LCOV - code coverage report
Current view: top level - include/llvm/CodeGen - CostTable.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 4 4 100.0 %
Date: 2018-05-20 00:06:23 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===-- CostTable.h - Instruction Cost Table handling -----------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : ///
      10             : /// \file
      11             : /// Cost tables and simple lookup functions
      12             : ///
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_CODEGEN_COSTTABLE_H_
      16             : #define LLVM_CODEGEN_COSTTABLE_H_
      17             : 
      18             : #include "llvm/ADT/ArrayRef.h"
      19             : #include "llvm/ADT/STLExtras.h"
      20             : #include "llvm/Support/MachineValueType.h"
      21             : 
      22             : namespace llvm {
      23             : 
      24             : /// Cost Table Entry
      25             : struct CostTblEntry {
      26             :   int ISD;
      27             :   MVT::SimpleValueType Type;
      28             :   unsigned Cost;
      29             : };
      30             : 
      31             : /// Find in cost table, TypeTy must be comparable to CompareTy by ==
      32             : inline const CostTblEntry *CostTableLookup(ArrayRef<CostTblEntry> Tbl,
      33             :                                            int ISD, MVT Ty) {
      34             :   auto I = find_if(Tbl, [=](const CostTblEntry &Entry) {
      35     9265240 :     return ISD == Entry.ISD && Ty == Entry.Type;
      36             :   });
      37      803934 :   if (I != Tbl.end())
      38             :     return I;
      39             : 
      40             :   // Could not find an entry.
      41             :   return nullptr;
      42             : }
      43             : 
      44             : /// Type Conversion Cost Table
      45             : struct TypeConversionCostTblEntry {
      46             :   int ISD;
      47             :   MVT::SimpleValueType Dst;
      48             :   MVT::SimpleValueType Src;
      49             :   unsigned Cost;
      50             : };
      51             : 
      52             : /// Find in type conversion cost table, TypeTy must be comparable to CompareTy
      53             : /// by ==
      54             : inline const TypeConversionCostTblEntry *
      55             : ConvertCostTableLookup(ArrayRef<TypeConversionCostTblEntry> Tbl,
      56             :                        int ISD, MVT Dst, MVT Src) {
      57             :   auto I = find_if(Tbl, [=](const TypeConversionCostTblEntry &Entry) {
      58      672051 :     return ISD == Entry.ISD && Src == Entry.Src && Dst == Entry.Dst;
      59             :   });
      60       16227 :   if (I != Tbl.end())
      61             :     return I;
      62             : 
      63             :   // Could not find an entry.
      64             :   return nullptr;
      65             : }
      66             : 
      67             : } // namespace llvm
      68             : 
      69             : #endif /* LLVM_CODEGEN_COSTTABLE_H_ */

Generated by: LCOV version 1.13