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-rw-r--r--llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 2bc21292b13..4e161d612cf 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -914,7 +914,10 @@ Instruction *InstCombiner::foldGEPICmp(GEPOperator *GEPLHS, Value *RHS,
// In general, we're allowed to make values less poison (i.e. remove
// sources of full UB), so in this case, we just select between the two
// non-poison cases (1 and 4 above).
- return new ICmpInst(Cond, GEPLHS->getPointerOperand(), RHS);
+ auto *Base = GEPLHS->getPointerOperand();
+ return new ICmpInst(Cond, Base,
+ ConstantExpr::getBitCast(cast<Constant>(RHS),
+ Base->getType()));
} else if (GEPOperator *GEPRHS = dyn_cast<GEPOperator>(RHS)) {
// If the base pointers are different, but the indices are the same, just
// compare the base pointer.
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