[PATCH] D48021: [Driver] Add aliases for -Qn/-Qy

[Mikhail Maltsev via Phabricator via cfe-commits]

miyuki created this revision.
miyuki added reviewers: aprantl, JDevlieghere.

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


https://reviews.llvm.org/D48021

Files:
  CodeGen/no-ident-version.c
  clang/Driver/Options.td


Index: CodeGen/no-ident-version.c
===================================================================
--- CodeGen/no-ident-version.c
+++ 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
Index: clang/Driver/Options.td
===================================================================
--- clang/Driver/Options.td
+++ clang/Driver/Options.td
@@ -404,6 +404,8 @@
   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_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>;


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