[Git][ghc/ghc][wip/T24634-oneshot-bytecode] 5 commits: Transform some StgRhsClosure into StgRhsCon after unarisation (#25166)

[Torsten Schmits (@torsten.schmits)]

Torsten Schmits pushed to branch wip/T24634-oneshot-bytecode at Glasgow Haskell Compiler / GHC


Commits:
5456e02e by Sylvain Henry at 2024-09-06T11:57:01+02:00
Transform some StgRhsClosure into StgRhsCon after unarisation (#25166)

Before unarisation we may have code like:

  Test.foo :: Test.D
  [GblId, Unf=OtherCon []] =
      \u []
          case (# |_| #) [GHC.Types.(##)] of sat_sAw [Occ=Once1] {
          __DEFAULT -> Test.D [GHC.Types.True sat_sAw];
          };

After unarisation we get:

  Test.foo :: Test.D
  [GblId, Unf=OtherCon []] =
      {} \u [] Test.D [GHC.Types.True 2#];

Notice that it's still an Updatable closure for no reason anymore. This
patch transforms appropriate StgRhsClosures into StgRhsCons after
unarisation, allowing these closures to be statically allocated. Now we
get the expected:

  Test.foo :: Test.D
  [GblId, Unf=OtherCon []] =
      Test.D! [GHC.Types.True 2#];

Fix #25166

To avoid duplicating code, this patch refactors the mk(Top)StgRhs
functions and put them in a GHC.Stg.Make module alongside the new
mk(Top)StgRhsCon_maybe functions.

- - - - -
958b4518 by Hécate Kleidukos at 2024-09-06T16:40:56-04:00
haddock: Add missing requirements.txt for the online manual

- - - - -
573f9833 by Sven Tennie at 2024-09-08T09:58:21+00:00
AArch64: Implement takeRegRegMoveInstr

This has likely been forgotten.

- - - - -
20b0de7d by Hécate Kleidukos at 2024-09-08T14:19:28-04:00
haddock: Configuration fix for ReadTheDocs

- - - - -
6c1a78cb by Cheng Shao at 2024-09-09T14:40:23+02:00
Link bytecode from interface-stored core bindings in oneshot mode

!13042

Part of #T25090

If the flag `-fprefer-byte-code` is given when compiling a module
containing TH, GHC will use Core bindings stored in interfaces to
compile and link bytecode for splices.

This was only implemented for `--make` mode initially, so this commit
adds the same mechanism to oneshot mode (`-c`).

Metric Decrease:
    MultiLayerModules
    T13701

- - - - -


30 changed files:

- compiler/GHC/CmmToAsm/AArch64/Instr.hs
- compiler/GHC/CoreToIface.hs
- compiler/GHC/CoreToStg.hs
- compiler/GHC/Driver/CodeOutput.hs
- compiler/GHC/Driver/Config/Stg/Pipeline.hs
- compiler/GHC/Driver/Main.hs
- + compiler/GHC/Driver/Main.hs-boot
- compiler/GHC/Driver/Make.hs
- compiler/GHC/Iface/Load.hs
- compiler/GHC/IfaceToCore.hs
- compiler/GHC/Linker/Deps.hs
- compiler/GHC/Linker/Loader.hs
- + compiler/GHC/Stg/Make.hs
- compiler/GHC/Stg/Pipeline.hs
- compiler/GHC/Stg/Stats.hs
- compiler/GHC/Stg/Syntax.hs
- compiler/GHC/Stg/Unarise.hs
- compiler/GHC/Stg/Utils.hs
- compiler/GHC/StgToCmm/DataCon.hs
- compiler/GHC/Types/CostCentre.hs
- compiler/GHC/Unit/External.hs
- compiler/GHC/Unit/Module/WholeCoreBindings.hs
- compiler/ghc.cabal.in
- + testsuite/tests/bytecode/T25090/A.hs
- + testsuite/tests/bytecode/T25090/B.hs
- + testsuite/tests/bytecode/T25090/C.hs
- + testsuite/tests/bytecode/T25090/C.hs-boot
- + testsuite/tests/bytecode/T25090/D.hs
- + testsuite/tests/bytecode/T25090/Makefile
- + testsuite/tests/bytecode/T25090/T25090-debug.stderr


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/2088616d47d89831851c54d36917137ba949fcf9...6c1a78cb43b63e7d9a21a04fb0530baf59de10c3

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/2088616d47d89831851c54d36917137ba949fcf9...6c1a78cb43b63e7d9a21a04fb0530baf59de10c3
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