tools/llvm-exegesis/lib/BenchmarkCode.h

   1 //===-- BenchmarkCode.h -----------------------------------------*- 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 #ifndef LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
  11 #define LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
  12
  13 #include "RegisterValue.h"
  14 #include "llvm/MC/MCInst.h"
  15 #include <string>
  16 #include <vector>
  17
  18 namespace llvm {
  19 namespace exegesis {
  20
  21 // A collection of instructions that are to be assembled, executed and measured.
  22 struct BenchmarkCode {
  23   // The sequence of instructions that are to be repeated.
  24   std::vector<llvm::MCInst> Instructions;
  25
  26   // Before the code is executed some instructions are added to setup the
  27   // registers initial values.
  28   std::vector<RegisterValue> RegisterInitialValues;
  29
  30   // We also need to provide the registers that are live on entry for the
  31   // assembler to generate proper prologue/epilogue.
  32   std::vector<unsigned> LiveIns;
  33
  34   // Informations about how this configuration was built.
  35   std::string Info;
  36 };
  37
  38 } // namespace exegesis
  39 } // namespace llvm
  40
  41 #endif // LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H