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* Add getPrimitiveSize method

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* Remove isPointerType, isMethodType, etc... methods.  Use isa<> instead
* Added specialization of isa for pointer types so that DerivedTypes.h doesn't
  have to be #included to use isa<PointerType>(..)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2483 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-05-06 16:12:53 +00:00
parent 79a31b1782
commit 4dedcb2670
1 changed files with 28 additions and 18 deletions
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46
include/llvm/Type.h
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@ -151,14 +151,34 @@ public:
//
bool isLosslesslyConvertableTo(const Type *Ty) const;
// Here are some useful little methods to query what type derived types are
// Note that all other types can just compare to see if this == Type::xxxTy;
//
inline bool isPrimitiveType() const { return ID < FirstDerivedTyID; }
inline bool isDerivedType() const { return ID >= FirstDerivedTyID; }
// isFirstClassType - Return true if the value is holdable in a register.
inline bool isFirstClassType() const {
return isPrimitiveType() || ID == PointerTyID;
}
// isSized - Return true if it makes sense to take the size of this type. To
// get the actual size for a particular target, it is reasonable to use the
// TargetData subsystem to do this.
//
bool isSized() const {
return ID != TypeTyID && ID != FunctionTyID && ID != OpaqueTyID;
return ID != VoidTyID && ID != TypeTyID &&
ID != FunctionTyID && ID != LabelTyID && ID != OpaqueTyID;
}
// getPrimitiveSize - Return the basic size of this type if it is a primative
// type. These are fixed by LLVM and are not target dependant. This will
// return zero if the type does not have a size or is not a primitive type.
//
unsigned getPrimitiveSize() const;
//===--------------------------------------------------------------------===//
// Type Iteration support
//
@ -199,29 +219,12 @@ public:
static Type *TypeTy , *LabelTy;
// Here are some useful little methods to query what type derived types are
// Note that all other types can just compare to see if this == Type::xxxTy;
//
inline bool isPrimitiveType() const { return ID < FirstDerivedTyID; }
inline bool isDerivedType() const { return ID >= FirstDerivedTyID; }
// isFirstClassType - Return true if the value is holdable in a register.
inline bool isFirstClassType() const {
return isPrimitiveType() || ID == PointerTyID;
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Type *T) { return true; }
static inline bool classof(const Value *V) {
return V->getValueType() == Value::TypeVal;
}
// Methods for determining the subtype of this Type. This section defines a
// family of isArrayType(), isLabelType(), etc functions...
//
#define HANDLE_DERV_TYPE(NAME, CLASS) \
inline bool is##NAME##Type() const { return ID == NAME##TyID; }
#include "llvm/Type.def"
private:
@ -291,4 +294,11 @@ template <> struct GraphTraits<const Type*> {
}
};
template <> inline bool isa<PointerType, const Type*>(const Type *Ty) {
return Ty->getPrimitiveID() == Type::PointerTyID;
}
template <> inline bool isa<PointerType, Type*>(Type *Ty) {
return Ty->getPrimitiveID() == Type::PointerTyID;
}
#endif