//===-- llvm/Value.h - Definition of the Value class ------------*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file defines the very important Value class. This is subclassed by a
class GlobalValue;
class Function;
class GlobalVariable;
+class InlineAsm;
class SymbolTable;
//===----------------------------------------------------------------------===//
private:
PATypeHolder Ty;
Use *UseList;
+
+ friend class ValueSymbolTable; // Allow ValueSymbolTable to directly mod Name.
+ friend class SymbolTable; // Allow SymbolTable to directly poke Name.
std::string Name;
void operator=(const Value &); // Do not implement
public:
Value(const Type *Ty, unsigned scid, const std::string &name = "");
virtual ~Value();
-
+
/// dump - Support for debugging, callable in GDB: V->dump()
//
virtual void dump() const;
/// print - Implement operator<< on Value...
///
virtual void print(std::ostream &O) const = 0;
-
+
/// All values are typed, get the type of this value.
///
inline const Type *getType() const { return Ty; }
-
+
// All values can potentially be named...
inline bool hasName() const { return !Name.empty(); }
inline const std::string &getName() const { return Name; }
- virtual void setName(const std::string &name) {
- Name = name;
- }
-
+ void setName(const std::string &name);
+
/// replaceAllUsesWith - Go through the uses list for this definition and make
- /// each use point to "V" instead of "this". After this completes, 'this's
+ /// each use point to "V" instead of "this". After this completes, 'this's
/// use list is guaranteed to be empty.
///
void replaceAllUsesWith(Value *V);
UndefValueVal, // This is an instance of UndefValue
ConstantExprVal, // This is an instance of ConstantExpr
ConstantAggregateZeroVal, // This is an instance of ConstantAggregateNull
- SimpleConstantVal, // This is some other type of Constant
+ ConstantBoolVal, // This is an instance of ConstantBool
+ ConstantSIntVal, // This is an instance of ConstantSInt
+ ConstantUIntVal, // This is an instance of ConstantUInt
+ ConstantFPVal, // This is an instance of ConstantFP
+ ConstantArrayVal, // This is an instance of ConstantArray
+ ConstantStructVal, // This is an instance of ConstantStruct
+ ConstantPackedVal, // This is an instance of ConstantPacked
+ ConstantPointerNullVal, // This is an instance of ConstantPointerNull
+ InlineAsmVal, // This is an instance of InlineAsm
InstructionVal, // This is an instance of Instruction
- ValueListVal // This is for bcreader, a special ValTy
+
+ // Markers:
+ ConstantFirstVal = FunctionVal,
+ ConstantLastVal = ConstantPointerNullVal
};
unsigned getValueType() const {
return SubclassID;
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const Value *V) {
+ static inline bool classof(const Value *) {
return true; // Values are always values.
}
private:
/// FIXME: this is a gross hack, needed by another gross hack. Eliminate!
- void setValueType(unsigned VT) { SubclassID = VT; }
+ void setValueType(unsigned short VT) { SubclassID = VT; }
friend class Instruction;
};
if (Val) removeFromList();
}
-void Use::set(Value *V) {
+void Use::set(Value *V) {
if (Val) removeFromList();
Val = V;
if (V) V->addUse(*this);
// isa - Provide some specializations of isa so that we don't have to include
// the subtype header files to test to see if the value is a subclass...
//
-template <> inline bool isa_impl<Constant, Value>(const Value &Val) {
- return Val.getValueType() == Value::SimpleConstantVal ||
- Val.getValueType() == Value::FunctionVal ||
- Val.getValueType() == Value::GlobalVariableVal ||
- Val.getValueType() == Value::ConstantExprVal ||
- Val.getValueType() == Value::ConstantAggregateZeroVal ||
- Val.getValueType() == Value::UndefValueVal;
+template <> inline bool isa_impl<Constant, Value>(const Value &Val) {
+ return Val.getValueType() >= Value::ConstantFirstVal &&
+ Val.getValueType() <= Value::ConstantLastVal;
}
-template <> inline bool isa_impl<Argument, Value>(const Value &Val) {
+template <> inline bool isa_impl<Argument, Value>(const Value &Val) {
return Val.getValueType() == Value::ArgumentVal;
}
-template <> inline bool isa_impl<Instruction, Value>(const Value &Val) {
+template <> inline bool isa_impl<InlineAsm, Value>(const Value &Val) {
+ return Val.getValueType() == Value::InlineAsmVal;
+}
+template <> inline bool isa_impl<Instruction, Value>(const Value &Val) {
return Val.getValueType() >= Value::InstructionVal;
}
-template <> inline bool isa_impl<BasicBlock, Value>(const Value &Val) {
+template <> inline bool isa_impl<BasicBlock, Value>(const Value &Val) {
return Val.getValueType() == Value::BasicBlockVal;
}
-template <> inline bool isa_impl<Function, Value>(const Value &Val) {
+template <> inline bool isa_impl<Function, Value>(const Value &Val) {
return Val.getValueType() == Value::FunctionVal;
}
-template <> inline bool isa_impl<GlobalVariable, Value>(const Value &Val) {
+template <> inline bool isa_impl<GlobalVariable, Value>(const Value &Val) {
return Val.getValueType() == Value::GlobalVariableVal;
}
-template <> inline bool isa_impl<GlobalValue, Value>(const Value &Val) {
+template <> inline bool isa_impl<GlobalValue, Value>(const Value &Val) {
return isa<GlobalVariable>(Val) || isa<Function>(Val);
}