[PATCH] D92207: [IndVars] ICmpInst should not prevent IV widening

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev created this revision.
mkazantsev added reviewers: skatkov, fhahn, lebedev.ri, nikic, asbirlea.
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If we decided to widen IV with zext, then unsigned comparisons
should not prevent widening (same for sext/sign comparisons).
The result of comparison in wider type does not change in this case.


https://reviews.llvm.org/D92207

Files:
  llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
  llvm/test/Transforms/IndVarSimplify/widen-loop-comp.ll

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