[PATCH] D96703: [DAG] foldSubToUSubSat - fold sub(a,trunc(umin(zext(a),b))) -> usubsat(a,trunc(umin(b,SatLimit)))

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Feb 20 04:02:35 PST 2021


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG761bbed264f7: [DAG] foldSubToUSubSat - fold sub(a,trunc(umin(zext(a),b))) -> usubsat(a,trunc… (authored by RKSimon).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96703/new/

https://reviews.llvm.org/D96703

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/psubus.ll

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