[all-commits] [llvm/llvm-project] 391a71: AMDGPU/GlobalISel: Add waterfall lowering in regba...

[Petar Avramovic via All-commits]

  Branch: refs/heads/users/petar-avramovic/rbl-waterfall
  Home:   https://github.com/llvm/llvm-project
  Commit: 391a7144d585f25bf07056eda8a2370cb6e8b866
      https://github.com/llvm/llvm-project/commit/391a7144d585f25bf07056eda8a2370cb6e8b866
  Author: Petar Avramovic <Petar.Avramovic at amd.com>
  Date:   2025-07-23 (Wed, 23 Jul 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUGlobalISelUtils.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUGlobalISelUtils.h
    M llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeHelper.cpp
    M llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeHelper.h
    M llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeRules.cpp
    M llvm/lib/Target/AMDGPU/AMDGPURegBankLegalizeRules.h
    M llvm/test/CodeGen/AMDGPU/GlobalISel/buffer-schedule.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.make.buffer.rsrc.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.raw.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.raw.ptr.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.struct.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.struct.ptr.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.buffer.load-last-use.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.ptr.atomic.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.atomic.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.ptr.atomic.buffer.load.ll
    M llvm/test/CodeGen/AMDGPU/swizzle.bit.extract.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Add waterfall lowering in regbanklegalize

Add rules for G_AMDGPU_BUFFER_LOAD and implement waterfall lowering
for divergent operands that must be sgpr.



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