Add a subtype parameter to VTTI::getShuffleCost

In order to cost subvector insertion and extraction, we need to know
the type of the subvector being extracted.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171453 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 4 deletions

diff --git a/include/llvm/Target/TargetTransformImpl.h b/include/llvm/Target/TargetTransformImpl.h
index 3b6ed1abd3..bbdb4f1dc2 100644
--- a/include/llvm/Target/TargetTransformImpl.h
+++ b/include/llvm/Target/TargetTransformImpl.h
@@ -72,7 +72,7 @@ public:
   virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const;
 
   virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp,
-                                  int Index) const;
+                                  int Index, Type *SubTp) const;
 
   virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
                                     Type *Src) const;
diff --git a/include/llvm/TargetTransformInfo.h b/include/llvm/TargetTransformInfo.h
index 6336afcffe..1dc2b07ddf 100644
--- a/include/llvm/TargetTransformInfo.h
+++ b/include/llvm/TargetTransformInfo.h
@@ -170,10 +170,10 @@ public:
   }
 
   /// Returns the cost of a shuffle instruction of kind Kind and of type Tp.
-  /// The index parameter is used by some of the shuffle kinds to add
-  /// additional information.
+  /// The index and subtype parameters are used by some of the shuffle kinds
+  /// to add additional information.
   virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp,
-                                  int Index = 0) const {
+                                  int Index = 0, Type *SubTp = 0) const {
     return 1;
   }