[PATCH] D153023: AMDGPU: Correctly lower llvm.log.f32 and llvm.log10.f32

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: AMDGPU, foad, jhuber6, rampitec, Pierre-vh, cdevadas.
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arsenm requested review of this revision.
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Previously we expanded these in a fast-math way and the device
libraries were relying on this behavior. The libraries have a pending
change to switch to the new target intrinsic.


https://reviews.llvm.org/D153023

Files:
  llvm/docs/AMDGPUUsage.rst
  llvm/docs/LangRef.rst
  llvm/docs/ReleaseNotes.rst
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
  llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
  llvm/lib/Target/AMDGPU/GCNSubtarget.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-flog10.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fpow.mir
  llvm/test/CodeGen/AMDGPU/llvm.log.ll
  llvm/test/CodeGen/AMDGPU/llvm.log10.ll