[all-commits] [llvm/llvm-project] ac6219: Revert "[DAGCombiner] fix comments for D138899; NFC"

[aeubanks via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ac6219d0aeb7e3d2cd17ca4961a51649f0a297b2
      https://github.com/llvm/llvm-project/commit/ac6219d0aeb7e3d2cd17ca4961a51649f0a297b2
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2023-02-13 (Mon, 13 Feb 2023)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

  Log Message:
  -----------
  Revert "[DAGCombiner] fix comments for D138899; NFC"

This reverts commit 63854f91d3ee1056796a5ef27753648396cac6ec.

Dependent commit to be reverted.


  Commit: 7c6b46e87eafbb5150659f16cb211e5d732372ff
      https://github.com/llvm/llvm-project/commit/7c6b46e87eafbb5150659f16cb211e5d732372ff
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2023-02-13 (Mon, 13 Feb 2023)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AMDGPU/ctpop16.ll
    M llvm/test/CodeGen/AMDGPU/load-constant-i16.ll
    M llvm/test/CodeGen/AMDGPU/load-global-i16.ll
    M llvm/test/CodeGen/AMDGPU/shl.ll
    M llvm/test/CodeGen/AMDGPU/sra.ll
    M llvm/test/CodeGen/Mips/o32_cc_byval.ll
    M llvm/test/CodeGen/PowerPC/aix-cc-byval.ll
    M llvm/test/CodeGen/PowerPC/byval-lhs.ll
    M llvm/test/CodeGen/PowerPC/ppc64-byval-larger-struct.ll
    M llvm/test/CodeGen/X86/fastcc-byval.ll

  Log Message:
  -----------
  Revert "[DAGCombiner] handle more store value forwarding"

This reverts commit f35a09daebd0a90daa536432e62a2476f708150d.

Causes miscompiles, see D138899


Compare: https://github.com/llvm/llvm-project/compare/b64f7d028bdc...7c6b46e87eaf