X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FInstrTypes.h;h=6715416afa1cd59656117a9cf836e51ce8defe3c;hb=cdfad36b401be6fc709ea4051f9de58e1a30bcc9;hp=49cdd6a04e396d335f5075df4c3a79f052051449;hpb=42cefa1ea34bfe01b3073d27a1e78f1c1d75cedc;p=oota-llvm.git

diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h
index 49cdd6a04e3..6715416afa1 100644
--- a/include/llvm/InstrTypes.h
+++ b/include/llvm/InstrTypes.h
@@ -612,7 +612,7 @@ public:
 
   /// A lossless cast is one that does not alter the basic value. It implies
   /// a no-op cast but is more stringent, preventing things like int->float,
-  /// long->double, int->ptr, or vector->anything.
+  /// long->double, or int->ptr.
   /// @returns true iff the cast is lossless.
   /// @brief Determine if this is a lossless cast.
   bool isLosslessCast() const;
@@ -625,6 +625,14 @@ public:
   /// platform. Generally, the result of TargetData::getIntPtrType() should be
   /// passed in. If that's not available, use Type::Int64Ty, which will make
   /// the isNoopCast call conservative.
+  /// @brief Determine if the described cast is a no-op cast.
+  static bool isNoopCast(
+    Instruction::CastOps Opcode,  ///< Opcode of cast
+    const Type *SrcTy,   ///< SrcTy of cast
+    const Type *DstTy,   ///< DstTy of cast
+    const Type *IntPtrTy ///< Integer type corresponding to Ptr types, or null
+  );
+
   /// @brief Determine if this cast is a no-op cast.
   bool isNoopCast(
     const Type *IntPtrTy ///< Integer type corresponding to pointer