[all-commits] [llvm/llvm-project] cc947e: [GlobalISel] Combine shr(shl x, c1), c2 to G_SBFX/...

[Dominik Montada via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cc947e29ea0afa6efa506ffbf74115879be64c6d
      https://github.com/llvm/llvm-project/commit/cc947e29ea0afa6efa506ffbf74115879be64c6d
  Author: Dominik Montada <dominik.montada at hightec-rt.com>
  Date:   2021-08-05 (Thu, 05 Aug 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
    M llvm/include/llvm/Target/GlobalISel/Combine.td
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    A llvm/test/CodeGen/AArch64/GlobalISel/form-bitfield-extract-from-shr.mir
    M llvm/test/CodeGen/AArch64/arm64-rev.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ubfe.ll

  Log Message:
  -----------
  [GlobalISel] Combine shr(shl x, c1), c2 to G_SBFX/G_UBFX

Reviewed By: foad

Differential Revision: https://reviews.llvm.org/D107330