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
diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index d7c221e..f8c5889 100644
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -209,8 +209,7 @@
 }
 
 unsigned VectorTargetTransformImpl::getShuffleCost(ShuffleKind Kind,
-                                                   Type *Tp,
-                                                   int Index) const {
+                                  Type *Tp, int Index, Type *SubTp) const {
   return 1;
 }