enum { NumLowBitsAvailable = 3 };
};
-// Pointers to pointers are only 4-byte aligned on 32-bit systems.
-template<typename T>
-class PointerLikeTypeTraits<T**> {
-public:
- static inline void *getAsVoidPointer(T** P) { return P; }
- static inline T **getFromVoidPointer(void *P) {
- return static_cast<T**>(P);
- }
- enum { NumLowBitsAvailable = 2 };
-};
-
-
-
-
// Provide PointerLikeTypeTraits for uintptr_t.
template<>
class PointerLikeTypeTraits<uintptr_t> {
#include "llvm/Value.h"
namespace llvm {
+class ValueHandleBase;
+
+// ValueHandleBase** is only 4-byte aligned.
+template<>
+class PointerLikeTypeTraits<ValueHandleBase**> {
+public:
+ static inline void *getAsVoidPointer(ValueHandleBase** P) { return P; }
+ static inline ValueHandleBase **getFromVoidPointer(void *P) {
+ return static_cast<ValueHandleBase**>(P);
+ }
+ enum { NumLowBitsAvailable = 2 };
+};
/// ValueHandleBase - This is the common base class of value handles.
/// ValueHandle's are smart pointers to Value's that have special behavior when
/// Tag - generic tag type for (at least 32 bit) pointers
enum Tag { noTag, tagOne, tagTwo, tagThree };
+// Use** is only 4-byte aligned.
+template<>
+class PointerLikeTypeTraits<Use**> {
+public:
+ static inline void *getAsVoidPointer(Use** P) { return P; }
+ static inline Use **getFromVoidPointer(void *P) {
+ return static_cast<Use**>(P);
+ }
+ enum { NumLowBitsAvailable = 2 };
+};
+
//===----------------------------------------------------------------------===//
// Use Class
//===----------------------------------------------------------------------===//