[all-commits] [llvm/llvm-project] c4076b: [AMDGPU][GlobalISel] Combine rcp(sqrt(x)) into rsq...

[Madhur Kumar via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c4076b002b072c73f781b191ae0ccc6c075df1d7
      https://github.com/llvm/llvm-project/commit/c4076b002b072c73f781b191ae0ccc6c075df1d7
  Author: Madhur Kumar <152476790+MadhurKumar004 at users.noreply.github.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUPostLegalizerCombiner.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/combine-rsq.mir
    M llvm/test/CodeGen/AMDGPU/fdiv_flags.f32.ll
    M llvm/test/CodeGen/AMDGPU/pseudo-scalar-transcendental.ll

  Log Message:
  -----------
  [AMDGPU][GlobalISel] Combine rcp(sqrt(x)) into rsq for pseudo-scalar instructions (#198785)

This fixes "TODO: GlobalISel should generate v_s_rsq." give in file
"llvm/test/CodeGen/AMDGPU/pseudo-scalar-transcendental.ll"



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