Forgot to commit this file.

[oota-llvm.git] / include / llvm / Value.h

diff --git a/include/llvm/Value.h b/include/llvm/Value.h
index 0e9d2f1c73d763845f1c88a8c4494bc3c6fb8493..af90b91c3bfba2f8bd51f6608796b6d83c7c299b 100644 (file)
--- a/include/llvm/Value.h
+++ b/include/llvm/Value.h
@@ -18,7 +18,7 @@
 #include "llvm/AbstractTypeUser.h"
 #include "llvm/Use.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/Streams.h"
+#include <iosfwd>
 #include <string>
 
 namespace llvm {
@@ -46,7 +46,7 @@ typedef StringMapEntry<Value*> ValueName;
 /// 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.
@@ -95,6 +95,10 @@ public:
   /// 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;
@@ -216,6 +220,11 @@ public:
   /// 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) {
@@ -223,14 +232,9 @@ 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) {