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//===-- BenchmarkResult.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "BenchmarkResult.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/FileOutputBuffer.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
// Defining YAML traits for IO.
namespace llvm {
namespace yaml {
// std::vector<exegesis::Measure> will be rendered as a list.
template <> struct SequenceElementTraits<exegesis::BenchmarkMeasure> {
static const bool flow = false;
};
// exegesis::Measure is rendererd as a flow instead of a list.
// e.g. { "key": "the key", "value": 0123 }
template <> struct MappingTraits<exegesis::BenchmarkMeasure> {
static void mapping(IO &Io, exegesis::BenchmarkMeasure &Obj) {
Io.mapRequired("key", Obj.Key);
Io.mapRequired("value", Obj.Value);
Io.mapOptional("debug_string", Obj.DebugString);
}
static const bool flow = true;
};
template <> struct MappingTraits<exegesis::AsmTemplate> {
static void mapping(IO &Io, exegesis::AsmTemplate &Obj) {
Io.mapRequired("name", Obj.Name);
}
};
template <> struct MappingTraits<exegesis::InstructionBenchmark> {
static void mapping(IO &Io, exegesis::InstructionBenchmark &Obj) {
Io.mapRequired("asm_template", Obj.AsmTmpl);
Io.mapRequired("cpu_name", Obj.CpuName);
Io.mapRequired("llvm_triple", Obj.LLVMTriple);
Io.mapRequired("num_repetitions", Obj.NumRepetitions);
Io.mapRequired("measurements", Obj.Measurements);
Io.mapRequired("error", Obj.Error);
}
};
} // namespace yaml
} // namespace llvm
LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(exegesis::InstructionBenchmark)
namespace exegesis {
namespace {
template <typename ObjectOrList>
ObjectOrList readYamlOrDieCommon(llvm::StringRef Filename) {
std::unique_ptr<llvm::MemoryBuffer> MemBuffer = llvm::cantFail(
llvm::errorOrToExpected(llvm::MemoryBuffer::getFile(Filename)));
llvm::yaml::Input Yin(*MemBuffer);
ObjectOrList Benchmark;
Yin >> Benchmark;
return Benchmark;
}
} // namespace
InstructionBenchmark
InstructionBenchmark::readYamlOrDie(llvm::StringRef Filename) {
return readYamlOrDieCommon<InstructionBenchmark>(Filename);
}
std::vector<InstructionBenchmark>
InstructionBenchmark::readYamlsOrDie(llvm::StringRef Filename) {
return readYamlOrDieCommon<std::vector<InstructionBenchmark>>(Filename);
}
void InstructionBenchmark::writeYamlOrDie(const llvm::StringRef Filename) {
if (Filename == "-") {
llvm::yaml::Output Yout(llvm::outs());
Yout << *this;
} else {
llvm::SmallString<1024> Buffer;
llvm::raw_svector_ostream Ostr(Buffer);
llvm::yaml::Output Yout(Ostr);
Yout << *this;
std::unique_ptr<llvm::FileOutputBuffer> File =
llvm::cantFail(llvm::FileOutputBuffer::create(Filename, Buffer.size()));
memcpy(File->getBufferStart(), Buffer.data(), Buffer.size());
llvm::cantFail(File->commit());
}
}
} // namespace exegesis
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