[PATCH] D97160: [DAGCombiner] Optimize SMULO/UMULO if we can prove that overflow is impossible.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Feb 24 11:00:22 PST 2021


craig.topper updated this revision to Diff 326147.
craig.topper added a comment.

Rebase


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D97160/new/

https://reviews.llvm.org/D97160

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AArch64/vec_umulo.ll
  llvm/test/CodeGen/RISCV/xaluo.ll
  llvm/test/CodeGen/X86/vec_smulo.ll
  llvm/test/CodeGen/X86/vec_umulo.ll

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