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-rw-r--r--llvm/lib/IR/ConstantFold.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp
index 2566617..f84fe79 100644
--- a/llvm/lib/IR/ConstantFold.cpp
+++ b/llvm/lib/IR/ConstantFold.cpp
@@ -2053,6 +2053,10 @@ Constant *llvm::ConstantFoldGetElementPtr(Type *PointeeTy, Constant *C,
if (!C->getType()->getScalarType()->isOpaquePointerTy() && Idxs.size() != 1)
return false;
+ // Avoid losing inrange information.
+ if (InRangeIndex)
+ return false;
+
return all_of(Idxs, [](Value *Idx) {
Constant *IdxC = cast<Constant>(Idx);
return IdxC->isNullValue() || isa<UndefValue>(IdxC);