Files
clang-p2996/llvm/tools/llvm-exegesis/lib/BenchmarkCode.h
Clement Courbet d939f6d013 [llvm-exegesis][NFC] Split BenchmarkRunner class
Summary:
The snippet-generation part goes to the SnippetGenerator class.

This will allow benchmarking arbitrary code (see PR38437).

Reviewers: gchatelet

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51979

llvm-svn: 342117
2018-09-13 07:40:53 +00:00

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1.2 KiB
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//===-- BenchmarkCode.h -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
#define LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H
#include "llvm/MC/MCInst.h"
#include <string>
#include <vector>
namespace exegesis {
// A collection of instructions that are to be assembled, executed and measured.
struct BenchmarkCode {
// The sequence of instructions that are to be repeated.
std::vector<llvm::MCInst> Instructions;
// Before the code is executed some instructions are added to setup the
// registers initial values.
std::vector<unsigned> RegsToDef;
// We also need to provide the registers that are live on entry for the
// assembler to generate proper prologue/epilogue.
std::vector<unsigned> LiveIns;
// Informations about how this configuration was built.
std::string Info;
};
} // namespace exegesis
#endif // LLVM_TOOLS_LLVM_EXEGESIS_BENCHMARKCODE_H