Move a few more convenience factory functions from Constant to LLVMContext.

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

diff --git a/include/llvm/Constant.h b/include/llvm/Constant.h
index d4949d1a0ffd1447f2ea7a86fcab3518e238af12..3dc5881bdf4bf4f37fc9c4a8f0afc34448e0278f 100644 (file)
--- a/include/llvm/Constant.h
+++ b/include/llvm/Constant.h
@@ -18,6 +18,7 @@
 
 namespace llvm {
   template<typename T> class SmallVectorImpl;
+  class LLVMContext;
 
   /// If object contains references to other objects, then relocations are
   /// usually required for emission of such object (especially in PIC mode). One
@@ -59,19 +60,14 @@ protected:
 
   void destroyConstantImpl();
 public:
-  /// Static constructor to get a '0' constant of arbitrary type...
-  ///
-  static Constant *getNullValue(const Type *Ty);
-
-  /// Static constructor to get a '-1' constant.  This supports integers and
-  /// vectors.
-  ///
-  static Constant *getAllOnesValue(const Type *Ty);
-  
   /// isNullValue - Return true if this is the value that would be returned by
   /// getNullValue.
   virtual bool isNullValue() const = 0;
 
+  /// isNegativeZeroValue - Return true if the value is what would be returned 
+  /// by getZeroValueForNegation.
+  virtual bool isNegativeZeroValue() const { return isNullValue(); }
+
   /// canTrap - Return true if evaluation of this constant could trap.  This is
   /// true for things like constant expressions that could divide by zero.
   bool canTrap() const;
@@ -98,7 +94,8 @@ public:
   /// type, returns the elements of the vector in the specified smallvector.
   /// This handles breaking down a vector undef into undef elements, etc.  For
   /// constant exprs and other cases we can't handle, we return an empty vector.
-  void getVectorElements(SmallVectorImpl<Constant*> &Elts) const;
+  void getVectorElements(LLVMContext &Context, 
+                         SmallVectorImpl<Constant*> &Elts) const;
 
   /// destroyConstant - Called if some element of this constant is no longer
   /// valid.  At this point only other constants may be on the use_list for this