[PATCH] D106745: [DAG] DAGCombiner::useDivRem - recognise sub(X,mul(div(X,Y),Y)) as a rem(X,Y)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 361455.
RKSimon added a comment.

rebase with additional negative tests


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106745/new/

https://reviews.llvm.org/D106745

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/div-rem-pair-recomposition-signed.ll
  llvm/test/CodeGen/X86/div-rem-pair-recomposition-unsigned.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D106745.361455.patch
Type: text/x-patch
Size: 15970 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210724/876abb6d/attachment.bin>