[all-commits] [llvm/llvm-project] 808b9e: [GlobalISel] Combine sext(load), zext(load) patter...

[KRM7 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 808b9e58c651486eee2e297b8814de90254082a2
      https://github.com/llvm/llvm-project/commit/808b9e58c651486eee2e297b8814de90254082a2
  Author: KRM7 <rugasikrisztian at gmail.com>
  Date:   2026-06-04 (Thu, 04 Jun 2026)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/prelegalizer-combiner-load-and-mask.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-sextload-from-sextinreg.mir
    M llvm/test/CodeGen/AMDGPU/ctlz.ll
    M llvm/test/CodeGen/AMDGPU/ctlz_zero_poison.ll
    M llvm/test/CodeGen/AMDGPU/cttz.ll
    M llvm/test/CodeGen/AMDGPU/cttz_zero_poison.ll

  Log Message:
  -----------
  [GlobalISel] Combine sext(load), zext(load) patterns when the load has multiple uses (#182831)

Extend the existing combiners for sext(load), zext(load) patterns to also work when the load has multiple uses.



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