r191429 - Ignore some -f options that are supported by gcc.

[Rafael Espindola]

Author: rafael
Date: Thu Sep 26 08:10:14 2013
New Revision: 191429

URL: http://llvm.org/viewvc/llvm-project?rev=191429&view=rev
Log:
Ignore some -f options that are supported by gcc.

It is possible that we should say some of these are unsupported, but this is
not any worse than the old behavior of ignoring all unknown -f options.

Modified:
    cfe/trunk/include/clang/Driver/Options.td
    cfe/trunk/test/Driver/clang_f_opts.c

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=191429&r1=191428&r2=191429&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Thu Sep 26 08:10:14 2013
@@ -1364,6 +1364,37 @@ def Z_reserved_lib_stdcxx : Flag<["-"],
 def Z_reserved_lib_cckext : Flag<["-"], "Z-reserved-lib-cckext">,
     Flags<[LinkerInput, NoArgumentUnused, Unsupported]>, Group<reserved_lib_Group>;
 
+// Ignored options
+// FIXME: multiclasess produce suffixes, not prefixes. This is fine for now
+// since it is only used in ignored options.
+multiclass BooleanFFlag<list<string> prefixes, string name> {
+  def _f : Flag<["-"], "f"#name>;
+  def _fno : Flag<["-"], "fno-"#name>;
+}
+
+def fprofile_dir : Joined<["-"], "fprofile-dir=">, Group<clang_ignored_f_Group>;
+
+defm profile_use : BooleanFFlag<["-"], "profile-use">, Group<clang_ignored_f_Group>;
+def fprofile_use_eq : Joined<["-"], "fprofile-use=">, Group<clang_ignored_f_Group>;
+
+defm falign_functions : BooleanFFlag<["-"], "align-functions">, Group<clang_ignored_f_Group>;
+def falign_functions_eq : Joined<["-"], "falign-functions=">, Group<clang_ignored_f_Group>;
+
+defm tracer : BooleanFFlag<["-"], "tracer">, Group<clang_ignored_f_Group>;
+defm unroll_all_loops : BooleanFFlag<["-"], "unroll-all-loops">, Group<clang_ignored_f_Group>;
+defm sse : BooleanFFlag<["-"], "see">, Group<clang_ignored_f_Group>;
+defm rounding_math : BooleanFFlag<["-"], "rounding-math">, Group<clang_ignored_f_Group>;
+defm profile_values : BooleanFFlag<["-"], "profile-values">, Group<clang_ignored_f_Group>;
+defm profile_correction : BooleanFFlag<["-"], "profile-correction">, Group<clang_ignored_f_Group>;
+defm prefetch_loop_arrays : BooleanFFlag<["-"], "prefetch-loop-arrays">, Group<clang_ignored_f_Group>;
+defm permissive : BooleanFFlag<["-"], "permissive">, Group<clang_ignored_f_Group>;
+defm non_call_exceptions : BooleanFFlag<["-"], "non-call-exceptions">, Group<clang_ignored_f_Group>;
+defm ivopts : BooleanFFlag<["-"], "ivopts">, Group<clang_ignored_f_Group>;
+defm ident : BooleanFFlag<["-"], "ident">, Group<clang_ignored_f_Group>;
+defm gcse : BooleanFFlag<["-"], "gcse">, Group<clang_ignored_f_Group>;
+defm eliminate_unused_debug_types : BooleanFFlag<["-"], "eliminate-unused-debug-types">, Group<clang_ignored_f_Group>;
+defm float_store : BooleanFFlag<["-"], "float-store">, Group<clang_ignored_f_Group>;
+
 include "CC1Options.td"
 
 include "CLCompatOptions.td"

Modified: cfe/trunk/test/Driver/clang_f_opts.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/clang_f_opts.c?rev=191429&r1=191428&r2=191429&view=diff
==============================================================================
--- cfe/trunk/test/Driver/clang_f_opts.c (original)
+++ cfe/trunk/test/Driver/clang_f_opts.c Thu Sep 26 08:10:14 2013
@@ -99,3 +99,26 @@
 // RUN: %clang -### -S -O4 %s 2>&1 | FileCheck -check-prefix=CHECK-MAX-O %s
 // CHECK-MAX-O: warning: -O4 is equivalent to -O3
 // CHECK-MAX-O: -O3
+
+// Test that we don't error on these.
+// RUN: %clang -### -S                                                        \
+// RUN:     -falign-functions -falign-functions=2 -fno-align-functions        \
+// RUN:     -fasynchronous-unwind-tables -fno-asynchronous-unwind-tables      \
+// RUN:     -fbuiltin -fno-builtin                                            \
+// RUN:     -ffloat-store -fno-float-store                                    \
+// RUN:     -feliminate-unused-debug-types -fno-eliminate-unused-debug-types  \
+// RUN:     -fgcse -fno-gcse                                                  \
+// RUN:     -fident -fno-ident                                                \
+// RUN:     -fivopts -fno-ivopts                                              \
+// RUN:     -fnon-call-exceptions -fno-non-call-exceptions                    \
+// RUN:     -fpermissive -fno-permissive                                      \
+// RUN:     -fprefetch-loop-arrays -fno-prefetch-loop-arrays                  \
+// RUN:     -fprofile-correction -fno-profile-correction                      \
+// RUN:     -fprofile-dir=bar                                                 \
+// RUN:     -fprofile-use -fprofile-use=zed -fno-profile-use                  \
+// RUN:     -fprofile-values -fno-profile-values                              \
+// RUN:     -frounding-math -fno-rounding-math                                \
+// RUN:     -fsee -fno-see                                                    \
+// RUN:     -ftracer -fno-tracer                                              \
+// RUN:     -funroll-all-loops -fno-unroll-all-loops                          \
+// RUN:     %s