[Git][ghc/ghc][wip/supersven/riscv-vectors] 244 commits: testsuite: Normalise trailing digits from hole fits output
Sven Tennie (@supersven)
gitlab at gitlab.haskell.org
Sat Nov 23 15:43:38 UTC 2024
Sven Tennie pushed to branch wip/supersven/riscv-vectors at Glasgow Haskell Compiler / GHC
Commits:
d029f170 by Ben Gamari at 2024-10-11T23:43:17-04:00
testsuite: Normalise trailing digits from hole fits output
The type variables in the holes fit output from
`abstract_refinement_hole_fits` is quite sensitive to compiler
configuration. Specifically, a slight change in the inlining
behavior of `throw` changes type variable naming in `(>>=)` and a few
others.
Ideally we would make hole fits output more deterministic but in the
meantime we simply normalise this difference away as it not relevant
to the test's goal.
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da5d7d0d by Ben Gamari at 2024-10-11T23:43:17-04:00
base: Add test for #25066
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eb7ddae1 by Ben Gamari at 2024-10-11T23:43:17-04:00
base: Fix #25066
As noted in #25066, the exception backtrace proposal introduced a rather
subtle performance regression due to simplification producing Core which
the demand analyser concludes may diverge with a precise exception. The
nature of the problem is more completely described in the new Note
[Hiding precise exception signature in throw].
The (rather hacky) solution we use here hides the problematic
optimisation through judicious use of `noinline`. Ultimately however we
will want a more principled solution (e.g. #23847).
Fixes #255066
CLC proposal: https://github.com/haskell/core-libraries-committee/issues/290
Metric Decrease:
T9872d
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0060ece7 by Ben Gamari at 2024-10-11T23:43:17-04:00
base: Improve documentation of Control.Exception.Backtrace
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18f532f3 by Ben Gamari at 2024-10-11T23:43:53-04:00
Bump process submodule to v1.6.25.0
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a9a3badf by Hassan Al-Awwadi at 2024-10-11T23:44:29-04:00
Move HsInteger and HsRat to an extension constructor
These constructors were only used during the TC stage,
or during template haskell. It seemed clear that it was
independent of the source syntax represented in L.H.S,
and thus we removed it according to #21592.
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4dd30cba by Artem Pelenitsyn at 2024-10-11T23:45:09-04:00
Docs: Linear types: link Strict Patterns subsection
Also, fix a bug in RST with missing newline before a listing.
Co-authored-by: Arnaud Spiwack <arnaud at spiwack.net>
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adca5f2b by Ben Gamari at 2024-10-11T23:45:45-04:00
users guide: Address remaining TODOs in eventlog format docs
Closes #25296.
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9291c125 by Sylvain Henry at 2024-10-11T23:46:26-04:00
Fix z-encoding of tuples (#25364)
Tuples with prefix/suffix strings weren't always properly encoded with
their shortcut notations. Fix this.
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c08b68bc by Sven Tennie at 2024-10-11T23:47:01-04:00
Delete constants that can be deduced
There are macros in MachRegs.h to figure those out.
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8b402da2 by Zubin Duggal at 2024-10-12T20:36:57+00:00
hadrian: Handle broken symlinks properly when creating source dist directories
If we have a broken symlink in the repository, don't try to `need` the symlink
or the target of the symlink. Attempting to do so has `shake` attempt to read the
target to compute its hash, which fails because the target doesn't exist.
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16f97667 by Zubin Duggal at 2024-10-12T20:36:57+00:00
hadrian: exclude cabal.project.symlink.broken from source archives
Cabal 3.14 introduced a broken symlink in its testsuite. Unfortunately,
this broke our source distribution as we use use `tar --dereference` to avoid
issues with symlink compatibility on windows, and `tar --dereference` chokes
when it encounters any broken symlinks.
We can't get rid of `--dereference` because symlinks are generally broken on
windows, so the only option is to exclude this file from source archives.
see also https://github.com/haskell/cabal/issues/10442
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f1a2c9fc by Zubin Duggal at 2024-10-12T20:36:57+00:00
Bump Cabal submodule to 3.14
Metric Decrease:
MultiLayerModulesTH_OneShot
Metric Increase:
haddock.Cabal
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745dd590 by Ben Gamari at 2024-10-14T09:13:12-04:00
users-guide: Document GHCi :where command
Resolve #24509.
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e9cc4699 by Alan Zimmerman at 2024-10-14T09:13:48-04:00
EPA: Remove [AddEpAnn] from IE, Pat and some Tys
EPA: Remove [AddEpAnn] from LazyPat
EPA: Remove [AddEpAnn] from RecordCon/RecordUpd/ConPat
EPA: Remove [AddEpAnn] from HsFieldBind
EPA: Remove [AddEpAnn] from PatSynBind
EPA: Remove [AddEpAnn] from IPBind
EPA: Remove [AddEpAnn] from FixSig
EPA: Remove [AddEpAnn] from activation rules
EPA: Remove [AddEpann] from SpecInstSig
EPA: Remove [AddEpAnn] from MinimalSig
EPA: Remove [AddEpAnn] from SCCFunSig
EPA: Remove [AddEpAnn] from CompleteMatchSig
EPA: Remove [AddEpAnn] from AnnSig, as used in PatSynSig, ClassOpSig, TypeSig
EPA: Remove [AddEpAnn] from IEThingAbs
EPA: Remove [AddEpAnn] from IEThingAll / IEThingWith
EPA: Remove [AddEpAnn] from IEModuleContents
EPA: Remove [AddEpAnn] from HsOpTy
EPA: Remove [AddEpAnn] for various binders
EPA: Remove [AddEpAnn] for HsIParamTy
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81a570bf by Sebastian Graf at 2024-10-14T22:15:31-04:00
Desugaring, plus -Wincomplete-record-selectors
This commit does several related things:
* Major refactor of the handling of applications in the desugarer.
Now all applications are handled in `dsApp`, `ds_app` and related
functions. This dramatically simplifies the code and removes
complicated cruft that had accumulated. Hooray.
Fixes #25281.
* Improve the handling of -Wincomplete-record-selectors.
We now incorporate the result type of unsaturated record selector
applications as well as consider long-distance information in
getField applications.
Plus, the implmentation now builds the improved `dsApp` stuff
above, so it is much easier to understand.
Plus, incorporates improved error message wording suggested
by Adam Gundry in !12685.
Fixes #24824, #24891
See the long Note [Detecting incomplete record selectors]
* Add -Wincomplete-record-selectors to -Wall, as specified in
GHC Proposal 516.
To do this, I also had to add -Wno-incomplete-record-selectors
to the build flags for Cabal in GHC's CI. See
hadrian/src/Settings/Warnings.hs. We can remove this when
Cabal is updated so that it doesn't trigger the warning:
https://github.com/haskell/cabal/issues/10402
2.6% decrease in compile time allocation in RecordUpPerf
Metric Decrease:
RecordUpdPerf
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ae7bc08e by Simon Peyton Jones at 2024-10-14T22:15:31-04:00
Elmininate incomplete record selectors
This patch is a pure refactor of GHC's source code, to avoid the use
of partial record selectors. It was provoked by adding
-Wincomplete-record-selectors to -Wall (as the GHC Proposal specified),
which in turn showed up lots of places where GHC was using incomplete
record selectors.
This patch does mostly-simple refactoring to make it clear to the pattern
match checker that there is in fact no partiality.
There is one externally-visible change: I changed the data type HoleFit
to split out the two cases
data HoleFit = TcHoleFit TcHoleFit | RawHoleFit SDoc
data TcHoleFit = HoleFit { ...lots of fields }
There are large swathes of code that just deal with `TcHoleFit`, and
having it as a separate data types makes it apparent that `RawHoleFit`
can't occur.
This makes it much better -- but the change is visible in the
HolePlugin interface. I decided that there are so few clients of this
API that it's worth the change.
I moved several functions from Language.Haskell.Syntax to GHC.Hs.
Reason, when instantiated at (GhcPass _), the extension data construtcor
is guaranteed unused, and that justifies omitted patterns in these
functions. By putting them in GHC.Hs.X I can specialise the type for
(GhcPass _) and thereby make the function total.
An interesting side-light is that there were a few local function
definitions without a type signature, like this one in GHC.Parser.Header
convImport (L _ i) = (ideclPkgQual i, reLoc $ ideclName i)
This is fully closed, and so is generalised; but that generalises
it to any old pass, not (GhcPass _), so GHC rightly complains about the
use of the selector `ideclPkgQual`. I added a type signature to `i`, thus
convImport (L _ (i::ImportDecl GhcPs))
= (ideclPkgQual i, reLoc $ ideclName i)
which specialised the function enough to make the record selector complete.
Quite a surprising consequence of local let-generalisation!
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6a067226 by Simon Peyton Jones at 2024-10-14T22:15:31-04:00
Add -Werror=-Wno-error=incomplete-record-selectors to hadrian-multi
In the main MR, -Wall now includes -Wincomplete-record-selectors.
However `hadrian-multi` has many, many warnings about incomplete
record selectors, so this patch stops those warnings being treated
as errors. (See discussion on !13308.)
A better fix would be to remove the use of incomplete record
selectors, since each of them represents a potential crash.
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edeafc14 by Ben Gamari at 2024-10-14T22:16:08-04:00
users-guide: Document field coalescence
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55b83587 by ARATA Mizuki at 2024-10-14T22:16:49-04:00
LLVM backend: Use correct rounding for Float literals
Fixes #22033
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e59fe5c6 by Hassan Al-Awwadi at 2024-10-15T08:25:33+00:00
Changed import from Ghc. module to L.H.S module
Progresses #21592
For some reason we still imported GHC.Types.Fixity when the definitino of Fixity and LexicalFixity have already been moved to Language.Haskell.Syntax.Basic. This fixes that for
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ab1767d5 by Simon Peyton Jones at 2024-10-15T23:45:04-04:00
Add a release-notes entry for -Wincomplete-record-selectors
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6f0a62db by ur4t at 2024-10-16T15:33:43+00:00
GHCi: fix improper location of ghci_history file
Fixes #24266
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5f67db48 by Alan Zimmerman at 2024-10-17T05:18:43-04:00
EPA: Remove [AddEpAnn] commit 3
EPA: Remove [AddEpAnn] from HsDocTy
EPA: Remove [AddEpAnn] from HsBangTy
EPA: Remove [AddEpAnn] from HsExplicitListTy
EPA: Remove [AddEpAnn] from HsExplicitTupleTy
EPA: Remove [AddEpAnn] from HsTypedBracket
EPA: Remove [AddEpAnn] from HsUntypedBracket
EPA: Remove [AddEpAnn] from PatBuilderOpApp
EPA: break out 'EpToken "|"' from ClassDecl anns
EPA: Remove [AddEpAnn] from ClassDecl
EPA: Remove [AddEpAnn] from SynDecl
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fbbbd010 by Daan Rijks at 2024-10-17T05:19:19-04:00
Expand the haddocks for Control.Category
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076c1a10 by Andrew Lelechenko at 2024-10-17T05:19:19-04:00
documentation: more examples for Control.Category
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90891962 by Cheng Shao at 2024-10-17T16:41:18+00:00
ghci: mitigate host/target word size mismatch in BCOByteArray serialization
This patch mitigates a severe host/target word size mismatch issue in
BCOByteArray serialization logic introduced since !12142, see added
note for detailed explanation.
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839ac52e by Cheng Shao at 2024-10-17T16:41:18+00:00
ghci: use plain malloc for mkConInfoTable on non-TNTC platforms
This patch avoids using mmap() to allocate executable memory for
mkConInfoTable on platforms without tables-next-to-code, see added
comment for explanation.
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a998f69d by Cheng Shao at 2024-10-17T16:41:18+00:00
ghc-internal: add missing CPPs for wasm
This patch adds some missing CPP guards to ghc-internal, given those
functions are non existent on wasm and would cause linking issues.
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71a471e7 by Cheng Shao at 2024-10-17T16:41:18+00:00
rts: rename prelude.js to prelude.mjs
This commit renames prelude.js to prelude.mjs for wasm backend rts
jsbits, and slightly adjusts the jsbits contents. This is for
preparing the implementation of dyld.mjs that contains wasm dynamic
linker logic, which needs to import prelude.mjs as a proper ESM
module.
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33d9db17 by Cheng Shao at 2024-10-17T16:41:18+00:00
rts: add __wrapped_freeJSVal
This commit wraps imported freeJSVal in a __wrapped_freeJSVal C
function for wasm backend RTS. In general, wasm imports are only
supposed to be directly called by C; they shouldn't be used as
function pointers, which confuses wasm-ld at link-time when generating
shared libraries.
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0d0a16a8 by Cheng Shao at 2024-10-17T16:41:18+00:00
rts: correct stale link in comment
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90a35c41 by Cheng Shao at 2024-10-17T16:41:18+00:00
rts: drop interpretBCO support from non-dyn ways on wasm
This commit drops interpretBCO support from non dynamic rts ways on
wasm. The bytecode interpreter is only useful when the RTS linker also
works, and on wasm it only works for dynamic ways anyway. An
additional benefit of dropping interpretBCO is reduction in code size
of linked wasm modules, especially since interpretBCO references
ffi_call which is an auto-generated large function in libffi-wasm and
unused by most user applications.
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98a32ec5 by Cheng Shao at 2024-10-17T16:41:18+00:00
rts: don't build predefined GloblRegs for wasm PIC mode
This commit wraps the predefined GlobalRegs in Wasm.S under a CPP
guard to prevent building for PIC mode. When building dynamic ways of
RTS, the wasm globals that represent STG GlobalRegs will be created
and supplied by dyld.mjs. The current wasm dylink convention doesn't
properly support exporting relocatable wasm globals at all, any wasm
global exported by a .so is assumed to be a GOT.mem entry.
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bef94bde by Cheng Shao at 2024-10-17T16:41:18+00:00
rts: fix conflicting StgRun definitions on wasm
This commit fixes conflicting StgRun definition when building dynamic
ways of RTS for wasm in unregisterised mode.
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a6a82cdb by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian: use targetSupportsRPaths predicate
This commit changes the hostSupportsRPaths predicate to
targetSupportsRPaths and use that to decide whether to pass
RPATH-related link-time options. It's not applied to stage0, we should
just use the default link-time options of stageBoot ghc.
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f232c872 by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian: disable internal-interpreter of ghc library when cross compiling
This commit disable the internal-interpreter flag of ghc library when
cross compiling, only external interpreter works in such cases.
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577c1819 by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian: enable internal-interpreter for ghc-bin stage0
This commit enables internal-interpreter flag for ghc-bin even when
compiling stage0, as long as target supports ghci. It enables ghci
functionality for cross targets that support ghci, since cross ghc-bin
is really stage0.
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c247f2ee by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian: fix CFLAGS for gmp shared objs on wasm
This commit adds -fvisibility=default to CFLAGS of gmp when building
for wasm. This is required to generate the ghc-bignum shared library
without linking errors. Clang defaults to -fvisibility=hidden for wasm
targets, which will cause issues when a symbol is expected to be
exported in a shared library but without explicit visibility attribute
annotation.
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775410fd by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian: re-enable PIC for gmp on wasm
This commit re-enables --with-pic=yes configuration option of gmp when
building for wasm, given we're about to include support for shared
libraries, TH and ghci.
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b45080a3 by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian: add the host_fully_static flavour transformer
This commit adds the host_fully_static flavour transformer to hadrian,
which ensures stage0 is fully statically linked while still permitting
stage1 libdir to contain shared libraries. This is intended to be used
by the wasm backend to build portable linux bindists that contain wasm
shared libraries.
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5043507c by Cheng Shao at 2024-10-17T16:41:18+00:00
ci: update wasm jobs configuration
This commit bumps ci-image revision to use updated wasm toolchain, and
use host_fully_static instead of fully_static for wasm jobs so to
ensure wasm shared libraries can be properly built.
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2956a3f7 by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian/testsuite: implement config.cross logic
This commit implements the config.cross field in the testsuite driver.
It comes from the "cross compiling" ghc info field for both
in-tree/out-of-tree GHC, and is an accurate predicate of whether we're
cross-compiling or not (compared to the precense of target emulator),
and is useful to implement predicates to assert the precense of
internal interpreter (only available on non-cross GHC) for tests that
do require it (e.g. plugins).
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8c74a0ed by Cheng Shao at 2024-10-17T16:41:18+00:00
hadrian/compiler: implement targetRTSLinkerOnlySupportsSharedLibs
This patch implements the targetRTSLinkerOnlySupportsSharedLibs
predicate in hadrian. Its definition in hadrian is the single source
of truth, and the information propagates to ghc settings file, ghc
driver and testsuite driver. It is used in various places to ensure
dynamic dependency is selected when the target RTS linker only
supports loading dynamic code.
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b4c3c340 by Cheng Shao at 2024-10-17T16:41:18+00:00
testsuite: don't use host cpu features when testing cross ghc
This patch disables CPU feature detection logic when testing cross
GHC, since those features don't make sense for the target anyway.
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3c21b696 by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: implement & use req_plugins predicate
This commit implements req_plugins predicate to indicate that the test
requires plugin functionality. Currently this means cross GHC is
disabled since internal-interpreter doesn't work in cross GHC yet.
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93b8af80 by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: make use of config.interp_force_dyn
This commit takes config.interp_force_dyn into consideration when
setting up TH/ghci way flags.
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94673d41 by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: bump T17572 timeout
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2b5efc2d by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: bump T22744 pre_cmd timeout
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45102e2a by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: skip terminfo_so for cross ghc
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05e40406 by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: fix shared library size tests for cross ghc
This commit fixes shared library size tests (e.g. array_so in
testsuite/tests/perf/size/all.T) when testing cross ghc. Previously,
if shared library file extension of host and target differs, those
tests will fail with framework errors due to not finding the right
files.
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fa68f833 by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: skip ghc api tests that attempt to spawn processes inside wasm
This commit skips a few ghc api tests on wasm, since they would
attempt to spawn processes inside wasm, which is not supported at all.
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1241c04e by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: skip T22840 due to broken -dtag-inference-checks on wasm
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78c8b900 by Cheng Shao at 2024-10-17T16:41:19+00:00
testsuite: ensure $(ghciWayFlags) can be overridden
This commit revises boilerplate.mk in testsuite as well as a few other
places, to ensure the tests that do make use of $(ghciWayFlags) can
receive the right $(ghciWayFlags) from testsuite driver config.
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47989ecc by Cheng Shao at 2024-10-17T16:41:24+00:00
testsuite: skip rdynamic on wasm
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fefb4ea1 by Cheng Shao at 2024-10-17T16:41:24+00:00
testsuite: skip T2615 on wasm
This commit marks T2615 as skip on wasm, given LD_* environment
variables aren't supported on wasm anyway.
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77c79762 by Cheng Shao at 2024-10-17T16:41:24+00:00
testsuite: mark MultiLayerModulesTH_Make/MultiLayerModulesTH_OneShot as fragile on wasm
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69bb4745 by Cheng Shao at 2024-10-17T16:41:24+00:00
testsuite: fix T16180 on wasm
This commit fixes T16180 on wasm once TH support is flipped on. The
fix is simply adding right asm code for wasm.
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621c753d by Cheng Shao at 2024-10-17T16:41:24+00:00
driver: fix -fexternal-interpreter flag for JS backend
Previously, -fexternal-interpreter is broken for JS backend, since GHC
would attempt to launch a non-existent ghc-iserv* executable. This
commit fixes it by adjusting pattern matching order in
setTopSessionDynFlags.
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80aa8983 by Cheng Shao at 2024-10-17T16:41:24+00:00
driver: use interpreterDynamic predicate in preloadLib
This commit use the interpreterDynamic predicate in preloadLib to
decide if we should do dynLoadObjs instead of loadObj. Previously we
used hostIsDynamic which was only written with non-cross internal
interpreter in mind.
The testsuite is also adjusted to remove hard-wired -fPIC flag for
cbits (doesn't work in i386 RTS linker in vanilla way, #25260) and
properly pass ghc_th_way_flags to ghc.
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74411461 by Cheng Shao at 2024-10-17T16:41:24+00:00
compiler: fix Cmm dynamic CLabels for wasm
This commit fixes the handling of dynamic CLabels for the wasm
backend. Just do the simplest handling: preserve the original CLabel,
both unreg/NCG backends can handle them properly without issue.
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f6abaf13 by Cheng Shao at 2024-10-17T16:41:24+00:00
driver: add necessary compile-time flags for wasm PIC mode
This commit adds necessary compile-time flags when compiling for wasm
PIC mode, see added comment for detailed explanation.
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9745fcfb by Cheng Shao at 2024-10-17T16:41:24+00:00
driver: add necessary link-time flags for wasm shared libs
This commit adds necessary link-time flags for wasm shared libs, see
added comments for detailed explanation.
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649aae00 by Cheng Shao at 2024-10-17T16:41:24+00:00
driver: enforce -fno-use-rpaths for wasm
This commit ensures the GHC driver never passes any RPATH-related
link-time flags on wasm, which is not supported at all.
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47baa904 by Cheng Shao at 2024-10-17T16:41:24+00:00
driver: ensure static archives are picked when linking static .wasm modules
This commit ensures static archives are picked when linking .wasm
modules which are supposed to be fully static, even when ghc may be
invoked with -dynamic, see added comment for explanation.
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fc3a5591 by Cheng Shao at 2024-10-17T16:41:24+00:00
compiler: fix dynamic_too_enable for targets that require dynamic libraries
This commit fixes dynamic_too_enable for targets whose RTS linker can
only load dynamic code.
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94ef949e by Cheng Shao at 2024-10-17T16:41:24+00:00
compiler: fix checkNonStdWay for targets that require dynamic libraries
This commit fixes checkNonStdWay to ensure that for targets whose RTS
linker can only load dynamic code, the dynamic way of object is
selected.
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88e99248 by Cheng Shao at 2024-10-17T16:41:24+00:00
ghc-bin: enforce dynamic way when the target requires so
This commit makes ghc-bin use dynamic way when it is doing interactive
stuff on certain targets whose RTS linker can only handle dynamic
code.
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549582ef by Cheng Shao at 2024-10-17T16:41:24+00:00
hadrian/ghci: add wasm dyld
This commit adds the wasm dynamic linker implementation, as well as
ghci logic to call it and hadrian logic to install it to the correct
location. See the top-level note in utils/jsffi/dyld.mjs for more
details.
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b562e3a6 by Cheng Shao at 2024-10-17T16:41:29+00:00
driver: fix getGccSearchDirectory for wasm target
This commit fixes getGccSearchDirectory logic for wasm target, ensures
the correct search directory containing libc.so etc can be found by
GHC. getGccSearchDirectory is also exported so it can be used
elsewhere to obtain the wasi-sdk libdir and pass to the dyld script.
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2d6107dc by Cheng Shao at 2024-10-17T16:41:29+00:00
driver: add wasm backend iserv logic
This commit adds wasm backend iserv logic to the driver, see added
comments for explanation.
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61f5baa5 by Cheng Shao at 2024-10-17T16:41:29+00:00
compiler: add PIC support to wasm backend NCG
This commit adds support for generating PIC to the wasm backend NCG.
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652e7239 by Cheng Shao at 2024-10-17T16:41:29+00:00
hadrian/compiler: flip on support for shared libs & ghci for wasm
This commit flips on the support for shared libs and ghci for the wasm
target, given all required support logic has been added in previous
commits.
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74a1f681 by Cheng Shao at 2024-10-17T16:41:29+00:00
testsuite: flip on support for shared libs, TH & ghci for wasm
This commit flips on support for shared libs, TH & ghci for wasm in
the testsuite, given support has been landed in previous commits.
- - - - -
525d451e by Cheng Shao at 2024-10-17T23:03:34-04:00
Revert "compiler: start deprecating cmmToRawCmmHook"
This reverts commit 1c064ef1f3e1aa2afc996e962ad53effa99ec5f4. Turns
out the GHC-WPC project does use it to observe Cmm in the pipeline,
see #25363.
- - - - -
5bcfefd5 by Cheng Shao at 2024-10-17T23:04:09-04:00
rts: fix pointer overflow undefined behavior in bytecode interpreter
This patch fixes an unnoticed undefined behavior in the bytecode
interpreter. It can be caught by building `rts/Interpreter.c` with
`-fsanitize=pointer-overflow`, the warning message is something like:
```
rts/Interpreter.c:1369:13: runtime error: addition of unsigned offset to 0x004200197660 overflowed to 0x004200197658
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Interpreter.c:1369:13
rts/Interpreter.c:1265:13: runtime error: addition of unsigned offset to 0x004200197660 overflowed to 0x004200197658
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Interpreter.c:1265:13
rts/Interpreter.c:1645:13: runtime error: addition of unsigned offset to 0x0042000b22f8 overflowed to 0x0042000b22f0
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rts/Interpreter.c:1645:13
```
Whenever we do something like `SpW(-1)`, the negative argument is
implicitly converted to an unsigned integer type and causes pointer
arithmetic overflow. It happens to be harmless for most targets since
overflowing would wrap the result to desired value, but it's still
coincidental and undefined behavior. Furthermore, it causes real
damage to the wasm backend, given clang-20 will emit invalid wasm code
that crashes at run-time for this kind of C code! (see
https://github.com/llvm/llvm-project/issues/108770)
The fix here is adding some explicit casts to ensure we always use the
signed `ptrdiff_t` type as right hand operand of pointer arithmetic.
- - - - -
eb67875f by Matthew Craven at 2024-10-18T12:18:35+00:00
Bump transformers submodule
The svg image files mentioned in transformers.cabal were
previously not checked in, which broke sdist generation.
- - - - -
366a1109 by Matthew Craven at 2024-10-18T12:18:35+00:00
Remove reference to non-existent file in haddock.cabal
- - - - -
826852e9 by Matthew Craven at 2024-10-18T12:18:35+00:00
Move tests T11462 and T11525 into tests/tcplugins
- - - - -
dbe27152 by Matthew Craven at 2024-10-18T12:18:35+00:00
Repair the 'build-cabal' hadrian target
Fixes #23117. Fixes #23281. Fixes #23490.
This required:
* Updating the bit-rotted compiler/Setup.hs and its setup-depends
* Listing a few recently-added libraries and utilities
in cabal.project-reinstall
* Setting allow-boot-library-installs to 'True' since Cabal
now considers the 'ghc' package itself a boot library for
the purposes of this flag
Additionally, the allow-newer block in cabal.project-reinstall
was removed. This block was probably added because when the
libraries/Cabal submodule is too new relative to the cabal-install
executable, solving the setup-depends for any package with a custom
setup requires building an old Cabal (from Hackage) against the
in-tree version of base, and this can fail un-necessarily due to
tight version bounds on base. However, the blind allow-newer can
also cause the solver to go berserk and choose a stupid build plan
that has no business succeeding, and the failures when this happens
are dreadfully confusing. (See #23281 and #24363.)
Why does setup-depends solving insist on an old version of Cabal? See:
https://github.com/haskell/cabal/blob/0a0b33983b0f022b9697f7df3a69358ee9061a89/cabal-install/src/Distribution/Client/ProjectPlanning.hs#L1393-L1410
The right solution here is probably to use the in-tree cabal-install
from libraries/Cabal/cabal-install with the build-cabal target rather
than whatever the environment happens to provide. But this is left
for future work.
- - - - -
b3c00c62 by Matthew Craven at 2024-10-18T12:18:35+00:00
Revert "CI: Disable the test-cabal-reinstall job"
This reverts commit 38c3afb64d3ffc42f12163c6f0f0d5c414aa8255.
- - - - -
a04959b8 by Daneel Yaitskov at 2024-10-19T09:34:15-04:00
base: speed up traceEventIO and friends when eventlogging is turned off #17949
Check the RTS flag before doing any work with the given lazy string.
Fix #17949
Co-authored-by: Michael Peyton Jones <me at michaelpj.com>
Co-authored-by: Sylvain Henry <sylvain at haskus.fr>
Co-authored-by: Matthew Pickering <matthewtpickering at gmail.com>
- - - - -
eff16c22 by Matthew Pickering at 2024-10-19T21:55:55-04:00
ci: Add support for ONLY_JOBS variable to trigger any validation pipeline
By setting the ONLY_JOBS variable to the name of the job (or multiple
jobs), the resulting
pipeline will include a validation job for that pipeline.
For example - if you set ONLY_JOBS="x86_64-linux-ubuntu22_04-validate"
then a ubuntu22_04 job will be included in the validation pipeline. This
is useful for testing specific jobs.
Fixes #25332
- - - - -
280b6278 by Zubin Duggal at 2024-10-19T21:56:31-04:00
rel-eng: ghcup metadata generation: generated yaml anchors with meaningful names
(cherry picked from commit d83f5bd730a8aef37d8a38b3560590d9798f8e45)
- - - - -
25edf849 by Alan Zimmerman at 2024-10-19T21:57:08-04:00
EPA: Remove [AddEpAnn] Commit 4
EPA: Remove [AddEpAnn] from DataDecl
This is quite a big change.
The most important part is moving the annotations into HsDataDefn,
using a specific annotation data type.
It has a knock-on to everything that uses HsDataDefn
EPA: Remove [AddEpAnn] for FunDep
EPA: Remove [AddEpann] from FamilyDecl
EPA: Remove [AddEpAnn] From InjectivityAnn
EPA: Remove [AddEpAnn] from DefaultDecl
EPA: Remove [AddEpAnn] from RuleDecls
EPA: Remove [AddEpAnn] from Warnings
- - - - -
d5f42045 by Luite Stegeman at 2024-10-20T16:34:47-04:00
Interpreter: Add locking for communication with external interpreter
This adds locking to communication with the external interpreter
to prevent concurrent tasks interfering with each other. This
fixes Template Haskell with the external interpreter in parallel (-j)
builds.
Fixes #25083
- - - - -
d6bfea76 by Matthew James Kraai at 2024-10-20T16:35:29-04:00
Use monospace font for "Either a b" in fmap docs
The documentation for fmap shows "`Either a b`" in the default font
instead of showing "Either a b" in a monospace font.
- - - - -
4bc7f9c8 by Luite Stegeman at 2024-10-20T16:36:15-04:00
Parser: remove non-ASCII characters from Parser.y
Non-ASCII characters in the source causes a problem with the default
Haskell Language Server setup in VSCode. Two characters seems to have
been left in by accident.
Workaround for #25396
- - - - -
7f61ed4e by Alan Zimmerman at 2024-10-21T06:39:45-04:00
EPA: Remove [AddEpAnn] Commit 5
EPA: Remove [AddEpAnn] from AnnPragma
EPA: Remove [AddEpAnn] From ForeignDecl
EPA: Remove [AddEpAnn] from RoleAnnotDecl
EPA: Remove [AddEpAnn] from StandaloneKindSig
EPA: Remove [AddEpAnn] From HsDeriving
EPA: Remove [AddEpAnn] from ConDeclField
EPA: Remove [AddEpAnn] from ConDeclGADT
EPA: Remove [AddEpAnn] from ConDeclH98
EPA: Remove [AddEpAnn] from ClsInstDecl
- - - - -
f8694fe7 by Cheng Shao at 2024-10-21T06:40:21-04:00
wasm: bump dyld v8 heap size limit
This patch adds `--max-old-space-size=8192` to wasm dyld shebang
arguments to bump V8 heap size limit. The default limit
(`heap_size_limit` returned by `v8.getHeapStatistics()`) is
dynamically determined and a bit too low under certain workloads, and
V8 would waste too much CPU time to garbage collect old generation
heap more aggressively. Bumping the limit to 8G doesn't imply dyld
would really take that much memory at run-time, but it lessens V8 heap
stress significantly.
- - - - -
d328d173 by Luite Stegeman at 2024-10-21T12:39:18+00:00
Add requestTickyCounterSamples to GHC.Internal.Profiling
This allows the user to request ticky counters to be written to
the eventlog at specific times.
See #24645
- - - - -
71765b1d by Simon Peyton Jones at 2024-10-21T20:55:00-04:00
Move defaulting code into a new module
GHC.Tc.Solver had reached 4,000 lines -- although quite a lot of them
are comments.
This MR
* Adds the new module GHC.Tc.Solver.Default, which has all the
complex, but well modularised, defaulting code
* Moves a bit of code from GHC.Tc.Solver into the existing
GHC.Tc.Solver.Solve. Notably solveWanteds and simplifyWantedsTcM,
which are called from GHC.Tc.Solver.Default
It's a pure refactor. No code changes.
- - - - -
a398227b by Simon Peyton Jones at 2024-10-21T20:55:00-04:00
Improve the generalisation code in Solver.simplifyInfer
The code in `decideQuantification` has become quite complicated.
This MR straightens it out, adds a new Note, and on the way
fixes #25266.
See especially Note [decideAndPromoteTyVars] which is is where
all the action happens in this MR.
- - - - -
148059fe by Andrzej Rybczak at 2024-10-21T20:55:40-04:00
Adjust catches to properly rethrow exceptions
https://gitlab.haskell.org/ghc/ghc/-/merge_requests/13302 implemented exception
rethrowing proposal, but it didn't adjust `catches`. This fixes it.
- - - - -
25121dbc by doyougnu at 2024-10-22T09:38:18-04:00
linker: add --optimistic-linking flag
This patch adds:
- the --optimistic-linking flag which binds unknown symbols in the
runtime linker to 0xDEADBEEF instead of exiting with failure
- The test T25240 which tests these flags using dead code in the FFI system.
- closes #25240
This patch is part of the upstreaming haskell.nix patches project.
- - - - -
f19e076d by doyougnu at 2024-10-22T09:38:18-04:00
ghc-internal: hide linkerOptimistic in MiscFlags
- - - - -
edc02197 by Cheng Shao at 2024-10-22T09:38:54-04:00
hadrian: fix bindist executable wrapper logic for cross targets
This commit fixes an oversight of hadrian wrapper generation logic:
when doing cross compilation, `wrapper` is called on executable names
with cross prefix, therefore we must use `isSuffixOf` when matching to
take the cross prefix into account. Also add missing cross prefix to
ghci wrapper content and fix hsc2hs wrapper logic.
- - - - -
edf3bdf5 by Andreas Klebinger at 2024-10-22T16:30:42-04:00
mkTick: Push ticks through unsafeCoerce#.
unsafeCoerce# doesn't exist at runtime so we should treat it like a Cast
for the purpose of mkTick.
This means if we have `{-# SCC foo #-} (unsafeCoerce# trivial_expr))` we
now push the scope part of the cost centre up to `trivial_expr` at which
point we can discard it completely if the expression is trivial enough.
This fixes #25212.
- - - - -
1bdb1317 by Cheng Shao at 2024-10-22T16:31:17-04:00
hadrian: enable late-CCS for perf flavour as well
This patch enables late-CCS for perf flavour so that the testsuite can
pass for perf as well. Fixes #25308.
- - - - -
fde12aba by Cheng Shao at 2024-10-22T16:31:54-04:00
hadrian: make sure ghc-bin internal-interpreter is disabled for stage0 when not cross compiling
This patch disables internal-interpreter flag for stage0 ghc-bin when
not cross compiling, see added comment for explanation. Fixes #25406.
- - - - -
6ab8d751 by ignatiusm at 2024-10-24T01:23:35-04:00
Improve heap overflow exception message (#25198)
Catch heap overflow exceptions and suggest using `+RTS -M<size>`.
Fix #25198
- - - - -
b3f7fb80 by Rodrigo Mesquita at 2024-10-24T01:24:12-04:00
determinism: Interface re-export list det
In 'DocStructureItem' we want to make sure the 'Avails' are sorted, for
interface file determinism. This commit introduces 'DetOrdAvails', a
newtype that should only be constructed by sorting Avails with
'sortAvails' unless the avails are known to be deterministically
ordered. This newtype is used by 'DocStructureItem' where 'Avails' was
previously used to ensure the list of avails is deterministically sorted
by construction.
Note: Even though we order the constructors and avails in the interface
file, the order of constructors in the haddock output is still
determined from the order of declaration in the source. This was also
true before, when the list of constructors in the interface file <docs>
section was non-deterministic. Some haddock tests such as
"ConstructorArgs" observe this (check the order of constructors in
out/ConstructorArgs.html vs src/ConstructorArgs.hs vs its interface file)
The updated tests are caused by haddock corners where the order in the
source is not preserved (and was non-deterministic before this PR):
* Module header in the latex backend
* Re-export of pattern synonyms associated to a datatype (#25342)
Fixes #25304
- - - - -
e39c8c99 by Rodrigo Mesquita at 2024-10-24T01:24:12-04:00
Revert "ci: Allow abi-test to fail."
After #25304, the abi-test with interface and object determinism
succeeds.
This reverts commit 7b37afc9f3e79559055488998ee73187886a0e00.
- - - - -
7b1b0c6d by Alan Zimmerman at 2024-10-24T13:07:02-04:00
EPA: reduce [AddEpann] in AnnList
Remove it from the `al_rest` field, and make `AnnList` parameterized
on a type to be used in `al_rest`, for the various use cases.
- - - - -
4a00731e by Rodrigo Mesquita at 2024-10-24T13:07:38-04:00
Fix -fobject-determinism flag definition
The flag should be defined as an fflag to make sure the
-fno-object-determinism flag is also an available option.
Fixes #25397
- - - - -
55e4b9f2 by Sebastian Graf at 2024-10-25T07:01:54-04:00
CorePrep: Attach evaldUnfolding to floats to detect more values
See `Note [Pin evaluatedness on floats]`.
- - - - -
9f57c96d by Sebastian Graf at 2024-10-25T07:01:54-04:00
Make DataCon workers strict in strict fields (#20749)
This patch tweaks `exprIsConApp_maybe`, `exprIsHNF` and friends, and Demand
Analysis so that they exploit and maintain strictness of DataCon workers. See
`Note [Strict fields in Core]` for details.
Very little needed to change, and it puts field seq insertion done by Tag
Inference into a new perspective: That of *implementing* strict field semantics.
Before Tag Inference, DataCon workers are strict. Afterwards they are
effectively lazy and field seqs happen around use sites. History has shown
that there is no other way to guarantee taggedness and thus the STG Strict Field
Invariant.
Knock-on changes:
* I reworked the whole narrative around "Tag inference".
It's now called "EPT enforcement" and I recycyled the different overview
Notes into `Note [EPT enforcement]`.
* `exprIsHNF` previously used `exprOkForSpeculation` on unlifted arguments
instead of recursing into `exprIsHNF`. That regressed the termination
analysis in CPR analysis (which simply calls out to `exprIsHNF`), so I made
it call `exprOkForSpeculation`, too.
* There's a small regression in Demand Analysis, visible in the changed test
output of T16859: Previously, a field seq on a variable would give that
variable a "used exactly once" demand, now it's "used at least once",
because `dmdTransformDataConSig` accounts for future uses of the field
that actually all go through the case binder (and hence won't re-enter the
potential thunk). The difference should hardly be observable.
* The Simplifier's fast path for data constructors only applies to lazy
data constructors now. I observed regressions involving Data.Binary.Put's
`Pair` data type.
* Unfortunately, T21392 does no longer reproduce after this patch, so I marked
it as "not broken" in order to track whether we regress again in the future.
Fixes #20749, the satisfying conclusion of an annoying saga (cf. the ideas
in #21497 and #22475).
Compiler perf generally improves, sometimes drastically:
Baseline
Test Metric value New value Change
--------------------------------------------------------------------------------
ManyConstructors(normal) ghc/alloc 3,629,760,116 3,711,852,800 +2.3% BAD
MultiLayerModulesTH_OneShot(normal) ghc/alloc 2,502,735,440 2,565,282,888 +2.5% BAD
T12707(normal) ghc/alloc 804,399,798 791,807,320 -1.6% GOOD
T17516(normal) ghc/alloc 964,987,744 1,008,383,520 +4.5%
T18140(normal) ghc/alloc 75,381,152 49,860,560 -33.9% GOOD
T18698b(normal) ghc/alloc 232,614,457 184,262,736 -20.8% GOOD
T18923(normal) ghc/alloc 62,002,368 58,301,408 -6.0% GOOD
T20049(normal) ghc/alloc 75,719,168 70,494,368 -6.9% GOOD
T3294(normal) ghc/alloc 1,237,925,833 1,157,638,992 -6.5% GOOD
T9233(normal) ghc/alloc 686,490,105 635,166,688 -7.5% GOOD
geo. mean -0.7%
minimum -33.9%
maximum +4.5%
I looked at T17516. It seems we do a few more simplifier iterations and end up
with a larger program. It seems that some things inline more, while other things
inline less. I don't see low-hanging fruit.
I also looked at MultiLayerModulesTH_OneShot. It appears we generate a strange
join point in the `getUnique` method of `Uniquable GHC.Unit.Types.Module` that
should better call-site inline, but does not. Perhaps with !11492.
NoFib does not seem affected much either:
+-------------------------------++--+------------+-----------+---------------+-----------+
| || | base/ | std. err. | T20749/ (rel) | std. err. |
+===============================++==+============+===========+===============+===========+
| spectral/last-piece || | 7.263e8 | 0.0% | +0.62% | 0.0% |
+===============================++==+============+===========+===============+===========+
| geom mean || | +0.00% | | | |
+-------------------------------++--+------------+-----------+---------------+-----------+
I had a look at last-piece. Nothing changes in stg-final, but there is a bit
of ... movement around Data.Map.insert's use of GHC.Exts.lazy that is gone in
stg-final.
Co-Authored-By: Jaro Reinders <jaro.reinders at gmail.com>
Metric Decrease:
T12707
T18140
T18698b
T18923
T19695
T20049
T3294
T9233
T21839c
Metric Increase:
ManyConstructors
MultiLayerModulesTH_OneShot
- - - - -
0225249a by Simon Peyton Jones at 2024-10-25T07:02:32-04:00
Some renaming
This is a pure refactor, tidying up some inconsistent naming:
isEqPred --> isEqClassPred
isEqPrimPred --> isEqPred
isReprEqPrimPred --> isReprEqPred
mkPrimEqPred --> mkNomEqPred
mkReprPrimEqPred --> mkReprEqPred
mkPrimEqPredRold --> mkEqPredRole
Plus I moved mkNomEqPred, mkReprEqPred, mkEqPredRolek
from GHC.Core.Coercion to GHC.Core.Predicate
where they belong. That means that Coercion imports Predicate
rather than vice versa -- better.
- - - - -
15a3456b by Ryan Hendrickson at 2024-10-25T07:02:32-04:00
compiler: Fix deriving with method constraints
See Note [Inferred contexts from method constraints]
Co-authored-by: Simon Peyton Jones <simon.peytonjones at gmail.com>
- - - - -
dbc77ce8 by Alan Zimmerman at 2024-10-25T18:20:13+01:00
EPA: Remove AddEpann commit 7
EPA: Remove [AddEpAnn] from HYPHEN in Parser.y
The return value is never used, as it is part of the backpack
configuration parsing.
EPA: Remove last [AddEpAnn] usages
Remove residual usage in GHC. It is still used
- In haddock TTG extension point definitions (to be removed)
- Some check-exact residual, to be removed
- Comments around DisambECP in PostProcess
EPA: Clean up [AddEpAnn] from check-exact
There is one left, to be cleaned up when we remove AddEpann itself
EPA: Remove [AddEpAnn] from haddock
The TTG extension points need a value, it is not critical what that
value is, in most cases.
EPA: Remove AddEpAnn from HsRuleAnn
EPA: Remove AddEpAnn from HsCmdArrApp
- - - - -
23ddcc01 by Simon Peyton Jones at 2024-10-26T12:44:34-04:00
Fix optimisation of InstCo
It turned out (#25387) that the fix to #15725 was not quite right:
commit 48efbc04bd45d806c52376641e1a7ed7278d1ec7
Date: Mon Oct 15 10:25:02 2018 +0200
Fix #15725 with an extra Sym
Optimising InstCo is quite subtle, and the invariants surrounding
the LiftingContext in the coercion optimiser were not stated explicitly.
This patch refactors the InstCo optimisation, and documents these
invariants. See
* Note [Optimising InstCo]
* Note [The LiftingContext in optCoercion]
I also did some refactoring of course:
* Instead of a Bool swap-flag, I am not using GHC.Types.Basic.SwapFlag
* I added some invariant-checking the coercion-construction functions
in GHC.Core.Coercion.Opt. (Sadly these invariants don't hold during
typechecking, becuase the types are un-zonked, so I can't put these
checks in GHC.Core.Coercion.)
- - - - -
589fea7f by Cheng Shao at 2024-10-27T05:36:38-04:00
ghcid: use multi repl for ghcid
- - - - -
d52a0475 by Andrew Lelechenko at 2024-10-27T05:37:13-04:00
documentation: add motivating section to Control.Monad.Fix
- - - - -
301c3b54 by Cheng Shao at 2024-10-27T05:37:49-04:00
wasm: fix safari console error message related to import("node:timers")
This patch fixes the wasm backend JSFFI prelude script to avoid
calling `import("node:timers")` on non-deno hosts. Safari doesn't like
it and would print an error message to the console. Fixes
https://gitlab.haskell.org/ghc/ghc-wasm-meta/-/issues/13.
- - - - -
9f02dfb5 by Simon Peyton Jones at 2024-10-27T15:10:08-04:00
Add a missing tidy in UnivCo
We were failing to tidy the argument coercions of a UnivCo, which
led directly to #25391.
The fix is, happily, trivial.
I don't have a small repro case (it came up when building horde-ad,
which uses typechecker plugins). It should be possible to make a
repro case, by using a plugin (which builds a UnivCo) but I decided
it was not worth the bother. The bug is egregious and easily fixed.
- - - - -
853050c3 by Andrew Lelechenko at 2024-10-27T15:10:44-04:00
Bump text submodule to 2.1.2
- - - - -
90746a59 by Andrew Lelechenko at 2024-10-27T15:10:44-04:00
hadrian: allow -Wunused-imports for text package
- - - - -
8a6691c3 by Alan Zimmerman at 2024-10-27T19:44:48+00:00
EPA: Remove AddEpAnn Commit 8/final
EPA: Remove AddEpAnn from AnnList
EPA: Remove AddEpAnn from GrhsAnn
This is the last actual use
EPA: Remove NameAdornment from NameAnn
Also rework AnnContext to use EpToken, and AnnParen
EPA: Remove AddEpAnn. Final removal
There are now none left, except for in a large note/comment in
PostProcess, describing the historical transition to the
disambiguation infrastructure
- - - - -
d5e7990c by Alan Zimmerman at 2024-10-28T21:41:05+00:00
EPA: Remove AnnKeywordId.
This was used as part of AddEpAnn, and is no longer needed.
Also remove all the haddock comments about which of are attached to
the various parts of the AST. This is now clearly captured in the
appropriate TTG extension points, and the `ExactPrint.hs` file.
- - - - -
e08b8370 by Serge S. Gulin at 2024-10-29T23:17:01-04:00
JS: Re-add optimization for literal strings in genApp (fixes #23479)
Based on https://gitlab.haskell.org/ghc/ghc/-/merge_requests/10588/
Co-authored-by: Sylvain Henry <sylvain at haskus.fr>
Co-authored-by: Andrei Borzenkov <root at sandwitch.dev>
Co-authored-by: Danil Berestov <goosedb at yandex.ru>
-------------------------
Metric Decrease:
T25046_perf_size_gzip
size_hello_artifact
size_hello_artifact_gzip
size_hello_unicode
size_hello_unicode_gzip
-------------------------
- - - - -
e3496ef6 by Cheng Shao at 2024-10-29T23:17:37-04:00
compiler: remove unused hscDecls/hscDeclsWithLocation
This patch removes unused `hscDecls`/`hscDeclsWithLocation` functions
from the compiler, to reduce maintenance burden when doing
refactorings related to ghci.
- - - - -
b1eed26f by Cheng Shao at 2024-10-29T23:18:13-04:00
testsuite: add T25414 test case marked as broken
This commit adds T25414 test case to demonstrate #25414. It is marked
as broken and will be fixed by the next commit.
- - - - -
e70009bc by Cheng Shao at 2024-10-29T23:18:13-04:00
driver: fix foreign stub handling logic in hscParsedDecls
This patch fixes foreign stub handling logic in `hscParsedDecls`.
Previously foreign stubs were simply ignored here, so any feature that
involve foreign stubs would not work in ghci (e.g. CApiFFI). The patch
reuses `generateByteCode` logic and eliminates a large chunk of
duplicate logic that implements Core to bytecode generation pipeline
here. Fixes #25414.
- - - - -
1d7cd7fe by Andreas Klebinger at 2024-10-30T19:14:28-04:00
Add since tag for -fwrite-if-compression in user guide.
Partial fix for #25395
- - - - -
b349fd1b by Alan Zimmerman at 2024-10-30T19:15:04-04:00
EPA: Remove some unused functions
- - - - -
f859d61c by Alan Zimmerman at 2024-10-30T19:15:04-04:00
EPA: use explicit vertical bar token for ExplicitSum / SumPat
- - - - -
721ac00d by Ben Gamari at 2024-10-31T08:37:38-04:00
rts/Disassembler: Fix encoding of BRK_FUN instruction
The offset of the CC field was not updated after the encoding change in
b85b11994e0130ff2401dd4bbdf52330e0bcf776. Fix this.
Fixes #25374.
- - - - -
0bc94360 by Alan Zimmerman at 2024-10-31T08:38:15-04:00
EPA: Bring in last EpToken usages
For import declarations, NameAnnCommas and NPlusKPat.
And remove anchor, it is the same as epaLocationRealSrcSpan.
- - - - -
0b11cdc0 by sheaf at 2024-10-31T08:38:55-04:00
Assert that ctEvCoercion is called on an equality
Calling 'ctEvCoercion' on non-equality constraints is always incorrect.
We add an assertion to this function to detect such cases; for example
a type-checking plugin might erroneously do this.
- - - - -
ea458779 by doyougnu at 2024-11-01T18:11:33-04:00
ghc-internal: strict, unboxed src loc ranges
- closes: #20449
- See CLC proposal: #55
- - - - -
778ac793 by Kazuki Okamoto at 2024-11-01T18:12:13-04:00
No haddock markup in doctest line
- - - - -
cf0deeaf by Andreas Klebinger at 2024-11-02T17:54:52-04:00
Reword -fexpose-overloaded-unfoldings docs.
This should make them slightly clearer. Fixes #24844
Co-authored-by: Sylvain Henry <sylvain at haskus.fr>
- - - - -
1c21e7d4 by Andreas Klebinger at 2024-11-02T17:55:29-04:00
Compile T25062 simd tests even if we can't run them.
Helps avoid them being utterly broken.
Fixes #25341
- - - - -
573cad4b by Cheng Shao at 2024-11-02T17:56:04-04:00
Remove unused USE_REPORT_PRELUDE code paths from the tree
This patch removes unused `USE_REPORT_PRELUDE` code paths from the
tree. They have been present since the first git revision
4fb94ae5e5d632748fa2e6c35e259eccc5a1a3f4, and might have been useful
for debugging purposes many years ago, but these code paths are never
actually built. Removing these ease maintenance of relevant modules in
the future, and also allows us to get rid of `CPP` extension in those
modules as a nice byproduct.
- - - - -
97f600c6 by Hassan Al-Awwadi at 2024-11-04T15:52:12+00:00
Refactored BooleanFormula to be in line with TTG (#21592)
There are two parts to this commit.
* We moved the definition of BooleanFormula over to L.H.S.BooleanFormula
* We parameterized the BooleanFormula over the pass
The GHC specific details of BooleanFormula remain in Ghc.Data.BooleanFormula.
Because its parameterized over the pass its no longer a functor or
traversable, but we defined bfMap and bfTraverse for the cases where we
needed fmap and traverse originally. Most other changes are just churn.
-------------------------
Metric Decrease:
MultiLayerModulesTH_OneShot
-------------------------
- - - - -
d4fd3580 by Andreas Klebinger at 2024-11-05T07:36:16-05:00
ghc-heap: Fix incomplete selector warnings.
Use utility functions instead of selectors to read partial attributes.
Part of fixing #25380.
- - - - -
fdd9f62a by Peter Trommler at 2024-11-05T07:36:51-05:00
PPC NCG: Implement fmin and fmax
- - - - -
8e217256 by Mike Pilgrem at 2024-11-07T04:34:20-05:00
Re CLC #293 - Don't specify Data.List.NonEmpty in terms of partial
See https://github.com/haskell/core-libraries-committee/issues/293
`List.init` had already been driven out of `tails1` by 21fc180bec93d964a7f4ffdf2429ef6f74b49ab6 but this specification also avoided partial `fromList`, so I preferred it.
The `changelog.md` for `base` is updated, with an entry added under `base-4.22.0.0`.
- - - - -
346e4cd1 by Zubin Duggal at 2024-11-07T04:34:57-05:00
release: copy zip files into the correct directory
Fixes #25446
- - - - -
bbdbe225 by Zubin Duggal at 2024-11-07T04:34:57-05:00
release: Sign .gz bindists too
Fixes #25447
- - - - -
0c722e14 by Hécate Kleidukos at 2024-11-07T04:35:37-05:00
hadrian: Enforce the usage of GHC >=9.8.1 for ghci-multi
GHC 9.6 no good when it comes to multi-repl stuff, despite being well
within the range of n-2 releases for bootstrapping, when the script was
adapted to load haddock, in !12851
- - - - -
d8f8a1c3 by Sylvain Henry at 2024-11-07T19:27:46-05:00
Handle the special ghc-prim:GHC.Prim module in the compiler
Before this patch, some custom hacks were necessary in ghc-prim's
Setup.hs to register the GHC.Prim (virtual) module and in Hadrian to
generate haddocks properly.
In this patch we special-case this module in the compiler itself instead
(which it already is, see ghcPrimIface in GHC.Iface.Load). From
Cabal/Hadrian's perspective GHC.Prim is now just a normal autogenerated
module.
This simplification is worthwhile on its own. It was found while looking
into the work needed for #24453 which aims to merge ghc-prim,
ghc-bignum, and ghc-internal. It's also one step closer to remove
ghc-prim's custom setup.
- - - - -
a55adc8e by Cheng Shao at 2024-11-07T19:28:22-05:00
Clean up obsolete CPP guarded code paths from the tree
This patch cleans up obsolete CPP guarded code paths from the tree.
The minimum supported boot GHC version is 9.6, and all the pre-9.6 era
code paths can be removed.
- - - - -
9ede97f3 by Cheng Shao at 2024-11-07T19:28:58-05:00
Remove obsolete executable wrappers from the tree
The executable wrappers are handled by hadrian and bindist Makefile.
The various .wrapper scripts in the tree are unused since removal of
Make build system, so this patch removes them all.
- - - - -
7d42b2df by tristian at 2024-11-07T19:29:40-05:00
TcRnDuplicateDecls now suggests to use the DuplicateRecordFields extension.
Fixes: !24627
- - - - -
e56ed179 by Zubin Duggal at 2024-11-11T15:16:35+05:30
testsuite: normalise some versions in callstacks
(cherry picked from commit f230e29f30d0c1c566d4dd251807fcab76a2710e)
- - - - -
a28fc903 by Zubin Duggal at 2024-11-11T15:16:35+05:30
testsuite: use -fhide-source-paths to normalise some backpack tests
(cherry picked from commit b19de476bc5ce5c7792e8af1354b94a4286a1a13)
- - - - -
ed16d303 by Zubin Duggal at 2024-11-11T15:16:36+05:30
testsuite/haddock: strip version identifiers and unit hashes from html tests
(cherry picked from commit fbf0889eadc410d43dd5c1657e320634b6738fa5)
- - - - -
e45e5836 by Zubin Duggal at 2024-11-11T15:16:36+05:30
haddock: oneshot tests can drop files if they share modtimes. Stop this by
including the filename in the key.
Ideally we would use `ghc -M` output to do a proper toposort
Partially addresses #25372
(cherry picked from commit e78c7ef96e395f1ef41f04790aebecd0409b92b9)
- - - - -
9104e6eb by Zubin Duggal at 2024-11-11T15:16:36+05:30
testsuite: fix normalisation of T9930fail so that it doesn't get tripped up by ghc executable (ARGV[0]) differences
(cherry picked from commit a79a587e025d42d34bb30e115fc5c7cab6c1e030)
- - - - -
2c31264a by Zubin Duggal at 2024-11-11T15:16:36+05:30
testsuite: normalise windows file seperators
(cherry picked from commit f858875e03b9609656b542aaaaff85ad0a83878a)
- - - - -
2807f91b by Zubin Duggal at 2024-11-11T15:21:30+05:30
testsuite: Also match <VERSION> placeholders when normalising callsites
- - - - -
c02add17 by Ben Gamari at 2024-11-12T01:22:11-05:00
configure: Check version number validity
Here we verify the previously informal invariant that stable release
version numbers must have three components, preventing costly failed
releases.
Specifically, the check fails in the following scenarios:
* `version=9.13` while `RELEASE=YES` since this would imply a
release made from an unstable branch
* `version=9.13.0` since unstable versions should only have two
components
* `version=9.12` since this has the wrong number of version components
for a stable branch
Fixes #25390.
- - - - -
747fd322 by Teo Camarasu at 2024-11-12T01:22:49-05:00
docs: link to #14474 in the template-haskell docs
- - - - -
6d96bb62 by Zubin Duggal at 2024-11-12T01:23:25-05:00
testsuite: normalise execvp vs exec differences in process tests
Fixes #25431
- - - - -
502e6711 by Torsten Schmits at 2024-11-12T01:24:01-05:00
fix test lint that accumulated while the checks were broken
I didn't fix the issues flagged by the #ifdef linter because it were so
many that it seemed like the rule has become obsolete.
- - - - -
223a4cb5 by Torsten Schmits at 2024-11-12T01:24:02-05:00
test driver: fix file collection for regex linters
When a testsuite linter is executed with the `tracked` strategy, the
driver runs `git ls-tree` to collect eligible files.
This appears to have ceased producing any paths – `ls-tree` restricts
its results to the current working directory, which is
`testsuite/tests/linters` in this case.
As a quick fix, this patch changes the working directory to match
expectations.
- - - - -
9ad9ac63 by Alan Zimmerman at 2024-11-12T01:24:39-05:00
EPA: Capture location of '_' for wild card type binder
And keep track of promotion status in HsExplicitTupleTy, so the
round-trip ppr test works for it.
Updates Haddock output too, using the PromotionFlag in
HsExplicitTupleTy.
Closes #25454
- - - - -
c37b96fa by Cheng Shao at 2024-11-12T01:25:15-05:00
wasm: fix setImmediate() implementation for Cloudflare Workers
This patch fixes setImmediate() implementation for Cloudflare Workers
in the wasm backend's js prelude script. Cloudflare Workers doesn't
support the MessageChannel API, and we use a setTimeout() based
fallback implementation in this case.
- - - - -
bea8ea4c by Cheng Shao at 2024-11-12T01:25:15-05:00
wasm: fix FinalizationRegistry logic for Cloudflare Workers
This patch fixes FinalizationRegistry related logic for Cloudflare
Workers in wasm backend js post linker. Cloudflare Workers doesn't
support FinalizationRegistry, in this case we use a dummy
implementation that doesn't do anything.
- - - - -
00d551bf by Cheng Shao at 2024-11-13T08:48:21-05:00
Remove obsolete cross-port script
This patch removes the obsolete cross-port script in the tree. The
script was based on the legacy Make build system which has been pruned
from the tree long ago. For hadrian, proper support for two-stage
bootstrapping onto a new unsupported platform is a work in progress in
!11444.
- - - - -
75a2eae4 by Cheng Shao at 2024-11-13T08:48:58-05:00
hadrian: fix bindist makefile for wasm32-wasi target
This patch fixes one incoherent place between bindist makefile and
hadrian logic: I forgot to include wasi/wasm32 in
OsSupportsGHCi/ArchSupportsGHCi as well. And this results in incorrect
settings file generated after installing the bindist, and "Use
interpreter"/"Have interpreter" fields incorrectly have "NO" values
where they should be "YES" like --info output of in-tree version.
- - - - -
0614abef by Alan Zimmerman at 2024-11-13T08:49:34-05:00
EPA: Correctly capture leading semis in decl list
Closes #25467
- - - - -
00d58ae1 by Sebastian Graf at 2024-11-13T15:21:23-05:00
DmdAnal: Make `prompt#` lazy (#25439)
This applies the same treatment to `prompt#` as for `catch#`.
See `Note [Strictness for mask/unmask/catch/prompt]`.
Fixes #25439.
- - - - -
93233a66 by Ben Gamari at 2024-11-13T15:21:59-05:00
boot: Do not attempt to update config.sub
While Apple ARM hardware was new we found that the autoconf scripts
included in some boot packages were too old. As a mitigation for this,
we introduced logic in the `boot` script to update the `config.sub`
with that from the GHC tree. However, this causes submodules which
have `config.sub` committted to appear to be dirty. This is a
considerable headache.
Now since `config.sub` with full platform support is more common we can
remove `boot`'s `config.sub` logic.
Fixes #19574.
- - - - -
fa66fa64 by Ryan Scott at 2024-11-14T19:05:00-05:00
Add regression test for #16234
Issue #16234 was likely fixed by !9765. This adds a regression test to ensure
that it remains fixed.
Fixes #16234.
- - - - -
bfe64df8 by Matthew Pickering at 2024-11-14T19:05:36-05:00
ghc-internal: Update to Unicode 16
This patch updates the automatically generated code for querying unicode
properties to unicode 16.
Fixes #25402
- - - - -
1fd83f86 by Ben Gamari at 2024-11-14T19:06:13-05:00
configure: Accept happy-2.1.2
happy-2.1 was released in late Oct 2024. I have confirmed that master
bootstraps with it. Here we teach configure to accept this tool.
Fixes #25438.
- - - - -
aa58fc5b by Ben Gamari at 2024-11-14T19:06:49-05:00
rts: Tighten up invariants of PACK
- - - - -
8aa4c10a by Ben Gamari at 2024-11-14T19:06:49-05:00
testsuite: Fix badly escaped literals
Use raw string literals to ensure that `\s` is correctly interpreted as
a character class.
- - - - -
0e084029 by Ben Gamari at 2024-11-14T19:06:49-05:00
rts: Improve documentation of SLIDE bytecode instruction
- - - - -
9bf3663b by Ben Gamari at 2024-11-14T19:06:49-05:00
rts/Interpreter: Assert that TEST*_P discriminators are valid
- - - - -
1f668511 by Ben Gamari at 2024-11-14T19:06:49-05:00
rts/Interpreter: Improve documentation of TEST*_P instructions
- - - - -
59e0a770 by Cheng Shao at 2024-11-14T19:07:25-05:00
misc: improve clangd compile_flags.txt flags
This patch improves the compile_flags.txt config used to power clangd
for the rts C codebase. The flags in the file are sampled & deduped
from a real stage1 build with clang-19 and vastly improves the IDE
accuracy when hacking the rts.
For maximum code coverage under the default settings,
compile_flags.txt defaults to threaded+profiled+dynamic+debug way.
This does not mean profdyn needs to be actually built in _build/stage1
for IDE to work. To activate IDE for other RTS ways, simply remove one
of the -D flags at the end of compile_flags.txt and restart clangd.
- - - - -
c2c562e0 by Ben Gamari at 2024-11-14T19:08:01-05:00
testsuite: Don't consider untracked files in dirtiness check
Considering trees containing untracked files as dirty is a bridge too
far. The chance of an untracked file significantly affecting measured
performanced metrics is quite small whereas not collecting measurements
is quite inconvenient for some workflows. We now ignore untracked files
in the dirtiness check.
Fixes #25471.
- - - - -
ed2ed6c5 by Cheng Shao at 2024-11-14T19:08:37-05:00
testsuite: add regression test T25473
This commit adds regression test T25473 marked as broken due to #25473.
It will be fixed in the subsequent commit.
- - - - -
bd0a8b7e by Cheng Shao at 2024-11-14T19:08:37-05:00
wasm: fix foreign import javascript "wrapper" in TH/ghci
This patch fixes foreign import javascript "wrapper" in wasm backend's
TH/ghci by fixing the handling of dyld/finalization_registry magic
variables. Fixes T25473 and closes #25473.
- - - - -
f1b0bc32 by Ben Gamari at 2024-11-14T19:09:13-05:00
rts/linker: Make FreeBSD declarations proper prototypes
The iconv declarations for FreeBSD were previously not prototypes,
leading to warnings.
- - - - -
086cbbc1 by Ben Gamari at 2024-11-14T19:09:13-05:00
base: Drop redundant import in FreeBSD ExecutablePath implementation
- - - - -
79ecd199 by Ben Gamari at 2024-11-14T19:09:13-05:00
compiler: Fix partial selector warnings in GHC.Runtime.Heap.Inspect
- - - - -
1acb73bf by Andrew Lelechenko at 2024-11-15T06:10:47-05:00
gitlab: mention CLC in MR template
- - - - -
8f2e0832 by Ben Gamari at 2024-11-15T06:11:24-05:00
rts: Allow use of GNU-stack notes on FreeBSD
Previously we gated use of GNU-style non-executable stack notes to only
apply on Linux. However, these are also supported by FreeBSD, which also
uses ELF. Fix this.
Fixes #25475.
- - - - -
2c427cb0 by Ben Gamari at 2024-11-16T05:27:40-05:00
rts: Fix EINTR check in timerfd ticker
When `poll` failed we previously checked that `errno == -EINTR` to
silence the failure warning. However, this is wrong as `errno` values
are generally not negated error codes (in contrast to many system call
results, which is likely what the original author had in mind).
Fixes #25477.
- - - - -
a0fa4941 by Ben Gamari at 2024-11-16T05:28:16-05:00
rts: Increase gen_workspace alignment to 128 bytes on AArch64
Increase to match the 128-byte cache-line size of Apple's ARMv8
implementation.
Closes #25459.
- - - - -
142d8afa by Ben Gamari at 2024-11-16T16:20:47-05:00
rts/RtsFlags: Refactor size parsing
This makes a number of improvements mentioned in #20201:
* fail if the argument cannot be parsed as a number (`-Mturtles`)
* fail if an unrecognized unit is given (e.g. `-M1x`)
- - - - -
b7a146e5 by Ben Gamari at 2024-11-16T16:20:47-05:00
testsuite: Add tests for RTS flag parsing error handling
See #20201.
- - - - -
ddb7afa6 by Ben Gamari at 2024-11-16T16:21:23-05:00
users guide: Mention language extensions in equality constraints discussion
As suggested in #24127, mention the language extensions necessary for
usage of equality constriants in their documentation.
Closes #24127.
- - - - -
36133dac by Ben Gamari at 2024-11-16T16:21:23-05:00
users-guide/9.14.1-notes: Fix list syntax
- - - - -
888de658 by Ben Gamari at 2024-11-16T16:21:23-05:00
users-guide/debug-info: Fix duplicate flag descriptions
- - - - -
f120e427 by Ben Gamari at 2024-11-16T16:21:23-05:00
users-guide: Fix reference to 9.14.1 release notes
- - - - -
8e975032 by Ben Gamari at 2024-11-16T16:21:59-05:00
Introduce GHC.Tc.Plugin.lookupTHName
This makes it significantly more convenient (and less
GHC-version-dependent) to resolve a template-haskell name into a GHC
Name.
As proposed in #24741.
- - - - -
a0e168ec by ARATA Mizuki at 2024-11-16T16:22:40-05:00
x86 NCG SIMD: Lower packFloatX4#, insertFloatX4# and broadcastFloatX4# to SSE1 instructions
Fixes #25441
Co-authored-by: sheaf <sam.derbyshire at gmail.com>
- - - - -
3936bf1b by sheaf at 2024-11-16T16:23:22-05:00
X86 NCG: allow VXOR at scalar floating-point types
The NCG can emit VXOR instructions at scalar floating-point types,
but the pretty-printer would panic instead of emitting the appropriate
VXORPS/VXORPD instructions. This patch rectifies that oversight.
Fixes #25455
- - - - -
d9dff93a by Ben Gamari at 2024-11-16T16:23:58-05:00
rts: Fix platform-dependent pointer casts
Previously we had unnecessary (and incorrect) platform-dependent casts
to turn `OSThreadIds`s into a integer. We now just uniformly cast first
to a `uintptr_t` (which is always safe, regardless of whether
`OSThreadId` is a pointer), and then cast to the desired integral type.
This fixes a warning on musl platforms.
- - - - -
6d95cdb8 by Ben Gamari at 2024-11-16T16:24:34-05:00
testsuite: Mark encoding004 as broken on FreeBSD
Due to #22003, CP936 fails to roundtrip:
```diff
== CP936
+Failed to roundtrip given mutant byte at index 891 (251 /= 123 at index 891)
+Failed to roundtrip given mutant byte at index 1605 (197 /= 69 at index 1605)
+Failed to roundtrip given mutant byte at index 2411 (235 /= 107 at index 2411)
+Failed to roundtrip given mutant byte at index 6480 (208 /= 80 at index 6480)
+Failed to roundtrip given mutant byte at index 6482 (210 /= 82 at index 6482)
+Failed to roundtrip given mutant byte at index 6484 (212 /= 84 at index 6484)
+Failed to roundtrip given mutant byte at index 6496 (224 /= 96 at index 6496)
+Failed to roundtrip given mutant byte at index 7243 (203 /= 75 at index 7243)
+Failed to roundtrip given mutant byte at index 7277 (237 /= 109 at index 7277)
+Failed to roundtrip given mutant byte at index 8027 (219 /= 91 at index 8027)
+Failed to roundtrip given mutant byte at index 8801 (225 /= 97 at index 8801)
```
- - - - -
26e86984 by Ben Gamari at 2024-11-18T04:05:31-05:00
hadrian: Allow haddock options to be passed via key-value settings
- - - - -
6e68b117 by Matthew Pickering at 2024-11-18T04:06:07-05:00
Exception rethrowing
Basic changes:
* Change `catch` function to propagate exceptions using the
WhileHandling mechanism.
* Introduce `catchNoPropagate`, which does the same as before, but
passes an exception which can be rethrown.
* Introduce `rethrowIO` combinator, which rethrows an exception with a
context and doesn't add a new backtrace.
* Introduce `tryWithContext` for a variant of `try` which can rethrow
the exception with it's original context.
* onException is modified to rethrow the original error rather than
creating a new callstack.
* Functions which rethrow in GHC.Internal.IO.Handle.FD,
GHC.Internal.IO.Handle.Internals, GHC.Internal.IO.Handle.Text, and
GHC.Internal.System.IO.Error are modified to not add a new callstack.
Implements CLC proposal#202 <https://github.com/haskell/core-libraries-committee/issues/202>
- - - - -
a4e0d235 by Rodrigo Mesquita at 2024-11-18T04:06:07-05:00
exceptions: Improve the message layout as per #285
This commit fixes the layout of the additional information included when
displaying an exception, namely the type of the exception.
It also fixes the default handler's heading message to work well
together with the improved display message of SomeException.
CLC proposal#285
- - - - -
284ffab3 by Rodrigo Mesquita at 2024-11-18T04:06:07-05:00
Display type and callstack of exception on handler
This commit changes the Exception instance of SomeException to *simply*
display the underlying exception in `displayException`. The augmented
exception message that included the type and backtrace of the exception
are now only printed on a call to `displayExceptionWithInfo`.
At a surface level, existing programs should behave the same since the
`uncaughtExceptionHandler`, which is responsible for printing out uncaught
exceptions to the user, will use `displayExceptionWithInfo` by default.
However, unlike the instance's `displayException` method, the
`uncaughtExceptionHandler` can be overriden with
`setUncaughtExceptionHandler`. This makes the extra information opt-in
without fixing it the instance, which can be valuable if your program
wants to display uncaught exceptions to users in a user-facing way
(ie without backtraces).
This is what was originally agreed for CLC#231 or CLC#261 with regard to
the type of the exception information.
The call stack also becoming part of the default handler rather than the
Exception instance is an ammendment to CLC#164.
Discussion of the ammendment is part of CLC#285.
- - - - -
36cddd2c by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
Remove redundant CallStack from exceptions
Before the exception backtraces proposal was implemented, ErrorCall
accumulated its own callstack via HasCallStack constraints, but
ExceptionContext is now accumulated automatically.
The original ErrorCall mechanism is now redundant and we get a duplicate
CallStack
Updates Cabal submodule to fix their usage of ErrorCallWithLocation to ErrorCall
CLC proposal#285
Fixes #25283
- - - - -
7a74330b by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
Freeze call stack in error throwing functions
CLC proposal#285
- - - - -
3abf31a4 by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
De-duplicate displayContext and displayExceptionContext
The former was unused except for one module where it was essentially
re-defining displayExceptionContext.
Moreover, this commit extends the fix from
bfe600f5bb3ecd2c8fa71c536c63d3c46984e3f8 to displayExceptionContext too,
which was missing.
- - - - -
c0d783f8 by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
Re-export NoBacktrace from Control.Exception
This was originally proposed and accepted in section
"2.7 Capturing Backtraces on Exceptions"
of the CLC proposal for exception backtraces.
However, the implementation missed this re-export, which this commit now
fixes.
- - - - -
802b5c3e by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
Fix exception backtraces from GHCi
When running the program with `runhaskell`/`runghc` the backtrace should
match the backtrace one would get by compiling and running the program.
But currently, an exception thrown in a program interpreted with
`runhaskell` will:
* Not include the original exception backtrace at all
* Include the backtrace from the internal GHCi/ghc rethrowing of the
original exception
This commit fixes this divergence by not annotating the ghc(i) backtrace
(with NoBacktrace) and making sure that the backtrace of the original
exception is serialized across the boundary and rethrown with the
appropriate context.
Fixes #25116
The !13301 MR (not this commit in particular) improves performance of
MultiLayerModules. Unfortunately, T3294 regresses on aarch64-linux-deb12
by 1% allocations. Since this patch must be merged for 9.12 ASAP, we
will not be able to investigate the slight regression on this platform
in time.
-------------------------
Metric Decrease:
MultiLayerModulesRecomp
MultiLayerModulesTH_OneShot
Metric Increase:
T3294
-------------------------
- - - - -
3e89eb65 by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
base: Add to changelog.md CLC #285
- - - - -
d9326a48 by Rodrigo Mesquita at 2024-11-18T04:06:08-05:00
Bump array and stm submodules for testsuite
The testsuites of array and stm had to be updated according to !13301.
Updates submodule array and stm.
- - - - -
325fcb5d by Ben Gamari at 2024-11-18T04:06:45-05:00
rts/adjustor: Clean up code style of Nativei386 adjustor
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39bb6e58 by Ben Gamari at 2024-11-18T04:06:45-05:00
rts/adjustor: Fix stack overrun error in Nativei386 adjustor
We were reserving the wrong kind of adjustor context (the generic
`AdjustorContext` used by other adjustor implementations, rather than
the i386-specific `CCallContext`) to return the adjustor context while
freeing, resulting in #25485.
Fixes #25485.
- - - - -
831aab22 by sheaf at 2024-11-18T21:22:36-05:00
Include diagnostic reason in -fdiagnostics-as-json
This commit ensures that the -fdiagnostics-as-json output includes the
diagnostic reason. This allows the full error message produced by GHC
to be re-constructed from the JSON output.
Fixes #25403
- - - - -
3e5bfdd3 by Ben Gamari at 2024-11-18T21:23:12-05:00
rts: Introduce printIPE
This is a convenience utility for use in GDB.
- - - - -
44d909a3 by Sjoerd Visscher at 2024-11-19T14:38:24-05:00
Don't store boot locations in finder cache
Partially reverts commit fff55592a7b
Amends add(Home)ModuleToFinder so that locations for boot files are not stored in the finder cache.
Removes InstalledModule field from InstalledFound constructor since it's the same as the key that was searched for.
- - - - -
64c95292 by Sjoerd Visscher at 2024-11-19T14:38:24-05:00
Concentrate boot extension logic in Finder
With new mkHomeModLocation that takes an extra HscSource to add boot extensions if required.
- - - - -
11bad98d by ARATA Mizuki at 2024-11-19T14:39:08-05:00
Better documentation for floating-point min/max and SIMD primitives
See #25350 for floating-point min/max
Co-authored-by: sheaf <sam.derbyshire at gmail.com>
- - - - -
791a47b2 by Arnaud Spiwack at 2024-11-20T14:00:05+00:00
Add test for #25185
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374e18e5 by Arnaud Spiwack at 2024-11-20T14:09:30+00:00
Quick look: emit the multiplicity of app heads in tcValArgs
Otherwise it's not scaled properly by the context, allowing unsound
expressions.
Fixes #25185.
- - - - -
1fc02399 by sheaf at 2024-11-20T18:11:03-05:00
x86 NCG: fix regUsageOfInstr for VMOVU & friends
This commit fixes the implementation of 'regUsageOfInstr' for vector
operations that take an 'Operand' as the destination, by ensuring that
when the destination is an address then the address should be *READ*,
and not *WRITTEN*.
Getting this wrong is a disaster, as it means the register allocator
has incorrect information, which can lead to it discard stores to
registers, segfaults ensuing.
Fixes #25486
- - - - -
7bd407a6 by Brandon Chinn at 2024-11-21T14:08:15-05:00
Fix CRLF in multiline strings (#25375)
- - - - -
7575709b by Rodrigo Mesquita at 2024-11-21T14:08:52-05:00
Improve reachability queries on ModuleGraph
Introduces `ReachabilityIndex`, an index constructed from a
`GHC.Data.Graph.Directed` `Graph` that supports fast reachability
queries (in $O(1)$). This abstract data structure is exposed from
`GHC.Data.Graph.Directed.Reachability`.
This index is constructed from the module graph nodes and cached in
`ModuleGraph`, enabling efficient reachability queries on the module
graph. Previously, we'd construct a Map of Set of ModuleGraph nodes
which used a lot of memory (`O(n^2)` in the number of nodes) and cache
that in the `ModuleGraph`. By using the reachability index we get rid of
this space leak in the module graph -- even though the index is still
quadratic in the number of modules, it is much, much more space
efficient due to its representation using an IntMap of IntSet as opposed
to the transitive closure we previously cached.
In a memory profile of MultiLayerModules with 100x100 modules, memory
usage improved from 6GB residency to 2.8GB, out of which roughly 1.8GB
are caused by a second space leak related to ModuleGraph. On the same
program, it brings compile time from 7.5s to 5.5s.
Note how we simplify `checkHomeUnitsClosed` in terms of
`isReachableMany` and by avoiding constructing a second graph with the
full transitive closure -- it suffices to answer the reachability query
on the full graph without collapsing the transitive closure completely
into nodes.
Unfortunately, solving this leak means we have to do a little bit more
work since we can no longer cache the result of turning vertex indices
into nodes. This results in a slight regression in MultiLayerModulesTH_Make,
but results in large performance and memory wins when compiling large
amounts of modules.
-------------------------
Metric Decrease:
mhu-perf
Metric Increase:
MultiLayerModulesTH_Make
-------------------------
- - - - -
bcbcdaaf by Cheng Shao at 2024-11-21T14:09:28-05:00
driver: fix hpc undefined symbol issue in TH with -fprefer-byte-code
This commit fixes an undefined symbol error in RTS linker when
attempting to compile home modules with -fhpc and
-fbyte-code-and-object-code/-fprefer-byte-code, see #25510 for
detailed description and analysis of the bug.
Also adds T25510/T25510c regression tests to test make mode/oneshot
mode of the bug.
- - - - -
970ada5a by Ben Gamari at 2024-11-22T23:32:06-05:00
gitlab-ci: Bump ci-images
For introduction of Alpine/i386 image.
Thanks to Julian for the base image.
Co-Authored-By: Julian Ospald <hasufell at hasufell.de>
- - - - -
8115abc2 by Ben Gamari at 2024-11-22T23:32:06-05:00
gitlab-ci: Add release job for i386/Alpine
As requested by Mikolaj and started by Julian.
Co-Authored-By: Julian Ospald <hasufell at hasufell.de>
- - - - -
639f0149 by Ben Gamari at 2024-11-22T23:32:06-05:00
rts/linker/Elf: Resolve _GLOBAL_OFFSET_TABLE_
- - - - -
490d4d0a by Ben Gamari at 2024-11-22T23:32:06-05:00
gitlab-ci: Mark i386 Alpine test breakages
Marks the following tests as broken on i386/Alpine:
* T22033 due to #25497
* simd009, T25062_V16, T25169, T22187_run due to #25498
- - - - -
536cdf09 by Cheng Shao at 2024-11-22T23:32:42-05:00
compiler: remove unused GHC.Linker.Loader.loadExpr
This patch removes the unused `GHC.Linker.Loader.loadExpr` function.
It was moved from `GHC.Runtime.Linker.linkExpr` in `ghc-9.0` to
`GHC.Linker.Loader.loadExpr` in `ghc-9.2`, and remain completely
unused and untested ever since. There's also no third party user of
this function to my best knowledge, so let's remove this. Anyone who
wants to write their own GHC API function to load bytecode can consult
the source code in older release branches.
- - - - -
6ee35024 by Drew Fenwick at 2024-11-22T23:33:26-05:00
Fix a non-compiling example in the type abstractions docs
This patch adds a missing Show constraint to a code example in the User Guide's type abstractions docs to fix issue #25422.
- - - - -
d1172e20 by Rodrigo Mesquita at 2024-11-22T23:34:02-05:00
Re-introduce ErrorCallWithLocation with a deprecation pragma
With the removal of the duplicate backtrace, part of CLC proposal #285,
the constructor `ErrorCallWithLocation` was removed from base.
This commit re-introduces it with a deprecation.
- - - - -
1187a60a by Ben Gamari at 2024-11-22T23:34:39-05:00
testsuite: Skip tests requiring Hadrian deps in out-of-tree testsuite runs
Some testsuite tests require specific tools (e.g. `check-ppr` and
`check-exact`) beyond those shipped in the binary distribution. Skip
these tests.
Fixes #13897.
- - - - -
c37d7a2e by Ben Gamari at 2024-11-22T23:34:39-05:00
testsuite: Declare exactprint tests' dependency on check-exact
- - - - -
454ce957 by Ben Gamari at 2024-11-22T23:35:15-05:00
ghc-internal: Fix a few cases of missing Haddock markup
- - - - -
a249649b by Ben Gamari at 2024-11-22T23:35:51-05:00
testsuite/GHCiPrimCall : Add missing Makefile includes
- - - - -
a021a493 by Ben Gamari at 2024-11-22T23:35:51-05:00
testsuite/IpeStats: Use Make rather than shell interpolation
- - - - -
b7c7c1d7 by Sven Tennie at 2024-11-23T14:58:42+01:00
WIP: Trying to get simd000 test green
- - - - -
8aa8c7d1 by Sven Tennie at 2024-11-23T14:59:47+01:00
WIP: simd000 - hacked further
- - - - -
a79a3b2d by Sven Tennie at 2024-11-23T14:59:50+01:00
WIP
- - - - -
558d858c by Sven Tennie at 2024-11-23T14:59:50+01:00
simd000 green
- - - - -
8d40dd20 by Sven Tennie at 2024-11-23T14:59:50+01:00
simd001 green
- - - - -
5530dbaa by Sven Tennie at 2024-11-23T14:59:50+01:00
simd003 green
- - - - -
8cdc5e26 by Sven Tennie at 2024-11-23T14:59:50+01:00
simd006 green
- - - - -
62ac5e40 by Sven Tennie at 2024-11-23T14:59:50+01:00
simd007 green
- - - - -
e754d719 by Sven Tennie at 2024-11-23T14:59:50+01:00
simd008 && simd009 green
- - - - -
265d3ba7 by Sven Tennie at 2024-11-23T14:59:50+01:00
Fix int expr cases
- - - - -
75332633 by Sven Tennie at 2024-11-23T14:59:50+01:00
Vector FMA
- - - - -
2d381484 by Sven Tennie at 2024-11-23T14:59:50+01:00
Add TAB char operator
- - - - -
133d0fe3 by Sven Tennie at 2024-11-23T16:43:02+01:00
Fix vector ccalls
- - - - -
5 changed files:
- .ghcid
- .gitattributes
- .gitlab-ci.yml
- .gitlab/ci.sh
- .gitlab/generate-ci/gen_ci.hs
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/0682aed34baf0f7a4767d1d1571982851086f7dc...133d0fe37a8775646845b6ced809af6598432225
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/0682aed34baf0f7a4767d1d1571982851086f7dc...133d0fe37a8775646845b6ced809af6598432225
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