Implement mcount profiling, enabled via -pg.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index fdc2b82..a1ae8b1 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1313,6 +1313,7 @@
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);
// -flax-vector-conversions is default.
if (!Args.hasFlag(options::OPT_flax_vector_conversions,
@@ -1743,13 +1744,10 @@
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
- // Explicitly warn that these options are unsupported, even though
- // we are allowing compilation to continue.
- for (arg_iterator it = Args.filtered_begin(options::OPT_pg),
- ie = Args.filtered_end(); it != ie; ++it) {
- (*it)->claim();
- D.Diag(clang::diag::warn_drv_clang_unsupported) << (*it)->getAsString(Args);
- }
+ if (Arg *A = Args.getLastArg(options::OPT_pg))
+ if (Args.hasArg(options::OPT_fomit_frame_pointer))
+ D.Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << "-fomit-frame-pointer" << A->getAsString(Args);
// Claim some arguments which clang supports automatically.