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-rw-r--r--contrib/llvm/lib/Transforms/Utils/LoopUtils.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/LoopUtils.cpp b/contrib/llvm/lib/Transforms/Utils/LoopUtils.cpp
index a5890c0..5f25e6b 100644
--- a/contrib/llvm/lib/Transforms/Utils/LoopUtils.cpp
+++ b/contrib/llvm/lib/Transforms/Utils/LoopUtils.cpp
@@ -491,6 +491,9 @@ bool llvm::isInductionPHI(PHINode *Phi, ScalarEvolution *SE,
const DataLayout &DL = Phi->getModule()->getDataLayout();
int64_t Size = static_cast<int64_t>(DL.getTypeAllocSize(PointerElementType));
+ if (!Size)
+ return false;
+
int64_t CVSize = CV->getSExtValue();
if (CVSize % Size)
return false;
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