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| author | Ted Kremenek <kremenek@apple.com> | 2012-09-13 06:41:18 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2012-09-13 06:41:18 +0000 |
| commit | 127ff2ea6440c3da4b47f9c8b3b190254a97e7b5 (patch) | |
| tree | d35146c4b5db3a3249711902fce355f32da6e1d0 /lib/Driver/Tools.cpp | |
| parent | dc6cc87ab68091a714526b391e2a1291d84d485e (diff) | |
Conditionally parse documentation comments in system headers by
passing -fretain-comments-from-system-headers. By default, the
compiler no longer parses such documentation comments, as they
can result in a noticeable compile time/PCH slowdown.
Fixes <rdar://problem/11860820>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163778 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index c10df6fc63..f26ed159d1 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -2785,6 +2785,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back(Args.MakeArgString(A->getValue(Args))); } + if (Args.hasArg(options::OPT_fretain_comments_from_system_headers)) + CmdArgs.push_back("-fretain-comments-from-system-headers"); + // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option // parser. Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); |