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Commit 50b8302c authored by Arnold Schwaighofer's avatar Arnold Schwaighofer
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LoopVectorizer: Don't if-convert constant expressions that can trap 

A phi node operand or an instruction operand could be a constant expression that
can trap (division). Check that we don't vectorize such cases.

PR16729
radar://15653590

llvm-svn: 197449
parent 769c04ea
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