[Git][ghc/ghc][wip/exception-context] 554 commits: ghc-internal: Initial commit of the skeleton
Ben Gamari (@bgamari)
gitlab at gitlab.haskell.org
Wed Jan 31 19:49:33 UTC 2024
Ben Gamari pushed to branch wip/exception-context at Glasgow Haskell Compiler / GHC
Commits:
45ca51e5 by Ben Gamari at 2023-08-17T15:16:41-04:00
ghc-internal: Initial commit of the skeleton
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88bbf8c5 by Ben Gamari at 2023-08-17T15:16:41-04:00
ghc-experimental: Initial commit
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664468c0 by Ben Gamari at 2023-08-17T15:17:17-04:00
testsuite/cloneStackLib: Fix incorrect format specifiers
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eaa835bb by Ben Gamari at 2023-08-17T15:17:17-04:00
rts/ipe: Fix const-correctness of IpeBufferListNode
Both info tables and the string table should be `const`
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78f6f6fd by Ben Gamari at 2023-08-17T15:17:17-04:00
nonmoving: Drop dead debugging utilities
These are largely superceded by support in the ghc-utils GDB extension.
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3f6e8f42 by Ben Gamari at 2023-08-17T15:17:17-04:00
nonmoving: Refactor management of mark thread
Here we refactor that treatment of the worker thread used by the
nonmoving GC for concurrent marking, avoiding creating a new thread with
every major GC cycle. As well, the new scheme is considerably easier to
reason about, consolidating all state in one place, accessed via a small
set of accessors with clear semantics.
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88c32b7d by Ben Gamari at 2023-08-17T15:17:17-04:00
testsuite: Skip T23221 in nonmoving GC ways
This test is very dependent upon GC behavior.
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381cfaed by Ben Gamari at 2023-08-17T15:17:17-04:00
ghc-heap: Don't expose stack dirty and marking fields
These are GC metadata and are not relevant to the end-user. Moreover,
they are unstable which makes ghc-heap harder to test than necessary.
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16828ca5 by Luite Stegeman at 2023-08-21T18:42:53-04:00
bump process submodule to include macOS fix and JS support
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b4d5f6ed by Matthew Pickering at 2023-08-21T18:43:29-04:00
ci: Add support for triggering test-primops pipelines
This commit adds 4 ways to trigger testing with test-primops.
1. Applying the ~test-primops label to a validate pipeline.
2. A manually triggered job on a validate pipeline
3. A nightly pipeline job
4. A release pipeline job
Fixes #23695
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32c50daa by Matthew Pickering at 2023-08-21T18:43:29-04:00
Add test-primops label support
The test-primops CI job requires some additional builds in the
validation pipeline, so we make sure to enable these jobs when
test-primops label is set.
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73ca8340 by Matthew Pickering at 2023-08-21T18:43:29-04:00
Revert "Aarch ncg: Optimize immediate use for address calculations"
This reverts commit 8f3b3b78a8cce3bd463ed175ee933c2aabffc631.
See #23793
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5546ad9e by Matthew Pickering at 2023-08-21T18:43:29-04:00
Revert "AArch NCG: Pure refactor"
This reverts commit 00fb6e6b06598752414a0b9a92840fb6ca61338d.
See #23793
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02dfcdc2 by Matthew Pickering at 2023-08-21T18:43:29-04:00
Revert "Aarch64 NCG: Use encoded immediates for literals."
This reverts commit 40425c5021a9d8eb5e1c1046e2d5fa0a2918f96c.
See #23793
-------------------------
Metric Increase:
T4801
T5321FD
T5321Fun
-------------------------
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7be4a272 by Matthew Pickering at 2023-08-22T08:55:20+01:00
ci: Remove manually triggered test-ci job
This doesn't work on slimmed down pipelines as the needed jobs don't
exist.
If you want to run test-primops then apply the label.
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76a4d11b by Jaro Reinders at 2023-08-22T08:08:13-04:00
Remove Ptr example from roles docs
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069729d3 by Bryan Richter at 2023-08-22T08:08:49-04:00
Guard against duplicate pipelines in forks
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f861423b by Rune K. Svendsen at 2023-08-22T08:09:35-04:00
dump-decls: fix "Ambiguous module name"-error
Fixes errors of the following kind, which happen when dump-decls is run on a package that contains a module name that clashes with that of another package.
```
dump-decls: <no location info>: error:
Ambiguous module name `System.Console.ANSI.Types':
it was found in multiple packages:
ansi-terminal-0.11.4 ansi-terminal-types-0.11.5
```
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edd8bc43 by Krzysztof Gogolewski at 2023-08-22T12:31:20-04:00
Fix MultiWayIf linearity checking (#23814)
Co-authored-by: Thomas BAGREL <thomas.bagrel at tweag.io>
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4ba088d1 by konsumlamm at 2023-08-22T12:32:02-04:00
Update `Control.Concurrent.*` documentation
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015886ec by ARATA Mizuki at 2023-08-22T15:13:13-04:00
Support 128-bit SIMD on AArch64 via LLVM backend
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52a6d868 by Krzysztof Gogolewski at 2023-08-22T15:13:51-04:00
Testsuite cleanup
- Remove misleading help text in perf_notes, ways are not metrics
- Remove no_print_summary - this was used for Phabricator
- In linters tests, run 'git ls-files' just once.
Previously, it was called on each has_ls_files()
- Add ghc-prim.cabal to gitignore, noticed in #23726
- Remove ghc-prim.cabal, it was accidentally committed in 524c60c8cd
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ab40aa52 by Alan Zimmerman at 2023-08-22T15:14:28-04:00
EPA: Use Introduce [DeclTag] in AnnSortKey
The AnnSortKey is used to keep track of the order of declarations for
printing when the container has split them apart.
This applies to HsValBinds and ClassDecl, ClsInstDecl.
When making modifications to the list of declarations, the new order
must be captured for when it must be printed. For each list of
declarations (binds and sigs for a HsValBind) we can just store the
list in order.
To recreate the list when printing, we must merge them, and this is
what the AnnSortKey records. It used to be indexed by SrcSpan, we now
simply index by a marker as to which list to take the next item from.
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e7db36c1 by sheaf at 2023-08-23T08:41:28-04:00
Don't attempt pattern synonym error recovery
This commit gets rid of the pattern synonym error recovery mechanism
(recoverPSB). The rationale is that the fake pattern synonym binding
that the recovery mechanism introduced could lead to undesirable
knock-on errors, and it isn't really feasible to conjure up a
satisfactory binding as pattern synonyms can be used both in expressions
and patterns.
See Note [Pattern synonym error recovery] in GHC.Tc.TyCl.PatSyn.
It isn't such a big deal to eagerly fail compilation on a pattern synonym
that doesn't typecheck anyway.
Fixes #23467
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6ccd9d65 by Ben Gamari at 2023-08-23T08:42:05-04:00
base: Don't use Data.ByteString.Internals.memcpy
This function is now deprecated from `bytestring`. Use
`Foreign.Marshal.Utils.copyBytes` instead.
Fixes #23880.
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0bfa0031 by Matthew Pickering at 2023-08-23T13:43:48-04:00
hadrian: Uniformly pass buildOptions to all builders in runBuilder
In Builder.hs, runBuilderWith mostly ignores the buildOptions in BuildInfo.
This leads to hard to diagnose bugs as any build options you pass with
runBuilderWithCmdOptions are ignored for many builders.
Solution: Uniformly pass buildOptions to the invocation of cmd.
Fixes #23845
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9cac8f11 by Matthew Pickering at 2023-08-23T13:43:48-04:00
Abstract windows toolchain setup
This commit splits up the windows toolchain setup logic into two
functions.
* FP_INSTALL_WINDOWS_TOOLCHAIN - deals with downloading the toolchain if
it isn't already downloaded
* FP_SETUP_WINDOWS_TOOLCHAIN - sets the environment variables to point
to the correct place
FP_SETUP_WINDOWS_TOOLCHAIN is abstracted from the location of the mingw
toolchain and also the eventual location where we will install the
toolchain in the installed bindist.
This is the first step towards #23608
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6c043187 by Matthew Pickering at 2023-08-23T13:43:48-04:00
Generate build.mk for bindists
The config.mk.in script was relying on some variables which were
supposed to be set by build.mk but therefore never were when used to
install a bindist.
Specifically
* BUILD_PROF_LIBS to determine whether we had profiled libraries or not
* DYNAMIC_GHC_PROGRAMS to determine whether we had shared libraries or
not
Not only were these never set but also not really accurate because you
could have shared libaries but still statically linked ghc executable.
In addition variables like GhcLibWays were just never used, so those
have been deleted from the script.
Now instead we generate a build.mk file which just directly specifies
which RtsWays we have supplied in the bindist and whether we have
DYNAMIC_GHC_PROGRAMS.
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fe23629b by Matthew Pickering at 2023-08-23T13:43:48-04:00
hadrian: Add reloc-binary-dist-* targets
This adds a command line option to build a "relocatable" bindist.
The bindist is created by first creating a normal bindist and then
installing it using the `RelocatableBuild=YES` option. This creates a
bindist without any wrapper scripts pointing to the libdir.
The motivation for this feature is that we want to ship relocatable
bindists on windows and this method is more uniform than the ad-hoc
method which lead to bugs such as #23608 and #23476
The relocatable bindist can be built with the "reloc-binary-dist" target
and supports the same suffixes as the normal "binary-dist" command to
specify the compression style.
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41cbaf44 by Matthew Pickering at 2023-08-23T13:43:48-04:00
packaging: Fix installation scripts on windows/RelocatableBuild case
This includes quite a lot of small fixes which fix the installation
makefile to work on windows properly. This also required fixing the
RelocatableBuild variable which seemed to have been broken for a long
while.
Sam helped me a lot writing this patch by providing a windows machine to
test the changes. Without him it would have taken ages to tweak
everything.
Co-authored-by: sheaf <sam.derbyshire at gmail.com>
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03474456 by Matthew Pickering at 2023-08-23T13:43:48-04:00
ci: Build relocatable bindist on windows
We now build the relocatable bindist target on windows, which means we
test and distribute the new method of creating a relocatable bindist.
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d0b48113 by Matthew Pickering at 2023-08-23T13:43:48-04:00
hadrian: Add error when trying to build binary-dist target on windows
The binary dist produced by `binary-dist` target doesn't work on windows
because of the wrapper script the makefile installs. In order to not
surprise any packagers we just give an error if someone tries to build
the old binary-dist target rather than the reloc-binary-dist target.
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7cbf9361 by Matthew Pickering at 2023-08-23T13:43:48-04:00
hadrian: Remove query' logic to use tooldir
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03fad42e by Matthew Pickering at 2023-08-23T13:43:48-04:00
configure: Set WindresCmd directly and removed unused variables
For some reason there was an indirection via the Windres variable before
setting WindresCmd. That indirection led to #23855.
I then also noticed that these other variables were just not used
anywhere when trying to work out what the correct condition was for this
bit of the configure script.
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c82770f5 by sheaf at 2023-08-23T13:43:48-04:00
Apply shellcheck suggestion to SUBST_TOOLDIR
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896e35e5 by sheaf at 2023-08-23T13:44:34-04:00
Compute hints from TcSolverReportMsg
This commit changes how hints are handled in conjunction with
constraint solver report messages.
Instead of storing `[GhcHint]` in the TcRnSolverReport error constructor,
we compute the hints depending on the underlying TcSolverReportMsg.
This disentangles the logic and makes it easier to add new hints for
certain errors.
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a05cdaf0 by Alexander Esgen at 2023-08-23T13:45:16-04:00
users-guide: remove note about fatal Haddock parse failures
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4908d798 by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Introduce Data.Enum
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f59707c7 by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Add export list to GHC.Num.Integer
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b1054053 by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Add export list to GHC.Num
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6baa481d by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Add export list to GHC.Num.Natural
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2ac15233 by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Add export list to GHC.Float
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f3c489de by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Add export list to GHC.Real
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94f59eaa by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Eliminate module reexport in GHC.Exception
The metric increase here isn't strictly due to this commit but it's a
rather small, incidental change.
Metric Increase:
T8095
T13386
Metric Decrease:
T8095
T13386
T18304
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be1fc7df by Ben Gamari at 2023-08-23T17:36:41-04:00
base: Add disclaimers in internal modules
To warn users that these modules are internal and their interfaces may
change with little warning.
As proposed in Core Libraries Committee #146 [CLC146].
[CLC146]: https://github.com/haskell/core-libraries-committee/issues/146
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0326f3f4 by sheaf at 2023-08-23T17:37:29-04:00
Bump Cabal submodule
We need to bump the Cabal submodule to include commit ec75950
which fixes an issue with a dodgy import Rep(..) which relied
on GHC bug #23570
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0504cd08 by Facundo Domínguez at 2023-08-23T17:38:11-04:00
Fix typos in the documentation of Data.OldList.permutations
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1420b8cb by Antoine Leblanc at 2023-08-24T16:18:17-04:00
Be more eager in TyCon boot validity checking
This commit performs boot-file consistency checking for TyCons into
checkValidTyCl. This ensures that we eagerly catch any mismatches,
which prevents the compiler from seeing these inconsistencies and
panicking as a result.
See Note [TyCon boot consistency checking] in GHC.Tc.TyCl.
Fixes #16127
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d99c816f by Finley McIlwaine at 2023-08-24T16:18:55-04:00
Refactor estimation of stack info table provenance
This commit greatly refactors the way we compute estimated provenance for stack
info tables. Previously, this process was done using an entirely separate traversal
of the whole Cmm code stream to build the map from info tables to source locations.
The separate traversal is now fused with the Cmm code generation pipeline in
GHC.Driver.Main.
This results in very significant code generation speed ups when -finfo-table-map is
enabled. In testing, this patch reduces code generation times by almost 30% with
-finfo-table-map and -O0, and 60% with -finfo-table-map and -O1 or -O2 .
Fixes #23103
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d3e0124c by Finley McIlwaine at 2023-08-24T16:18:55-04:00
Add a test checking overhead of -finfo-table-map
We want to make sure we don't end up with poor codegen performance resulting from
-finfo-table-map again as in #23103. This test adds a performance test tracking
total allocations while compiling ExactPrint with -finfo-table-map.
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fcfc1777 by Ben Gamari at 2023-08-25T10:58:16-04:00
llvmGen: Add export list to GHC.Llvm.MetaData
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5880fff6 by Ben Gamari at 2023-08-25T10:58:16-04:00
llvmGen: Allow LlvmLits in MetaExprs
This omission appears to be an oversight.
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86ce92a2 by Ben Gamari at 2023-08-25T10:58:16-04:00
compiler: Move platform feature predicates to GHC.Driver.DynFlags
These are useful in `GHC.Driver.Config.*`.
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a6a38742 by Ben Gamari at 2023-08-25T10:58:16-04:00
llvmGen: Introduce infrastructure for module flag metadata
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e9af2cf3 by Ben Gamari at 2023-08-25T10:58:16-04:00
llvmGen: Don't pass stack alignment via command line
As of https://reviews.llvm.org/D103048 LLVM no longer supports the
`-stack-alignment=...` flag. Instead this information is passed via a
module flag metadata node.
This requires dropping support for LLVM 11 and 12.
Fixes #23870
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a936f244 by Alan Zimmerman at 2023-08-25T10:58:56-04:00
EPA: Keep track of "in" token for WarningTxt category
A warning can now be written with a category, e.g.
{-# WARNInG in "x-c" e "d" #-}
Keep track of the location of the 'in' keyword and string, as well as
the original SourceText of the label, in case it uses character escapes.
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3df8a653 by Matthew Pickering at 2023-08-25T17:42:18-04:00
Remove redundant import in InfoTableProv
The copyBytes function is provided by the import of Foreign.
Fixes #23889
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d6f807ec by Ben Gamari at 2023-08-25T17:42:54-04:00
gitlab/issue-template: Mention report-a-bug
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50b9f75d by Artin Ghasivand at 2023-08-26T20:02:50+03:30
Added StandaloneKindSignature examples to replace CUSKs ones
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2f6309a4 by Vladislav Zavialov at 2023-08-27T03:47:37-04:00
Remove outdated CPP in compiler/* and template-haskell/*
The boot compiler was bumped to 9.4 in cebb5819b43.
There is no point supporting older GHC versions with CPP.
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5248fdf7 by Zubin Duggal at 2023-08-28T15:01:09+05:30
testsuite: Add regression test for #23861
Simon says this was fixed by
commit 8d68685468d0b6e922332a3ee8c7541efbe46137
Author: sheaf <sam.derbyshire at gmail.com>
Date: Fri Aug 4 15:28:45 2023 +0200
Remove zonk in tcVTA
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b6903f4d by Zubin Duggal at 2023-08-28T12:33:58-04:00
testsuite: Add regression test for #23864
Simon says this was fixed by
commit 59202c800f2c97c16906120ab2561f6e1556e4af
Author: Sebastian Graf <sebastian.graf at kit.edu>
Date: Fri Mar 31 17:35:22 2023 +0200
CorePrep: Eliminate EmptyCase and unsafeEqualityProof in CoreToStg instead
We eliminate EmptyCase by way of `coreToStg (Case e _ _ []) = coreToStg e` now.
The main reason is that it plays far better in conjunction with eta expansion
(as we aim to do for arguments in CorePrep, #23083), because we can discard
any arguments, `(case e of {}) eta == case e of {}`, whereas in `(e |> co) eta`
it's impossible to discard the argument.
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9eecdf33 by sheaf at 2023-08-28T18:54:06+00:00
Remove ScopedTypeVariables => TypeAbstractions
This commit implements [amendment 604](https://github.com/ghc-proposals/ghc-proposals/pull/604/)
to [GHC proposal 448](https://github.com/ghc-proposals/ghc-proposals/pull/448)
by removing the implication of language extensions
ScopedTypeVariables => TypeAbstractions
To limit breakage, we now allow type arguments in constructor patterns
when both ScopedTypeVariables and TypeApplications are enabled, but
we emit a warning notifying the user that this is deprecated behaviour
that will go away starting in GHC 9.12.
Fixes #23776
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fadd5b4d by sheaf at 2023-08-28T18:54:06+00:00
.stderr: ScopedTypeVariables =/> TypeAbstractions
This commit accepts testsuite changes for the changes in the previous
commit, which mean that TypeAbstractions is no longer implied by
ScopedTypeVariables.
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4f5fb500 by Greg Steuck at 2023-08-29T07:55:13-04:00
Repair `codes` test on OpenBSD by explicitly requesting extended RE
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6bbde581 by Vasily Sterekhov at 2023-08-29T12:06:58-04:00
Add test for #23540
`T23540.hs` makes use of `explainEv` from `HieQueries.hs`, so
`explainEv` has been moved to `TestUtils.hs`.
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257bb3bd by Vasily Sterekhov at 2023-08-29T12:06:58-04:00
Add test for #23120
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4f192947 by Vasily Sterekhov at 2023-08-29T12:06:58-04:00
Make some evidence uses reachable by toHie
Resolves #23540, #23120
This adds spans to certain expressions in the typechecker and renamer,
and lets 'toHie' make use of those spans. Therefore the relevant
evidence uses for the following syntax will now show up under the
expected nodes in 'HieAst's:
- Overloaded literals ('IsString', 'Num', 'Fractional')
- Natural patterns and N+k patterns ('Eq', 'Ord', and instances from the
overloaded literals being matched on)
- Arithmetic sequences ('Enum')
- Monadic bind statements ('Monad')
- Monadic body statements ('Monad', 'Alternative')
- ApplicativeDo ('Applicative', 'Functor')
- Overloaded lists ('IsList')
Also see Note [Source locations for implicit function calls]
In the process of handling overloaded lists I added an extra 'SrcSpan'
field to 'VAExpansion' - this allows us to more accurately reconstruct
the locations from the renamer in 'rebuildHsApps'. This also happens to
fix #23120.
See the additions to Note [Looking through HsExpanded]
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fe9fcf9d by Sylvain Henry at 2023-08-29T12:07:50-04:00
ghc-heap: rename C file (fix #23898)
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b60d6576 by Krzysztof Gogolewski at 2023-08-29T12:08:29-04:00
Misc cleanup
- Builtin.PrimOps: ReturnsAlg was used only for unboxed tuples.
Rename to ReturnsTuple.
- Builtin.Utils: use SDoc for a panic message.
The comment about <<details unavailable>> was obsoleted by e8d356773b56.
- TagCheck: fix wrong logic. It was zipping a list 'args' with its
version 'args_cmm' after filtering.
- Core.Type: remove an outdated 1999 comment about unlifted polymorphic types
- hadrian: remove leftover debugging print
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3054fd6d by Krzysztof Gogolewski at 2023-08-29T12:09:08-04:00
Add a regression test for #23903
The bug has been fixed by commit bad2f8b8aa8424.
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21584b12 by Ben Gamari at 2023-08-29T19:52:02-04:00
README: Refer to ghc-hq repository for contributor and governance information
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e542d590 by sheaf at 2023-08-29T19:52:40-04:00
Export setInertSet from GHC.Tc.Solver.Monad
We used to export getTcSInerts and setTcSInerts from GHC.Tc.Solver.Monad.
These got renamed to getInertSet/setInertSet in e1590ddc. That commit also removed
the export of setInertSet, but that function is useful for the GHC API.
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694ec5b1 by sheaf at 2023-08-30T10:18:32-04:00
Don't bundle children for non-parent Avails
We used to bundle all children of the parent Avail with things that
aren't the parent, e.g. with
class C a where
type T a
meth :: ..
we would bundle the whole Avail (C, T, meth) with all of C, T and meth,
instead of only with C.
Avoiding this fixes #23570
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d926380d by Krzysztof Gogolewski at 2023-08-30T10:19:08-04:00
Fix typos
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d07080d2 by Josh Meredith at 2023-08-30T19:42:32-04:00
JS: Implement missing C functions `rename`, `realpath`, and `getcwd` (#23806)
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e2940272 by David Binder at 2023-08-30T19:43:08-04:00
Bump submodules of hpc and hpc-bin to version 0.7.0.0
hpc 0.7.0.0 dropped SafeHaskell safety guarantees in order to simplify
compatibility with newer versions of the directory package which
dropped all SafeHaskell guarantees.
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5d56d05c by David Binder at 2023-08-30T19:43:08-04:00
Bump hpc bound in ghc.cabal.in
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99fff496 by Dominik Schrempf at 2023-08-31T00:04:46-04:00
ghc classes documentation: rm redundant comment
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fe021bab by Dominik Schrempf at 2023-08-31T00:04:46-04:00
prelude documentation: various nits
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48c84547 by Dominik Schrempf at 2023-08-31T00:04:46-04:00
integer documentation: minor corrections
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20cd12f4 by Dominik Schrempf at 2023-08-31T00:04:46-04:00
real documentation: nits
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dd39bdc0 by sheaf at 2023-08-31T00:05:27-04:00
Add a test for #21765
This issue (of reporting a constraint as being redundant even though
removing it causes typechecking to fail) was fixed in aed1974e.
This commit simply adds a regression test.
Fixes #21765
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f1ec3628 by Andrew Lelechenko at 2023-08-31T23:53:30-04:00
Export foldl' from Prelude and bump submodules
See https://github.com/haskell/core-libraries-committee/issues/167 for discussion
Metric Decrease:
T8095
T13386
Metric Increase:
T13386
T8095
T8095 ghc/alloc decreased on x86_64, but increased on aarch64.
T13386 ghc/alloc decreased on x86_64-windows, but increased on other platforms.
Neither has anything to do with `foldl'`, so I conclude that both are flaky.
- - - - -
3181b97d by Gergő Érdi at 2023-08-31T23:54:06-04:00
Allow cross-tyvar defaulting proposals from plugins
Fixes #23832.
- - - - -
e4af506e by Sebastian Graf at 2023-09-01T14:29:12-04:00
Clarify Note [GlobalId/LocalId] after CorePrep (#23797)
Fixes #23797.
- - - - -
ac29787c by Sylvain Henry at 2023-09-01T14:30:02-04:00
Fix warning with UNPACK on sum type (#23921)
- - - - -
9765ac7b by Zubin Duggal at 2023-09-05T00:37:45-04:00
hadrian: track python dependencies in doc rules
- - - - -
1578215f by sheaf at 2023-09-05T00:38:26-04:00
Bump Haddock to fix #23616
This commit updates the Haddock submodule to include
the fix to #23616.
Fixes #23616
- - - - -
5a2fe35a by David Binder at 2023-09-05T00:39:07-04:00
Fix example in GHC user guide in SafeHaskell section
The example given in the SafeHaskell section uses an implementation of
Monad which no longer works. This MR removes the non-canonical return
instance and adds the necessary instances of Functor and Applicative.
- - - - -
291d81ae by Matthew Pickering at 2023-09-05T14:03:10-04:00
driver: Check transitive closure of haskell package dependencies when deciding whether to relink
We were previously just checking whether direct package dependencies had
been modified. This caused issues when compiling without optimisations
as we wouldn't relink the direct dependency if one of its dependenices
changed.
Fixes #23724
- - - - -
35da0775 by Krzysztof Gogolewski at 2023-09-05T14:03:47-04:00
Re-export GHC.Utils.Panic.Plain from GHC.Utils.Panic
Fixes #23930
- - - - -
3930d793 by Jaro Reinders at 2023-09-06T18:42:55-04:00
Make STG rewriter produce updatable closures
- - - - -
0104221a by Krzysztof Gogolewski at 2023-09-06T18:43:32-04:00
configure: update message to use hadrian (#22616)
- - - - -
b34f8586 by Alan Zimmerman at 2023-09-07T10:58:38-04:00
EPA: Incorrect locations for UserTyVar with '@'
In T13343.hs, the location for the @ is not within the span of the
surrounding UserTyVar.
type Bad @v = (forall (v1 :: RuntimeRep) (a1 :: TYPE v). a1) :: TYPE v
Widen it so it is captured.
Closes #23887
- - - - -
8046f020 by Finley McIlwaine at 2023-09-07T10:59:15-04:00
Bump haddock submodule to fix #23920
Removes the fake export of `FUN` from Prelude. Fixes #23920.
Bumps haddock submodule.
- - - - -
e0aa8c6e by Krzysztof Gogolewski at 2023-09-07T11:00:03-04:00
Fix wrong role in mkSelCo_maybe
In the Lint failure in #23938, we start with a coercion Refl :: T a ~R T a,
and call mkSelCo (SelTyCon 1 nominal) Refl.
The function incorrectly returned Refl :: a ~R a. The returned role
should be nominal, according to the SelCo rule:
co : (T s1..sn) ~r0 (T t1..tn)
r = tyConRole tc r0 i
----------------------------------
SelCo (SelTyCon i r) : si ~r ti
In this test case, r is nominal while r0 is representational.
- - - - -
1d92f2df by Gergő Érdi at 2023-09-08T04:04:30-04:00
If we have multiple defaulting plugins, then we should zonk in between them
after any defaulting has taken place, to avoid a defaulting plugin seeing
a metavariable that has already been filled.
Fixes #23821.
- - - - -
eaee4d29 by Gergő Érdi at 2023-09-08T04:04:30-04:00
Improvements to the documentation of defaulting plugins
Based on @simonpj's draft and comments in !11117
- - - - -
ede3df27 by Alan Zimmerman at 2023-09-08T04:05:06-04:00
EPA: Incorrect span for LWarnDec GhcPs
The code (from T23465.hs)
{-# WARNInG in "x-c" e "d" #-}
e = e
gives an incorrect span for the LWarnDecl GhcPs
Closes #23892
It also fixes the Test23465/Test23464 mixup
- - - - -
a0ccef7a by Krzysztof Gogolewski at 2023-09-08T04:05:42-04:00
Valid hole fits: don't suggest unsafeCoerce (#17940)
- - - - -
88b942c4 by Oleg Grenrus at 2023-09-08T19:58:42-04:00
Add warning for badly staged types.
Resolves #23829.
The stage violation results in out-of-bound names in splices.
Technically this is an error, but someone might rely on this!?
Internal changes:
- we now track stages for TyVars.
- thLevel (RunSplice _) = 0, instead of panic, as reifyInstances does
in fact rename its argument type, and it can contain variables.
- - - - -
9861f787 by Ben Gamari at 2023-09-08T19:59:19-04:00
rts: Fix invalid symbol type
I suspect this code is dead since we haven't observed this failing
despite the obviously incorrect macro name.
- - - - -
03ed6a9a by Ben Gamari at 2023-09-08T19:59:19-04:00
testsuite: Add simple test exercising C11 atomics in GHCi
See #22012.
- - - - -
1aa5733a by Ben Gamari at 2023-09-08T19:59:19-04:00
rts/RtsSymbols: Add AArch64 outline atomic operations
Fixes #22012 by adding the symbols described in
https://github.com/llvm/llvm-project/blob/main/llvm/docs/Atomics.rst#libcalls-atomic.
Ultimately this would be better addressed by #22011, but this is a first
step in the right direction and fixes the immediate symptom.
Note that we dropped the `__arch64_cas16` operations as these provided
by all platforms's compilers. Also, we don't link directly against the
libgcc/compiler-rt definitions but rather provide our own wrappers to
work around broken toolchains (e.g. https://bugs.gentoo.org/868018).
Generated via https://gitlab.haskell.org/ghc/ghc/-/snippets/5733.
- - - - -
8f7d3041 by Matthew Pickering at 2023-09-08T19:59:55-04:00
ci: Build debian12 and fedora38 bindists
This adds builds for the latest releases for fedora and debian
We build these bindists in nightly and release pipelines.
- - - - -
a1f0d55c by Felix Leitz at 2023-09-08T20:00:37-04:00
Fix documentation around extension implication for MultiParamTypeClasses/ConstrainedClassMethods.
- - - - -
98166389 by Teo Camarasu at 2023-09-12T04:30:54-04:00
docs: move -xn flag beside --nonmoving-gc
It makes sense to have these beside each other as they are aliases.
- - - - -
f367835c by Teo Camarasu at 2023-09-12T04:30:55-04:00
nonmoving: introduce a family of dense allocators
Supplement the existing power 2 sized nonmoving allocators with a family
of dense allocators up to a configurable threshold.
This should reduce waste from rounding up block sizes while keeping the
amount of allocator sizes manageable.
This patch:
- Adds a new configuration option `--nonmoving-dense-allocator-count`
to control the amount of these new dense allocators.
- Adds some constants to `NonmovingAllocator` in order to keep
marking fast with the new allocators.
Resolves #23340
- - - - -
2b07bf2e by Teo Camarasu at 2023-09-12T04:30:55-04:00
Add changelog entry for #23340
- - - - -
f96fe681 by sheaf at 2023-09-12T04:31:44-04:00
Use printGhciException in run{Stmt, Decls}
When evaluating statements in GHCi, we need to use printGhciException
instead of the printException function that GHC provides in order to
get the appropriate error messages that are customised for ghci use.
- - - - -
d09b932b by psilospore at 2023-09-12T04:31:44-04:00
T23686: Suggest how to enable Language Extension when in ghci
Fixes #23686
- - - - -
da30f0be by Matthew Craven at 2023-09-12T04:32:24-04:00
Unarise: Split Rubbish literals in function args
Fixes #23914. Also adds a check to STG lint that
these args are properly unary or nullary after unarisation
- - - - -
261b6747 by Matthew Pickering at 2023-09-12T04:33:04-04:00
darwin: Bump MAXOSX_DEPLOYMENT_TARGET to 10.13
This bumps the minumum supported version to 10.13 (High Sierra) which is
6 years old at this point.
Fixes #22938
- - - - -
f418f919 by Mario Blažević at 2023-09-12T04:33:45-04:00
Fix TH pretty-printing of nested GADTs, issue #23937
This commit fixes `Language.Haskell.TH.Ppr.pprint` so that it correctly
pretty-prints GADTs declarations contained within data family instances.
Fixes #23937
- - - - -
d7a64753 by John Ericson at 2023-09-12T04:34:20-04:00
Put hadrian non-bootstrap plans through `jq`
This makes it possible to review changes with conventional diffing
tools.
This is picking up where ad8cfed4195b1bbfc15b841f010e75e71f63157d left
off.
- - - - -
ff0a709a by Sylvain Henry at 2023-09-12T08:46:28-04:00
JS: fix some tests
- Tests using Setup programs need to pass --with-hc-pkg
- Several other fixes
See https://gitlab.haskell.org/ghc/ghc/-/wikis/javascript-backend/bug_triage
for the current status
- - - - -
fc86f0e7 by Krzysztof Gogolewski at 2023-09-12T08:47:04-04:00
Fix in-scope set assertion failure (#23918)
Patch by Simon
- - - - -
21a906c2 by Matthew Pickering at 2023-09-12T17:21:04+02:00
Add -Winconsistent-flags warning
The warning fires when inconsistent command line flags are passed.
For example:
* -dynamic-too and -dynamic
* -dynamic-too on windows
* -O and --interactive
* etc
This is on by default and allows users to control whether the warning is
displayed and whether it should be an error or not.
Fixes #22572
- - - - -
dfc4f426 by Krzysztof Gogolewski at 2023-09-12T20:31:35-04:00
Avoid serializing BCOs with the internal interpreter
Refs #23919
- - - - -
9217950b by Finley McIlwaine at 2023-09-13T08:06:03-04:00
Fix numa auto configure
- - - - -
98e7c1cf by Simon Peyton Jones at 2023-09-13T08:06:40-04:00
Add -fno-cse to T15426 and T18964
This -fno-cse change is to avoid these performance tests depending on
flukey CSE stuff. Each contains several independent tests, and we don't
want them to interact.
See #23925.
By killing CSE we expect a 400% increase in T15426, and 100% in T18964.
Metric Increase:
T15426
T18964
- - - - -
236a134e by Simon Peyton Jones at 2023-09-13T08:06:40-04:00
Tiny refactor
canEtaReduceToArity was only called internally, and always with
two arguments equal to zero. This patch just specialises the
function, and renames it to cantEtaReduceFun.
No change in behaviour.
- - - - -
56b403c9 by Ben Gamari at 2023-09-13T19:21:36-04:00
spec-constr: Lift argument limit for SPEC-marked functions
When the user adds a SPEC argument to a function, they are informing us
that they expect the function to be specialised. However, previously
this instruction could be preempted by the specialised-argument limit
(sc_max_args). Fix this.
This fixes #14003.
- - - - -
6840012e by Simon Peyton Jones at 2023-09-13T19:22:13-04:00
Fix eta reduction
Issue #23922 showed that GHC was bogusly eta-reducing a join point.
We should never eta-reduce (\x -> j x) to j, if j is a join point.
It is extremly difficult to trigger this bug. It took me 45 mins of
trying to make a small tests case, here immortalised as T23922a.
- - - - -
e5c00092 by Andreas Klebinger at 2023-09-14T08:57:43-04:00
Profiling: Properly escape characters when using `-pj`.
There are some ways in which unusual characters like quotes or others
can make it into cost centre names. So properly escape these.
Fixes #23924
- - - - -
ec490578 by Ellie Hermaszewska at 2023-09-14T08:58:24-04:00
Use clearer example variable names for bool eliminator
- - - - -
5126a2fe by Sylvain Henry at 2023-09-15T11:18:02-04:00
Add missing int64/word64-to-double/float rules (#23907)
CLC proposal: https://github.com/haskell/core-libraries-committee/issues/203
- - - - -
566ef411 by Mario Blažević at 2023-09-15T11:18:43-04:00
Fix and test TH pretty-printing of type operator role declarations
This commit fixes and tests `Language.Haskell.TH.Ppr.pprint` so that it
correctly pretty-prints `type role` declarations for operator names.
Fixes #23954
- - - - -
8e05c54a by Simon Peyton Jones at 2023-09-16T01:42:33-04:00
Use correct FunTyFlag in adjustJoinPointType
As the Lint error in #23952 showed, the function adjustJoinPointType
was failing to adjust the FunTyFlag when adjusting the type.
I don't think this caused the seg-fault reported in the ticket,
but it is definitely. This patch fixes it.
It is tricky to come up a small test case; Krzysztof came up with
this one, but it only triggers a failure in GHC 9.6.
- - - - -
778c84b6 by Pierre Le Marre at 2023-09-16T01:43:15-04:00
Update to Unicode 15.1.0
See: https://www.unicode.org/versions/Unicode15.1.0/
- - - - -
f9d79a6c by Alan Zimmerman at 2023-09-18T00:00:14-04:00
EPA: track unicode version for unrestrictedFunTyCon
Closes #23885
Updates haddock submodule
- - - - -
9374f116 by Andrew Lelechenko at 2023-09-18T00:00:54-04:00
Bump parsec submodule to allow text-2.1 and bytestring-0.12
- - - - -
7ca0240e by Ben Gamari at 2023-09-18T15:16:48-04:00
base: Advertise linear time of readFloat
As noted in #23538, `readFloat` has runtime that scales nonlinearly in
the size of its input. Consequently, its use on untrusted input can
be exploited as a denial-of-service vector. Point this out and suggest
use of `read` instead.
See #23538.
- - - - -
f3f58f13 by Simon Peyton Jones at 2023-09-18T15:17:24-04:00
Remove dead code GHC.CoreToStg.Prep.canFloat
This function never fires, so we can delete it: #23965.
- - - - -
ccab5b15 by Ben Gamari at 2023-09-18T15:18:02-04:00
base/changelog: Move fix for #23907 to 9.8.1 section
Since the fix was backported to 9.8.1
- - - - -
51b57d65 by Matthew Pickering at 2023-09-19T08:44:31-04:00
Add aarch64 alpine bindist
This is dynamically linked and makes creating statically linked
executables more straightforward.
Fixes #23482
- - - - -
02c87213 by Matthew Pickering at 2023-09-19T08:44:31-04:00
Add aarch64-deb11 bindist
This adds a debian 11 release job for aarch64.
Fixes #22005
- - - - -
8b61dfd6 by Alexis King at 2023-09-19T08:45:13-04:00
Don’t store the async exception masking state in CATCH frames
- - - - -
86d2971e by doyougnu at 2023-09-19T19:08:19-04:00
compiler,ghci: error codes link to HF error index
closes: #23259
- adds -fprint-error-index-links={auto|always|never} flag
- - - - -
5f826c18 by sheaf at 2023-09-19T19:09:03-04:00
Pass quantified tyvars in tcDefaultAssocDecl
This commit passes the correct set of quantified type variables written
by the user in associated type default declarations for validity
checking. This ensures that validity checking of associated type defaults
mirrors that of standalone type family instances.
Fixes #23768 (see testcase T23734 in subsequent commit)
- - - - -
aba18424 by sheaf at 2023-09-19T19:09:03-04:00
Avoid panic in mkGADTVars
This commit avoids panicking in mkGADTVars when we encounter
a type variable as in #23784 that is bound by a user-written
forall but not actually used.
Fixes #23784
- - - - -
a525a92a by sheaf at 2023-09-19T19:09:03-04:00
Adjust reporting of unused tyvars in data FamInsts
This commit adjusts the validity checking of data family
instances to improve the reporting of unused type variables.
See Note [Out of scope tvs in data family instances] in GHC.Tc.Validity.
The problem was that, in a situation such as
data family D :: Type
data instance forall (d :: Type). D = MkD
the RHS passed to 'checkFamPatBinders' would be the TyCon app
R:D d
which mentions the type variable 'd' quantified in the user-written
forall. Thus, when computing the set of unused type variables in
the RHS of the data family instance, we would find that 'd' is used,
and report a strange error message that would say that 'd' is not
bound on the LHS.
To fix this, we special-case the data-family instance case,
manually extracting all the type variables that appear in the
arguments of all the data constructores of the data family instance.
Fixes #23778
- - - - -
28dd52ee by sheaf at 2023-09-19T19:09:03-04:00
Unused tyvars in FamInst: only report user tyvars
This commit changes how we perform some validity checking for
coercion axioms to mirror how we handle default declarations for
associated type families. This allows us to keep track of whether
type variables in type and data family instances were user-written
or not, in order to only report the user-written ones in
"unused type variable" error messages.
Consider for example:
{-# LANGUAGE PolyKinds #-}
type family F
type instance forall a. F = ()
In this case, we get two quantified type variables,
(k :: Type) and (a :: k); the second being user-written, but the first
is introduced by the typechecker. We should only report 'a' as being
unused, as the user has no idea what 'k' is.
Fixes #23734
- - - - -
1eed645c by sheaf at 2023-09-19T19:09:03-04:00
Validity: refactor treatment of data families
This commit refactors the reporting of unused type variables in type
and data family instances to be more principled. This avoids ad-hoc
logic in the treatment of data family instances.
- - - - -
35bc506b by John Ericson at 2023-09-19T19:09:40-04:00
Remove `ghc-cabal`
It is dead code since the Make build system was removed.
I tried to go over every match of `git grep -i ghc-cabal` to find other
stray bits. Some of those might be workarounds that can be further
removed.
- - - - -
665ca116 by John Paul Adrian Glaubitz at 2023-09-19T19:10:39-04:00
Re-add unregisterised build support for sparc and sparc64
Closes #23959
- - - - -
142f8740 by Matthew Pickering at 2023-09-19T19:11:16-04:00
Bump ci-images to use updated version of Alex
Fixes #23977
- - - - -
fa977034 by John Ericson at 2023-09-21T12:55:25-04:00
Use Cabal 3.10 for Hadrian
We need the newer version for `CABAL_FLAG_*` env vars for #17191.
- - - - -
a5d22cab by John Ericson at 2023-09-21T12:55:25-04:00
hadrian: `need` any `configure` script we will call
When the script is changed, we should reconfigure.
- - - - -
db882b57 by John Ericson at 2023-09-21T12:55:25-04:00
hadrian: Make it easier to debug Cabal configure
Right now, output is squashed. This make per-package configure scripts
extremely hard to maintain, because we get vague "library is missing"
errors when the actually probably is usually completely unrelated except
for also involving the C/C++ toolchain.
(I can always pass `-VVV` to Hadrian locally, but these errors are
subtle and I often cannot reproduce them locally!)
`--disable-option-checking` was added back in
75c6e0684dda585c37b4ac254cd7a13537a59a91 but seems to be a bit overkill;
if other flags are passed that are not recognized behind the two from
Cabal mentioned in the former comment, we *do* want to know about it.
- - - - -
7ed65f5a by John Ericson at 2023-09-21T12:55:25-04:00
hadrian: Increase verbosity of certain cabal commands
This is a hack to get around the cabal function we're calling
*decreasing* the verbosity it passes to another function, which is the
stuff we often actually care about. Sigh.
Keeping this a separate commit so if this makes things too verbose it is
easy to revert.
- - - - -
a4fde569 by John Ericson at 2023-09-21T12:55:25-04:00
rts: Move most external symbols logic to the configure script
This is much more terse because we are programmatically handling the
leading underscore.
`findPtr` however is still handled in the Cabal file because we need a
newer Cabal to pass flags to the configure script automatically.
Co-Authored-By: Ben Gamari <ben at well-typed.com>
- - - - -
56cc85fb by Andrew Lelechenko at 2023-09-21T12:56:21-04:00
Bump Cabal submodule to allow text-2.1 and bytestring-0.12
- - - - -
0cd6148c by Matthew Pickering at 2023-09-21T12:56:21-04:00
hadrian: Generate Distribution/Fields/Lexer.x before creating a source-dist
- - - - -
b10ba6a3 by Andrew Lelechenko at 2023-09-21T12:56:21-04:00
Bump hadrian's index-state to upgrade alex at least to 3.2.7.3
- - - - -
11ecc37b by Luite Stegeman at 2023-09-21T12:57:03-04:00
JS: correct file size and times
Programs produced by the JavaScript backend were returning
incorrect file sizes and modification times, causing cabal
related tests to fail.
This fixes the problem and adds an additional test that verifies
basic file information operations.
fixes #23980
- - - - -
b35fd2cd by Ben Gamari at 2023-09-21T12:57:39-04:00
gitlab-ci: Drop libiserv from upload_ghc_libs
libiserv has been merged into the ghci package.
- - - - -
37ad04e8 by Ben Gamari at 2023-09-21T12:58:15-04:00
testsuite: Fix Windows line endings
- - - - -
5795b365 by Ben Gamari at 2023-09-21T12:58:15-04:00
testsuite: Use makefile_test
- - - - -
15118740 by Ben Gamari at 2023-09-21T12:58:55-04:00
system-cxx-std-lib: Add license and description
- - - - -
0208f1d5 by Ben Gamari at 2023-09-21T12:59:33-04:00
gitlab/issue-templates: Rename bug.md -> default.md
So that it is visible by default.
- - - - -
23cc3f21 by Andrew Lelechenko at 2023-09-21T20:18:11+01:00
Bump submodule text to 2.1
- - - - -
b8e4fe23 by Andrew Lelechenko at 2023-09-22T20:05:05-04:00
Bump submodule unix to 2.8.2.1
- - - - -
54b2016e by John Ericson at 2023-09-23T11:40:41-04:00
Move lib{numa,dw} defines to RTS configure
Clean up the m4 to handle the auto case always and be more consistent.
Also simplify the CPP --- we should always have both headers if we are
using libnuma.
"side effects" (AC_DEFINE, and AC_SUBST) are removed from the macros to
better separate searching from actions taken based on search results.
This might seem overkill now, but will make shuffling logic between
configure scripts easier later.
The macro comments are converted from `dnl` to `#` following the
recomendation in
https://www.gnu.org/software/autoconf/manual/autoconf-2.71/html_node/Macro-Definitions.html
- - - - -
d51b601b by John Ericson at 2023-09-23T11:40:50-04:00
Shuffle libzstd configuring between scripts
Like the prior commit for libdw and libnuma, `AC_DEFINE` to RTS
configure, `AC_SUBST` goes to the top-level configure script, and the
documentation of the m4 macro is improved.
- - - - -
d1425af0 by John Ericson at 2023-09-23T11:41:03-04:00
Move `FP_ARM_OUTLINE_ATOMICS` to RTS configure
It is just `AC_DEFINE` it belongs there instead.
- - - - -
18de37e4 by John Ericson at 2023-09-23T11:41:03-04:00
Move mmap in the runtime linker check to the RTS configure
`AC_DEFINE` should go there instead.
- - - - -
74132c2b by Andrew Lelechenko at 2023-09-25T21:56:54-04:00
Elaborate comment on GHC_NO_UNICODE
- - - - -
de142aa2 by Ben Gamari at 2023-09-26T15:25:03-04:00
gitlab-ci: Mark T22012 as broken on CentOS 7
Due to #23979.
- - - - -
6a896ce8 by Teo Camarasu at 2023-09-26T15:25:39-04:00
hadrian: better error for failing to find file's dependencies
Resolves #24004
- - - - -
d697a6c2 by Stefan Holdermans at 2023-09-26T20:58:37+00:00
Refactor uses of `partitionEithers . map`
This patch changes occurences of the idiom
`partitionEithers (map f xs)` by the simpler form
`partitionWith f xs` where `partitionWith` is the utility function
defined in `GHC.Utils.Misc`.
Resolves: #23953
- - - - -
8a2968b7 by Stefan Holdermans at 2023-09-26T20:58:37+00:00
Refactor uses of `partitionEithers <$> mapM f xs`
This patch changes occurences of the idiom
`partitionEithers <$> mapM f xs` by the simpler form
`partitionWithM f xs` where `partitionWithM` is a utility function
newly added to `GHC.Utils.Misc`.
- - - - -
6a27eb97 by Stefan Holdermans at 2023-09-26T20:58:37+00:00
Mark `GHC.Utils.Misc.partitionWithM` as inlineable
This patch adds an `INLINEABLE` pragma for `partitionWithM` to ensure
that the right-hand side of the definition of this function remains
available for specialisation at call sites.
- - - - -
f1e5245a by David Binder at 2023-09-27T01:19:00-04:00
Add RTS option to supress tix file
- - - - -
1f43124f by David Binder at 2023-09-27T01:19:00-04:00
Add expected output to testsuite in test interface-stability/base-exports
- - - - -
b9d2c354 by David Binder at 2023-09-27T01:19:00-04:00
Expose HpcFlags and getHpcFlags from GHC.RTS.Flags
- - - - -
345675c6 by David Binder at 2023-09-27T01:19:00-04:00
Fix expected output of interface-stability test
- - - - -
146e1c39 by David Binder at 2023-09-27T01:19:00-04:00
Implement getHpcFlags
- - - - -
61ba8e20 by David Binder at 2023-09-27T01:19:00-04:00
Add section in user guide
- - - - -
ea05f890 by David Binder at 2023-09-27T01:19:01-04:00
Rename --emit-tix-file to --write-tix-file
- - - - -
cabce2ce by David Binder at 2023-09-27T01:19:01-04:00
Update the golden files for interface stability
- - - - -
1dbdb9d0 by Krzysztof Gogolewski at 2023-09-27T01:19:37-04:00
Refactor: introduce stgArgRep
The function 'stgArgType' returns the type in STG. But this violates
the abstraction: in STG we're supposed to operate on PrimReps.
This introduces
stgArgRep ty = typePrimRep (stgArgType ty)
stgArgRep1 ty = typePrimRep1 (stgArgType ty)
stgArgRep_maybe ty = typePrimRep_maybe (stgArgType ty)
stgArgType is still directly used for unboxed tuples (should be fixable), FFI
and in ticky.
- - - - -
b02f8042 by Mario Blažević at 2023-09-27T17:33:28-04:00
Fix TH pretty-printer's parenthesization
This PR Fixes `Language.Haskell.TH.Ppr.pprint` so it correctly emits parentheses where needed.
Fixes #23962, #23968, #23971, and #23986
- - - - -
79104334 by Krzysztof Gogolewski at 2023-09-27T17:34:04-04:00
Add a testcase for #17564
The code in the ticket relied on the behaviour of Derived constraints.
Derived constraints were removed in GHC 9.4 and now the code works
as expected.
- - - - -
d7a80143 by sheaf at 2023-09-28T03:25:53-04:00
lint-codes: add new modes of operation
This commit adds two new modes of operation to the lint-codes
utility:
list - list all statically used diagnostic codes
outdated - list all outdated diagnostic codes
The previous behaviour is now:
test - test consistency and coverage of diagnostic codes
- - - - -
477d223c by sheaf at 2023-09-28T03:25:53-04:00
lint codes: avoid using git-grep
We manually traverse through the filesystem to find the diagnostic codes
embedded in .stdout and .stderr files, to avoid any issues with old
versions of grep.
Fixes #23843
- - - - -
a38ae69a by sheaf at 2023-09-28T03:25:53-04:00
lint-codes: add Hadrian targets
This commit adds new Hadrian targets:
codes, codes:used - list all used diagnostic codes
codes:outdated - list outdated diagnostic codes
This allows users to easily query GHC for used and outdated
diagnostic codes, e.g.
hadrian/build -j --flavour=<..> codes
will list all used diagnostic codes in the command line by running
the lint-codes utility in the "list codes" mode of operation.
The diagnostic code consistency and coverage test is still run as usual,
through the testsuite:
hadrian/build test --only="codes"
- - - - -
9cdd629b by Ben Gamari at 2023-09-28T03:26:29-04:00
hadrian: Install LICENSE files in bindists
Fixes #23548.
- - - - -
b8ebf876 by Matthew Craven at 2023-09-28T03:27:05-04:00
Fix visibility when eta-reducing a type lambda
Fixes #24014.
- - - - -
d3874407 by Torsten Schmits at 2023-09-30T16:08:10-04:00
Fix several mistakes around free variables in iface breakpoints
Fixes #23612 , #23607, #23998 and #23666.
MR: !11026
The fingerprinting logic in `Iface.Recomp` failed lookups when processing decls containing breakpoints for two reasons:
* IfaceBreakpoint created binders for free variables instead of expressions
* When collecting free names for the dependency analysis for fingerprinting, breakpoint FVs were skipped
- - - - -
ef5342cd by Simon Peyton Jones at 2023-09-30T16:08:48-04:00
Refactor to combine HsLam and HsLamCase
This MR is pure refactoring (#23916):
* Combine `HsLam` and `HsLamCase`
* Combine `HsCmdLam` and `HsCmdLamCase`
This just arranges to treat uniformly
\x -> e
\case pi -> ei
\cases pis -> ie
In the exising code base the first is treated differently
to the latter two.
No change in behaviour.
More specifics:
* Combine `HsLam` and `HsLamCase` (constructors of `Language.Haskell.Syntax.Expr.HsExpr`) into one data construtor covering
* Lambda
* `\case`
* `\cases`
* The new `HsLam` has an argument of type `HsLamVariant` to distinguish the three cases.
* Similarly, combine `HsCmdLam` and `HsCmdLamCase` (constructors of `Language.Haskell.Syntax.Expr.HsCmd` ) into one.
* Similarly, combine `mkHsLamPV` and `mkHsLamCasePV` (methods of class `DisambECP`) into one. (Thank you Alan Zimmerman.)
* Similarly, combine `LambdaExpr` and `LamCaseAlt` (constructors of `Language.Haskell.Syntax.Expr.HsMatchContext`) into one: `LamAlt` with a `HsLamVariant` argument.
* Similarly, combine `KappaExpr` and `ArrowLamCaseAlt` (constructors of `Language.Haskell.Syntax.Expr.HsArrowMatchContext`) into one: `ArrowLamAlt` with a `HsLamVariant` argument.
* Similarly, combine `PsErrLambdaInPat` and `PsErrLambdaCaseInPat` (constructors of `GHC.Parser.Errors.Ppr.PsError`) into one.
* Similarly, combine `PsErrLambdaInPat` and `PsErrLambdaCaseInPat` (constructors of `GHC.Parser.Errors.Ppr.PsError`) into one.
* In the same `PsError` data type, combine `PsErrLambdaCmdInFunAppCmd` and `PsErrLambdaCaseCmdInFunAppCmd` into one.
* In the same `PsError` data tpye, combine `PsErrLambdaInFunAppExpr` and `PsErrLambdaCaseInFunAppExpr` into one.
p* Smilarly combine `ExpectedFunTyLam` and `ExpectedFunTyLamCase` (constructors of `GHC.Tc.Types.Origin.ExpectedFunTyOrigin`) into one.
Phew!
- - - - -
b048bea0 by Andreas Klebinger at 2023-09-30T16:09:24-04:00
Arm: Make ppr methods easier to use by not requiring NCGConfig
- - - - -
2adc0508 by Andreas Klebinger at 2023-09-30T16:09:24-04:00
AArch64: Fix broken conditional jumps for offsets >= 1MB
Rewrite conditional jump instructions with offsets >= 1MB to use unconditional jumps
to avoid overflowing the immediate.
Fixes #23746
- - - - -
1424f790 by Alan Zimmerman at 2023-09-30T16:10:00-04:00
EPA: Replace Monoid with NoAnn
We currently use the Monoid class as a constraint on Exact Print
Annotation functions, so we can use mempty. But this leads to
requiring Semigroup instances too, which do not always make sense.
Instead, introduce a class NoAnn, with a function noAnn analogous to
mempty.
Closes #20372
Updates haddock submodule
- - - - -
c1a3ecde by Ben Gamari at 2023-09-30T16:10:36-04:00
users-guide: Refactor handling of :base-ref: et al.
- - - - -
bc204783 by Richard Eisenberg at 2023-10-02T14:50:52+02:00
Simplify and correct nasty case in coercion opt
This fixes #21062.
No test case, because triggering this code seems challenging.
- - - - -
9c9ca67e by Andrew Lelechenko at 2023-10-04T05:42:28-04:00
Bump bytestring submodule to 0.12.0.2
- - - - -
4e46dc2b by Andrew Lelechenko at 2023-10-04T05:42:28-04:00
Inline bucket_match
- - - - -
f6b2751f by Ben Gamari at 2023-10-04T05:43:05-04:00
configure: Fix #21712 again
This is a bit of a shot in the dark to fix #24033, which appears to be
another instance of #21712. For some reason the ld-override logic
*still* appears to be active on Darwin targets (or at least one).
Consequently, on misconfigured systems we may choose a non-`ld64`
linker.
It's a bit unclear exactly what happened in #24033 but ultimately the
check added for #21712 was not quite right, checking for the
`ghc_host_os` (the value of which depends upon the bootstrap compiler)
instead of the target platform. Fix this.
Fixes #24033.
- - - - -
2f0a101d by Krzysztof Gogolewski at 2023-10-04T05:43:42-04:00
Add a regression test for #24029
- - - - -
8cee3fd7 by sheaf at 2023-10-04T05:44:22-04:00
Fix non-symbolic children lookup of fixity decl
The fix for #23664 did not correctly account for non-symbolic names
when looking up children of a given parent. This one-line fix changes
that.
Fixes #24037
- - - - -
a4785b33 by Cheng Shao at 2023-10-04T05:44:59-04:00
rts: fix incorrect ticket reference
- - - - -
e037f459 by Ben Gamari at 2023-10-04T05:45:35-04:00
users-guide: Fix discussion of -Wpartial-fields
* fix a few typos
* add a new example showing when the warning fires
* clarify the existing example
* point out -Wincomplete-record-selects
Fixes #24049.
- - - - -
8ff3134e by Matthew Pickering at 2023-10-05T05:34:58-04:00
Revert "Pass preprocessor options to C compiler when building foreign C files (#16737)"
This reverts commit 1c18d3b41f897f34a93669edaebe6069f319f9e2.
`-optP` should pass options to the preprocessor, that might be a very
different program to the C compiler, so passing the options to the C
compiler is likely to result in `-optP` being useless.
Fixes #17185 and #21291
- - - - -
8f6010b9 by Ben Gamari at 2023-10-05T05:35:36-04:00
rts/nonmoving: Fix on LLP64 platforms
Previously `NONMOVING_SEGMENT_MASK` and friends were defined with the `UL`
size suffix. However, this is wrong on LLP64 platforms like Windows,
where `long` is 32-bits.
Fixes #23003.
Fixes #24042.
- - - - -
f20d02f8 by Andreas Klebinger at 2023-10-05T05:36:14-04:00
Fix isAArch64Bitmask for 32bit immediates.
Fixes #23802
- - - - -
63afb701 by Bryan Richter at 2023-10-05T05:36:49-04:00
Work around perf note fetch failure
Addresses #24055.
- - - - -
242102f4 by Krzysztof Gogolewski at 2023-10-05T05:37:26-04:00
Add a test for #21348
- - - - -
7d390bce by Rewbert at 2023-10-05T05:38:08-04:00
Fixes #24046
- - - - -
69abb171 by Finley McIlwaine at 2023-10-06T14:06:28-07:00
Ensure unconstrained instance dictionaries get IPE info
In the `StgRhsCon` case of `GHC.Stg.Debug.collectStgRhs`, we were not coming up
with an initial source span based on the span of the binder, which was causing
instance dictionaries without dynamic superclass constraints to not have source
locations in their IPE info. Now they do.
Resolves #24005
- - - - -
390443b7 by Andreas Klebinger at 2023-10-07T10:00:20-04:00
rts: Split up rts/include/stg/MachRegs.h by arch
- - - - -
3685942f by Bryan Richter at 2023-10-07T10:00:56-04:00
Actually set hackage index state
Or at least, use a version of the cabal command that *claims* to set the
index state.
Time will tell.
- - - - -
46a0e5be by Bryan Richter at 2023-10-07T10:00:56-04:00
Update hackage index state
- - - - -
d4b037de by Bryan Richter at 2023-10-07T10:00:56-04:00
Ensure hadrian uses CI's hackage index state
- - - - -
e206be64 by Andrew Lelechenko at 2023-10-08T15:06:14-04:00
Do not use O_NONBLOCK on regular files or block devices
CLC proposal https://github.com/haskell/core-libraries-committee/issues/166
- - - - -
a06197c4 by David Binder at 2023-10-08T15:06:55-04:00
Update hpc-bin submodule to 0.69
- - - - -
ed6785b6 by David Binder at 2023-10-08T15:06:55-04:00
Update Hadrian with correct path to happy file for hpc-bin
- - - - -
94066d58 by Alan Zimmerman at 2023-10-09T21:35:53-04:00
EPA: Introduce HasAnnotation class
The class is defined as
class HasAnnotation e where
noAnnSrcSpan :: SrcSpan -> e
This generalises noAnnSrcSpan, and allows
noLocA :: (HasAnnotation e) => a -> GenLocated e a
noLocA = L (noAnnSrcSpan noSrcSpan)
- - - - -
8792a1bc by Ben Gamari at 2023-10-09T21:36:29-04:00
Bump unix submodule to v2.8.3.0
- - - - -
e96c51cb by Andreas Klebinger at 2023-10-10T16:44:27+01:00
Add a flag -fkeep-auto-rules to optionally keep auto-generated rules around.
The motivation for the flag is given in #21917.
- - - - -
3ed58cef by Matthew Pickering at 2023-10-10T19:01:22-04:00
hadrian: Add ghcToolchain to tool args list
This allows you to load ghc-toolchain and ghc-toolchain-bin into HLS.
- - - - -
476c02d4 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Normalise triple via config.sub
We were not normalising the target triple anymore like we did with the
old make build system.
Fixes #23856
- - - - -
303dd237 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Add missing vendor normalisation
This is copied from m4/ghc_convert_vendor.m4
Towards #23868
- - - - -
838026c9 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Add loongarch64 to parseArch
Towards #23868
- - - - -
1a5bc0b5 by Matthew Pickering at 2023-10-10T19:01:22-04:00
Add same LD hack to ghc-toolchain
In the ./configure script, if you pass the `LD` variable then this has
the effect of stopping use searching for a linker and hence passing
`-fuse-ld=...`.
We want to emulate this logic in ghc-toolchain, if a use explicilty
specifies `LD` variable then don't add `-fuse-ld=..` with the goal of
making ./configure and ghc-toolchain agree on which flags to use when
using the C compiler as a linker.
This is quite unsavoury as we don't bake the choice of LD into the
configuration anywhere but what's important for now is making
ghc-toolchain and ./configure agree as much as possible.
See #23857 for more discussion
- - - - -
42d50b5a by Ben Gamari at 2023-10-10T19:01:22-04:00
ghc-toolchain: Check for C99 support with -std=c99
Previously we failed to try enabling C99 support with `-std=c99`, as
`autoconf` attempts. This broke on older compilers (e.g. CentOS 7) which
don't enable C99 by default.
Fixes #23879.
- - - - -
da2961af by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Add endianess check using __BYTE_ORDER__ macro
In very old toolchains the BYTE_ORDER macro is not set but thankfully
the __BYTE_ORDER__ macro can be used instead.
- - - - -
d8da73cd by Matthew Pickering at 2023-10-10T19:01:22-04:00
configure: AC_PATH_TARGET_TOOL for LD
We want to make sure that LD is set to an absolute path in order to be
consistent with the `LD=$(command -v ld)` call. The AC_PATH_TARGET_TOOL
macro uses the absolute path rather than AC_CHECK_TARGET_TOOL which
might use a relative path.
- - - - -
171f93cc by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Check whether we need -std=gnu99 for CPP as well
In ./configure the C99 flag is passed to the C compiler when used as a C
preprocessor. So we also check the same thing in ghc-toolchain.
- - - - -
89a0918d by Matthew Pickering at 2023-10-10T19:01:22-04:00
Check for --target linker flag separately to C compiler
There are situations where the C compiler doesn't accept `--target` but
when used as a linker it does (but doesn't do anything most likely)
In particular with old gcc toolchains, the C compiler doesn't support
--target but when used as a linker it does.
- - - - -
37218329 by Matthew Pickering at 2023-10-10T19:01:22-04:00
Use Cc to compile test file in nopie check
We were attempting to use the C compiler, as a linker, to compile a file
in the nopie check, but that won't work in general as the flags we pass
to the linker might not be compatible with the ones we pass when using
the C compiler.
- - - - -
9b2dfd21 by Matthew Pickering at 2023-10-10T19:01:22-04:00
configure: Error when ghc-toolchain fails to compile
This is a small QOL change as if you are working on ghc-toolchain and it
fails to compile then configure will continue and can give you outdated
results.
- - - - -
1f0de49a by Matthew Pickering at 2023-10-10T19:01:22-04:00
configure: Check whether -no-pie works when the C compiler is used as a linker
`-no-pie` is a flag we pass when using the C compiler as a linker (see
pieCCLDOpts in GHC.Driver.Session) so we should test whether the C
compiler used as a linker supports the flag, rather than just the C
compiler.
- - - - -
62cd2579 by Matthew Pickering at 2023-10-10T19:01:22-04:00
ghc-toolchain: Remove javascript special case for --target detection
emcc when used as a linker seems to ignore the --target flag, and for
consistency with configure which now tests for --target, we remove this
special case.
- - - - -
0720fde7 by Ben Gamari at 2023-10-10T19:01:22-04:00
toolchain: Don't pass --target to emscripten toolchain
As noted in `Note [Don't pass --target to emscripten toolchain]`,
emscripten's `emcc` is rather inconsistent with respect to its treatment
of the `--target` flag. Avoid this by special-casing this toolchain
in the `configure` script and `ghc-toolchain`.
Fixes on aspect of #23744.
- - - - -
6354e1da by Matthew Pickering at 2023-10-10T19:01:22-04:00
hadrian: Don't pass `--gcc-options` as a --configure-arg to cabal configure
Stop passing -gcc-options which mixed together linker flags and
non-linker flags. There's no guarantee the C compiler will accept both
of these in each mode.
- - - - -
c00a4bd6 by Ben Gamari at 2023-10-10T19:01:22-04:00
configure: Probe stage0 link flags
For consistency with later stages and CC.
- - - - -
1f11e7c4 by Sebastian Graf at 2023-10-10T19:01:58-04:00
Stricter Binary.get in GHC.Types.Unit (#23964)
I noticed some thunking while looking at Core.
This change has very modest, but throughout positive ghc/alloc effect:
```
hard_hole_fits(normal) ghc/alloc 283,057,664 281,620,872 -0.5%
geo. mean -0.1%
minimum -0.5%
maximum +0.0%
```
Fixes #23964.
- - - - -
a4f1a181 by Bryan Richter at 2023-10-10T19:02:37-04:00
rel_eng/upload.sh cleanups
- - - - -
80705335 by doyougnu at 2023-10-10T19:03:18-04:00
ci: add javascript label rule
This adds a rule which triggers the javascript job when the "javascript"
label is assigned to an MR.
- - - - -
a2c0fff6 by Matthew Craven at 2023-10-10T19:03:54-04:00
Make 'wWarningFlagsDeps' include every WarningFlag
Fixes #24071.
- - - - -
d055f099 by Jan Hrček at 2023-10-10T19:04:33-04:00
Fix pretty printing of overlap pragmas in TH splices (fixes #24074)
- - - - -
0746b868 by Andreas Klebinger at 2023-10-10T19:05:09-04:00
Aarch64 NCG: Use encoded immediates for literals.
Try to generate
instr x2, <imm>
instead of
mov x1, lit
instr x2, x1
When possible. This get's rid if quite a few redundant
mov instructions.
I believe this causes a metric decrease for LargeRecords as
we reduce register pressure.
-------------------------
Metric Decrease:
LargeRecord
-------------------------
- - - - -
739f4e6f by Andreas Klebinger at 2023-10-10T19:05:09-04:00
AArch NCG: Refactor getRegister'
Remove some special cases which can be handled just as well by the
generic case.
This increases code re-use while also fixing #23749. Since some of the
special case wasn't upholding Note [Signed arithmetic on AArch64].
- - - - -
1b213d33 by Andreas Klebinger at 2023-10-10T19:05:09-04:00
Aarch ncg: Optimize immediate use for address calculations
When the offset doesn't fit into the immediate we now just reuse the
general getRegister' code path which is well optimized to compute the
offset into a register instead of a special case for CmmRegOff.
This means we generate a lot less code under certain conditions which is
why performance metrics for these improve.
-------------------------
Metric Decrease:
T4801
T5321FD
T5321Fun
-------------------------
- - - - -
b7df0732 by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over mem management checks
These are for heap allocation, a strictly RTS concern.
All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.
The RTS configure one has a new
```
AC_CHECK_SIZEOF([void *])
```
that the top-level configure version didn't have, so that
`ac_cv_sizeof_void_p` is defined. Once more code is moved over in latter
commits, that can go away.
Progress towards #17191
- - - - -
41130a65 by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over `__thread` check
This used by (@bgamari thinks) the `GCThread` abstraction in the RTS.
All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.
Progress towards #17191
- - - - -
cc5ec2bd by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over misc function checks
These are for general use in the RTS.
All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.
Progress towards #17191
- - - - -
809e7c2d by John Ericson at 2023-10-11T16:02:11-04:00
RTS configure: Move over `eventfd` check
This check is for the RTS part of the event manager and has a
corresponding part in `base`.
All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.
Progress towards #17191
- - - - -
58f3babf by John Ericson at 2023-10-11T16:02:48-04:00
Split `FP_CHECK_PTHREADS` and move part to RTS configure
`NEED_PTHREAD_LIB` is unused since
3609340743c1b25fdfd0e18b1670dac54c8d8623 (part of the make build
system), and so is no longer defined.
Progress towards #17191
- - - - -
e99cf237 by Moritz Angermann at 2023-10-11T16:03:24-04:00
nativeGen: section flags for .text$foo only
Commit 3ece9856d157c85511d59f9f862ab351bbd9b38b, was supposed to fix
#22834 in !9810.
It does however add "xr" indiscriminatly to .text sections
even if splitSections is disabled. This leads to the assembler saying:
ghc_1.s:7849:0: error:
Warning: Ignoring changed section attributes for .text
|
7849 | .section .text,"xr"
| ^
- - - - -
f383a242 by Sylvain Henry at 2023-10-11T16:04:04-04:00
Modularity: pass TempDir instead of DynFlags (#17957)
- - - - -
34fc28b0 by John Ericson at 2023-10-12T06:48:28-04:00
Test that functions from `mingwex` are available
Ryan wrote these two minimizations, but they never got added to the test
suite.
See #23309, #23378
Co-Authored-By: Ben Gamari <bgamari.foss at gmail.com>
Co-Authored-By: Ryan Scott <ryan.gl.scott at gmail.com>
- - - - -
bdb54a0e by John Ericson at 2023-10-12T06:48:28-04:00
Do not check for the `mingwex` library in `/configure`
See the recent discussion in !10360 --- Cabal will itself check for the
library for the packages that need it, and while the autoconf check
additionally does some other things like define a `HAS_LIBMINGWEX` C
Preprocessor macro, those other things are also unused and unneeded.
Progress towards #17191, which aims to get rid of `/configure` entirely.
- - - - -
43e814e1 by Ben Gamari at 2023-10-12T06:49:40-04:00
base: Introduce move modules into src
The only non-move changes here are whitespace changes to pass the
`whitespace` test and a few testsuite adaptations.
- - - - -
df81536f by Moritz Angermann at 2023-10-12T06:50:16-04:00
[PEi386 linker] Bounds check and null-deref guard
We should resonably be able to expect that we won't exceed the number of
sections if we assume to be dealing with legal object files. We can however
not guarantee that we get some negative values, and while we try to
special case most, we should exclude negative indexing into the sections
array.
We also need to ensure that we do not try to derefences targetSection,
if it is NULL, due to the switch statement.
- - - - -
c74c4f00 by John Ericson at 2023-10-12T10:31:13-04:00
Move apple compat check to RTS configure
- - - - -
c80778ea by John Ericson at 2023-10-12T10:31:13-04:00
Move clock/timer fun checks to RTS configure
Actual library check (which will set the Cabal flag) is left in the
top-level configure for now.
Progress towards #17191
- - - - -
7f9f2686 by John Ericson at 2023-10-12T10:31:13-04:00
Move visibility and "musttail" annotation checks to the RTS configure
All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.
Progress towards #17191
- - - - -
ffb3efe6 by John Ericson at 2023-10-12T10:31:13-04:00
Move leading underscore checks to RTS configure
`CabalLeadingUnderscore` is done via Hadrian already, so we can stop
`AC_SUBST`ing it completely.
- - - - -
25fa4b02 by John Ericson at 2023-10-12T10:31:13-04:00
Move alloca, fork, const, and big endian checks to RTS configure
All of this should boil down to `AC_DEFINE` not `AC_SUBST`, so it
belongs in the RTS configure and should be safe to move without
modification.
- - - - -
5170f42a by John Ericson at 2023-10-12T10:31:13-04:00
Move libdl check to RTS configure
- - - - -
ea7a1447 by John Ericson at 2023-10-12T10:31:13-04:00
Adjust `FP_FIND_LIBFFI`
Just set vars, and `AC_SUBST` in top-level configure.
Don't define `HAVE_SYSTEM_LIBFFI` because nothing is using it. It hasn't
be in used since 3609340743c1b25fdfd0e18b1670dac54c8d8623 (part of the
make build system).
- - - - -
f399812c by John Ericson at 2023-10-12T10:31:13-04:00
Split BFD support to RTS configure
The flag is still in the top-level configure, but the other checks
(which define various macros --- important) are in the RTS configure.
- - - - -
f64f44e9 by John Ericson at 2023-10-12T10:31:13-04:00
Split libm check between top level and RTS
- - - - -
dafc4709 by Moritz Angermann at 2023-10-12T10:31:49-04:00
CgUtils.fixStgRegStmt respect register width
This change ensure that the reg + offset computation is always of the
same size. Before this we could end up with a 64bit register, and then
add a 32bit offset (on 32bit platforms). This not only would fail type
sanity checking, but also incorrectly truncate 64bit values into 32bit
values silently on 32bit architectures.
- - - - -
9e6ef7ba by Matthew Pickering at 2023-10-12T20:35:00-04:00
hadrian: Decrease verbosity of cabal commands
In Normal, most tools do not produce output to stdout unless there are
error conditions.
Reverts 7ed65f5a1bc8e040e318ccff395f53a9bbfd8217
- - - - -
08fc27af by John Ericson at 2023-10-12T20:35:36-04:00
Do not substitute `@...@` for stage-specific values in cabal files
`rts` and `ghc-prim` now no longer have a `*.cabal.in` to set Cabal flag
defaults; instead manual choices are passed to configure in the usual
way.
The old way was fundamentally broken, because it meant we were baking
these Cabal files for a specific stage. Now we only do stage-agnostic
@...@ substitution in cabal files (the GHC version), and so all
stage-specific configuration is properly confined to `_build` and the
right stage dir.
Also `include-ghc-prim` is a flag that no longer exists for `ghc-prim`
(it was removed in 835d8ddbbfb11796ea8a03d1806b7cee38ba17a6) so I got
rid of it.
Co-Authored-By: Matthew Pickering <matthewtpickering at gmail.com>
- - - - -
a0ac8785 by Sebastian Graf at 2023-10-14T19:17:12-04:00
Fix restarts in .ghcid
Using the whole of `hadrian/` restarted in a loop for me.
- - - - -
fea9ecdb by Sebastian Graf at 2023-10-14T19:17:12-04:00
CorePrep: Refactor FloatingBind (#23442)
A drastically improved architecture for local floating in CorePrep
that decouples the decision of whether a float is going to be let- or case-bound
from how far it can float (out of strict contexts, out of lazy contexts, to
top-level).
There are a couple of new Notes describing the effort:
* `Note [Floating in CorePrep]` for the overview
* `Note [BindInfo and FloatInfo]` for the new classification of floats
* `Note [Floats and FloatDecision]` for how FloatInfo is used to inform
floating decisions
This is necessary ground work for proper treatment of Strict fields and
unlifted values at top-level.
Fixes #23442.
NoFib results (omitted = 0.0%):
```
--------------------------------------------------------------------------------
Program Allocs Instrs
--------------------------------------------------------------------------------
pretty 0.0% -1.6%
scc 0.0% -1.7%
--------------------------------------------------------------------------------
Min 0.0% -1.7%
Max 0.0% -0.0%
Geometric Mean -0.0% -0.0%
```
- - - - -
32523713 by Matthew Pickering at 2023-10-14T19:17:49-04:00
hadrian: Move ghcBinDeps into ghcLibDeps
This completes a5227080b57cb51ac34d4c9de1accdf6360b818b, the
`ghc-usage.txt` and `ghci-usage.txt` file are also used by the `ghc`
library so need to make sure they are present in the libdir even if we
are not going to build `ghc-bin`.
This also fixes things for cross compilers because the stage2
cross-compiler requires the ghc-usage.txt file, but we are using
the stage2 lib folder but not building stage3:exe:ghc-bin so
ghc-usage.txt was not being generated.
- - - - -
ec3c4488 by sheaf at 2023-10-14T19:18:29-04:00
Combine GREs when combining in mkImportOccEnv
In `GHC.Rename.Names.mkImportOccEnv`, we sometimes discard one import
item in favour of another, as explained in Note [Dealing with imports]
in `GHC.Rename.Names`. However, this can cause us to lose track of
important parent information.
Consider for example #24084:
module M1 where { class C a where { type T a } }
module M2 ( module M1 ) where { import M1 }
module M3 where { import M2 ( C, T ); instance C () where T () = () }
When processing the import list of `M3`, we start off (for reasons that
are not relevant right now) with two `Avail`s attached to `T`, namely
`C(C, T)` and `T(T)`. We combine them in the `combine` function of
`mkImportOccEnv`; as described in Note [Dealing with imports] we discard
`C(C, T)` in favour of `T(T)`. However, in doing so, we **must not**
discard the information want that `C` is the parent of `T`. Indeed,
losing track of this information can cause errors when importing,
as we could get an error of the form
‘T’ is not a (visible) associated type of class ‘C’
We fix this by combining the two GREs for `T` using `plusGRE`.
Fixes #24084
- - - - -
257c2807 by Ilias Tsitsimpis at 2023-10-14T19:19:07-04:00
hadrian: Pass -DNOSMP to C compiler when needed
Hadrian passes the -DNOSMP flag to GHC when the target doesn't support
SMP, but doesn't pass it to CC as well, leading to the following
compilation error on mips64el:
| Run Cc (FindCDependencies CDep) Stage1: rts/sm/NonMovingScav.c => _build/stage1/rts/build/c/sm/NonMovingScav.o.d
Command line: /usr/bin/mips64el-linux-gnuabi64-gcc -E -MM -MG -MF _build/stage1/rts/build/c/hooks/FlagDefaults.thr_debug_p_o.d -MT _build/stage1/rts/build/c/hooks/FlagDefaults.o -Irts/include -I_build/stage1/rts/build -I_build/stage1/rts/build/include -Irts/include -x c rts/hooks/FlagDefaults.c -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Winline -Wpointer-arith -Wmissing-noreturn -Wnested-externs -Wredundant-decls -Wundef -fno-strict-aliasing -DTHREADED_RTS -DDEBUG -fomit-frame-pointer -O2 -g -Irts -I_build/stage1/rts/build -DDEBUG -fno-omit-frame-pointer -g3 -O0
===> Command failed with error code: 1
In file included from rts/include/Stg.h:348,
from rts/include/Rts.h:38,
from rts/hooks/FlagDefaults.c:8:
rts/include/stg/SMP.h:416:2: error: #error memory barriers unimplemented on this architecture
416 | #error memory barriers unimplemented on this architecture
| ^~~~~
rts/include/stg/SMP.h:440:2: error: #error memory barriers unimplemented on this architecture
440 | #error memory barriers unimplemented on this architecture
| ^~~~~
rts/include/stg/SMP.h:464:2: error: #error memory barriers unimplemented on this architecture
464 | #error memory barriers unimplemented on this architecture
| ^~~~~
The old make system correctly passed this flag to both GHC and CC [1].
Fix this error by passing -DNOSMP to CC as well.
[1] https://gitlab.haskell.org/ghc/ghc/-/blob/00920f176b0235d5bb52a8e054d89a664f8938fe/rts/ghc.mk#L407
Closes #24082
- - - - -
13d3c613 by John Ericson at 2023-10-14T19:19:42-04:00
Users Guide: Drop dead code for Haddock refs to `parallel`
I noticed while working on !11451 that `@LIBRARY_parallel_UNIT_ID@` was
not substituted. It is dead code -- there is no `parallel-ref` usages
and it doesn't look like there ever was (going back to
3e5d0f188d6c8633e55e9ba6c8941c07e459fa4b), so let's delete it.
- - - - -
fe067577 by Sylvain Henry at 2023-10-18T19:40:25-04:00
Avoid out-of-bound array access in bigNatIsPowerOf2 (fix #24066)
bigNatIndex# in the `where` clause wasn't guarded by "bigNatIsZero a".
- - - - -
cc1625b1 by Sylvain Henry at 2023-10-18T19:40:25-04:00
Bignum: fix right shift of negative BigNat with native backend
- - - - -
cbe4400d by Sylvain Henry at 2023-10-18T19:40:25-04:00
Rts: expose rtsOutOfBoundsAccess symbol
- - - - -
72c7380c by Sylvain Henry at 2023-10-18T19:40:25-04:00
Hadrian: enable `-fcheck-prim-bounds` in validate flavour
This allows T24066 to fail when the bug is present.
Otherwise the out-of-bound access isn't detected as it happens in
ghc-bignum which wasn't compiled with the bounds check.
- - - - -
f9436990 by John Ericson at 2023-10-18T19:41:01-04:00
Make Hadrian solely responsible for substituting `docs/users_guide/ghc_config.py.in`
Fixes #24091
Progress on #23966
Issue #24091 reports that `@ProjectVersion@` is no longer being
substituted in the GHC user's guide. I assume this is a recent issue,
but I am not sure how it's worked since
c1a3ecde720b3bddc2c8616daaa06ee324e602ab; it looks like both Hadrian and
configure are trying to substitute the same `.in` file!
Now only Hadrian does. That is better anyways; already something that
issue #23966 requested.
It seems like we were missing some dependencies in Hadrian. (I really,
really hate that this is possible!) Hopefully it is fixed now.
- - - - -
b12df0bb by John Ericson at 2023-10-18T19:41:37-04:00
`ghcversion.h`: No need to cope with undefined `ProjectPatchLevel*`
Since 4e6c80197f1cc46dfdef0300de46847c7cfbdcb0, these are guaranteed to
be defined. (Guaranteed including a test in the testsuite.)
- - - - -
0295375a by John Ericson at 2023-10-18T19:41:37-04:00
Generate `ghcversion.h` from a `.in` file
Now that there are no conditional sections (see the previous commit), we
can just a do simple substitution rather than pasting it together line
by line.
Progress on #23966
- - - - -
740a1b85 by Krzysztof Gogolewski at 2023-10-19T11:37:20-04:00
Add a regression test for #24064
- - - - -
921fbf2f by Hécate Moonlight at 2023-10-19T11:37:59-04:00
CLC Proposal #182: Export List from Data.List
Proposal link: https://github.com/haskell/core-libraries-committee/issues/182
- - - - -
4f02d3c1 by Sylvain Henry at 2023-10-20T04:01:32-04:00
rts: fix small argument passing on big-endian arch (fix #23387)
- - - - -
b86243b4 by Sylvain Henry at 2023-10-20T04:02:13-04:00
Interpreter: fix literal alignment on big-endian architectures (fix #19261)
Literals weren't correctly aligned on big-endian, despite what the
comment said.
- - - - -
a4b2ec47 by Sylvain Henry at 2023-10-20T04:02:54-04:00
Testsuite: recomp011 and recomp015 are fixed on powerpc
These tests have been fixed but not tested and re-enabled on big-endian
powerpc (see comments in #11260 and #11323)
- - - - -
fded7dd4 by Sebastian Graf at 2023-10-20T04:03:30-04:00
CorePrep: Allow floating dictionary applications in -O0 into a Rec (#24102)
- - - - -
02efc181 by John Ericson at 2023-10-22T02:48:55-04:00
Move function checks to RTS configure
Some of these functions are used in `base` too, but we can copy the
checks over to its configure if that's an issue.
- - - - -
5f4bccab by John Ericson at 2023-10-22T02:48:55-04:00
Move over a number of C-style checks to RTS configure
- - - - -
5cf04f58 by John Ericson at 2023-10-22T02:48:55-04:00
Move/Copy more `AC_DEFINE` to RTS config
Only exception is the LLVM version macros, which are used for GHC
itself.
- - - - -
b8ce5dfe by John Ericson at 2023-10-22T02:48:55-04:00
Define `TABLES_NEXT_TO_CODE` in the RTS configure
We create a new cabal flag to facilitate this.
- - - - -
4a40271e by John Ericson at 2023-10-22T02:48:55-04:00
Configure scripts: `checkOS`: Make a bit more robust
`mingw64` and `mingw32` are now both accepted for `OSMinGW32`. This
allows us to cope with configs/triples that we haven't normalized extra
being what GNU `config.sub` does.
- - - - -
16bec0a0 by John Ericson at 2023-10-22T02:48:55-04:00
Generate `ghcplatform.h` from RTS configure
We create a new cabal flag to facilitate this.
- - - - -
7dfcab2f by John Ericson at 2023-10-22T02:48:55-04:00
Get rid of all mention of `mk/config.h`
The RTS configure script is now solely responsible for managing its
headers; the top level configure script does not help.
- - - - -
c1e3719c by Cheng Shao at 2023-10-22T02:49:33-04:00
rts: drop stale mentions of MIN_UPD_SIZE
We used to have MIN_UPD_SIZE macro that describes the minimum reserved
size for thunks, so that the thunk can be overwritten in place as
indirections or blackholes. However, this macro has not been actually
defined or used anywhere since a long time ago; StgThunkHeader already
reserves a padding word for this purpose. Hence this patch which drops
stale mentions of MIN_UPD_SIZE.
- - - - -
d24b0d85 by Andrew Lelechenko at 2023-10-22T02:50:11-04:00
base changelog: move non-backported entries from 4.19 section to 4.20
Neither !10933 (check https://hackage.haskell.org/package/base-4.19.0.0/docs/src/Text.Read.Lex.html#numberToRangedRational)
nor !10189 (check https://hackage.haskell.org/package/base-4.19.0.0/docs/src/Data.List.NonEmpty.html#unzip)
were backported to `base-4.19.0.0`. Moving them to `base-4.20.0.0` section.
Also minor stylistic changes to other entries, bringing them to a uniform form.
- - - - -
de78b32a by Alan Zimmerman at 2023-10-23T09:09:41-04:00
EPA Some tweaks to annotations
- Fix span for GRHS
- Move TrailingAnns from last match to FunBind
- Fix GADT 'where' clause span
- Capture full range for a CaseAlt Match
- - - - -
d5a8780d by Simon Hengel at 2023-10-23T09:10:23-04:00
Update primitives.rst
- - - - -
4d075924 by Josh Meredith at 2023-10-24T23:04:12+11:00
JS/userguide: add explanation of writing jsbits
- - - - -
07ab5cc1 by Cheng Shao at 2023-10-24T15:40:32-04:00
testsuite: increase timeout of ghc-api tests for wasm32
ghc-api tests for wasm32 are more likely to timeout due to the large
wasm module sizes, especially when testing with wasm native tail
calls, given wasmtime's handling of tail call opcodes are suboptimal
at the moment. It makes sense to increase timeout specifically for
these tests on wasm32. This doesn't affect other targets, and for
wasm32 we don't increase timeout for all tests, so not to risk letting
major performance regressions slip through the testsuite.
- - - - -
0d6acca5 by Greg Steuck at 2023-10-26T08:44:23-04:00
Explicitly require RLIMIT_AS before use in OSMem.c
This is done elsewhere in the source tree. It also suddenly is
required on OpenBSD.
- - - - -
9408b086 by Sylvain Henry at 2023-10-26T08:45:03-04:00
Modularity: modularize external linker
Decouple runLink from DynFlags to allow calling runLink more easily.
This is preliminary work for calling Emscripten's linker (emcc) from
our JavaScript linker.
- - - - -
e0f35030 by doyougnu at 2023-10-27T08:41:12-04:00
js: add JStg IR, remove unsaturated constructor
- Major step towards #22736 and adding the optimizer in #22261
- - - - -
35587eba by Simon Peyton Jones at 2023-10-27T08:41:48-04:00
Fix a bug in tail calls with ticks
See #24078 for the diagnosis. The change affects only
the Tick case of occurrence analysis.
It's a bit hard to test, so no regression test (yet anyway).
- - - - -
9bc5cb92 by Matthew Craven at 2023-10-28T07:06:17-04:00
Teach tag-inference about SeqOp/seq#
Fixes the STG/tag-inference analogue of #15226.
Co-Authored-By: Simon Peyton Jones <simon.peytonjones at gmail.com>
- - - - -
34f06334 by Moritz Angermann at 2023-10-28T07:06:53-04:00
[PEi386] Mask SYM_TYPE_DUP_DISCARD in makeSymbolExtra
48e391952c17ff7eab10b0b1456e3f2a2af28a9b
introduced `SYM_TYPE_DUP_DISCARD` to the bitfield.
The linker however, failed to mask the `SYM_TYPE_DUP_DISCARD` value.
Thus `== SYM_TYPE_CODE` comparisons easily failed. This lead to us
relocating DATA lookups (GOT) into E8 (call) and E9 (jump) instructions.
- - - - -
5b51b2a2 by Mario Blažević at 2023-10-28T07:07:33-04:00
Fix and test for issue #24111, TH.Ppr output of pattern synonyms
- - - - -
723bc352 by Alan Zimmerman at 2023-10-30T20:36:41-04:00
EPA: print doc comments as normal comments
And ignore the ones allocated in haddock processing.
It does not guarantee that every original haddock-like comment appears
in the output, as it discards ones that have no legal attachment point.
closes #23459
- - - - -
21b76843 by Simon Peyton Jones at 2023-10-30T20:37:17-04:00
Fix non-termination bug in equality solver
constraint left-to-right then right to left, forever.
Easily fixed.
- - - - -
270867ac by Sebastian Graf at 2023-10-30T20:37:52-04:00
ghc-toolchain: build with `-package-env=-` (#24131)
Otherwise globally installed libraries (via `cabal install --lib`)
break the build.
Fixes #24131.
- - - - -
7a90020f by Krzysztof Gogolewski at 2023-10-31T20:03:37-04:00
docs: fix ScopedTypeVariables example (#24101)
The previous example didn't compile.
Furthermore, it wasn't demonstrating the point properly.
I have changed it to an example which shows that 'a' in the signature
must be the same 'a' as in the instance head.
- - - - -
49f69f50 by Krzysztof Gogolewski at 2023-10-31T20:04:13-04:00
Fix pretty-printing of type family dependencies
"where" should be after the injectivity annotation.
- - - - -
73c191c0 by Ben Gamari at 2023-10-31T20:04:49-04:00
gitlab-ci: Bump LLVM bootstrap jobs to Debian 12
As the Debian 10 images have too old an LLVM.
Addresses #24056.
- - - - -
5b0392e0 by Matthew Pickering at 2023-10-31T20:04:49-04:00
ci: Run aarch64 llvm backend job with "LLVM backend" label
This brings it into line with the x86 LLVM backend job.
- - - - -
9f9c9227 by Ryan Scott at 2023-11-01T09:19:12-04:00
More robust checking for DataKinds
As observed in #22141, GHC was not doing its due diligence in catching code
that should require `DataKinds` in order to use. Most notably, it was allowing
the use of arbitrary data types in kind contexts without `DataKinds`, e.g.,
```hs
data Vector :: Nat -> Type -> Type where
```
This patch revamps how GHC tracks `DataKinds`. The full specification is
written out in the `DataKinds` section of the GHC User's Guide, and the
implementation thereof is described in `Note [Checking for DataKinds]` in
`GHC.Tc.Validity`. In brief:
* We catch _type_-level `DataKinds` violations in the renamer. See
`checkDataKinds` in `GHC.Rename.HsType` and `check_data_kinds` in
`GHC.Rename.Pat`.
* We catch _kind_-level `DataKinds` violations in the typechecker, as this
allows us to catch things that appear beneath type synonyms. (We do *not*
want to do this in type-level contexts, as it is perfectly fine for a type
synonym to mention something that requires DataKinds while still using the
type synonym in a module that doesn't enable DataKinds.) See `checkValidType`
in `GHC.Tc.Validity`.
* There is now a single `TcRnDataKindsError` that classifies all manner of
`DataKinds` violations, both in the renamer and the typechecker. The
`NoDataKindsDC` error has been removed, as it has been subsumed by
`TcRnDataKindsError`.
* I have added `CONSTRAINT` is `isKindTyCon`, which is what checks for illicit
uses of data types at the kind level without `DataKinds`. Previously,
`isKindTyCon` checked for `Constraint` but not `CONSTRAINT`. This is
inconsistent, given that both `Type` and `TYPE` were checked by `isKindTyCon`.
Moreover, it thwarted the implementation of the `DataKinds` check in
`checkValidType`, since we would expand `Constraint` (which was OK without
`DataKinds`) to `CONSTRAINT` (which was _not_ OK without `DataKinds`) and
reject it. Now both are allowed.
* I have added a flurry of additional test cases that test various corners of
`DataKinds` checking.
Fixes #22141.
- - - - -
575d7690 by Sylvain Henry at 2023-11-01T09:19:53-04:00
JS: fix FFI "wrapper" and "dynamic"
Fix codegen and helper functions for "wrapper" and "dynamic" foreign
imports.
Fix tests:
- ffi006
- ffi011
- T2469
- T4038
Related to #22363
- - - - -
81fb8885 by Alan Zimmerman at 2023-11-01T22:23:56-04:00
EPA: Use full range for Anchor
This change requires a series of related changes, which must all land
at the same time, otherwise all the EPA tests break.
* Use the current Anchor end as prior end
Use the original anchor location end as the source of truth for
calculating print deltas.
This allows original spacing to apply in most cases, only changed
AST items need initial delta positions.
* Add DArrow to TrailingAnn
* EPA Introduce HasTrailing in ExactPrint
Use [TrailingAnn] in enterAnn and remove it from
ExactPrint (LocatedN RdrName)
* In HsDo, put TrailingAnns at top of LastStmt
* EPA: do not convert comments to deltas when balancing.
* EPA: deal with fallout from getMonoBind
* EPA fix captureLineSpacing
* EPA print any comments in the span before exiting it
* EPA: Add comments to AnchorOperation
* EPA: remove AnnEofComment, it is no longer used
Updates Haddock submodule
- - - - -
03e82511 by Rodrigo Mesquita at 2023-11-01T22:24:32-04:00
Fix in docs regarding SSymbol, SNat, SChar (#24119)
- - - - -
362cc693 by Matthew Pickering at 2023-11-01T22:25:08-04:00
hadrian: Update bootstrap plans (9.4.6, 9.4.7, 9.6.2, 9.6.3, 9.8.1)
Updating the bootstrap plans with more recent GHC versions.
- - - - -
00b9b8d3 by Matthew Pickering at 2023-11-01T22:25:08-04:00
ci: Add 9.8.1 bootstrap testing job
- - - - -
ef3d20f8 by Matthew Pickering at 2023-11-01T22:25:08-04:00
Compatibility with 9.8.1 as boot compiler
This fixes several compatability issues when using 9.8.1 as the boot
compiler.
* An incorrect version guard on the stack decoding logic in ghc-heap
* Some ghc-prim bounds need relaxing
* ghc is no longer wired in, so we have to remove the -this-unit-id ghc
call.
Fixes #24077
- - - - -
6755d833 by Jaro Reinders at 2023-11-03T10:54:42+01:00
Add NCG support for common 64bit operations to the x86 backend.
These used to be implemented via C calls which was obviously quite bad
for performance for operations like simple addition.
Co-authored-by: Andreas Klebinger
- - - - -
0dfb1fa7 by Vladislav Zavialov at 2023-11-03T14:08:41-04:00
T2T in Expressions (#23738)
This patch implements the T2T (term-to-type) transformation in
expressions. Given a function with a required type argument
vfun :: forall a -> ...
the user can now call it as
vfun (Maybe Int)
instead of
vfun (type (Maybe Int))
The Maybe Int argument is parsed and renamed as a term (HsExpr), but then
undergoes a conversion to a type (HsType).
See the new function expr_to_type in compiler/GHC/Tc/Gen/App.hs
and Note [RequiredTypeArguments and the T2T mapping]
Left as future work: checking for puns.
- - - - -
cc1c7c54 by Duncan Coutts at 2023-11-05T00:23:44-04:00
Add a test for I/O managers
It tries to cover the cases of multiple threads waiting on the same
fd for reading and multiple threads waiting for writing, including
wait cancellation by async exceptions.
It should work for any I/O manager, in-RTS or in-Haskell.
Unfortunately it will not currently work for Windows because it relies
on anonymous unix sockets. It could in principle be ported to use
Windows named pipes.
- - - - -
2e448f98 by Cheng Shao at 2023-11-05T00:23:44-04:00
Skip the IOManager test on wasm32 arch.
The test relies on the sockets API which are not (yet) available.
- - - - -
fe50eb35 by Cheng Shao at 2023-11-05T00:24:20-04:00
compiler: fix eager blackhole symbol in wasm32 NCG
- - - - -
af771148 by Cheng Shao at 2023-11-05T00:24:20-04:00
testsuite: fix optasm tests for wasm32
- - - - -
1b90735c by Matthew Pickering at 2023-11-05T00:24:20-04:00
testsuite: Add wasm32 to testsuite arches with NCG
The compiler --info reports that wasm32 compilers have a NCG, so we
should agree with that here.
- - - - -
db9a6496 by Alan Zimmerman at 2023-11-05T00:24:55-04:00
EPA: make locA a function, not a field name
And use it to generalise reLoc
The following for the windows pipeline one. 5.5%
Metric Increase:
T5205
- - - - -
833e250c by Simon Peyton Jones at 2023-11-05T00:25:31-04:00
Update the unification count in wrapUnifierX
Omitting this caused type inference to fail in #24146.
This was an accidental omision in my refactoring of the
equality solver.
- - - - -
e451139f by Andreas Klebinger at 2023-11-05T00:26:07-04:00
Remove an accidental git conflict marker from a comment.
- - - - -
30baac7a by Tobias Haslop at 2023-11-06T10:50:32+00:00
Add laws relating between Foldable/Traversable with their Bi- superclasses
See https://github.com/haskell/core-libraries-committee/issues/205 for
discussion.
This commit also documents that the tuple instances only satisfy the
laws up to lazyness, similar to the documentation added in !9512.
- - - - -
df626f00 by Tobias Haslop at 2023-11-07T02:20:37-05:00
Elaborate on the quantified superclass of Bifunctor
This was requested in the comment
https://github.com/haskell/core-libraries-committee/issues/93#issuecomment-1597271700
for when Traversable becomes a superclass of Bitraversable, but similarly
applies to Functor/Bifunctor, which already are in a superclass relationship.
- - - - -
8217acb8 by Alan Zimmerman at 2023-11-07T02:21:12-05:00
EPA: get rid of l2l and friends
Replace them with
l2l to convert the location
la2la to convert a GenLocated thing
Updates haddock submodule
- - - - -
dd88a260 by Luite Stegeman at 2023-11-07T02:21:53-05:00
JS: remove broken newIdents from JStg Monad
GHC.JS.JStg.Monad.newIdents was broken, resulting in duplicate
identifiers being generated in h$c1, h$c2, ... .
This change removes the broken newIdents.
- - - - -
455524a2 by Matthew Craven at 2023-11-09T08:41:59-05:00
Create specially-solved DataToTag class
Closes #20532. This implements CLC proposal 104:
https://github.com/haskell/core-libraries-committee/issues/104
The design is explained in Note [DataToTag overview]
in GHC.Tc.Instance.Class. This replaces the existing
`dataToTag#` primop.
These metric changes are not "real"; they represent Unique-related
flukes triggering on a different set of jobs than they did previously.
See also #19414.
Metric Decrease:
T13386
T8095
Metric Increase:
T13386
T8095
Co-authored-by: Simon Peyton Jones <simon.peytonjones at gmail.com>
- - - - -
a05f4554 by Alan Zimmerman at 2023-11-09T08:42:35-05:00
EPA: get rid of glRR and friends in GHC/Parser.y
With the HasLoc and HasAnnotation classes, we can replace a
number of type-specific helper functions in the parser with
polymorphic ones instead
Metric Decrease:
MultiLayerModulesTH_Make
- - - - -
18498538 by Cheng Shao at 2023-11-09T16:58:12+00:00
ci: bump ci-images for wasi-sdk upgrade
- - - - -
52c0fc69 by PHO at 2023-11-09T19:16:22-05:00
Don't assume the current locale is *.UTF-8, set the encoding explicitly
primops.txt contains Unicode characters:
> LC_ALL=C ./genprimopcode --data-decl < ./primops.txt
> genprimopcode: <stdin>: hGetContents: invalid argument (cannot decode byte sequence starting from 226)
Hadrian must also avoid using readFile' to read primops.txt because it
tries to decode the file with a locale-specific encoding.
- - - - -
7233b3b1 by PHO at 2023-11-09T19:17:01-05:00
Use '[' instead of '[[' because the latter is a Bash-ism
It doesn't work on platforms where /bin/sh is something other than Bash.
- - - - -
6dbab180 by Simon Peyton Jones at 2023-11-09T19:17:36-05:00
Add an extra check in kcCheckDeclHeader_sig
Fix #24083 by checking for a implicitly-scoped type variable that is not
actually bound. See Note [Disconnected type variables] in GHC.Tc.Gen.HsType
For some reason, on aarch64-darwin we saw a 2.8% decrease in compiler
allocations for MultiLayerModulesTH_Make; but 0.0% on other architectures.
Metric Decrease:
MultiLayerModulesTH_Make
- - - - -
22551364 by Sven Tennie at 2023-11-11T06:35:22-05:00
AArch64: Delete unused LDATA pseudo-instruction
Though there were consuming functions for LDATA, there were no
producers. Thus, the removed code was "dead".
- - - - -
2a0ec8eb by Alan Zimmerman at 2023-11-11T06:35:59-05:00
EPA: harmonise acsa and acsA in GHC/Parser.y
With the HasLoc class, we can remove the acsa helper function,
using acsA instead.
- - - - -
7ae517a0 by Teo Camarasu at 2023-11-12T08:04:12-05:00
nofib: bump submodule
This includes changes that:
- fix building a benchmark with HEAD
- remove a Makefile-ism that causes errors in bash scripts
Resolves #24178
- - - - -
3f0036ec by Alan Zimmerman at 2023-11-12T08:04:47-05:00
EPA: Replace Anchor with EpaLocation
An Anchor has a location and an operation, which is either that it is
unchanged or that it has moved with a DeltaPos
data Anchor = Anchor { anchor :: RealSrcSpan
, anchor_op :: AnchorOperation }
An EpaLocation also has either a location or a DeltaPos
data EpaLocation = EpaSpan !RealSrcSpan !(Strict.Maybe BufSpan)
| EpaDelta !DeltaPos ![LEpaComment]
Now that we do not care about always having a location in the anchor,
we remove Anchor and replace it with EpaLocation
We do this with a type alias initially, to ease the transition.
The alias will be removed in time.
We also have helpers to reconstruct the AnchorOperation from an
EpaLocation. This is also temporary.
Updates Haddock submodule
- - - - -
a7492048 by Alan Zimmerman at 2023-11-12T13:43:07+00:00
EPA: get rid of AnchorOperation
Now that the Anchor type is an alias for EpaLocation, remove
AnchorOperation.
Updates haddock submodule
- - - - -
0745c34d by Andrew Lelechenko at 2023-11-13T16:25:07-05:00
Add since annotation for showHFloat
- - - - -
e98051a5 by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00
Suppress duplicate librares linker warning of new macOS linker
Fixes #24167
XCode 15 introduced a new linker which warns on duplicate libraries being
linked. To disable this warning, we pass -Wl,-no_warn_duplicate_libraries as
suggested by Brad King in CMake issue #25297.
This flag isn't necessarily available to other linkers on darwin, so we must
only configure it into the CC linker arguments if valid.
- - - - -
c411c431 by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00
testsuite: Encoding test witnesses recent iconv bug is fragile
A regression in the new iconv() distributed with XCode 15 and MacOS
Sonoma causes the test 'encoding004' to fail in the CP936 roundrip.
We mark this test as fragile until this is fixed upstream (rather than
broken, since previous versions of iconv pass the test)
See #24161
- - - - -
ce7fe5a9 by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00
testsuite: Update to LC_ALL=C no longer being ignored in darwin
MacOS seems to have fixed an issue where it used to ignore the variable
`LC_ALL` in program invocations and default to using Unicode.
Since the behaviour seems to be fixed to account for the locale
variable, we mark tests that were previously broken in spite of it as
fragile (since they now pass in recent macOS distributions)
See #24161
- - - - -
e6c803f7 by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00
darwin: Fix single_module is obsolete warning
In XCode 15's linker, -single_module is the default and otherwise
passing it as a flag results in a warning being raised:
ld: warning: -single_module is obsolete
This patch fixes this warning by, at configure time, determining whether
the linker supports -single_module (which is likely false for all
non-darwin linkers, and true for darwin linkers in previous versions of
macOS), and using that information at runtime to decide to pass or not
the flag in the invocation.
Fixes #24168
- - - - -
929ba2f9 by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00
testsuite: Skip MultiLayerModulesTH_Make on darwin
The recent toolchain upgrade on darwin machines resulted in the
MultiLayerModulesTH_Make test metrics varying too much from the
baseline, ultimately blocking the CI pipelines.
This commit skips the test on darwin to temporarily avoid failures due
to the environment change in the runners. However, the metrics
divergence is being investigated still (tracked in #24177)
- - - - -
af261ccd by Rodrigo Mesquita at 2023-11-15T13:18:58-05:00
configure: check target (not build) understands -no_compact_unwind
Previously, we were branching on whether the build system was darwin to
shortcut this check, but we really want to branch on whether the target
system (which is what we are configuring ld_prog for) is darwin.
- - - - -
2125c176 by Luite Stegeman at 2023-11-15T13:19:38-05:00
JS: Fix missing variable declarations
The JStg IR update was missing some local variable declarations
that were present earlier, causing global variables to be used
implicitly (or an error in JavaScript strict mode).
This adds the local variable declarations again.
- - - - -
99ced73b by Krzysztof Gogolewski at 2023-11-15T13:20:14-05:00
Remove loopy superclass solve mechanism
Programs with a -Wloopy-superclass-solve warning will now fail with an error.
Fixes #23017
- - - - -
2aff2361 by Zubin Duggal at 2023-11-15T13:20:50-05:00
users-guide: Fix links to libraries from the users-guide.
The unit-ids generated in c1a3ecde720b3bddc2c8616daaa06ee324e602ab include the
package name, so we don't need to explicitly add it to the links.
Fixes #24151
- - - - -
27981fac by Alan Zimmerman at 2023-11-15T13:21:25-05:00
EPA: splitLHsForAllTyInvis does not return ann
We did not use the annotations returned from splitLHsForAllTyInvis, so
do not return them.
- - - - -
a6467834 by Krzysztof Gogolewski at 2023-11-15T22:22:59-05:00
Document defaulting of RuntimeReps
Fixes #24099
- - - - -
2776920e by Simon Peyton Jones at 2023-11-15T22:23:35-05:00
Second fix to #24083
My earlier fix turns out to be too aggressive for data/type families
See wrinkle (DTV1) in Note [Disconnected type variables]
- - - - -
cee81370 by Sylvain Henry at 2023-11-16T09:57:46-05:00
Fix unusable units and module reexport interaction (#21097)
This commit fixes an issue with ModUnusable introduced in df0f148feae.
In mkUnusableModuleNameProvidersMap we traverse the list of unusable
units and generate ModUnusable origin for all the modules they contain:
exposed modules, hidden modules, and also re-exported modules. To do
this we have a two-level map:
ModuleName -> Unit:ModuleName (aka Module) -> ModuleOrigin
So for each module name "M" in broken unit "u" we have:
"M" -> u:M -> ModUnusable reason
However in the case of module reexports we were using the *target*
module as a key. E.g. if "u:M" is a reexport for "X" from unit "o":
"M" -> o:X -> ModUnusable reason
Case 1: suppose a reexport without module renaming (u:M -> o:M) from
unusable unit u:
"M" -> o:M -> ModUnusable reason
Here it's claiming that the import of M is unusable because a reexport
from u is unusable. But if unit o isn't unusable we could also have in
the map:
"M" -> o:M -> ModOrigin ...
Issue: the Semigroup instance of ModuleOrigin doesn't handle the case
(ModUnusable <> ModOrigin)
Case 2: similarly we could have 2 unusable units reexporting the same module
without renaming, say (u:M -> o:M) and (v:M -> o:M) with u and v
unusable. It gives:
"M" -> o:M -> ModUnusable ... (for u)
"M" -> o:M -> ModUnusable ... (for v)
Issue: the Semigroup instance of ModuleOrigin doesn't handle the case
(ModUnusable <> ModUnusable).
This led to #21097, #16996, #11050.
To fix this, in this commit we make ModUnusable track whether the module
used as key is a reexport or not (for better error messages) and we use
the re-export module as key. E.g. if "u:M" is a reexport for "o:X" and u
is unusable, we now record:
"M" -> u:M -> ModUnusable reason reexported=True
So now, we have two cases for a reexport u:M -> o:X:
- u unusable: "M" -> u:M -> ModUnusable ... reexported=True
- u usable: "M" -> o:X -> ModOrigin ... reexportedFrom=u:M
The second case is indexed with o:X because in this case the Semigroup
instance of ModOrigin is used to combine valid expositions of a module
(directly or via reexports).
Note that module lookup functions select usable modules first (those who
have a ModOrigin value), so it doesn't matter if we add new ModUnusable
entries in the map like this:
"M" -> {
u:M -> ModUnusable ... reexported=True
o:M -> ModOrigin ...
}
The ModOrigin one will be used. Only if there is no ModOrigin or
ModHidden entry will the ModUnusable error be printed. See T21097 for an
example printing several reasons why an import is unusable.
- - - - -
3e606230 by Krzysztof Gogolewski at 2023-11-16T09:58:22-05:00
Fix IPE test
A helper function was defined in a different module than used.
To reproduce: ./hadrian/build test --test-root-dirs=testsuite/tests/rts/ipe
- - - - -
49f5264b by Andreas Klebinger at 2023-11-16T20:52:11-05:00
Properly compute unpacked sizes for -funpack-small-strict-fields.
Use rep size rather than rep count to compute the size.
Fixes #22309
- - - - -
b4f84e4b by James Henri Haydon at 2023-11-16T20:52:53-05:00
Explicit methods for Alternative Compose
Explicitly define some and many in Alternative instance for
Data.Functor.Compose
Implementation of https://github.com/haskell/core-libraries-committee/issues/181
- - - - -
9bc0dd1f by Ignat Insarov at 2023-11-16T20:53:34-05:00
Add permutations for non-empty lists.
Approved by CLC in https://github.com/haskell/core-libraries-committee/issues/68#issuecomment-1221409837
- - - - -
5643ecf9 by Andrew Lelechenko at 2023-11-16T20:53:34-05:00
Update changelog and since annotations for Data.List.NonEmpty.permutations
Approved by CLC in https://github.com/haskell/core-libraries-committee/issues/68#issuecomment-1221409837
- - - - -
94ff2134 by Oleg Alexander at 2023-11-16T20:54:15-05:00
Update doc string for traceShow
Updated doc string for traceShow.
- - - - -
faff671a by Luite Stegeman at 2023-11-17T14:12:51+01:00
JS: clean up some foreign imports
- - - - -
856e0a4e by Sven Tennie at 2023-11-18T06:54:11-05:00
AArch64: Remove unused instructions
As these aren't ever emitted, we don't even know if they work or will
ever be used. If one of them is needed in future, we may easily re-add
it.
Deleted instructions are:
- CMN
- ANDS
- BIC
- BICS
- EON
- ORN
- ROR
- TST
- STP
- LDP
- DMBSY
- - - - -
615441ef by Alan Zimmerman at 2023-11-18T06:54:46-05:00
EPA: Replace Monoid with NoAnn
Remove the final Monoid instances in the exact print infrastructure.
For Windows CI
Metric Decrease:
T5205
- - - - -
5a6c49d4 by David Feuer at 2023-11-20T18:53:18-05:00
Speed up stimes in instance Semigroup Endo
As discussed at
https://github.com/haskell/core-libraries-committee/issues/4
- - - - -
cf9da4b3 by Andrew Lelechenko at 2023-11-20T18:53:18-05:00
base: reflect latest changes in the changelog
- - - - -
48bf364e by Alan Zimmerman at 2023-11-20T18:53:54-05:00
EPA: Use SrcSpan in EpaSpan
This is more natural, since we already need to deal with invalid
RealSrcSpans, and that is exactly what SrcSpan.UnhelpfulSpan is for.
Updates haddock submodule.
- - - - -
97ec37cc by Sebastian Graf at 2023-11-20T18:54:31-05:00
Add regression test for #6070
Fixes #6070.
- - - - -
e9d5ae41 by Owen Shepherd at 2023-11-21T18:32:23-05:00
chore: Correct typo in the gitlab MR template
[skip ci]
- - - - -
f158a8d0 by Rodrigo Mesquita at 2023-11-21T18:32:59-05:00
Improve error message when reading invalid `.target` files
A `.target` file generated by ghc-toolchain or by configure can become
invalid if the target representation (`Toolchain.Target`) is changed
while the files are not re-generated by calling `./configure` or
`ghc-toolchain` again. There is also the issue of hadrian caching the
dependencies on `.target` files, which makes parsing fail when reading
reading the cached value if the representation has been updated.
This patch provides a better error message in both situations, moving
away from a terrible `Prelude.read: no parse` error that you would get
otherwise.
Fixes #24199
- - - - -
955520c6 by Ben Gamari at 2023-11-21T18:33:34-05:00
users guide: Note that QuantifiedConstraints implies ExplicitForAll
Fixes #24025.
- - - - -
17ec3e97 by Owen Shepherd at 2023-11-22T09:37:28+01:00
fix: Change type signatures in NonEmpty export comments to reflect reality
This fixes several typos in the comments of
Data.List.NonEmpty export list items.
- - - - -
2fd78f9f by Samuel Thibault at 2023-11-22T11:49:13-05:00
Fix the platform string for GNU/Hurd
As commited in Cargo
https://github.com/haskell/cabal/pull/9434
there is confusion between "gnu" and "hurd". This got fixed in Cargo, we
need the converse in Hadrian.
Fixes #24180
- - - - -
a79960fe by Alan Zimmerman at 2023-11-22T11:49:48-05:00
EPA: Tuple Present no longer has annotation
The Present constructor for a Tuple argument will never have an exact
print annotation. So make this impossible.
- - - - -
121c9ab7 by David Binder at 2023-11-22T21:12:29-05:00
Unify the hpc testsuites
The hpc testsuite was split between testsuite/tests/hpc
and the submodule libraries/hpc/test. This commit unifies
the two testsuites in the GHC repository in the directory
testsuite/tests/hpc.
- - - - -
d2733a05 by Alan Zimmerman at 2023-11-22T21:13:05-05:00
EPA: empty tup_tail has noAnn
In Parser.y, the tup_tail rule had the following option
| {- empty -} %shift { return [Left noAnn] }
Once this works through PostProcess.hs, it means we add an extra
Missing constructor if the last item was a comma.
Change the annotation type to a Bool to indicate this, and use the
EpAnn Anchor for the print location for the others.
- - - - -
fa576eb8 by Andreas Klebinger at 2023-11-24T08:29:13-05:00
Fix FMA primops generating broken assembly on x86.
`genFMA3Code` assumed that we had to take extra precations to avoid overwriting
the result of `getNonClobberedReg`. One of these special cases caused a bug resulting
in broken assembly.
I believe we don't need to hadle these cases specially at all, which means this MR simply
deletes the special cases to fix the bug.
Fixes #24160
- - - - -
34d86315 by Alan Zimmerman at 2023-11-24T08:29:49-05:00
EPA: Remove parenthesizeHsType
This is called from PostProcess.hs, and adds spurious parens.
With the looser version of exact printing we had before we could
tolerate this, as they would be swallowed by the original at the same
place.
But with the next change (remove EpAnnNotUsed) they result in
duplicates in the output.
For Darwin build:
Metric Increase:
MultiLayerModulesTH_OneShot
- - - - -
3ede659d by Vladislav Zavialov at 2023-11-26T06:43:32-05:00
Add name for -Wdeprecated-type-abstractions (#24154)
This warning had no name or flag and was triggered unconditionally.
Now it is part of -Wcompat.
- - - - -
7902ebf8 by Alan Zimmerman at 2023-11-26T06:44:08-05:00
EPA: Remove EpAnnNotUsed
We no longer need the EpAnnNotUsed constructor for EpAnn, as we can
represent an unused annotation with an anchor having a EpaDelta of
zero, and empty comments and annotations.
This simplifies code handling annotations considerably.
Updates haddock submodule
Metric Increase:
parsing001
- - - - -
471b2672 by Mario Blažević at 2023-11-26T06:44:48-05:00
Bumped the upper bound of text to <2.2
- - - - -
d1bf25c7 by Vladislav Zavialov at 2023-11-26T11:45:49-05:00
Term variable capture (#23740)
This patch changes type variable lookup rules (lookupTypeOccRn) and
implicit quantification rules (filterInScope) so that variables bound
in the term namespace can be captured at the type level
{-# LANGUAGE RequiredTypeArguments #-}
f1 x = g1 @x -- `x` used in a type application
f2 x = g2 (undefined :: x) -- `x` used in a type annotation
f3 x = g3 (type x) -- `x` used in an embedded type
f4 x = ...
where g4 :: x -> x -- `x` used in a type signature
g4 = ...
This change alone does not allow us to accept examples shown above,
but at least it gets them past the renamer.
- - - - -
da863d15 by Vladislav Zavialov at 2023-11-26T11:46:26-05:00
Update Note [hsScopedTvs and visible foralls]
The Note was written before GHC gained support for visible forall in
types of terms. Rewrite a few sentences and use a better example.
- - - - -
b5213542 by Matthew Pickering at 2023-11-27T12:53:59-05:00
testsuite: Add mechanism to collect generic metrics
* Generalise the metric logic by adding an additional field which
allows you to specify how to query for the actual value. Previously
the method of querying the baseline value was abstracted (but always
set to the same thing).
* This requires rejigging how the stat collection works slightly but now
it's more uniform and hopefully simpler.
* Introduce some new "generic" helper functions for writing generic
stats tests.
- collect_size ( deviation, path )
Record the size of the file as a metric
- stat_from_file ( metric, deviation, path )
Read a value from the given path, and store that as a metric
- collect_generic_stat ( metric, deviation, get_stat)
Provide your own `get_stat` function, `lambda way: <Int>`, which
can be used to establish the current value of the metric.
- collect_generic_stats ( metric_info ):
Like collect_generic_stat but provide the whole dictionary of metric
definitions.
{ metric: {
deviation: <Int>
current: lambda way: <Int>
} }
* Introduce two new "size" metrics for keeping track of build products.
- `size_hello_obj` - The size of `hello.o` from compiling hello.hs
- `libdir` - The total size of the `libdir` folder.
* Track the number of modules in the AST tests
- CountDepsAst
- CountDepsParser
This lays the infrastructure for #24191 #22256 #17129
- - - - -
7d9a2e44 by ARATA Mizuki at 2023-11-27T12:54:39-05:00
x86: Don't require -mavx2 when using 256-bit floating-point SIMD primitives
Fixes #24222
- - - - -
4e5ff6a4 by Alan Zimmerman at 2023-11-27T12:55:15-05:00
EPA: Remove SrcSpanAnn
Now that we only have a single constructor for EpAnn, And it uses a
SrcSpan for its location, we can do away with SrcSpanAnn completely.
It only existed to wrap the original SrcSpan in a location, and
provide a place for the exact print annotation.
For darwin only:
Metric Increase:
MultiLayerModulesTH_OneShot
Updates haddock submodule
- - - - -
e05bca39 by Krzysztof Gogolewski at 2023-11-28T08:00:55-05:00
testsuite: don't initialize testdir to '.'
The test directory is removed during cleanup, if there's an interrupt
that could remove the entire repository.
Fixes #24219
- - - - -
af881674 by Alan Zimmerman at 2023-11-28T08:01:30-05:00
EPA: Clean up mkScope in Ast.hs
Now that we have HasLoc we can get rid of all the custom variants of
mkScope
For deb10-numa
Metric Increase:
libdir
- - - - -
292983c8 by Ben Gamari at 2023-11-28T22:44:28-05:00
distrib: Rediscover otool and install_name_tool on Darwin
In the bindist configure script we must rediscover the `otool` and
`install_name_tool`s since they may be different from the build
environment.
Fixes #24211.
- - - - -
dfe1c354 by Stefan Schulze Frielinghaus at 2023-11-28T22:45:04-05:00
llvmGen: Align objects in the data section
Objects in the data section may be referenced via tagged pointers.
Thus, align those objects to a 4- or 8-byte boundary for 32- or 64-bit
platforms, respectively. Note, this may need to be reconsidered if
objects with a greater natural alignment requirement are emitted as e.g.
128-bit atomics.
Fixes #24163.
- - - - -
f6c486c3 by Matthew Pickering at 2023-11-29T11:08:13-05:00
metrics: Widen libdir and size_hello_obj acceptance window
af8816740d9b8759be1a22af8adcb5f13edeb61d shows that the libdir size can
fluctuate quite significantly even when the change is quite small.
Therefore we widen the acceptance window to 10%.
- - - - -
99a6a49c by Alan Zimmerman at 2023-11-29T11:08:49-05:00
EPA: Clean up TC Monad Utils
We no longer need the alternative variant of addLocM (addLocMA)
nor wrapLocAM, wrapLocSndMA.
aarch64-darwin
Metric Increase:
MultiLayerModulesTH_OneShot
deb10-numa-slow
Metric Decrease:
libdir
- - - - -
cbc03fa0 by Sebastian Graf at 2023-11-30T12:37:21-05:00
perf tests: Move comments into new `Note [Sensitivity to unique increment]` (#19414)
And additionally to T12545, link from T8095, T13386 to this new Note.
- - - - -
c7623b22 by Alan Zimmerman at 2023-11-30T12:37:56-05:00
EPA: EpaDelta for comment has no comments
EpaLocation is used to position things. It has two constructors,
EpaSpan holding a SrcSpan, and EpaDelta with a delta position and a
possible list of comments. The comment list is needed because the
location in EpaDelta has no absolute information to decide which
comments should be emitted before them when printing.
But it is also used for specifying the position of a comment. To
prevent the absurdity of a comment position having a list of comments
in it, we make EpaLocation parameterisable, using comments for the
normal case and a constant for within comments.
Updates haddock submodule.
aarch64-darwin
Metric Decrease:
MultiLayerModulesTH_OneShot
- - - - -
bd8acc0c by Krzysztof Gogolewski at 2023-11-30T12:38:32-05:00
Kind-check body of a required forall
We now require that in 'forall a -> ty', ty has kind TYPE r for some r.
Fixes #24176
- - - - -
010fb784 by Owen Shepherd at 2023-12-03T00:10:09-05:00
docs(NonEmpty/group): Remove incorrect haddock link quotes in code block
- - - - -
cda9c12d by Owen Shepherd at 2023-12-03T00:10:09-05:00
docs(NonEmpty/group): Remove cycle from group haddock example
- - - - -
495265b9 by Owen Shepherd at 2023-12-03T00:10:09-05:00
docs(NonEmpty/group): Use repl haddock syntax in group docs
- - - - -
d134d1de by Owen Shepherd at 2023-12-03T00:10:09-05:00
docs(NonEmpty/group): Use list [] notation in group haddock
- - - - -
dfcf629c by Owen Shepherd at 2023-12-03T00:10:10-05:00
docs(NonEmpty/group): Specify final property of group function in haddock
- - - - -
cad3b734 by Owen Shepherd at 2023-12-03T00:10:10-05:00
fix: Add missing property of List.group
- - - - -
bad37656 by Matthew Pickering at 2023-12-03T00:10:46-05:00
testsuite: Fix T21097b test with make 4.1 (deb9)
cee81370cd6ef256f66035e3116878d4cb82e28b recently added a test which
failed on deb9 because the version of make was emitting the recipe
failure to stdout rather than stderr.
One way to fix this is to be more precise in the test about which part
of the output we care about inspecting.
- - - - -
5efdf421 by Matthew Pickering at 2023-12-03T00:11:21-05:00
testsuite: Track size of libdir in bytes
For consistency it's better if we track all size metrics in bytes.
Metric Increase:
libdir
- - - - -
f5eb0f29 by Matthew Pickering at 2023-12-03T00:11:22-05:00
testsuite: Remove rogue trace in testsuite
I accidentally left a trace in the generics metric patch.
- - - - -
d5610737 by Claudio Bley at 2023-12-06T16:13:33-05:00
Only exit ghci in -e mode when :add command fails
Previously, when running `ghci -e ':add Sample.hs'` the process would
exit with exit code 1 if the file exists and could be loaded.
Fixes #24115
- - - - -
0f0c53a5 by Vladislav Zavialov at 2023-12-06T16:14:09-05:00
T2T in Patterns (#23739)
This patch implements the T2T (term-to-type) transformation in patterns.
Patterns that are checked against a visible forall can now be written
without the `type` keyword:
\(type t) (x :: t) -> ... -- old
\t (x :: t) -> ... -- new
The `t` binder is parsed and renamed as a term pattern (Pat), but
then undergoes a conversion to a type pattern (HsTyPat).
See the new function pat_to_type_pat in compiler/GHC/Tc/Gen/Pat.hs
- - - - -
10a1a6c6 by Sebastian Graf at 2023-12-06T16:14:45-05:00
Pmc: Fix SrcLoc and warning for incomplete irrefutable pats (#24234)
Before, the source location would point at the surrounding function definition,
causing the confusion in #24234.
I also took the opportunity to introduce a new `LazyPatCtx :: HsMatchContext _`
to make the warning message say "irrefutable pattern" instead of "pattern
binding".
- - - - -
36b9a38c by Matthew Pickering at 2023-12-06T16:15:21-05:00
libraries: Bump filepath to 1.4.200.1 and unix to 2.8.4.0
Updates filepath submodule
Updates unix submodule
Fixes #24240
- - - - -
91ff0971 by Matthew Pickering at 2023-12-06T16:15:21-05:00
Submodule linter: Allow references to tags
We modify the submodule linter so that if the bumped commit is a
specific tag then the commit is accepted.
Fixes #24241
- - - - -
86f652dc by Zubin Duggal at 2023-12-06T16:15:21-05:00
hadrian: set -Wno-deprecations for directory and Win32
The filepath bump to 1.4.200.1 introduces a deprecation warning.
See https://gitlab.haskell.org/ghc/ghc/-/issues/24240
https://github.com/haskell/filepath/pull/206
- - - - -
7ac6006e by Sylvain Henry at 2023-12-06T16:16:02-05:00
Zap OccInfo on case binders during StgCse #14895 #24233
StgCse can revive dead binders:
case foo of dead { Foo x y -> Foo x y; ... }
===>
case foo of dead { Foo x y -> dead; ... } -- dead is no longer dead
So we must zap occurrence information on case binders.
Fix #14895 and #24233
- - - - -
57c391c4 by Sebastian Graf at 2023-12-06T16:16:37-05:00
Cpr: Turn an assertion into a check to deal with some dead code (#23862)
See the new `Note [Dead code may contain type confusions]`.
Fixes #23862.
- - - - -
c1c8abf8 by Zubin Duggal at 2023-12-08T02:25:07-05:00
testsuite: add test for #23944
- - - - -
6329d308 by Zubin Duggal at 2023-12-08T02:25:07-05:00
driver: Only run a dynamic-too pipeline if object files are going to be generated
Otherwise we run into a panic in hscMaybeWriteIface: "Unexpected DT_Dyn state
when writing simple interface" when dynamic-too is enabled
We could remove the panic and just write the interface even if the state is `DT_Dyn`,
but it seems pointless to run the pipeline twice when `hscMaybeWriteIface` is already
designed to write both `hi` and `dyn_hi` files if dynamic-too is enabled.
Fixes #23944.
- - - - -
28811f88 by Simon Peyton Jones at 2023-12-08T05:47:18-05:00
Improve duplicate elimination in SpecConstr
This partially fixes #24229.
See the new Note [Pattern duplicate elimination] in SpecConstr
- - - - -
fec7894f by Simon Peyton Jones at 2023-12-08T05:47:18-05:00
Make SpecConstr deal with casts better
This patch does two things, to fix #23209:
* It improves SpecConstr so that it no longer quantifies over
coercion variables. See Note [SpecConstr and casts]
* It improves the rule matcher to deal nicely with the case where
the rule does not quantify over coercion variables, but the the
template has a cast in it. See Note [Casts in the template]
- - - - -
8db8d2fd by Zubin Duggal at 2023-12-08T05:47:54-05:00
driver: Don't lose track of nodes when we fail to resolve cycles
The nodes that take part in a cycle should include both hs-boot and hs files,
but when we fail to resolve a cycle, we were only counting the nodes from the
graph without boot files.
Fixes #24196
- - - - -
c5b4efd3 by Zubin Duggal at 2023-12-08T05:48:30-05:00
testsuite: Skip MultiLayerModulesTH_OneShot on darwin
See #24177
- - - - -
fae472a9 by Wendao Lee at 2023-12-08T05:49:12-05:00
docs(Data.Char):Add more detailed descriptions for some functions
Related changed function's docs:
-GHC.Unicode.isAlpha
-GHC.Unicode.isPrint
-GHC.Unicode.isAlphaNum
Add more details for what the function will return.
Co-authored-by: Bodigrim <andrew.lelechenko at gmail.com>
- - - - -
ca7510e4 by Malik Ammar Faisal at 2023-12-08T05:49:55-05:00
Fix float parsing in GHC Cmm Lexer
Add test case for bug #24224
- - - - -
d8baa1bd by Simon Peyton Jones at 2023-12-08T15:40:37+00:00
Take care when simplifying unfoldings
This MR fixes a very subtle bug exposed by #24242.
See Note [Environment for simplLetUnfolding].
I also updated a bunch of Notes on shadowing
- - - - -
03ca551d by Simon Peyton Jones at 2023-12-08T15:54:50-05:00
Comments only in FloatIn
Relevant to #3458
- - - - -
50c78779 by Simon Peyton Jones at 2023-12-08T15:54:50-05:00
Comments only in SpecConstr
- - - - -
9431e195 by Simon Peyton Jones at 2023-12-08T15:54:50-05:00
Add test for #22238
- - - - -
d9e4c597 by Vladislav Zavialov at 2023-12-11T04:19:34-05:00
Make forall a keyword (#23719)
Before this change, GHC used to accept `forall` as a term-level
identifier:
-- from constraints-0.13
forall :: forall p. (forall a. Dict (p a)) -> Dict (Forall p)
forall d = ...
Now it is a parse error.
The -Wforall-identifier warning has served its purpose and is now
a deprecated no-op.
- - - - -
58d56644 by Zubin Duggal at 2023-12-11T04:20:10-05:00
driver: Ensure we actually clear the interactive context before reloading
Previously we called discardIC, but immediately after set the session
back to an old HscEnv that still contained the IC
Partially addresses #24107
Fixes #23405
- - - - -
8e5745a0 by Zubin Duggal at 2023-12-11T04:20:10-05:00
driver: Ensure we force the lookup of old build artifacts before returning the build plan
This prevents us from retaining all previous build artifacts in memory until a
recompile finishes, instead only retaining the exact artifacts we need.
Fixes #24118
- - - - -
105c370c by Zubin Duggal at 2023-12-11T04:20:10-05:00
testsuite: add test for #24118 and #24107
MultiLayerModulesDefsGhci was not able to catch the leak because it uses
:l which discards the previous environment.
Using :r catches both of these leaks
- - - - -
e822ff88 by Zubin Duggal at 2023-12-11T04:20:10-05:00
compiler: Add some strictness annotations to ImportSpec and related constructors
This prevents us from retaining entire HscEnvs.
Force these ImportSpecs when forcing the GlobalRdrEltX
Adds an NFData instance for Bag
Fixes #24107
- - - - -
522c12a4 by Zubin Duggal at 2023-12-11T04:20:10-05:00
compiler: Force IfGlobalRdrEnv in NFData instance.
- - - - -
188b280d by Arnaud Spiwack at 2023-12-11T15:33:31+01:00
LinearTypes => MonoLocalBinds
- - - - -
8e0446df by Arnaud Spiwack at 2023-12-11T15:44:28+01:00
Linear let and where bindings
For expediency, the initial implementation of linear types in GHC
made it so that let and where binders would always be considered
unrestricted. This was rather unpleasant, and probably a big obstacle
to adoption. At any rate, this was not how the proposal was designed.
This patch fixes this infelicity. It was surprisingly difficult to
build, which explains, in part, why it took so long to materialise.
As of this patch, let or where bindings marked with %1 will be
linear (respectively %p for an arbitrary multiplicity p). Unmarked let
will infer their multiplicity.
Here is a prototypical example of program that used to be rejected and
is accepted with this patch:
```haskell
f :: A %1 -> B
g :: B %1 -> C
h :: A %1 -> C
h x = g y
where
y = f x
```
Exceptions:
- Recursive let are unrestricted, as there isn't a clear semantics of
what a linear recursive binding would be.
- Destructive lets with lazy bindings are unrestricted, as their
desugaring isn't linear (see also #23461).
- (Strict) destructive lets with inferred polymorphic type are
unrestricted. Because the desugaring isn't linear (See #18461
down-thread).
Closes #18461 and #18739
Co-authored-by: @jackohughes
- - - - -
effa7e2d by Matthew Craven at 2023-12-12T04:37:20-05:00
Introduce `dataToTagSmall#` primop (closes #21710)
...and use it to generate slightly better code when dataToTag#
is used at a "small data type" where there is no need to mess
with "is_too_big_tag" or potentially look at an info table.
Metric Decrease:
T18304
- - - - -
35c7aef6 by Matthew Craven at 2023-12-12T04:37:20-05:00
Fix formatting of Note [alg-alt heap check]
- - - - -
7397c784 by Oleg Grenrus at 2023-12-12T04:37:56-05:00
Allow untyped brackets in typed splices and vice versa.
Resolves #24190
Apparently the check was essentially always (as far as I can trace back: d0d47ba76f8f0501cf3c4966bc83966ab38cac27),
and while it does catch some mismatches, the type-checker will catch
them too. OTOH, it prevents writing completely reasonable programs.
- - - - -
a3ee3b99 by Moritz Angermann at 2023-12-12T19:50:58-05:00
Drop hard Xcode dependency
XCODE_VERSION calls out to `xcodebuild`, which is only available
when having `Xcode` installed. The CommandLineTools are not
sufficient. To install Xcode, you must have an apple id to download
the Xcode.xip from apple.
We do not use xcodebuild anywhere in our build explicilty. At best
it appears to be a proxy for checking the linker or the compiler.
These should rather be done with
```
xcrun ld -version
```
or similar, and not by proxy through Xcode. The CLR should be
sufficient for building software on macOS.
- - - - -
1c9496e0 by Vladislav Zavialov at 2023-12-12T19:51:34-05:00
docs: update information on RequiredTypeArguments
Update the User's Guide and Release Notes to account for the recent
progress in the implementation of RequiredTypeArguments.
- - - - -
d0b17576 by Ben Gamari at 2023-12-13T06:33:37-05:00
rts/eventlog: Fix off-by-one in assertion
Previously we failed to account for the NULL terminator `postString`
asserted that there is enough room in the buffer for the string.
- - - - -
a10f9b9b by Ben Gamari at 2023-12-13T06:33:37-05:00
rts/eventlog: Honor result of ensureRoomForVariableEvent is
Previously we would keep plugging along, even if isn't enough room for
the event.
- - - - -
0e0f41c0 by Ben Gamari at 2023-12-13T06:33:37-05:00
rts/eventlog: Avoid truncating event sizes
Previously ensureRoomForVariableEvent would truncate the desired size to
16-bits, resulting in #24197.
Fixes #24197.
- - - - -
64e724c8 by Artin Ghasivand at 2023-12-13T06:34:20-05:00
Remove the "Derived Constraint" argument of TcPluginSolver, docs
- - - - -
fe6d97dd by Vladislav Zavialov at 2023-12-13T06:34:56-05:00
EPA: Move tokens into GhcPs extension fields (#23447)
Summary of changes
* Remove Language.Haskell.Syntax.Concrete
* Move all tokens into GhcPs extension fields (LHsToken -> EpToken)
* Create new TTG extension fields as needed
* Drop the MultAnn wrapper
Updates the haddock submodule.
Co-authored-by: Alan Zimmerman <alan.zimm at gmail.com>
- - - - -
8106e695 by Zubin Duggal at 2023-12-13T06:35:34-05:00
testsuite: use copy_files in T23405
This prevents the tree from being dirtied when the file is modified.
- - - - -
ed0e4099 by Bryan Richter at 2023-12-14T04:30:53-05:00
Document ghc package's PVP-noncompliance
This changes nothing, it just makes the status quo explicit.
- - - - -
8bef8d9f by Luite Stegeman at 2023-12-14T04:31:33-05:00
JS: Mark spurious CI failures js_fragile(24259)
This marks the spurious test failures on the JS platform as
js_fragile(24259), so we don't hold up merge requests while
fixing the underlying issues.
See #24259
- - - - -
1c79526a by Finley McIlwaine at 2023-12-15T12:24:40-08:00
Late plugins
- - - - -
000c3302 by Finley McIlwaine at 2023-12-15T12:24:40-08:00
withTiming on LateCCs and late plugins
- - - - -
be4551ac by Finley McIlwaine at 2023-12-15T12:24:40-08:00
add test for late plugins
- - - - -
7c29da9f by Finley McIlwaine at 2023-12-15T12:24:40-08:00
Document late plugins
- - - - -
9a52ae46 by Ben Gamari at 2023-12-20T07:07:26-05:00
Fix thunk update ordering
Previously we attempted to ensure soundness of concurrent thunk update
by synchronizing on the access of the thunk's info table pointer field.
This was believed to be sufficient since the indirectee (which may
expose a closure allocated by another core) would not be examined
until the info table pointer update is complete.
However, it turns out that this can result in data races in the presence
of multiple threads racing a update a single thunk. For instance,
consider this interleaving under the old scheme:
Thread A Thread B
--------- ---------
t=0 Enter t
1 Push update frame
2 Begin evaluation
4 Pause thread
5 t.indirectee=tso
6 Release t.info=BLACKHOLE
7 ... (e.g. GC)
8 Resume thread
9 Finish evaluation
10 Relaxed t.indirectee=x
11 Load t.info
12 Acquire fence
13 Inspect t.indirectee
14 Release t.info=BLACKHOLE
Here Thread A enters thunk `t` but is soon paused, resulting in `t`
being lazily blackholed at t=6. Then, at t=10 Thread A finishes
evaluation and updates `t.indirectee` with a relaxed store.
Meanwhile, Thread B enters the blackhole. Under the old scheme this
would introduce an acquire-fence but this would only synchronize with
Thread A at t=6. Consequently, the result of the evaluation, `x`, is not
visible to Thread B, introducing a data race.
We fix this by treating the `indirectee` field as we do all other
mutable fields. This means we must always access this field with
acquire-loads and release-stores.
See #23185.
- - - - -
f4b53538 by Vladislav Zavialov at 2023-12-20T07:08:02-05:00
docs: Fix link to 051-ghc-base-libraries.rst
The proposal is no longer available at the previous URL.
- - - - -
f7e21fab by Matthew Pickering at 2023-12-21T14:57:40+00:00
hadrian: Build all executables in bin/ folder
In the end the bindist creation logic copies them all into the bin
folder. There is no benefit to building a specific few binaries in the
lib/bin folder anymore.
This also removes the ad-hoc logic to copy the touchy and unlit
executables from stage0 into stage1. It takes <1s to build so we might
as well just build it.
- - - - -
0038d052 by Zubin Duggal at 2023-12-22T23:28:00-05:00
testsuite: mark jspace as fragile on i386.
This test has been flaky for some time and has been failing consistently on
i386-linux since 8e0446df landed.
See #24261
- - - - -
dfd670a0 by Ben Bellick at 2023-12-24T10:10:31-05:00
Deprecate -ddump-json and introduce -fdiagnostics-as-json
Addresses #19278
This commit deprecates the underspecified -ddump-json flag and
introduces a newer, well-specified flag -fdiagnostics-as-json.
Also included is a JSON schema as part of the documentation.
The -ddump-json flag will be slated for removal shortly after this merge.
- - - - -
609e6225 by Ben Bellick at 2023-12-24T10:10:31-05:00
Deprecate -ddump-json and introduce -fdiagnostics-as-json
Addresses #19278
This commit deprecates the underspecified -ddump-json flag and
introduces a newer, well-specified flag -fdiagnostics-as-json.
Also included is a JSON schema as part of the documentation.
The -ddump-json flag will be slated for removal shortly after this merge.
- - - - -
865513b2 by Ömer Sinan Ağacan at 2023-12-24T10:11:13-05:00
Fix BNF in user manual 6.6.8.2: formal syntax for instance declarations
- - - - -
c247b6be by Zubin Duggal at 2023-12-25T16:01:23-05:00
docs: document permissibility of -XOverloadedLabels (#24249)
Document the permissibility introduced by
https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0170-unrestricted-overloadedlabels.rst
- - - - -
e5b7eb59 by Ömer Sinan Ağacan at 2023-12-25T16:02:03-05:00
Fix a code block syntax in user manual sec. 6.8.8.6
- - - - -
2db11c08 by Ben Gamari at 2023-12-29T15:35:48-05:00
genSym: Reimplement via CAS on 32-bit platforms
Previously the remaining use of the C implementation on 32-bit platforms
resulted in a subtle bug, #24261. This was due to the C object (which
used the RTS's `atomic_inc64` macro) being compiled without `-threaded`
yet later being used in a threaded compiler.
Side-step this issue by using the pure Haskell `genSym` implementation on
all platforms. This required implementing `fetchAddWord64Addr#` in terms
of CAS on 64-bit platforms.
- - - - -
19328a8c by Xiaoyan Ren at 2023-12-29T15:36:30-05:00
Do not color the diagnostic code in error messages (#24172)
- - - - -
685b467c by Krzysztof Gogolewski at 2023-12-29T15:37:06-05:00
Enforce that bindings of implicit parameters are lifted
Fixes #24298
- - - - -
bc4d67b7 by Matthew Craven at 2023-12-31T06:15:42-05:00
StgToCmm: Detect some no-op case-continuations
...and generate no code for them. Fixes #24264.
- - - - -
5b603139 by Krzysztof Gogolewski at 2023-12-31T06:16:18-05:00
Revert "testsuite: mark jspace as fragile on i386."
This reverts commit 0038d052c8c80b4b430bb2aa1c66d5280be1aa95.
The atomicity bug should be fixed by !11802.
- - - - -
d55216ad by Krzysztof Gogolewski at 2024-01-01T12:05:49-05:00
Refactor: store [[PrimRep]] rather than [Type] in STG
StgConApp stored a list of types. This list was used exclusively
during unarisation of unboxed sums (mkUbxSum).
However, this is at a wrong level of abstraction:
STG shouldn't be concerned with Haskell types, only PrimReps.
Update the code to store a [[PrimRep]]. Also, there's no point in storing
this list when we're not dealing with an unboxed sum.
- - - - -
8b340bc7 by Ömer Sinan Ağacan at 2024-01-01T12:06:29-05:00
Kind signatures docs: mention that they're allowed in newtypes
- - - - -
989bf8e5 by Zubin Duggal at 2024-01-03T20:08:47-05:00
ci: Ensure we use the correct bindist name for the test artifact when generating
release ghcup metadata
Fixes #24268
- - - - -
89299a89 by Krzysztof Gogolewski at 2024-01-03T20:09:23-05:00
Refactor: remove calls to typePrimRepArgs
The function typePrimRepArgs is just a thin wrapper around
typePrimRep, adding a VoidRep if the list is empty.
However, in StgToByteCode, we were discarding that VoidRep anyway,
so there's no point in calling it.
- - - - -
c7be0c68 by mmzk1526 at 2024-01-03T20:10:07-05:00
Use "-V" for alex version check for better backward compatibility
Fixes #24302.
In recent versions of alex, "-v" is used for "--verbose" instead of "-version".
- - - - -
67dbcc0a by Krzysztof Gogolewski at 2024-01-05T02:07:18-05:00
Fix VoidRep handling in ghci debugger
'go' inside extractSubTerms was giving a bad result given a VoidRep,
attempting to round towards the next multiple of 0.
I don't understand much about the debugger but the code should be better
than it was.
Fixes #24306
- - - - -
90ea574e by Krzysztof Gogolewski at 2024-01-05T02:07:54-05:00
VoidRep-related refactor
* In GHC.StgToByteCode, replace bcIdPrimId with idPrimRep,
bcIdArgRep with idArgRep, atomPrimRep with stgArgRep1.
All of them were duplicates.
* In GHC.Stg.Unarise, we were converting a PrimRep to a Type and back to
PrimRep. Remove the calls to primRepToType and typePrimRep1 which cancel out.
* In GHC.STG.Lint, GHC.StgToCmm, GHC.Types.RepType we were filtering out
VoidRep from the result of typePrimRep. But typePrimRep never returns
VoidRep - remove the filtering.
- - - - -
eaf72479 by brian at 2024-01-06T23:03:09-05:00
Add unaligned Addr# primops
Implements CLC proposal #154:
https://github.com/haskell/core-libraries-committee/issues/154
* add unaligned addr primops
* add tests
* accept tests
* add documentation
* fix js primops
* uncomment in access ops
* use Word64 in tests
* apply suggestions
* remove extra file
* move docs
* remove random options
* use setByteArray# primop
* better naming
* update base-exports test
* add base-exports for other architectures
- - - - -
d471d445 by Krzysztof Gogolewski at 2024-01-06T23:03:47-05:00
Remove VoidRep from PrimRep, introduce PrimOrVoidRep
This introduces
data PrimOrVoidRep = VoidRep | NVRep PrimRep
changes typePrimRep1 to return PrimOrVoidRep, and adds a new function
typePrimRepU to be used when the argument is definitely non-void.
Details in Note [VoidRep] in GHC.Types.RepType.
Fixes #19520
- - - - -
48720a07 by Matthew Craven at 2024-01-08T18:57:36-05:00
Apply Note [Sensitivity to unique increment] to LargeRecord
- - - - -
9e2e180f by Sebastian Graf at 2024-01-08T18:58:13-05:00
Debugging: Add diffUFM for convenient diffing between UniqFMs
- - - - -
948f3e35 by Sebastian Graf at 2024-01-08T18:58:13-05:00
Rename Opt_D_dump_stranal to Opt_D_dump_dmdanal
... and Opt_D_dump_str_signatures to Opt_D_dump_dmd_signatures
- - - - -
4e217e3e by Sebastian Graf at 2024-01-08T18:58:13-05:00
Deprecate -ddump-stranal and -ddump-str-signatures
... and suggest -ddump-dmdanal and -ddump-dmd-signatures instead
- - - - -
6c613c90 by Sebastian Graf at 2024-01-08T18:58:13-05:00
Move testsuite/tests/stranal to testsuite/tests/dmdanal
A separate commit so that the rename is obvious to Git(Lab)
- - - - -
c929f02b by Sebastian Graf at 2024-01-08T18:58:13-05:00
CoreSubst: Stricten `substBndr` and `cloneBndr`
Doing so reduced allocations of `cloneBndr` by about 25%.
```
T9233(normal) ghc/alloc 672,488,656 663,083,216 -1.4% GOOD
T9675(optasm) ghc/alloc 423,029,256 415,812,200 -1.7%
geo. mean -0.1%
minimum -1.7%
maximum +0.1%
```
Metric Decrease:
T9233
- - - - -
e3ca78f3 by Krzysztof Gogolewski at 2024-01-10T17:35:59-05:00
Deprecate -Wsemigroup
This warning was used to prepare for Semigroup becoming a superclass
of Monoid, and for (<>) being exported from Prelude. This happened in
GHC 8.4 in 8ae263ceb3566 and feac0a3bc69fd3.
The leftover logic for (<>) has been removed in GHC 9.8, 4d29ecdfcc79.
Now the warning does nothing at all and can be deprecated.
- - - - -
08d14925 by amesgen at 2024-01-10T17:36:42-05:00
WASM metadata: use correct GHC version
- - - - -
7a808419 by Xiaoyan Ren at 2024-01-10T17:37:24-05:00
Allow SCC declarations in TH (#24081)
- - - - -
28827c51 by Xiaoyan Ren at 2024-01-10T17:37:24-05:00
Fix prettyprinting of SCC pragmas
- - - - -
ae9cc1a8 by Matthew Craven at 2024-01-10T17:38:01-05:00
Fix loopification in the presence of void arguments
This also removes Note [Void arguments in self-recursive tail calls],
which was just misleading. It's important to count void args both
in the function's arity and at the call site.
Fixes #24295.
- - - - -
b718b145 by Zubin Duggal at 2024-01-10T17:38:36-05:00
testsuite: Teach testsuite driver about c++ sources
- - - - -
09cb57ad by Zubin Duggal at 2024-01-10T17:38:36-05:00
driver: Set -DPROFILING when compiling C++ sources with profiling
Earlier, we used to pass all preprocessor flags to the c++ compiler.
This meant that -DPROFILING was passed to the c++ compiler because
it was a part of C++ flags
However, this was incorrect and the behaviour was changed in
8ff3134ed4aa323b0199ad683f72165e51a59ab6. See #21291.
But that commit exposed this bug where -DPROFILING was no longer being passed
when compiling c++ sources.
The fix is to explicitly include -DPROFILING in `opt_cxx` when profiling is
enabled to ensure we pass the correct options for the way to both C and C++
compilers
Fixes #24286
- - - - -
2cf9dd96 by Zubin Duggal at 2024-01-10T17:38:36-05:00
testsuite: rename objcpp -> objcxx
To avoid confusion with C Pre Processsor
- - - - -
af6932d6 by Simon Peyton Jones at 2024-01-10T17:39:12-05:00
Make TYPE and CONSTRAINT not-apart
Issue #24279 showed up a bug in the logic in GHC.Core.Unify.unify_ty
which is supposed to make TYPE and CONSTRAINT be not-apart.
Easily fixed.
- - - - -
4a39b5ff by Zubin Duggal at 2024-01-10T17:39:48-05:00
ci: Fix typo in mk_ghcup_metadata.py
There was a missing colon in the fix to #24268 in 989bf8e53c08eb22de716901b914b3607bc8dd08
- - - - -
13503451 by Zubin Duggal at 2024-01-10T17:40:24-05:00
release-ci: remove release-x86_64-linux-deb11-release+boot_nonmoving_gc job
There is no reason to have this release build or distribute this variation.
This configuration is for testing purposes only.
- - - - -
afca46a4 by Sebastian Graf at 2024-01-10T17:41:00-05:00
Parser: Add a Note detailing why we need happy's `error` to implement layout
- - - - -
eaf8a06d by Krzysztof Gogolewski at 2024-01-11T00:43:17+01:00
Turn -Wtype-equality-out-of-scope on by default
Also remove -Wnoncanonical-{monoid,monad}-instances from -Wcompat,
since they are enabled by default. Refresh wcompat-warnings/ test
with new -Wcompat warnings.
Part of #24267
Co-authored-by: sheaf <sam.derbyshire at gmail.com>
- - - - -
42bee5aa by Sebastian Graf at 2024-01-12T21:16:21-05:00
Arity: Require called *exactly once* for eta exp with -fpedantic-bottoms (#24296)
In #24296, we had a program in which we eta expanded away an error despite the
presence of `-fpedantic-bottoms`.
This was caused by turning called *at least once* lambdas into one-shot lambdas,
while with `-fpedantic-bottoms` it is only sound to eta expand over lambdas that
are called *exactly* once.
An example can be found in `Note [Combining arity type with demand info]`.
Fixes #24296.
- - - - -
7e95f738 by Andreas Klebinger at 2024-01-12T21:16:57-05:00
Aarch64: Enable -mfma by default.
Fixes #24311
- - - - -
e43788d0 by Jason Shipman at 2024-01-14T12:47:38-05:00
Add more instances for Compose: Fractional, RealFrac, Floating, RealFloat
CLC proposal #226 https://github.com/haskell/core-libraries-committee/issues/226
- - - - -
ae6d8cd2 by Sebastian Graf at 2024-01-14T12:48:15-05:00
Pmc: COMPLETE pragmas associated with Family TyCons should apply to representation TyCons as well (#24326)
Fixes #24326.
- - - - -
c5fc7304 by sheaf at 2024-01-15T14:15:29-05:00
Use lookupOccRn_maybe in TH.lookupName
When looking up a value, we want to be able to find both variables
and record fields. So we should not use the lookupSameOccRn_maybe
function, as we can't know ahead of time which record field namespace
a record field with the given textual name will belong to.
Fixes #24293
- - - - -
da908790 by Krzysztof Gogolewski at 2024-01-15T14:16:05-05:00
Make the build more strict on documentation errors
* Detect undefined labels. This can be tested by adding :ref:`nonexistent`
to a documentation rst file; attempting to build docs will fail.
Fixed the undefined label in `9.8.1-notes.rst`.
* Detect errors. While we have plenty of warnings, we can at least enforce
that Sphinx does not report errors.
Fixed the error in `required_type_arguments.rst`.
Unrelated change: I have documented that the `-dlint` enables
`-fcatch-nonexhaustive-cases`, as can be verified by checking
`enableDLint`.
- - - - -
5077416e by Javier Sagredo at 2024-01-16T15:40:06-05:00
Profiling: Adds an option to not start time profiling at startup
Using the functionality provided by
d89deeba47ce04a5198a71fa4cbc203fe2c90794, this patch creates a new rts
flag `--no-automatic-time-samples` which disables the time profiling
when starting a program. It is then expected that the user starts it
whenever it is needed.
Fixes #24337
- - - - -
5776008c by Matthew Pickering at 2024-01-16T15:40:42-05:00
eventlog: Fix off-by-one error in postIPE
We were missing the extra_comma from the calculation of the size of the
payload of postIPE. This was causing assertion failures when the event
would overflow the buffer by one byte, as ensureRoomForVariable event
would report there was enough space for `n` bytes but then we would
write `n + 1` bytes into the buffer.
Fixes #24287
- - - - -
66dc09b1 by Simon Peyton Jones at 2024-01-16T15:41:18-05:00
Improve SpecConstr (esp nofib/spectral/ansi)
This MR makes three improvements to SpecConstr: see #24282
* It fixes an outright (and recently-introduced) bug in `betterPat`, which
was wrongly forgetting to compare the lengths of the argument lists.
* It enhances ConVal to inclue a boolean for work-free-ness, so that the
envt can contain non-work-free constructor applications, so that we
can do more: see Note [ConVal work-free-ness]
* It rejigs `subsumePats` so that it doesn't reverse the list. This can
make a difference because, when patterns overlap, we arbitrarily pick
the first. There is no "right" way, but this retains the old
pre-subsumePats behaviour, thereby "fixing" the regression in #24282.
Nofib results
+========================================
| spectral/ansi -21.14%
| spectral/hartel/comp_lab_zift -0.12%
| spectral/hartel/parstof +0.09%
| spectral/last-piece -2.32%
| spectral/multiplier +6.03%
| spectral/para +0.60%
| spectral/simple -0.26%
+========================================
| geom mean -0.18%
+----------------------------------------
The regression in `multiplier` is sad, but it simply replicates GHC's
previous behaviour (e.g. GHC 9.6).
- - - - -
65da79b3 by Matthew Pickering at 2024-01-16T15:41:54-05:00
hadrian: Reduce Cabal verbosity
The comment claims that `simpleUserHooks` decrease verbosity, and it
does, but only for the `postConf` phase. The other phases are too
verbose with `-V`.
At the moment > 5000 lines of the build log are devoted to output from
`cabal copy`.
So I take the simple approach and just decrease the verbosity level
again.
If the output of `postConf` is essential then it would be better to
implement our own `UserHooks` which doesn't decrease the verbosity for
`postConf`.
Fixes #24338
- - - - -
16414d7d by Matthew Pickering at 2024-01-17T10:54:59-05:00
Stop retaining old ModGuts throughout subsequent simplifier phases
Each phase of the simplifier typically rewrites the majority of ModGuts,
so we want to be able to release the old ModGuts as soon as possible.
`name_ppr_ctxt` lives throught the whole optimiser phase and it was
retaining a reference to `ModGuts`, so we were failing to release the
old `ModGuts` until the end of the phase (potentially doubling peak
memory usage for that particular phase).
This was discovered using eras profiling (#24332)
Fixes #24328
- - - - -
7f0879e1 by Matthew Pickering at 2024-01-17T10:55:35-05:00
Update nofib submodule
- - - - -
320454d3 by Cheng Shao at 2024-01-17T23:02:40+00:00
ci: bump ci-images for updated wasm image
- - - - -
2eca52b4 by Cheng Shao at 2024-01-17T23:06:44+00:00
base: treat all FDs as "nonblocking" on wasm
On posix platforms, when performing read/write on FDs, we check the
nonblocking flag first. For FDs without this flag (e.g. stdout), we
call fdReady() first, which in turn calls poll() to wait for I/O to be
available on that FD. This is problematic for wasm32-wasi: although
select()/poll() is supported via the poll_oneoff() wasi syscall, that
syscall is rather heavyweight and runtime behavior differs in
different wasi implementations. The issue is even worse when targeting
browsers, given there's no satisfactory way to implement async I/O as
a synchronous syscall, so existing JS polyfills for wasi often give up
and simply return ENOSYS.
Before we have a proper I/O manager that avoids poll_oneoff() for
async I/O on wasm, this patch improves the status quo a lot by merely
pretending all FDs are "nonblocking". Read/write on FDs will directly
invoke read()/write(), which are much more reliably handled in
existing wasi implementations, especially those in browsers.
Fixes #23275 and the following test cases: T7773 isEOF001 openFile009
T4808 cgrun025
Approved by CLC proposal #234:
https://github.com/haskell/core-libraries-committee/issues/234
- - - - -
83c6c710 by Andrew Lelechenko at 2024-01-18T05:21:49-05:00
base: clarify how to disable warnings about partiality of Data.List.{head,tail}
- - - - -
c4078f2f by Simon Peyton Jones at 2024-01-18T05:22:25-05:00
Fix four bug in handling of (forall cv. body_ty)
These bugs are all described in #24335
It's not easy to provoke the bug, hence no test case.
- - - - -
119586ea by Alexis King at 2024-01-19T00:08:00-05:00
Always refresh profiling CCSes after running pending initializers
Fixes #24171.
- - - - -
9718d970 by Oleg Grenrus at 2024-01-19T00:08:36-05:00
Set default-language: GHC2021 in ghc library
Go through compiler/ sources, and remove
all BangPatterns (and other GHC2021 enabled extensions in these files).
- - - - -
3ef71669 by Matthew Pickering at 2024-01-19T21:55:16-05:00
testsuite: Remove unused have_library function
Also remove the hence unused testsuite option `--test-package-db`.
Fixes #24342
- - - - -
5b7fa20c by Jade at 2024-01-19T21:55:53-05:00
Fix Spelling in the compiler
Tracking: #16591
- - - - -
09875f48 by Matthew Pickering at 2024-01-20T12:20:44-05:00
testsuite: Implement `isInTreeCompiler` in a more robust way
Just a small refactoring to avoid redundantly specifying the same
strings in two different places.
- - - - -
0d12b987 by Jade at 2024-01-20T12:21:20-05:00
Change maintainer email from cvs-ghc at haskell.org to ghc-devs at haskell.org. Fixes #22142
- - - - -
1fa1c00c by Jade at 2024-01-23T19:17:03-05:00
Enhance Documentation of functions exported by Data.Function
This patch aims to improve the documentation of functions exported
in Data.Function
Tracking: #17929
Fixes: #10065
- - - - -
ab47a43d by Jade at 2024-01-23T19:17:39-05:00
Improve documentation of hGetLine.
- Add explanation for whether a newline is returned
- Add examples
Fixes #14804
- - - - -
dd4af0e5 by Cheng Shao at 2024-01-23T19:18:17-05:00
Fix genapply for cross-compilation by nuking fragile CPP logic
This commit fixes incorrectly built genapply when cross compiling
(#24347) by nuking all fragile CPP logic in it from the orbit. All
target-specific info are now read from DerivedConstants.h at runtime,
see added note for details. Also removes a legacy Makefile and adds
haskell language server support for genapply.
- - - - -
0cda2b8b by Cheng Shao at 2024-01-23T19:18:17-05:00
rts: enable wasm32 register mapping
The wasm backend didn't properly make use of all Cmm global registers
due to #24347. Now that it is fixed, this patch re-enables full
register mapping for wasm32, and we can now generate smaller & faster
wasm modules that doesn't always spill arguments onto the stack. Fixes #22460 #24152.
- - - - -
0325a6e5 by Greg Steuck at 2024-01-24T01:29:44-05:00
Avoid utf8 in primops.txt.pp comments
They don't make it through readFile' without explicitly setting the
encoding. See https://gitlab.haskell.org/ghc/ghc/-/issues/17755
- - - - -
1aaf0bd8 by David Binder at 2024-01-24T01:30:20-05:00
Bump hpc and hpc-bin submodule
Bump hpc to 0.7.0.1
Bump hpc-bin to commit d1780eb2
- - - - -
e693a4e8 by Ben Gamari at 2024-01-24T01:30:56-05:00
testsuite: Ignore stderr in T8089
Otherwise spurious "Killed: 9" messages to stderr may cause the test to fail.
Fixes #24361.
- - - - -
a40f4ab2 by sheaf at 2024-01-24T14:04:33-05:00
Fix FMA instruction on LLVM
We were emitting the wrong instructions for fused multiply-add
operations on LLVM:
- the instruction name is "llvm.fma.f32" or "llvm.fma.f64", not "fmadd"
- LLVM does not support other instructions such as "fmsub"; instead
we implement these by flipping signs of some arguments
- the instruction is an LLVM intrinsic, which requires handling it
like a normal function call instead of a machine instruction
Fixes #24223
- - - - -
69abc786 by Andrei Borzenkov at 2024-01-24T14:05:09-05:00
Add changelog entry for renaming tuples from (,,...,,) to Tuple<n> (24291)
- - - - -
0ac8f385 by Cheng Shao at 2024-01-25T00:27:48-05:00
compiler: remove unused GHC.Linker module
The GHC.Linker module is empty and unused, other than as a hack for
the make build system. We can remove it now that make is long gone;
the note is moved to GHC.Linker.Loader instead.
- - - - -
699da01b by Hécate Moonlight at 2024-01-25T00:28:27-05:00
Clarification for newtype constructors when using `coerce`
- - - - -
b2d8cd85 by Matt Walker at 2024-01-26T09:50:08-05:00
Fix #24308
Add tests for semicolon separated where clauses
- - - - -
0da490a1 by Ben Gamari at 2024-01-26T17:34:41-05:00
hsc2hs: Bump submodule
- - - - -
3f442fd2 by Ben Gamari at 2024-01-26T17:34:41-05:00
Bump containers submodule to 0.7
- - - - -
82a1c656 by Sebastian Nagel at 2024-01-29T02:32:40-05:00
base: with{Binary}File{Blocking} only annotates own exceptions
Fixes #20886
This ensures that inner, unrelated exceptions are not misleadingly
annotated with the opened file.
- - - - -
9294a086 by Andreas Klebinger at 2024-01-29T02:33:15-05:00
Fix fma warning when using llvm on aarch64.
On aarch64 fma is always on so the +fma flag doesn't exist for that
target. Hence no need to try and pass +fma to llvm.
Fixes #24379
- - - - -
ced2e731 by sheaf at 2024-01-29T17:27:12-05:00
No shadowing warnings for NoFieldSelector fields
This commit ensures we don't emit shadowing warnings when a user
shadows a field defined with NoFieldSelectors.
Fixes #24381
- - - - -
8eeadfad by Patrick at 2024-01-29T17:27:51-05:00
Fix bug wrong span of nested_doc_comment #24378
close #24378
1. Update the start position of span in `nested_doc_comment` correctly.
and hence the spans of identifiers of haddoc can be computed correctly.
2. add test `HaddockSpanIssueT24378`.
- - - - -
a557580f by Alexey Radkov at 2024-01-30T19:41:52-05:00
Fix irrelevant dodgy-foreign-imports warning on import f-pointers by value
A test *сс018* is attached (not sure about the naming convention though).
Note that without the fix, the test fails with the *dodgy-foreign-imports*
warning passed to stderr. The warning disappears after the fix.
GHC shouldn't warn on imports of natural function pointers from C by value
(which is feasible with CApiFFI), such as
```haskell
foreign import capi "cc018.h value f" f :: FunPtr (Int -> IO ())
```
where
```c
void (*f)(int);
```
See a related real-world use-case
[here](https://gitlab.com/daniel-casanueva/pcre-light/-/merge_requests/17).
There, GHC warns on import of C function pointer `pcre_free`.
- - - - -
ca99efaf by Alexey Radkov at 2024-01-30T19:41:53-05:00
Rename test cc018 -> T24034
- - - - -
88c38dd5 by Ben Gamari at 2024-01-30T19:42:28-05:00
rts/TraverseHeap.c: Ensure that PosixSource.h is included first
- - - - -
755dc549 by Ben Gamari at 2024-01-31T08:26:23-05:00
base: Cleanup whitespace in cbits
- - - - -
d6ffc418 by Ben Gamari at 2024-01-31T08:30:01-05:00
Move `base` to `ghc-internal`
Here we move a good deal of the implementation of `base` into a new
package, `ghc-internal` such that it can be evolved independently
from the user-visible interfaces of `base`.
While we want to isolate implementation from interfaces, naturally, we
would like to avoid turning `base` into a mere set of module re-exports.
However, this is a non-trivial undertaking for a variety of reasons:
* `base` contains numerous known-key and wired-in things, requiring
corresponding changes in the compiler
* `base` contains a significant amount of C code and corresponding
autoconf logic, which is very fragile and difficult to break apart
* `base` has numerous import cycles, which are currently dealt with via
carefully balanced `hs-boot` files
* We must not break existing users
To accomplish this migration, I tried the following approaches:
* [Split-GHC.Base]: Break apart the GHC.Base knot to allow incremental
migration of modules into ghc-internal: this knot is simply too
intertwined to be easily pulled apart, especially given the rather
tricky import cycles that it contains)
* [Move-Core]: Moving the "core" connected component of base (roughly
150 modules) into ghc-internal. While the Haskell side of this seems
tractable, the C dependencies are very subtle to break apart.
* [Move-Incrementally]:
1. Move all of base into ghc-internal
2. Examine the module structure and begin moving obvious modules (e.g.
leaves of the import graph) back into base
3. Examine the modules remaining in ghc-internal, refactor as necessary
to facilitate further moves
4. Go to (2) iterate until the cost/benefit of further moves is
insufficient to justify continuing
5. Rename the modules moved into ghc-internal to ensure that they don't
overlap with those in base
6. For each module moved into ghc-internal, add a shim module to base
with the declarations which should be exposed and any requisite
Haddocks (thus guaranteeing that base will be insulated from changes
in the export lists of modules in ghc-internal
Here I am using the [Move-Incrementally] approach, which is empirically
the least painful of the unpleasant options above
- - - - -
00d70686 by Ben Gamari at 2024-01-31T09:00:02-05:00
compiler/tc: Small optimisation of evCallStack
Don't lookupIds unless we actually need them.
- - - - -
f451b2fe by Ben Gamari at 2024-01-31T09:00:03-05:00
compiler/tc: Use toException instead of SomeException
- - - - -
9e48c793 by Ben Gamari at 2024-01-31T09:00:03-05:00
base: Factor out errorBelch
This was useful when debugging
- - - - -
e071e48f by Ben Gamari at 2024-01-31T09:12:46-05:00
base: Clean up imports of GHC.Stack.CloneStack
- - - - -
47b27a9a by Ben Gamari at 2024-01-31T09:12:50-05:00
base: Move PrimMVar to GHC.MVar
- - - - -
48b98a00 by Ben Gamari at 2024-01-31T09:14:10-05:00
base: Move prettyCallStack to GHC.Stack
- - - - -
2176c9a2 by Ben Gamari at 2024-01-31T09:14:10-05:00
base: Use displayException in top-level exception handler
Happily this also allows us to eliminate a special case for Deadlock
exceptions.
- - - - -
020f6fd1 by Ben Gamari at 2024-01-31T13:49:49-05:00
base: Introduce exception context
- - - - -
b836b9db by Ben Gamari at 2024-01-31T13:49:49-05:00
compiler: Default and warn ExceptionContext constraints
- - - - -
4c126e6e by Ben Gamari at 2024-01-31T13:49:49-05:00
base: Don't collect backtraces in onException
- - - - -
d3944b30 by Ben Gamari at 2024-01-31T13:49:49-05:00
rts: Don't dump IPE entries on startup with DEBUG rts
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f280244d by Ben Gamari at 2024-01-31T14:19:01-05:00
Update testsuite output
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30 changed files:
- .ghcid
- .gitignore
- .gitlab-ci.yml
- .gitlab/ci.sh
- .gitlab/generate-ci/gen_ci.hs
- .gitlab/issue_templates/bug.md → .gitlab/issue_templates/default.md
- .gitlab/jobs.yaml
- .gitlab/merge_request_templates/Default.md
- .gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
- .gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py
- .gitlab/rel_eng/upload.sh
- .gitlab/rel_eng/upload_ghc_libs.py
- .gitlab/test-metrics.sh
- README.md
- compiler/CodeGen.Platform.h
- compiler/GHC.hs
- compiler/GHC/Builtin/Names.hs
- compiler/GHC/Builtin/Names/TH.hs
- compiler/GHC/Builtin/PrimOps.hs
- compiler/GHC/Builtin/PrimOps/Casts.hs
- compiler/GHC/Builtin/Types.hs
- compiler/GHC/Builtin/Types/Prim.hs
- compiler/GHC/Builtin/Uniques.hs
- compiler/GHC/Builtin/Utils.hs
- compiler/GHC/Builtin/primops.txt.pp
- compiler/GHC/ByteCode/Asm.hs
- compiler/GHC/ByteCode/InfoTable.hs
- compiler/GHC/ByteCode/Linker.hs
- compiler/GHC/Cmm/CLabel.hs
- compiler/GHC/Cmm/CallConv.hs
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/a8f19624a8714bb8929cde1e9001a046b759e6eb...f280244d8f275f2eb3f99c5ceb23888210a563b1
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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/a8f19624a8714bb8929cde1e9001a046b759e6eb...f280244d8f275f2eb3f99c5ceb23888210a563b1
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