1 //===-- CostTable.h - Instruction Cost Table handling -----------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 /// Cost tables and simple lookup functions
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CODEGEN_COSTTABLE_H_
15 #define LLVM_CODEGEN_COSTTABLE_H_
17 #include "llvm/ADT/ArrayRef.h"
18 #include "llvm/ADT/STLExtras.h"
19 #include "llvm/Support/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 = find_if(Tbl, [=](const CostTblEntry &Entry) {
34 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 = find_if(Tbl, [=](const TypeConversionCostTblEntry &Entry) {
57 return ISD == Entry.ISD && Src == Entry.Src && Dst == Entry.Dst;
62 // Could not find an entry.
68 #endif /* LLVM_CODEGEN_COSTTABLE_H_ */