[PATCH] D155740: AMDGPU: Refactor AMDGPUCodeGenPrepare fdiv handling

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
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NFC-ish. Does trigger some reordering of the fdiv scalarization. Also
skips scalarizing in more cases where nothing was going to happen. We
can still scalarize in some no-op edge cases.


https://reviews.llvm.org/D155740

Files:
  llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp
  llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fdiv.ll
  llvm/test/CodeGen/AMDGPU/fdiv.ll

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