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Commit 022cc6c4 authored by Alexey Bataev's avatar Alexey Bataev
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[SLP] Fix crash on propagate IR flags for undef operands of min/max 

reductions.

If both operands of the newly created SelectInst are Undefs the
resulting operation is also Undef, not SelectInst. It may cause crashes
when trying to propagate IR flags because function expects exactly
SelectInst instruction, nothing else.

llvm-svn: 314323
parent a2eacb3b
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