forked from OSchip/llvm-project
543036a447
This method is very hot, it is called when emitting diagnostics, in -E mode and for many #pragma handlers. It scans through the whole source file to count newlines, records and caches them in a vector. The speedup from vectorization isn't very large, as we fall back to bytewise scanning when we hit a newline. There might be a way to avoid leaving the sse loop but everything I tried didn't work out because a call to push_back clobbers xmm registers. About 2% speedup on average on "clang -E > /dev/null" of all .cpp files in clang's lib/Sema. llvm-svn: 154204 |
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| .. | ||
| Builtins.cpp | ||
| CMakeLists.txt | ||
| ConvertUTF.c | ||
| Diagnostic.cpp | ||
| DiagnosticIDs.cpp | ||
| FileManager.cpp | ||
| FileSystemStatCache.cpp | ||
| IdentifierTable.cpp | ||
| LangOptions.cpp | ||
| Makefile | ||
| Module.cpp | ||
| SourceLocation.cpp | ||
| SourceManager.cpp | ||
| TargetInfo.cpp | ||
| Targets.cpp | ||
| TokenKinds.cpp | ||
| Version.cpp | ||
| VersionTuple.cpp | ||