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This patch implements input annotations for diagnostics that report wrong-line matches for the directives CHECK-NEXT, CHECK-SAME, and CHECK-EMPTY. Instead of the usual `^~~`, which is used by later patches for good matches, these annotations use `!~~` to mark the bad match ranges so that this category of errors is visually distinct. Because such matches are errors, these annotates are red when colors are enabled. For example: ``` $ FileCheck -dump-input=help The following description was requested by -dump-input=help to explain the input annotations printed by -dump-input=always and -dump-input=fail: - L: labels line number L of the input file - T:L labels the only match result for a pattern of type T from line L of the check file - T:L'N labels the Nth match result for a pattern of type T from line L of the check file - !~~ marks bad match, such as: - CHECK-NEXT on same line as previous match (error) - X~~ marks search range when no match is found, such as: - CHECK-NEXT not found (error) - ? marks fuzzy match when no match is found - colors error, fuzzy match If you are not seeing color above or in input dumps, try: -color $ FileCheck -v -dump-input=always check2 < input2 |& sed -n '/^<<<</,$p' <<<<<< 1: foo bar next:2 !~~ error: match on wrong line >>>>>> $ cat check2 CHECK: foo CHECK-NEXT: bar $ cat input2 foo bar ``` Reviewed By: george.karpenkov, probinson Differential Revision: https://reviews.llvm.org/D53894 llvm-svn: 349420 |
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.. | ||
Unix | ||
Windows | ||
AArch64TargetParser.cpp | ||
Allocator.cpp | ||
AMDGPUMetadata.cpp | ||
APFloat.cpp | ||
APInt.cpp | ||
APSInt.cpp | ||
ARMAttributeParser.cpp | ||
ARMBuildAttrs.cpp | ||
ARMTargetParser.cpp | ||
ARMWinEH.cpp | ||
Atomic.cpp | ||
BinaryStreamError.cpp | ||
BinaryStreamReader.cpp | ||
BinaryStreamRef.cpp | ||
BinaryStreamWriter.cpp | ||
BlockFrequency.cpp | ||
BranchProbability.cpp | ||
BuryPointer.cpp | ||
CachePruning.cpp | ||
Chrono.cpp | ||
circular_raw_ostream.cpp | ||
CMakeLists.txt | ||
CodeGenCoverage.cpp | ||
COM.cpp | ||
CommandLine.cpp | ||
Compression.cpp | ||
ConvertUTF.cpp | ||
ConvertUTFWrapper.cpp | ||
COPYRIGHT.regex | ||
CrashRecoveryContext.cpp | ||
DAGDeltaAlgorithm.cpp | ||
DataExtractor.cpp | ||
Debug.cpp | ||
DebugCounter.cpp | ||
DeltaAlgorithm.cpp | ||
DJB.cpp | ||
DynamicLibrary.cpp | ||
Errno.cpp | ||
Error.cpp | ||
ErrorHandling.cpp | ||
FileCheck.cpp | ||
FileOutputBuffer.cpp | ||
FileUtilities.cpp | ||
FoldingSet.cpp | ||
FormattedStream.cpp | ||
FormatVariadic.cpp | ||
GlobPattern.cpp | ||
GraphWriter.cpp | ||
Hashing.cpp | ||
Host.cpp | ||
InitLLVM.cpp | ||
IntEqClasses.cpp | ||
IntervalMap.cpp | ||
ItaniumManglingCanonicalizer.cpp | ||
JamCRC.cpp | ||
JSON.cpp | ||
KnownBits.cpp | ||
LEB128.cpp | ||
LineIterator.cpp | ||
LLVMBuild.txt | ||
Locale.cpp | ||
LockFileManager.cpp | ||
LowLevelType.cpp | ||
ManagedStatic.cpp | ||
MathExtras.cpp | ||
MD5.cpp | ||
Memory.cpp | ||
MemoryBuffer.cpp | ||
Mutex.cpp | ||
NativeFormatting.cpp | ||
Options.cpp | ||
Parallel.cpp | ||
Path.cpp | ||
PluginLoader.cpp | ||
PrettyStackTrace.cpp | ||
Process.cpp | ||
Program.cpp | ||
RandomNumberGenerator.cpp | ||
raw_os_ostream.cpp | ||
raw_ostream.cpp | ||
README.txt.system | ||
regcomp.c | ||
regengine.inc | ||
regerror.c | ||
regex2.h | ||
regex_impl.h | ||
Regex.cpp | ||
regexec.c | ||
regfree.c | ||
regstrlcpy.c | ||
regutils.h | ||
RWMutex.cpp | ||
ScaledNumber.cpp | ||
ScopedPrinter.cpp | ||
SHA1.cpp | ||
Signals.cpp | ||
SmallPtrSet.cpp | ||
SmallVector.cpp | ||
SourceMgr.cpp | ||
SpecialCaseList.cpp | ||
Statistic.cpp | ||
StringExtras.cpp | ||
StringMap.cpp | ||
StringPool.cpp | ||
StringRef.cpp | ||
StringSaver.cpp | ||
SymbolRemappingReader.cpp | ||
SystemUtils.cpp | ||
TargetParser.cpp | ||
TargetRegistry.cpp | ||
TarWriter.cpp | ||
Threading.cpp | ||
ThreadLocal.cpp | ||
ThreadPool.cpp | ||
Timer.cpp | ||
ToolOutputFile.cpp | ||
TrigramIndex.cpp | ||
Triple.cpp | ||
Twine.cpp | ||
Unicode.cpp | ||
UnicodeCaseFold.cpp | ||
Valgrind.cpp | ||
VersionTuple.cpp | ||
VirtualFileSystem.cpp | ||
Watchdog.cpp | ||
WithColor.cpp | ||
xxhash.cpp | ||
YAMLParser.cpp | ||
YAMLTraits.cpp |
Design Of lib/System ==================== The software in this directory is designed to completely shield LLVM from any and all operating system specific functionality. It is not intended to be a complete operating system wrapper (such as ACE), but only to provide the functionality necessary to support LLVM. The software located here, of necessity, has very specific and stringent design rules. Violation of these rules means that cracks in the shield could form and the primary goal of the library is defeated. By consistently using this library, LLVM becomes more easily ported to new platforms since the only thing requiring porting is this library. Complete documentation for the library can be found in the file: llvm/docs/SystemLibrary.html or at this URL: http://llvm.org/docs/SystemLibrary.html While we recommend that you read the more detailed documentation, for the impatient, here's a high level summary of the library's requirements. 1. No system header files are to be exposed through the interface. 2. Std C++ and Std C header files are okay to be exposed through the interface. 3. No exposed system-specific functions. 4. No exposed system-specific data. 5. Data in lib/System classes must use only simple C++ intrinsic types. 6. Errors are handled by returning "true" and setting an optional std::string 7. Library must not throw any exceptions, period. 8. Interface functions must not have throw() specifications. 9. No duplicate function impementations are permitted within an operating system class. To accomplish these requirements, the library has numerous design criteria that must be satisfied. Here's a high level summary of the library's design criteria: 1. No unused functionality (only what LLVM needs) 2. High-Level Interfaces 3. Use Opaque Classes 4. Common Implementations 5. Multiple Implementations 6. Minimize Memory Allocation 7. No Virtual Methods