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1 //===-- BenchmarkCode.h -----------------------------------------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #ifndef LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
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10 #define LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
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11
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12 #include "RegisterValue.h"
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13 #include "llvm/MC/MCInst.h"
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14 #include <string>
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15 #include <vector>
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16
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17 namespace llvm {
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18 namespace exegesis {
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19
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20 // A collection of instructions that are to be assembled, executed and measured.
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21 struct BenchmarkCode {
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22 // The sequence of instructions that are to be repeated.
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23 std::vector<llvm::MCInst> Instructions;
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24
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25 // Before the code is executed some instructions are added to setup the
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26 // registers initial values.
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27 std::vector<RegisterValue> RegisterInitialValues;
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28
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29 // We also need to provide the registers that are live on entry for the
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30 // assembler to generate proper prologue/epilogue.
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31 std::vector<unsigned> LiveIns;
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32
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33 // Informations about how this configuration was built.
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34 std::string Info;
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35 };
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36
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37 } // namespace exegesis
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38 } // namespace llvm
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39
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40 #endif // LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
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