Make Driver flag experimental.

Created using spr 1.3.6-beta.1

Author: Prabhuk

clang/include/clang/Driver/Options.td

@@ -4440,9 +4440,9 @@ defm data_sections : BoolFOption<"data-sections",
   PosFlag<SetTrue, [], [ClangOption, CC1Option],
           "Place each data in its own section">,
   NegFlag<SetFalse>>;
-defm call_graph_section
-    : BoolFOption<"call-graph-section", CodeGenOpts<"CallGraphSection">,
-                  DefaultFalse,
+defm experimental_call_graph_section
+    : BoolFOption<"experimental-call-graph-section",
+                  CodeGenOpts<"CallGraphSection">, DefaultFalse,
                   PosFlag<SetTrue, [], [ClangOption, CC1Option],
                           "Emit a call graph section">,
                   NegFlag<SetFalse>>;

clang/lib/Driver/ToolChains/Clang.cpp

@@ -6478,9 +6478,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back(A->getValue());
   }
 
-  if (Args.hasFlag(options::OPT_fcall_graph_section,
-                   options::OPT_fno_call_graph_section, false))
-    CmdArgs.push_back("-fcall-graph-section");
+  if (Args.hasFlag(options::OPT_fexperimental_call_graph_section,
+                   options::OPT_fno_experimental_call_graph_section, false))
+    CmdArgs.push_back("-fexperimental-call-graph-section");
 
   Args.addOptInFlag(CmdArgs, options::OPT_fstack_size_section,
                     options::OPT_fno_stack_size_section);

clang/lib/Driver/ToolChains/CommonArgs.cpp

@@ -1269,8 +1269,8 @@ void tools::addLTOOptions(const ToolChain &ToolChain, const ArgList &Args,
     CmdArgs.push_back(
         Args.MakeArgString(Twine(PluginOptPrefix) + "-stack-size-section"));
 
-  if (Args.hasFlag(options::OPT_fcall_graph_section,
-                   options::OPT_fno_call_graph_section, false))
+  if (Args.hasFlag(options::OPT_fexperimental_call_graph_section,
+                   options::OPT_fno_experimental_call_graph_section, false))
     CmdArgs.push_back(
         Args.MakeArgString(Twine(PluginOptPrefix) + "-call-graph-section"));
 

clang/test/Driver/call-graph-section.c

@@ -1,5 +1,5 @@
-// RUN: %clang -### -fcall-graph-section %s 2>&1 | FileCheck --check-prefix=CALL-GRAPH-SECTION %s
-// RUN: %clang -### -fcall-graph-section -fno-call-graph-section %s 2>&1 | FileCheck --check-prefix=NO-CALL-GRAPH-SECTION %s
+// RUN: %clang -### -fexperimental-call-graph-section %s 2>&1 | FileCheck --check-prefix=CALL-GRAPH-SECTION %s
+// RUN: %clang -### -fexperimental-call-graph-section -fno-experimental-call-graph-section %s 2>&1 | FileCheck --check-prefix=NO-CALL-GRAPH-SECTION %s
 
-// CALL-GRAPH-SECTION: "-fcall-graph-section"
-// NO-CALL-GRAPH-SECTION-NOT: "-fcall-graph-section"
+// CALL-GRAPH-SECTION: "-fexperimental-call-graph-section"
+// NO-CALL-GRAPH-SECTION-NOT: "-fexperimental-call-graph-section"