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Take DW_AT_comp_dir from $PWD when it's present and starts with a '/'. This is

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closer to what GCC does, except that GCC also checks that the inodes for $PWD
and '.' match.

llvm-svn: 142633
This commit is contained in:
Nick Lewycky
2011-10-21 02:32:14 +00:00
parent 8f07716139
commit ba743b75cb
7 changed files with 35 additions and 0 deletions
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5
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -131,6 +131,10 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
Res.push_back("-disable-llvm-optzns");
if (Opts.DisableRedZone)
Res.push_back("-disable-red-zone");
if (!Opts.DebugCompilationDir.empty()) {
Res.push_back("-fdebug-compilation-dir");
Res.push_back(Opts.DebugCompilationDir);
}
if (!Opts.DwarfDebugFlags.empty()) {
Res.push_back("-dwarf-debug-flags");
Res.push_back(Opts.DwarfDebugFlags);
@@ -1071,6 +1075,7 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
StringRef Name = A->getValue(Args);