Extend constructor so that it can support GlobalValue's (with names).

Make GlobalValue a "classof" Constant
Fix the classof(Value*) to include GlobalValue's


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14918 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2004-07-17 23:26:12 +00:00
parent d25e6cd128
commit e2643aa9df

View File

@ -20,7 +20,9 @@ namespace llvm {
class Constant : public User {
protected:
inline Constant(const Type *Ty) : User(Ty, Value::ConstantVal) {}
inline Constant(const Type *Ty, ValueTy vty = Value::ConstantVal,
const std::string& Name = "" )
: User(Ty, vty, Name) {}
~Constant() {}
void destroyConstantImpl();
@ -50,20 +52,16 @@ public:
/// available cached constants. Implementations should call
/// destroyConstantImpl as the last thing they do, to destroy all users and
/// delete this.
///
/// Note that this call is only valid on non-primitive constants: You cannot
/// destroy an integer constant for example. This API is used to delete
/// constants that have ConstantPointerRef's embeded in them when the module
/// is deleted, and it is used by GlobalDCE to remove ConstantPointerRefs that
/// are unneeded, allowing globals to be DCE'd.
///
virtual void destroyConstant() { assert(0 && "Not reached!"); }
//// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Constant *) { return true; }
static inline bool classof(const GlobalValue *) { return true; }
static inline bool classof(const Value *V) {
return V->getValueType() == Value::ConstantVal;
return V->getValueType() == Value::ConstantVal ||
V->getValueType() == Value::FunctionVal ||
V->getValueType() == Value::GlobalVariableVal;
}
/// replaceUsesOfWithOnConstant - This method is a special form of