forked from OSchip/llvm-project
402 lines
16 KiB
C++
402 lines
16 KiB
C++
//===- unittests/Support/BitstreamRemarksParsingTest.cpp - Parsing tests --===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm-c/Remarks.h"
|
|
#include "llvm/Remarks/Remark.h"
|
|
#include "llvm/Remarks/RemarkParser.h"
|
|
#include "llvm/Remarks/RemarkSerializer.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
template <size_t N> void parseGood(const char (&Buf)[N]) {
|
|
// 1. Parse the YAML remark -> FromYAMLRemark
|
|
// 2. Serialize it to bitstream -> BSStream
|
|
// 3. Parse it back -> FromBSRemark
|
|
// 4. Compare the remark objects
|
|
//
|
|
// This testing methodology has the drawback of relying on both the YAML
|
|
// remark parser and the bitstream remark serializer. It does simplify
|
|
// testing a lot, since working directly with bitstream is not that easy.
|
|
|
|
// 1.
|
|
Expected<std::unique_ptr<remarks::RemarkParser>> MaybeParser =
|
|
remarks::createRemarkParser(remarks::Format::YAML, {Buf, N - 1});
|
|
EXPECT_FALSE(errorToBool(MaybeParser.takeError()));
|
|
EXPECT_TRUE(*MaybeParser != nullptr);
|
|
|
|
std::unique_ptr<remarks::Remark> FromYAMLRemark = nullptr;
|
|
remarks::RemarkParser &Parser = **MaybeParser;
|
|
Expected<std::unique_ptr<remarks::Remark>> Remark = Parser.next();
|
|
EXPECT_FALSE(errorToBool(Remark.takeError())); // Check for parsing errors.
|
|
EXPECT_TRUE(*Remark != nullptr); // At least one remark.
|
|
// Keep the previous remark around.
|
|
FromYAMLRemark = std::move(*Remark);
|
|
Remark = Parser.next();
|
|
Error E = Remark.takeError();
|
|
EXPECT_TRUE(E.isA<remarks::EndOfFileError>());
|
|
EXPECT_TRUE(errorToBool(std::move(E))); // Check for parsing errors.
|
|
|
|
// 2.
|
|
remarks::StringTable BSStrTab;
|
|
BSStrTab.internalize(*FromYAMLRemark);
|
|
std::string BSBuf;
|
|
raw_string_ostream BSStream(BSBuf);
|
|
Expected<std::unique_ptr<remarks::RemarkSerializer>> BSSerializer =
|
|
remarks::createRemarkSerializer(remarks::Format::Bitstream,
|
|
remarks::SerializerMode::Standalone,
|
|
BSStream, std::move(BSStrTab));
|
|
EXPECT_FALSE(errorToBool(BSSerializer.takeError()));
|
|
(*BSSerializer)->emit(*FromYAMLRemark);
|
|
|
|
// 3.
|
|
Expected<std::unique_ptr<remarks::RemarkParser>> MaybeBSParser =
|
|
remarks::createRemarkParser(remarks::Format::Bitstream, BSStream.str());
|
|
EXPECT_FALSE(errorToBool(MaybeBSParser.takeError()));
|
|
EXPECT_TRUE(*MaybeBSParser != nullptr);
|
|
|
|
std::unique_ptr<remarks::Remark> FromBSRemark = nullptr;
|
|
remarks::RemarkParser &BSParser = **MaybeBSParser;
|
|
Expected<std::unique_ptr<remarks::Remark>> BSRemark = BSParser.next();
|
|
EXPECT_FALSE(errorToBool(BSRemark.takeError())); // Check for parsing errors.
|
|
EXPECT_TRUE(*BSRemark != nullptr); // At least one remark.
|
|
// Keep the previous remark around.
|
|
FromBSRemark = std::move(*BSRemark);
|
|
BSRemark = BSParser.next();
|
|
Error BSE = BSRemark.takeError();
|
|
EXPECT_TRUE(BSE.isA<remarks::EndOfFileError>());
|
|
EXPECT_TRUE(errorToBool(std::move(BSE))); // Check for parsing errors.
|
|
|
|
EXPECT_EQ(*FromYAMLRemark, *FromBSRemark);
|
|
}
|
|
|
|
TEST(BitstreamRemarks, ParsingGood) {
|
|
parseGood("\n"
|
|
"--- !Missed\n"
|
|
"Pass: inline\n"
|
|
"Name: NoDefinition\n"
|
|
"DebugLoc: { File: file.c, Line: 3, Column: 12 }\n"
|
|
"Function: foo\n"
|
|
"Args:\n"
|
|
" - Callee: bar\n"
|
|
" - String: ' will not be inlined into '\n"
|
|
" - Caller: foo\n"
|
|
" DebugLoc: { File: file.c, Line: 2, Column: 0 }\n"
|
|
" - String: ' because its definition is unavailable'\n"
|
|
"");
|
|
|
|
// No debug loc should also pass.
|
|
parseGood("\n"
|
|
"--- !Missed\n"
|
|
"Pass: inline\n"
|
|
"Name: NoDefinition\n"
|
|
"Function: foo\n"
|
|
"Args:\n"
|
|
" - Callee: bar\n"
|
|
" - String: ' will not be inlined into '\n"
|
|
" - Caller: foo\n"
|
|
" DebugLoc: { File: file.c, Line: 2, Column: 0 }\n"
|
|
" - String: ' because its definition is unavailable'\n"
|
|
"");
|
|
|
|
// No args is also ok.
|
|
parseGood("\n"
|
|
"--- !Missed\n"
|
|
"Pass: inline\n"
|
|
"Name: NoDefinition\n"
|
|
"DebugLoc: { File: file.c, Line: 3, Column: 12 }\n"
|
|
"Function: foo\n"
|
|
"");
|
|
}
|
|
|
|
// Mandatory common part of a remark.
|
|
#define COMMON_REMARK "\nPass: inline\nName: NoDefinition\nFunction: foo\n\n"
|
|
// Test all the types.
|
|
TEST(BitstreamRemarks, ParsingTypes) {
|
|
// Type: Passed
|
|
parseGood("--- !Passed" COMMON_REMARK);
|
|
// Type: Missed
|
|
parseGood("--- !Missed" COMMON_REMARK);
|
|
// Type: Analysis
|
|
parseGood("--- !Analysis" COMMON_REMARK);
|
|
// Type: AnalysisFPCommute
|
|
parseGood("--- !AnalysisFPCommute" COMMON_REMARK);
|
|
// Type: AnalysisAliasing
|
|
parseGood("--- !AnalysisAliasing" COMMON_REMARK);
|
|
// Type: Failure
|
|
parseGood("--- !Failure" COMMON_REMARK);
|
|
}
|
|
#undef COMMON_REMARK
|
|
|
|
static inline StringRef checkStr(StringRef Str, unsigned ExpectedLen) {
|
|
const char *StrData = Str.data();
|
|
unsigned StrLen = Str.size();
|
|
EXPECT_EQ(StrLen, ExpectedLen);
|
|
return StringRef(StrData, StrLen);
|
|
}
|
|
|
|
TEST(BitstreamRemarks, Contents) {
|
|
StringRef Buf = "\n"
|
|
"--- !Missed\n"
|
|
"Pass: inline\n"
|
|
"Name: NoDefinition\n"
|
|
"DebugLoc: { File: file.c, Line: 3, Column: 12 }\n"
|
|
"Function: foo\n"
|
|
"Hotness: 4\n"
|
|
"Args:\n"
|
|
" - Callee: bar\n"
|
|
" - String: ' will not be inlined into '\n"
|
|
" - Caller: foo\n"
|
|
" DebugLoc: { File: file.c, Line: 2, Column: 0 }\n"
|
|
" - String: ' because its definition is unavailable'\n"
|
|
"\n";
|
|
|
|
Expected<std::unique_ptr<remarks::RemarkParser>> MaybeParser =
|
|
remarks::createRemarkParser(remarks::Format::YAML, Buf);
|
|
EXPECT_FALSE(errorToBool(MaybeParser.takeError()));
|
|
EXPECT_TRUE(*MaybeParser != nullptr);
|
|
|
|
remarks::RemarkParser &Parser = **MaybeParser;
|
|
Expected<std::unique_ptr<remarks::Remark>> MaybeRemark = Parser.next();
|
|
EXPECT_FALSE(
|
|
errorToBool(MaybeRemark.takeError())); // Check for parsing errors.
|
|
EXPECT_TRUE(*MaybeRemark != nullptr); // At least one remark.
|
|
|
|
const remarks::Remark &Remark = **MaybeRemark;
|
|
EXPECT_EQ(Remark.RemarkType, remarks::Type::Missed);
|
|
EXPECT_EQ(checkStr(Remark.PassName, 6), "inline");
|
|
EXPECT_EQ(checkStr(Remark.RemarkName, 12), "NoDefinition");
|
|
EXPECT_EQ(checkStr(Remark.FunctionName, 3), "foo");
|
|
EXPECT_TRUE(Remark.Loc);
|
|
const remarks::RemarkLocation &RL = *Remark.Loc;
|
|
EXPECT_EQ(checkStr(RL.SourceFilePath, 6), "file.c");
|
|
EXPECT_EQ(RL.SourceLine, 3U);
|
|
EXPECT_EQ(RL.SourceColumn, 12U);
|
|
EXPECT_TRUE(Remark.Hotness);
|
|
EXPECT_EQ(*Remark.Hotness, 4U);
|
|
EXPECT_EQ(Remark.Args.size(), 4U);
|
|
|
|
unsigned ArgID = 0;
|
|
for (const remarks::Argument &Arg : Remark.Args) {
|
|
switch (ArgID) {
|
|
case 0:
|
|
EXPECT_EQ(checkStr(Arg.Key, 6), "Callee");
|
|
EXPECT_EQ(checkStr(Arg.Val, 3), "bar");
|
|
EXPECT_FALSE(Arg.Loc);
|
|
break;
|
|
case 1:
|
|
EXPECT_EQ(checkStr(Arg.Key, 6), "String");
|
|
EXPECT_EQ(checkStr(Arg.Val, 26), " will not be inlined into ");
|
|
EXPECT_FALSE(Arg.Loc);
|
|
break;
|
|
case 2: {
|
|
EXPECT_EQ(checkStr(Arg.Key, 6), "Caller");
|
|
EXPECT_EQ(checkStr(Arg.Val, 3), "foo");
|
|
EXPECT_TRUE(Arg.Loc);
|
|
const remarks::RemarkLocation &RL = *Arg.Loc;
|
|
EXPECT_EQ(checkStr(RL.SourceFilePath, 6), "file.c");
|
|
EXPECT_EQ(RL.SourceLine, 2U);
|
|
EXPECT_EQ(RL.SourceColumn, 0U);
|
|
break;
|
|
}
|
|
case 3:
|
|
EXPECT_EQ(checkStr(Arg.Key, 6), "String");
|
|
EXPECT_EQ(checkStr(Arg.Val, 38),
|
|
" because its definition is unavailable");
|
|
EXPECT_FALSE(Arg.Loc);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
++ArgID;
|
|
}
|
|
|
|
MaybeRemark = Parser.next();
|
|
Error E = MaybeRemark.takeError();
|
|
EXPECT_TRUE(E.isA<remarks::EndOfFileError>());
|
|
EXPECT_TRUE(errorToBool(std::move(E))); // Check for parsing errors.
|
|
}
|
|
|
|
static inline StringRef checkStr(LLVMRemarkStringRef Str,
|
|
unsigned ExpectedLen) {
|
|
const char *StrData = LLVMRemarkStringGetData(Str);
|
|
unsigned StrLen = LLVMRemarkStringGetLen(Str);
|
|
EXPECT_EQ(StrLen, ExpectedLen);
|
|
return StringRef(StrData, StrLen);
|
|
}
|
|
|
|
TEST(BitstreamRemarks, ContentsCAPI) {
|
|
remarks::StringTable BSStrTab;
|
|
remarks::Remark ToSerializeRemark;
|
|
ToSerializeRemark.RemarkType = remarks::Type::Missed;
|
|
ToSerializeRemark.PassName = "inline";
|
|
ToSerializeRemark.RemarkName = "NoDefinition";
|
|
ToSerializeRemark.FunctionName = "foo";
|
|
ToSerializeRemark.Loc = remarks::RemarkLocation{"file.c", 3, 12};
|
|
ToSerializeRemark.Hotness = 0;
|
|
ToSerializeRemark.Args.emplace_back();
|
|
ToSerializeRemark.Args.back().Key = "Callee";
|
|
ToSerializeRemark.Args.back().Val = "bar";
|
|
ToSerializeRemark.Args.emplace_back();
|
|
ToSerializeRemark.Args.back().Key = "String";
|
|
ToSerializeRemark.Args.back().Val = " will not be inlined into ";
|
|
ToSerializeRemark.Args.emplace_back();
|
|
ToSerializeRemark.Args.back().Key = "Caller";
|
|
ToSerializeRemark.Args.back().Val = "foo";
|
|
ToSerializeRemark.Args.back().Loc = remarks::RemarkLocation{"file.c", 2, 0};
|
|
ToSerializeRemark.Args.emplace_back();
|
|
ToSerializeRemark.Args.back().Key = "String";
|
|
ToSerializeRemark.Args.back().Val = " because its definition is unavailable";
|
|
BSStrTab.internalize(ToSerializeRemark);
|
|
std::string BSBuf;
|
|
raw_string_ostream BSStream(BSBuf);
|
|
Expected<std::unique_ptr<remarks::RemarkSerializer>> BSSerializer =
|
|
remarks::createRemarkSerializer(remarks::Format::Bitstream,
|
|
remarks::SerializerMode::Standalone,
|
|
BSStream, std::move(BSStrTab));
|
|
EXPECT_FALSE(errorToBool(BSSerializer.takeError()));
|
|
(*BSSerializer)->emit(ToSerializeRemark);
|
|
|
|
StringRef Buf = BSStream.str();
|
|
LLVMRemarkParserRef Parser =
|
|
LLVMRemarkParserCreateBitstream(Buf.data(), Buf.size());
|
|
LLVMRemarkEntryRef Remark = LLVMRemarkParserGetNext(Parser);
|
|
EXPECT_FALSE(Remark == nullptr);
|
|
EXPECT_EQ(LLVMRemarkEntryGetType(Remark), LLVMRemarkTypeMissed);
|
|
EXPECT_EQ(checkStr(LLVMRemarkEntryGetPassName(Remark), 6), "inline");
|
|
EXPECT_EQ(checkStr(LLVMRemarkEntryGetRemarkName(Remark), 12), "NoDefinition");
|
|
EXPECT_EQ(checkStr(LLVMRemarkEntryGetFunctionName(Remark), 3), "foo");
|
|
LLVMRemarkDebugLocRef DL = LLVMRemarkEntryGetDebugLoc(Remark);
|
|
EXPECT_EQ(checkStr(LLVMRemarkDebugLocGetSourceFilePath(DL), 6), "file.c");
|
|
EXPECT_EQ(LLVMRemarkDebugLocGetSourceLine(DL), 3U);
|
|
EXPECT_EQ(LLVMRemarkDebugLocGetSourceColumn(DL), 12U);
|
|
EXPECT_EQ(LLVMRemarkEntryGetHotness(Remark), 0U);
|
|
EXPECT_EQ(LLVMRemarkEntryGetNumArgs(Remark), 4U);
|
|
|
|
unsigned ArgID = 0;
|
|
LLVMRemarkArgRef Arg = LLVMRemarkEntryGetFirstArg(Remark);
|
|
do {
|
|
switch (ArgID) {
|
|
case 0:
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "Callee");
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 3), "bar");
|
|
EXPECT_EQ(LLVMRemarkArgGetDebugLoc(Arg), nullptr);
|
|
break;
|
|
case 1:
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "String");
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 26),
|
|
" will not be inlined into ");
|
|
EXPECT_EQ(LLVMRemarkArgGetDebugLoc(Arg), nullptr);
|
|
break;
|
|
case 2: {
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "Caller");
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 3), "foo");
|
|
LLVMRemarkDebugLocRef DL = LLVMRemarkArgGetDebugLoc(Arg);
|
|
EXPECT_EQ(checkStr(LLVMRemarkDebugLocGetSourceFilePath(DL), 6), "file.c");
|
|
EXPECT_EQ(LLVMRemarkDebugLocGetSourceLine(DL), 2U);
|
|
EXPECT_EQ(LLVMRemarkDebugLocGetSourceColumn(DL), 0U);
|
|
break;
|
|
}
|
|
case 3:
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "String");
|
|
EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 38),
|
|
" because its definition is unavailable");
|
|
EXPECT_EQ(LLVMRemarkArgGetDebugLoc(Arg), nullptr);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
++ArgID;
|
|
} while ((Arg = LLVMRemarkEntryGetNextArg(Arg, Remark)));
|
|
|
|
LLVMRemarkEntryDispose(Remark);
|
|
|
|
EXPECT_EQ(LLVMRemarkParserGetNext(Parser), nullptr);
|
|
|
|
EXPECT_FALSE(LLVMRemarkParserHasError(Parser));
|
|
LLVMRemarkParserDispose(Parser);
|
|
}
|
|
|
|
static void parseBad(StringRef Input, const char *ErrorMsg) {
|
|
Expected<std::unique_ptr<remarks::RemarkParser>> MaybeBSParser =
|
|
remarks::createRemarkParser(remarks::Format::Bitstream, Input);
|
|
EXPECT_FALSE(errorToBool(MaybeBSParser.takeError()));
|
|
EXPECT_TRUE(*MaybeBSParser != nullptr);
|
|
|
|
remarks::RemarkParser &BSParser = **MaybeBSParser;
|
|
Expected<std::unique_ptr<remarks::Remark>> BSRemark = BSParser.next();
|
|
EXPECT_EQ(ErrorMsg, toString(BSRemark.takeError())); // Expect an error.
|
|
}
|
|
|
|
TEST(BitstreamRemarks, ParsingEmpty) {
|
|
parseBad(StringRef(), "End of file reached.");
|
|
}
|
|
|
|
TEST(BitstreamRemarks, ParsingBadMagic) {
|
|
parseBad("KRMR", "Unknown magic number: expecting RMRK, got KRMR.");
|
|
}
|
|
|
|
// Testing malformed bitstream is not easy. We would need to replace bytes in
|
|
// the stream to create malformed and unknown records and blocks. There is no
|
|
// textual format for bitstream that can be decoded, modified and encoded
|
|
// back.
|
|
|
|
// FIXME: Add tests for the following error messages:
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
|
// (RECORD_META_CONTAINER_INFO).
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
|
// (RECORD_META_REMARK_VERSION).
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
|
// (RECORD_META_STRTAB).
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
|
// (RECORD_META_EXTERNAL_FILE).
|
|
// * Error while parsing META_BLOCK: unknown record entry (NUM).
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
|
// (RECORD_REMARK_HEADER).
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
|
// (RECORD_REMARK_DEBUG_LOC).
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
|
// (RECORD_REMARK_HOTNESS).
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
|
// (RECORD_REMARK_ARG_WITH_DEBUGLOC).
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
|
// (RECORD_REMARK_ARG_WITHOUT_DEBUGLOC).
|
|
// * Error while parsing REMARK_BLOCK: unknown record entry (NUM).
|
|
// * Error while parsing META_BLOCK: expecting [ENTER_SUBBLOCO, META_BLOCK,
|
|
// ...].
|
|
// * Error while entering META_BLOCK.
|
|
// * Error while parsing META_BLOCK: expecting records.
|
|
// * Error while parsing META_BLOCK: unterminated block.
|
|
// * Error while parsing REMARK_BLOCK: expecting [ENTER_SUBBLOCO, REMARK_BLOCK,
|
|
// ...].
|
|
// * Error while entering REMARK_BLOCK.
|
|
// * Error while parsing REMARK_BLOCK: expecting records.
|
|
// * Error while parsing REMARK_BLOCK: unterminated block.
|
|
// * Error while parsing BLOCKINFO_BLOCK: expecting [ENTER_SUBBLOCK,
|
|
// BLOCKINFO_BLOCK, ...].
|
|
// * Error while parsing BLOCKINFO_BLOCK.
|
|
// * Unexpected error while parsing bitstream.
|
|
// * Expecting META_BLOCK after the BLOCKINFO_BLOCK.
|
|
// * Error while parsing BLOCK_META: missing container version.
|
|
// * Error while parsing BLOCK_META: invalid container type.
|
|
// * Error while parsing BLOCK_META: missing container type.
|
|
// * Error while parsing BLOCK_META: missing string table.
|
|
// * Error while parsing BLOCK_META: missing remark version.
|
|
// * Error while parsing BLOCK_META: missing external file path.
|
|
// * Error while parsing external file's BLOCK_META: wrong container type.
|
|
// * Error while parsing external file's BLOCK_META: mismatching versions:
|
|
// original meta: NUM, external file meta: NUM.
|
|
// * Error while parsing BLOCK_REMARK: missing string table.
|
|
// * Error while parsing BLOCK_REMARK: missing remark type.
|
|
// * Error while parsing BLOCK_REMARK: unknown remark type.
|
|
// * Error while parsing BLOCK_REMARK: missing remark name.
|
|
// * Error while parsing BLOCK_REMARK: missing remark pass.
|
|
// * Error while parsing BLOCK_REMARK: missing remark function name.
|
|
// * Error while parsing BLOCK_REMARK: missing key in remark argument.
|
|
// * Error while parsing BLOCK_REMARK: missing value in remark argument.
|