[all-commits] [llvm/llvm-project] dab1f7: AMDGPU: Emit 1/llvm.sqrt(x) instead of rsqrt calls...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dab1f7c8d3d7bf5021cdb96af74d533753ad2e23
      https://github.com/llvm/llvm-project/commit/dab1f7c8d3d7bf5021cdb96af74d533753ad2e23
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-05-21 (Tue, 21 May 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPULibCalls.cpp
    M llvm/test/CodeGen/AMDGPU/amdgpu-simplify-libcall-rootn.ll
    M llvm/test/CodeGen/AMDGPU/simplify-libcalls.ll

  Log Message:
  -----------
  AMDGPU: Emit 1/llvm.sqrt(x) instead of rsqrt calls in libcall handling (#92863)

With the contract flag we should end up codegening to the rsqrt
instruction, or denormal corrected rsqrt sequence present in the
library.



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