diff options
Diffstat (limited to 'lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | lib/Transforms/Utils/Local.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp index a848e7461e..3998923dd1 100644 --- a/lib/Transforms/Utils/Local.cpp +++ b/lib/Transforms/Utils/Local.cpp @@ -273,7 +273,8 @@ Constant *llvm::ConstantFoldLoadThroughGEPConstantExpr(Constant *C, } } else if (ConstantInt *CI = dyn_cast<ConstantInt>(I.getOperand())) { if (const ArrayType *ATy = dyn_cast<ArrayType>(*I)) { - if ((uint64_t)CI->getRawValue() >= ATy->getNumElements()) return 0; + if ((uint64_t)CI->getRawValue() >= ATy->getNumElements()) + C = UndefValue::get(ATy->getElementType()); if (ConstantArray *CA = dyn_cast<ConstantArray>(C)) C = CA->getOperand((unsigned)CI->getRawValue()); else if (isa<ConstantAggregateZero>(C)) @@ -283,7 +284,8 @@ Constant *llvm::ConstantFoldLoadThroughGEPConstantExpr(Constant *C, else return 0; } else if (const PackedType *PTy = dyn_cast<PackedType>(*I)) { - if ((uint64_t)CI->getRawValue() >= PTy->getNumElements()) return 0; + if ((uint64_t)CI->getRawValue() >= PTy->getNumElements()) + C = UndefValue::get(PTy->getElementType()); if (ConstantPacked *CP = dyn_cast<ConstantPacked>(C)) C = CP->getOperand((unsigned)CI->getRawValue()); else if (isa<ConstantAggregateZero>(C)) |