TargetTransformInfo: address calculation parameter for gather/scather

Address calculation for gather/scather in vectorized code can incur a
significant cost making vectorization unbeneficial. Add infrastructure to add
cost.
Tests and cost model for targets will be in follow-up commits.

radar://14351991

llvm-svn: 186187

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp b/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp
index 19ace642ef1..3755320ab15 100644
--- a/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp
+++ b/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp
@@ -108,7 +108,7 @@ public:
   virtual unsigned getIntrinsicInstrCost(Intrinsic::ID, Type *RetTy,
                                          ArrayRef<Type*> Tys) const;
   virtual unsigned getNumberOfParts(Type *Tp) const;
-  virtual unsigned getAddressComputationCost(Type *Ty) const;
+  virtual unsigned getAddressComputationCost(Type *Ty, bool IsComplex) const;
 
   /// @}
 };
@@ -489,6 +489,6 @@ unsigned BasicTTI::getNumberOfParts(Type *Tp) const {
   return LT.first;
 }
 
-unsigned BasicTTI::getAddressComputationCost(Type *Ty) const {
+unsigned BasicTTI::getAddressComputationCost(Type *Ty, bool IsComplex) const {
   return 0;
 }