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| author | Sebastian Redl <sebastian.redl@getdesigned.at> | 2010-07-09 00:00:58 +0000 |
|---|---|---|
| committer | Sebastian Redl <sebastian.redl@getdesigned.at> | 2010-07-09 00:00:58 +0000 |
| commit | f4b0c4b9464f509e46f2c6152e2b644101e61aa3 (patch) | |
| tree | 1a6725838c85856f14331d2d4f665adadbaf0e5f /clang/lib/Frontend | |
| parent | d5d2e50f3ed373cfc45a0406fb9cd70f5522a0eb (diff) | |
| download | bcm5719-llvm-f4b0c4b9464f509e46f2c6152e2b644101e61aa3.tar.gz bcm5719-llvm-f4b0c4b9464f509e46f2c6152e2b644101e61aa3.zip | |
Add a frontend option -chained-pch and don't pass an active PCH reader to the PCH writer if it is not set, preventing creation of chained PCH files. Since the reader is so far unused, effectively no functionality change.
llvm-svn: 107936
Diffstat (limited to 'clang/lib/Frontend')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 3 | ||||
| -rw-r--r-- | clang/lib/Frontend/FrontendActions.cpp | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 25203412559..239283a0cc5 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -353,6 +353,8 @@ static void FrontendOptsToArgs(const FrontendOptions &Opts, Res.push_back("-disable-free"); if (Opts.RelocatablePCH) Res.push_back("-relocatable-pch"); + if (Opts.ChainedPCH) + Res.push_back("-chained-pch"); if (Opts.ShowHelp) Res.push_back("-help"); if (Opts.ShowMacrosInCodeCompletion) @@ -1032,6 +1034,7 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Opts.OutputFile = Args.getLastArgValue(OPT_o); Opts.Plugins = Args.getAllArgValues(OPT_load); Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); + Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); Opts.ShowHelp = Args.hasArg(OPT_help); Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); Opts.ShowCodePatternsInCodeCompletion diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp index 400d35361c9..694cadcd13c 100644 --- a/clang/lib/Frontend/FrontendActions.cpp +++ b/clang/lib/Frontend/FrontendActions.cpp @@ -82,7 +82,9 @@ ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI, if (CI.getFrontendOpts().RelocatablePCH) return CreatePCHGenerator(CI.getPreprocessor(), OS, - CI.getPCHReader(), Sysroot.c_str()); + CI.getInvocation().getFrontendOpts().ChainedPCH ? + CI.getPCHReader() : 0, + Sysroot.c_str()); return CreatePCHGenerator(CI.getPreprocessor(), OS, CI.getPCHReader()); } |
