[all-commits] [llvm/llvm-project] 52cf94: [AMDGPU] Drop !noundef when widening sub-DWORD con...

[Arseniy Obolenskiy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 52cf94a82eabfe70d417c17a3ab38736ded4938b
      https://github.com/llvm/llvm-project/commit/52cf94a82eabfe70d417c17a3ab38736ded4938b
  Author: Arseniy Obolenskiy <arseniy.obolenskiy at amd.com>
  Date:   2026-06-03 (Wed, 03 Jun 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
    M llvm/lib/Target/AMDGPU/AMDGPULateCodeGenPrepare.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUMemoryUtils.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUMemoryUtils.h
    M llvm/test/CodeGen/AMDGPU/amdgpu-late-codegenprepare.ll
    M llvm/test/CodeGen/AMDGPU/widen_extending_scalar_loads.ll

  Log Message:
  -----------
  [AMDGPU] Drop !noundef when widening sub-DWORD constant loads (#201085)

The widened i32 load reads bytes outside the original sub-DWORD load, so
new op cannot claim !noundef



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