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Driver/Darwin: Be bug compatible with GCC and ignore -pg on ARM. 

llvm-svn: 126767
This commit is contained in:
Daniel Dunbar 2011-03-01 18:49:30 +00:00
parent df26df726e
commit 733b0f87df
4 changed files with 16 additions and 3 deletions
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3
clang/include/clang/Driver/ToolChain.h
View File

@ -151,6 +151,9 @@ public:
/// particular PIC mode.
virtual const char *GetForcedPicModel() const = 0;
/// SupportsProfiling - Does this tool chain support -pg.
virtual bool SupportsProfiling() const { return true; }
/// Does this tool chain support Objective-C garbage collection.
virtual bool SupportsObjCGC() const { return false; }

5
clang/lib/Driver/ToolChains.cpp
View File

@ -918,6 +918,11 @@ const char *Darwin::GetForcedPicModel() const {
return 0;
}
bool Darwin::SupportsProfiling() const {
// Profiling instrumentation is only supported on x86.
return getArchName() == "i386" || getArchName() == "x86_64";
}
bool Darwin::SupportsObjCGC() const {
// Garbage collection is supported everywhere except on iPhone OS.
return !isTargetIPhoneOS();

2
clang/lib/Driver/ToolChains.h
View File

@ -212,6 +212,8 @@ public:
virtual const char *GetDefaultRelocationModel() const;
virtual const char *GetForcedPicModel() const;
virtual bool SupportsProfiling() const;
virtual bool SupportsObjCGC() const;
virtual bool UseDwarfDebugFlags() const;

9
clang/lib/Driver/Tools.cpp
View File

@ -1385,7 +1385,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
Args.AddLastArg(CmdArgs, options::OPT_flimit_debug_info);
Args.AddLastArg(CmdArgs, options::OPT_pg);
if (getToolChain().SupportsProfiling())
Args.AddLastArg(CmdArgs, options::OPT_pg);
// -flax-vector-conversions is default.
if (!Args.hasFlag(options::OPT_flax_vector_conversions,
@ -2184,7 +2185,8 @@ void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
if (Args.hasArg(options::OPT_v))
CmdArgs.push_back("-version");
if (Args.hasArg(options::OPT_pg))
if (Args.hasArg(options::OPT_pg) &&
getToolChain().SupportsProfiling())
CmdArgs.push_back("-p");
Args.AddLastArg(CmdArgs, options::OPT_p);
@ -2817,7 +2819,8 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
}
}
} else {
if (Args.hasArg(options::OPT_pg)) {
if (Args.hasArg(options::OPT_pg) &&
getToolChain().SupportsProfiling()) {
if (Args.hasArg(options::OPT_static) ||
Args.hasArg(options::OPT_object) ||
Args.hasArg(options::OPT_preload)) {