tree 3bca3cca134e7c2e475597acfa0c79fc7be01ca5
parent d9500c2e230e9cc68d3d647864fa824cc3c06b3f
author Max Kazantsev <mkazantsev@azul.com> 1606384779 +0700
committer Max Kazantsev <mkazantsev@azul.com> 1606385318 +0700

[SCEV] Use isBasicBlockEntryGuardedByCond in isLoopBackedgeGuardedByCond

Previously we tried to using isKnownPredicateAt, but it makes an
extra query to isKnownPredicate, which has negative impact on compile
time. Let's try to use more lightweight isBasicBlockEntryGuardedByCond.

Differential Revision: https://reviews.llvm.org/D92152