Sanjoy Das 11b279a832 Partial fix for bug 22589 ...

Don't spend the entire iteration space in the scalar loop prologue if
computing the trip count overflows.  This change also gets rid of the
backedge check in the prologue loop and the extra check for
overflowing trip-count.

Differential Revision: http://reviews.llvm.org/D7715

llvm-svn: 229731

2015-02-18 19:32:25 +00:00

1.2 KiB

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