[llvm-commits] [llvm] r171459 - /llvm/trunk/include/llvm/TargetTransformInfo.h

[Hal Finkel]

Author: hfinkel
Date: Wed Jan  2 23:02:41 2013
New Revision: 171459

URL: http://llvm.org/viewvc/llvm-project?rev=171459&view=rev
Log:
Better comment on VTTI::getShuffleCost

Modified:
    llvm/trunk/include/llvm/TargetTransformInfo.h

Modified: llvm/trunk/include/llvm/TargetTransformInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/TargetTransformInfo.h?rev=171459&r1=171458&r2=171459&view=diff
==============================================================================
--- llvm/trunk/include/llvm/TargetTransformInfo.h (original)
+++ llvm/trunk/include/llvm/TargetTransformInfo.h Wed Jan  2 23:02:41 2013
@@ -170,8 +170,8 @@
   }
 
   /// Returns the cost of a shuffle instruction of kind Kind and of type Tp.
-  /// The index and subtype parameters are used by some of the shuffle kinds
-  /// to add additional information.
+  /// The index and subtype parameters are used by the subvector insertion and
+  /// extraction shuffle kinds.
   virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp,
                                   int Index = 0, Type *SubTp = 0) const {
     return 1;