1 //===-- CostTable.h - Instruction Cost Table handling -----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief Cost tables and simple lookup functions
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_TARGET_COSTTABLE_H_
16 #define LLVM_TARGET_COSTTABLE_H_
18 #include "llvm/ADT/ArrayRef.h"
19 #include "llvm/CodeGen/MachineValueType.h"
26 MVT::SimpleValueType Type;
30 /// Find in cost table, TypeTy must be comparable to CompareTy by ==
31 inline const CostTblEntry *CostTableLookup(ArrayRef<CostTblEntry> Tbl,
33 auto I = std::find_if(Tbl.begin(), Tbl.end(),
34 [=](const CostTblEntry &Entry) {
35 return ISD == Entry.ISD && Ty == Entry.Type; });
39 // Could not find an entry.
43 /// Type Conversion Cost Table
44 struct TypeConversionCostTblEntry {
46 MVT::SimpleValueType Dst;
47 MVT::SimpleValueType Src;
51 /// Find in type conversion cost table, TypeTy must be comparable to CompareTy
53 inline const TypeConversionCostTblEntry *
54 ConvertCostTableLookup(ArrayRef<TypeConversionCostTblEntry> Tbl,
55 int ISD, MVT Dst, MVT Src) {
56 auto I = std::find_if(Tbl.begin(), Tbl.end(),
57 [=](const TypeConversionCostTblEntry &Entry) {
58 return ISD == Entry.ISD && Src == Entry.Src &&
64 // Could not find an entry.
71 #endif /* LLVM_TARGET_COSTTABLE_H_ */