[Git][ghc/ghc][wip/no-sm-spinlock] 302 commits: Hadrian: fix ghcDebugAssertions off-by-one error
Ben Gamari (@bgamari)
gitlab at gitlab.haskell.org
Thu Jan 26 23:41:34 UTC 2023
Ben Gamari pushed to branch wip/no-sm-spinlock at Glasgow Haskell Compiler / GHC
Commits:
cd31acad by sheaf at 2022-12-06T15:45:58-05:00
Hadrian: fix ghcDebugAssertions off-by-one error
Commit 6b2f7ffe changed the logic that decided whether to enable debug
assertions. However, it had an off-by-one error, as the stage parameter
to the function inconsistently referred to the stage of the compiler
being used to build or the stage of the compiler we are building.
This patch makes it consistent. Now the parameter always refers to the
the compiler which is being built.
In particular, this patch re-enables
assertions in the stage 2 compiler when building with devel2 flavour,
and disables assertions in the stage 2 compiler when building with
validate flavour.
Some extra performance tests are now run in the "validate" jobs because
the stage2 compiler no longer contains assertions.
-------------------------
Metric Decrease:
CoOpt_Singletons
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModulesTH_OneShot
T11374
T12227
T12234
T13253-spj
T13701
T14683
T14697
T15703
T17096
T17516
T18304
T18478
T18923
T5030
T9872b
TcPlugin_RewritePerf
Metric Increase:
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModules
MultiLayerModulesRecomp
MultiLayerModulesTH_Make
T13386
T13719
T3294
T9233
T9675
parsing001
-------------------------
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21d66db1 by mrkun at 2022-12-06T15:46:38-05:00
Push DynFlags out of runInstallNameTool
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aaaaa79b by mrkun at 2022-12-06T15:46:38-05:00
Push DynFlags out of askOtool
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4e28f49e by mrkun at 2022-12-06T15:46:38-05:00
Push DynFlags out of runInjectRPaths
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a7422580 by mrkun at 2022-12-06T15:46:38-05:00
Push DynFlags out of Linker.MacOS
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e902d771 by Matthew Craven at 2022-12-08T08:30:23-05:00
Fix bounds-checking buglet in Data.Array.Byte
...another manifestation of #20851 which
I unfortunately missed in my first pass.
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8d36c0c6 by Gergő Érdi at 2022-12-08T08:31:03-05:00
Remove copy-pasted definitions of `graphFromEdgedVertices*`
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c5d8ed3a by Gergő Érdi at 2022-12-08T08:31:03-05:00
Add version of `reachableGraph` that avoids loop for cyclic inputs
by building its result connected component by component
Fixes #22512
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90cd5396 by Krzysztof Gogolewski at 2022-12-08T08:31:39-05:00
Mark Type.Reflection.Unsafe as Unsafe
This module can be used to construct ill-formed TypeReps, so it should
be Unsafe.
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2057c77d by Ian-Woo Kim at 2022-12-08T08:32:19-05:00
Truncate eventlog event for large payload (#20221)
RTS eventlog events for postCapsetVecEvent are truncated if payload
is larger than EVENT_PAYLOAD_SIZE_MAX
Previously, postCapsetVecEvent records eventlog event with payload
of variable size larger than EVENT_PAYLOAD_SIZE_MAX (2^16) without
any validation, resulting in corrupted data.
For example, this happens when a Haskell binary is invoked with very
long command line arguments exceeding 2^16 bytes (see #20221).
Now we check the size of accumulated payload messages incrementally,
and truncate the message just before the payload size exceeds
EVENT_PAYLOAD_SIZE_MAX. RTS will warn the user with a message showing
how many arguments are truncated.
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9ec76f61 by Cheng Shao at 2022-12-08T08:32:59-05:00
hadrian: don't add debug info to non-debug ways of rts
Hadrian used to pass -g when building all ways of rts. It makes output
binaries larger (especially so for wasm backend), and isn't needed by
most users out there, so this patch removes that flag. In case the
debug info is desired, we still pass -g3 when building the debug way,
and there's also the debug_info flavour transformer which ensures -g3
is passed for all rts ways.
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7658cdd4 by Krzysztof Gogolewski at 2022-12-08T08:33:36-05:00
Restore show (typeRep @[]) == "[]"
The Show instance for TypeRep [] has changed in 9.5 to output "List"
because the name of the type constructor changed.
This seems to be accidental and is inconsistent with TypeReps of saturated
lists, which are printed as e.g. "[Int]".
For now, I'm restoring the old behavior; in the future,
maybe we should show TypeReps without puns (List, Tuple, Type).
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216deefd by Matthew Pickering at 2022-12-08T22:45:27-05:00
Add test for #22162
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5d0a311f by Matthew Pickering at 2022-12-08T22:45:27-05:00
ci: Add job to test interface file determinism guarantees
In this job we can run on every commit we add a test which builds the
Cabal library twice and checks that the ABI hash and interface hash is
stable across the two builds.
* We run the test 20 times to try to weed out any race conditions due to
`-j`
* We run the builds in different temporary directories to try to weed
out anything related to build directory affecting ABI or interface
file hash.
Fixes #22180
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0a76d7d4 by Matthew Pickering at 2022-12-08T22:45:27-05:00
ci: Add job for testing interface stability across builds
The idea is that both the bindists should product libraries with the
same ABI and interface hash.
So the job checks with ghc-pkg to make sure the computed ABI
is the same.
In future this job can be extended to check for the other facets of
interface determinism.
Fixes #22180
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74c9bf91 by Matthew Pickering at 2022-12-08T22:45:27-05:00
backpack: Be more careful when adding together ImportAvails
There was some code in the signature merging logic which added together
the ImportAvails of the signature and the signature which was merged
into it. This had the side-effect of making the merged signature depend
on the signature (via a normal module dependency). The intention was to
propagate orphan instances through the merge but this also messed up
recompilation logic because we shouldn't be attempting to load B.hi when
mergeing it.
The fix is to just combine the part of ImportAvails that we intended to
(transitive info, orphan instances and type family instances) rather
than the whole thing.
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d122e022 by Matthew Pickering at 2022-12-08T22:45:27-05:00
Fix mk_mod_usage_info if the interface file is not already loaded
In #22217 it was observed that the order modules are compiled in affects
the contents of an interface file. This was because a module dependended
on another module indirectly, via a re-export but the interface file for
this module was never loaded because the symbol was never used in the
file.
If we decide that we depend on a module then we jolly well ought to
record this fact in the interface file! Otherwise it could lead to very
subtle recompilation bugs if the dependency is not tracked and the
module is updated.
Therefore the best thing to do is just to make sure the file is loaded
by calling the `loadSysInterface` function. This first checks the
caches (like we did before) but then actually goes to find the interface
on disk if it wasn't loaded.
Fixes #22217
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ea25088d by lrzlin at 2022-12-08T22:46:06-05:00
Add initial support for LoongArch Architecture.
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9eb9d2f4 by Bodigrim at 2022-12-08T22:46:47-05:00
Update submodule mtl to 2.3.1, parsec to 3.1.15.1, haddock and Cabal to HEAD
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08d8fe2a by Bodigrim at 2022-12-08T22:46:47-05:00
Allow mtl-2.3 in hadrian
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3807a46c by Bodigrim at 2022-12-08T22:46:47-05:00
Support mtl-2.3 in check-exact
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ef702a18 by Bodigrim at 2022-12-08T22:46:47-05:00
Fix tests
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3144e8ff by Sebastian Graf at 2022-12-08T22:47:22-05:00
Make (^) INLINE (#22324)
So that we get to cancel away the allocation for the lazily used base.
We can move `powImpl` (which *is* strict in the base) to the top-level
so that we don't duplicate too much code and move the SPECIALISATION
pragmas onto `powImpl`.
The net effect of this change is that `(^)` plays along much better with
inlining thresholds and loopification (#22227), for example in `x2n1`.
Fixes #22324.
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1d3a8b8e by Matthew Pickering at 2022-12-08T22:47:59-05:00
Typeable: Fix module locations of some definitions in GHC.Types
There was some confusion in Data.Typeable about which module certain
wired-in things were defined in. Just because something is wired-in
doesn't mean it comes from GHC.Prim, in particular things like LiftedRep
and RuntimeRep are defined in GHC.Types and that's the end of the story.
Things like Int#, Float# etc are defined in GHC.Prim as they have no
Haskell definition site at all so we need to generate type
representations for them (which live in GHC.Types).
Fixes #22510
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0f7588b5 by Sebastian Graf at 2022-12-08T22:48:34-05:00
Make `drop` and `dropWhile` fuse (#18964)
I copied the fusion framework we have in place for `take`.
T18964 asserts that we regress neither when fusion fires nor when it doesn't.
Fixes #18964.
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26e71562 by Sebastian Graf at 2022-12-08T22:49:10-05:00
Do not strictify a DFun's parameter dictionaries (#22549)
... thus fixing #22549.
The details are in the refurbished and no longer dead
`Note [Do not strictify a DFun's parameter dictionaries]`.
There's a regression test in T22549.
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36093407 by John Ericson at 2022-12-08T22:49:45-05:00
Delete `rts/package.conf.in`
It is a relic of the Make build system. The RTS now uses a
`package.conf` file generated the usual way by Cabal.
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b0cc2fcf by Krzysztof Gogolewski at 2022-12-08T22:50:21-05:00
Fixes around primitive literals
* The SourceText of primitive characters 'a'# did not include
the #, unlike for other primitive literals 1#, 1##, 1.0#, 1.0##, "a"#.
We can now remove the function pp_st_suffix, which was a hack
to add the # back.
* Negative primitive literals shouldn't use parentheses, as described in
Note [Printing of literals in Core]. Added a testcase to T14681.
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aacf616d by Bryan Richter at 2022-12-08T22:50:56-05:00
testsuite: Mark conc024 fragile on Windows
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ed239a24 by Ryan Scott at 2022-12-09T09:42:16-05:00
Document TH splices' interaction with INCOHERENT instances
Top-level declaration splices can having surprising interactions with
`INCOHERENT` instances, as observed in #22492. This patch
resolves #22492 by documenting this strange interaction in the GHC User's
Guide.
[ci skip]
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1023b432 by Mike Pilgrem at 2022-12-09T09:42:56-05:00
Fix #22300 Document GHC's extensions to valid whitespace
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79b0cec0 by Luite Stegeman at 2022-12-09T09:43:38-05:00
Add support for environments that don't have setImmediate
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5b007ec5 by Luite Stegeman at 2022-12-09T09:43:38-05:00
Fix bound thread status
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65335d10 by Matthew Pickering at 2022-12-09T20:15:45-05:00
Update containers submodule
This contains a fix necessary for the multi-repl to work on GHC's code
base where we try to load containers and template-haskell into the same
session.
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4937c0bb by Matthew Pickering at 2022-12-09T20:15:45-05:00
hadrian-multi: Put interface files in separate directories
Before we were putting all the interface files in the same directory
which was leading to collisions if the files were called the same thing.
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8acb5b7b by Matthew Pickering at 2022-12-09T20:15:45-05:00
hadrian-toolargs: Add filepath to allowed repl targets
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5949d927 by Matthew Pickering at 2022-12-09T20:15:45-05:00
driver: Set correct UnitId when rehydrating modules
We were not setting the UnitId before rehydrating modules which just led
to us attempting to find things in the wrong HPT. The test for this is
the hadrian-multi command (which is now added as a CI job).
Fixes #22222
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ab06c0f0 by Matthew Pickering at 2022-12-09T20:15:45-05:00
ci: Add job to test hadrian-multi command
I am not sure this job is good because it requires booting HEAD with
HEAD, but it should be fine.
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fac3e568 by Matthew Pickering at 2022-12-09T20:16:20-05:00
hadrian: Update bootstrap plans to 9.2.* series and 9.4.* series.
This updates the build plans for the most recent compiler versions, as
well as fixing the hadrian-bootstrap-gen script to a specific GHC
version.
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195b08b4 by Matthew Pickering at 2022-12-09T20:16:20-05:00
ci: Bump boot images to use ghc-9.4.3
Also updates the bootstrap jobs to test booting 9.2 and 9.4.
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c658c580 by Matthew Pickering at 2022-12-09T20:16:20-05:00
hlint: Removed redundant UnboxedSums pragmas
UnboxedSums is quite confusingly implied by UnboxedTuples, alas, just
the way it is.
See #22485
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b3e98a92 by Oleg Grenrus at 2022-12-11T12:26:17-05:00
Add heqT, a kind-heterogeneous variant of heq
CLC proposal https://github.com/haskell/core-libraries-committee/issues/99
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bfd7c1e6 by Bodigrim at 2022-12-11T12:26:55-05:00
Document that Bifunctor instances for tuples are lawful only up to laziness
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5d1a1881 by Bryan Richter at 2022-12-12T16:22:36-05:00
Mark T21336a fragile
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c30accc2 by Matthew Pickering at 2022-12-12T16:23:11-05:00
Add test for #21476
This issues seems to have been fixed since the ticket was made, so let's
add a test and move on.
Fixes #21476
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e9d74a3e by Sebastian Graf at 2022-12-13T22:18:39-05:00
Respect -XStrict in the pattern-match checker (#21761)
We were missing a call to `decideBangHood` in the pattern-match checker.
There is another call in `matchWrapper.mk_eqn_info` which seems redundant
but really is not; see `Note [Desugaring -XStrict matches in Pmc]`.
Fixes #21761.
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884790e2 by Gergő Érdi at 2022-12-13T22:19:14-05:00
Fix loop in the interface representation of some `Unfolding` fields
As discovered in #22272, dehydration of the unfolding info of a
recursive definition used to involve a traversal of the definition
itself, which in turn involves traversing the unfolding info. Hence,
a loop.
Instead, we now store enough data in the interface that we can produce
the unfolding info without this traversal. See Note [Tying the 'CoreUnfolding' knot]
for details.
Fixes #22272
Co-authored-by: Simon Peyton Jones <simon.peytonjones at gmail.com>
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9f301189 by Alan Zimmerman at 2022-12-13T22:19:50-05:00
EPA: When splitting out header comments, keep ones for first decl
Any comments immediately preceding the first declaration are no longer
kept as header comments, but attach to the first declaration instead.
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8b1f1b45 by Sylvain Henry at 2022-12-13T22:20:28-05:00
JS: fix object file name comparison (#22578)
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e9e161bb by Bryan Richter at 2022-12-13T22:21:03-05:00
configure: Bump min bootstrap GHC version to 9.2
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75855643 by Ben Gamari at 2022-12-15T03:54:02-05:00
hadrian: Don't enable TSAN in stage0 build
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da7b51d8 by Ben Gamari at 2022-12-15T03:54:02-05:00
cmm: Introduce blockConcat
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34f6b09c by Ben Gamari at 2022-12-15T03:54:02-05:00
cmm: Introduce MemoryOrderings
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43beaa7b by Ben Gamari at 2022-12-15T03:54:02-05:00
llvm: Respect memory specified orderings
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8faf74fc by Ben Gamari at 2022-12-15T03:54:02-05:00
Codegen/x86: Eliminate barrier for relaxed accesses
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6cc3944a by Ben Gamari at 2022-12-15T03:54:02-05:00
cmm/Parser: Reduce some repetition
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6c9862c4 by Ben Gamari at 2022-12-15T03:54:02-05:00
cmm/Parser: Add syntax for ordered loads and stores
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748490d2 by Ben Gamari at 2022-12-15T03:54:02-05:00
cmm/Parser: Atomic load syntax
Originally I had thought I would just use the `prim` call syntax instead
of introducing new syntax for atomic loads. However, it turns out that
`prim` call syntax tends to make things quite unreadable. This new
syntax seems quite natural.
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28c6781a by Ben Gamari at 2022-12-15T03:54:02-05:00
codeGen: Introduce ThreadSanitizer instrumentation
This introduces a new Cmm pass which instruments the program with
ThreadSanitizer annotations, allowing full tracking of mutator memory
accesses via TSAN.
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d97aa311 by Ben Gamari at 2022-12-15T03:54:02-05:00
Hadrian: Drop TSAN_ENABLED define from flavour
This is redundant since the TSANUtils.h already defines it.
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86974ef1 by Ben Gamari at 2022-12-15T03:54:02-05:00
hadrian: Enable Cmm instrumentation in TSAN flavour
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93723290 by Ben Gamari at 2022-12-15T03:54:02-05:00
rts: Ensure that global regs are never passed as fun call args
This is in general unsafe as they may be clobbered if they are mapped to
caller-saved machine registers. See Note [Register parameter passing].
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2eb0fb87 by Matthew Pickering at 2022-12-15T03:54:39-05:00
Package Imports: Get candidate packages also from re-exported modules
Previously we were just looking at the direct imports to try and work
out what a package qualifier could apply to but #22333 pointed out we
also needed to look for reexported modules.
Fixes #22333
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552b7908 by Ben Gamari at 2022-12-15T03:55:15-05:00
compiler: Ensure that MutVar operations have necessary barriers
Here we add acquire and release barriers in readMutVar# and
writeMutVar#, which are necessary for soundness.
Fixes #22468.
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933d61a4 by Simon Peyton Jones at 2022-12-15T03:55:51-05:00
Fix bogus test in Lint
The Lint check for branch compatiblity within an axiom, in
GHC.Core.Lint.compatible_branches was subtly different to the
check made when contructing an axiom, in
GHC.Core.FamInstEnv.compatibleBranches.
The latter is correct, so I killed the former and am now using the
latter.
On the way I did some improvements to pretty-printing and documentation.
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03ed0b95 by Ryan Scott at 2022-12-15T03:56:26-05:00
checkValidInst: Don't expand synonyms when splitting sigma types
Previously, the `checkValidInst` function (used when checking that an instance
declaration is headed by an actual type class, not a type synonym) was using
`tcSplitSigmaTy` to split apart the `forall`s and instance context. This is
incorrect, however, as `tcSplitSigmaTy` expands type synonyms, which can cause
instances headed by quantified constraint type synonyms to be accepted
erroneously.
This patch introduces `splitInstTyForValidity`, a variant of `tcSplitSigmaTy`
specialized for validity checking that does _not_ expand type synonyms, and
uses it in `checkValidInst`.
Fixes #22570.
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ed056bc3 by Ben Gamari at 2022-12-16T16:12:44-05:00
rts/Messages: Refactor
This doesn't change behavior but makes the code a bit easier to follow.
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7356f8e0 by Ben Gamari at 2022-12-16T16:12:44-05:00
rts/ThreadPaused: Ordering fixes
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914f0025 by Ben Gamari at 2022-12-16T16:12:44-05:00
eventlog: Silence spurious data race
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fbc84244 by Ben Gamari at 2022-12-16T16:12:44-05:00
Introduce SET_INFO_RELEASE for Cmm
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821b5472 by Ben Gamari at 2022-12-16T16:12:44-05:00
rts: Use fences instead of explicit barriers
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2228c999 by Ben Gamari at 2022-12-16T16:12:44-05:00
rts/stm: Fix memory ordering in readTVarIO#
See #22421.
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99269b9f by Ben Gamari at 2022-12-16T16:12:44-05:00
Improve heap memory barrier Note
Also introduce MUT_FIELD marker in Closures.h to document mutable
fields.
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70999283 by Ben Gamari at 2022-12-16T16:12:44-05:00
rts: Introduce getNumCapabilities
And ensure accesses to n_capabilities are atomic (although with relaxed
ordering). This is necessary as RTS API callers may concurrently call
into the RTS without holding a capability.
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98689f77 by Ben Gamari at 2022-12-16T16:12:44-05:00
ghc: Fix data race in dump file handling
Previously the dump filename cache would use a non-atomic update which
could potentially result in lost dump contents. Note that this is still
a bit racy since the first writer may lag behind a later appending
writer.
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605d9547 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Always use atomics for context_switch and interrupt
Since these are modified by the timer handler.
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86f20258 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts/Timer: Always use atomic operations
As noted in #22447, the existence of the pthread-based ITimer
implementation means that we cannot assume that the program is
single-threaded.
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f8e901dc by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Encapsulate recent_activity access
This makes it easier to ensure that it is accessed using the necessary
atomic operations.
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e0affaa9 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Encapsulate access to capabilities array
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7ca683e4 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Encapsulate sched_state
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1cf13bd0 by Ben Gamari at 2022-12-16T16:12:45-05:00
PrimOps: Fix benign MutVar race
Relaxed ordering is fine here since the later CAS implies a release.
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3d2a7e08 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Style fix
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82c62074 by Ben Gamari at 2022-12-16T16:12:45-05:00
compiler: Use release store in eager blackholing
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eb1a0136 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Fix ordering of makeStableName
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ad0e260a by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Use ordered accesses instead of explicit barriers
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a3eccf06 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Statically allocate capabilities
This is a rather simplistic way of solving #17289.
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287fa3fb by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Ensure that all accesses to pending_sync are atomic
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351eae58 by Ben Gamari at 2022-12-16T16:12:45-05:00
rts: Note race with wakeBlockingQueue
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5acf33dd by Bodigrim at 2022-12-16T16:13:22-05:00
Bump submodule directory to 1.3.8.0 and hpc to HEAD
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0dd95421 by Bodigrim at 2022-12-16T16:13:22-05:00
Accept allocations increase on Windows
This is because of `filepath-1.4.100.0` and AFPP, causing increasing round-trips
between lists and ByteArray. See #22625 for discussion.
Metric Increase:
MultiComponentModules
MultiComponentModulesRecomp
MultiLayerModules
MultiLayerModulesRecomp
T10421
T10547
T12150
T12227
T12234
T12425
T13035
T13253
T13253-spj
T13701
T13719
T15703
T16875
T18140
T18282
T18304
T18698a
T18698b
T18923
T20049
T21839c
T21839r
T5837
T6048
T9198
T9961
TcPlugin_RewritePerf
hard_hole_fits
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ef9ac9d2 by Cheng Shao at 2022-12-16T16:13:59-05:00
testsuite: Mark T9405 as fragile instead of broken on Windows
It's starting to pass again, and the unexpected pass blocks CI.
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1f3abd85 by Cheng Shao at 2022-12-16T21:16:28+00:00
compiler: remove obsolete commented code in wasm NCG
It was just a temporary hack to workaround a bug in the relooper, that
bug has been fixed long before the wasm backend is merged.
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e3104eab by Cheng Shao at 2022-12-16T21:16:28+00:00
compiler: add missing export list of GHC.CmmToAsm.Wasm.FromCmm
Also removes some unreachable code here.
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1c6930bf by Cheng Shao at 2022-12-16T21:16:28+00:00
compiler: change fallback function signature to Cmm function signature in wasm NCG
In the wasm NCG, when handling a `CLabel` of undefined function
without knowing its function signature, we used to fallback to `() ->
()` which is accepted by `wasm-ld`. This patch changes it to the
signature of Cmm functions, which equally works, but would be required
when we emit tail call instructions.
- - - - -
8a81d9d9 by Cheng Shao at 2022-12-16T21:16:28+00:00
compiler: add optional tail-call support in wasm NCG
When the `-mtail-call` clang flag is passed at configure time, wasm
tail-call extension is enabled, and the wasm NCG will emit
`return_call`/`return_call_indirect` instructions to take advantage of
it and avoid the `StgRun` trampoline overhead.
Closes #22461.
- - - - -
d1431cc0 by Cheng Shao at 2022-12-17T08:07:15-05:00
base: add missing autoconf checks for waitpid/umask
These are not present in wasi-libc. Required for fixing #22589
- - - - -
da3f1e91 by Cheng Shao at 2022-12-17T08:07:51-05:00
compiler: make .wasm the default executable extension on wasm32
Following convention as in other wasm toolchains. Fixes #22594.
- - - - -
ad21f4ef by Cheng Shao at 2022-12-17T08:07:51-05:00
ci: support hello.wasm in ci.sh cross testing logic
- - - - -
6fe2d778 by amesgen at 2022-12-18T19:33:49-05:00
Correct `exitWith` Haddocks
The `IOError`-specific `catch` in the Prelude is long gone.
- - - - -
b3eacd64 by Ben Gamari at 2022-12-18T19:34:24-05:00
rts: Drop racy assertion
0e274c39bf836d5bb846f5fa08649c75f85326ac added an assertion in
`dirty_MUT_VAR` checking that the MUT_VAR being dirtied was clean.
However, this isn't necessarily the case since another thread may have
raced us to dirty the object.
- - - - -
761c1f49 by Ben Gamari at 2022-12-18T19:35:00-05:00
rts/libdw: Silence uninitialized usage warnings
As noted in #22538, previously some GCC versions warned that various
locals in Libdw.c may be used uninitialized. Although this wasn't
strictly true (since they were initialized in an inline assembler block)
we fix this by providing explicit empty initializers.
Fixes #22538
- - - - -
5e047eff by Matthew Pickering at 2022-12-20T15:12:04+00:00
testsuite: Mark T16392 as fragile on windows
See #22649
- - - - -
703a4665 by M Farkas-Dyck at 2022-12-20T21:14:46-05:00
Scrub some partiality in `GHC.Cmm.Info.Build`: `doSRTs` takes a `[(CAFSet, CmmDecl)]` but truly wants a `[(CAFSet, CmmStatics)]`.
- - - - -
9736ab74 by Matthew Pickering at 2022-12-20T21:15:22-05:00
packaging: Fix upload_ghc_libs.py script
This change reflects the changes where .cabal files are now generated by
hadrian rather than ./configure.
Fixes #22518
- - - - -
7c6de18d by Ben Gamari at 2022-12-20T21:15:57-05:00
configure: Drop uses of AC_PROG_CC_C99
As noted in #22566, this macro is deprecated as of autoconf-2.70
`AC_PROG_CC` now sets `ac_cv_prog_cc_c99` itself.
Closes #22566.
- - - - -
36c5d98e by Ben Gamari at 2022-12-20T21:15:57-05:00
configure: Use AS_HELP_STRING instead of AC_HELP_STRING
The latter has been deprecated.
See #22566.
- - - - -
befe6ff8 by Bodigrim at 2022-12-20T21:16:37-05:00
GHCi.UI: fix various usages of head and tail
- - - - -
666d0ba7 by Bodigrim at 2022-12-20T21:16:37-05:00
GHCi.UI: avoid head and tail in parseCallEscape and around
- - - - -
5d96fd50 by Bodigrim at 2022-12-20T21:16:37-05:00
Make GHC.Driver.Main.hscTcRnLookupRdrName to return NonEmpty
- - - - -
3ce2ab94 by Bodigrim at 2022-12-21T06:17:56-05:00
Allow transformers-0.6 in ghc, ghci, ghc-bin and hadrian
- - - - -
954de93a by Bodigrim at 2022-12-21T06:17:56-05:00
Update submodule haskeline to HEAD (to allow transformers-0.6)
- - - - -
cefbeec3 by Bodigrim at 2022-12-21T06:17:56-05:00
Update submodule transformers to 0.6.0.4
- - - - -
b4730b62 by Bodigrim at 2022-12-21T06:17:56-05:00
Fix tests
T13253 imports MonadTrans, which acquired a quantified constraint in transformers-0.6, thus increase in allocations
Metric Increase:
T13253
- - - - -
0be75261 by Simon Peyton Jones at 2022-12-21T06:18:32-05:00
Abstract over the right free vars
Fix #22459, in two ways:
(1) Make the Specialiser not create a bogus specialisation if
it is presented by strangely polymorphic dictionary.
See Note [Weird special case in SpecDict] in
GHC.Core.Opt.Specialise
(2) Be more careful in abstractFloats
See Note [Which type variables to abstract over]
in GHC.Core.Opt.Simplify.Utils.
So (2) stops creating the excessively polymorphic dictionary in
abstractFloats, while (1) stops crashing if some other pass should
nevertheless create a weirdly polymorphic dictionary.
- - - - -
df7bc6b3 by Ying-Ruei Liang (TheKK) at 2022-12-21T14:31:54-05:00
rts: explicitly store return value of ccall checkClosure to prevent type error (#22617)
- - - - -
e193e537 by Simon Peyton Jones at 2022-12-21T14:32:30-05:00
Fix shadowing lacuna in OccurAnal
Issue #22623 demonstrated another lacuna in the implementation
of wrinkle (BS3) in Note [The binder-swap substitution] in
the occurrence analyser.
I was failing to add TyVar lambda binders using
addInScope/addOneInScope and that led to a totally bogus binder-swap
transformation.
Very easy to fix.
- - - - -
3d55d8ab by Simon Peyton Jones at 2022-12-21T14:32:30-05:00
Fix an assertion check in addToEqualCtList
The old assertion saw that a constraint ct could rewrite itself
(of course it can) and complained (stupid).
Fixes #22645
- - - - -
ceb2e9b9 by Ben Gamari at 2022-12-21T15:26:08-05:00
configure: Bump version to 9.6
- - - - -
fb4d36c4 by Ben Gamari at 2022-12-21T15:27:49-05:00
base: Bump version to 4.18
Requires various submodule bumps.
- - - - -
93ee7e90 by Ben Gamari at 2022-12-21T15:27:49-05:00
ghc-boot: Fix bootstrapping
- - - - -
fc3a2232 by Ben Gamari at 2022-12-22T13:45:06-05:00
Bump GHC version to 9.7
- - - - -
914f7fe3 by Andreas Klebinger at 2022-12-22T23:36:10-05:00
Don't consider large byte arrays/compact regions pinned.
Workaround for #22255 which showed how treating large/compact regions
as pinned could cause segfaults.
- - - - -
32b32d7f by Matthew Pickering at 2022-12-22T23:36:46-05:00
hadrian bindist: Install manpages to share/man/man1/ghc.1
When the installation makefile was copied over the manpages were no
longer installed in the correct place. Now we install it into share/man/man1/ghc.1
as the make build system did.
Fixes #22371
- - - - -
b3ddf803 by Ben Gamari at 2022-12-22T23:37:23-05:00
rts: Drop paths from configure from cabal file
A long time ago we would rely on substitutions from the configure script
to inject paths of the include and library directories of libffi and
libdw. However, now these are instead handled inside Hadrian when
calling Cabal's `configure` (see the uses of `cabalExtraDirs` in
Hadrian's `Settings.Packages.packageArgs`).
While the occurrences in the cabal file were redundant, they did no
harm. However, since b5c714545abc5f75a1ffdcc39b4bfdc7cd5e64b4 they have
no longer been interpolated. @mpickering noticed the suspicious
uninterpolated occurrence of `@FFIIncludeDir@` in #22595,
prompting this commit to finally remove them.
- - - - -
b2c7523d by Ben Gamari at 2022-12-22T23:37:59-05:00
Bump libffi-tarballs submodule
We will now use libffi-3.4.4.
- - - - -
3699a554 by Alan Zimmerman at 2022-12-22T23:38:35-05:00
EPA: Make EOF position part of AnnsModule
Closes #20951
Closes #19697
- - - - -
99757ce8 by Sylvain Henry at 2022-12-22T23:39:13-05:00
JS: fix support for -outputdir (#22641)
The `-outputdir` option wasn't correctly handled with the JS backend
because the same code path was used to handle both objects produced by
the JS backend and foreign .js files. Now we clearly distinguish the
two in the pipeline, fixing the bug.
- - - - -
02ed7d78 by Simon Peyton Jones at 2022-12-22T23:39:49-05:00
Refactor mkRuntimeError
This patch fixes #22634. Because we don't have TYPE/CONSTRAINT
polymorphism, we need two error functions rather than one.
I took the opportunity to rname runtimeError to impossibleError,
to line up with mkImpossibleExpr, and avoid confusion with the
genuine runtime-error-constructing functions.
- - - - -
35267f07 by Ben Gamari at 2022-12-22T23:40:32-05:00
base: Fix event manager shutdown race on non-Linux platforms
During shutdown it's possible that we will attempt to use a closed fd
to wakeup another capability's event manager. On the Linux eventfd path
we were careful to handle this. However on the non-Linux path we failed
to do so. Fix this.
- - - - -
317f45c1 by Simon Peyton Jones at 2022-12-22T23:41:07-05:00
Fix unifier bug: failing to decompose over-saturated type family
This simple patch fixes #22647
- - - - -
14b2e3d3 by Ben Gamari at 2022-12-22T23:41:42-05:00
rts/m32: Fix sanity checking
Previously we would attempt to clear pages which were marked as
read-only. Fix this.
- - - - -
16a1bcd1 by Matthew Pickering at 2022-12-23T09:15:24+00:00
ci: Move wasm pipelines into nightly rather than master
See #22664 for the changes which need to be made to bring one of these
back to the validate pipeline.
- - - - -
18d2acd2 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Fix race in marking of blackholes
We must use an acquire-fence when marking to ensure that the indirectee
is visible.
- - - - -
11241efa by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Fix segment list races
- - - - -
602455c9 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Use atomic when looking at bd->gen
Since it may have been mutated by a moving GC.
- - - - -
9d63b160 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Eliminate race in bump_static_flag
To ensure that we don't race with a mutator entering a new CAF we take
the SM mutex before touching static_flag. The other option here would be
to instead modify newCAF to use a CAS but the present approach is a bit
safer.
- - - - -
26837523 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Ensure that mutable fields have acquire barrier
- - - - -
8093264a by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Fix races in collector status tracking
Mark a number of accesses to do with tracking of the status of the
concurrent collection thread as atomic. No interesting races here,
merely necessary to satisfy TSAN.
- - - - -
387d4fcc by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Make segment state updates atomic
- - - - -
543cae00 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Refactor update remembered set initialization
This avoids a lock inversion between the storage manager mutex and
the stable pointer table mutex by not dropping the SM_MUTEX in
nonmovingCollect. This requires quite a bit of rejiggering but it
does seem like a better strategy.
- - - - -
c9936718 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Ensure that we aren't holding locks when closing them
TSAN complains about this sort of thing.
- - - - -
0cd31f7d by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Make bitmap accesses atomic
This is a benign race on any sensible hard since these are byte
accesses. Nevertheless, atomic accesses are necessary to satisfy
TSAN.
- - - - -
d3fe110a by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Fix benign race in update remembered set check
Relaxed load is fine here since we will take the lock before looking at
the list.
- - - - -
ab6cf893 by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Fix race in shortcutting
We must use an acquire load to read the info table pointer since if we
find an indirection we must be certain that we see the indirectee.
- - - - -
36c9f23c by Ben Gamari at 2022-12-23T19:09:30-05:00
nonmoving: Make free list counter accesses atomic
Since these may race with the allocator(s).
- - - - -
aebef31c by doyougnu at 2022-12-23T19:10:09-05:00
add GHC.Utils.Binary.foldGet' and use for Iface
A minor optimization to remove lazy IO and a lazy accumulator
strictify foldGet'
IFace.Binary: use strict foldGet'
remove superfluous bang
- - - - -
5eb357d9 by Ben Gamari at 2022-12-24T00:41:05-05:00
compiler: Ensure that GHC toolchain is first in search path
As noted in #22561, it is important that GHC's toolchain look
first for its own headers and libraries to ensure that the
system's are not found instead. If this happens things can
break in surprising ways (e.g. see #22561).
- - - - -
cbaebfb9 by Matthew Pickering at 2022-12-24T00:41:40-05:00
head.hackage: Use slow-validate bindist for linting jobs
This enables the SLOW_VALIDATE env var for the linting head.hackage
jobs, namely the jobs enabled manually, by the label or on the nightly
build now use the deb10-numa-slow-validate bindist which has assertions
enabled.
See #22623 for a ticket which was found by using this configuration
already!
The head.hackage jobs triggered by upstream CI are now thusly:
hackage-lint: Can be triggered on any MR, normal validate pipeline or nightly build.
Runs head.hackage with -dlint and a slow-validate bindist
hackage-label-lint: Trigged on MRs with "user-facing" label, runs the slow-validate
head.hackage build with -dlint.
nightly-hackage-lint: Runs automatically on nightly pipelines with slow-validate + dlint config.
nightly-hackage-perf: Runs automaticaly on nightly pipelines with release build and eventlogging enabled.
release-hackage-lint: Runs automatically on release pipelines with -dlint on a release bindist.
- - - - -
f4850f36 by Matthew Pickering at 2022-12-24T00:41:40-05:00
ci: Don't run abi-test-nightly on release jobs
The test is not configured to get the correct dependencies for the
release pipelines (and indeed stops the release pipeline being run at
all)
- - - - -
c264b06b by Matthew Pickering at 2022-12-24T00:41:40-05:00
ci: Run head.hackage jobs on upstream-testing branch rather than master
This change allows less priviledged users to trigger head.hackage jobs
because less permissions are needed to trigger jobs on the
upstream-testing branch, which is not protected.
There is a CI job which updates upstream-testing each hour to the state
of the master branch so it should always be relatively up-to-date.
- - - - -
63b97430 by Ben Gamari at 2022-12-24T00:42:16-05:00
llvmGen: Fix relaxed ordering
Previously I used LLVM's `unordered` ordering for the C11 `relaxed`
ordering. However, this is wrong and should rather use the LLVM
`monotonic` ordering.
Fixes #22640
- - - - -
f42ba88f by Ben Gamari at 2022-12-24T00:42:16-05:00
gitlab-ci: Introduce aarch64-linux-llvm job
This nightly job will ensure that we don't break the LLVM backend on
AArch64/Linux by bootstrapping GHC.
This would have caught #22640.
- - - - -
6d62f6bf by Matthew Pickering at 2022-12-24T00:42:51-05:00
Store RdrName rather than OccName in Holes
In #20472 it was pointed out that you couldn't defer out of scope but
the implementation collapsed a RdrName into an OccName to stuff it into
a Hole. This leads to the error message for a deferred qualified name
dropping the qualification which affects the quality of the error
message.
This commit adds a bit more structure to a hole, so a hole can replace a
RdrName without losing information about what that RdrName was. This is
important when printing error messages.
I also added a test which checks the Template Haskell deferral of out of
scope qualified names works properly.
Fixes #22130
- - - - -
3c3060e4 by Richard Eisenberg at 2022-12-24T17:34:19+00:00
Drop support for kind constraints.
This implements proposal 547 and closes ticket #22298.
See the proposal and ticket for motivation.
Compiler perf improves a bit
Metrics: compile_time/bytes allocated
-------------------------------------
CoOpt_Singletons(normal) -2.4% GOOD
T12545(normal) +1.0%
T13035(normal) -13.5% GOOD
T18478(normal) +0.9%
T9872d(normal) -2.2% GOOD
geo. mean -0.2%
minimum -13.5%
maximum +1.0%
Metric Decrease:
CoOpt_Singletons
T13035
T9872d
- - - - -
6d7d4393 by Ben Gamari at 2022-12-24T21:09:56-05:00
hadrian: Ensure that linker scripts are used when merging objects
In #22527 @rui314 inadvertantly pointed out a glaring bug in Hadrian's
implementation of the object merging rules: unlike the old `make` build
system we utterly failed to pass the needed linker scripts. Fix this.
- - - - -
a5bd0eb8 by Bodigrim at 2022-12-24T21:10:34-05:00
Document infelicities of instance Ord Double and workarounds
- - - - -
62b9a7b2 by Zubin Duggal at 2023-01-03T12:22:11+00:00
Force the Docs structure to prevent leaks in GHCi with -haddock without -fwrite-interface
Involves adding many new NFData instances.
Without forcing Docs, references to the TcGblEnv for each module are retained
by the Docs structure. Usually these are forced when the ModIface is serialised
but not when we aren't writing the interface.
- - - - -
21bedd84 by Facundo Domínguez at 2023-01-03T23:27:30-05:00
Explain the auxiliary functions of permutations
- - - - -
32255d05 by Matthew Pickering at 2023-01-04T11:58:42+00:00
compiler: Add -f[no-]split-sections flags
Here we add a `-fsplit-sections` flag which may some day replace
`-split-sections`. This has the advantage of automatically providing a
`-fno-split-sections` flag, which is useful for our packaging because we
enable `-split-sections` by default but want to disable it in certain
configurations.
- - - - -
e640940c by Matthew Pickering at 2023-01-04T11:58:42+00:00
hadrian: Fix computation of tables_next_to_code for outOfTreeCompiler
This copy-pasto was introduced in de5fb3489f2a9bd6dc75d0cb8925a27fe9b9084b
- - - - -
15bee123 by Matthew Pickering at 2023-01-04T11:58:42+00:00
hadrian: Add test:all_deps to build just testsuite dependencies
Fixes #22534
- - - - -
fec6638e by Matthew Pickering at 2023-01-04T11:58:42+00:00
hadrian: Add no_split_sections tranformer
This transformer reverts the effect of `split_sections`, which we intend
to use for platforms which don't support split sections.
In order to achieve this we have to modify the implemntation of the
split_sections transformer to store whether we are enabling
split_sections directly in the `Flavour` definition. This is because
otherwise there's no convenient way to turn off split_sections due to
having to pass additional linker scripts when merging objects.
- - - - -
3dc05726 by Matthew Pickering at 2023-01-04T11:58:42+00:00
check-exact: Fix build with -Werror
- - - - -
53a6ae7a by Matthew Pickering at 2023-01-04T11:58:42+00:00
ci: Build all test dependencies with in-tree compiler
This means that these executables will honour flavour transformers such
as "werror".
Fixes #22555
- - - - -
32e264c1 by Matthew Pickering at 2023-01-04T11:58:42+00:00
hadrian: Document using GHC environment variable to select boot compiler
Fixes #22340
- - - - -
be9dd9b0 by Matthew Pickering at 2023-01-04T11:58:42+00:00
packaging: Build perf builds with -split-sections
In 8f71d958 the make build system was made to use split-sections on
linux systems but it appears this logic never made it to hadrian.
There is the split_sections flavour transformer but this doesn't appear
to be used for perf builds on linux.
This is disbled on deb9 and windows due to #21670
Closes #21135
- - - - -
00dc5106 by Matthew Pickering at 2023-01-04T14:32:45-05:00
sphinx: Use modern syntax for extlinks
This fixes the following build error:
```
Command line: /opt/homebrew/opt/sphinx-doc/bin/sphinx-build -b man -d /private/tmp/extra-dir-55768274273/.doctrees-man -n -w /private/tmp/extra-dir-55768274273/.log docs/users_guide /private/tmp/extra-dir-55768274273
===> Command failed with error code: 2
Exception occurred:
File "/opt/homebrew/Cellar/sphinx-doc/6.0.0/libexec/lib/python3.11/site-packages/sphinx/ext/extlinks.py", line 101, in role
title = caption % part
~~~~~~~~^~~~~~
TypeError: not all arguments converted during string formatting
```
I tested on Sphinx-5.1.1 and Sphinx-6.0.0
Thanks for sterni for providing instructions about how to test using
sphinx-6.0.0.
Fixes #22690
- - - - -
541aedcd by Krzysztof Gogolewski at 2023-01-05T10:48:34-05:00
Misc cleanup
- Remove unused uniques and hs-boot declarations
- Fix types of seq and unsafeCoerce#
- Remove FastString/String roundtrip in JS
- Use TTG to enforce totality
- Remove enumeration in Heap/Inspect; the 'otherwise' clause
serves the primitive types well.
- - - - -
22bb8998 by Alan Zimmerman at 2023-01-05T10:49:09-05:00
EPA: Do not collect comments from end of file
In Parser.y semis1 production triggers for the virtual semi at the end
of the file. This is detected by it being zero length.
In this case, do not extend the span being used to gather comments, so
any final comments are allocated at the module level instead.
- - - - -
9e077999 by Vladislav Zavialov at 2023-01-05T23:01:55-05:00
HsToken in TypeArg (#19623)
Updates the haddock submodule.
- - - - -
b2a2db04 by Matthew Pickering at 2023-01-05T23:02:30-05:00
Revert "configure: Drop uses of AC_PROG_CC_C99"
This reverts commit 7c6de18dd3151ead954c210336728e8686c91de6.
Centos7 using a very old version of the toolchain (autotools-2.69) where
the behaviour of these macros has not yet changed. I am reverting this
without haste as it is blocking the 9.6 branch.
Fixes #22704
- - - - -
28f8c0eb by Luite Stegeman at 2023-01-06T18:16:24+09:00
Add support for sized literals in the bytecode interpreter.
The bytecode interpreter only has branching instructions for
word-sized values. These are used for pattern matching.
Branching instructions for other types (e.g. Int16# or Word8#)
weren't needed, since unoptimized Core or STG never requires
branching on types like this.
It's now possible for optimized STG to reach the bytecode
generator (e.g. fat interface files or certain compiler flag
combinations), which requires dealing with various sized
literals in branches.
This patch improves support for generating bytecode from
optimized STG by adding the following new bytecode
instructions:
TESTLT_I64
TESTEQ_I64
TESTLT_I32
TESTEQ_I32
TESTLT_I16
TESTEQ_I16
TESTLT_I8
TESTEQ_I8
TESTLT_W64
TESTEQ_W64
TESTLT_W32
TESTEQ_W32
TESTLT_W16
TESTEQ_W16
TESTLT_W8
TESTEQ_W8
Fixes #21945
- - - - -
ac39e8e9 by Matthew Pickering at 2023-01-06T13:47:00-05:00
Only store Name in FunRhs rather than Id with knot-tied fields
All the issues here have been caused by #18758.
The goal of the ticket is to be able to talk about things like
`LTyClDecl GhcTc`. In the case of HsMatchContext,
the correct "context" is whatever we want, and in fact storing just a
`Name` is sufficient and correct context, even if the rest of the AST is
storing typechecker Ids.
So this reverts (#20415, !5579) which intended to get closed to #18758 but
didn't really and introduced a few subtle bugs.
Printing of an error message in #22695 would just hang, because we would
attempt to print the `Id` in debug mode to assertain whether it was
empty or not. Printing the Name is fine for the error message.
Another consequence is that when `-dppr-debug` was enabled the compiler would
hang because the debug printing of the Id would try and print fields
which were not populated yet.
This also led to 32070e6c2e1b4b7c32530a9566fe14543791f9a6 having to add
a workaround for the `checkArgs` function which was probably a very
similar bug to #22695.
Fixes #22695
- - - - -
c306d939 by Matthew Pickering at 2023-01-06T22:08:53-05:00
ci: Upgrade darwin, windows and freebsd CI to use GHC-9.4.3
Fixes #22599
- - - - -
0db496ff by Matthew Pickering at 2023-01-06T22:08:53-05:00
darwin ci: Explicitly pass desired build triple to configure
On the zw3rk machines for some reason the build machine was inferred to
be arm64. Setting the build triple appropiately resolve this confusion
and we produce x86 binaries.
- - - - -
2459c358 by Ben Gamari at 2023-01-06T22:09:29-05:00
rts: MUT_VAR is not a StgMutArrPtrs
There was previously a comment claiming that the MUT_VAR closure type
had the layout of StgMutArrPtrs.
- - - - -
6206cb92 by Simon Peyton Jones at 2023-01-07T12:14:40-05:00
Make FloatIn robust to shadowing
This MR fixes #22622. See the new
Note [Shadowing and name capture]
I did a bit of refactoring in sepBindsByDropPoint too.
The bug doesn't manifest in HEAD, but it did show up in 9.4,
so we should backport this patch to 9.4
- - - - -
a960ca81 by Matthew Pickering at 2023-01-07T12:15:15-05:00
T10955: Set DYLD_LIBRARY_PATH for darwin
The correct path to direct the dynamic linker on darwin is
DYLD_LIBRARY_PATH rather than LD_LIBRARY_PATH. On recent versions of OSX
using LD_LIBRARY_PATH seems to have stopped working.
For more reading see:
https://stackoverflow.com/questions/3146274/is-it-ok-to-use-dyld-library-path-on-mac-os-x-and-whats-the-dynamic-library-s
- - - - -
73484710 by Matthew Pickering at 2023-01-07T12:15:15-05:00
Skip T18623 on darwin (to add to the long list of OSs)
On recent versions of OSX, running `ulimit -v` results in
```
ulimit: setrlimit failed: invalid argument
```
Time is too short to work out what random stuff Apple has been doing
with ulimit, so just skip the test like we do for other platforms.
- - - - -
8c0ea25f by Matthew Pickering at 2023-01-07T12:15:15-05:00
Pass -Wl,-no_fixup_chains to ld64 when appropiate
Recent versions of MacOS use a version of ld where `-fixup_chains` is on by default.
This is incompatible with our usage of `-undefined dynamic_lookup`. Therefore we
explicitly disable `fixup-chains` by passing `-no_fixup_chains` to the linker on
darwin. This results in a warning of the form:
ld: warning: -undefined dynamic_lookup may not work with chained fixups
The manual explains the incompatible nature of these two flags:
-undefined treatment
Specifies how undefined symbols are to be treated. Options are: error, warning,
suppress, or dynamic_lookup. The default is error. Note: dynamic_lookup that
depends on lazy binding will not work with chained fixups.
A relevant ticket is #22429
Here are also a few other links which are relevant to the issue:
Official comment: https://developer.apple.com/forums/thread/719961
More relevant links:
https://openradar.appspot.com/radar?id=5536824084660224
https://github.com/python/cpython/issues/97524
Note in release notes: https://developer.apple.com/documentation/xcode-release-notes/xcode-13-releas e-notes
- - - - -
365b3045 by Matthew Pickering at 2023-01-09T02:36:20-05:00
Disable split sections on aarch64-deb10 build
See #22722
Failure on this job:
https://gitlab.haskell.org/ghc/ghc/-/jobs/1287852
```
Unexpected failures:
/builds/ghc/ghc/tmp/ghctest-s3d8g1hj/test spaces/testsuite/tests/th/T10828.run T10828 [exit code non-0] (ext-interp)
/builds/ghc/ghc/tmp/ghctest-s3d8g1hj/test spaces/testsuite/tests/th/T13123.run T13123 [exit code non-0] (ext-interp)
/builds/ghc/ghc/tmp/ghctest-s3d8g1hj/test spaces/testsuite/tests/th/T20590.run T20590 [exit code non-0] (ext-interp)
Appending 232 stats to file: /builds/ghc/ghc/performance-metrics.tsv
```
```
Compile failed (exit code 1) errors were:
data family D_0 a_1 :: * -> *
data instance D_0 GHC.Types.Int GHC.Types.Bool :: * where
DInt_2 :: D_0 GHC.Types.Int GHC.Types.Bool
data E_3 where MkE_4 :: a_5 -> E_3
data Foo_6 a_7 b_8 where
MkFoo_9, MkFoo'_10 :: a_11 -> Foo_6 a_11 b_12
newtype Bar_13 :: * -> GHC.Types.Bool -> * where
MkBar_14 :: a_15 -> Bar_13 a_15 b_16
data T10828.T (a_0 :: *) where
T10828.MkT :: forall (a_1 :: *) . a_1 -> a_1 -> T10828.T a_1
T10828.MkC :: forall (a_2 :: *) (b_3 :: *) . (GHC.Types.~) a_2
GHC.Types.Int => {T10828.foo :: a_2,
T10828.bar :: b_3} -> T10828.T GHC.Types.Int
T10828.hs:1:1: error: [GHC-87897]
Exception when trying to run compile-time code:
ghc-iserv terminated (-4)
Code: (do TyConI dec <- runQ $ reify (mkName "T")
runIO $ putStrLn (pprint dec) >> hFlush stdout
d <- runQ
$ [d| data T' a :: Type
where
MkT' :: a -> a -> T' a
MkC' :: forall a b. (a ~ Int) => {foo :: a, bar :: b} -> T' Int |]
runIO $ putStrLn (pprint d) >> hFlush stdout
....)
*** unexpected failure for T10828(ext-interp)
=====> 7000 of 9215 [0, 1, 0]
=====> 7000 of 9215 [0, 1, 0]
=====> 7000 of 9215 [0, 1, 0]
=====> 7000 of 9215 [0, 1, 0]
Compile failed (exit code 1) errors were:
T13123.hs:1:1: error: [GHC-87897]
Exception when trying to run compile-time code:
ghc-iserv terminated (-4)
Code: ([d| data GADT
where MkGADT :: forall k proxy (a :: k). proxy a -> GADT |])
*** unexpected failure for T13123(ext-interp)
=====> 7100 of 9215 [0, 2, 0]
=====> 7100 of 9215 [0, 2, 0]
=====> 7200 of 9215 [0, 2, 0]
Compile failed (exit code 1) errors were:
T20590.hs:1:1: error: [GHC-87897]
Exception when trying to run compile-time code:
ghc-iserv terminated (-4)
Code: ([d| data T where MkT :: forall a. a -> T |])
*** unexpected failure for T20590(ext-interp)
```
Looks fairly worrying to me.
- - - - -
965a2735 by Alan Zimmerman at 2023-01-09T02:36:20-05:00
EPA: exact print HsDocTy
To match ghc-exactprint
https://github.com/alanz/ghc-exactprint/pull/121
- - - - -
5d65773e by John Ericson at 2023-01-09T20:39:27-05:00
Remove RTS hack for configuring
See the brand new Note [Undefined symbols in the RTS] for additional
details.
- - - - -
e3fff751 by Sebastian Graf at 2023-01-09T20:40:02-05:00
Handle shadowing in DmdAnal (#22718)
Previously, when we had a shadowing situation like
```hs
f x = ... -- demand signature <1L><1L>
main = ... \f -> f 1 ...
```
we'd happily use the shadowed demand signature at the call site inside the
lambda. Of course, that's wrong and solution is simply to remove the demand
signature from the `AnalEnv` when we enter the lambda.
This patch does so for all binding constructs Core.
In #22718 the issue was caused by LetUp not shadowing away the existing demand
signature for the let binder in the let body. The resulting absent error is
fickle to reproduce; hence no reproduction test case. #17478 would help.
Fixes #22718.
It appears that TcPlugin_Rewrite regresses by ~40% on Darwin. It is likely that
DmdAnal was exploiting ill-scoped analysis results.
Metric increase ['bytes allocated'] (test_env=x86_64-darwin-validate):
TcPlugin_Rewrite
- - - - -
d53f6f4d by Oleg Grenrus at 2023-01-09T21:11:02-05:00
Add safe list indexing operator: !?
With Joachim's amendments.
Implements https://github.com/haskell/core-libraries-committee/issues/110
- - - - -
cfaf1ad7 by Nicolas Trangez at 2023-01-09T21:11:03-05:00
rts, tests: limit thread name length to 15 bytes
On Linux, `pthread_setname_np` (or rather, the kernel) only allows for
thread names up to 16 bytes, including the terminating null byte.
This commit adds a note pointing this out in `createOSThread`, and fixes
up two instances where a thread name of more than 15 characters long was
used (in the RTS, and in a test-case).
Fixes: #22366
Fixes: https://gitlab.haskell.org/ghc/ghc/-/issues/22366
See: https://gitlab.haskell.org/ghc/ghc/-/issues/22366#note_460796
- - - - -
64286132 by Matthew Pickering at 2023-01-09T21:11:03-05:00
Store bootstrap_llvm_target and use it to set LlvmTarget in bindists
This mirrors some existing logic for the bootstrap_target which
influences how TargetPlatform is set.
As described on #21970 not storing this led to `LlvmTarget` being set incorrectly
and hence the wrong `--target` flag being passed to the C compiler.
Towards #21970
- - - - -
4724e8d1 by Matthew Pickering at 2023-01-09T21:11:04-05:00
Check for FP_LD_NO_FIXUP_CHAINS in installation configure script
Otherwise, when installing from a bindist the C flag isn't passed to the
C compiler.
This completes the fix for #22429
- - - - -
2e926b88 by Georgi Lyubenov at 2023-01-09T21:11:07-05:00
Fix outdated link to Happy section on sequences
- - - - -
146a1458 by Matthew Pickering at 2023-01-09T21:11:07-05:00
Revert "NCG(x86): Compile add+shift as lea if possible."
This reverts commit 20457d775885d6c3df020d204da9a7acfb3c2e5a.
See #22666 and #21777
- - - - -
6e6adbe3 by Jade Lovelace at 2023-01-11T00:55:30-05:00
Fix tcPluginRewrite example
- - - - -
faa57138 by Jade Lovelace at 2023-01-11T00:55:31-05:00
fix missing haddock pipe
- - - - -
0470ea7c by Florian Weimer at 2023-01-11T00:56:10-05:00
m4/fp_leading_underscore.m4: Avoid implicit exit function declaration
And switch to a new-style function definition.
Fixes build issues with compilers that do not accept implicit function
declarations.
- - - - -
b2857df4 by HaskellMouse at 2023-01-11T00:56:52-05:00
Added a new warning about compatibility with RequiredTypeArguments
This commit introduces a new warning
that indicates code incompatible with
future extension: RequiredTypeArguments.
Enabling this extension may break some code and the warning
will help to make it compatible in advance.
- - - - -
5f17e21a by Ben Gamari at 2023-01-11T00:57:27-05:00
testsuite: Drop testheapalloced.c
As noted in #22414, this file (which appears to be a benchmark for
characterising the one-step allocator's MBlock cache) is currently
unreferenced. Remove it.
Closes #22414.
- - - - -
bc125775 by Vladislav Zavialov at 2023-01-11T00:58:03-05:00
Introduce the TypeAbstractions language flag
GHC Proposals #448 "Modern scoped type variables"
and #425 "Invisible binders in type declarations"
introduce a new language extension flag: TypeAbstractions.
Part of the functionality guarded by this flag has already been
implemented, namely type abstractions in constructor patterns, but it
was guarded by a combination of TypeApplications and ScopedTypeVariables
instead of a dedicated language extension flag.
This patch does the following:
* introduces a new language extension flag TypeAbstractions
* requires TypeAbstractions for @a-syntax in constructor patterns
instead of TypeApplications and ScopedTypeVariables
* creates a User's Guide page for TypeAbstractions and
moves the "Type Applications in Patterns" section there
To avoid a breaking change, the new flag is implied by
ScopedTypeVariables and is retroactively added to GHC2021.
Metric Decrease:
MultiLayerModulesTH_OneShot
- - - - -
083f7015 by Krzysztof Gogolewski at 2023-01-11T00:58:38-05:00
Misc cleanup
- Remove unused mkWildEvBinder
- Use typeTypeOrConstraint - more symmetric and asserts that
that the type is Type or Constraint
- Fix escape sequences in Python; they raise a deprecation warning
with -Wdefault
- - - - -
aed1974e by Richard Eisenberg at 2023-01-11T08:30:42+00:00
Refactor the treatment of loopy superclass dicts
This patch completely re-engineers how we deal with loopy superclass
dictionaries in instance declarations. It fixes #20666 and #19690
The highlights are
* Recognise that the loopy-superclass business should use precisely
the Paterson conditions. This is much much nicer. See
Note [Recursive superclasses] in GHC.Tc.TyCl.Instance
* With that in mind, define "Paterson-smaller" in
Note [Paterson conditions] in GHC.Tc.Validity, and the new
data type `PatersonSize` in GHC.Tc.Utils.TcType, along with
functions to compute and compare PatsonSizes
* Use the new PatersonSize stuff when solving superclass constraints
See Note [Solving superclass constraints] in GHC.Tc.TyCl.Instance
* In GHC.Tc.Solver.Monad.lookupInInerts, add a missing call to
prohibitedSuperClassSolve. This was the original cause of #20666.
* Treat (TypeError "stuff") as having PatersonSize zero. See
Note [Paterson size for type family applications] in GHC.Tc.Utils.TcType.
* Treat the head of a Wanted quantified constraint in the same way
as the superclass of an instance decl; this is what fixes #19690.
See GHC.Tc.Solver.Canonical Note [Solving a Wanted forall-constraint]
(Thanks to Matthew Craven for this insight.)
This entailed refactoring the GivenSc constructor of CtOrigin a bit,
to say whether it comes from an instance decl or quantified constraint.
* Some refactoring way in which redundant constraints are reported; we
don't want to complain about the extra, apparently-redundant
constraints that we must add to an instance decl because of the
loopy-superclass thing. I moved some work from GHC.Tc.Errors to
GHC.Tc.Solver.
* Add a new section to the user manual to describe the loopy
superclass issue and what rules it follows.
- - - - -
300bcc15 by HaskellMouse at 2023-01-11T13:43:36-05:00
Parse qualified terms in type signatures
This commit allows qualified terms in type
signatures to pass the parser and to be cathced by renamer
with more informative error message. Adds a few tests.
Fixes #21605
- - - - -
964284fc by Simon Peyton Jones at 2023-01-11T13:44:12-05:00
Fix void-arg-adding mechanism for worker/wrapper
As #22725 shows, in worker/wrapper we must add the void argument
/last/, not first. See GHC.Core.Opt.WorkWrap.Utils
Note [Worker/wrapper needs to add void arg last].
That led me to to study GHC.Core.Opt.SpecConstr
Note [SpecConstr needs to add void args first] which suggests the
opposite! And indeed I think it's the other way round for SpecConstr
-- or more precisely the void arg must precede the "extra_bndrs".
That led me to some refactoring of GHC.Core.Opt.SpecConstr.calcSpecInfo.
- - - - -
f7ceafc9 by Krzysztof Gogolewski at 2023-01-11T22:36:59-05:00
Add 'docWithStyle' to improve codegen
This new combinator
docWithStyle :: IsOutput doc => doc -> (PprStyle -> SDoc) -> doc
let us remove the need for code to be polymorphic in HDoc
when not used in code style.
Metric Decrease:
ManyConstructors
T13035
T1969
- - - - -
b3be0d18 by Simon Peyton Jones at 2023-01-11T22:37:35-05:00
Fix finaliseArgBoxities for OPAQUE function
We never do worker wrapper for OPAQUE functions, so we must
zap the unboxing info during strictness analysis.
This patch fixes #22502
- - - - -
db11f358 by Ben Gamari at 2023-01-12T07:49:04-05:00
Revert "rts: Drop racy assertion"
The logic here was inverted. Reverting the commit to avoid confusion
when examining the commit history.
This reverts commit b3eacd64fb36724ed6c5d2d24a81211a161abef1.
- - - - -
3242139f by Ben Gamari at 2023-01-12T07:49:04-05:00
rts: Drop racy assertion
0e274c39bf836d5bb846f5fa08649c75f85326ac added an assertion in
`dirty_MUT_VAR` checking that the MUT_VAR being dirtied was clean.
However, this isn't necessarily the case since another thread may have
raced us to dirty the object.
- - - - -
9ffd5d57 by Ben Gamari at 2023-01-12T07:49:41-05:00
configure: Fix escaping of `$tooldir`
In !9547 I introduced `$tooldir` directories into GHC's default link and
compilation flags to ensure that our C toolchain finds its own headers
and libraries before others on the system. However, the patch was subtly
wrong in the escaping of `$tooldir`. Fix this.
Fixes #22561.
- - - - -
905d0b6e by Sebastian Graf at 2023-01-12T15:51:47-05:00
Fix contification with stable unfoldings (#22428)
Many functions now return a `TailUsageDetails` that adorns a `UsageDetails` with
a `JoinArity` that reflects the number of join point binders around the body
for which the `UsageDetails` was computed. `TailUsageDetails` is now returned by
`occAnalLamTail` as well as `occAnalUnfolding` and `occAnalRules`.
I adjusted `Note [Join points and unfoldings/rules]` and
`Note [Adjusting right-hand sides]` to account for the new machinery.
I also wrote a new `Note [Join arity prediction based on joinRhsArity]`
and refer to it when we combine `TailUsageDetails` for a recursive RHS.
I also renamed
* `occAnalLam` to `occAnalLamTail`
* `adjustRhsUsage` to `adjustTailUsage`
* a few other less important functions
and properly documented the that each call of `occAnalLamTail` must pair up with
`adjustTailUsage`.
I removed `Note [Unfoldings and join points]` because it was redundant with
`Note [Occurrences in stable unfoldings]`.
While in town, I refactored `mkLoopBreakerNodes` so that it returns a condensed
`NodeDetails` called `SimpleNodeDetails`.
Fixes #22428.
The refactoring seems to have quite beneficial effect on ghc/alloc performance:
```
CoOpt_Read(normal) ghc/alloc 784,778,420 768,091,176 -2.1% GOOD
T12150(optasm) ghc/alloc 77,762,270 75,986,720 -2.3% GOOD
T12425(optasm) ghc/alloc 85,740,186 84,641,712 -1.3% GOOD
T13056(optasm) ghc/alloc 306,104,656 299,811,632 -2.1% GOOD
T13253(normal) ghc/alloc 350,233,952 346,004,008 -1.2%
T14683(normal) ghc/alloc 2,800,514,792 2,754,651,360 -1.6%
T15304(normal) ghc/alloc 1,230,883,318 1,215,978,336 -1.2%
T15630(normal) ghc/alloc 153,379,590 151,796,488 -1.0%
T16577(normal) ghc/alloc 7,356,797,056 7,244,194,416 -1.5%
T17516(normal) ghc/alloc 1,718,941,448 1,692,157,288 -1.6%
T19695(normal) ghc/alloc 1,485,794,632 1,458,022,112 -1.9%
T21839c(normal) ghc/alloc 437,562,314 431,295,896 -1.4% GOOD
T21839r(normal) ghc/alloc 446,927,580 440,615,776 -1.4% GOOD
geo. mean -0.6%
minimum -2.4%
maximum -0.0%
```
Metric Decrease:
CoOpt_Read
T10421
T12150
T12425
T13056
T18698a
T18698b
T21839c
T21839r
T9961
- - - - -
a1491c87 by Andreas Klebinger at 2023-01-12T15:52:23-05:00
Only gc sparks locally when we can ensure marking is done.
When performing GC without work stealing there was no guarantee that
spark pruning was happening after marking of the sparks. This could
cause us to GC live sparks under certain circumstances.
Fixes #22528.
- - - - -
8acfe930 by Cheng Shao at 2023-01-12T15:53:00-05:00
Change MSYSTEM to CLANG64 uniformly
- - - - -
73bc162b by M Farkas-Dyck at 2023-01-12T15:53:42-05:00
Make `GHC.Tc.Errors.Reporter` take `NonEmpty ErrorItem` rather than `[ErrorItem]`, which lets us drop some panics.
Also use the `BasicMismatch` constructor rather than `mkBasicMismatchMsg`, which lets us drop the "-Wno-incomplete-record-updates" flag.
- - - - -
1b812b69 by Oleg Grenrus at 2023-01-12T15:54:21-05:00
Fix #22728: Not all diagnostics in safe check are fatal
Also add tests for the issue and -Winferred-safe-imports in general
- - - - -
c79b2b65 by Matthew Pickering at 2023-01-12T15:54:58-05:00
Don't run hadrian-multi on fast-ci label
Fixes #22667
- - - - -
9a3d6add by Bodigrim at 2023-01-13T00:46:36-05:00
Bump submodule bytestring to 0.11.4.0
Metric Decrease:
T21839c
T21839r
- - - - -
df33c13c by Ben Gamari at 2023-01-13T00:47:12-05:00
gitlab-ci: Bump Darwin bootstrap toolchain
This updates the bootstrap compiler on Darwin from 8.10.7 to 9.2.5,
ensuring that we have the fix for #21964.
- - - - -
756a66ec by Ben Gamari at 2023-01-13T00:47:12-05:00
gitlab-ci: Pass -w to cabal update
Due to cabal#8447, cabal-install 3.8.1.0 requires a compiler to run
`cabal update`.
- - - - -
1142f858 by Cheng Shao at 2023-01-13T11:04:00+00:00
Bump hsc2hs submodule
- - - - -
d4686729 by Cheng Shao at 2023-01-13T11:04:00+00:00
Bump process submodule
- - - - -
84ae6573 by Cheng Shao at 2023-01-13T11:06:58+00:00
ci: Bump DOCKER_REV
- - - - -
d53598c5 by Cheng Shao at 2023-01-13T11:06:58+00:00
ci: enable xz parallel compression for x64 jobs
- - - - -
d31fcbca by Cheng Shao at 2023-01-13T11:06:58+00:00
ci: use in-image emsdk for js jobs
- - - - -
93b9bbc1 by Cheng Shao at 2023-01-13T11:47:17+00:00
ci: improve nix-shell for gen_ci.hs and fix some ghc/hlint warnings
- Add a ghc environment including prebuilt dependencies to the
nix-shell. Get rid of the ad hoc cabal cache and all dependencies
are now downloaded from the nixos binary cache.
- Make gen_ci.hs a cabal package with HLS integration, to make future
hacking of gen_ci.hs easier.
- Fix some ghc/hlint warnings after I got HLS to work.
- For the lint-ci-config job, do a shallow clone to save a few minutes
of unnecessary git checkout time.
- - - - -
8acc56c7 by Cheng Shao at 2023-01-13T11:47:17+00:00
ci: source the toolchain env file in wasm jobs
- - - - -
87194df0 by Cheng Shao at 2023-01-13T11:47:17+00:00
ci: add wasm ci jobs via gen_ci.hs
- There is one regular wasm job run in validate pipelines
- Additionally, int-native/unreg wasm jobs run in nightly/release pipelines
Also, remove the legacy handwritten wasm ci jobs in .gitlab-ci.yml.
- - - - -
b6eb9bcc by Matthew Pickering at 2023-01-13T11:52:16+00:00
wasm ci: Remove wasm release jobs
This removes the wasm release jobs, as we do not yet intend to
distribute these binaries.
- - - - -
496607fd by Simon Peyton Jones at 2023-01-13T16:52:07-05:00
Add a missing checkEscapingKind
Ticket #22743 pointed out that there is a missing check,
for type-inferred bindings, that the inferred type doesn't
have an escaping kind.
The fix is easy.
- - - - -
7a9a1042 by Andreas Klebinger at 2023-01-16T20:48:19-05:00
Separate core inlining logic from `Unfolding` type.
This seems like a good idea either way, but is mostly motivated by a
patch where this avoids a module loop.
- - - - -
33b58f77 by sheaf at 2023-01-16T20:48:57-05:00
Hadrian: generalise &%> to avoid warnings
This patch introduces a more general version of &%> that works
with general traversable shapes, instead of lists. This allows us
to pass along the information that the length of the list of filepaths
passed to the function exactly matches the length of the input list
of filepath patterns, avoiding pattern match warnings.
Fixes #22430
- - - - -
8c7a991c by Andreas Klebinger at 2023-01-16T20:49:34-05:00
Add regression test for #22611.
A case were a function used to fail to specialize, but now does.
- - - - -
6abea760 by Andreas Klebinger at 2023-01-16T20:50:10-05:00
Mark maximumBy/minimumBy as INLINE.
The RHS was too large to inline which often prevented the overhead of the Maybe
from being optimized away. By marking it as INLINE we can eliminate the
overhead of both the maybe and are able to unpack the accumulator when
possible.
Fixes #22609
- - - - -
99d151bb by Matthew Pickering at 2023-01-16T20:50:50-05:00
ci: Bump CACHE_REV so that ghc-9.6 branch and HEAD have different caches
Having the same CACHE_REV on both branches leads to issues where the
darwin toolchain is different on ghc-9.6 and HEAD which leads to long
darwin build times.
In general we should ensure that each branch has a different CACHE_REV.
- - - - -
6a5845fb by Matthew Pickering at 2023-01-16T20:51:25-05:00
ci: Change owner of files in source-tarball job
This fixes errors of the form:
```
fatal: detected dubious ownership in repository at '/builds/ghc/ghc'
To add an exception for this directory, call:
git config --global --add safe.directory /builds/ghc/ghc
inferred 9.7.20230113
checking for GHC Git commit id... fatal: detected dubious ownership in repository at '/builds/ghc/ghc'
To add an exception for this directory, call:
git config --global --add safe.directory /builds/ghc/ghc
```
- - - - -
4afb952c by Matthew Pickering at 2023-01-16T20:51:25-05:00
ci: Don't build aarch64-deb10-llvm job on release pipelines
Closes #22721
- - - - -
8039feb9 by Matthew Pickering at 2023-01-16T20:51:25-05:00
ci: Change owner of files in test-bootstrap job
- - - - -
0b358d0c by Matthew Pickering at 2023-01-16T20:51:25-05:00
rel_eng: Add release engineering scripts into ghc tree
It is better to keep these scripts in the tree as they depend on the CI
configuration and so on. By keeping them in tree we can keep them
up-to-date as the CI config changes and also makes it easier to backport
changes to the release script between release branches in future.
The final motivation is that it makes generating GHCUp metadata
possible.
- - - - -
28cb2ed0 by Matthew Pickering at 2023-01-16T20:51:25-05:00
ci: Don't use complicated image or clone in not-interruptible job
This job exists only for the meta-reason of not allowing nightly
pipelines to be cancelled. It was taking two minutes to run as in order
to run "true" we would also clone the whole GHC repo.
- - - - -
eeea59bb by Matthew Pickering at 2023-01-16T20:51:26-05:00
Add scripts to generate ghcup metadata on nightly and release pipelines
1. A python script in .gitlab/rel_eng/mk-ghcup-metadata which generates
suitable metadata for consumption by GHCUp for the relevant
pipelines.
- The script generates the metadata just as the ghcup maintainers
want, without taking into account platform/library combinations. It
is updated manually when the mapping changes.
- The script downloads the bindists which ghcup wants to distribute,
calculates the hash and generates the yaml in the correct structure.
- The script is documented in the .gitlab/rel_eng/mk-ghcup-metadata/README.mk file
1a. The script requires us to understand the mapping from platform ->
job. To choose the preferred bindist for each platform the
.gitlab/gen_ci.hs script is modified to allow outputting a metadata
file which answers the question about which job produces the
bindist which we want to distribute to users for a specific
platform.
2. Pipelines to run on nightly and release jobs to generate metadata
- ghcup-metadata-nightly: Generates metadata which points directly to
artifacts in the nightly job.
- ghcup-metadata-release: Generates metadata suitable for inclusion
directly in ghcup by pointing to the downloads folder where the
bindist will be uploaded to.
2a. Trigger jobs which test the generated metadata in the downstream
`ghccup-ci` repo. See that repo for documentation about what is
tested and how but essentially we test in a variety of clean images
that ghcup can download and install the bindists we say exist in our
metadata.
- - - - -
97bd4d8c by Bodigrim at 2023-01-16T20:52:04-05:00
Bump submodule parsec to 3.1.16.1
- - - - -
97ac8230 by Alan Zimmerman at 2023-01-16T20:52:39-05:00
EPA: Add annotation for 'type' in DataDecl
Closes #22765
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dbbab95d by Ben Gamari at 2023-01-17T06:36:06-05:00
compiler: Small optimisation of assertM
In #22739 @AndreasK noticed that assertM performed the action to compute
the asserted predicate regardless of whether DEBUG is enabled. This is
inconsistent with the other assertion operations and general convention.
Fix this.
Closes #22739.
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fc02f3bb by Viktor Dukhovni at 2023-01-17T06:36:47-05:00
Avoid unnecessary printf warnings in EventLog.c
Fixes #22778
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003b6d44 by Simon Peyton Jones at 2023-01-17T16:33:05-05:00
Document the semantics of pattern bindings a bit better
This MR is in response to the discussion on #22719
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f4d50baf by Vladislav Zavialov at 2023-01-17T16:33:41-05:00
Hadrian: fix warnings (#22783)
This change fixes the following warnings when building Hadrian:
src/Hadrian/Expression.hs:38:10: warning: [-Wredundant-constraints]
src/Hadrian/Expression.hs:84:13: warning: [-Wtype-equality-requires-operators]
src/Hadrian/Expression.hs:84:21: warning: [-Wtype-equality-requires-operators]
src/Hadrian/Haskell/Cabal/Parse.hs:67:1: warning: [-Wunused-imports]
- - - - -
06036d93 by Sylvain Henry at 2023-01-18T01:55:10-05:00
testsuite: req_smp --> req_target_smp, req_ghc_smp
See #22630 and !9552
This commit:
- splits req_smp into req_target_smp and req_ghc_smp
- changes the testsuite driver to calculate req_ghc_smp
- changes a handful of tests to use req_target_smp instead of req_smp
- changes a handful of tests to use req_host_smp when needed
The problem:
- the problem this solves is the ambiguity surrounding req_smp
- on master req_smp was used to express the constraint that the program
being compiled supports smp _and_ that the host RTS (i.e., the RTS used
to compile the program) supported smp. Normally that is fine, but in
cross compilation this is not always the case as was discovered in #22630.
The solution:
- Differentiate the two constraints:
- use req_target_smp to say the RTS the compiled program is linked
with (and the platform) supports smp
- use req_host_smp to say the RTS the host is linked with supports smp
WIP: fix req_smp (target vs ghc)
add flag to separate bootstrapper
split req_smp -> req_target_smp and req_ghc_smp
update tests smp flags
cleanup and add some docstrings
only set ghc_with_smp to bootstrapper on S1 or CC
Only set ghc_with_smp to bootstrapperWithSMP of when testing stage 1
and cross compiling
test the RTS in config/ghc not hadrian
re-add ghc_with_smp
fix and align req names
fix T11760 to use req_host_smp
test the rts directly, avoid python 3.5 limitation
test the compiler in a try block
align out of tree and in tree withSMP flags
mark failing tests as host req smp
testsuite: req_host_smp --> req_ghc_smp
Fix ghc vs host, fix ghc_with_smp leftover
- - - - -
ee9b78aa by Krzysztof Gogolewski at 2023-01-18T01:55:45-05:00
Use -Wdefault when running Python testdriver (#22727)
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e9c0537c by Vladislav Zavialov at 2023-01-18T01:56:22-05:00
Enable -Wstar-is-type by default (#22759)
Following the plan in GHC Proposal #143 "Remove the * kind syntax",
which states:
In the next release (or 3 years in), enable -fwarn-star-is-type by default.
The "next release" happens to be 9.6.1
I also moved the T21583 test case from should_fail to should_compile,
because the only reason it was failing was -Werror=compat in our test
suite configuration.
- - - - -
4efee43d by Ryan Scott at 2023-01-18T01:56:59-05:00
Add missing parenthesizeHsType in cvtSigTypeKind
We need to ensure that the output of `cvtSigTypeKind` is parenthesized (at
precedence `sigPrec`) so that any type signatures with an outermost, explicit
kind signature can parse correctly.
Fixes #22784.
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f891a442 by Ben Gamari at 2023-01-18T07:28:00-05:00
Bump ghc-tarballs to fix #22497
It turns out that gmp 6.2.1 uses the platform-reserved `x18` register on
AArch64/Darwin. This was fixed in upstream changeset 18164:5f32dbc41afc,
which was merged in 2020. Here I backport this patch although I do hope
that a new release is forthcoming soon.
Bumps gmp-tarballs submodule.
Fixes #22497.
- - - - -
b13c6ea5 by Ben Gamari at 2023-01-18T07:28:00-05:00
Bump gmp-tarballs submodule
This backports the upstream fix for CVE-2021-43618, fixing #22789.
- - - - -
c45a5fff by Cheng Shao at 2023-01-18T07:28:37-05:00
Fix typo in recent darwin tests fix
Corrects a typo in !9647. Otherwise T18623 will still fail on darwin
and stall other people's work.
- - - - -
b4c14c4b by Luite Stegeman at 2023-01-18T14:21:42-05:00
Add PrimCallConv support to GHCi
This adds support for calling Cmm code from bytecode using the native
calling convention, allowing modules that use `foreign import prim`
to be loaded and debugged in GHCi.
This patch introduces a new `PRIMCALL` bytecode instruction and
a helper stack frame `stg_primcall`. The code is based on the
existing functionality for dealing with unboxed tuples in bytecode,
which has been generalised to handle arbitrary calls.
Fixes #22051
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d0a63ef8 by Adam Gundry at 2023-01-18T14:22:26-05:00
Refactor warning flag parsing to add missing flags
This adds `-Werror=<group>` and `-fwarn-<group>` flags for warning
groups as well as individual warnings. Previously these were defined
on an ad hoc basis so for example we had `-Werror=compat` but not
`-Werror=unused-binds`, whereas we had `-fwarn-unused-binds` but not
`-fwarn-compat`. Fixes #22182.
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7ed1b8ef by Adam Gundry at 2023-01-18T14:22:26-05:00
Minor corrections to comments
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5389681e by Adam Gundry at 2023-01-18T14:22:26-05:00
Revise warnings documentation in user's guide
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ab0d5cda by Adam Gundry at 2023-01-18T14:22:26-05:00
Move documentation of deferred type error flags out of warnings section
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eb5a6b91 by John Ericson at 2023-01-18T22:24:10-05:00
Give the RTS it's own configure script
Currently it doesn't do much anything, we are just trying to introduce
it without breaking the build. Later, we will move functionality from
the top-level configure script over to it.
We need to bump Cabal for https://github.com/haskell/cabal/pull/8649; to
facilitate and existing hack of skipping some configure checks for the
RTS we now need to skip just *part* not *all* of the "post configure"
hook, as running the configure script (which we definitely want to do)
is also implemented as part of the "post configure" hook. But doing this
requires exposing functionality that wasn't exposed before.
- - - - -
32ab07bf by Bodigrim at 2023-01-18T22:24:51-05:00
ghc package does not have to depend on terminfo
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981ff7c4 by Bodigrim at 2023-01-18T22:24:51-05:00
ghc-pkg does not have to depend on terminfo
- - - - -
f058e367 by Ben Gamari at 2023-01-18T22:25:27-05:00
nativeGen/X86: MFENCE is unnecessary for release semantics
In #22764 a user noticed that a program implementing a simple atomic
counter via an STRef regressed significantly due to the introduction of
necessary atomic operations in the MutVar# primops (#22468). This
regression was caused by a bug in the NCG, which emitted an unnecessary
MFENCE instruction for a release-ordered atomic write. MFENCE is rather
only needed to achieve sequentially consistent ordering.
Fixes #22764.
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154889db by Ryan Scott at 2023-01-18T22:26:03-05:00
Add regression test for #22151
Issue #22151 was coincidentally fixed in commit
aed1974e92366ab8e117734f308505684f70cddf (`Refactor the treatment of loopy
superclass dicts`). This adds a regression test to ensure that the issue
remains fixed.
Fixes #22151.
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14b5982a by Andrei Borzenkov at 2023-01-18T22:26:43-05:00
Fix printing of promoted MkSolo datacon (#22785)
Problem: In 2463df2f, the Solo data constructor was renamed to MkSolo,
and Solo was turned into a pattern synonym for backwards compatibility.
Since pattern synonyms can not be promoted, the old code that pretty-printed
promoted single-element tuples started producing ill-typed code:
t :: Proxy ('Solo Int)
This fails with "Pattern synonym ‘Solo’ used as a type"
The solution is to track the distinction between type constructors and data
constructors more carefully when printing single-element tuples.
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1fe806d3 by Cheng Shao at 2023-01-23T04:48:47-05:00
hadrian: add hi_core flavour transformer
The hi_core flavour transformer enables -fwrite-if-simplified-core for
stage1 libraries, which emit core into interface files to make it
possible to restart code generation. Building boot libs with it makes
it easier to use GHC API to prototype experimental backends that needs
core/stg at link time.
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317cad26 by Cheng Shao at 2023-01-23T04:48:47-05:00
hadrian: add missing docs for recently added flavour transformers
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658f4446 by Ben Gamari at 2023-01-23T04:49:23-05:00
gitlab-ci: Add Rocky8 jobs
Addresses #22268.
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a83ec778 by Vladislav Zavialov at 2023-01-23T04:49:58-05:00
Set "since: 9.8" for TypeAbstractions and -Wterm-variable-capture
These flags did not make it into the 9.6 release series,
so the "since" annotations must be corrected.
- - - - -
fec7c2ea by Alan Zimmerman at 2023-01-23T04:50:33-05:00
EPA: Add SourceText to HsOverLabel
To be able to capture string literals with possible escape codes as labels.
Close #22771
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3efd1e99 by Ben Gamari at 2023-01-23T04:51:08-05:00
template-haskell: Bump version to 2.20.0.0
Updates `text` and `exceptions` submodules for bounds bumps.
Addresses #22767.
- - - - -
0900b584 by Cheng Shao at 2023-01-23T04:51:45-05:00
hadrian: disable alloca for in-tree GMP on wasm32
When building in-tree GMP for wasm32, disable its alloca usage, since
it may potentially cause stack overflow (e.g. #22602).
- - - - -
db0f1bfd by Cheng Shao at 2023-01-23T04:52:21-05:00
Bump process submodule
Includes a critical fix for wasm32, see
https://github.com/haskell/process/pull/272 for details. Also changes
the existing cross test to include process stuff and avoid future
regression here.
- - - - -
9222b167 by Matthew Pickering at 2023-01-23T04:52:57-05:00
ghcup metadata: Fix subdir for windows bindist
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9a9bec57 by Matthew Pickering at 2023-01-23T04:52:57-05:00
ghcup metadata: Remove viPostRemove field from generated metadata
This has been removed from the downstream metadata.
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82884ce0 by Simon Peyton Jones at 2023-01-23T04:53:32-05:00
Fix #22742
runtimeRepLevity_maybe was panicing unnecessarily; and
the error printing code made use of the case when it should
return Nothing rather than panicing.
For some bizarre reason perf/compiler/T21839r shows a 10% bump in runtime
peak-megagbytes-used, on a single architecture (alpine). See !9753 for
commentary, but I'm going to accept it.
Metric Increase:
T21839r
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2c6deb18 by Bryan Richter at 2023-01-23T14:12:22+02:00
codeowners: Add Ben, Matt, and Bryan to CI
- - - - -
eee3bf05 by Matthew Craven at 2023-01-23T21:46:41-05:00
Do not collect compile-time metrics for T21839r
...the testsuite doesn't handle this properly since it
also collects run-time metrics. Compile-time metrics
for this test are already tracked via T21839c.
Metric Decrease:
T21839r
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1d1dd3fb by Matthew Pickering at 2023-01-24T05:37:52-05:00
Fix recompilation checking for multiple home units
The key part of this change is to store a UnitId in the
`UsageHomeModule` and `UsageHomeModuleInterface`.
* Fine-grained dependency tracking is used if the dependency comes from
any home unit.
* We actually look up the right module when checking whether we need to
recompile in the `UsageHomeModuleInterface` case.
These scenarios are both checked by the new tests (
multipleHomeUnits_recomp and multipleHomeUnits_recomp_th )
Fixes #22675
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7bfb30f9 by Matthew Pickering at 2023-01-24T05:37:52-05:00
Augment target filepath by working directory when checking if module satisfies target
This fixes a spurious warning in -Wmissing-home-modules.
This is a simple oversight where when looking for the target in the
first place we augment the search by the -working-directory flag but
then fail to do so when checking this warning.
Fixes #22676
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69500dd4 by Matthew Pickering at 2023-01-24T05:37:52-05:00
Use NodeKey rather than ModuleName in pruneCache
The `pruneCache` function assumes that the list of `CachedInfo` all have unique `ModuleName`, this is not true:
* In normal compilation, the same module name can appear for a file and it's boot file.
* In multiple home unit compilation the same ModuleName can appear in different units
The fix is to use a `NodeKey` as the actual key for the interfaces which includes `ModuleName`, `IsBoot` and `UnitId`.
Fixes #22677
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336b2b1c by Matthew Pickering at 2023-01-24T05:37:52-05:00
Recompilation checking: Don't try to find artefacts for Interactive & hs-boot combo
In interactive mode we don't produce any linkables for hs-boot files. So
we also need to not going looking for them when we check to see if we
have all the right objects needed for recompilation.
Ticket #22669
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6469fea7 by Matthew Pickering at 2023-01-24T05:37:52-05:00
Don't write o-boot files in Interactive mode
We should not be producing object files when in interactive mode but we
still produced the dummy o-boot files. These never made it into a
`Linkable` but then confused the recompilation checker.
Fixes #22669
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06cc0a95 by Matthew Pickering at 2023-01-24T05:37:52-05:00
Improve driver diagnostic messages by including UnitId in message
Currently the driver diagnostics don't give any indication about which unit they correspond to.
For example `-Wmissing-home-modules` can fire multiple times for each different home unit and gives no indication about which unit it's actually reporting about.
Perhaps a longer term fix is to generalise the providence information away from a SrcSpan so that these kind of whole project errors can be reported with an accurate provenance. For now we can just include the `UnitId` in the error message.
Fixes #22678
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4fe9eaff by Matthew Pickering at 2023-01-24T05:37:52-05:00
Key ModSummary cache by UnitId as well as FilePath
Multiple units can refer to the same files without any problem. Just
another assumption which needs to be updated when we may have multiple
home units.
However, there is the invariant that within each unit each file only
maps to one module, so as long as we also key the cache by UnitId then
we are all good.
This led to some confusing behaviour in GHCi when reloading,
multipleHomeUnits_shared distils the essence of what can go wrong.
Fixes #22679
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ada29f5c by Matthew Pickering at 2023-01-24T05:37:52-05:00
Finder: Look in current unit before looking in any home package dependencies
In order to preserve existing behaviour it's important to look within the current component before consideirng a module might come from an external component.
This already happened by accident in `downsweep`, (because roots are used to repopulated the cache) but in the `Finder` the logic was the wrong way around.
Fixes #22680
-------------------------
Metric Decrease:
MultiComponentModules
MultiComponentModulesRecomp
-------------------------p
- - - - -
be701cc6 by Matthew Pickering at 2023-01-24T05:37:52-05:00
Debug: Print full NodeKey when pretty printing ModuleGraphNode
This is helpful when debugging multiple component issues.
- - - - -
34d2d463 by Krzysztof Gogolewski at 2023-01-24T05:38:32-05:00
Fix Lint check for duplicate external names
Lint was checking for duplicate external names by calling removeDups,
which needs a comparison function that is passed to Data.List.sortBy.
But the comparison was not a valid ordering - it returned LT
if one of the names was not external.
For example, the previous implementation won't find a duplicate in
[M.x, y, M.x].
Instead, we filter out non-external names before looking for duplicates.
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1c050ed2 by Matthew Pickering at 2023-01-24T05:39:08-05:00
Add test for T22671
This was fixed by b13c6ea5
Closes #22671
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05e6a2d9 by Tom Ellis at 2023-01-24T12:10:52-05:00
Clarify where `f` is defined
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d151546e by Cheng Shao at 2023-01-24T12:11:29-05:00
CmmToC: fix CmmRegOff for 64-bit register on a 32-bit target
We used to print the offset value to a platform word sized integer.
This is incorrect when the offset is negative (e.g. output of cmm
constant folding) and the register is 64-bit but on a 32-bit target,
and may lead to incorrect runtime result (e.g. #22607).
The fix is simple: just treat it as a proper MO_Add, with the correct
width info inferred from the register itself.
Metric Increase:
T12707
T13379
T4801
T5321FD
T5321Fun
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e5383a29 by Wander Hillen at 2023-01-24T20:02:26-05:00
Allow waiting for timerfd to be interrupted during rts shutdown
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1957eda1 by Ryan Scott at 2023-01-24T20:03:01-05:00
Restore Compose's Read/Show behavior to match Read1/Show1 instances
Fixes #22816.
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30972827 by Matthew Pickering at 2023-01-25T03:54:14-05:00
docs: Update INSTALL.md
Removes references to make.
Fixes #22480
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bc038c3b by Cheng Shao at 2023-01-25T03:54:50-05:00
compiler: fix handling of MO_F_Neg in wasm NCG
In the wasm NCG, we used to compile MO_F_Neg to 0.0-x. It was an
oversight, there actually exists f32.neg/f64.neg opcodes in the wasm
spec and those should be used instead! The old behavior almost works,
expect when GHC compiles the -0.0 literal, which will incorrectly
become 0.0.
- - - - -
e987e345 by Sylvain Henry at 2023-01-25T14:47:41-05:00
Hadrian: correctly detect AR at-file support
Stage0's ar may not support at-files. Take it into account.
Found while cross-compiling from Darwin to Windows.
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48131ee2 by Sylvain Henry at 2023-01-25T14:47:41-05:00
Hadrian: fix Windows cross-compilation
Decision to build either unix or Win32 package must be stage specific
for cross-compilation to be supported.
- - - - -
288fa017 by Sylvain Henry at 2023-01-25T14:47:41-05:00
Fix RTS build on Windows
This change fixes a cross-compilation issue from ArchLinux to Windows
because these symbols weren't found.
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2fdf22ae by Sylvain Henry at 2023-01-25T14:47:41-05:00
configure: support "windows" as an OS
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13a0566b by Simon Peyton Jones at 2023-01-25T14:48:16-05:00
Fix in-scope set in specImports
Nothing deep here; I had failed to bring some
floated dictionary binders into scope.
Exposed by -fspecialise-aggressively
Fixes #22715.
- - - - -
b7efdb24 by Matthew Pickering at 2023-01-25T14:48:51-05:00
ci: Disable HLint job due to excessive runtime
The HLint jobs takes much longer to run (20 minutes) after "Give the RTS it's own configure script" eb5a6b91
Now the CI job will build the stage0 compiler before it generates the necessary RTS headers.
We either need to:
* Fix the linting rules so they take much less time
* Revert the commit
* Remove the linting of base from the hlint job
* Remove the hlint job
This is highest priority as it is affecting all CI pipelines.
For now I am just disabling the job because there are many more pressing
matters at hand.
Ticket #22830
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1bd32a35 by Sylvain Henry at 2023-01-26T12:34:21-05:00
Factorize hptModulesBelow
Create and use moduleGraphModulesBelow in GHC.Unit.Module.Graph that
doesn't need anything from the driver to be used.
- - - - -
1262d3f8 by Matthew Pickering at 2023-01-26T12:34:56-05:00
Store dehydrated data structures in CgModBreaks
This fixes a tricky leak in GHCi where we were retaining old copies of
HscEnvs when reloading. If not all modules were recompiled then these
hydrated fields in break points would retain a reference to the old
HscEnv which could double memory usage.
Fixes #22530
- - - - -
e27eb80c by Matthew Pickering at 2023-01-26T12:34:56-05:00
Force more in NFData Name instance
Doesn't force the lazy `OccName` field (#19619) which is already known
as a really bad source of leaks.
When we slam the hammer storing Names on disk (in interface files or the
like), all this should be forced as otherwise a `Name` can easily retain
an `Id` and hence the entire world.
Fixes #22833
- - - - -
3d004d5a by Matthew Pickering at 2023-01-26T12:34:56-05:00
Force OccName in tidyTopName
This occname has just been derived from an `Id`, so need to force it
promptly so we can release the Id back to the world.
Another symptom of the bug caused by #19619
- - - - -
f2a0fea0 by Matthew Pickering at 2023-01-26T12:34:56-05:00
Strict fields in ModNodeKey (otherwise retains HomeModInfo)
Towards #22530
- - - - -
5640cb1d by Sylvain Henry at 2023-01-26T12:35:36-05:00
Hadrian: fix doc generation
Was missing dependencies on files generated by templates (e.g.
ghc.cabal)
- - - - -
893f7a94 by Ben Gamari at 2023-01-26T18:39:37-05:00
rts: Drop SM spinlock
- - - - -
30 changed files:
- .gitlab-ci.yml
- .gitlab/ci.sh
- .gitlab/darwin/nix/sources.json
- .gitlab/darwin/toolchain.nix
- + .gitlab/gen-ci.cabal
- .gitlab/gen_ci.hs
- + .gitlab/generate_job_metadata
- .gitlab/generate_jobs
- .gitlab/hello.hs
- + .gitlab/hie.yaml
- .gitlab/jobs.yaml
- + .gitlab/rel_eng/default.nix
- + .gitlab/rel_eng/fetch-gitlab-artifacts/.gitignore
- + .gitlab/rel_eng/fetch-gitlab-artifacts/README.mkd
- + .gitlab/rel_eng/fetch-gitlab-artifacts/default.nix
- + .gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
- + .gitlab/rel_eng/fetch-gitlab-artifacts/setup.py
- + .gitlab/rel_eng/mk-ghcup-metadata/.gitignore
- + .gitlab/rel_eng/mk-ghcup-metadata/README.mkd
- + .gitlab/rel_eng/mk-ghcup-metadata/default.nix
- + .gitlab/rel_eng/mk-ghcup-metadata/mk_ghcup_metadata.py
- + .gitlab/rel_eng/mk-ghcup-metadata/setup.py
- + .gitlab/rel_eng/nix/sources.json
- + .gitlab/rel_eng/nix/sources.nix
- + .gitlab/rel_eng/upload.sh
- .gitlab/upload_ghc_libs.py → .gitlab/rel_eng/upload_ghc_libs.py
- CODEOWNERS
- INSTALL.md
- boot
- cabal.project-reinstall
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/ebca3b8bc1b2bb1ab23eafd28c85608f89661d1d...893f7a947ad5f6e7a8be1693a04849a537e4d0a8
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/ebca3b8bc1b2bb1ab23eafd28c85608f89661d1d...893f7a947ad5f6e7a8be1693a04849a537e4d0a8
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