[PATCH] D112085: [DAGCombiner] fold bit-hack form of usubsat

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 381234.
spatel added a comment.

Rebased after D112138 <https://reviews.llvm.org/D112138> / 40163f1df8c60f987e8adc0 <https://reviews.llvm.org/rG40163f1df8c60f987e8adc0cb78edb289f73b771> - known x86 regressions are now avoided with enhanced custom lowering.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112085/new/

https://reviews.llvm.org/D112085

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AMDGPU/usubsat.ll
  llvm/test/CodeGen/X86/psubus.ll

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