commit 82860f63e1678077fe665c21179b9df47fd313bb
author Hal Finkel <hfinkel@anl.gov> Thu Jan 03 02:34:09 2013 +0000
committer Hal Finkel <hfinkel@anl.gov> Thu Jan 03 02:34:09 2013 +0000
tree 771f722fcf336a1b1a88c1090fb01f39c86ef371
parent e5ab1bee8c1b4ae58bc108c28194af56379e55ac

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

lib/Target/TargetTransformImpl.cpp

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;
 }
 

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 4afc0d8..eca63f8 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -18303,10 +18303,11 @@
 
 
 unsigned X86VectorTargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Tp,
-                                                      int Index) const {
+                                                      int Index,
+                                                      Type *SubTp) const {
   // We only estimate the cost of reverse shuffles.
   if (Kind != Reverse)
-    return VectorTargetTransformImpl::getShuffleCost(Kind, Tp, Index);
+    return VectorTargetTransformImpl::getShuffleCost(Kind, Tp, Index, SubTp);
 
   std::pair<unsigned, MVT> LT = getTypeLegalizationCost(Tp);
   unsigned Cost = 1;

lib/Target/X86/X86ISelLowering.h

diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 1b4b5eb..2e2fc2a 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -974,7 +974,8 @@
     virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
                                       Type *Src) const;
 
-    unsigned getShuffleCost(ShuffleKind Kind, Type *Tp, int Index) const;
+    unsigned getShuffleCost(ShuffleKind Kind,
+                            Type *Tp, int Index, Type *SubTp) const;
   };
 }