[Git][ghc/ghc][wip/marge_bot_batch_merge_job] 15 commits: InfoTableProv: ShortText --> ShortByteString
Marge Bot (@marge-bot)
gitlab at gitlab.haskell.org
Tue Jan 31 18:40:53 UTC 2023
Marge Bot pushed to branch wip/marge_bot_batch_merge_job at Glasgow Haskell Compiler / GHC
Commits:
19c1fbcd by doyougnu at 2023-01-31T13:08:03-05:00
InfoTableProv: ShortText --> ShortByteString
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765fab98 by doyougnu at 2023-01-31T13:08:03-05:00
FastString: add fastStringToShorText
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a83c810d by Simon Peyton Jones at 2023-01-31T13:08:38-05:00
Improve exprOkForSpeculation for classops
This patch fixes #22745 and #15205, which are about GHC's
failure to discard unnecessary superclass selections that
yield coercions. See
GHC.Core.Utils Note [exprOkForSpeculation and type classes]
The main changes are:
* Write new Note [NON-BOTTOM_DICTS invariant] in GHC.Core, and
refer to it
* Define new function isTerminatingType, to identify those
guaranteed-terminating dictionary types.
* exprOkForSpeculation has a new (very simple) case for ClassOpId
* ClassOpId has a new field that says if the return type is
an unlifted type, or a terminating type.
This was surprisingly tricky to get right. In particular note
that unlifted types are not terminating types; you can write an
expression of unlifted type, that diverges. Not so for dictionaries
(or, more precisely, for the dictionaries that GHC constructs).
Metric Decrease:
LargeRecord
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f83374f8 by Krzysztof Gogolewski at 2023-01-31T13:09:14-05:00
Support "unusable UNPACK pragma" warning with -O0
Fixes #11270
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a2d814dc by Ben Gamari at 2023-01-31T13:09:50-05:00
configure: Always create the VERSION file
Teach the `configure` script to create the `VERSION` file.
This will serve as the stable interface to allow the user to determine
the version number of a working tree.
Fixes #22322.
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423a9c1a by sheaf at 2023-01-31T13:40:43-05:00
Cmm: track the type of global registers
This patch tracks the type of Cmm global registers. This is needed
in order to lint uses of polymorphic registers, such as SIMD vector
registers that can be used both for floating-point and integer values.
This changes allows us to refactor VanillaReg to not store VGcPtr,
as that information is instead stored in the type of the usage of the
register.
Fixes #22297
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051e4387 by sheaf at 2023-01-31T13:40:43-05:00
Revert "Cmm Lint: relax SIMD register assignment check"
This reverts commit 3be48877, which weakened a Cmm Lint check involving
SIMD vectors. Now that we keep track of the type a global register is
used at, we can restore the original stronger check.
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f284cd91 by Ben Gamari at 2023-01-31T13:40:43-05:00
nativeGen/AArch64: Fix debugging output
Previously various panics would rely on a half-written Show
instance, leading to very unhelpful errors. Fix this.
See #22798.
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7657efd9 by Ben Gamari at 2023-01-31T13:40:44-05:00
nativeGen: Teach graph-colouring allocator that x18 is unusable
Previously trivColourable for AArch64 claimed that at 18 registers were
trivially-colourable. This is incorrect as x18 is reserved by the platform on
AArch64/Darwin.
See #22798.
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2d240284 by Ben Gamari at 2023-01-31T13:40:44-05:00
nativeGen/AArch64: Fix graph-colouring allocator
Previously various `Instr` queries used by the graph-colouring allocator
failed to handle a few pseudo-instructions. This manifested in compiler
panicks while compiling `SHA`, which uses `-fregs-graph`.
Fixes #22798.
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42815c75 by Ben Gamari at 2023-01-31T13:40:44-05:00
testsuite: Add regression test for #22798
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7c774666 by Ben Gamari at 2023-01-31T13:40:44-05:00
Revert "Hadrian: fix doc generation"
This is too large of a hammer.
This reverts commit 5640cb1d84d3cce4ce0a9e90d29b2b20d2b38c2f.
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7635b644 by Ben Gamari at 2023-01-31T13:40:44-05:00
hadrian: Sphinx docs require templated cabal files
The package-version discovery logic in
`doc/users_guide/package_versions.py` uses packages' cabal files to
determine package versions. Teach Sphinx about these dependencies in
cases where the cabal files are generated by templates.
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61475692 by Ben Gamari at 2023-01-31T13:40:44-05:00
hadrian: Refactor templating logic
This refactors Hadrian's autoconf-style templating logic to be explicit
about which interpolation variables should be substituted in which
files. This clears the way to fix #22714 without incurring rule cycles.
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812078df by Ben Gamari at 2023-01-31T13:40:44-05:00
hadrian: Substitute LIBRARY_*_VERSION variables
This teaches Hadrian to substitute the `LIBRARY_*_VERSION` variables
in `libraries/prologue.txt`, fixing #22714.
Fixes #22714.
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30 changed files:
- .gitlab-ci.yml
- compiler/CodeGen.Platform.h
- compiler/GHC/Cmm/CallConv.hs
- compiler/GHC/Cmm/DebugBlock.hs
- compiler/GHC/Cmm/Expr.hs
- compiler/GHC/Cmm/Graph.hs
- compiler/GHC/Cmm/LayoutStack.hs
- compiler/GHC/Cmm/Lexer.x
- compiler/GHC/Cmm/Lint.hs
- compiler/GHC/Cmm/Node.hs
- compiler/GHC/Cmm/Opt.hs
- compiler/GHC/Cmm/Parser.y
- compiler/GHC/Cmm/Reg.hs
- compiler/GHC/Cmm/Sink.hs
- compiler/GHC/Cmm/ThreadSanitizer.hs
- compiler/GHC/Cmm/Type.hs
- compiler/GHC/Cmm/Utils.hs
- compiler/GHC/CmmToAsm.hs
- compiler/GHC/CmmToAsm/AArch64/CodeGen.hs
- compiler/GHC/CmmToAsm/AArch64/Instr.hs
- compiler/GHC/CmmToAsm/Dwarf.hs
- compiler/GHC/CmmToAsm/Dwarf/Types.hs
- compiler/GHC/CmmToAsm/PIC.hs
- compiler/GHC/CmmToAsm/PPC/CodeGen.hs
- compiler/GHC/CmmToAsm/Reg/Graph/TrivColorable.hs
- compiler/GHC/CmmToAsm/Wasm/FromCmm.hs
- compiler/GHC/CmmToAsm/X86/CodeGen.hs
- compiler/GHC/CmmToC.hs
- compiler/GHC/CmmToLlvm/Base.hs
- compiler/GHC/CmmToLlvm/CodeGen.hs
The diff was not included because it is too large.
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/cb642892dc2d6c0b406c9e6df79c51f438ceabb9...812078df352a260a2ce4ea950e362c8637a5c3b9
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/cb642892dc2d6c0b406c9e6df79c51f438ceabb9...812078df352a260a2ce4ea950e362c8637a5c3b9
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