[Driver] Add aliases for -Qn/-Qy

This patch adds aliases for -Qn (-fno-ident) and -Qy (-fident) which
look less cryptic than -Qn/-Qy. The aliases are compatible with GCC.

Differential Revision: https://reviews.llvm.org/D48021

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@334414 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 093706f2790bad7ae8e2ecbd2dc2365eb41de3b7..e5aaeb93defc7363796840f5e485598b209f7230 100644 (file)
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -404,6 +404,8 @@ def Qy : Flag<["-"], "Qy">, Flags<[CC1Option]>,
   HelpText<"Emit metadata containing compiler name and version">;
 def Qn : Flag<["-"], "Qn">, Flags<[CC1Option]>,
   HelpText<"Do not emit metadata containing compiler name and version">;
+def : Flag<["-"], "fident">, Group<f_Group>, Alias<Qy>, Flags<[CC1Option]>;
+def : Flag<["-"], "fno-ident">, Group<f_Group>, Alias<Qn>, Flags<[CC1Option]>;
 def Qunused_arguments : Flag<["-"], "Qunused-arguments">, Flags<[DriverOption, CoreOption]>,
   HelpText<"Don't emit warning for unused driver arguments">;
 def Q : Flag<["-"], "Q">, IgnoredGCCCompat;
@@ -2840,7 +2842,6 @@ defm gcse_after_reload: BooleanFFlag<"gcse-after-reload">, Group<clang_ignored_g
 defm gcse_las: BooleanFFlag<"gcse-las">, Group<clang_ignored_gcc_optimization_f_Group>;
 defm gcse_sm: BooleanFFlag<"gcse-sm">, Group<clang_ignored_gcc_optimization_f_Group>;
 defm gnu : BooleanFFlag<"gnu">, Group<clang_ignored_f_Group>;
-defm ident : BooleanFFlag<"ident">, Group<clang_ignored_f_Group>;
 defm implicit_templates : BooleanFFlag<"implicit-templates">, Group<clang_ignored_f_Group>;
 defm implement_inlines : BooleanFFlag<"implement-inlines">, Group<clang_ignored_f_Group>;
 defm merge_constants : BooleanFFlag<"merge-constants">, Group<clang_ignored_gcc_optimization_f_Group>;

diff --git a/test/CodeGen/no-ident-version.c b/test/CodeGen/no-ident-version.c
index ad2a7db2d3d309be8c81db100fb50a6a0dd8b208..3765a605a98886448f6dcc9146230dcfc23e9cbf 100644 (file)
--- a/test/CodeGen/no-ident-version.c
+++ b/test/CodeGen/no-ident-version.c
@@ -2,8 +2,12 @@
 // RUN:   | FileCheck --check-prefix=CHECK-NONE %s
 // RUN: %clang_cc1 -Qn -emit-llvm -debug-info-kind=limited -o - %s \
 // RUN:   | FileCheck --check-prefix=CHECK-QN %s
+// RUN: %clang_cc1 -fno-ident -emit-llvm -debug-info-kind=limited -o - %s \
+// RUN:   | FileCheck --check-prefix=CHECK-QN %s
 // RUN: %clang_cc1 -Qy -emit-llvm -debug-info-kind=limited -o - %s \
 // RUN:   | FileCheck --check-prefix=CHECK-QY %s
+// RUN: %clang_cc1 -fident -emit-llvm -debug-info-kind=limited -o - %s \
+// RUN:   | FileCheck --check-prefix=CHECK-QY %s
 
 // CHECK-NONE: @main
 // CHECK-NONE: llvm.ident