[all-commits] [llvm/llvm-project] 3aef52: [AMDGPU] Fix negative immediate offset for unbuffe...

[vangthao95 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3aef525aa4b9a5395b6ac4ae771e28e64b27a126
      https://github.com/llvm/llvm-project/commit/3aef525aa4b9a5395b6ac4ae771e28e64b27a126
  Author: vangthao95 <vang.thao at amd.com>
  Date:   2024-06-24 (Mon, 24 Jun 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
    M llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-constant.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/smrd.ll
    M llvm/test/CodeGen/AMDGPU/cgp-addressing-modes-smem.ll
    M llvm/test/CodeGen/AMDGPU/gfx12_scalar_subword_loads.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
    M llvm/test/CodeGen/AMDGPU/llvm.prefetch.ll
    M llvm/test/CodeGen/AMDGPU/smrd.ll

  Log Message:
  -----------
  [AMDGPU] Fix negative immediate offset for unbuffered smem loads (#89165)

For unbuffered smem loads, it is illegal for the immediate offset to be
negative if the resulting IOFFSET + (SGPR[Offset] or M0 or zero) is
negative.

New PR of https://github.com/llvm/llvm-project/pull/79553.



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