Make -fstandalone-debug and -flimit-debug-info available in clang-cl

Our limited debug info optimizations are breaking down at DLL
boundaries, so we're going to evaluate the size impact of these
settings, and possibly change the default.

Users should be able to override our settings, though.

llvm-svn: 281056

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index d185caf..32d3fb4 100644 (file)
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -1138,12 +1138,12 @@ def fstack_protector_strong : Flag<["-"], "fstack-protector-strong">, Group<f_Gr
   HelpText<"Use a strong heuristic to apply stack protectors to functions">;
 def fstack_protector : Flag<["-"], "fstack-protector">, Group<f_Group>,
   HelpText<"Enable stack protectors for functions potentially vulnerable to stack smashing">;
-def fstandalone_debug : Flag<["-"], "fstandalone-debug">, Group<f_Group>,
+def fstandalone_debug : Flag<["-"], "fstandalone-debug">, Group<f_Group>, Flags<[CoreOption]>,
   HelpText<"Emit full debug info for all types used by the program">;
-def fno_standalone_debug : Flag<["-"], "fno-standalone-debug">, Group<f_Group>,
+def fno_standalone_debug : Flag<["-"], "fno-standalone-debug">, Group<f_Group>, Flags<[CoreOption]>,
   HelpText<"Limit debug information produced to reduce size of debug binary">;
-def flimit_debug_info : Flag<["-"], "flimit-debug-info">, Alias<fno_standalone_debug>;
-def fno_limit_debug_info : Flag<["-"], "fno-limit-debug-info">, Alias<fstandalone_debug>;
+def flimit_debug_info : Flag<["-"], "flimit-debug-info">, Flags<[CoreOption]>, Alias<fno_standalone_debug>;
+def fno_limit_debug_info : Flag<["-"], "fno-limit-debug-info">, Flags<[CoreOption]>, Alias<fstandalone_debug>;
 def fstrict_aliasing : Flag<["-"], "fstrict-aliasing">, Group<f_Group>,
   Flags<[DriverOption, CoreOption]>;
 def fstrict_enums : Flag<["-"], "fstrict-enums">, Group<f_Group>, Flags<[CC1Option]>,

diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 9b06963..d4e9a5e 100644 (file)
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -518,6 +518,8 @@
 // RUN:     -resource-dir \
 // RUN:     -Wunused-variable \
 // RUN:     -fmacro-backtrace-limit=0 \
+// RUN:     -fstandalone-debug \
+// RUN:     -flimit-debug-info \
 // RUN:     -Werror /Zs -- %s 2>&1