[PATCH] D65143: [InstCombine] Fold '(-1 u/ %x) u< %y' to '@llvm.umul.with.overflow' + overflow bit extraction

Phabricator via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 29 05:46:04 PDT 2019


This revision was automatically updated to reflect the committed changes.
Closed by commit rL370347: [InstCombine] Fold '(-1 u/ %x) u< %y' to '@llvm.umul.with.overflow' + overflow… (authored by lebedevri, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D65143?vs=217839&id=217850#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65143/new/

https://reviews.llvm.org/D65143

Files:
  llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp
  llvm/trunk/test/Transforms/InstCombine/unsigned-mul-lack-of-overflow-check-via-udiv-of-allones.ll
  llvm/trunk/test/Transforms/InstCombine/unsigned-mul-overflow-check-via-udiv-of-allones.ll
  llvm/trunk/test/Transforms/PhaseOrdering/unsigned-multiply-overflow-check.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D65143.217850.patch
Type: text/x-patch
Size: 13293 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190829/684b6f17/attachment.bin>


More information about the llvm-commits mailing list