#ifndef LLVM_TARGET_COSTTABLE_H_
#define LLVM_TARGET_COSTTABLE_H_
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/CodeGen/MachineValueType.h"
+
namespace llvm {
/// Cost Table Entry
-template <class TypeTy>
struct CostTblEntry {
int ISD;
- TypeTy Type;
+ MVT::SimpleValueType Type;
unsigned Cost;
};
-/// Find in cost table, TypeTy must be comparable by ==
-template <class TypeTy>
-int CostTableLookup(const CostTblEntry<TypeTy> *Tbl,
- unsigned len, int ISD, TypeTy Ty) {
- for (unsigned int i = 0; i < len; ++i)
- if (Tbl[i].ISD == ISD && Tbl[i].Type == Ty)
- return i;
+/// Find in cost table, TypeTy must be comparable to CompareTy by ==
+inline const CostTblEntry *CostTableLookup(ArrayRef<CostTblEntry> Tbl,
+ int ISD, MVT Ty) {
+ auto I = std::find_if(Tbl.begin(), Tbl.end(),
+ [=](const CostTblEntry &Entry) {
+ return ISD == Entry.ISD && Ty == Entry.Type; });
+ if (I != Tbl.end())
+ return I;
// Could not find an entry.
- return -1;
+ return nullptr;
}
/// Type Conversion Cost Table
-template <class TypeTy>
struct TypeConversionCostTblEntry {
int ISD;
- TypeTy Dst;
- TypeTy Src;
+ MVT::SimpleValueType Dst;
+ MVT::SimpleValueType Src;
unsigned Cost;
};
-/// Find in type conversion cost table, TypeTy must be comparable by ==
-template <class TypeTy>
-int ConvertCostTableLookup(const TypeConversionCostTblEntry<TypeTy> *Tbl,
- unsigned len, int ISD, TypeTy Dst, TypeTy Src) {
- for (unsigned int i = 0; i < len; ++i)
- if (Tbl[i].ISD == ISD && Tbl[i].Src == Src && Tbl[i].Dst == Dst)
- return i;
+/// Find in type conversion cost table, TypeTy must be comparable to CompareTy
+/// by ==
+inline const TypeConversionCostTblEntry *
+ConvertCostTableLookup(ArrayRef<TypeConversionCostTblEntry> Tbl,
+ int ISD, MVT Dst, MVT Src) {
+ auto I = std::find_if(Tbl.begin(), Tbl.end(),
+ [=](const TypeConversionCostTblEntry &Entry) {
+ return ISD == Entry.ISD && Src == Entry.Src &&
+ Dst == Entry.Dst;
+ });
+ if (I != Tbl.end())
+ return I;
// Could not find an entry.
- return -1;
+ return nullptr;
}
} // namespace llvm