[all-commits] [llvm/llvm-project] 1d1cc0: AMDGPU: mbcnt allow for non-zero src1 for known-bits

[David Stuttard via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1d1cc05539e275ae7666fc4b44bf725ec335078a
      https://github.com/llvm/llvm-project/commit/1d1cc05539e275ae7666fc4b44bf725ec335078a
  Author: David Stuttard <david.stuttard at amd.com>
  Date:   2022-08-11 (Thu, 11 Aug 2022)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mbcnt.ll

  Log Message:
  -----------
  AMDGPU: mbcnt allow for non-zero src1 for known-bits

Src1 for mbcnt can be a non-zero literal or register. Take this into account
when calculating known bits.

Differential Revision: https://reviews.llvm.org/D131478