diff options
Diffstat (limited to 'include/llvm/Constants.h')
| -rw-r--r-- | include/llvm/Constants.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h index caa13f6..f34f9cb 100644 --- a/include/llvm/Constants.h +++ b/include/llvm/Constants.h @@ -605,7 +605,7 @@ protected: ConstantExpr(const Type *ty, unsigned Opcode, Use *Ops, unsigned NumOps) : Constant(ty, ConstantExprVal, Ops, NumOps) { // Operation type (an Instruction opcode) is stored as the SubclassData. - SubclassData = Opcode; + setValueSubclassData(Opcode); } // These private methods are used by the type resolution code to create @@ -692,8 +692,10 @@ public: static Constant *getIntToPtr(Constant *C, const Type *Ty); static Constant *getBitCast (Constant *C, const Type *Ty); + static Constant *getNSWNeg(Constant *C); static Constant *getNSWAdd(Constant *C1, Constant *C2); static Constant *getNSWSub(Constant *C1, Constant *C2); + static Constant *getNSWMul(Constant *C1, Constant *C2); static Constant *getExactSDiv(Constant *C1, Constant *C2); /// Transparently provide more efficient getOperand methods. @@ -812,7 +814,7 @@ public: virtual bool isNullValue() const { return false; } /// getOpcode - Return the opcode at the root of this constant expression - unsigned getOpcode() const { return SubclassData; } + unsigned getOpcode() const { return getSubclassDataFromValue(); } /// getPredicate - Return the ICMP or FCMP predicate value. Assert if this is /// not an ICMP or FCMP constant expression. @@ -845,6 +847,13 @@ public: static inline bool classof(const Value *V) { return V->getValueID() == ConstantExprVal; } + +private: + // Shadow Value::setValueSubclassData with a private forwarding method so that + // subclasses cannot accidentally use it. + void setValueSubclassData(unsigned short D) { + Value::setValueSubclassData(D); + } }; template <> |
