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[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
This commit is contained in:
Mikhail Maltsev 2018-06-11 16:10:06 +00:00
parent a1f8bd3778
commit 7236596c7c
2 changed files with 6 additions and 1 deletions
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3
include/clang/Driver/Options.td
View File

@ -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>;

4
test/CodeGen/no-ident-version.c
View File

@ -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