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-rw-r--r--lib/Analysis/ScalarEvolution.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index c53d1f5..3f26562 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1935,6 +1935,9 @@ SCEVHandle ScalarEvolution::createNodeForGEP(User *GEP) {
const Type *IntPtrTy = TD->getIntPtrType();
Value *Base = GEP->getOperand(0);
+ // Don't attempt to analyze GEPs over unsized objects.
+ if (!cast<PointerType>(Base->getType())->getElementType()->isSized())
+ return getUnknown(GEP);
SCEVHandle TotalOffset = getIntegerSCEV(0, IntPtrTy);
gep_type_iterator GTI = gep_type_begin(GEP);
for (GetElementPtrInst::op_iterator I = next(GEP->op_begin()),