tools/llvm-exegesis/lib/BenchmarkCode.h

   1 //===-- BenchmarkCode.h -----------------------------------------*- C++ -*-===//
   2 //
   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
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
  10 #define LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
  11
  12 #include "RegisterValue.h"
  13 #include "llvm/MC/MCInst.h"
  14 #include <string>
  15 #include <vector>
  16
  17 namespace llvm {
  18 namespace exegesis {
  19
  20 // A collection of instructions that are to be assembled, executed and measured.
  21 struct BenchmarkCode {
  22   // The sequence of instructions that are to be repeated.
  23   std::vector<llvm::MCInst> Instructions;
  24
  25   // Before the code is executed some instructions are added to setup the
  26   // registers initial values.
  27   std::vector<RegisterValue> RegisterInitialValues;
  28
  29   // We also need to provide the registers that are live on entry for the
  30   // assembler to generate proper prologue/epilogue.
  31   std::vector<unsigned> LiveIns;
  32
  33   // Informations about how this configuration was built.
  34   std::string Info;
  35 };
  36
  37 } // namespace exegesis
  38 } // namespace llvm
  39
  40 #endif // LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H