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75722a7d1f
Add a new serializer, using a binary format based on the LLVM bitstream format. This format provides a way to serialize the remarks in two modes: 1) Separate mode: the metadata is separate from the remark entries. 2) Standalone mode: the metadata and the remark entries are in the same file. The format contains: * a meta block: container version, container type, string table, external file path, remark version * a remark block: type, remark name, pass name, function name, debug file, debug line, debug column, hotness, arguments (key, value, debug file, debug line, debug column) A string table is required for this format, which will be dumped in the meta block to be consumed before parsing the remark blocks. On clang itself, we noticed a size reduction of 13.4x compared to YAML, and a compile-time reduction of between 1.7% and 3.5% on CTMark. Differential Revision: https://reviews.llvm.org/D63466 Original llvm-svn: 367364 Revert llvm-svn: 367370 llvm-svn: 367372
342 lines
13 KiB
C++
342 lines
13 KiB
C++
//===- unittest/Support/BitstreamRemarksSerializerTest.cpp ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Bitcode/BitcodeAnalyzer.h"
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#include "llvm/Remarks/BitstreamRemarkSerializer.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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#include <string>
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// We need to supprt Windows paths as well. In order to have paths with the same
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// length, use a different path according to the platform.
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#ifdef _WIN32
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#define EXTERNALFILETESTPATH "C:/externalfi"
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#else
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#define EXTERNALFILETESTPATH "/externalfile"
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#endif
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using namespace llvm;
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static void checkAnalyze(StringRef Input, StringRef Expected) {
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std::string OutputBuf;
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raw_string_ostream OutputOS(OutputBuf);
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BCDumpOptions O(OutputOS);
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O.ShowBinaryBlobs = true;
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BitcodeAnalyzer BA(Input);
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EXPECT_FALSE(BA.analyze(O)); // Expect no errors.
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EXPECT_EQ(OutputOS.str(), Expected);
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}
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static void check(remarks::SerializerMode Mode, const remarks::Remark &R,
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StringRef ExpectedR, Optional<StringRef> ExpectedMeta,
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Optional<remarks::StringTable> StrTab) {
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// Emit the remark.
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std::string InputBuf;
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raw_string_ostream InputOS(InputBuf);
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Expected<std::unique_ptr<remarks::RemarkSerializer>> MaybeSerializer = [&] {
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if (StrTab)
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return createRemarkSerializer(remarks::Format::Bitstream, Mode, InputOS,
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std::move(*StrTab));
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else
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return createRemarkSerializer(remarks::Format::Bitstream, Mode, InputOS);
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}();
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EXPECT_FALSE(errorToBool(MaybeSerializer.takeError()));
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std::unique_ptr<remarks::RemarkSerializer> Serializer =
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std::move(*MaybeSerializer);
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Serializer->emit(R);
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// Analyze the serialized remark.
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checkAnalyze(InputOS.str(), ExpectedR);
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// Analyze the serialized metadata if it's not in standalone mode.
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if (ExpectedMeta) {
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std::string MetaBuf;
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raw_string_ostream MetaOS(MetaBuf);
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std::unique_ptr<remarks::MetaSerializer> MetaSerializer =
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Serializer->metaSerializer(MetaOS, StringRef(EXTERNALFILETESTPATH));
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MetaSerializer->emit();
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checkAnalyze(MetaOS.str(), *ExpectedMeta);
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}
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}
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static void check(const remarks::Remark &R, StringRef ExpectedR,
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StringRef ExpectedMeta,
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Optional<remarks::StringTable> StrTab = None) {
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return check(remarks::SerializerMode::Separate, R, ExpectedR, ExpectedMeta,
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std::move(StrTab));
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}
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static void checkStandalone(const remarks::Remark &R, StringRef ExpectedR,
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Optional<remarks::StringTable> StrTab = None) {
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return check(remarks::SerializerMode::Standalone, R, ExpectedR,
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/*ExpectedMeta=*/None, std::move(StrTab));
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileNoOptionals) {
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=1 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=0 op2=1 op3=2/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=14 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'remark\\x00pass\\x00function\\x00'\n"
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" <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n");
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileNoOptionalsSeparateStrTab) {
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remarks::StringTable StrTab;
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StrTab.add("function");
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StrTab.add("pass");
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StrTab.add("remark");
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=1 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=2 op2=1 op3=0/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=14 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'function\\x00pass\\x00remark\\x00'\n"
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" <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n",
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std::move(StrTab));
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileDebugLoc) {
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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R.Loc.emplace();
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R.Loc->SourceFilePath = "path";
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R.Loc->SourceLine = 99;
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R.Loc->SourceColumn = 55;
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=4 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=0 op2=1 op3=2/>\n"
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" <Remark debug location codeid=6 abbrevid=5 op0=3 op1=99 op2=55/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=15 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'remark\\x00pass\\x00function\\x00path\\x00'\n"
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" <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n");
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileHotness) {
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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R.Hotness.emplace(999999999);
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=3 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=0 op2=1 op3=2/>\n"
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" <Remark hotness codeid=7 abbrevid=6 op0=999999999/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=14 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'remark\\x00pass\\x00function\\x00'\n"
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" <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n");
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileArgNoDebugLoc) {
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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R.Args.emplace_back();
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R.Args.back().Key = "key";
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R.Args.back().Val = "value";
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=2 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=0 op2=1 op3=2/>\n"
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" <Argument codeid=9 abbrevid=8 op0=3 op1=4/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=16 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'remark\\x00pass\\x00function\\x00key\\x00value\\x00'\n"
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" <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n");
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileArgDebugLoc) {
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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R.Args.emplace_back();
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R.Args.back().Key = "key";
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R.Args.back().Val = "value";
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R.Args.back().Loc.emplace();
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R.Args.back().Loc->SourceFilePath = "path";
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R.Args.back().Loc->SourceLine = 99;
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R.Args.back().Loc->SourceColumn = 55;
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=4 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=0 op2=1 op3=2/>\n"
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" <Argument with debug location codeid=8 abbrevid=7 op0=3 op1=4 op2=5 "
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"op3=99 op4=55/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=17 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'remark\\x00pass\\x00function\\x00key\\x00value\\x00path\\x00'\n"
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" <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n");
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}
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TEST(BitstreamRemarkSerializer, SeparateRemarkFileAll) {
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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R.Loc.emplace();
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R.Loc->SourceFilePath = "path";
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R.Loc->SourceLine = 99;
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R.Loc->SourceColumn = 55;
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R.Hotness.emplace(999999999);
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R.Args.emplace_back();
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R.Args.back().Key = "key";
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R.Args.back().Val = "value";
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R.Args.back().Loc.emplace();
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R.Args.back().Loc->SourceFilePath = "argpath";
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R.Args.back().Loc->SourceLine = 11;
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R.Args.back().Loc->SourceColumn = 66;
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check(R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=3 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=1/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=8 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=0 op2=1 op3=2/>\n"
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" <Remark debug location codeid=6 abbrevid=5 op0=3 op1=99 op2=55/>\n"
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" <Remark hotness codeid=7 abbrevid=6 op0=999999999/>\n"
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" <Argument with debug location codeid=8 abbrevid=7 op0=4 op1=5 op2=6 "
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"op3=11 op4=66/>\n"
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"</Remark>\n",
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=19 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=0/>\n"
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" <String table codeid=3 abbrevid=5/> blob data = "
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"'remark\\x00pass\\x00function\\x00path\\x00key\\x00value\\x00argpa"
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"th\\x00'\n <External File codeid=4 abbrevid=6/> blob data = "
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"'" EXTERNALFILETESTPATH"'\n"
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"</Meta>\n");
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}
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TEST(BitstreamRemarkSerializer, Standalone) {
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// Pre-populate the string table.
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remarks::StringTable StrTab;
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StrTab.add("pass");
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StrTab.add("remark");
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StrTab.add("function");
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StrTab.add("path");
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StrTab.add("key");
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StrTab.add("value");
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StrTab.add("argpath");
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remarks::Remark R;
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R.RemarkType = remarks::Type::Missed;
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R.PassName = "pass";
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R.RemarkName = "remark";
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R.FunctionName = "function";
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R.Loc.emplace();
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R.Loc->SourceFilePath = "path";
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R.Loc->SourceLine = 99;
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R.Loc->SourceColumn = 55;
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R.Hotness.emplace(999999999);
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R.Args.emplace_back();
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R.Args.back().Key = "key";
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R.Args.back().Val = "value";
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R.Args.back().Loc.emplace();
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R.Args.back().Loc->SourceFilePath = "argpath";
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R.Args.back().Loc->SourceLine = 11;
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R.Args.back().Loc->SourceColumn = 66;
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checkStandalone(
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R,
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"<BLOCKINFO_BLOCK/>\n"
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"<Meta BlockID=8 NumWords=15 BlockCodeSize=3>\n"
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" <Container info codeid=1 abbrevid=4 op0=0 op1=2/>\n"
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" <Remark version codeid=2 abbrevid=5 op0=0/>\n"
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" <String table codeid=3 abbrevid=6/> blob data = "
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"'pass\\x00remark\\x00function\\x00path\\x00key\\x00value\\x00argpath\\x0"
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"0'\n"
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"</Meta>\n"
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"<Remark BlockID=9 NumWords=8 BlockCodeSize=4>\n"
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" <Remark header codeid=5 abbrevid=4 op0=2 op1=1 op2=0 op3=2/>\n"
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" <Remark debug location codeid=6 abbrevid=5 op0=3 op1=99 op2=55/>\n"
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" <Remark hotness codeid=7 abbrevid=6 op0=999999999/>\n"
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" <Argument with debug location codeid=8 abbrevid=7 op0=4 op1=5 op2=6 "
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"op3=11 op4=66/>\n"
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"</Remark>\n",
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std::move(StrTab));
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}
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