[all-commits] [llvm/llvm-project] 4b2d70: [AMDGPU] Basic implementation of isExtractSubvecto...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4b2d70fa5b318b0523a592b8339382e2aaa5186d
      https://github.com/llvm/llvm-project/commit/4b2d70fa5b318b0523a592b8339382e2aaa5186d
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2022-06-10 (Fri, 10 Jun 2022)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.h

  Log Message:
  -----------
  [AMDGPU] Basic implementation of isExtractSubvectorCheap

Add a basic implementation of isExtractSubvectorCheap that only
considers extracts at offset 0.

Differential Revision: https://reviews.llvm.org/D127385