Florian Hahn ac27758895 [LoopUnroll] Only peel if a predicate becomes known in the loop body. ...

If a predicate does not become known after peeling, peeling is unlikely
to be beneficial.

Reviewers: mcrosier, efriedma, mkazantsev, junbuml

Reviewed By: mkazantsev

Differential Revision: https://reviews.llvm.org/D44983

llvm-svn: 330250

2018-04-18 12:29:24 +00:00

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