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-rw-r--r--lib/Transforms/Scalar/LoopRotation.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopRotation.cpp b/lib/Transforms/Scalar/LoopRotation.cpp
index 7a60ad2..59aace9 100644
--- a/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/lib/Transforms/Scalar/LoopRotation.cpp
@@ -339,7 +339,8 @@ bool LoopRotate::rotateLoop(Loop *L) {
// memory (without proving that the loop doesn't write).
if (L->hasLoopInvariantOperands(Inst) &&
!Inst->mayReadFromMemory() && !Inst->mayWriteToMemory() &&
- !isa<TerminatorInst>(Inst) && !isa<DbgInfoIntrinsic>(Inst)) {
+ !isa<TerminatorInst>(Inst) && !isa<DbgInfoIntrinsic>(Inst) &&
+ !isa<AllocaInst>(Inst)) {
Inst->moveBefore(LoopEntryBranch);
continue;
}