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Daniel re-educated me about what Alias does and does not do. Turn that off for 

'-fasm' and explicitly map from that flag to -fgnu-keywords in the driver. Turn
off the driver in the lexer test for this madness and add a test to the driver
that the translation actually works.

llvm-svn: 104428
This commit is contained in:
Chandler Carruth 2010-05-22 02:21:53 +00:00
parent 78a151138a
commit e039148801
4 changed files with 18 additions and 12 deletions
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8
clang/include/clang/Driver/Options.td
View File

@ -231,6 +231,7 @@ def fPIC : Flag<"-fPIC">, Group<f_Group>;
def fPIE : Flag<"-fPIE">, Group<f_Group>;
def faccess_control : Flag<"-faccess-control">, Group<f_Group>;
def fapple_kext : Flag<"-fapple-kext">, Group<f_Group>;
def fasm : Flag<"-fasm">, Group<f_Group>;
def fasm_blocks : Flag<"-fasm-blocks">, Group<clang_ignored_f_Group>;
def fassume_sane_operator_new : Flag<"-fassume-sane-operator-new">, Group<f_Group>;
def fastcp : Flag<"-fastcp">, Group<f_Group>;
@ -266,10 +267,7 @@ def fexceptions : Flag<"-fexceptions">, Group<f_Group>;
def fextdirs_EQ : Joined<"-fextdirs=">, Group<f_Group>;
def fhosted : Flag<"-fhosted">, Group<f_Group>;
def ffreestanding : Flag<"-ffreestanding">, Group<f_Group>;
def fgnu_keywords : Flag<"-fgnu-keywords">, Group<f_Group>;
def fasm : Flag<"-fasm">, Alias<fgnu_keywords>;
def fgnu_runtime : Flag<"-fgnu-runtime">, Group<f_Group>;
def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">;
def filelist : Separate<"-filelist">, Flags<[LinkerInput]>;
@ -292,6 +290,7 @@ def fmudflap : Flag<"-fmudflap">, Group<f_Group>;
def fnested_functions : Flag<"-fnested-functions">, Group<f_Group>;
def fnext_runtime : Flag<"-fnext-runtime">, Group<f_Group>;
def fno_access_control : Flag<"-fno-access-control">, Group<f_Group>;
def fno_asm : Flag<"-fno-asm">, Group<f_Group>;
def fno_asynchronous_unwind_tables : Flag<"-fno-asynchronous-unwind-tables">, Group<f_Group>;
def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, Group<f_Group>;
def fno_blocks : Flag<"-fno-blocks">, Group<f_Group>;
@ -307,10 +306,7 @@ def fno_diagnostics_show_option : Flag<"-fno-diagnostics-show-option">, Group<f_
def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, Group<f_Group>;
def fno_eliminate_unused_debug_symbols : Flag<"-fno-eliminate-unused-debug-symbols">, Group<f_Group>;
def fno_exceptions : Flag<"-fno-exceptions">, Group<f_Group>;
def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, Group<f_Group>;
def fno_asm : Flag<"-fno-asm">, Alias<fno_gnu_keywords>;
def fno_inline_functions : Flag<"-fno-inline-functions">, Group<clang_ignored_f_Group>;
def fno_inline : Flag<"-fno-inline">, Group<clang_ignored_f_Group>;
def fno_keep_inline_functions : Flag<"-fno-keep-inline-functions">, Group<clang_ignored_f_Group>;

8
clang/lib/Driver/Tools.cpp
View File

@ -1078,6 +1078,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
}
// Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'.
if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) {
if (Asm->getOption().matches(options::OPT_fasm))
CmdArgs.push_back("-fgnu-keywords");
else
CmdArgs.push_back("-fno-gnu-keywords");
}
if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) {
CmdArgs.push_back("-ftemplate-depth");
CmdArgs.push_back(A->getValue(Args));

6
clang/test/Driver/clang_f_opts.c
View File

@ -1,10 +1,12 @@
// RUN: %clang -### -S -fblocks -fbuiltin -fno-math-errno -fcommon -fpascal-strings -fno-blocks -fno-builtin -fmath-errno -fno-common -fno-pascal-strings -fblocks -fbuiltin -fmath-errno -fcommon -fpascal-strings %s 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS1 %s
// RUN: %clang -### -S -fblocks -fbuiltin -fno-math-errno -fcommon -fpascal-strings -fno-blocks -fno-builtin -fmath-errno -fno-common -fno-pascal-strings -fno-show-source-location -fshort-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS2 %s
// RUN: %clang -### -S -fasm -fblocks -fbuiltin -fno-math-errno -fcommon -fpascal-strings -fno-blocks -fno-builtin -fmath-errno -fno-common -fno-pascal-strings -fblocks -fbuiltin -fmath-errno -fcommon -fpascal-strings %s 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS1 %s
// RUN: %clang -### -S -fasm -fblocks -fbuiltin -fno-math-errno -fcommon -fpascal-strings -fno-asm -fno-blocks -fno-builtin -fmath-errno -fno-common -fno-pascal-strings -fno-show-source-location -fshort-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS2 %s
// RUN: %clang -### -fshort-enums %s 2>&1 | FileCheck -check-prefix=CHECK-SHORT-ENUMS %s
// CHECK-OPTIONS1: -fgnu-keywords
// CHECK-OPTIONS1: -fblocks
// CHECK-OPTIONS1: -fpascal-strings
// CHECK_OPTIONS2: -fno-gnu-keywords
// CHECK-OPTIONS2: -fmath-errno
// CHECK-OPTIONS2: -fno-builtin
// CHECK-OPTIONS2: -fshort-wchar

8
clang/test/Lexer/gnu_keywords.c
View File

@ -1,7 +1,7 @@
// RUN: %clang -DGNU_KEYWORDS -std=gnu89 -fsyntax-only -verify %s
// RUN: %clang -DGNU_KEYWORDS -std=c99 -fgnu-keywords -fsyntax-only -verify %s
// RUN: %clang -std=c99 -fsyntax-only -verify %s
// RUN: %clang -std=gnu89 -fno-gnu-keywords -fsyntax-only -verify %s
// RUN: %clang_cc1 -DGNU_KEYWORDS -std=gnu89 -fsyntax-only -verify %s
// RUN: %clang_cc1 -DGNU_KEYWORDS -std=c99 -fgnu-keywords -fsyntax-only -verify %s
// RUN: %clang_cc1 -std=c99 -fsyntax-only -verify %s
// RUN: %clang_cc1 -std=gnu89 -fno-gnu-keywords -fsyntax-only -verify %s
void f() {
#ifdef GNU_KEYWORDS