r203603 - Driver: Support -gmlt as an alias for -gline-tables-only

[David Blaikie]

Author: dblaikie
Date: Tue Mar 11 16:05:26 2014
New Revision: 203603

URL: http://llvm.org/viewvc/llvm-project?rev=203603&view=rev
Log:
Driver: Support -gmlt as an alias for -gline-tables-only

Modified:
    cfe/trunk/include/clang/Driver/Options.td
    cfe/trunk/lib/Driver/Tools.cpp
    cfe/trunk/test/Driver/debug-options.c

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=203603&r1=203602&r2=203603&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Tue Mar 11 16:05:26 2014
@@ -900,6 +900,8 @@ def g_Flag : Flag<["-"], "g">, Group<g_G
   HelpText<"Generate source level debug information">, Flags<[CC1Option]>;
 def gline_tables_only : Flag<["-"], "gline-tables-only">, Group<g_Group>,
   HelpText<"Emit debug line number tables only">, Flags<[CC1Option]>;
+def gmlt : Flag<["-"], "gmlt">, Group<g_Group>,
+  HelpText<"Emit debug line number tables only">, Flags<[DriverOption,HelpHidden]>;
 def g0 : Flag<["-"], "g0">, Group<g_Group>;
 def g1 : Flag<["-"], "g1">, Group<g_Group>;
 def g2 : Flag<["-"], "g2">, Group<g_Group>;

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=203603&r1=203602&r2=203603&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Tue Mar 11 16:05:26 2014
@@ -2693,7 +2693,8 @@ void Clang::ConstructJob(Compilation &C,
   // are preserved, all other debug options are substituted with "-g".
   Args.ClaimAllArgs(options::OPT_g_Group);
   if (Arg *A = Args.getLastArg(options::OPT_g_Group)) {
-    if (A->getOption().matches(options::OPT_gline_tables_only)) {
+    if (A->getOption().matches(options::OPT_gline_tables_only) ||
+        A->getOption().matches(options::OPT_gmlt)) {
       // FIXME: we should support specifying dwarf version with
       // -gline-tables-only.
       CmdArgs.push_back("-gline-tables-only");

Modified: cfe/trunk/test/Driver/debug-options.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/debug-options.c?rev=203603&r1=203602&r2=203603&view=diff
==============================================================================
--- cfe/trunk/test/Driver/debug-options.c (original)
+++ cfe/trunk/test/Driver/debug-options.c Tue Mar 11 16:05:26 2014
@@ -33,6 +33,8 @@
 // RUN: %clang -### -c -g -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
 // RUN: %clang -### -c -ggdb0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
 //
+// RUN: %clang -### -c -gmlt %s 2>&1 \
+// RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
 // RUN: %clang -### -c -gline-tables-only %s 2>&1 \
 // RUN:             | FileCheck -check-prefix=GLTO_ONLY %s
 // RUN: %clang -### -c -gline-tables-only %s -target x86_64-apple-darwin 2>&1 \