[PATCH] D108910: [IndVars] Break backedge and replace PHIs if loop exits on 1st iteration

[Dmitry Makogon via Phabricator via llvm-commits]

dmakogon updated this revision to Diff 370160.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108910/new/

https://reviews.llvm.org/D108910

Files:
  llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
  llvm/test/Transforms/IndVarSimplify/eliminate-backedge.ll
  llvm/test/Transforms/IndVarSimplify/eliminate-exit-no-dl.ll
  llvm/test/Transforms/IndVarSimplify/floating-point-iv.ll

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