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Commit 50a281a8 authored by Benjamin Kramer's avatar Benjamin Kramer
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While SimplifyDemandedBits constant folds this, we can't rely on it here. 

It's possible to craft an input that hits the recursion limits in a way
that SimplifyDemandedBits doesn't simplify the icmp but ComputeMaskedBits
can infer which bits are zero.

No test case as it depends on too many other things. Fixes PR9609.

llvm-svn: 128777
parent 1473c9a7
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