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* gitlab-ci: Introduce no_tntc jobwip/refactor-srt-encodingBen Gamari2021-09-241-0/+8
| | | | A manual job for testing the non-tables-next-to-code configuration.
* rts: Refactor SRT representation selectionBen Gamari2021-09-244-37/+72
| | | | | | The goal here is to make the SRT selection logic a bit clearer and allow configurations which we currently don't support (e.g. using a full word in the info table even when TNTC is used).
* Constant-folding for timesInt2# (#20374)Sylvain Henry2021-09-234-0/+94
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* testsuite: Ensure that C++11 is used in T20199Ben Gamari2021-09-231-1/+1
| | | | Otherwise we are dependent upon the C++ compiler's default language.
* gitlab-ci: Unset MACOSX_DEPLOYMENT_TARGET in stage0 buildBen Gamari2021-09-231-0/+3
| | | | | Otherwise we may get warnings from the toolchain if the bootstrap compiler was built with a different deployment target.
* rts: Ensure that headers don't refer to undefined __STDC_VERSION__Ben Gamari2021-09-231-0/+6
| | | | | | | | | Previously the C/C++ language version check in STG could throw an undefined macro warning due to __STDC_VERSION__ when compiled with a C++ compiler. Fix this by defining __STDC_VERSION__==0 when compiling with a C++ compiler. Fixes #20394.
* testsuite: Fix gnu sed-ismBen Gamari2021-09-232-2/+2
| | | | | The BSD sed implementation doesn't allow `sed -i COMMAND FILE`; one must rather use `sed -i -e COMMAND FILE`.
* testsuite: Don't use cc directly in section_alignment testBen Gamari2021-09-231-1/+1
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* testsuite: Make unsigned_reloc_macho_x64 and section_alignment makefile_testsBen Gamari2021-09-231-2/+2
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* testsuite: Fix ipeMapBen Gamari2021-09-231-0/+1
| | | | ipeMap.c failed to #include <string.h>
* testsuite: Pass CFLAGS to hsc2hs testsBen Gamari2021-09-234-10/+19
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* configure: Clarify meaning of CabalHaveLibffiBen Gamari2021-09-233-7/+3
| | | | | Previously the meaning of this flag was unclear and as a result I suspect that CabalHaveLibffi could be incorrectly False.
* configure: Fix copy/paste errorBen Gamari2021-09-231-1/+1
| | | | | | Previously both the --with-system-libffi path and the non--with-system-libffi path set CabalUseSystemLibFFI=True. This was wrong.
* hadrian: Pass CFLAGS to gmp configureGHC GitLab CI2021-09-231-0/+4
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* gitlab-ci: bash fixesBen Gamari2021-09-231-3/+3
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* Ensure that cabal update is invoked before buildingBen Gamari2021-09-231-2/+7
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* gitlab-ci: Use correct CABAL executableBen Gamari2021-09-231-1/+1
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* gitlab-ci: Ensure that CABAL_DIR is a Windows pathBen Gamari2021-09-231-2/+8
| | | | Otherwise cabal-install falls over.
* ci: Add version to cache keyBen Gamari2021-09-231-20/+21
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* configure: Add check for whether CC supports --targetBen Gamari2021-09-233-1/+42
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* configure: Move nm search logic to new fileBen Gamari2021-09-232-33/+41
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* ci: More surgical use of nix in Darwin buildsBen Gamari2021-09-236-164/+337
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* ci: Move phase timing logic into ci.shBen Gamari2021-09-232-101/+33
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* ci: Isolate build from HOMEBen Gamari2021-09-232-15/+25
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* ci: Consolidate handling of cabal cacheBen Gamari2021-09-232-10/+24
| | | | | | Previously the cache persistence was implemented as various ad-hoc `cp` commands at the end of the individual CI scripts. Here we move all of this logic into `ci.sh`.
* ci: Drop redundant `cabal update`sBen Gamari2021-09-232-5/+2
| | | | `cabal update` is already implied by `ci.sh setup`.
* Use Info Table Provenances to decode cloned stack (#18163)Sven Tennie2021-09-2340-205/+886
| | | | | | | | | | | | | | | | Emit an Info Table Provenance Entry (IPE) for every stack represeted info table if -finfo-table-map is turned on. To decode a cloned stack, lookupIPE() is used. It provides a mapping between info tables and their source location. Please see these notes for details: - [Stacktraces from Info Table Provenance Entries (IPE based stack unwinding)] - [Mapping Info Tables to Source Positions] Metric Increase: T12545
* Introduce stack snapshotting / cloning (#18741)Sven Tennie2021-09-2324-28/+650
| | | | | | | | | | | | | | Add `StackSnapshot#` primitive type that represents a cloned stack (StgStack). The cloning interface consists of two functions, that clone either the treads own stack (cloneMyStack) or another threads stack (cloneThreadStack). The stack snapshot is offline/cold, i.e. it isn't evaluated any further. This is useful for analyses as it prevents concurrent modifications. For technical details, please see Note [Stack Cloning]. Co-authored-by: Ben Gamari <bgamari.foss@gmail.com> Co-authored-by: Matthew Pickering <matthewtpickering@gmail.com>
* base: Generalize newStablePtrPrimMVarSven Tennie2021-09-231-2/+2
| | | | | Make it polymorphic in the type of the MVar's value. This simple generalization makes it usable for `MVar a` instead of only `MVar ()` values.
* deriveConstants: Add hie.yamlSven Tennie2021-09-231-0/+1
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* Typo [skip ci]wip/typo-cgMatthew Pickering2021-09-231-1/+1
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* Remove unused, undocumented debug/dump flag `-ddump-vt-trace`. See 20403.Benjamin Maurer2021-09-223-5/+0
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* Fix minor inconsistency in documentationalirezaghey2021-09-221-2/+2
| | | | fixes #20388
* Link with libm dynamically (#19877)Sylvain Henry2021-09-2211-10/+26
| | | | The compiler should be independent of the target.
* Convert Diagnostics in GHC.Tc.Gen.* (Part 2)Aaron Allen2021-09-224-114/+330
| | | | | | Converts diagnostics in: (#20116) - GHC.Tc.Gen.Default - GHC.Tc.Gen.Export
* Clarify that malloc, free etc. are the ones from stdlib.hOleg Grenrus2021-09-221-0/+5
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* hadrian: Disable verbose timing informationMatthew Pickering2021-09-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Before the output contain a lot of verbose information about timining various things to do with shake which wasn't so useful for developers. ``` shakeArgsWith 0.000s 0% Function shake 0.010s 0% Database read 0.323s 12% === With database 0.031s 1% Running rules 2.301s 86% ========================= Pool finished (1786 threads, 5 max) 0.003s 0% Cleanup 0.000s 0% Total 2.669s 100% Build completed in 2.67s ``` Now the output just contains the last line ``` Build completed in 2.67s ``` Ticket #20381
* users-guide: Improve documentation of ticky eventsBen Gamari2021-09-183-1/+13
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* deriving: Always use module prefix in dataTypeNameMatthew Pickering2021-09-187-51/+81
| | | | | | | | | | | This fixes a long standard bug where the module prefix was omitted from the data type name supplied by Data.Typeable instances. Instead of reusing the Outputable instance for TyCon, we now take matters into our own hands and explicitly print the module followed by the type constructor name. Fixes #20371
* docs: Fix examples for (un)escapeArgsMatthew Pickering2021-09-181-2/+2
| | | | | | | | | The examples were just missing the surrounding brackets. ghci> escapeArgs ["hello \"world\""] "hello\\ \\\"world\\\"\n" Fixes #20340
* Fix formatting of link in base/Type.ReflectionJoaquin "Florius" Azcarate2021-09-181-2/+1
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* CoreUtils: Make exprIsHNF return True for unlifted variables (#20140)Sebastian Graf2021-09-181-0/+2
| | | | | | Clearly, evaluating an unlifted variable will never perform any work. Fixes #20140.
* WorkWrap: Update Note [Wrapper activation] (#15056)Sebastian Graf2021-09-183-25/+33
| | | | | | | | | | | The last point of the Conclusion was wrong; we inline functions without pragmas after the initial phase. It also appears that #15056 was fixed, as there already is a test T15056 which properly does foldr/build fusion for the reproducer. I made sure that T15056's `foo` is just large enough for WW to happen (which it wasn't), but for the worker to be small enough to inline into `blam`. Fixes #15056.
* Add more instances for SoloDavid Feuer2021-09-187-5/+42
| | | | | | | | | Oleg Grenrus pointed out that `Solo` was missing `Eq`, `Ord`, `Bounded`, `Enum`, and `Ix` instances, which were all apparently available for the `OneTuple` type (in the `OneTuple` package). Though only the first three really seem useful, there's no reason not to take them all. For `Ix`, `Solo` naturally fills a gap between `()` and `(,)`.
* Testsuite: Mark T12903 as fragile on i386Matthew Pickering2021-09-171-0/+1
| | | | Closes #20377
* Constant folding for ctz/clz/popCnt (#20376)Sylvain Henry2021-09-174-0/+142
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* Use an ADT for RecompReasonSylvain Henry2021-09-175-57/+116
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* Refactor module dependencies codeSylvain Henry2021-09-1715-196/+216
| | | | | | * moved deps related code into GHC.Unit.Module.Deps * refactored Deps module to not export Dependencies constructor to help maintaining invariants
* Fix annoying warning about Data.List unqualified importSylvain Henry2021-09-171-1/+1
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* Code Gen: Rewrite shortcutWeightMap more efficientlyMatthew Pickering2021-09-171-33/+53
| | | | | | | | | | | | This function was one of the main sources of allocation in a ticky profile due to how it repeatedly deleted nodes from a large map. Now firstly the cuts are normalised, so that chains of cuts are elimated before any rewrites are applied. Then the CFG is traversed and reconstructed once whilst applying the necessary rewrites to remove shortcutted edges (based on the normalised cuts). Ticket: #19471
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