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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.

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llvm-svn: 107936
This commit is contained in:
Sebastian Redl
2010-07-09 00:00:58 +00:00
parent d5d2e50f3e
commit f4b0c4b946
4 changed files with 12 additions and 1 deletions
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3
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -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