//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// the super class of other important classes such as Instruction and Function.
/// All Values have a Type. Type is not a subclass of Value. All types can have
/// a name and they should belong to some Module. Setting the name on the Value
-/// automatically update's the module's symbol table.
+/// automatically updates the module's symbol table.
///
/// Every value has a "use list" that keeps track of which other Values are
/// using this Value.
// All values can potentially be named...
inline bool hasName() const { return Name != 0; }
+ ValueName *getValueName() const { return Name; }
+
+ /// getNameStart - Return a pointer to a null terminated string for this name.
+ /// Note that names can have null characters within the string as well as at
+ /// their end. This always returns a non-null pointer.
+ const char *getNameStart() const;
+
+ /// isName - Return true if this value has the name specified by the provided
+ /// nul terminated string.
+ bool isName(const char *N) const;
+
+ /// getNameLen - Return the length of the string, correctly handling nul
+ /// characters embedded into them.
+ unsigned getNameLen() const;
+
+ /// getName()/getNameStr() - Return the name of the specified value,
+ /// *constructing a string* to hold it. Because these are guaranteed to
+ /// construct a string, they are very expensive and should be avoided.
std::string getName() const { return getNameStr(); }
std::string getNameStr() const;
- ValueName *getValueName() const { return Name; }
+
void setName(const std::string &name);
void setName(const char *Name, unsigned NameLen);
/// to check for specific values.
unsigned getNumUses() const;
- /// addUse/killUse - These two methods should only be used by the Use class.
+ /// addUse - This method should only be used by the Use class.
///
void addUse(Use &U) { U.addToList(&UseList); }
ConstantVectorVal, // This is an instance of ConstantVector
ConstantPointerNullVal, // This is an instance of ConstantPointerNull
InlineAsmVal, // This is an instance of InlineAsm
+ PseudoSourceValueVal, // This is an instance of PseudoSourceValue
InstructionVal, // This is an instance of Instruction
// Markers:
/// getRawType - This should only be used to implement the vmcore library.
///
const Type *getRawType() const { return Ty.getRawType(); }
+
+ /// stripPointerCasts - This method strips off any unneeded pointer
+ /// casts from the specified value, returning the original uncasted value.
+ /// Note that the returned value is guaranteed to have pointer type.
+ Value *stripPointerCasts();
};
inline std::ostream &operator<<(std::ostream &OS, const Value &V) {
return OS;
}
-void Use::init(Value *v, User *user) {
- Val = v;
- U = user;
- if (Val) Val->addUse(*this);
-}
-
-Use::~Use() {
- if (Val) removeFromList();
+void Use::init(Value *V, User *) {
+ Val = V;
+ if (V) V->addUse(*this);
}
void Use::set(Value *V) {