[Git][ghc/ghc][wip/T21847] 156 commits: Add support for external static plugins (#20964)
Andreas Klebinger (@AndreasK)
gitlab at gitlab.haskell.org
Mon Sep 19 16:16:59 UTC 2022
Andreas Klebinger pushed to branch wip/T21847 at Glasgow Haskell Compiler / GHC
Commits:
f95bbdca by Sylvain Henry at 2022-08-10T09:44:46-04:00
Add support for external static plugins (#20964)
This patch adds a new command-line flag:
-fplugin-library=<file-path>;<unit-id>;<module>;<args>
used like this:
-fplugin-library=path/to/plugin.so;package-123;Plugin.Module;["Argument","List"]
It allows a plugin to be loaded directly from a shared library. With
this approach, GHC doesn't compile anything for the plugin and doesn't
load any .hi file for the plugin and its dependencies. As such GHC
doesn't need to support two environments (one for plugins, one for
target code), which was the more ambitious approach tracked in #14335.
Fix #20964
Co-authored-by: Josh Meredith <joshmeredith2008 at gmail.com>
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5bc489ca by Ben Gamari at 2022-08-10T09:45:22-04:00
gitlab-ci: Fix ARMv7 build
It appears that the CI refactoring carried out in
5ff690b8474c74e9c968ef31e568c1ad0fe719a1 failed to carry over some
critical configuration: setting the build/host/target platforms and
forcing use of a non-broken linker.
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596db9a5 by Ben Gamari at 2022-08-10T09:45:22-04:00
gitlab-ci: Run ARMv7 jobs when ~ARM label is used
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7cabea7c by Ben Gamari at 2022-08-10T15:37:58-04:00
hadrian: Don't attempt to install documentation if doc/ doesn't exist
Previously we would attempt to install documentation even if the `doc`
directory doesn't exist (e.g. due to `--docs=none`). This would result
in the surprising side-effect of the entire contents of the bindist
being installed in the destination documentation directory. Fix this.
Fixes #21976.
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67575f20 by normalcoder at 2022-08-10T15:38:34-04:00
ncg/aarch64: Don't use x18 register on AArch64/Darwin
Apple's ABI documentation [1] says: "The platforms reserve register x18.
Don’t use this register." While this wasn't problematic in previous
Darwin releases, macOS 13 appears to start zeroing this register
periodically. See #21964.
[1] https://developer.apple.com/documentation/xcode/writing-arm64-code-for-apple-platforms
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45eb4cbe by Andreas Klebinger at 2022-08-10T22:41:12-04:00
Note [Trimming auto-rules]: State that this improves compiler perf.
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5c24b1b3 by Bodigrim at 2022-08-10T22:41:50-04:00
Document that threadDelay / timeout are susceptible to overflows on 32-bit machines
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ff67c79e by Alan Zimmerman at 2022-08-11T16:19:57-04:00
EPA: DotFieldOcc does not have exact print annotations
For the code
{-# LANGUAGE OverloadedRecordUpdate #-}
operatorUpdate f = f{(+) = 1}
There are no exact print annotations for the parens around the +
symbol, nor does normal ppr print them.
This MR fixes that.
Closes #21805
Updates haddock submodule
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dca43a04 by Matthew Pickering at 2022-08-11T16:20:33-04:00
Revert "gitlab-ci: Add release job for aarch64/debian 11"
This reverts commit 5765e13370634979eb6a0d9f67aa9afa797bee46.
The job was not tested before being merged and fails CI
(https://gitlab.haskell.org/ghc/ghc/-/jobs/1139392)
Ticket #22005
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ffc9116e by Eric Lindblad at 2022-08-16T09:01:26-04:00
typo
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cd6f5bfd by Ben Gamari at 2022-08-16T09:02:02-04:00
CmmToLlvm: Don't aliasify builtin LLVM variables
Our aliasification logic would previously turn builtin LLVM variables
into aliases, which apparently confuses LLVM. This manifested in
initializers failing to be emitted, resulting in many profiling failures
with the LLVM backend.
Fixes #22019.
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dc7da356 by Bryan Richter at 2022-08-16T09:02:38-04:00
run_ci: remove monoidal-containers
Fixes #21492
MonoidalMap is inlined and used to implement Variables, as before.
The top-level value "jobs" is reimplemented as a regular Map, since it
doesn't use the monoidal union anyway.
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64110544 by Cheng Shao at 2022-08-16T09:03:15-04:00
CmmToAsm/AArch64: correct a typo
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f6a5524a by Andreas Klebinger at 2022-08-16T14:34:11-04:00
Fix #21979 - compact-share failing with -O
I don't have good reason to believe the optimization level should affect
if sharing works or not here. So limit the test to the normal way.
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68154a9d by Ben Gamari at 2022-08-16T14:34:47-04:00
users-guide: Fix reference to dead llvm-version substitution
Fixes #22052.
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28c60d26 by Ben Gamari at 2022-08-16T14:34:47-04:00
users-guide: Fix incorrect reference to `:extension: role
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71102c8f by Ben Gamari at 2022-08-16T14:34:47-04:00
users-guide: Add :ghc-flag: reference
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385f420b by Ben Gamari at 2022-08-16T14:34:47-04:00
hadrian: Place manpage in docroot
This relocates it from docs/ to doc/
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84598f2e by Ben Gamari at 2022-08-16T14:34:47-04:00
Bump haddock submodule
Includes merge of `main` into `ghc-head` as well as some Haddock users
guide fixes.
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59ce787c by Ben Gamari at 2022-08-16T14:34:47-04:00
base: Add changelog entries from ghc-9.2
Closes #21922.
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a14e6ae3 by Ben Gamari at 2022-08-16T14:34:47-04:00
relnotes: Add "included libraries" section
As noted in #21988, some users rely on this.
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a4212edc by Ben Gamari at 2022-08-16T14:34:47-04:00
users-guide: Rephrase the rewrite rule documentation
Previously the wording was a tad unclear. Fix this.
Closes #21114.
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3e493dfd by Peter Becich at 2022-08-17T08:43:21+01:00
Implement Response File support for HPC
This is an improvement to HPC authored by Richard Wallace
(https://github.com/purefn) and myself. I have received permission from
him to attempt to upstream it. This improvement was originally
implemented as a patch to HPC via input-output-hk/haskell.nix:
https://github.com/input-output-hk/haskell.nix/pull/1464
Paraphrasing Richard, HPC currently requires all inputs as command line arguments.
With large projects this can result in an argument list too long error.
I have only seen this error in Nix, but I assume it can occur is a plain Unix environment.
This MR adds the standard response file syntax support to HPC. For
example you can now pass a file to the command line which contains the
arguments.
```
hpc @response_file_1 @response_file_2 ...
The contents of a Response File must have this format:
COMMAND ...
example:
report my_library.tix --include=ModuleA --include=ModuleB
```
Updates hpc submodule
Co-authored-by: Richard Wallace <rwallace at thewallacepack.net>
Fixes #22050
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436867d6 by Matthew Pickering at 2022-08-18T09:24:08-04:00
ghc-heap: Fix decoding of TSO closures
An extra field was added to the TSO structure in 6d1700b6 but the
decoding logic in ghc-heap was not updated for this new field.
Fixes #22046
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a740a4c5 by Matthew Pickering at 2022-08-18T09:24:44-04:00
driver: Honour -x option
The -x option is used to manually specify which phase a file should be
started to be compiled from (even if it lacks the correct extension). I
just failed to implement this when refactoring the driver.
In particular Cabal calls GHC with `-E -cpp -x hs Foo.cpphs` to
preprocess source files using GHC.
I added a test to exercise this case.
Fixes #22044
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e293029d by Simon Peyton Jones at 2022-08-18T09:25:19-04:00
Be more careful in chooseInferredQuantifiers
This fixes #22065. We were failing to retain a quantifier that
was mentioned in the kind of another retained quantifier.
Easy to fix.
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714c936f by Bryan Richter at 2022-08-18T18:37:21-04:00
testsuite: Add test for #21583
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989b844d by Ben Gamari at 2022-08-18T18:37:57-04:00
compiler: Drop --build-id=none hack
Since 2011 the object-joining implementation has had a hack to pass
`--build-id=none` to `ld` when supported, seemingly to work around a
linker bug. This hack is now unnecessary and may break downstream users
who expect objects to have valid build-ids. Remove it.
Closes #22060.
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519c712e by Matthew Pickering at 2022-08-19T00:09:11-04:00
Make ru_fn field strict to avoid retaining Ids
It's better to perform this projection from Id to Name strictly so we
don't retain an old Id (hence IdInfo, hence Unfolding, hence everything
etc)
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7dda04b0 by Matthew Pickering at 2022-08-19T00:09:11-04:00
Force `getOccFS bndr` to avoid retaining reference to Bndr.
This is another symptom of #19619
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4303acba by Matthew Pickering at 2022-08-19T00:09:11-04:00
Force unfoldings when they are cleaned-up in Tidy and CorePrep
If these thunks are not forced then the entire unfolding for the binding
is live throughout the whole of CodeGen despite the fact it should have
been discarded.
Fixes #22071
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2361b3bc by Matthew Pickering at 2022-08-19T00:09:47-04:00
haddock docs: Fix links from identifiers to dependent packages
When implementing the base_url changes I made the pretty bad mistake of
zipping together two lists which were in different orders. The simpler
thing to do is just modify `haddockDependencies` to also return the
package identifier so that everything stays in sync.
Fixes #22001
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9a7e2ea1 by Matthew Pickering at 2022-08-19T00:10:23-04:00
Revert "Refactor SpecConstr to use treat bindings uniformly"
This reverts commit 415468fef8a3e9181b7eca86de0e05c0cce31729.
This refactoring introduced quite a severe residency regression (900MB
live from 650MB live when compiling mmark), see #21993 for a reproducer
and more discussion.
Ticket #21993
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9789e845 by Zachary Wood at 2022-08-19T14:17:28-04:00
tc: warn about lazy annotations on unlifted arguments (fixes #21951)
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e5567289 by Andreas Klebinger at 2022-08-19T14:18:03-04:00
Fix #22048 where we failed to drop rules for -fomit-interface-pragmas.
Now we also filter the local rules (again) which fixes the issue.
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51ffd009 by Swann Moreau at 2022-08-19T18:29:21-04:00
Print constraints in quotes (#21167)
This patch improves the uniformity of error message formatting by
printing constraints in quotes, as we do for types.
Fix #21167
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ab3e0f5a by Sasha Bogicevic at 2022-08-19T18:29:57-04:00
19217 Implicitly quantify type variables in :kind command
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9939e95f by MorrowM at 2022-08-21T16:51:38-04:00
Recognize file-header pragmas in GHCi (#21507)
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fb7c2d99 by Matthew Pickering at 2022-08-21T16:52:13-04:00
hadrian: Fix bootstrapping with ghc-9.4
The error was that we were trying to link together
containers from boot package library (which depends template-haskell in boot package library)
template-haskell from in-tree package database
So the fix is to build containers in stage0 (and link against template-haskell built in stage0).
Fixes #21981
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b946232c by Mario Blažević at 2022-08-22T22:06:21-04:00
Added pprType with precedence argument, as a prerequisite to fix issues #21723 and #21942.
* refines the precedence levels, adding `qualPrec` and `funPrec` to better control parenthesization
* `pprParendType`, `pprFunArgType`, and `instance Ppr Type` all just call `pprType` with proper precedence
* `ParensT` constructor is now always printed parenthesized
* adds the precedence argument to `pprTyApp` as well, as it needs to keep track and pass it down
* using `>=` instead of former `>` to match the Core type printing logic
* some test outputs have changed, losing extraneous parentheses
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fe4ff0f7 by Mario Blažević at 2022-08-22T22:06:21-04:00
Fix and test for issue #21723
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33968354 by Mario Blažević at 2022-08-22T22:06:21-04:00
Test for issue #21942
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c9655251 by Mario Blažević at 2022-08-22T22:06:21-04:00
Updated the changelog
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80102356 by Ben Gamari at 2022-08-22T22:06:57-04:00
hadrian: Don't duplicate binaries on installation
Previously we used `install` on symbolic links, which ended up
copying the target file rather than installing a symbolic link.
Fixes #22062.
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b929063e by M Farkas-Dyck at 2022-08-24T02:37:01-04:00
Unbreak Haddock comments in `GHC.Core.Opt.WorkWrap.Utils`.
Closes #22092.
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112e4f9c by Cheng Shao at 2022-08-24T02:37:38-04:00
driver: don't actually merge objects when ar -L works
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a9f0e68e by Ben Gamari at 2022-08-24T02:38:13-04:00
rts: Consistently use MiB in stats output
Previously we would say `MB` even where we
meant `MiB`.
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a90298cc by Simon Peyton Jones at 2022-08-25T08:38:16+01:00
Fix arityType: -fpedantic-bottoms, join points, etc
This MR fixes #21694, #21755. It also makes sure that #21948 and
fix to #21694.
* For #21694 the underlying problem was that we were calling arityType
on an expression that had free join points. This is a Bad Bad Idea.
See Note [No free join points in arityType].
* To make "no free join points in arityType" work out I had to avoid
trying to use eta-expansion for runRW#. This entailed a few changes
in the Simplifier's treatment of runRW#. See
GHC.Core.Opt.Simplify.Iteration Note [No eta-expansion in runRW#]
* I also made andArityType work correctly with -fpedantic-bottoms;
see Note [Combining case branches: andWithTail].
* Rewrote Note [Combining case branches: optimistic one-shot-ness]
* arityType previously treated join points differently to other
let-bindings. This patch makes them unform; arityType analyses
the RHS of all bindings to get its ArityType, and extends am_sigs.
I realised that, now we have am_sigs giving the ArityType for
let-bound Ids, we don't need the (pre-dating) special code in
arityType for join points. But instead we need to extend the env for
Rec bindings, which weren't doing before. More uniform now. See
Note [arityType for let-bindings].
This meant we could get rid of ae_joins, and in fact get rid of
EtaExpandArity altogether. Simpler.
* And finally, it was the strange treatment of join-point Ids in
arityType (involving a fake ABot type) that led to a serious bug:
#21755. Fixed by this refactoring, which treats them uniformly;
but without breaking #18328.
In fact, the arity for recursive join bindings is pretty tricky;
see the long Note [Arity for recursive join bindings]
in GHC.Core.Opt.Simplify.Utils. That led to more refactoring,
including deciding that an Id could have an Arity that is bigger
than its JoinArity; see Note [Invariants on join points], item
2(b) in GHC.Core
* Make sure that the "demand threshold" for join points in DmdAnal
is no bigger than the join-arity. In GHC.Core.Opt.DmdAnal see
Note [Demand signatures are computed for a threshold arity based on idArity]
* I moved GHC.Core.Utils.exprIsDeadEnd into GHC.Core.Opt.Arity,
where it more properly belongs.
* Remove an old, redundant hack in FloatOut. The old Note was
Note [Bottoming floats: eta expansion] in GHC.Core.Opt.SetLevels.
Compile time improves very slightly on average:
Metrics: compile_time/bytes allocated
---------------------------------------------------------------------------------------
T18223(normal) ghc/alloc 725,808,720 747,839,216 +3.0% BAD
T6048(optasm) ghc/alloc 105,006,104 101,599,472 -3.2% GOOD
geo. mean -0.2%
minimum -3.2%
maximum +3.0%
For some reason Windows was better
T10421(normal) ghc/alloc 125,888,360 124,129,168 -1.4% GOOD
T18140(normal) ghc/alloc 85,974,520 83,884,224 -2.4% GOOD
T18698b(normal) ghc/alloc 236,764,568 234,077,288 -1.1% GOOD
T18923(normal) ghc/alloc 75,660,528 73,994,512 -2.2% GOOD
T6048(optasm) ghc/alloc 112,232,512 108,182,520 -3.6% GOOD
geo. mean -0.6%
I had a quick look at T18223 but it is knee deep in coercions and
the size of everything looks similar before and after. I decided
to accept that 3% increase in exchange for goodness elsewhere.
Metric Decrease:
T10421
T18140
T18698b
T18923
T6048
Metric Increase:
T18223
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909edcfc by Ben Gamari at 2022-08-25T10:03:34-04:00
upload_ghc_libs: Add means of passing Hackage credentials
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28402eed by M Farkas-Dyck at 2022-08-25T10:04:17-04:00
Scrub some partiality in `CommonBlockElim`.
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54affbfa by Ben Gamari at 2022-08-25T20:05:31-04:00
hadrian: Fix whitespace
Previously this region of Settings.Packages was incorrectly indented.
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c4bba0f0 by Ben Gamari at 2022-08-25T20:05:31-04:00
validate: Drop --legacy flag
In preparation for removal of the legacy `make`-based build system.
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822b0302 by Ben Gamari at 2022-08-25T20:05:31-04:00
gitlab-ci: Drop make build validation jobs
In preparation for removal of the `make`-based build system
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6fd9b0a1 by Ben Gamari at 2022-08-25T20:05:31-04:00
Drop make build system
Here we at long last remove the `make`-based build system, it having
been replaced with the Shake-based Hadrian build system. Users are
encouraged to refer to the documentation in `hadrian/doc` and this [1]
blog post for details on using Hadrian.
Closes #17527.
[1] https://www.haskell.org/ghc/blog/20220805-make-to-hadrian.html
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dbb004b0 by Ben Gamari at 2022-08-25T20:05:31-04:00
Remove testsuite/tests/perf/haddock/.gitignore
As noted in #16802, this is no longer needed.
Closes #16802.
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fe9d824d by Ben Gamari at 2022-08-25T20:05:31-04:00
Drop hc-build script
This has not worked for many, many years and relied on the now-removed
`make`-based build system.
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659502bc by Ben Gamari at 2022-08-25T20:05:31-04:00
Drop mkdirhier
This is only used by nofib's dead `dist` target
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4a426924 by Ben Gamari at 2022-08-25T20:05:31-04:00
Drop mk/{build,install,config}.mk.in
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46924b75 by Ben Gamari at 2022-08-25T20:05:31-04:00
compiler: Drop comment references to make
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d387f687 by Harry Garrood at 2022-08-25T20:06:10-04:00
Add inits1 and tails1 to Data.List.NonEmpty
See https://github.com/haskell/core-libraries-committee/issues/67
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8603c921 by Harry Garrood at 2022-08-25T20:06:10-04:00
Add since annotations and changelog entries
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6b47aa1c by Krzysztof Gogolewski at 2022-08-25T20:06:46-04:00
Fix redundant import
This fixes a build error on x86_64-linux-alpine3_12-validate.
See the function 'loadExternalPlugins' defined in this file.
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4786acf7 by sheaf at 2022-08-26T15:05:23-04:00
Pmc: consider any 2 dicts of the same type equal
This patch massages the keys used in the `TmOracle` `CoreMap` to ensure
that dictionaries of coherent classes give the same key.
That is, whenever we have an expression we want to insert or lookup in
the `TmOracle` `CoreMap`, we first replace any dictionary
`$dict_abcd :: ct` with a value of the form `error @ct`.
This allows us to common-up view pattern functions with required
constraints whose arguments differed only in the uniques of the
dictionaries they were provided, thus fixing #21662.
This is a rather ad-hoc change to the keys used in the
`TmOracle` `CoreMap`. In the long run, we would probably want to use
a different representation for the keys instead of simply using
`CoreExpr` as-is. This more ambitious plan is outlined in #19272.
Fixes #21662
Updates unix submodule
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f5e0f086 by Krzysztof Gogolewski at 2022-08-26T15:06:01-04:00
Remove label style from printing context
Previously, the SDocContext used for code generation contained
information whether the labels should use Asm or C style.
However, at every individual call site, this is known statically.
This removes the parameter to 'PprCode' and replaces every 'pdoc'
used to print a label in code style with 'pprCLabel' or 'pprAsmLabel'.
The OutputableP instance is now used only for dumps.
The output of T15155 changes, it now uses the Asm style
(which is faithful to what actually happens).
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1007829b by Cheng Shao at 2022-08-26T15:06:40-04:00
boot: cleanup legacy args
Cleanup legacy boot script args, following removal of the legacy make
build system.
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95fe09da by Simon Peyton Jones at 2022-08-27T00:29:02-04:00
Improve SpecConstr for evals
As #21763 showed, we were over-specialising in some cases, when
the function involved was doing a simple 'eval', but not taking
the value apart, or branching on it.
This MR fixes the problem. See Note [Do not specialise evals].
Nofib barely budges, except that spectral/cichelli allocates about
3% less.
Compiler bytes-allocated improves a bit
geo. mean -0.1%
minimum -0.5%
maximum +0.0%
The -0.5% is on T11303b, for what it's worth.
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565a8ec8 by Matthew Pickering at 2022-08-27T00:29:39-04:00
Revert "Revert "Refactor SpecConstr to use treat bindings uniformly""
This reverts commit 851d8dd89a7955864b66a3da8b25f1dd88a503f8.
This commit was originally reverted due to an increase in space usage.
This was diagnosed as because the SCE increased in size and that was
being retained by another leak. See #22102
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82ce1654 by Matthew Pickering at 2022-08-27T00:29:39-04:00
Avoid retaining bindings via ModGuts held on the stack
It's better to overwrite the bindings fields of the ModGuts before
starting an iteration as then all the old bindings can be collected as
soon as the simplifier has processed them. Otherwise we end up with the
old bindings being alive until right at the end of the simplifier pass
as the mg_binds field is only modified right at the end.
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64779dcd by Matthew Pickering at 2022-08-27T00:29:39-04:00
Force imposs_deflt_cons in filterAlts
This fixes a pretty serious space leak as the forced thunk would retain
`Alt b` values which would then contain reference to a lot of old
bindings and other simplifier gunk.
The OtherCon unfolding was not forced on subsequent simplifier runs so
more and more old stuff would be retained until the end of
simplification.
Fixing this has a drastic effect on maximum residency for the mmark
package which goes from
```
45,005,401,056 bytes allocated in the heap
17,227,721,856 bytes copied during GC
818,281,720 bytes maximum residency (33 sample(s))
9,659,144 bytes maximum slop
2245 MiB total memory in use (0 MB lost due to fragmentation)
```
to
```
45,039,453,304 bytes allocated in the heap
13,128,181,400 bytes copied during GC
331,546,608 bytes maximum residency (40 sample(s))
7,471,120 bytes maximum slop
916 MiB total memory in use (0 MB lost due to fragmentation)
```
See #21993 for some more discussion.
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a3b23a33 by Matthew Pickering at 2022-08-27T00:29:39-04:00
Use Solo to avoid retaining the SCE but to avoid performing the substitution
The use of Solo here allows us to force the selection into the SCE to obtain
the Subst but without forcing the substitution to be applied. The resulting thunk
is placed into a lazy field which is rarely forced, so forcing it regresses
peformance.
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161a6f1f by Simon Peyton Jones at 2022-08-27T00:30:14-04:00
Fix a nasty loop in Tidy
As the remarkably-simple #22112 showed, we were making a black hole
in the unfolding of a self-recursive binding. Boo!
It's a bit tricky. Documented in GHC.Iface.Tidy,
Note [tidyTopUnfolding: avoiding black holes]
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68e6786f by Giles Anderson at 2022-08-29T00:01:35+02:00
Use TcRnDiagnostic in GHC.Tc.TyCl.Class (#20117)
The following `TcRnDiagnostic` messages have been introduced:
TcRnIllegalHsigDefaultMethods
TcRnBadGenericMethod
TcRnWarningMinimalDefIncomplete
TcRnDefaultMethodForPragmaLacksBinding
TcRnIgnoreSpecialisePragmaOnDefMethod
TcRnBadMethodErr
TcRnNoExplicitAssocTypeOrDefaultDeclaration
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cbe51ac5 by Simon Peyton Jones at 2022-08-29T04:18:57-04:00
Fix a bug in anyInRnEnvR
This bug was a subtle error in anyInRnEnvR, introduced by
commit d4d3fe6e02c0eb2117dbbc9df72ae394edf50f06
Author: Andreas Klebinger <klebinger.andreas at gmx.at>
Date: Sat Jul 9 01:19:52 2022 +0200
Rule matching: Don't compute the FVs if we don't look at them.
The net result was #22028, where a rewrite rule would wrongly
match on a lambda.
The fix to that function is easy.
- - - - -
0154bc80 by sheaf at 2022-08-30T06:05:41-04:00
Various Hadrian bootstrapping fixes
- Don't always produce a distribution archive (#21629)
- Use correct executable names for ghc-pkg and hsc2hs on windows
(we were missing the .exe file extension)
- Fix a bug where we weren't using the right archive format on Windows
when unpacking the bootstrap sources.
Fixes #21629
- - - - -
451b1d90 by Matthew Pickering at 2022-08-30T06:06:16-04:00
ci: Attempt using normal submodule cloning strategy
We do not use any recursively cloned submodules, and this protects us
from flaky upstream remotes.
Fixes #22121
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9d5ad7c4 by Pi Delport at 2022-08-30T22:40:46+00:00
Fix typo in Any docs: stray "--"
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3a002632 by Pi Delport at 2022-08-30T22:40:46+00:00
Fix typo in Any docs: syntatic -> syntactic
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7f490b13 by Simon Peyton Jones at 2022-08-31T03:53:54-04:00
Add a missing trimArityType
This buglet was exposed by #22114, a consequence of my earlier
refactoring of arity for join points.
- - - - -
e6fc820f by Ben Gamari at 2022-08-31T13:16:01+01:00
Bump binary submodule to 0.8.9.1
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4c1e7b22 by Ben Gamari at 2022-08-31T13:16:01+01:00
Bump stm submodule to 2.5.1.0
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837472b4 by Ben Gamari at 2022-08-31T13:16:01+01:00
users-guide: Document system-cxx-std-lib
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f7a9947a by Douglas Wilson at 2022-08-31T13:16:01+01:00
Update submodule containers to 0.6.6
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4ab1c2ca by Douglas Wilson at 2022-08-31T13:16:02+01:00
Update submodule process to 1.6.15.0
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1309ea1e by Ben Gamari at 2022-08-31T13:16:02+01:00
Bump directory submodule to 1.3.7.1
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7962a33a by Douglas Wilson at 2022-08-31T13:16:02+01:00
Bump text submodule to 2.0.1
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fd8d80c3 by Ben Gamari at 2022-08-31T13:26:52+01:00
Bump deepseq submodule to 1.4.8.0
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a9baafac by Ben Gamari at 2022-08-31T13:26:52+01:00
Add dates to base, ghc-prim changelogs
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2cee323c by Ben Gamari at 2022-08-31T13:26:52+01:00
Update autoconf scripts
Scripts taken from autoconf 02ba26b218d3d3db6c56e014655faf463cefa983
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e62705ff by Ben Gamari at 2022-08-31T13:26:53+01:00
Bump bytestring submodule to 0.11.3.1
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f7b4dcbd by Douglas Wilson at 2022-08-31T13:26:53+01:00
Update submodule Cabal to tag Cabal-v3.8.1.0
closes #21931
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e8eaf807 by Matthew Pickering at 2022-08-31T18:27:57-04:00
Refine in-tree compiler args for --test-compiler=stage1
Some of the logic to calculate in-tree arguments was not correct for the
stage1 compiler. Namely we were not correctly reporting whether we were
building static or dynamic executables and whether debug assertions were
enabled.
Fixes #22096
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6b2f7ffe by Matthew Pickering at 2022-08-31T18:27:57-04:00
Make ghcDebugAssertions into a Stage predicate (Stage -> Bool)
We also care whether we have debug assertions enabled for a stage one
compiler, but the way which we turned on the assertions was quite
different from the stage2 compiler. This makes the logic for turning on
consistent across both and has the advantage of being able to correct
determine in in-tree args whether a flavour enables assertions or not.
Ticket #22096
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15111af6 by Zubin Duggal at 2022-09-01T01:18:50-04:00
Add regression test for #21550
This was fixed by ca90ffa321a31842a32be1b5b6e26743cd677ec5
"Use local instances with least superclass depth"
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7d3a055d by Krzysztof Gogolewski at 2022-09-01T01:19:26-04:00
Minor cleanup
- Remove mkHeteroCoercionType, sdocImpredicativeTypes, isStateType (unused),
isCoVar_maybe (duplicated by getCoVar_maybe)
- Replace a few occurrences of voidPrimId with (# #).
void# is a deprecated synonym for the unboxed tuple.
- Use showSDoc in :show linker.
This makes it consistent with the other :show commands
- - - - -
31a8989a by Tommy Bidne at 2022-09-01T12:01:20-04:00
Change Ord defaults per CLC proposal
Approved by CLC in https://github.com/haskell/core-libraries-committee/issues/24#issuecomment-1233331267
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7f527f01 by Matthew Pickering at 2022-09-01T12:01:56-04:00
Fix bootstrap with ghc-9.0
It turns out Solo is a very recent addition to base, so for older GHC
versions we just defined it inline here the one place we use it in the
compiler.
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d2be80fd by Sebastian Graf at 2022-09-05T23:12:14-04:00
DmdAnal: Don't panic in addCaseBndrDmd (#22039)
Rather conservatively return Top.
See Note [Untyped demand on case-alternative binders].
I also factored `addCaseBndrDmd` into two separate functions `scrutSubDmd` and
`fieldBndrDmds`.
Fixes #22039.
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25f68ace by Ben Gamari at 2022-09-05T23:12:50-04:00
gitlab-ci: Ensure that ghc derivation is in scope
Previously the lint-ci job attempted to use cabal-install (specifically
`cabal update`) without a GHC in PATH. However, cabal-install-3.8
appears to want GHC, even for `cabal update`.
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f37b621f by sheaf at 2022-09-06T11:51:53+00:00
Update instances.rst, clarifying InstanceSigs
Fixes #22103
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d4f908f7 by Jan Hrček at 2022-09-06T15:36:58-04:00
Fix :add docs in user guide
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808bb793 by Cheng Shao at 2022-09-06T15:37:35-04:00
ci: remove unused build_make/test_make in ci script
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d0a2efb2 by Eric Lindblad at 2022-09-07T16:42:45-04:00
typo
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fac0098b by Eric Lindblad at 2022-09-07T16:42:45-04:00
typos
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a581186f by Eric Lindblad at 2022-09-07T16:42:45-04:00
whitespace
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04a738cb by Cheng Shao at 2022-09-07T16:43:22-04:00
CmmToAsm: remove unused ModLocation from NatM_State
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ee1cfaa9 by Krzysztof Gogolewski at 2022-09-07T16:43:58-04:00
Minor SDoc cleanup
Change calls to renderWithContext with showSDocOneLine; it's more
efficient and explanatory.
Remove polyPatSig (unused)
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7918265d by Krzysztof Gogolewski at 2022-09-07T16:43:58-04:00
Remove Outputable Char instance
Use 'text' instead of 'ppr'.
Using 'ppr' on the list "hello" rendered as "h,e,l,l,o".
- - - - -
77209ab3 by Georgi Lyubenov at 2022-09-08T17:14:36+03:00
Export liftA2 from Prelude
Changes:
In order to be warning free and compatible, we hide Applicative(..)
from Prelude in a few places and instead import it directly from
Control.Applicative.
Please see the migration guide at
https://github.com/haskell/core-libraries-committee/blob/main/guides/export-lifta2-prelude.md
for more details.
This means that Applicative is now exported in its entirety from
Prelude.
Motivation:
This change is motivated by a few things:
* liftA2 is an often used function, even more so than (<*>) for some
people.
* When implementing Applicative, the compiler will prompt you for either
an implementation of (<*>) or of liftA2, but trying to use the latter
ends with an error, without further imports. This could be confusing
for newbies.
* For teaching, it is often times easier to introduce liftA2 first,
as it is a natural generalisation of fmap.
* This change seems to have been unanimously and enthusiastically
accepted by the CLC members, possibly indicating a lot of love for it.
* This change causes very limited breakage, see the linked issue below
for an investigation on this.
See https://github.com/haskell/core-libraries-committee/issues/50
for the surrounding discussion and more details.
- - - - -
442a94e8 by Georgi Lyubenov at 2022-09-08T17:14:36+03:00
Add changelog entry for liftA2 export from Prelude
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fb968680 by Georgi Lyubenov at 2022-09-08T17:14:36+03:00
Bump submodule containers to one with liftA2 warnings fixed
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f54ff818 by Georgi Lyubenov at 2022-09-08T17:14:36+03:00
Bump submodule Cabal to one with liftA2 warnings fixed
- - - - -
a4b34808 by Georgi Lyubenov at 2022-09-08T17:14:36+03:00
Isolate some Applicative hidings to GHC.Prelude
By reexporting the entirety of Applicative from GHC.Prelude, we can save
ourselves some `hiding` and importing of `Applicative` in consumers of GHC.Prelude.
This also has the benefit of isolating this type of change to
GHC.Prelude, so that people in the future don't have to think about it.
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9c4ea90c by Cheng Shao at 2022-09-08T17:49:47-04:00
CmmToC: enable 64-bit CallishMachOp on 32-bit targets
Normally, the unregisterised builds avoid generating 64-bit
CallishMachOp in StgToCmm, so CmmToC doesn't support these. However,
there do exist cases where we'd like to invoke cmmToC for other cmm
inputs which may contain such CallishMachOps, and it's a rather low
effort to add support for these since they only require calling into
existing ghc-prim cbits.
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04062510 by Alexis King at 2022-09-11T11:30:32+02:00
Add native delimited continuations to the RTS
This patch implements GHC proposal 313, "Delimited continuation
primops", by adding native support for delimited continuations to the
GHC RTS.
All things considered, the patch is relatively small. It almost
exclusively consists of changes to the RTS; the compiler itself is
essentially unaffected. The primops come with fairly extensive Haddock
documentation, and an overview of the implementation strategy is given
in the Notes in rts/Continuation.c.
This first stab at the implementation prioritizes simplicity over
performance. Most notably, every continuation is always stored as a
single, contiguous chunk of stack. If one of these chunks is
particularly large, it can result in poor performance, as the current
implementation does not attempt to cleverly squeeze a subset of the
stack frames into the existing stack: it must fit all at once. If this
proves to be a performance issue in practice, a cleverer strategy would
be a worthwhile target for future improvements.
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ee471dfb by Cheng Shao at 2022-09-12T07:07:33-04:00
rts: fix missing dirty_MVAR argument in stg_writeIOPortzh
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a5f9c35f by Cheng Shao at 2022-09-12T13:29:05-04:00
ci: enable parallel compression for xz
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3a815f30 by Ryan Scott at 2022-09-12T13:29:41-04:00
Windows: Always define _UCRT when compiling C code
As seen in #22159, this is required to ensure correct behavior when MinGW-w64
headers are in the `C_INCLUDE_PATH`.
Fixes #22159.
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65a0bd69 by sheaf at 2022-09-13T10:27:52-04:00
Add diagnostic codes
This MR adds diagnostic codes, assigning unique numeric codes to
error and warnings, e.g.
error: [GHC-53633]
Pattern match is redundant
This is achieved as follows:
- a type family GhcDiagnosticCode that gives the diagnostic code
for each diagnostic constructor,
- a type family ConRecursInto that specifies whether to recur into
an argument of the constructor to obtain a more fine-grained code
(e.g. different error codes for different 'deriving' errors),
- generics machinery to generate the value-level function assigning
each diagnostic its error code; see Note [Diagnostic codes using generics]
in GHC.Types.Error.Codes.
The upshot is that, to add a new diagnostic code, contributors only need
to modify the two type families mentioned above. All logic relating to
diagnostic codes is thus contained to the GHC.Types.Error.Codes module,
with no code duplication.
This MR also refactors error message datatypes a bit, ensuring we can
derive Generic for them, and cleans up the logic around constraint
solver reports by splitting up 'TcSolverReportInfo' into separate
datatypes (see #20772).
Fixes #21684
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362cca13 by sheaf at 2022-09-13T10:27:53-04:00
Diagnostic codes: acccept test changes
The testsuite output now contains diagnostic codes, so many tests need
to be updated at once.
We decided it was best to keep the diagnostic codes in the testsuite
output, so that contributors don't inadvertently make changes to the
diagnostic codes.
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08f6730c by Adam Gundry at 2022-09-13T10:28:29-04:00
Allow imports to reference multiple fields with the same name (#21625)
If a module `M` exports two fields `f` (using DuplicateRecordFields), we can
still accept
import M (f)
import M hiding (f)
and treat `f` as referencing both of them. This was accepted in GHC 9.0, but gave
rise to an ambiguity error in GHC 9.2. See #21625.
This patch also documents this behaviour in the user's guide, and updates the
test for #16745 which is now treated differently.
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c14370d7 by Cheng Shao at 2022-09-13T10:29:07-04:00
ci: remove unused appveyor config
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dc6af9ed by Cheng Shao at 2022-09-13T10:29:45-04:00
compiler: remove unused lazy state monad
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646d15ad by Eric Lindblad at 2022-09-14T03:13:56-04:00
Fix typos
This fixes various typos and spelling mistakes
in the compiler.
Fixes #21891
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7d7e71b0 by Matthew Pickering at 2022-09-14T03:14:32-04:00
hadrian: Bump index state
This bumps the index state so a build plan can also be found when
booting with 9.4.
Fixes #22165
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98b62871 by Matthew Pickering at 2022-09-14T17:17:04-04:00
hadrian: Use a stamp file to record when a package is built in a certain way
Before this patch which library ways we had built wasn't recorded
directly. So you would run into issues if you build the .conf file with
some library ways before switching the library ways which you wanted to
build.
Now there is one stamp file for each way, so in order to build a
specific way you can need that specific stamp file rather than going
indirectly via the .conf file.
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b42cedbe by Matthew Pickering at 2022-09-14T17:17:04-04:00
hadrian: Inplace/Final package databases
There are now two different package databases per stage. An inplace
package database contains .conf files which point directly into the
build directories. The final package database contains .conf files which
point into the installed locations. The inplace .conf files are created
before any building happens and have fake ABI hash values. The final
.conf files are created after a package finished building and contains
the proper ABI has.
The motivation for this is to make the dependency structure more
fine-grained when building modules. Now a module depends just depends
directly on M.o from package p rather than the .conf file depend on the
.conf file for package p. So when all of a modules direct dependencies
have finished building we can start building it rather than waiting for
the whole package to finish.
The secondary motivation is that the multi-repl doesn't need to build
everything before starting the multi-repl session. We can just configure
the inplace package-db and use that in order to start the repl.
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6515c32b by Matthew Pickering at 2022-09-14T17:17:04-04:00
hadrian: Add some more packages to multi-cradle
The main improvement here is to pass `-this-unit-id` for executables so
that they can be added to the multi-cradle if desired as well as normal
library packages.
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e470e91f by Matthew Pickering at 2022-09-14T17:17:04-04:00
hadrian: Need builders needed by Cabal Configure in parallel
Because of the use of withStaged (which needs the necessary builder)
when configuring a package, the builds of stage1:exe:ghc-bin and
stage1:exe:ghc-pkg where being linearised when building a specific
target like `binary-dist-dir`.
Thankfully the fix is quite local, to supply all the `withStaged`
arguments together so the needs can be batched together and hence
performed in parallel.
Fixes #22093
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c4438347 by Matthew Pickering at 2022-09-14T17:17:04-04:00
Remove stage1:exe:ghc-bin pre-build from CI script
CI builds stage1:exe:ghc-bin before the binary-dist target which
introduces some quite bad linearisation (see #22093) because we don't
build stage1 compiler in parallel with anything. Then when the
binary-dist target is started we have to build stage1:exe:ghc-pkg before
doing anything.
Fixes #22094
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71d8db86 by Matthew Pickering at 2022-09-14T17:17:04-04:00
hadrian: Add extra implicit dependencies from DeriveLift
ghc -M should know that modules which use DeriveLift (or
TemplateHaskellQuotes) need TH.Lib.Internal but until it does, we have
to add these extra edges manually or the modules will be compiled before
TH.Lib.Internal is compiled which leads to a desugarer error.
- - - - -
43e574f0 by Greg Steuck at 2022-09-14T17:17:43-04:00
Repair c++ probing on OpenBSD
Failure without this change:
```
checking C++ standard library flavour... libc++
checking for linkage against 'c++ c++abi'... failed
checking for linkage against 'c++ cxxrt'... failed
configure: error: Failed to find C++ standard library
```
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534b39ee by Douglas Wilson at 2022-09-14T17:18:21-04:00
libraries: template-haskell: vendor filepath differently
Vendoring with ../ in hs-source-dirs prevents upload to hackage.
(cherry picked from commit 1446be7586ba70f9136496f9b67f792955447842)
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bdd61cd6 by M Farkas-Dyck at 2022-09-14T22:39:34-04:00
Unbreak Hadrian with Cabal 3.8.
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df04d6ec by Krzysztof Gogolewski at 2022-09-14T22:40:09-04:00
Fix typos
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d6ea8356 by Andreas Klebinger at 2022-09-15T10:12:41+02:00
Tag inference: Fix #21954 by retaining tagsigs of vars in function position.
For an expression like:
case x of y
Con z -> z
If we also retain the tag sig for z we can generate code to immediately return
it rather than calling out to stg_ap_0_fast.
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7cce7007 by Andreas Klebinger at 2022-09-15T10:12:42+02:00
Stg.InferTags.Rewrite - Avoid some thunks.
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88c4cbdb by Cheng Shao at 2022-09-16T13:57:56-04:00
hadrian: enable -fprof-late only for profiling ways
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d7235831 by Cheng Shao at 2022-09-16T13:57:56-04:00
hadrian: add late_ccs flavour transformer
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ce203753 by Cheng Shao at 2022-09-16T13:58:34-04:00
configure: remove unused program checks
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9b4c1056 by Pierre Le Marre at 2022-09-16T13:59:16-04:00
Update to Unicode 15.0
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c6e9b89a by Bodigrim at 2022-09-16T13:59:55-04:00
Avoid partial head and tail in ghc-heap; replace with total pattern-matching
- - - - -
616afde3 by Cheng Shao at 2022-09-16T14:00:33-04:00
hadrian: relax Cabal upper bound to allow building with Cabal-3.8
A follow up of !8910.
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df35d994 by Alexis King at 2022-09-16T14:01:11-04:00
Add links to the continuations haddocks in the docs for each primop
fixes #22176
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383f7549 by Matthew Pickering at 2022-09-16T21:42:10-04:00
-Wunused-pattern-binds: Recurse into patterns to check whether there's a splice
See the examples in #22057 which show we have to traverse deeply into a
pattern to determine whether it contains a splice or not. The original
implementation pointed this out but deemed this very shallow traversal
"too expensive".
Fixes #22057
I also fixed an oversight in !7821 which meant we lost a warning which
was present in 9.2.2.
Fixes #22067
- - - - -
5031bf49 by sheaf at 2022-09-16T21:42:49-04:00
Hadrian: Don't try to build terminfo on Windows
Commit b42cedbe introduced a dependency on terminfo on Windows,
but that package isn't available on Windows.
- - - - -
c9afe221 by M Farkas-Dyck at 2022-09-17T06:44:47-04:00
Clean up some. In particular:
• Delete some dead code, largely under `GHC.Utils`.
• Clean up a few definitions in `GHC.Utils.(Misc, Monad)`.
• Clean up `GHC.Types.SrcLoc`.
• Derive stock `Functor, Foldable, Traversable` for more types.
• Derive more instances for newtypes.
Bump haddock submodule.
- - - - -
85431ac3 by Cheng Shao at 2022-09-17T06:45:25-04:00
driver: pass original Cmm filename in ModLocation
When compiling Cmm, the ml_hs_file field is used to indicate Cmm
filename when later generating DWARF information. We should pass the
original filename here, otherwise for preprocessed Cmm files, the
filename will be a temporary filename which is confusing.
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63aa0069 by Cheng Shao at 2022-09-17T06:46:04-04:00
rts: remove legacy logging cabal flag
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bd0f4184 by Cheng Shao at 2022-09-17T06:46:04-04:00
rts: make threaded ways optional
For certain targets (e.g. wasm32-wasi), the threaded rts is known not to
work. This patch adds a "threaded" cabal flag to rts to make threaded
rts ways optional. Hadrian enables this flag iff the flavour rtsWays
contains threaded ways.
- - - - -
8a666ad2 by Ryan Scott at 2022-09-18T08:00:44-04:00
DeriveFunctor: Check for last type variables using dataConUnivTyVars
Previously, derived instances of `Functor` (as well as the related classes
`Foldable`, `Traversable`, and `Generic1`) would determine which constraints to
infer by checking for fields that contain the last type variable. The problem
was that this last type variable was taken from `tyConTyVars`. For GADTs, the
type variables in each data constructor are _not_ the same type variables as
in `tyConTyVars`, leading to #22167.
This fixes the issue by instead checking for the last type variable using
`dataConUnivTyVars`. (This is very similar in spirit to the fix for #21185,
which also replaced an errant use of `tyConTyVars` with type variables from
each data constructor.)
Fixes #22167.
- - - - -
78037167 by Vladislav Zavialov at 2022-09-18T08:01:20-04:00
Lexer: pass updated buffer to actions (#22201)
In the lexer, predicates have the following type:
{ ... } :: user -- predicate state
-> AlexInput -- input stream before the token
-> Int -- length of the token
-> AlexInput -- input stream after the token
-> Bool -- True <=> accept the token
This is documented in the Alex manual.
There is access to the input stream both before and after the token.
But when the time comes to construct the token, GHC passes only the
initial string buffer to the lexer action. This patch fixes it:
- type Action = PsSpan -> StringBuffer -> Int -> P (PsLocated Token)
+ type Action = PsSpan -> StringBuffer -> Int -> StringBuffer -> P (PsLocated Token)
Now lexer actions have access to the string buffer both before and after
the token, just like the predicates. It's just a matter of passing an
additional function parameter throughout the lexer.
- - - - -
75746594 by Vladislav Zavialov at 2022-09-18T08:01:20-04:00
Lexer: define varsym without predicates (#22201)
Before this patch, the varsym lexing rules were defined as follows:
<0> {
@varsym / { precededByClosingToken `alexAndPred` followedByOpeningToken } { varsym_tight_infix }
@varsym / { followedByOpeningToken } { varsym_prefix }
@varsym / { precededByClosingToken } { varsym_suffix }
@varsym { varsym_loose_infix }
}
Unfortunately, this meant that the predicates 'precededByClosingToken' and
'followedByOpeningToken' were recomputed several times before we could figure
out the whitespace context.
With this patch, we check for whitespace context directly in the lexer
action:
<0> {
@varsym { with_op_ws varsym }
}
The checking for opening/closing tokens happens in 'with_op_ws' now,
which is part of the lexer action rather than the lexer predicate.
- - - - -
c1f81b38 by M Farkas-Dyck at 2022-09-19T09:07:05-04:00
Scrub partiality about `NewOrData`.
Rather than a list of constructors and a `NewOrData` flag, we define `data DataDefnCons a = NewTypeCon a | DataTypeCons [a]`, which enforces a newtype to have exactly one constructor.
Closes #22070.
Bump haddock submodule.
- - - - -
1e1ed8c5 by Cheng Shao at 2022-09-19T09:07:43-04:00
CmmToC: emit __builtin_unreachable() after noreturn ccalls
Emit a __builtin_unreachable() call after a foreign call marked as
CmmNeverReturns. This is crucial to generate correctly typed code for
wasm; as for other archs, this is also beneficial for the C compiler
optimizations.
- - - - -
6a3da03e by Ben Gamari at 2022-09-19T16:16:54+00:00
rts/linker: Consolidate initializer/finalizer handling
Here we extend our treatment of initializer/finalizer priorities to
include ELF and in so doing refactor things to share the implementation
with PEi386. As well, I fix a subtle misconception of the ordering
behavior for `.ctors`.
Fixes #21847.
- - - - -
d3f70414 by Ben Gamari at 2022-09-19T16:16:54+00:00
rts/linker: Add support for .fini sections
- - - - -
30 changed files:
- − .appveyor.sh
- .gitlab-ci.yml
- .gitlab/ci.sh
- .gitlab/gen_ci.hs
- .gitlab/jobs.yaml
- .gitlab/upload_ghc_libs.py
- − MAKEHELP.md
- − Makefile
- − appveyor.yml
- − bindisttest/ghc.mk
- boot
- compiler/CodeGen.Platform.h
- compiler/GHC.hs
- compiler/GHC/Builtin/Names.hs
- compiler/GHC/Builtin/PrimOps.hs
- compiler/GHC/Builtin/Types.hs
- compiler/GHC/Builtin/Types/Prim.hs
- compiler/GHC/Builtin/Uniques.hs
- compiler/GHC/Builtin/primops.txt.pp
- compiler/GHC/ByteCode/Instr.hs
- compiler/GHC/Cmm/CLabel.hs
- compiler/GHC/Cmm/CommonBlockElim.hs
- compiler/GHC/Cmm/ContFlowOpt.hs
- compiler/GHC/Cmm/Dataflow.hs
- compiler/GHC/Cmm/DebugBlock.hs
- compiler/GHC/Cmm/Dominators.hs
- compiler/GHC/Cmm/Lint.hs
- compiler/GHC/Cmm/Liveness.hs
- compiler/GHC/Cmm/Node.hs
- compiler/GHC/Cmm/Parser.y
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/8031c2ec033c7af3ef1759a5f2b8ec39b198b1ea...d3f7041493458f9c7e07f211fa6b2e9e0e84d4f2
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/8031c2ec033c7af3ef1759a5f2b8ec39b198b1ea...d3f7041493458f9c7e07f211fa6b2e9e0e84d4f2
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