/// GetElementPtrConstantExpr - This class is private to Constants.cpp, and is
/// used behind the scenes to implement getelementpr constant exprs.
class GetElementPtrConstantExpr : public ConstantExpr {
+ Type *SrcElementTy;
void anchor() override;
- GetElementPtrConstantExpr(Constant *C, ArrayRef<Constant*> IdxList,
- Type *DestTy);
+ GetElementPtrConstantExpr(Type *SrcElementTy, Constant *C,
+ ArrayRef<Constant *> IdxList, Type *DestTy);
+
public:
static GetElementPtrConstantExpr *Create(Constant *C,
ArrayRef<Constant*> IdxList,
Type *DestTy,
unsigned Flags) {
- GetElementPtrConstantExpr *Result =
- new(IdxList.size() + 1) GetElementPtrConstantExpr(C, IdxList, DestTy);
+ return Create(
+ cast<PointerType>(C->getType()->getScalarType())->getElementType(), C,
+ IdxList, DestTy, Flags);
+ }
+ static GetElementPtrConstantExpr *Create(Type *SrcElementTy, Constant *C,
+ ArrayRef<Constant *> IdxList,
+ Type *DestTy, unsigned Flags) {
+ GetElementPtrConstantExpr *Result = new (IdxList.size() + 1)
+ GetElementPtrConstantExpr(SrcElementTy, C, IdxList, DestTy);
Result->SubclassOptionalData = Flags;
return Result;
}
+ Type *getSourceElementType() const;
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
};
uint16_t SubclassData;
ArrayRef<Constant *> Ops;
ArrayRef<unsigned> Indexes;
+ Type *ExplicitTy;
ConstantExprKeyType(unsigned Opcode, ArrayRef<Constant *> Ops,
unsigned short SubclassData = 0,
unsigned short SubclassOptionalData = 0,
- ArrayRef<unsigned> Indexes = None)
+ ArrayRef<unsigned> Indexes = None,
+ Type *ExplicitTy = nullptr)
: Opcode(Opcode), SubclassOptionalData(SubclassOptionalData),
- SubclassData(SubclassData), Ops(Ops), Indexes(Indexes) {}
+ SubclassData(SubclassData), Ops(Ops), Indexes(Indexes),
+ ExplicitTy(ExplicitTy) {}
ConstantExprKeyType(ArrayRef<Constant *> Operands, const ConstantExpr *CE)
: Opcode(CE->getOpcode()),
SubclassOptionalData(CE->getRawSubclassOptionalData()),
case Instruction::ExtractValue:
return new ExtractValueConstantExpr(Ops[0], Indexes, Ty);
case Instruction::GetElementPtr:
- return GetElementPtrConstantExpr::Create(Ops[0], Ops.slice(1), Ty,
- SubclassOptionalData);
+ return GetElementPtrConstantExpr::Create(
+ ExplicitTy ? ExplicitTy
+ : cast<PointerType>(Ops[0]->getType()->getScalarType())
+ ->getElementType(),
+ Ops[0], Ops.slice(1), Ty, SubclassOptionalData);
case Instruction::ICmp:
return new CompareConstantExpr(Ty, Instruction::ICmp, SubclassData,
Ops[0], Ops[1]);