Differential Revision: https://reviews.llvm.org/D23891
llvm-svn: 285330
// 4rd priority is partial unrolling.
// Try partial unroll only when TripCount could be staticaly calculated.
if (TripCount) {
- if (UP.Count == 0)
- UP.Count = TripCount;
UP.Partial |= ExplicitUnroll;
if (!UP.Partial) {
DEBUG(dbgs() << " will not try to unroll partially because "
UP.Count = 0;
return false;
}
+ if (UP.Count == 0)
+ UP.Count = TripCount;
if (UP.PartialThreshold != NoThreshold) {
// Reduce unroll count to be modulo of TripCount for partial unrolling.
UnrolledSize = (uint64_t)(LoopSize - BEInsns) * UP.Count + BEInsns;