[all-commits] [llvm/llvm-project] fdc902: [DAG][AMDGPU][X86] Add SimplifyMultipleUseDemanded...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: fdc902774e7ae0dae0833216500da047c7c4bec6
      https://github.com/llvm/llvm-project/commit/fdc902774e7ae0dae0833216500da047c7c4bec6
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-07-29 (Wed, 29 Jul 2020)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/test/CodeGen/AMDGPU/bswap.ll
    M llvm/test/CodeGen/AMDGPU/fshr.ll
    M llvm/test/CodeGen/AMDGPU/idot8s.ll
    M llvm/test/CodeGen/AMDGPU/idot8u.ll
    M llvm/test/CodeGen/AMDGPU/saddsat.ll
    M llvm/test/CodeGen/AMDGPU/ssubsat.ll
    M llvm/test/CodeGen/AMDGPU/uaddsat.ll
    M llvm/test/CodeGen/AMDGPU/usubsat.ll
    M llvm/test/CodeGen/X86/vector-fshl-128.ll
    M llvm/test/CodeGen/X86/vector-fshr-128.ll

  Log Message:
  -----------
  [DAG][AMDGPU][X86] Add SimplifyMultipleUseDemandedBits handling for SIGN/ZERO_EXTEND + SIGN/ZERO_EXTEND_VECTOR_INREG

Peek through multiple use ops like we already do for ANY_EXTEND/ANY_EXTEND_VECTOR_INREG

Differential Revision: https://reviews.llvm.org/D84863