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Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp')
-rw-r--r--llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 2bda9d8..802ae4e 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -1327,7 +1327,8 @@ tryToUnrollLoop(Loop *L, DominatorTree &DT, LoopInfo *LI, ScalarEvolution &SE,
}
// Do not attempt partial/runtime unrolling in FullLoopUnrolling
- if (OnlyFullUnroll && (UP.Count < TripCount || UP.Count < MaxTripCount)) {
+ if (OnlyFullUnroll && ((!TripCount && !MaxTripCount) ||
+ UP.Count < TripCount || UP.Count < MaxTripCount)) {
LLVM_DEBUG(
dbgs() << "Not attempting partial/runtime unroll in FullLoopUnroll.\n");
return LoopUnrollResult::Unmodified;