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-rw-r--r--llvm/lib/Transforms/Scalar/LoopRotation.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopRotation.cpp b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
index 4498e1db521..32d2caa78da 100644
--- a/llvm/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
@@ -326,6 +326,10 @@ bool LoopRotate::rotateLoop(Loop *L, bool SimplifiedLatch) {
// Otherwise, stick the new instruction into the new block!
C->setName(Inst->getName());
C->insertBefore(LoopEntryBranch);
+
+ if (auto *II = dyn_cast<IntrinsicInst>(C))
+ if (II->getIntrinsicID() == Intrinsic::assume)
+ AC->registerAssumption(II);
}
}
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