[PATCH] D73501: [SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 30 14:13:37 PST 2020


lebedev.ri updated this revision to Diff 241580.
lebedev.ri retitled this revision from "[SCEV] SCEVExpander::isHighCostExpansion(): perform actual cost-modelling (PR44668)" to "[SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)".
lebedev.ri edited the summary of this revision.
lebedev.ri added a comment.

Okay, here it goes, patch splitting complete :)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73501/new/

https://reviews.llvm.org/D73501

Files:
  llvm/lib/Transforms/Utils/LoopUtils.cpp
  llvm/test/Transforms/IndVarSimplify/dont-recompute.ll
  llvm/test/Transforms/IndVarSimplify/elim-extend.ll
  llvm/test/Transforms/IndVarSimplify/lrev-existing-umin.ll
  llvm/test/Transforms/IndVarSimplify/pr28705.ll
  llvm/test/Transforms/IndVarSimplify/pr39673.ll

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