Reformat comment lines.

[oota-llvm.git] / include / llvm / IR / Constant.h

diff --git a/include/llvm/IR/Constant.h b/include/llvm/IR/Constant.h
index 8c1f6aa41c8c89559db86da72c1fdaff71bd61b3..c17e5926aa96fba33c54019983471e907e95b545 100644 (file)
--- a/include/llvm/IR/Constant.h
+++ b/include/llvm/IR/Constant.h
@@ -24,18 +24,18 @@ namespace llvm {
 /// This is an important base class in LLVM. It provides the common facilities
 /// of all constant values in an LLVM program. A constant is a value that is
 /// immutable at runtime. Functions are constants because their address is
-/// immutable. Same with global variables. 
-/// 
+/// immutable. Same with global variables.
+///
 /// All constants share the capabilities provided in this class. All constants
 /// can have a null value. They can have an operand list. Constants can be
 /// simple (integer and floating point values), complex (arrays and structures),
-/// or expression based (computations yielding a constant value composed of 
+/// or expression based (computations yielding a constant value composed of
 /// only certain operators and other constant values).
-/// 
-/// Note that Constants are immutable (once created they never change) 
-/// and are fully shared by structural equivalence.  This means that two 
-/// structurally equivalent constants will always have the same address.  
-/// Constants are created on demand as needed and never deleted: thus clients 
+///
+/// Note that Constants are immutable (once created they never change)
+/// and are fully shared by structural equivalence.  This means that two
+/// structurally equivalent constants will always have the same address.
+/// Constants are created on demand as needed and never deleted: thus clients
 /// don't have to worry about the lifetime of the objects.
 /// @brief LLVM Constant Representation
 class Constant : public User {
@@ -47,8 +47,6 @@ protected:
   Constant(Type *ty, ValueTy vty, Use *Ops, unsigned NumOps)
     : User(ty, vty, Ops, NumOps) {}
 
-  void replaceUsesOfWithOnConstantImpl(Constant *Replacement);
-
 public:
   /// isNullValue - Return true if this is the value that would be returned by
   /// getNullValue.
@@ -61,7 +59,7 @@ public:
   /// getAllOnesValue.
   bool isAllOnesValue() const;
 
-  /// isNegativeZeroValue - Return true if the value is what would be returned 
+  /// isNegativeZeroValue - Return true if the value is what would be returned
   /// by getZeroValueForNegation.
   bool isNegativeZeroValue() const;
 
@@ -98,7 +96,7 @@ public:
   /// whether or not it may generate a relocation entry.  This must be
   /// conservative, so if it might codegen to a relocatable entry, it should say
   /// so.  The return values are:
-  /// 
+  ///
   ///  NoRelocation: This constant pool entry is guaranteed to never have a
   ///     relocation applied to it (because it holds a simple constant like
   ///     '4').
@@ -140,8 +138,8 @@ public:
            V->getValueID() <= ConstantLastVal;
   }
 
-  /// replaceUsesOfWithOnConstant - This method is a special form of
-  /// User::replaceUsesOfWith (which does not work on constants) that does work
+  /// This method is a special form of User::replaceUsesOfWith
+  /// (which does not work on constants) that does work
   /// on constants.  Basically this method goes through the trouble of building
   /// a new constant that is equivalent to the current one, with all uses of
   /// From replaced with uses of To.  After this construction is completed, all
@@ -150,15 +148,7 @@ public:
   /// use Value::replaceAllUsesWith, which automatically dispatches to this
   /// method as needed.
   ///
-  virtual void replaceUsesOfWithOnConstant(Value *, Value *, Use *) {
-    // Provide a default implementation for constants (like integers) that
-    // cannot use any other values.  This cannot be called at runtime, but needs
-    // to be here to avoid link errors.
-    assert(getNumOperands() == 0 && "replaceUsesOfWithOnConstant must be "
-           "implemented for all constants that have operands!");
-    llvm_unreachable("Constants that do not have operands cannot be using "
-                     "'From'!");
-  }
+  void handleOperandChange(Value *, Value *, Use *);
 
   static Constant *getNullValue(Type* Ty);
 
@@ -169,8 +159,8 @@ public:
 
   /// getIntegerValue - Return the value for an integer or pointer constant,
   /// or a vector thereof, with the given scalar value.
-  static Constant *getIntegerValue(Type* Ty, const APInt &V);
-  
+  static Constant *getIntegerValue(Type *Ty, const APInt &V);
+
   /// removeDeadConstantUsers - If there are any dead constant users dangling
   /// off of this constant, remove them.  This method is useful for clients
   /// that want to check to see if a global is unused, but don't want to deal