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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186187 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/BasicTargetTransformInfo.cpp b/lib/CodeGen/BasicTargetTransformInfo.cpp
index 19ace64..3755320 100644
--- a/lib/CodeGen/BasicTargetTransformInfo.cpp
+++ b/lib/CodeGen/BasicTargetTransformInfo.cpp
@@ -108,7 +108,7 @@
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 @@
return LT.first;
}
-unsigned BasicTTI::getAddressComputationCost(Type *Ty) const {
+unsigned BasicTTI::getAddressComputationCost(Type *Ty, bool IsComplex) const {
return 0;
}