Add a check if the initial value of the induction variable is 0 (the method comment...

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

diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h
index 2f3ad9d6ebc054f02612dead7f8fa453ca2a0dc9..c69bad4b3be90ee31d648ccf2cb313494d22ea13 100644 (file)
--- a/include/llvm/Constants.h
+++ b/include/llvm/Constants.h
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -247,8 +247,8 @@ public:
       return isExactlyValue(APFloat(V));
     else if (&Val.getSemantics() == &APFloat::IEEEsingle)
       return isExactlyValue(APFloat((float)V));
-    else
-      assert(0);
+    assert(0);
+    return false;
   }
   /// Methods for support type inquiry through isa, cast, and dyn_cast:
   static inline bool classof(const ConstantFP *) { return true; }
@@ -438,6 +438,10 @@ public:
   /// @brief Determine if the value is all ones.
   bool isAllOnesValue() const;
 
+  /// getSplatValue - If this is a splat constant, meaning that all of the
+  /// elements have the same value, return that value. Otherwise return NULL.
+  Constant *getSplatValue();
+
   virtual void destroyConstant();
   virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
 
@@ -599,7 +603,7 @@ public:
   }
 
   /// getSizeOf constant expr - computes the size of a type in a target
-  /// independent way (Note: the return type is a ULong).
+  /// independent way (Note: the return type is an i64).
   ///
   static Constant *getSizeOf(const Type *Ty);
 
@@ -628,8 +632,8 @@ public:
   static Constant *getAnd(Constant *C1, Constant *C2);
   static Constant *getOr(Constant *C1, Constant *C2);
   static Constant *getXor(Constant *C1, Constant *C2);
-  static Constant* getICmp(unsigned short pred, Constant* LHS, Constant* RHS);
-  static Constant* getFCmp(unsigned short pred, Constant* LHS, Constant* RHS);
+  static Constant *getICmp(unsigned short pred, Constant *LHS, Constant *RHS);
+  static Constant *getFCmp(unsigned short pred, Constant *LHS, Constant *RHS);
   static Constant *getShl(Constant *C1, Constant *C2);
   static Constant *getLShr(Constant *C1, Constant *C2);
   static Constant *getAShr(Constant *C1, Constant *C2);