[all-commits] [llvm/llvm-project] 75e528: [AMDGPU] Extend zero initialization of return valu...

[David Stuttard via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 75e528fdd9594ecb6fdb5d9e7bee1506f7e43be0
      https://github.com/llvm/llvm-project/commit/75e528fdd9594ecb6fdb5d9e7bee1506f7e43be0
  Author: David Stuttard <david.stuttard at amd.com>
  Date:   2024-03-25 (Mon, 25 Mar 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/lib/Target/AMDGPU/MIMGInstructions.td
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.h
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.load.format.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.ptr.buffer.load.format.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.image.msaa.load.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.buffer.load.format.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.ptr.buffer.load.format.ll

  Log Message:
  -----------
  [AMDGPU] Extend zero initialization of return values for TFE (#85759)

buffer_load instructions that use TFE also need to zero initialize
return values similar to how the image instructions currently work. Add
support for this with standard zero init of all results + zero init of
just TFE flag when enable-prt-strict-null subtarget feature is disabled.



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