diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index a338d01a83d..623ce701b60 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -531,7 +531,8 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, return UndefValue::get(DestTy); } - if (V->isNullValue() && !DestTy->isX86_MMXTy()) + if (V->isNullValue() && !DestTy->isX86_MMXTy() && + opc != Instruction::AddrSpaceCast) return Constant::getNullValue(DestTy); // If the cast operand is a constant expression, there's a few things we can |
