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Commit 7078993f authored by Nikita Popov's avatar Nikita Popov
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[IndVars] Check expansion safety during LFTR 

Check isSafeToExpand() before expanding the exit count. Otherwise
we may incorrectly speculate a udiv.

Fixes https://github.com/llvm/llvm-project/issues/66986.
parent 24161bcc
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