[PATCH] D96413: [DAG] Move basic USUBSAT pattern matches from X86 to DAGCombine

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 12 02:28:19 PST 2021


RKSimon updated this revision to Diff 323273.
RKSimon added a comment.

Use SelectionDAG::MaskedValueIsZero


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96413/new/

https://reviews.llvm.org/D96413

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/AArch64/usub_sat.ll
  llvm/test/CodeGen/AArch64/usub_sat_plus.ll
  llvm/test/CodeGen/AMDGPU/usubsat.ll
  llvm/test/CodeGen/ARM/usub_sat.ll
  llvm/test/CodeGen/X86/psubus.ll
  llvm/test/CodeGen/X86/usub_sat.ll

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