[all-commits] [llvm/llvm-project] 124090: AMDGPU/GlobalISel: Handle atomic sextload and zext...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 12409024d35e14b91cb9e5eb1337cc76f8ea0b97
      https://github.com/llvm/llvm-project/commit/12409024d35e14b91cb9e5eb1337cc76f8ea0b97
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-10-31 (Thu, 31 Oct 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUGISel.td
    M llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/lib/Target/AMDGPU/DSInstructions.td
    M llvm/lib/Target/AMDGPU/FLATInstructions.td
    M llvm/lib/Target/AMDGPU/SIInstrInfo.td
    A llvm/test/CodeGen/AMDGPU/GlobalISel/atomic_load_flat.ll
    A llvm/test/CodeGen/AMDGPU/GlobalISel/atomic_load_global.ll
    A llvm/test/CodeGen/AMDGPU/GlobalISel/atomic_load_local_2.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Handle atomic sextload and zextload (#111721)

Atomic loads are handled differently from the DAG, and have separate opcodes
and explicit control over the extensions, like ordinary loads. Add
new patterns for these.

There's room for cleanup and improvement. d16 cases aren't handled.

Fixes #111645



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