1//===--- Options.td - Options for clang -----------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file defines the options accepted by clang.
11//
12//===----------------------------------------------------------------------===//
13
14// Include the common option parsing interfaces.
15include "llvm/Option/OptParser.td"
16
17/////////
18// Flags
19
20// DriverOption - The option is a "driver" option, and should not be forwarded
21// to other tools.
22def DriverOption : OptionFlag;
23
24// LinkerInput - The option is a linker input.
25def LinkerInput : OptionFlag;
26
27// NoArgumentUnused - Don't report argument unused warnings for this option; this
28// is useful for options like -static or -dynamic which a user may always end up
29// passing, even if the platform defaults to (or only supports) that option.
30def NoArgumentUnused : OptionFlag;
31
32// Unsupported - The option is unsupported, and the driver will reject command
33// lines that use it.
34def Unsupported : OptionFlag;
35
36// CoreOption - This is considered a "core" Clang option, available in both
37// clang and clang-cl modes.
38def CoreOption : OptionFlag;
39
40// CLOption - This is a cl.exe compatibility option. Options with this flag
41// are made available when the driver is running in CL compatibility mode.
42def CLOption : OptionFlag;
43
44// CC1Option - This option should be accepted by clang -cc1.
45def CC1Option : OptionFlag;
46
47// CC1AsOption - This option should be accepted by clang -cc1as.
48def CC1AsOption : OptionFlag;
49
50// NoDriverOption - This option should not be accepted by the driver.
51def NoDriverOption : OptionFlag;
52
53/////////
54// Groups
55
56// Meta-group for options which are only used for compilation,
57// and not linking etc.
58def CompileOnly_Group     : OptionGroup<"<CompileOnly group>">;
59
60def Action_Group          : OptionGroup<"<action group>">;
61
62def I_Group               : OptionGroup<"<I group>">, Group<CompileOnly_Group>;
63def M_Group               : OptionGroup<"<M group>">, Group<CompileOnly_Group>;
64def T_Group               : OptionGroup<"<T group>">;
65def O_Group               : OptionGroup<"<O group>">, Group<CompileOnly_Group>;
66def R_Group               : OptionGroup<"<R group>">, Group<CompileOnly_Group>;
67def R_value_Group         : OptionGroup<"<R (with value) group>">, Group<R_Group>;
68def W_Group               : OptionGroup<"<W group>">, Group<CompileOnly_Group>;
69def W_value_Group         : OptionGroup<"<W (with value) group>">, Group<W_Group>;
70def d_Group               : OptionGroup<"<d group>">;
71def f_Group               : OptionGroup<"<f group>">, Group<CompileOnly_Group>;
72def f_clang_Group         : OptionGroup<"<f (clang-only) group>">, Group<CompileOnly_Group>;
73def g_Group               : OptionGroup<"<g group>">;
74def gN_Group              : OptionGroup<"<gN group>">, Group<g_Group>;
75def ggdbN_Group           : OptionGroup<"<ggdbN group>">, Group<gN_Group>;
76def gTune_Group           : OptionGroup<"<gTune group>">, Group<g_Group>;
77def g_flags_Group         : OptionGroup<"<g flags group>">;
78def i_Group               : OptionGroup<"<i group>">, Group<CompileOnly_Group>;
79def clang_i_Group         : OptionGroup<"<clang i group>">, Group<i_Group>;
80def m_Group               : OptionGroup<"<m group>">, Group<CompileOnly_Group>;
81def opencl_Group          : OptionGroup<"<opencl group>">, Group<CompileOnly_Group>;
82
83// Feature groups - these take command line options that correspond directly to
84// target specific features and can be translated directly from command line
85// options.
86def m_x86_Features_Group : OptionGroup<"<x86 features group>">,
87                           Group<m_Group>,
88                           Flags<[CoreOption]>;
89def m_hexagon_Features_Group : OptionGroup<"<hexagon features group>">,
90                               Group<m_Group>;
91def m_arm_Features_Group : OptionGroup<"<arm features group>">,
92                           Group<m_Group>;
93def m_aarch64_Features_Group : OptionGroup<"<aarch64 features group>">,
94                               Group<m_Group>;
95def m_ppc_Features_Group : OptionGroup<"<ppc features group>">,
96                           Group<m_Group>;
97def m_wasm_Features_Group : OptionGroup<"<wasm features group>">,
98                            Group<m_Group>;
99def m_amdgpu_Features_Group : OptionGroup<"<amdgpu features group>">,
100                              Group<m_Group>;
101
102def m_libc_Group          : OptionGroup<"<m libc group>">, Group<m_Group>;
103def u_Group               : OptionGroup<"<u group>">;
104
105def pedantic_Group        : OptionGroup<"<pedantic group>">,
106  Group<CompileOnly_Group>;
107def reserved_lib_Group   : OptionGroup<"<reserved libs group>">;
108
109// Temporary groups for clang options which we know we don't support,
110// but don't want to verbosely warn the user about.
111def clang_ignored_f_Group : OptionGroup<"<clang ignored f group>">,
112  Group<f_Group>;
113def clang_ignored_m_Group : OptionGroup<"<clang ignored m group>">,
114  Group<m_Group>;
115
116// Group that ignores all gcc optimizations that won't be implemented
117def clang_ignored_gcc_optimization_f_Group : OptionGroup<
118  "<clang_ignored_gcc_optimization_f_Group>">, Group<f_Group>;
119
120/////////
121// Options
122
123// The internal option ID must be a valid C++ identifier and results in a
124// clang::driver::options::OPT_XX enum constant for XX.
125//
126// We want to unambiguously be able to refer to options from the driver source
127// code, for this reason the option name is mangled into an ID. This mangling
128// isn't guaranteed to have an inverse, but for practical purposes it does.
129//
130// The mangling scheme is to ignore the leading '-', and perform the following
131// substitutions:
132//   _ => __
133//   - => _
134//   / => _SLASH
135//   # => _HASH
136//   ? => _QUESTION
137//   , => _COMMA
138//   = => _EQ
139//   C++ => CXX
140//   . => _
141
142// Developer Driver Options
143
144def internal_Group : OptionGroup<"<clang internal options>">;
145def internal_driver_Group : OptionGroup<"<clang driver internal options>">,
146  Group<internal_Group>, HelpText<"DRIVER OPTIONS">;
147def internal_debug_Group :
148  OptionGroup<"<clang debug/development internal options>">,
149  Group<internal_Group>, HelpText<"DEBUG/DEVELOPMENT OPTIONS">;
150
151class InternalDriverOpt : Group<internal_driver_Group>,
152  Flags<[DriverOption, HelpHidden]>;
153def driver_mode : Joined<["--"], "driver-mode=">, Group<internal_driver_Group>,
154  Flags<[CoreOption, DriverOption, HelpHidden]>,
155  HelpText<"Set the driver mode to either 'gcc', 'g++', 'cpp', or 'cl'">;
156def rsp_quoting : Joined<["--"], "rsp-quoting=">, Group<internal_driver_Group>,
157  Flags<[CoreOption, DriverOption, HelpHidden]>,
158  HelpText<"Set the rsp quoting to either 'posix', or 'windows'">;
159def ccc_gcc_name : Separate<["-"], "ccc-gcc-name">, InternalDriverOpt,
160  HelpText<"Name for native GCC compiler">,
161  MetaVarName<"<gcc-path>">;
162def ccc_pch_is_pch : Flag<["-"], "ccc-pch-is-pch">, InternalDriverOpt,
163  HelpText<"Use lazy PCH for precompiled headers">;
164def ccc_pch_is_pth : Flag<["-"], "ccc-pch-is-pth">, InternalDriverOpt,
165  HelpText<"Use pretokenized headers for precompiled headers">;
166
167class InternalDebugOpt : Group<internal_debug_Group>,
168  Flags<[DriverOption, HelpHidden, CoreOption]>;
169def ccc_install_dir : Separate<["-"], "ccc-install-dir">, InternalDebugOpt,
170  HelpText<"Simulate installation in the given directory">;
171def ccc_print_phases : Flag<["-"], "ccc-print-phases">, InternalDebugOpt,
172  HelpText<"Dump list of actions to perform">;
173def ccc_print_bindings : Flag<["-"], "ccc-print-bindings">, InternalDebugOpt,
174  HelpText<"Show bindings of tools to actions">;
175
176def ccc_arcmt_check : Flag<["-"], "ccc-arcmt-check">, InternalDriverOpt,
177  HelpText<"Check for ARC migration issues that need manual handling">;
178def ccc_arcmt_modify : Flag<["-"], "ccc-arcmt-modify">, InternalDriverOpt,
179  HelpText<"Apply modifications to files to conform to ARC">;
180def ccc_arcmt_migrate : Separate<["-"], "ccc-arcmt-migrate">, InternalDriverOpt,
181  HelpText<"Apply modifications and produces temporary files that conform to ARC">;
182def arcmt_migrate_report_output : Separate<["-"], "arcmt-migrate-report-output">,
183  HelpText<"Output path for the plist report">,  Flags<[CC1Option]>;
184def arcmt_migrate_emit_arc_errors : Flag<["-"], "arcmt-migrate-emit-errors">,
185  HelpText<"Emit ARC errors even if the migrator can fix them">,
186  Flags<[CC1Option]>;
187
188def _migrate : Flag<["--"], "migrate">, Flags<[DriverOption]>,
189  HelpText<"Run the migrator">;
190def ccc_objcmt_migrate : Separate<["-"], "ccc-objcmt-migrate">,
191  InternalDriverOpt,
192  HelpText<"Apply modifications and produces temporary files to migrate to "
193   "modern ObjC syntax">;
194def objcmt_migrate_literals : Flag<["-"], "objcmt-migrate-literals">, Flags<[CC1Option]>,
195  HelpText<"Enable migration to modern ObjC literals">;
196def objcmt_migrate_subscripting : Flag<["-"], "objcmt-migrate-subscripting">, Flags<[CC1Option]>,
197  HelpText<"Enable migration to modern ObjC subscripting">;
198def objcmt_migrate_property : Flag<["-"], "objcmt-migrate-property">, Flags<[CC1Option]>,
199  HelpText<"Enable migration to modern ObjC property">;
200def objcmt_migrate_all : Flag<["-"], "objcmt-migrate-all">, Flags<[CC1Option]>,
201  HelpText<"Enable migration to modern ObjC">;
202def objcmt_migrate_readonly_property : Flag<["-"], "objcmt-migrate-readonly-property">, Flags<[CC1Option]>,
203  HelpText<"Enable migration to modern ObjC readonly property">;
204def objcmt_migrate_readwrite_property : Flag<["-"], "objcmt-migrate-readwrite-property">, Flags<[CC1Option]>,
205  HelpText<"Enable migration to modern ObjC readwrite property">;
206def objcmt_migrate_property_dot_syntax : Flag<["-"], "objcmt-migrate-property-dot-syntax">, Flags<[CC1Option]>,
207  HelpText<"Enable migration of setter/getter messages to property-dot syntax">;
208def objcmt_migrate_annotation : Flag<["-"], "objcmt-migrate-annotation">, Flags<[CC1Option]>,
209  HelpText<"Enable migration to property and method annotations">;
210def objcmt_migrate_instancetype : Flag<["-"], "objcmt-migrate-instancetype">, Flags<[CC1Option]>,
211  HelpText<"Enable migration to infer instancetype for method result type">;
212def objcmt_migrate_nsmacros : Flag<["-"], "objcmt-migrate-ns-macros">, Flags<[CC1Option]>,
213  HelpText<"Enable migration to NS_ENUM/NS_OPTIONS macros">;
214def objcmt_migrate_protocol_conformance : Flag<["-"], "objcmt-migrate-protocol-conformance">, Flags<[CC1Option]>,
215  HelpText<"Enable migration to add protocol conformance on classes">;
216def objcmt_atomic_property : Flag<["-"], "objcmt-atomic-property">, Flags<[CC1Option]>,
217  HelpText<"Make migration to 'atomic' properties">;
218def objcmt_returns_innerpointer_property : Flag<["-"], "objcmt-returns-innerpointer-property">, Flags<[CC1Option]>,
219  HelpText<"Enable migration to annotate property with NS_RETURNS_INNER_POINTER">;
220def objcmt_ns_nonatomic_iosonly: Flag<["-"], "objcmt-ns-nonatomic-iosonly">, Flags<[CC1Option]>,
221  HelpText<"Enable migration to use NS_NONATOMIC_IOSONLY macro for setting property's 'atomic' attribute">;
222def objcmt_migrate_designated_init : Flag<["-"], "objcmt-migrate-designated-init">, Flags<[CC1Option]>,
223  HelpText<"Enable migration to infer NS_DESIGNATED_INITIALIZER for initializer methods">;
224def objcmt_whitelist_dir_path: Joined<["-"], "objcmt-whitelist-dir-path=">, Flags<[CC1Option]>,
225  HelpText<"Only modify files with a filename contained in the provided directory path">;
226// The misspelt "white-list" [sic] alias is due for removal.
227def : Joined<["-"], "objcmt-white-list-dir-path=">, Flags<[CC1Option]>,
228    Alias<objcmt_whitelist_dir_path>;
229
230// Make sure all other -ccc- options are rejected.
231def ccc_ : Joined<["-"], "ccc-">, Group<internal_Group>, Flags<[Unsupported]>;
232
233// Standard Options
234
235def _HASH_HASH_HASH : Flag<["-"], "###">, Flags<[DriverOption, CoreOption]>,
236    HelpText<"Print (but do not run) the commands to run for this compilation">;
237def _DASH_DASH : Option<["--"], "", KIND_REMAINING_ARGS>,
238    Flags<[DriverOption, CoreOption]>;
239def A : JoinedOrSeparate<["-"], "A">, Flags<[RenderJoined]>;
240def B : JoinedOrSeparate<["-"], "B">;
241def CC : Flag<["-"], "CC">, Flags<[CC1Option]>;
242def C : Flag<["-"], "C">, Flags<[CC1Option]>;
243def D : JoinedOrSeparate<["-"], "D">, Group<CompileOnly_Group>, Flags<[CC1Option]>;
244def E : Flag<["-"], "E">, Flags<[DriverOption,CC1Option]>, Group<Action_Group>,
245  HelpText<"Only run the preprocessor">;
246def F : JoinedOrSeparate<["-"], "F">, Flags<[RenderJoined,CC1Option]>,
247    HelpText<"Add directory to framework include search path">;
248def G : JoinedOrSeparate<["-"], "G">, Flags<[DriverOption]>;
249def G_EQ : Joined<["-"], "G=">, Flags<[DriverOption]>;
250def H : Flag<["-"], "H">, Flags<[CC1Option]>,
251    HelpText<"Show header includes and nesting depth">;
252def I_ : Flag<["-"], "I-">, Group<I_Group>;
253def I : JoinedOrSeparate<["-"], "I">, Group<I_Group>, Flags<[CC1Option,CC1AsOption]>,
254    HelpText<"Add directory to include search path">;
255def L : JoinedOrSeparate<["-"], "L">, Flags<[RenderJoined]>;
256def MD : Flag<["-"], "MD">, Group<M_Group>,
257    HelpText<"Write a depfile containing user and system headers">;
258def MMD : Flag<["-"], "MMD">, Group<M_Group>,
259    HelpText<"Write a depfile containing user headers">;
260def M : Flag<["-"], "M">, Group<M_Group>,
261    HelpText<"Like -MD, but also implies -E and writes to stdout by default">;
262def MM : Flag<["-"], "MM">, Group<M_Group>,
263    HelpText<"Like -MMD, but also implies -E and writes to stdout by default">;
264def MF : JoinedOrSeparate<["-"], "MF">, Group<M_Group>,
265    HelpText<"Write depfile output from -MMD, -MD, -MM, or -M to <file>">,
266    MetaVarName<"<file>">;
267def MG : Flag<["-"], "MG">, Group<M_Group>, Flags<[CC1Option]>,
268    HelpText<"Add missing headers to depfile">;
269def MP : Flag<["-"], "MP">, Group<M_Group>, Flags<[CC1Option]>,
270    HelpText<"Create phony target for each dependency (other than main file)">;
271def MQ : JoinedOrSeparate<["-"], "MQ">, Group<M_Group>, Flags<[CC1Option]>,
272    HelpText<"Specify name of main file output to quote in depfile">;
273def MT : JoinedOrSeparate<["-"], "MT">, Group<M_Group>, Flags<[CC1Option]>,
274    HelpText<"Specify name of main file output in depfile">;
275def MV : Flag<["-"], "MV">, Group<M_Group>, Flags<[CC1Option]>,
276    HelpText<"Use NMake/Jom format for the depfile">;
277def Mach : Flag<["-"], "Mach">;
278def O0 : Flag<["-"], "O0">, Group<O_Group>, Flags<[CC1Option]>;
279def O4 : Flag<["-"], "O4">, Group<O_Group>, Flags<[CC1Option]>;
280def ObjCXX : Flag<["-"], "ObjC++">, Flags<[DriverOption]>,
281  HelpText<"Treat source input files as Objective-C++ inputs">;
282def ObjC : Flag<["-"], "ObjC">, Flags<[DriverOption]>,
283  HelpText<"Treat source input files as Objective-C inputs">;
284def O : Joined<["-"], "O">, Group<O_Group>, Flags<[CC1Option]>;
285def O_flag : Flag<["-"], "O">, Flags<[CC1Option]>, Alias<O>, AliasArgs<["2"]>;
286def Ofast : Joined<["-"], "Ofast">, Group<O_Group>, Flags<[CC1Option]>;
287def P : Flag<["-"], "P">, Flags<[CC1Option]>,
288  HelpText<"Disable linemarker output in -E mode">;
289def Qn : Flag<["-"], "Qn">;
290def Qunused_arguments : Flag<["-"], "Qunused-arguments">, Flags<[DriverOption, CoreOption]>,
291  HelpText<"Don't emit warning for unused driver arguments">;
292def Q : Flag<["-"], "Q">;
293def Rpass_EQ : Joined<["-"], "Rpass=">, Group<R_value_Group>, Flags<[CC1Option]>,
294  HelpText<"Report transformations performed by optimization passes whose "
295           "name matches the given POSIX regular expression">;
296def Rpass_missed_EQ : Joined<["-"], "Rpass-missed=">, Group<R_value_Group>,
297  Flags<[CC1Option]>,
298  HelpText<"Report missed transformations by optimization passes whose "
299           "name matches the given POSIX regular expression">;
300def Rpass_analysis_EQ : Joined<["-"], "Rpass-analysis=">, Group<R_value_Group>,
301  Flags<[CC1Option]>,
302  HelpText<"Report transformation analysis from optimization passes whose "
303           "name matches the given POSIX regular expression">;
304def R_Joined : Joined<["-"], "R">, Group<R_Group>, Flags<[CC1Option, CoreOption]>,
305  MetaVarName<"<remark>">, HelpText<"Enable the specified remark">;
306def S : Flag<["-"], "S">, Flags<[DriverOption,CC1Option]>, Group<Action_Group>,
307  HelpText<"Only run preprocess and compilation steps">;
308def Tbss : JoinedOrSeparate<["-"], "Tbss">, Group<T_Group>;
309def Tdata : JoinedOrSeparate<["-"], "Tdata">, Group<T_Group>;
310def Ttext : JoinedOrSeparate<["-"], "Ttext">, Group<T_Group>;
311def T : JoinedOrSeparate<["-"], "T">, Group<T_Group>;
312def U : JoinedOrSeparate<["-"], "U">, Group<CompileOnly_Group>, Flags<[CC1Option]>;
313def V : JoinedOrSeparate<["-"], "V">, Flags<[DriverOption, Unsupported]>;
314def Wa_COMMA : CommaJoined<["-"], "Wa,">,
315  HelpText<"Pass the comma separated arguments in <arg> to the assembler">,
316  MetaVarName<"<arg>">;
317def Wall : Flag<["-"], "Wall">, Group<W_Group>, Flags<[CC1Option]>;
318def WCL4 : Flag<["-"], "WCL4">, Group<W_Group>, Flags<[CC1Option]>;
319def Wdeprecated : Flag<["-"], "Wdeprecated">, Group<W_Group>, Flags<[CC1Option]>;
320def Wno_deprecated : Flag<["-"], "Wno-deprecated">, Group<W_Group>, Flags<[CC1Option]>;
321def Wextra : Flag<["-"], "Wextra">, Group<W_Group>, Flags<[CC1Option]>;
322def Wl_COMMA : CommaJoined<["-"], "Wl,">, Flags<[LinkerInput, RenderAsInput]>,
323  HelpText<"Pass the comma separated arguments in <arg> to the linker">,
324  MetaVarName<"<arg>">;
325// FIXME: This is broken; these should not be Joined arguments.
326def Wno_nonportable_cfstrings : Joined<["-"], "Wno-nonportable-cfstrings">, Group<W_Group>,
327  Flags<[CC1Option]>;
328def Wnonportable_cfstrings : Joined<["-"], "Wnonportable-cfstrings">, Group<W_Group>,
329  Flags<[CC1Option]>;
330def Wp_COMMA : CommaJoined<["-"], "Wp,">,
331  HelpText<"Pass the comma separated arguments in <arg> to the preprocessor">,
332  MetaVarName<"<arg>">;
333def Wwrite_strings : Flag<["-"], "Wwrite-strings">, Group<W_Group>, Flags<[CC1Option]>;
334def Wno_write_strings : Flag<["-"], "Wno-write-strings">, Group<W_Group>, Flags<[CC1Option]>;
335def W_Joined : Joined<["-"], "W">, Group<W_Group>, Flags<[CC1Option, CoreOption]>,
336  MetaVarName<"<warning>">, HelpText<"Enable the specified warning">;
337def Xanalyzer : Separate<["-"], "Xanalyzer">,
338  HelpText<"Pass <arg> to the static analyzer">, MetaVarName<"<arg>">;
339def Xarch__ : JoinedAndSeparate<["-"], "Xarch_">, Flags<[DriverOption]>;
340def Xassembler : Separate<["-"], "Xassembler">,
341  HelpText<"Pass <arg> to the assembler">, MetaVarName<"<arg>">;
342def Xclang : Separate<["-"], "Xclang">,
343  HelpText<"Pass <arg> to the clang compiler">, MetaVarName<"<arg>">,
344  Flags<[DriverOption, CoreOption]>, Group<CompileOnly_Group>;
345def Xcuda_fatbinary : Separate<["-"], "Xcuda-fatbinary">,
346  HelpText<"Pass <arg> to fatbinary invocation">, MetaVarName<"<arg>">;
347def Xcuda_ptxas : Separate<["-"], "Xcuda-ptxas">,
348  HelpText<"Pass <arg> to the ptxas assembler">, MetaVarName<"<arg>">;
349def z : Separate<["-"], "z">, Flags<[LinkerInput, RenderAsInput]>,
350  HelpText<"Pass -z <arg> to the linker">, MetaVarName<"<arg>">;
351def Xlinker : Separate<["-"], "Xlinker">, Flags<[LinkerInput, RenderAsInput]>,
352  HelpText<"Pass <arg> to the linker">, MetaVarName<"<arg>">;
353def Xpreprocessor : Separate<["-"], "Xpreprocessor">,
354  HelpText<"Pass <arg> to the preprocessor">, MetaVarName<"<arg>">;
355def X_Flag : Flag<["-"], "X">;
356def X_Joined : Joined<["-"], "X">;
357def Z_Flag : Flag<["-"], "Z">;
358def Z_Joined : Joined<["-"], "Z">;
359def all__load : Flag<["-"], "all_load">;
360def allowable__client : Separate<["-"], "allowable_client">;
361def ansi : Flag<["-", "--"], "ansi">;
362def arch__errors__fatal : Flag<["-"], "arch_errors_fatal">;
363def arch : Separate<["-"], "arch">, Flags<[DriverOption]>;
364def arch__only : Separate<["-"], "arch_only">;
365def a : Joined<["-"], "a">;
366def bind__at__load : Flag<["-"], "bind_at_load">;
367def bundle__loader : Separate<["-"], "bundle_loader">;
368def bundle : Flag<["-"], "bundle">;
369def b : JoinedOrSeparate<["-"], "b">, Flags<[Unsupported]>;
370def cl_opt_disable : Flag<["-"], "cl-opt-disable">, Group<opencl_Group>, Flags<[CC1Option]>,
371  HelpText<"OpenCL only. This option disables all optimizations. By default optimizations are enabled.">;
372def cl_strict_aliasing : Flag<["-"], "cl-strict-aliasing">, Group<opencl_Group>, Flags<[CC1Option]>,
373  HelpText<"OpenCL only. This option is added for compatibility with OpenCL 1.0.">;
374def cl_single_precision_constant : Flag<["-"], "cl-single-precision-constant">, Group<opencl_Group>, Flags<[CC1Option]>,
375  HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
376def cl_finite_math_only : Flag<["-"], "cl-finite-math-only">, Group<opencl_Group>, Flags<[CC1Option]>,
377  HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
378def cl_kernel_arg_info : Flag<["-"], "cl-kernel-arg-info">, Group<opencl_Group>, Flags<[CC1Option]>,
379  HelpText<"OpenCL only. Generate kernel argument metadata.">;
380def cl_unsafe_math_optimizations : Flag<["-"], "cl-unsafe-math-optimizations">, Group<opencl_Group>, Flags<[CC1Option]>,
381  HelpText<"OpenCL only. Allow unsafe floating-point optimizations.  Also implies -cl-no-signed-zeros and -cl-mad-enable.">;
382def cl_fast_relaxed_math : Flag<["-"], "cl-fast-relaxed-math">, Group<opencl_Group>, Flags<[CC1Option]>,
383  HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__.">;
384def cl_mad_enable : Flag<["-"], "cl-mad-enable">, Group<opencl_Group>, Flags<[CC1Option]>,
385  HelpText<"OpenCL only. Allow use of less precise MAD computations in the generated binary.">;
386def cl_no_signed_zeros : Flag<["-"], "cl-no-signed-zeros">, Group<opencl_Group>, Flags<[CC1Option]>,
387  HelpText<"OpenCL only. Allow use of less precise no signed zeros computations in the generated binary.">;
388def cl_std_EQ : Joined<["-"], "cl-std=">, Group<opencl_Group>, Flags<[CC1Option]>,
389  HelpText<"OpenCL language standard to compile for.">;
390def cl_denorms_are_zero : Flag<["-"], "cl-denorms-are-zero">, Group<opencl_Group>, Flags<[CC1Option]>,
391  HelpText<"OpenCL only. Allow denormals to be flushed to zero.">;
392def client__name : JoinedOrSeparate<["-"], "client_name">;
393def combine : Flag<["-", "--"], "combine">, Flags<[DriverOption, Unsupported]>;
394def compatibility__version : JoinedOrSeparate<["-"], "compatibility_version">;
395def coverage : Flag<["-", "--"], "coverage">;
396def cpp_precomp : Flag<["-"], "cpp-precomp">, Group<clang_ignored_f_Group>;
397def current__version : JoinedOrSeparate<["-"], "current_version">;
398def cxx_isystem : JoinedOrSeparate<["-"], "cxx-isystem">, Group<clang_i_Group>,
399  HelpText<"Add directory to the C++ SYSTEM include search path">, Flags<[CC1Option]>,
400  MetaVarName<"<directory>">;
401def c : Flag<["-"], "c">, Flags<[DriverOption]>,
402  HelpText<"Only run preprocess, compile, and assemble steps">;
403def cuda_device_only : Flag<["--"], "cuda-device-only">,
404  HelpText<"Compile CUDA code for device only">;
405def cuda_host_only : Flag<["--"], "cuda-host-only">,
406  HelpText<"Compile CUDA code for host only.  Has no effect on non-CUDA "
407           "compilations.">;
408def cuda_compile_host_device : Flag<["--"], "cuda-compile-host-device">,
409  HelpText<"Compile CUDA code for both host and device (default).  Has no "
410           "effect on non-CUDA compilations.">;
411def cuda_gpu_arch_EQ : Joined<["--"], "cuda-gpu-arch=">, Flags<[DriverOption]>,
412  HelpText<"CUDA GPU architecture (e.g. sm_35).  May be specified more than once.">;
413def cuda_noopt_device_debug : Flag<["--"], "cuda-noopt-device-debug">,
414  HelpText<"Enable device-side debug info generation. Disables ptxas optimizations.">;
415def no_cuda_version_check : Flag<["--"], "no-cuda-version-check">,
416  HelpText<"Don't error out if the detected version of the CUDA install is "
417           "too low for the requested CUDA gpu architecture.">;
418def no_cuda_noopt_device_debug : Flag<["--"], "no-cuda-noopt-device-debug">;
419def cuda_path_EQ : Joined<["--"], "cuda-path=">, Group<i_Group>,
420  HelpText<"CUDA installation path">;
421def fcuda_flush_denormals_to_zero : Flag<["-"], "fcuda-flush-denormals-to-zero">,
422  Flags<[CC1Option]>, HelpText<"Flush denormal floating point values to zero in CUDA device mode.">;
423def fno_cuda_flush_denormals_to_zero : Flag<["-"], "fno-cuda-flush-denormals-to-zero">;
424def fcuda_approx_transcendentals : Flag<["-"], "fcuda-approx-transcendentals">,
425  Flags<[CC1Option]>, HelpText<"Use approximate transcendental functions">;
426def fno_cuda_approx_transcendentals : Flag<["-"], "fno-cuda-approx-transcendentals">;
427def dA : Flag<["-"], "dA">, Group<d_Group>;
428def dD : Flag<["-"], "dD">, Group<d_Group>, Flags<[CC1Option]>,
429  HelpText<"Print macro definitions in -E mode in addition to normal output">;
430def dM : Flag<["-"], "dM">, Group<d_Group>, Flags<[CC1Option]>,
431  HelpText<"Print macro definitions in -E mode instead of normal output">;
432def dead__strip : Flag<["-"], "dead_strip">;
433def dependency_file : Separate<["-"], "dependency-file">, Flags<[CC1Option]>,
434  HelpText<"Filename (or -) to write dependency output to">;
435def dependency_dot : Separate<["-"], "dependency-dot">, Flags<[CC1Option]>,
436  HelpText<"Filename to write DOT-formatted header dependencies to">;
437def module_dependency_dir : Separate<["-"], "module-dependency-dir">,
438  Flags<[CC1Option]>, HelpText<"Directory to dump module dependencies to">;
439def dumpmachine : Flag<["-"], "dumpmachine">;
440def dumpspecs : Flag<["-"], "dumpspecs">, Flags<[Unsupported]>;
441def dumpversion : Flag<["-"], "dumpversion">;
442def dylib__file : Separate<["-"], "dylib_file">;
443def dylinker__install__name : JoinedOrSeparate<["-"], "dylinker_install_name">;
444def dylinker : Flag<["-"], "dylinker">;
445def dynamiclib : Flag<["-"], "dynamiclib">;
446def dynamic : Flag<["-"], "dynamic">, Flags<[NoArgumentUnused]>;
447def d_Flag : Flag<["-"], "d">, Group<d_Group>;
448def d_Joined : Joined<["-"], "d">, Group<d_Group>;
449def emit_ast : Flag<["-"], "emit-ast">,
450  HelpText<"Emit Clang AST files for source inputs">;
451def emit_llvm : Flag<["-"], "emit-llvm">, Flags<[CC1Option]>, Group<Action_Group>,
452  HelpText<"Use the LLVM representation for assembler and object files">;
453def exported__symbols__list : Separate<["-"], "exported_symbols_list">;
454def e : JoinedOrSeparate<["-"], "e">;
455def fPIC : Flag<["-"], "fPIC">, Group<f_Group>;
456def fno_PIC : Flag<["-"], "fno-PIC">, Group<f_Group>;
457def fPIE : Flag<["-"], "fPIE">, Group<f_Group>;
458def fno_PIE : Flag<["-"], "fno-PIE">, Group<f_Group>;
459def faccess_control : Flag<["-"], "faccess-control">, Group<f_Group>;
460def fallow_unsupported : Flag<["-"], "fallow-unsupported">, Group<f_Group>;
461def fapple_kext : Flag<["-"], "fapple-kext">, Group<f_Group>, Flags<[CC1Option]>,
462  HelpText<"Use Apple's kernel extensions ABI">;
463def fapple_pragma_pack : Flag<["-"], "fapple-pragma-pack">, Group<f_Group>, Flags<[CC1Option]>,
464  HelpText<"Enable Apple gcc-compatible #pragma pack handling">;
465def shared_libasan : Flag<["-"], "shared-libasan">;
466def fasm : Flag<["-"], "fasm">, Group<f_Group>;
467
468def fasm_blocks : Flag<["-"], "fasm-blocks">, Group<f_Group>, Flags<[CC1Option]>;
469def fno_asm_blocks : Flag<["-"], "fno-asm-blocks">, Group<f_Group>;
470
471def fassume_sane_operator_new : Flag<["-"], "fassume-sane-operator-new">, Group<f_Group>;
472def fastcp : Flag<["-"], "fastcp">, Group<f_Group>;
473def fastf : Flag<["-"], "fastf">, Group<f_Group>;
474def fast : Flag<["-"], "fast">, Group<f_Group>;
475def fasynchronous_unwind_tables : Flag<["-"], "fasynchronous-unwind-tables">, Group<f_Group>;
476
477def fautolink : Flag <["-"], "fautolink">, Group<f_Group>;
478def fno_autolink : Flag <["-"], "fno-autolink">, Group<f_Group>,
479  Flags<[DriverOption, CC1Option]>,
480  HelpText<"Disable generation of linker directives for automatic library linking">;
481
482def fembed_bitcode_EQ : Joined<["-"], "fembed-bitcode=">,
483    Group<f_Group>, Flags<[DriverOption, CC1Option]>, MetaVarName<"<option>">,
484    HelpText<"Embed LLVM bitcode (option: off, all, bitcode, marker)">;
485def fembed_bitcode : Flag<["-"], "fembed-bitcode">, Group<f_Group>,
486  Alias<fembed_bitcode_EQ>, AliasArgs<["all"]>,
487  HelpText<"Embed LLVM IR bitcode as data">;
488def fembed_bitcode_marker : Flag<["-"], "fembed-bitcode-marker">,
489  Alias<fembed_bitcode_EQ>, AliasArgs<["marker"]>,
490  HelpText<"Embed placeholder LLVM IR data as a marker">;
491def fgnu_inline_asm : Flag<["-"], "fgnu-inline-asm">, Group<f_Group>, Flags<[DriverOption]>;
492def fno_gnu_inline_asm : Flag<["-"], "fno-gnu-inline-asm">, Group<f_Group>,
493  Flags<[DriverOption, CC1Option]>,
494  HelpText<"Disable GNU style inline asm">;
495
496def fprofile_sample_use_EQ : Joined<["-"], "fprofile-sample-use=">,
497    Group<f_Group>, Flags<[DriverOption, CC1Option]>,
498    HelpText<"Enable sample-based profile guided optimizations">;
499def fauto_profile_EQ : Joined<["-"], "fauto-profile=">,
500    Alias<fprofile_sample_use_EQ>;
501def fprofile_instr_generate : Flag<["-"], "fprofile-instr-generate">,
502    Group<f_Group>, Flags<[DriverOption]>,
503    HelpText<"Generate instrumented code to collect execution counts into default.profraw file (overriden by '=' form of option or LLVM_PROFILE_FILE env var)">;
504def fprofile_instr_generate_EQ : Joined<["-"], "fprofile-instr-generate=">,
505    Group<f_Group>, Flags<[DriverOption]>, MetaVarName<"<file>">,
506    HelpText<"Generate instrumented code to collect execution counts into <file> (overridden by LLVM_PROFILE_FILE env var)">;
507def fprofile_instr_use : Flag<["-"], "fprofile-instr-use">, Group<f_Group>,
508    Flags<[DriverOption]>;
509def fprofile_instr_use_EQ : Joined<["-"], "fprofile-instr-use=">,
510    Group<f_Group>, Flags<[DriverOption]>,
511    HelpText<"Use instrumentation data for profile-guided optimization">;
512def fcoverage_mapping : Flag<["-"], "fcoverage-mapping">,
513    Group<f_Group>, Flags<[CC1Option]>,
514    HelpText<"Generate coverage mapping to enable code coverage analysis">;
515def fno_coverage_mapping : Flag<["-"], "fno-coverage-mapping">,
516    Group<f_Group>, Flags<[DriverOption]>,
517    HelpText<"Disable code coverage analysis">;
518def fprofile_generate : Flag<["-"], "fprofile-generate">,
519    Alias<fprofile_instr_generate>;
520def fprofile_generate_EQ : Joined<["-"], "fprofile-generate=">,
521    Group<f_Group>, Flags<[DriverOption]>, MetaVarName<"<directory>">,
522    HelpText<"Generate instrumented code to collect execution counts into <directory>/default.profraw (overridden by LLVM_PROFILE_FILE env var)">;
523def fprofile_use : Flag<["-"], "fprofile-use">, Group<f_Group>,
524    Alias<fprofile_instr_use>;
525def fprofile_use_EQ : Joined<["-"], "fprofile-use=">,
526    Group<f_Group>, Flags<[DriverOption]>, MetaVarName<"<pathname>">,
527    HelpText<"Use instrumentation data for profile-guided optimization. If pathname is a directory, it reads from <pathname>/default.profdata. Otherwise, it reads from file <pathname>.">;
528def fno_profile_instr_generate : Flag<["-"], "fno-profile-instr-generate">,
529    Group<f_Group>, Flags<[DriverOption]>,
530    HelpText<"Disable generation of profile instrumentation.">;
531def fno_profile_generate : Flag<["-"], "fno-profile-generate">,
532    Alias<fno_profile_instr_generate>;
533def fno_profile_instr_use : Flag<["-"], "fno-profile-instr-use">,
534    Group<f_Group>, Flags<[DriverOption]>,
535    HelpText<"Disable using instrumentation data for profile-guided optimization">;
536def fno_profile_use : Flag<["-"], "fno-profile-use">,
537    Alias<fno_profile_instr_use>;
538
539def fblocks : Flag<["-"], "fblocks">, Group<f_Group>, Flags<[CC1Option]>,
540  HelpText<"Enable the 'blocks' language feature">;
541def fbootclasspath_EQ : Joined<["-"], "fbootclasspath=">, Group<f_Group>;
542def fborland_extensions : Flag<["-"], "fborland-extensions">, Group<f_Group>, Flags<[CC1Option]>,
543  HelpText<"Accept non-standard constructs supported by the Borland compiler">;
544def fbuiltin : Flag<["-"], "fbuiltin">, Group<f_Group>;
545def fcaret_diagnostics : Flag<["-"], "fcaret-diagnostics">, Group<f_Group>;
546def fclasspath_EQ : Joined<["-"], "fclasspath=">, Group<f_Group>;
547def fcolor_diagnostics : Flag<["-"], "fcolor-diagnostics">, Group<f_Group>,
548  Flags<[CoreOption, CC1Option]>, HelpText<"Use colors in diagnostics">;
549def fdiagnostics_color : Flag<["-"], "fdiagnostics-color">, Group<f_Group>,
550  Flags<[CoreOption, DriverOption]>;
551def fdiagnostics_color_EQ : Joined<["-"], "fdiagnostics-color=">, Group<f_Group>;
552def fansi_escape_codes : Flag<["-"], "fansi-escape-codes">, Group<f_Group>,
553  Flags<[CoreOption, CC1Option]>, HelpText<"Use ANSI escape codes for diagnostics">;
554def fcomment_block_commands : CommaJoined<["-"], "fcomment-block-commands=">, Group<f_clang_Group>, Flags<[CC1Option]>,
555  HelpText<"Treat each comma separated argument in <arg> as a documentation comment block command">,
556  MetaVarName<"<arg>">;
557def fparse_all_comments : Flag<["-"], "fparse-all-comments">, Group<f_clang_Group>, Flags<[CC1Option]>;
558def fcommon : Flag<["-"], "fcommon">, Group<f_Group>;
559def fcompile_resource_EQ : Joined<["-"], "fcompile-resource=">, Group<f_Group>;
560def fconstant_cfstrings : Flag<["-"], "fconstant-cfstrings">, Group<f_Group>;
561def fconstant_string_class_EQ : Joined<["-"], "fconstant-string-class=">, Group<f_Group>;
562def fconstexpr_depth_EQ : Joined<["-"], "fconstexpr-depth=">, Group<f_Group>;
563def fconstexpr_steps_EQ : Joined<["-"], "fconstexpr-steps=">, Group<f_Group>;
564def fconstexpr_backtrace_limit_EQ : Joined<["-"], "fconstexpr-backtrace-limit=">,
565                                    Group<f_Group>;
566def fno_crash_diagnostics : Flag<["-"], "fno-crash-diagnostics">, Group<f_clang_Group>, Flags<[NoArgumentUnused]>;
567def fcreate_profile : Flag<["-"], "fcreate-profile">, Group<f_Group>;
568def fcxx_exceptions: Flag<["-"], "fcxx-exceptions">, Group<f_Group>,
569  HelpText<"Enable C++ exceptions">, Flags<[CC1Option]>;
570def fcxx_modules : Flag <["-"], "fcxx-modules">, Group<f_Group>,
571  Flags<[DriverOption]>;
572def fdebug_pass_arguments : Flag<["-"], "fdebug-pass-arguments">, Group<f_Group>;
573def fdebug_pass_structure : Flag<["-"], "fdebug-pass-structure">, Group<f_Group>;
574def fdepfile_entry : Joined<["-"], "fdepfile-entry=">,
575    Group<f_clang_Group>, Flags<[CC1Option]>;
576def fdiagnostics_fixit_info : Flag<["-"], "fdiagnostics-fixit-info">, Group<f_clang_Group>;
577def fdiagnostics_parseable_fixits : Flag<["-"], "fdiagnostics-parseable-fixits">, Group<f_clang_Group>,
578    Flags<[CoreOption, CC1Option]>, HelpText<"Print fix-its in machine parseable form">;
579def fdiagnostics_print_source_range_info : Flag<["-"], "fdiagnostics-print-source-range-info">,
580    Group<f_clang_Group>,  Flags<[CC1Option]>,
581    HelpText<"Print source range spans in numeric form">;
582def fdiagnostics_show_option : Flag<["-"], "fdiagnostics-show-option">, Group<f_Group>,
583    Flags<[CC1Option]>, HelpText<"Print option name with mappable diagnostics">;
584def fdiagnostics_show_note_include_stack : Flag<["-"], "fdiagnostics-show-note-include-stack">,
585    Group<f_Group>,  Flags<[CC1Option]>, HelpText<"Display include stacks for diagnostic notes">;
586def fdiagnostics_format_EQ : Joined<["-"], "fdiagnostics-format=">, Group<f_clang_Group>;
587def fdiagnostics_show_category_EQ : Joined<["-"], "fdiagnostics-show-category=">, Group<f_clang_Group>;
588def fdiagnostics_show_template_tree : Flag<["-"], "fdiagnostics-show-template-tree">,
589    Group<f_Group>, Flags<[CC1Option]>,
590    HelpText<"Print a template comparison tree for differing templates">;
591def fdeclspec : Flag<["-"], "fdeclspec">, Group<f_clang_Group>,
592  HelpText<"Allow __declspec as a keyword">, Flags<[CC1Option]>;
593def fdollars_in_identifiers : Flag<["-"], "fdollars-in-identifiers">, Group<f_Group>,
594  HelpText<"Allow '$' in identifiers">, Flags<[CC1Option]>;
595def fdwarf2_cfi_asm : Flag<["-"], "fdwarf2-cfi-asm">, Group<clang_ignored_f_Group>;
596def fno_dwarf2_cfi_asm : Flag<["-"], "fno-dwarf2-cfi-asm">, Group<clang_ignored_f_Group>;
597def fdwarf_directory_asm : Flag<["-"], "fdwarf-directory-asm">, Group<f_Group>;
598def fno_dwarf_directory_asm : Flag<["-"], "fno-dwarf-directory-asm">, Group<f_Group>, Flags<[CC1Option]>;
599def felide_constructors : Flag<["-"], "felide-constructors">, Group<f_Group>;
600def fno_elide_type : Flag<["-"], "fno-elide-type">, Group<f_Group>,
601    Flags<[CC1Option]>,
602    HelpText<"Do not elide types when printing diagnostics">;
603def feliminate_unused_debug_symbols : Flag<["-"], "feliminate-unused-debug-symbols">, Group<f_Group>;
604def femit_all_decls : Flag<["-"], "femit-all-decls">, Group<f_Group>, Flags<[CC1Option]>,
605  HelpText<"Emit all declarations, even if unused">;
606def femulated_tls : Flag<["-"], "femulated-tls">, Group<f_Group>, Flags<[CC1Option]>,
607  HelpText<"Use emutls functions to access thread_local variables">;
608def fno_emulated_tls : Flag<["-"], "fno-emulated-tls">, Group<f_Group>;
609def fencoding_EQ : Joined<["-"], "fencoding=">, Group<f_Group>;
610def ferror_limit_EQ : Joined<["-"], "ferror-limit=">, Group<f_Group>, Flags<[CoreOption]>;
611def fexceptions : Flag<["-"], "fexceptions">, Group<f_Group>, Flags<[CC1Option]>,
612  HelpText<"Enable support for exception handling">;
613def fsjlj_exceptions : Flag<["-"], "fsjlj-exceptions">, Group<f_Group>,
614  Flags<[CC1Option]>, HelpText<"Use SjLj style exceptions">;
615def fexcess_precision_EQ : Joined<["-"], "fexcess-precision=">,
616    Group<clang_ignored_gcc_optimization_f_Group>;
617def : Flag<["-"], "fexpensive-optimizations">, Group<clang_ignored_gcc_optimization_f_Group>;
618def : Flag<["-"], "fno-expensive-optimizations">, Group<clang_ignored_gcc_optimization_f_Group>;
619def fextdirs_EQ : Joined<["-"], "fextdirs=">, Group<f_Group>;
620def : Flag<["-"], "fdefer-pop">, Group<clang_ignored_gcc_optimization_f_Group>;
621def : Flag<["-"], "fno-defer-pop">, Group<clang_ignored_gcc_optimization_f_Group>;
622def : Flag<["-"], "fextended-identifiers">, Group<clang_ignored_f_Group>;
623def : Flag<["-"], "fno-extended-identifiers">, Group<f_Group>, Flags<[Unsupported]>;
624def fhosted : Flag<["-"], "fhosted">, Group<f_Group>;
625def ffast_math : Flag<["-"], "ffast-math">, Group<f_Group>, Flags<[CC1Option]>,
626  HelpText<"Allow aggressive, lossy floating-point optimizations">;
627def fno_fast_math : Flag<["-"], "fno-fast-math">, Group<f_Group>;
628def fmath_errno : Flag<["-"], "fmath-errno">, Group<f_Group>, Flags<[CC1Option]>,
629  HelpText<"Require math functions to indicate errors by setting errno">;
630def fno_math_errno : Flag<["-"], "fno-math-errno">, Group<f_Group>;
631def fbracket_depth_EQ : Joined<["-"], "fbracket-depth=">, Group<f_Group>;
632def fsignaling_math : Flag<["-"], "fsignaling-math">, Group<f_Group>;
633def fno_signaling_math : Flag<["-"], "fno-signaling-math">, Group<f_Group>;
634def fjump_tables : Flag<["-"], "fjump-tables">, Group<f_Group>;
635def fno_jump_tables : Flag<["-"], "fno-jump-tables">, Group<f_Group>, Flags<[CC1Option]>,
636  HelpText<"Do not use jump tables for lowering switches">;
637def fsanitize_EQ : CommaJoined<["-"], "fsanitize=">, Group<f_clang_Group>,
638                   Flags<[CC1Option, CoreOption]>, MetaVarName<"<check>">,
639                   HelpText<"Turn on runtime checks for various forms of undefined "
640                            "or suspicious behavior. See user manual for available checks">;
641def fno_sanitize_EQ : CommaJoined<["-"], "fno-sanitize=">, Group<f_clang_Group>,
642                      Flags<[CoreOption]>;
643def fsanitize_blacklist : Joined<["-"], "fsanitize-blacklist=">,
644                          Group<f_clang_Group>, Flags<[CC1Option, CoreOption]>,
645                          HelpText<"Path to blacklist file for sanitizers">;
646def fno_sanitize_blacklist : Flag<["-"], "fno-sanitize-blacklist">,
647                             Group<f_clang_Group>,
648                             HelpText<"Don't use blacklist file for sanitizers">;
649def fsanitize_coverage
650    : CommaJoined<["-"], "fsanitize-coverage=">,
651      Group<f_clang_Group>, Flags<[CoreOption]>,
652      HelpText<"Specify the type of coverage instrumentation for Sanitizers">;
653def fno_sanitize_coverage
654    : CommaJoined<["-"], "fno-sanitize-coverage=">,
655      Group<f_clang_Group>, Flags<[CoreOption]>,
656      HelpText<"Disable specified features of coverage instrumentation for "
657               "Sanitizers">;
658def fsanitize_memory_track_origins_EQ : Joined<["-"], "fsanitize-memory-track-origins=">,
659                                        Group<f_clang_Group>, Flags<[CC1Option]>,
660                                        HelpText<"Enable origins tracking in MemorySanitizer">;
661def fsanitize_memory_track_origins : Flag<["-"], "fsanitize-memory-track-origins">,
662                                     Group<f_clang_Group>, Flags<[CC1Option]>,
663                                     HelpText<"Enable origins tracking in MemorySanitizer">;
664def fno_sanitize_memory_track_origins : Flag<["-"], "fno-sanitize-memory-track-origins">,
665                                        Group<f_clang_Group>, Flags<[CC1Option]>,
666                                        HelpText<"Disable origins tracking in MemorySanitizer">;
667def fsanitize_memory_use_after_dtor : Flag<["-"], "fsanitize-memory-use-after-dtor">,
668                                     Group<f_clang_Group>, Flags<[CC1Option]>,
669                                     HelpText<"Enable use-after-destroy detection in MemorySanitizer">;
670def fsanitize_address_field_padding : Joined<["-"], "fsanitize-address-field-padding=">,
671                                        Group<f_clang_Group>, Flags<[CC1Option]>,
672                                        HelpText<"Level of field padding for AddressSanitizer">;
673def fsanitize_address_use_after_scope : Flag<["-"], "fsanitize-address-use-after-scope">,
674                                        Group<f_clang_Group>, Flags<[CC1Option]>,
675                                        HelpText<"Enable use-after-scope detection in AddressSanitizer">;
676def fsanitize_recover : Flag<["-"], "fsanitize-recover">, Group<f_clang_Group>,
677                        Flags<[CoreOption]>;
678def fno_sanitize_recover : Flag<["-"], "fno-sanitize-recover">,
679                           Group<f_clang_Group>, Flags<[CoreOption]>;
680def fsanitize_recover_EQ : CommaJoined<["-"], "fsanitize-recover=">,
681                           Group<f_clang_Group>,
682                           Flags<[CC1Option, CoreOption]>,
683                           HelpText<"Enable recovery for specified sanitizers">;
684def fno_sanitize_recover_EQ
685    : CommaJoined<["-"], "fno-sanitize-recover=">,
686      Group<f_clang_Group>, Flags<[CoreOption]>,
687      HelpText<"Disable recovery for specified sanitizers">;
688def fsanitize_trap_EQ : CommaJoined<["-"], "fsanitize-trap=">, Group<f_clang_Group>,
689                        Flags<[CC1Option, CoreOption]>,
690                        HelpText<"Enable trapping for specified sanitizers">;
691def fno_sanitize_trap_EQ : CommaJoined<["-"], "fno-sanitize-trap=">, Group<f_clang_Group>,
692                           Flags<[CoreOption]>,
693                           HelpText<"Disable trapping for specified sanitizers">;
694def fsanitize_undefined_trap_on_error : Flag<["-"], "fsanitize-undefined-trap-on-error">,
695                                        Group<f_clang_Group>;
696def fno_sanitize_undefined_trap_on_error : Flag<["-"], "fno-sanitize-undefined-trap-on-error">,
697                                           Group<f_clang_Group>;
698def fsanitize_link_cxx_runtime : Flag<["-"], "fsanitize-link-c++-runtime">,
699                                 Group<f_clang_Group>;
700def fsanitize_cfi_cross_dso : Flag<["-"], "fsanitize-cfi-cross-dso">,
701                              Group<f_clang_Group>, Flags<[CC1Option]>,
702                              HelpText<"Enable control flow integrity (CFI) checks for cross-DSO calls.">;
703def fno_sanitize_cfi_cross_dso : Flag<["-"], "fno-sanitize-cfi-cross-dso">,
704                                 Group<f_clang_Group>, Flags<[CC1Option]>,
705                                 HelpText<"Disable control flow integrity (CFI) checks for cross-DSO calls.">;
706def fsanitize_stats : Flag<["-"], "fsanitize-stats">,
707                              Group<f_clang_Group>, Flags<[CC1Option]>,
708                              HelpText<"Enable sanitizer statistics gathering.">;
709def fno_sanitize_stats : Flag<["-"], "fno-sanitize-stats">,
710                                 Group<f_clang_Group>, Flags<[CC1Option]>,
711                                 HelpText<"Disable sanitizer statistics gathering.">;
712def fsanitize_undefined_strip_path_components_EQ : Joined<["-"], "fsanitize-undefined-strip-path-components=">,
713  Group<f_clang_Group>, Flags<[CC1Option]>, MetaVarName<"<number>">,
714  HelpText<"Strip (or keep only, if negative) a given number of path components "
715           "when emitting check metadata.">;
716def funsafe_math_optimizations : Flag<["-"], "funsafe-math-optimizations">,
717  Group<f_Group>;
718def fno_unsafe_math_optimizations : Flag<["-"], "fno-unsafe-math-optimizations">,
719  Group<f_Group>;
720def fassociative_math : Flag<["-"], "fassociative-math">, Group<f_Group>;
721def fno_associative_math : Flag<["-"], "fno-associative-math">, Group<f_Group>;
722def freciprocal_math :
723  Flag<["-"], "freciprocal-math">, Group<f_Group>, Flags<[CC1Option]>,
724  HelpText<"Allow division operations to be reassociated">;
725def fno_reciprocal_math : Flag<["-"], "fno-reciprocal-math">, Group<f_Group>;
726def ffinite_math_only : Flag<["-"], "ffinite-math-only">, Group<f_Group>, Flags<[CC1Option]>;
727def fno_finite_math_only : Flag<["-"], "fno-finite-math-only">, Group<f_Group>;
728def fsigned_zeros : Flag<["-"], "fsigned-zeros">, Group<f_Group>;
729def fno_signed_zeros :
730  Flag<["-"], "fno-signed-zeros">, Group<f_Group>, Flags<[CC1Option]>,
731  HelpText<"Allow optimizations that ignore the sign of floating point zeros">;
732def fhonor_nans : Flag<["-"], "fhonor-nans">, Group<f_Group>;
733def fno_honor_nans : Flag<["-"], "fno-honor-nans">, Group<f_Group>;
734def fhonor_infinities : Flag<["-"], "fhonor-infinities">, Group<f_Group>;
735def fno_honor_infinities : Flag<["-"], "fno-honor-infinities">, Group<f_Group>;
736// This option was originally misspelt "infinites" [sic].
737def : Flag<["-"], "fhonor-infinites">, Alias<fhonor_infinities>;
738def : Flag<["-"], "fno-honor-infinites">, Alias<fno_honor_infinities>;
739def ftrapping_math : Flag<["-"], "ftrapping-math">, Group<f_Group>;
740def fno_trapping_math : Flag<["-"], "fno-trapping-math">, Group<f_Group>;
741def ffp_contract : Joined<["-"], "ffp-contract=">, Group<f_Group>,
742  Flags<[CC1Option]>, HelpText<"Form fused FP ops (e.g. FMAs): fast (everywhere)"
743  " | on (according to FP_CONTRACT pragma, default) | off (never fuse)">;
744
745def ffor_scope : Flag<["-"], "ffor-scope">, Group<f_Group>;
746def fno_for_scope : Flag<["-"], "fno-for-scope">, Group<f_Group>;
747
748def frewrite_includes : Flag<["-"], "frewrite-includes">, Group<f_Group>,
749  Flags<[CC1Option]>;
750def fno_rewrite_includes : Flag<["-"], "fno-rewrite-includes">, Group<f_Group>;
751
752def frewrite_map_file : Separate<["-"], "frewrite-map-file">,
753                        Group<f_Group>,
754                        Flags<[ DriverOption, CC1Option ]>;
755def frewrite_map_file_EQ : Joined<["-"], "frewrite-map-file=">,
756                           Group<f_Group>,
757                           Flags<[DriverOption]>;
758
759def fuse_line_directives : Flag<["-"], "fuse-line-directives">, Group<f_Group>,
760  Flags<[CC1Option]>;
761def fno_use_line_directives : Flag<["-"], "fno-use-line-directives">, Group<f_Group>;
762
763def ffreestanding : Flag<["-"], "ffreestanding">, Group<f_Group>, Flags<[CC1Option]>,
764  HelpText<"Assert that the compilation takes place in a freestanding environment">;
765def fgnu_keywords : Flag<["-"], "fgnu-keywords">, Group<f_Group>, Flags<[CC1Option]>,
766  HelpText<"Allow GNU-extension keywords regardless of language standard">;
767def fgnu89_inline : Flag<["-"], "fgnu89-inline">, Group<f_Group>, Flags<[CC1Option]>,
768  HelpText<"Use the gnu89 inline semantics">;
769def fno_gnu89_inline : Flag<["-"], "fno-gnu89-inline">, Group<f_Group>;
770def fgnu_runtime : Flag<["-"], "fgnu-runtime">, Group<f_Group>,
771  HelpText<"Generate output compatible with the standard GNU Objective-C runtime">;
772def fheinous_gnu_extensions : Flag<["-"], "fheinous-gnu-extensions">, Flags<[CC1Option]>;
773def filelist : Separate<["-"], "filelist">, Flags<[LinkerInput]>;
774def : Flag<["-"], "findirect-virtual-calls">, Alias<fapple_kext>;
775def finline_functions : Flag<["-"], "finline-functions">, Group<f_clang_Group>, Flags<[CC1Option]>,
776  HelpText<"Inline suitable functions">;
777def finline_hint_functions: Flag<["-"], "finline-hint-functions">, Group<f_clang_Group>, Flags<[CC1Option]>,
778  HelpText<"Inline functions wich are (explicitly or implicitly) marked inline">;
779def finline : Flag<["-"], "finline">, Group<clang_ignored_f_Group>;
780def finput_charset_EQ : Joined<["-"], "finput-charset=">, Group<f_Group>;
781def fexec_charset_EQ : Joined<["-"], "fexec-charset=">, Group<f_Group>;
782def finstrument_functions : Flag<["-"], "finstrument-functions">, Group<f_Group>, Flags<[CC1Option]>,
783  HelpText<"Generate calls to instrument function entry and exit">;
784
785def fxray_instrument : Flag<["-"], "fxray-instrument">, Group<f_Group>,
786  Flags<[CC1Option]>,
787  HelpText<"Generate XRay instrumentation sleds on function entry and exit">;
788def fnoxray_instrument : Flag<["-"], "fno-xray-instrument">, Group<f_Group>,
789  Flags<[CC1Option]>;
790
791def fxray_instruction_threshold_EQ :
792  JoinedOrSeparate<["-"], "fxray-instruction-threshold=">,
793  Group<f_Group>, Flags<[CC1Option]>,
794  HelpText<"Sets the minimum function size to instrument with XRay">;
795def fxray_instruction_threshold_ :
796  JoinedOrSeparate<["-"], "fxray-instruction-threshold">,
797  Group<f_Group>, Flags<[CC1Option]>;
798
799def flat__namespace : Flag<["-"], "flat_namespace">;
800def flax_vector_conversions : Flag<["-"], "flax-vector-conversions">, Group<f_Group>;
801def flimited_precision_EQ : Joined<["-"], "flimited-precision=">, Group<f_Group>;
802def flto_EQ : Joined<["-"], "flto=">, Flags<[CC1Option]>, Group<f_Group>,
803  HelpText<"Set LTO mode to either 'full' or 'thin'">;
804def flto : Flag<["-"], "flto">, Flags<[CC1Option]>, Group<f_Group>,
805  HelpText<"Enable LTO in 'full' mode">;
806def fno_lto : Flag<["-"], "fno-lto">, Group<f_Group>,
807  HelpText<"Disable LTO mode (default)">;
808def fthinlto_index_EQ : Joined<["-"], "fthinlto-index=">,
809  Flags<[CC1Option]>, Group<f_Group>,
810  HelpText<"Perform ThinLTO importing using provided function summary index">;
811def fmacro_backtrace_limit_EQ : Joined<["-"], "fmacro-backtrace-limit=">,
812                                Group<f_Group>, Flags<[DriverOption, CoreOption]>;
813def fmerge_all_constants : Flag<["-"], "fmerge-all-constants">, Group<f_Group>;
814def fmessage_length_EQ : Joined<["-"], "fmessage-length=">, Group<f_Group>;
815def fms_extensions : Flag<["-"], "fms-extensions">, Group<f_Group>, Flags<[CC1Option, CoreOption]>,
816  HelpText<"Accept some non-standard constructs supported by the Microsoft compiler">;
817def fms_compatibility : Flag<["-"], "fms-compatibility">, Group<f_Group>, Flags<[CC1Option, CoreOption]>,
818  HelpText<"Enable full Microsoft Visual C++ compatibility">;
819def fms_volatile : Joined<["-"], "fms-volatile">, Group<f_Group>, Flags<[CC1Option]>;
820def fmsc_version : Joined<["-"], "fmsc-version=">, Group<f_Group>, Flags<[DriverOption, CoreOption]>,
821  HelpText<"Microsoft compiler version number to report in _MSC_VER (0 = don't define it (default))">;
822def fms_compatibility_version
823    : Joined<["-"], "fms-compatibility-version=">,
824      Group<f_Group>,
825      Flags<[ CC1Option, CoreOption ]>,
826      HelpText<"Dot-separated value representing the Microsoft compiler "
827               "version number to report in _MSC_VER (0 = don't define it "
828               "(default))">;
829def fdelayed_template_parsing : Flag<["-"], "fdelayed-template-parsing">, Group<f_Group>,
830  HelpText<"Parse templated function definitions at the end of the "
831           "translation unit">,  Flags<[CC1Option]>;
832def fms_memptr_rep_EQ : Joined<["-"], "fms-memptr-rep=">, Group<f_Group>, Flags<[CC1Option]>;
833def fmodules_cache_path : Joined<["-"], "fmodules-cache-path=">, Group<i_Group>,
834  Flags<[DriverOption, CC1Option]>, MetaVarName<"<directory>">,
835  HelpText<"Specify the module cache path">;
836def fmodules_user_build_path : Separate<["-"], "fmodules-user-build-path">, Group<i_Group>,
837  Flags<[DriverOption, CC1Option]>, MetaVarName<"<directory>">,
838  HelpText<"Specify the module user build path">;
839def fmodules_prune_interval : Joined<["-"], "fmodules-prune-interval=">, Group<i_Group>,
840  Flags<[CC1Option]>, MetaVarName<"<seconds>">,
841  HelpText<"Specify the interval (in seconds) between attempts to prune the module cache">;
842def fmodules_prune_after : Joined<["-"], "fmodules-prune-after=">, Group<i_Group>,
843  Flags<[CC1Option]>, MetaVarName<"<seconds>">,
844  HelpText<"Specify the interval (in seconds) after which a module file will be considered unused">;
845def fmodules_search_all : Flag <["-"], "fmodules-search-all">, Group<f_Group>,
846  Flags<[DriverOption, CC1Option]>,
847  HelpText<"Search even non-imported modules to resolve references">;
848def fbuild_session_timestamp : Joined<["-"], "fbuild-session-timestamp=">,
849  Group<i_Group>, Flags<[CC1Option]>, MetaVarName<"<time since Epoch in seconds>">,
850  HelpText<"Time when the current build session started">;
851def fbuild_session_file : Joined<["-"], "fbuild-session-file=">,
852  Group<i_Group>, MetaVarName<"<file>">,
853  HelpText<"Use the last modification time of <file> as the build session timestamp">;
854def fmodules_validate_once_per_build_session : Flag<["-"], "fmodules-validate-once-per-build-session">,
855  Group<i_Group>, Flags<[CC1Option]>,
856  HelpText<"Don't verify input files for the modules if the module has been "
857           "successfully validated or loaded during this build session">;
858def fmodules_validate_system_headers : Flag<["-"], "fmodules-validate-system-headers">,
859  Group<i_Group>, Flags<[CC1Option]>,
860  HelpText<"Validate the system headers that a module depends on when loading the module">;
861def fmodules : Flag <["-"], "fmodules">, Group<f_Group>,
862  Flags<[DriverOption, CC1Option]>,
863  HelpText<"Enable the 'modules' language feature">;
864def fimplicit_module_maps : Flag <["-"], "fimplicit-module-maps">, Group<f_Group>,
865  Flags<[DriverOption, CC1Option]>,
866  HelpText<"Implicitly search the file system for module map files.">;
867def fmodule_maps : Flag <["-"], "fmodule-maps">, Alias<fimplicit_module_maps>;
868def fmodule_name_EQ : Joined<["-"], "fmodule-name=">, Group<f_Group>,
869  Flags<[DriverOption,CC1Option]>, MetaVarName<"<name>">,
870  HelpText<"Specify the name of the module to build">;
871def fmodule_name : Separate<["-"], "fmodule-name">, Alias<fmodule_name_EQ>;
872def fmodule_implementation_of : Separate<["-"], "fmodule-implementation-of">,
873  Flags<[CC1Option]>, Alias<fmodule_name_EQ>;
874def fmodule_map_file : Joined<["-"], "fmodule-map-file=">,
875  Group<f_Group>, Flags<[DriverOption,CC1Option]>, MetaVarName<"<file>">,
876  HelpText<"Load this module map file">;
877def fmodule_file : Joined<["-"], "fmodule-file=">,
878  Group<f_Group>, Flags<[DriverOption,CC1Option]>,
879  HelpText<"Load this precompiled module file">, MetaVarName<"<file>">;
880def fmodules_ignore_macro : Joined<["-"], "fmodules-ignore-macro=">, Group<f_Group>, Flags<[CC1Option]>,
881  HelpText<"Ignore the definition of the given macro when building and loading modules">;
882def fmodules_decluse : Flag <["-"], "fmodules-decluse">, Group<f_Group>,
883  Flags<[DriverOption,CC1Option]>,
884  HelpText<"Require declaration of modules used within a module">;
885def fmodules_strict_decluse : Flag <["-"], "fmodules-strict-decluse">, Group<f_Group>,
886  Flags<[DriverOption,CC1Option]>,
887  HelpText<"Like -fmodules-decluse but requires all headers to be in modules">;
888def fno_modules_search_all : Flag <["-"], "fno-modules-search-all">, Group<f_Group>,
889  Flags<[DriverOption, CC1Option]>;
890def fno_implicit_modules :
891  Flag <["-"], "fno-implicit-modules">,
892  Group<f_Group>, Flags<[DriverOption, CC1Option]>;
893def fretain_comments_from_system_headers : Flag<["-"], "fretain-comments-from-system-headers">, Group<f_Group>, Flags<[CC1Option]>;
894
895def fmudflapth : Flag<["-"], "fmudflapth">, Group<f_Group>;
896def fmudflap : Flag<["-"], "fmudflap">, Group<f_Group>;
897def fnested_functions : Flag<["-"], "fnested-functions">, Group<f_Group>;
898def fnext_runtime : Flag<["-"], "fnext-runtime">, Group<f_Group>;
899def fno_access_control : Flag<["-"], "fno-access-control">, Group<f_Group>, Flags<[CC1Option]>,
900  HelpText<"Disable C++ access control">;
901def fno_apple_pragma_pack : Flag<["-"], "fno-apple-pragma-pack">, Group<f_Group>;
902def fno_asm : Flag<["-"], "fno-asm">, Group<f_Group>;
903def fno_asynchronous_unwind_tables : Flag<["-"], "fno-asynchronous-unwind-tables">, Group<f_Group>;
904def fno_assume_sane_operator_new : Flag<["-"], "fno-assume-sane-operator-new">, Group<f_Group>,
905  HelpText<"Don't assume that C++'s global operator new can't alias any pointer">,
906  Flags<[CC1Option]>;
907def fno_blocks : Flag<["-"], "fno-blocks">, Group<f_Group>;
908def fno_borland_extensions : Flag<["-"], "fno-borland-extensions">, Group<f_Group>;
909def fno_builtin : Flag<["-"], "fno-builtin">, Group<f_Group>, Flags<[CC1Option]>,
910  HelpText<"Disable implicit builtin knowledge of functions">;
911def fno_builtin_ : Joined<["-"], "fno-builtin-">, Group<f_Group>, Flags<[CC1Option]>,
912  HelpText<"Disable implicit builtin knowledge of a specific function">;
913def fno_caret_diagnostics : Flag<["-"], "fno-caret-diagnostics">, Group<f_Group>,
914 Flags<[CC1Option]>;
915def fno_color_diagnostics : Flag<["-"], "fno-color-diagnostics">, Group<f_Group>,
916  Flags<[CoreOption, CC1Option]>;
917def fno_diagnostics_color : Flag<["-"], "fno-diagnostics-color">, Group<f_Group>,
918  Flags<[CoreOption, DriverOption]>;
919def fno_common : Flag<["-"], "fno-common">, Group<f_Group>, Flags<[CC1Option]>,
920    HelpText<"Compile common globals like normal definitions">;
921def fno_constant_cfstrings : Flag<["-"], "fno-constant-cfstrings">, Group<f_Group>,
922  Flags<[CC1Option]>,
923  HelpText<"Disable creation of CodeFoundation-type constant strings">;
924def fno_cxx_exceptions: Flag<["-"], "fno-cxx-exceptions">, Group<f_Group>;
925def fno_cxx_modules : Flag <["-"], "fno-cxx-modules">, Group<f_Group>,
926  Flags<[DriverOption]>;
927def fno_diagnostics_fixit_info : Flag<["-"], "fno-diagnostics-fixit-info">, Group<f_Group>,
928  Flags<[CC1Option]>, HelpText<"Do not include fixit information in diagnostics">;
929def fno_diagnostics_show_option : Flag<["-"], "fno-diagnostics-show-option">, Group<f_Group>;
930def fno_diagnostics_show_note_include_stack : Flag<["-"], "fno-diagnostics-show-note-include-stack">,
931    Flags<[CC1Option]>, Group<f_Group>;
932def fno_declspec : Flag<["-"], "fno-declspec">, Group<f_clang_Group>,
933  HelpText<"Disallow __declspec as a keyword">, Flags<[CC1Option]>;
934def fno_dollars_in_identifiers : Flag<["-"], "fno-dollars-in-identifiers">, Group<f_Group>,
935  HelpText<"Disallow '$' in identifiers">, Flags<[CC1Option]>;
936def fno_elide_constructors : Flag<["-"], "fno-elide-constructors">, Group<f_Group>,
937  HelpText<"Disable C++ copy constructor elision">, Flags<[CC1Option]>;
938def fno_eliminate_unused_debug_symbols : Flag<["-"], "fno-eliminate-unused-debug-symbols">, Group<f_Group>;
939def fno_exceptions : Flag<["-"], "fno-exceptions">, Group<f_Group>;
940def fno_gnu_keywords : Flag<["-"], "fno-gnu-keywords">, Group<f_Group>, Flags<[CC1Option]>;
941def fno_inline_functions : Flag<["-"], "fno-inline-functions">, Group<f_clang_Group>, Flags<[CC1Option]>;
942def fno_inline : Flag<["-"], "fno-inline">, Group<f_clang_Group>, Flags<[CC1Option]>;
943def fveclib : Joined<["-"], "fveclib=">, Group<f_Group>, Flags<[CC1Option]>,
944    HelpText<"Use the given vector functions library">;
945def fno_lax_vector_conversions : Flag<["-"], "fno-lax-vector-conversions">, Group<f_Group>,
946  HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">, Flags<[CC1Option]>;
947def fno_merge_all_constants : Flag<["-"], "fno-merge-all-constants">, Group<f_Group>,
948    Flags<[CC1Option]>, HelpText<"Disallow merging of constants">;
949def fno_modules : Flag <["-"], "fno-modules">, Group<f_Group>,
950  Flags<[DriverOption]>;
951def fno_implicit_module_maps : Flag <["-"], "fno-implicit-module-maps">, Group<f_Group>,
952  Flags<[DriverOption]>;
953def fno_module_maps : Flag <["-"], "fno-module-maps">, Alias<fno_implicit_module_maps>;
954def fno_modules_decluse : Flag <["-"], "fno-modules-decluse">, Group<f_Group>,
955  Flags<[DriverOption]>;
956def fno_modules_strict_decluse : Flag <["-"], "fno-strict-modules-decluse">, Group<f_Group>,
957  Flags<[DriverOption]>;
958def fimplicit_modules : Flag <["-"], "fimplicit-modules">, Group<f_Group>,
959  Flags<[DriverOption]>;
960def fmodule_file_deps : Flag <["-"], "fmodule-file-deps">, Group<f_Group>,
961  Flags<[DriverOption]>;
962def fno_module_file_deps : Flag <["-"], "fno-module-file-deps">, Group<f_Group>,
963  Flags<[DriverOption]>;
964def fno_ms_extensions : Flag<["-"], "fno-ms-extensions">, Group<f_Group>,
965  Flags<[CoreOption]>;
966def fno_ms_compatibility : Flag<["-"], "fno-ms-compatibility">, Group<f_Group>,
967  Flags<[CoreOption]>;
968def fno_delayed_template_parsing : Flag<["-"], "fno-delayed-template-parsing">, Group<f_Group>;
969def fno_objc_exceptions: Flag<["-"], "fno-objc-exceptions">, Group<f_Group>;
970def fno_objc_legacy_dispatch : Flag<["-"], "fno-objc-legacy-dispatch">, Group<f_Group>;
971def fno_objc_weak : Flag<["-"], "fno-objc-weak">, Group<f_Group>, Flags<[CC1Option]>;
972def fno_omit_frame_pointer : Flag<["-"], "fno-omit-frame-pointer">, Group<f_Group>;
973def fno_operator_names : Flag<["-"], "fno-operator-names">, Group<f_Group>,
974  HelpText<"Do not treat C++ operator name keywords as synonyms for operators">,
975  Flags<[CC1Option]>;
976def fno_pascal_strings : Flag<["-"], "fno-pascal-strings">, Group<f_Group>;
977def fno_rtti : Flag<["-"], "fno-rtti">, Group<f_Group>, Flags<[CC1Option]>,
978  HelpText<"Disable generation of rtti information">;
979def fno_short_enums : Flag<["-"], "fno-short-enums">, Group<f_Group>;
980def fno_show_column : Flag<["-"], "fno-show-column">, Group<f_Group>, Flags<[CC1Option]>,
981  HelpText<"Do not include column number on diagnostics">;
982def fno_show_source_location : Flag<["-"], "fno-show-source-location">, Group<f_Group>,
983  Flags<[CC1Option]>, HelpText<"Do not include source location information with diagnostics">;
984def fno_spell_checking : Flag<["-"], "fno-spell-checking">, Group<f_Group>,
985  Flags<[CC1Option]>, HelpText<"Disable spell-checking">;
986def fno_stack_protector : Flag<["-"], "fno-stack-protector">, Group<f_Group>,
987  HelpText<"Disable the use of stack protectors">;
988def fno_strict_aliasing : Flag<["-"], "fno-strict-aliasing">, Group<f_Group>,
989  Flags<[DriverOption, CoreOption]>;
990def fstruct_path_tbaa : Flag<["-"], "fstruct-path-tbaa">, Group<f_Group>;
991def fno_struct_path_tbaa : Flag<["-"], "fno-struct-path-tbaa">, Group<f_Group>;
992def fno_strict_enums : Flag<["-"], "fno-strict-enums">, Group<f_Group>;
993def fno_strict_vtable_pointers: Flag<["-"], "fno-strict-vtable-pointers">,
994  Group<f_Group>;
995def fno_strict_overflow : Flag<["-"], "fno-strict-overflow">, Group<f_Group>;
996def fno_threadsafe_statics : Flag<["-"], "fno-threadsafe-statics">, Group<f_Group>,
997  Flags<[CC1Option]>, HelpText<"Do not emit code to make initialization of local statics thread safe">;
998def fno_use_cxa_atexit : Flag<["-"], "fno-use-cxa-atexit">, Group<f_Group>, Flags<[CC1Option]>,
999  HelpText<"Don't use __cxa_atexit for calling destructors">;
1000def fno_use_init_array : Flag<["-"], "fno-use-init-array">, Group<f_Group>, Flags<[CC1Option]>,
1001  HelpText<"Don't use .init_array instead of .ctors">;
1002def fno_unit_at_a_time : Flag<["-"], "fno-unit-at-a-time">, Group<f_Group>;
1003def fno_unwind_tables : Flag<["-"], "fno-unwind-tables">, Group<f_Group>;
1004def fno_verbose_asm : Flag<["-"], "fno-verbose-asm">, Group<f_Group>;
1005def fno_working_directory : Flag<["-"], "fno-working-directory">, Group<f_Group>;
1006def fno_wrapv : Flag<["-"], "fno-wrapv">, Group<f_Group>;
1007def fno_zero_initialized_in_bss : Flag<["-"], "fno-zero-initialized-in-bss">, Group<f_Group>;
1008def fobjc_arc : Flag<["-"], "fobjc-arc">, Group<f_Group>, Flags<[CC1Option]>,
1009  HelpText<"Synthesize retain and release calls for Objective-C pointers">;
1010def fno_objc_arc : Flag<["-"], "fno-objc-arc">, Group<f_Group>;
1011def fobjc_arc_exceptions : Flag<["-"], "fobjc-arc-exceptions">, Group<f_Group>, Flags<[CC1Option]>,
1012  HelpText<"Use EH-safe code when synthesizing retains and releases in -fobjc-arc">;
1013def fno_objc_arc_exceptions : Flag<["-"], "fno-objc-arc-exceptions">, Group<f_Group>;
1014def fobjc_atdefs : Flag<["-"], "fobjc-atdefs">, Group<clang_ignored_f_Group>;
1015def fobjc_call_cxx_cdtors : Flag<["-"], "fobjc-call-cxx-cdtors">, Group<clang_ignored_f_Group>;
1016def fobjc_exceptions: Flag<["-"], "fobjc-exceptions">, Group<f_Group>,
1017  HelpText<"Enable Objective-C exceptions">, Flags<[CC1Option]>;
1018def fapplication_extension : Flag<["-"], "fapplication-extension">,
1019  Group<f_Group>, Flags<[CC1Option]>,
1020  HelpText<"Restrict code to those available for App Extensions">;
1021def fno_application_extension : Flag<["-"], "fno-application-extension">,
1022  Group<f_Group>;
1023def fsized_deallocation : Flag<["-"], "fsized-deallocation">, Flags<[CC1Option]>,
1024  HelpText<"Enable C++14 sized global deallocation functions">, Group<f_Group>;
1025def fno_sized_deallocation: Flag<["-"], "fno-sized-deallocation">, Group<f_Group>;
1026
1027def fobjc_gc_only : Flag<["-"], "fobjc-gc-only">, Group<f_Group>, Flags<[CC1Option]>,
1028  HelpText<"Use GC exclusively for Objective-C related memory management">;
1029def fobjc_gc : Flag<["-"], "fobjc-gc">, Group<f_Group>, Flags<[CC1Option]>,
1030  HelpText<"Enable Objective-C garbage collection">;
1031def fobjc_legacy_dispatch : Flag<["-"], "fobjc-legacy-dispatch">, Group<f_Group>;
1032def fobjc_new_property : Flag<["-"], "fobjc-new-property">, Group<clang_ignored_f_Group>;
1033def fobjc_infer_related_result_type : Flag<["-"], "fobjc-infer-related-result-type">,
1034                                      Group<f_Group>;
1035def fno_objc_infer_related_result_type : Flag<["-"],
1036  "fno-objc-infer-related-result-type">, Group<f_Group>,
1037  HelpText<
1038    "do not infer Objective-C related result type based on method family">,
1039  Flags<[CC1Option]>;
1040def fobjc_link_runtime: Flag<["-"], "fobjc-link-runtime">, Group<f_Group>;
1041def fobjc_weak : Flag<["-"], "fobjc-weak">, Group<f_Group>, Flags<[CC1Option]>,
1042  HelpText<"Enable ARC-style weak references in Objective-C">;
1043
1044// Objective-C ABI options.
1045def fobjc_runtime_EQ : Joined<["-"], "fobjc-runtime=">, Group<f_Group>, Flags<[CC1Option]>,
1046  HelpText<"Specify the target Objective-C runtime kind and version">;
1047def fobjc_abi_version_EQ : Joined<["-"], "fobjc-abi-version=">, Group<f_Group>;
1048def fobjc_nonfragile_abi_version_EQ : Joined<["-"], "fobjc-nonfragile-abi-version=">, Group<f_Group>;
1049def fobjc_nonfragile_abi : Flag<["-"], "fobjc-nonfragile-abi">, Group<f_Group>;
1050def fno_objc_nonfragile_abi : Flag<["-"], "fno-objc-nonfragile-abi">, Group<f_Group>;
1051
1052def fobjc_sender_dependent_dispatch : Flag<["-"], "fobjc-sender-dependent-dispatch">, Group<f_Group>;
1053def fomit_frame_pointer : Flag<["-"], "fomit-frame-pointer">, Group<f_Group>;
1054def fopenmp : Flag<["-"], "fopenmp">, Group<f_Group>, Flags<[CC1Option, NoArgumentUnused]>;
1055def fno_openmp : Flag<["-"], "fno-openmp">, Group<f_Group>, Flags<[NoArgumentUnused]>;
1056def fopenmp_version_EQ : Joined<["-"], "fopenmp-version=">, Group<f_Group>, Flags<[CC1Option, NoArgumentUnused]>;
1057def fopenmp_EQ : Joined<["-"], "fopenmp=">, Group<f_Group>;
1058def fopenmp_use_tls : Flag<["-"], "fopenmp-use-tls">, Group<f_Group>, Flags<[NoArgumentUnused]>;
1059def fnoopenmp_use_tls : Flag<["-"], "fnoopenmp-use-tls">, Group<f_Group>, Flags<[CC1Option, NoArgumentUnused]>;
1060def fopenmp_targets_EQ : CommaJoined<["-"], "fopenmp-targets=">, Flags<[DriverOption, CC1Option]>,
1061  HelpText<"Specify comma-separated list of triples OpenMP offloading targets to be supported">;
1062def fno_optimize_sibling_calls : Flag<["-"], "fno-optimize-sibling-calls">, Group<f_Group>;
1063def foptimize_sibling_calls : Flag<["-"], "foptimize-sibling-calls">, Group<f_Group>;
1064def force__cpusubtype__ALL : Flag<["-"], "force_cpusubtype_ALL">;
1065def force__flat__namespace : Flag<["-"], "force_flat_namespace">;
1066def force__load : Separate<["-"], "force_load">;
1067def force_addr : Joined<["-"], "fforce-addr">, Group<clang_ignored_f_Group>;
1068def foutput_class_dir_EQ : Joined<["-"], "foutput-class-dir=">, Group<f_Group>;
1069def fpack_struct : Flag<["-"], "fpack-struct">, Group<f_Group>;
1070def fno_pack_struct : Flag<["-"], "fno-pack-struct">, Group<f_Group>;
1071def fpack_struct_EQ : Joined<["-"], "fpack-struct=">, Group<f_Group>, Flags<[CC1Option]>,
1072  HelpText<"Specify the default maximum struct packing alignment">;
1073def fmax_type_align_EQ : Joined<["-"], "fmax-type-align=">, Group<f_Group>, Flags<[CC1Option]>,
1074  HelpText<"Specify the maximum alignment to enforce on pointers lacking an explicit alignment">;
1075def fno_max_type_align : Flag<["-"], "fno-max-type-align">, Group<f_Group>;
1076def fpascal_strings : Flag<["-"], "fpascal-strings">, Group<f_Group>, Flags<[CC1Option]>,
1077  HelpText<"Recognize and construct Pascal-style string literals">;
1078def fpcc_struct_return : Flag<["-"], "fpcc-struct-return">, Group<f_Group>, Flags<[CC1Option]>,
1079  HelpText<"Override the default ABI to return all structs on the stack">;
1080def fpch_preprocess : Flag<["-"], "fpch-preprocess">, Group<f_Group>;
1081def fpic : Flag<["-"], "fpic">, Group<f_Group>;
1082def fno_pic : Flag<["-"], "fno-pic">, Group<f_Group>;
1083def fpie : Flag<["-"], "fpie">, Group<f_Group>;
1084def fno_pie : Flag<["-"], "fno-pie">, Group<f_Group>;
1085def fplugin_EQ : Joined<["-"], "fplugin=">, Group<f_Group>, Flags<[DriverOption]>, MetaVarName<"<dsopath>">,
1086  HelpText<"Load the named plugin (dynamic shared object)">;
1087def fprofile_arcs : Flag<["-"], "fprofile-arcs">, Group<f_Group>;
1088def fno_profile_arcs : Flag<["-"], "fno-profile-arcs">, Group<f_Group>;
1089def framework : Separate<["-"], "framework">, Flags<[LinkerInput]>;
1090def frandom_seed_EQ : Joined<["-"], "frandom-seed=">, Group<clang_ignored_f_Group>;
1091def freg_struct_return : Flag<["-"], "freg-struct-return">, Group<f_Group>, Flags<[CC1Option]>,
1092  HelpText<"Override the default ABI to return small structs in registers">;
1093def frtti : Flag<["-"], "frtti">, Group<f_Group>;
1094def : Flag<["-"], "fsched-interblock">, Group<clang_ignored_f_Group>;
1095def fshort_enums : Flag<["-"], "fshort-enums">, Group<f_Group>, Flags<[CC1Option]>,
1096  HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">;
1097def fshort_wchar : Flag<["-"], "fshort-wchar">, Group<f_Group>, Flags<[CC1Option]>,
1098  HelpText<"Force wchar_t to be a short unsigned int">;
1099def fno_short_wchar : Flag<["-"], "fno-short-wchar">, Group<f_Group>, Flags<[CC1Option]>,
1100  HelpText<"Force wchar_t to be an unsigned int">;
1101def fshow_overloads_EQ : Joined<["-"], "fshow-overloads=">, Group<f_Group>, Flags<[CC1Option]>,
1102  HelpText<"Which overload candidates to show when overload resolution fails: "
1103           "best|all; defaults to all">;
1104def fshow_column : Flag<["-"], "fshow-column">, Group<f_Group>, Flags<[CC1Option]>;
1105def fshow_source_location : Flag<["-"], "fshow-source-location">, Group<f_Group>;
1106def fspell_checking : Flag<["-"], "fspell-checking">, Group<f_Group>;
1107def fspell_checking_limit_EQ : Joined<["-"], "fspell-checking-limit=">, Group<f_Group>;
1108def fsigned_bitfields : Flag<["-"], "fsigned-bitfields">, Group<f_Group>;
1109def fsigned_char : Flag<["-"], "fsigned-char">, Group<f_Group>;
1110def fno_signed_char : Flag<["-"], "fno-signed-char">, Group<f_Group>,
1111    Flags<[CC1Option]>, HelpText<"Char is unsigned">;
1112def fsplit_stack : Flag<["-"], "fsplit-stack">, Group<f_Group>;
1113def fstack_protector_all : Flag<["-"], "fstack-protector-all">, Group<f_Group>,
1114  HelpText<"Force the usage of stack protectors for all functions">;
1115def fstack_protector_strong : Flag<["-"], "fstack-protector-strong">, Group<f_Group>,
1116  HelpText<"Use a strong heuristic to apply stack protectors to functions">;
1117def fstack_protector : Flag<["-"], "fstack-protector">, Group<f_Group>,
1118  HelpText<"Enable stack protectors for functions potentially vulnerable to stack smashing">;
1119def fstandalone_debug : Flag<["-"], "fstandalone-debug">, Group<f_Group>,
1120  HelpText<"Emit full debug info for all types used by the program">;
1121def fno_standalone_debug : Flag<["-"], "fno-standalone-debug">, Group<f_Group>,
1122  HelpText<"Limit debug information produced to reduce size of debug binary">;
1123def flimit_debug_info : Flag<["-"], "flimit-debug-info">, Alias<fno_standalone_debug>;
1124def fno_limit_debug_info : Flag<["-"], "fno-limit-debug-info">, Alias<fstandalone_debug>;
1125def fstrict_aliasing : Flag<["-"], "fstrict-aliasing">, Group<f_Group>,
1126  Flags<[DriverOption, CoreOption]>;
1127def fstrict_enums : Flag<["-"], "fstrict-enums">, Group<f_Group>, Flags<[CC1Option]>,
1128  HelpText<"Enable optimizations based on the strict definition of an enum's "
1129           "value range">;
1130def fstrict_vtable_pointers: Flag<["-"], "fstrict-vtable-pointers">,
1131  Group<f_Group>, Flags<[CC1Option]>,
1132  HelpText<"Enable optimizations based on the strict rules for overwriting "
1133             "polymorphic C++ objects">;
1134def fstrict_overflow : Flag<["-"], "fstrict-overflow">, Group<f_Group>;
1135def fsyntax_only : Flag<["-"], "fsyntax-only">,
1136  Flags<[DriverOption,CoreOption,CC1Option]>, Group<Action_Group>;
1137def ftabstop_EQ : Joined<["-"], "ftabstop=">, Group<f_Group>;
1138def ftemplate_depth_EQ : Joined<["-"], "ftemplate-depth=">, Group<f_Group>;
1139def ftemplate_depth_ : Joined<["-"], "ftemplate-depth-">, Group<f_Group>;
1140def ftemplate_backtrace_limit_EQ : Joined<["-"], "ftemplate-backtrace-limit=">,
1141                                   Group<f_Group>;
1142def foperator_arrow_depth_EQ : Joined<["-"], "foperator-arrow-depth=">,
1143                               Group<f_Group>;
1144def ftest_coverage : Flag<["-"], "ftest-coverage">, Group<f_Group>;
1145def fvectorize : Flag<["-"], "fvectorize">, Group<f_Group>,
1146  HelpText<"Enable the loop vectorization passes">;
1147def fno_vectorize : Flag<["-"], "fno-vectorize">, Group<f_Group>;
1148def : Flag<["-"], "ftree-vectorize">, Alias<fvectorize>;
1149def : Flag<["-"], "fno-tree-vectorize">, Alias<fno_vectorize>;
1150def fslp_vectorize : Flag<["-"], "fslp-vectorize">, Group<f_Group>,
1151  HelpText<"Enable the superword-level parallelism vectorization passes">;
1152def fno_slp_vectorize : Flag<["-"], "fno-slp-vectorize">, Group<f_Group>;
1153def fslp_vectorize_aggressive : Flag<["-"], "fslp-vectorize-aggressive">, Group<f_Group>,
1154  HelpText<"Enable the BB vectorization passes">;
1155def fno_slp_vectorize_aggressive : Flag<["-"], "fno-slp-vectorize-aggressive">, Group<f_Group>;
1156def : Flag<["-"], "ftree-slp-vectorize">, Alias<fslp_vectorize>;
1157def : Flag<["-"], "fno-tree-slp-vectorize">, Alias<fno_slp_vectorize>;
1158def Wlarge_by_value_copy_def : Flag<["-"], "Wlarge-by-value-copy">,
1159  HelpText<"Warn if a function definition returns or accepts an object larger "
1160           "in bytes than a given value">, Flags<[HelpHidden]>;
1161def Wlarge_by_value_copy_EQ : Joined<["-"], "Wlarge-by-value-copy=">, Flags<[CC1Option]>;
1162
1163// These "special" warning flags are effectively processed as f_Group flags by the driver:
1164// Just silence warnings about -Wlarger-than for now.
1165def Wlarger_than_EQ : Joined<["-"], "Wlarger-than=">, Group<clang_ignored_f_Group>;
1166def Wlarger_than_ : Joined<["-"], "Wlarger-than-">, Alias<Wlarger_than_EQ>;
1167def Wframe_larger_than_EQ : Joined<["-"], "Wframe-larger-than=">, Group<f_Group>, Flags<[DriverOption]>;
1168
1169def : Flag<["-"], "fterminated-vtables">, Alias<fapple_kext>;
1170def fthreadsafe_statics : Flag<["-"], "fthreadsafe-statics">, Group<f_Group>;
1171def ftime_report : Flag<["-"], "ftime-report">, Group<f_Group>, Flags<[CC1Option]>;
1172def ftlsmodel_EQ : Joined<["-"], "ftls-model=">, Group<f_Group>, Flags<[CC1Option]>;
1173def ftrapv : Flag<["-"], "ftrapv">, Group<f_Group>, Flags<[CC1Option]>,
1174  HelpText<"Trap on integer overflow">;
1175def ftrapv_handler_EQ : Joined<["-"], "ftrapv-handler=">, Group<f_Group>,
1176  MetaVarName<"<function name>">,
1177  HelpText<"Specify the function to be called on overflow">;
1178def ftrapv_handler : Separate<["-"], "ftrapv-handler">, Group<f_Group>, Flags<[CC1Option]>;
1179def ftrap_function_EQ : Joined<["-"], "ftrap-function=">, Group<f_Group>, Flags<[CC1Option]>,
1180  HelpText<"Issue call to specified function rather than a trap instruction">;
1181def funit_at_a_time : Flag<["-"], "funit-at-a-time">, Group<f_Group>;
1182def funroll_loops : Flag<["-"], "funroll-loops">, Group<f_Group>,
1183  HelpText<"Turn on loop unroller">, Flags<[CC1Option]>;
1184def fno_unroll_loops : Flag<["-"], "fno-unroll-loops">, Group<f_Group>,
1185  HelpText<"Turn off loop unroller">, Flags<[CC1Option]>;
1186def freroll_loops : Flag<["-"], "freroll-loops">, Group<f_Group>,
1187  HelpText<"Turn on loop reroller">, Flags<[CC1Option]>;
1188def fno_reroll_loops : Flag<["-"], "fno-reroll-loops">, Group<f_Group>,
1189  HelpText<"Turn off loop reroller">;
1190def ftrigraphs : Flag<["-"], "ftrigraphs">, Group<f_Group>,
1191  HelpText<"Process trigraph sequences">, Flags<[CC1Option]>;
1192def fno_trigraphs : Flag<["-"], "fno-trigraphs">, Group<f_Group>,
1193  HelpText<"Do not process trigraph sequences">, Flags<[CC1Option]>;
1194def funsigned_bitfields : Flag<["-"], "funsigned-bitfields">, Group<f_Group>;
1195def funsigned_char : Flag<["-"], "funsigned-char">, Group<f_Group>;
1196def fno_unsigned_char : Flag<["-"], "fno-unsigned-char">;
1197def funwind_tables : Flag<["-"], "funwind-tables">, Group<f_Group>;
1198def fuse_cxa_atexit : Flag<["-"], "fuse-cxa-atexit">, Group<f_Group>;
1199def fuse_init_array : Flag<["-"], "fuse-init-array">, Group<f_Group>, Flags<[CC1Option]>,
1200  HelpText<"Use .init_array instead of .ctors">;
1201def fno_var_tracking : Flag<["-"], "fno-var-tracking">, Group<clang_ignored_f_Group>;
1202def fverbose_asm : Flag<["-"], "fverbose-asm">, Group<f_Group>;
1203def fvisibility_EQ : Joined<["-"], "fvisibility=">, Group<f_Group>,
1204  HelpText<"Set the default symbol visibility for all global declarations">;
1205def fvisibility_inlines_hidden : Flag<["-"], "fvisibility-inlines-hidden">, Group<f_Group>,
1206  HelpText<"Give inline C++ member functions default visibility by default">,
1207  Flags<[CC1Option]>;
1208def fvisibility_ms_compat : Flag<["-"], "fvisibility-ms-compat">, Group<f_Group>,
1209  HelpText<"Give global types 'default' visibility and global functions and "
1210           "variables 'hidden' visibility by default">;
1211def fwhole_program_vtables : Flag<["-"], "fwhole-program-vtables">, Group<f_Group>,
1212  Flags<[CC1Option]>,
1213  HelpText<"Enables whole-program vtable optimization. Requires -flto">;
1214def fno_whole_program_vtables : Flag<["-"], "fno-whole-program-vtables">, Group<f_Group>;
1215def fwrapv : Flag<["-"], "fwrapv">, Group<f_Group>, Flags<[CC1Option]>,
1216  HelpText<"Treat signed integer overflow as two's complement">;
1217def fwritable_strings : Flag<["-"], "fwritable-strings">, Group<f_Group>, Flags<[CC1Option]>,
1218  HelpText<"Store string literals as writable data">;
1219def fzero_initialized_in_bss : Flag<["-"], "fzero-initialized-in-bss">, Group<f_Group>;
1220def ffunction_sections : Flag<["-"], "ffunction-sections">, Group<f_Group>,
1221  Flags<[CC1Option]>,
1222  HelpText<"Place each function in its own section (ELF Only)">;
1223def fno_function_sections : Flag<["-"], "fno-function-sections">,
1224  Group<f_Group>, Flags<[CC1Option]>;
1225def fdata_sections : Flag <["-"], "fdata-sections">, Group<f_Group>,
1226 Flags<[CC1Option]>, HelpText<"Place each data in its own section (ELF Only)">;
1227def fno_data_sections : Flag <["-"], "fno-data-sections">, Group<f_Group>,
1228  Flags<[CC1Option]>;
1229
1230def funique_section_names : Flag <["-"], "funique-section-names">,
1231  Group<f_Group>, Flags<[CC1Option]>,
1232  HelpText<"Use unique names for text and data sections (ELF Only)">;
1233def fno_unique_section_names : Flag <["-"], "fno-unique-section-names">,
1234  Group<f_Group>, Flags<[CC1Option]>;
1235
1236
1237def fdebug_types_section: Flag <["-"], "fdebug-types-section">, Group<f_Group>,
1238  Flags<[CC1Option]>, HelpText<"Place debug types in their own section (ELF Only)">;
1239def fno_debug_types_section: Flag<["-"], "fno-debug-types-section">, Group<f_Group>,
1240  Flags<[CC1Option]>;
1241def fdebug_prefix_map_EQ
1242  : Joined<["-"], "fdebug-prefix-map=">, Group<f_Group>, Flags<[CC1Option]>,
1243    HelpText<"remap file source paths in debug info">;
1244def g_Flag : Flag<["-"], "g">, Group<g_Group>,
1245  HelpText<"Generate source-level debug information">;
1246def gline_tables_only : Flag<["-"], "gline-tables-only">, Group<gN_Group>,
1247  HelpText<"Emit debug line number tables only">;
1248def gmlt : Flag<["-"], "gmlt">, Alias<gline_tables_only>;
1249def g0 : Flag<["-"], "g0">, Group<gN_Group>;
1250def g1 : Flag<["-"], "g1">, Group<gN_Group>, Alias<gline_tables_only>;
1251def g2 : Flag<["-"], "g2">, Group<gN_Group>;
1252def g3 : Flag<["-"], "g3">, Group<gN_Group>;
1253def ggdb : Flag<["-"], "ggdb">, Group<gTune_Group>;
1254def ggdb0 : Flag<["-"], "ggdb0">, Group<ggdbN_Group>;
1255def ggdb1 : Flag<["-"], "ggdb1">, Group<ggdbN_Group>;
1256def ggdb2 : Flag<["-"], "ggdb2">, Group<ggdbN_Group>;
1257def ggdb3 : Flag<["-"], "ggdb3">, Group<ggdbN_Group>;
1258def glldb : Flag<["-"], "glldb">, Group<gTune_Group>;
1259def gsce : Flag<["-"], "gsce">, Group<gTune_Group>;
1260def gdwarf_2 : Flag<["-"], "gdwarf-2">, Group<g_Group>,
1261  HelpText<"Generate source-level debug information with dwarf version 2">;
1262def gdwarf_3 : Flag<["-"], "gdwarf-3">, Group<g_Group>,
1263  HelpText<"Generate source-level debug information with dwarf version 3">;
1264def gdwarf_4 : Flag<["-"], "gdwarf-4">, Group<g_Group>,
1265  HelpText<"Generate source-level debug information with dwarf version 4">;
1266def gdwarf_5 : Flag<["-"], "gdwarf-5">, Group<g_Group>,
1267  HelpText<"Generate source-level debug information with dwarf version 5">;
1268def gcodeview : Flag<["-"], "gcodeview">,
1269  HelpText<"Generate CodeView debug information">,
1270  Flags<[CC1Option, CC1AsOption, CoreOption]>;
1271// Equivalent to our default dwarf version. Forces usual dwarf emission when
1272// CodeView is enabled.
1273def gdwarf : Flag<["-"], "gdwarf">, Alias<gdwarf_4>, Flags<[CoreOption]>;
1274
1275def gfull : Flag<["-"], "gfull">, Group<g_Group>;
1276def gused : Flag<["-"], "gused">, Group<g_Group>;
1277def gstabs : Joined<["-"], "gstabs">, Group<g_Group>, Flags<[Unsupported]>;
1278def gcoff : Joined<["-"], "gcoff">, Group<g_Group>, Flags<[Unsupported]>;
1279def gxcoff : Joined<["-"], "gxcoff">, Group<g_Group>, Flags<[Unsupported]>;
1280def gvms : Joined<["-"], "gvms">, Group<g_Group>, Flags<[Unsupported]>;
1281def gtoggle : Flag<["-"], "gtoggle">, Group<g_flags_Group>, Flags<[Unsupported]>;
1282def grecord_gcc_switches : Flag<["-"], "grecord-gcc-switches">, Group<g_flags_Group>;
1283def gno_record_gcc_switches : Flag<["-"], "gno-record-gcc-switches">,
1284  Group<g_flags_Group>;
1285def gstrict_dwarf : Flag<["-"], "gstrict-dwarf">, Group<g_flags_Group>;
1286def gno_strict_dwarf : Flag<["-"], "gno-strict-dwarf">, Group<g_flags_Group>;
1287def gcolumn_info : Flag<["-"], "gcolumn-info">, Group<g_flags_Group>;
1288def gno_column_info : Flag<["-"], "gno-column-info">, Group<g_flags_Group>;
1289def gsplit_dwarf : Flag<["-"], "gsplit-dwarf">, Group<g_flags_Group>;
1290def ggnu_pubnames : Flag<["-"], "ggnu-pubnames">, Group<g_flags_Group>;
1291def gdwarf_aranges : Flag<["-"], "gdwarf-aranges">, Group<g_flags_Group>;
1292def gmodules : Flag <["-"], "gmodules">, Group<f_Group>,
1293  HelpText<"Generate debug info with external references to clang modules"
1294           " or precompiled headers">;
1295def headerpad__max__install__names : Joined<["-"], "headerpad_max_install_names">;
1296def help : Flag<["-", "--"], "help">, Flags<[CC1Option,CC1AsOption]>,
1297  HelpText<"Display available options">;
1298def index_header_map : Flag<["-"], "index-header-map">, Flags<[CC1Option]>,
1299  HelpText<"Make the next included directory (-I or -F) an indexer header map">;
1300def idirafter : JoinedOrSeparate<["-"], "idirafter">, Group<clang_i_Group>, Flags<[CC1Option]>,
1301  HelpText<"Add directory to AFTER include search path">;
1302def iframework : JoinedOrSeparate<["-"], "iframework">, Group<clang_i_Group>, Flags<[CC1Option]>,
1303  HelpText<"Add directory to SYSTEM framework search path">;
1304def imacros : JoinedOrSeparate<["-", "--"], "imacros">, Group<clang_i_Group>, Flags<[CC1Option]>,
1305  HelpText<"Include macros from file before parsing">, MetaVarName<"<file>">;
1306def image__base : Separate<["-"], "image_base">;
1307def include_ : JoinedOrSeparate<["-", "--"], "include">, Group<clang_i_Group>, EnumName<"include">,
1308    MetaVarName<"<file>">, HelpText<"Include file before parsing">, Flags<[CC1Option]>;
1309def include_pch : Separate<["-"], "include-pch">, Group<clang_i_Group>, Flags<[CC1Option]>,
1310  HelpText<"Include precompiled header file">, MetaVarName<"<file>">;
1311def relocatable_pch : Flag<["-", "--"], "relocatable-pch">, Flags<[CC1Option]>,
1312  HelpText<"Whether to build a relocatable precompiled header">;
1313def verify_pch : Flag<["-"], "verify-pch">, Group<Action_Group>, Flags<[CC1Option]>,
1314  HelpText<"Load and verify that a pre-compiled header file is not stale">;
1315def init : Separate<["-"], "init">;
1316def install__name : Separate<["-"], "install_name">;
1317def iprefix : JoinedOrSeparate<["-"], "iprefix">, Group<clang_i_Group>, Flags<[CC1Option]>,
1318  HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">, MetaVarName<"<dir>">;
1319def iquote : JoinedOrSeparate<["-"], "iquote">, Group<clang_i_Group>, Flags<[CC1Option]>,
1320  HelpText<"Add directory to QUOTE include search path">, MetaVarName<"<directory>">;
1321def isysroot : JoinedOrSeparate<["-"], "isysroot">, Group<clang_i_Group>, Flags<[CC1Option]>,
1322  HelpText<"Set the system root directory (usually /)">, MetaVarName<"<dir>">;
1323def isystem : JoinedOrSeparate<["-"], "isystem">, Group<clang_i_Group>,
1324  Flags<[CC1Option]>,
1325  HelpText<"Add directory to SYSTEM include search path">, MetaVarName<"<directory>">;
1326def isystem_after : JoinedOrSeparate<["-"], "isystem-after">,
1327  Group<clang_i_Group>, Flags<[DriverOption]>, MetaVarName<"<directory>">,
1328  HelpText<"Add directory to end of the SYSTEM include search path">;
1329def iwithprefixbefore : JoinedOrSeparate<["-"], "iwithprefixbefore">, Group<clang_i_Group>,
1330  HelpText<"Set directory to include search path with prefix">, MetaVarName<"<dir>">,
1331  Flags<[CC1Option]>;
1332def iwithprefix : JoinedOrSeparate<["-"], "iwithprefix">, Group<clang_i_Group>, Flags<[CC1Option]>,
1333  HelpText<"Set directory to SYSTEM include search path with prefix">, MetaVarName<"<dir>">;
1334def iwithsysroot : JoinedOrSeparate<["-"], "iwithsysroot">, Group<clang_i_Group>,
1335  HelpText<"Add directory to SYSTEM include search path, "
1336           "absolute paths are relative to -isysroot">, MetaVarName<"<directory>">,
1337  Flags<[CC1Option]>;
1338def ivfsoverlay : JoinedOrSeparate<["-"], "ivfsoverlay">, Group<clang_i_Group>, Flags<[CC1Option]>,
1339  HelpText<"Overlay the virtual filesystem described by file over the real file system">;
1340def i : Joined<["-"], "i">, Group<i_Group>;
1341def keep__private__externs : Flag<["-"], "keep_private_externs">;
1342def l : JoinedOrSeparate<["-"], "l">, Flags<[LinkerInput, RenderJoined]>;
1343def lazy__framework : Separate<["-"], "lazy_framework">, Flags<[LinkerInput]>;
1344def lazy__library : Separate<["-"], "lazy_library">, Flags<[LinkerInput]>;
1345def mlittle_endian : Flag<["-"], "mlittle-endian">, Flags<[DriverOption]>;
1346def EL : Flag<["-"], "EL">, Alias<mlittle_endian>;
1347def mbig_endian : Flag<["-"], "mbig-endian">, Flags<[DriverOption]>;
1348def EB : Flag<["-"], "EB">, Alias<mbig_endian>;
1349def m16 : Flag<["-"], "m16">, Group<m_Group>, Flags<[DriverOption, CoreOption]>;
1350def m32 : Flag<["-"], "m32">, Group<m_Group>, Flags<[DriverOption, CoreOption]>;
1351def mqdsp6_compat : Flag<["-"], "mqdsp6-compat">, Group<m_Group>, Flags<[DriverOption,CC1Option]>,
1352  HelpText<"Enable hexagon-qdsp6 backward compatibility">;
1353def m3dnowa : Flag<["-"], "m3dnowa">, Group<m_x86_Features_Group>;
1354def m3dnow : Flag<["-"], "m3dnow">, Group<m_x86_Features_Group>;
1355def m64 : Flag<["-"], "m64">, Group<m_Group>, Flags<[DriverOption, CoreOption]>;
1356def mx32 : Flag<["-"], "mx32">, Group<m_Group>, Flags<[DriverOption, CoreOption]>;
1357def mabi_EQ : Joined<["-"], "mabi=">, Group<m_Group>;
1358def miamcu : Flag<["-"], "miamcu">, Group<m_Group>, Flags<[DriverOption, CoreOption]>,
1359  HelpText<"Use Intel MCU ABI">;
1360def mno_iamcu : Flag<["-"], "mno-iamcu">, Group<m_Group>, Flags<[DriverOption, CoreOption]>;
1361def malign_functions_EQ : Joined<["-"], "malign-functions=">, Group<clang_ignored_m_Group>;
1362def malign_loops_EQ : Joined<["-"], "malign-loops=">, Group<clang_ignored_m_Group>;
1363def malign_jumps_EQ : Joined<["-"], "malign-jumps=">, Group<clang_ignored_m_Group>;
1364def mfancy_math_387 : Flag<["-"], "mfancy-math-387">, Group<clang_ignored_m_Group>;
1365def mtvos_version_min_EQ : Joined<["-"], "mtvos-version-min=">, Group<m_Group>;
1366def mappletvos_version_min_EQ : Joined<["-"], "mappletvos-version-min=">, Alias<mtvos_version_min_EQ>;
1367def mtvos_simulator_version_min_EQ : Joined<["-"], "mtvos-simulator-version-min=">, Alias<mtvos_version_min_EQ>;
1368def mappletvsimulator_version_min_EQ : Joined<["-"], "mappletvsimulator-version-min=">, Alias<mtvos_version_min_EQ>;
1369def mwatchos_version_min_EQ : Joined<["-"], "mwatchos-version-min=">, Group<m_Group>;
1370def mwatchos_simulator_version_min_EQ : Joined<["-"], "mwatchos-simulator-version-min=">, Alias<mwatchos_version_min_EQ>;
1371def mwatchsimulator_version_min_EQ : Joined<["-"], "mwatchsimulator-version-min=">, Alias<mwatchos_version_min_EQ>;
1372def march_EQ : Joined<["-"], "march=">, Group<m_Group>;
1373def masm_EQ : Joined<["-"], "masm=">, Group<m_Group>, Flags<[DriverOption]>;
1374def mcmodel_EQ : Joined<["-"], "mcmodel=">, Group<m_Group>;
1375def mconstant_cfstrings : Flag<["-"], "mconstant-cfstrings">, Group<clang_ignored_m_Group>;
1376def mconsole : Joined<["-"], "mconsole">, Group<m_Group>, Flags<[DriverOption]>;
1377def mwindows : Joined<["-"], "mwindows">, Group<m_Group>, Flags<[DriverOption]>;
1378def mdll : Joined<["-"], "mdll">, Group<m_Group>, Flags<[DriverOption]>;
1379def municode : Joined<["-"], "municode">, Group<m_Group>, Flags<[DriverOption]>;
1380def mthreads : Joined<["-"], "mthreads">, Group<m_Group>, Flags<[DriverOption]>;
1381def mcpu_EQ : Joined<["-"], "mcpu=">, Group<m_Group>;
1382def mdynamic_no_pic : Joined<["-"], "mdynamic-no-pic">, Group<m_Group>;
1383def mfix_and_continue : Flag<["-"], "mfix-and-continue">, Group<clang_ignored_m_Group>;
1384def mieee_fp : Flag<["-"], "mieee-fp">, Group<clang_ignored_m_Group>;
1385def minline_all_stringops : Flag<["-"], "minline-all-stringops">, Group<clang_ignored_m_Group>;
1386def mno_inline_all_stringops : Flag<["-"], "mno-inline-all-stringops">, Group<clang_ignored_m_Group>;
1387def malign_double : Flag<["-"], "malign-double">, Group<m_Group>, Flags<[CC1Option]>,
1388  HelpText<"Align doubles to two words in structs (x86 only)">;
1389def mfloat_abi_EQ : Joined<["-"], "mfloat-abi=">, Group<m_Group>;
1390def mfpmath_EQ : Joined<["-"], "mfpmath=">, Group<m_Group>;
1391def mfpu_EQ : Joined<["-"], "mfpu=">, Group<m_Group>;
1392def mhwdiv_EQ : Joined<["-"], "mhwdiv=">, Group<m_Group>;
1393def mglobal_merge : Flag<["-"], "mglobal-merge">, Group<m_Group>, Flags<[CC1Option]>,
1394  HelpText<"Enable merging of globals">;
1395def mhard_float : Flag<["-"], "mhard-float">, Group<m_Group>;
1396def miphoneos_version_min_EQ : Joined<["-"], "miphoneos-version-min=">, Group<m_Group>;
1397def mios_version_min_EQ : Joined<["-"], "mios-version-min=">,
1398  Alias<miphoneos_version_min_EQ>, HelpText<"Set iOS deployment target">;
1399def mios_simulator_version_min_EQ : Joined<["-"], "mios-simulator-version-min=">, Alias<miphoneos_version_min_EQ>;
1400def miphonesimulator_version_min_EQ : Joined<["-"], "miphonesimulator-version-min=">, Alias<miphoneos_version_min_EQ>;
1401def mkernel : Flag<["-"], "mkernel">, Group<m_Group>;
1402def mlinker_version_EQ : Joined<["-"], "mlinker-version=">,
1403  Flags<[DriverOption]>;
1404def mllvm : Separate<["-"], "mllvm">, Flags<[CC1Option,CC1AsOption,CoreOption]>,
1405  HelpText<"Additional arguments to forward to LLVM's option processing">;
1406def mmacosx_version_min_EQ : Joined<["-"], "mmacosx-version-min=">,
1407  Group<m_Group>, HelpText<"Set Mac OS X deployment target">;
1408def mms_bitfields : Flag<["-"], "mms-bitfields">, Group<m_Group>, Flags<[CC1Option]>,
1409  HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard">;
1410def mno_ms_bitfields : Flag<["-"], "mno-ms-bitfields">, Group<m_Group>,
1411  HelpText<"Do not set the default structure layout to be compatible with the Microsoft compiler standard">;
1412def mstackrealign : Flag<["-"], "mstackrealign">, Group<m_Group>, Flags<[CC1Option]>,
1413  HelpText<"Force realign the stack at entry to every function">;
1414def mstack_alignment : Joined<["-"], "mstack-alignment=">, Group<m_Group>, Flags<[CC1Option]>,
1415  HelpText<"Set the stack alignment">;
1416def mstack_probe_size : Joined<["-"], "mstack-probe-size=">, Group<m_Group>, Flags<[CC1Option]>,
1417  HelpText<"Set the stack probe size">;
1418def mthread_model : Separate<["-"], "mthread-model">, Group<m_Group>, Flags<[CC1Option]>,
1419  HelpText<"The thread model to use, e.g. posix, single (posix by default)">;
1420def meabi : Separate<["-"], "meabi">, Group<m_Group>, Flags<[CC1Option]>,
1421  HelpText<"Set EABI type, e.g. 4, 5 or gnu (default depends on triple)">;
1422
1423def mmmx : Flag<["-"], "mmmx">, Group<m_x86_Features_Group>;
1424def mno_3dnowa : Flag<["-"], "mno-3dnowa">, Group<m_x86_Features_Group>;
1425def mno_3dnow : Flag<["-"], "mno-3dnow">, Group<m_x86_Features_Group>;
1426def mno_constant_cfstrings : Flag<["-"], "mno-constant-cfstrings">, Group<m_Group>;
1427def mno_global_merge : Flag<["-"], "mno-global-merge">, Group<m_Group>, Flags<[CC1Option]>,
1428  HelpText<"Disable merging of globals">;
1429def mno_mmx : Flag<["-"], "mno-mmx">, Group<m_x86_Features_Group>;
1430def mno_pascal_strings : Flag<["-"], "mno-pascal-strings">,
1431  Alias<fno_pascal_strings>;
1432def mno_red_zone : Flag<["-"], "mno-red-zone">, Group<m_Group>;
1433def mno_relax_all : Flag<["-"], "mno-relax-all">, Group<m_Group>;
1434def mno_rtd: Flag<["-"], "mno-rtd">, Group<m_Group>;
1435def mno_soft_float : Flag<["-"], "mno-soft-float">, Group<m_Group>;
1436def mno_stackrealign : Flag<["-"], "mno-stackrealign">, Group<m_Group>;
1437def mno_x87 : Flag<["-"], "mno-x87">, Group<m_x86_Features_Group>;
1438def mno_80387 : Flag<["-"], "mno-80387">, Alias<mno_x87>;
1439def mno_sse2 : Flag<["-"], "mno-sse2">, Group<m_x86_Features_Group>;
1440def mno_sse3 : Flag<["-"], "mno-sse3">, Group<m_x86_Features_Group>;
1441def mno_sse4a : Flag<["-"], "mno-sse4a">, Group<m_x86_Features_Group>;
1442def mno_sse4_1 : Flag<["-"], "mno-sse4.1">, Group<m_x86_Features_Group>;
1443def mno_sse4_2 : Flag<["-"], "mno-sse4.2">, Group<m_x86_Features_Group>;
1444// -mno-sse4 turns off sse4.1 which has the effect of turning off everything
1445// later than 4.1. -msse4 turns on 4.2 which has the effect of turning on
1446// everything earlier than 4.2.
1447def mno_sse4 : Flag<["-"], "mno-sse4">, Alias<mno_sse4_1>;
1448def mno_sse : Flag<["-"], "mno-sse">, Group<m_x86_Features_Group>;
1449def mno_ssse3 : Flag<["-"], "mno-ssse3">, Group<m_x86_Features_Group>;
1450def mno_aes : Flag<["-"], "mno-aes">, Group<m_x86_Features_Group>;
1451def mno_avx : Flag<["-"], "mno-avx">, Group<m_x86_Features_Group>;
1452def mno_avx2 : Flag<["-"], "mno-avx2">, Group<m_x86_Features_Group>;
1453def mno_avx512f : Flag<["-"], "mno-avx512f">, Group<m_x86_Features_Group>;
1454def mno_avx512cd : Flag<["-"], "mno-avx512cd">, Group<m_x86_Features_Group>;
1455def mno_avx512er : Flag<["-"], "mno-avx512er">, Group<m_x86_Features_Group>;
1456def mno_avx512pf : Flag<["-"], "mno-avx512pf">, Group<m_x86_Features_Group>;
1457def mno_avx512dq : Flag<["-"], "mno-avx512dq">, Group<m_x86_Features_Group>;
1458def mno_avx512bw : Flag<["-"], "mno-avx512bw">, Group<m_x86_Features_Group>;
1459def mno_avx512vl : Flag<["-"], "mno-avx512vl">, Group<m_x86_Features_Group>;
1460def mno_avx512vbmi : Flag<["-"], "mno-avx512vbmi">, Group<m_x86_Features_Group>;
1461def mno_avx512ifma : Flag<["-"], "mno-avx512ifma">, Group<m_x86_Features_Group>;
1462def mno_pclmul : Flag<["-"], "mno-pclmul">, Group<m_x86_Features_Group>;
1463def mno_lzcnt : Flag<["-"], "mno-lzcnt">, Group<m_x86_Features_Group>;
1464def mno_rdrnd : Flag<["-"], "mno-rdrnd">, Group<m_x86_Features_Group>;
1465def mno_fsgsbase : Flag<["-"], "mno-fsgsbase">, Group<m_x86_Features_Group>;
1466def mno_bmi : Flag<["-"], "mno-bmi">, Group<m_x86_Features_Group>;
1467def mno_bmi2 : Flag<["-"], "mno-bmi2">, Group<m_x86_Features_Group>;
1468def mno_popcnt : Flag<["-"], "mno-popcnt">, Group<m_x86_Features_Group>;
1469def mno_tbm : Flag<["-"], "mno-tbm">, Group<m_x86_Features_Group>;
1470def mno_fma4 : Flag<["-"], "mno-fma4">, Group<m_x86_Features_Group>;
1471def mno_fma : Flag<["-"], "mno-fma">, Group<m_x86_Features_Group>;
1472def mno_xop : Flag<["-"], "mno-xop">, Group<m_x86_Features_Group>;
1473def mno_f16c : Flag<["-"], "mno-f16c">, Group<m_x86_Features_Group>;
1474def mno_rtm : Flag<["-"], "mno-rtm">, Group<m_x86_Features_Group>;
1475def mno_prfchw : Flag<["-"], "mno-prfchw">, Group<m_x86_Features_Group>;
1476def mno_rdseed : Flag<["-"], "mno-rdseed">, Group<m_x86_Features_Group>;
1477def mno_adx : Flag<["-"], "mno-adx">, Group<m_x86_Features_Group>;
1478def mno_sha : Flag<["-"], "mno-sha">, Group<m_x86_Features_Group>;
1479def mno_cx16 : Flag<["-"], "mno-cx16">, Group<m_x86_Features_Group>;
1480def mno_fxsr : Flag<["-"], "mno-fxsr">, Group<m_x86_Features_Group>;
1481def mno_xsave : Flag<["-"], "mno-xsave">, Group<m_x86_Features_Group>;
1482def mno_xsaveopt : Flag<["-"], "mno-xsaveopt">, Group<m_x86_Features_Group>;
1483def mno_xsavec : Flag<["-"], "mno-xsavec">, Group<m_x86_Features_Group>;
1484def mno_xsaves : Flag<["-"], "mno-xsaves">, Group<m_x86_Features_Group>;
1485def mno_mwaitx : Flag<["-"], "mno-mwaitx">, Group<m_x86_Features_Group>;
1486def mno_pku : Flag<["-"], "mno-pku">, Group<m_x86_Features_Group>;
1487
1488def munaligned_access : Flag<["-"], "munaligned-access">, Group<m_arm_Features_Group>,
1489  HelpText<"Allow memory accesses to be unaligned (AArch32/AArch64 only)">;
1490def mno_unaligned_access : Flag<["-"], "mno-unaligned-access">, Group<m_arm_Features_Group>,
1491  HelpText<"Force all memory accesses to be aligned (AArch32/AArch64 only)">;
1492def mstrict_align : Flag<["-"], "mstrict-align">, Alias<mno_unaligned_access>, Flags<[CC1Option,HelpHidden]>,
1493  HelpText<"Force all memory accesses to be aligned (same as mno-unaligned-access)">;
1494def mno_thumb : Flag<["-"], "mno-thumb">, Group<m_arm_Features_Group>;
1495def mrestrict_it: Flag<["-"], "mrestrict-it">, Group<m_arm_Features_Group>,
1496  HelpText<"Disallow generation of deprecated IT blocks for ARMv8. It is on by default for ARMv8 Thumb mode.">;
1497def mno_restrict_it: Flag<["-"], "mno-restrict-it">, Group<m_arm_Features_Group>,
1498  HelpText<"Allow generation of deprecated IT blocks for ARMv8. It is off by default for ARMv8 Thumb mode">;
1499def marm : Flag<["-"], "marm">, Alias<mno_thumb>;
1500def ffixed_r9 : Flag<["-"], "ffixed-r9">, Group<m_arm_Features_Group>,
1501  HelpText<"Reserve the r9 register (ARM only)">;
1502def mno_movt : Flag<["-"], "mno-movt">, Group<m_arm_Features_Group>,
1503  HelpText<"Disallow use of movt/movw pairs (ARM only)">;
1504def mcrc : Flag<["-"], "mcrc">, Group<m_arm_Features_Group>,
1505  HelpText<"Allow use of CRC instructions (ARM only)">;
1506def mnocrc : Flag<["-"], "mnocrc">, Group<m_arm_Features_Group>,
1507  HelpText<"Disallow use of CRC instructions (ARM only)">;
1508def mlong_calls : Flag<["-"], "mlong-calls">, Group<m_arm_Features_Group>,
1509  HelpText<"Generate an indirect jump to enable jumps further than 64M">;
1510def mno_long_calls : Flag<["-"], "mno-long-calls">, Group<m_arm_Features_Group>,
1511  HelpText<"Restore the default behaviour of not generating long calls">;
1512
1513def mgeneral_regs_only : Flag<["-"], "mgeneral-regs-only">, Group<m_aarch64_Features_Group>,
1514  HelpText<"Generate code which only uses the general purpose registers (AArch64 only)">;
1515
1516def mfix_cortex_a53_835769 : Flag<["-"], "mfix-cortex-a53-835769">,
1517  Group<m_aarch64_Features_Group>,
1518  HelpText<"Workaround Cortex-A53 erratum 835769 (AArch64 only)">;
1519def mno_fix_cortex_a53_835769 : Flag<["-"], "mno-fix-cortex-a53-835769">,
1520  Group<m_aarch64_Features_Group>,
1521  HelpText<"Don't workaround Cortex-A53 erratum 835769 (AArch64 only)">;
1522def ffixed_x18 : Flag<["-"], "ffixed-x18">, Group<m_aarch64_Features_Group>,
1523  HelpText<"Reserve the x18 register (AArch64 only)">;
1524
1525def msimd128 : Flag<["-"], "msimd128">, Group<m_wasm_Features_Group>;
1526def mno_simd128 : Flag<["-"], "mno-simd128">, Group<m_wasm_Features_Group>;
1527
1528def mamdgpu_debugger_abi : Joined<["-"], "mamdgpu-debugger-abi=">,
1529  Flags<[HelpHidden]>,
1530  Group<m_Group>,
1531  HelpText<"Generate additional code for specified <version> of debugger ABI (AMDGPU only)">,
1532  MetaVarName<"<version>">;
1533
1534def mvsx : Flag<["-"], "mvsx">, Group<m_ppc_Features_Group>;
1535def mno_vsx : Flag<["-"], "mno-vsx">, Group<m_ppc_Features_Group>;
1536def mpower8_vector : Flag<["-"], "mpower8-vector">,
1537    Group<m_ppc_Features_Group>;
1538def mno_power8_vector : Flag<["-"], "mno-power8-vector">,
1539    Group<m_ppc_Features_Group>;
1540def mpower8_crypto : Flag<["-"], "mcrypto">,
1541    Group<m_ppc_Features_Group>;
1542def mnopower8_crypto : Flag<["-"], "mno-crypto">,
1543    Group<m_ppc_Features_Group>;
1544def mdirect_move : Flag<["-"], "mdirect-move">,
1545    Group<m_ppc_Features_Group>;
1546def mnodirect_move : Flag<["-"], "mno-direct-move">,
1547    Group<m_ppc_Features_Group>;
1548def mhtm : Flag<["-"], "mhtm">, Group<m_ppc_Features_Group>;
1549def mno_htm : Flag<["-"], "mno-htm">, Group<m_ppc_Features_Group>;
1550def mfprnd : Flag<["-"], "mfprnd">, Group<m_ppc_Features_Group>;
1551def mno_fprnd : Flag<["-"], "mno-fprnd">, Group<m_ppc_Features_Group>;
1552def mcmpb : Flag<["-"], "mcmpb">, Group<m_ppc_Features_Group>;
1553def mno_cmpb : Flag<["-"], "mno-cmpb">, Group<m_ppc_Features_Group>;
1554def misel : Flag<["-"], "misel">, Group<m_ppc_Features_Group>;
1555def mno_isel : Flag<["-"], "mno-isel">, Group<m_ppc_Features_Group>;
1556def mmfocrf : Flag<["-"], "mmfocrf">, Group<m_ppc_Features_Group>;
1557def mmfcrf : Flag<["-"], "mmfcrf">, Alias<mmfocrf>;
1558def mno_mfocrf : Flag<["-"], "mno-mfocrf">, Group<m_ppc_Features_Group>;
1559def mno_mfcrf : Flag<["-"], "mno-mfcrf">, Alias<mno_mfocrf>;
1560def mpopcntd : Flag<["-"], "mpopcntd">, Group<m_ppc_Features_Group>;
1561def mno_popcntd : Flag<["-"], "mno-popcntd">, Group<m_ppc_Features_Group>;
1562def mqpx : Flag<["-"], "mqpx">, Group<m_ppc_Features_Group>;
1563def mno_qpx : Flag<["-"], "mno-qpx">, Group<m_ppc_Features_Group>;
1564def mcrbits : Flag<["-"], "mcrbits">, Group<m_ppc_Features_Group>;
1565def mno_crbits : Flag<["-"], "mno-crbits">, Group<m_ppc_Features_Group>;
1566def minvariant_function_descriptors :
1567  Flag<["-"], "minvariant-function-descriptors">, Group<m_ppc_Features_Group>;
1568def mno_invariant_function_descriptors :
1569  Flag<["-"], "mno-invariant-function-descriptors">,
1570  Group<m_ppc_Features_Group>;
1571def mfloat128: Flag<["-"], "mfloat128">,
1572    Group<m_ppc_Features_Group>;
1573def mno_float128 : Flag<["-"], "mno-float128">,
1574    Group<m_ppc_Features_Group>;
1575
1576def faltivec : Flag<["-"], "faltivec">, Group<f_Group>, Flags<[CC1Option]>,
1577  HelpText<"Enable AltiVec vector initializer syntax">;
1578def fno_altivec : Flag<["-"], "fno-altivec">, Group<f_Group>, Flags<[CC1Option]>;
1579def maltivec : Flag<["-"], "maltivec">, Alias<faltivec>;
1580def mno_altivec : Flag<["-"], "mno-altivec">, Alias<fno_altivec>;
1581
1582def mvx : Flag<["-"], "mvx">, Group<m_Group>;
1583def mno_vx : Flag<["-"], "mno-vx">, Group<m_Group>;
1584
1585def fzvector : Flag<["-"], "fzvector">, Group<f_Group>, Flags<[CC1Option]>,
1586  HelpText<"Enable System z vector language extension">;
1587def fno_zvector : Flag<["-"], "fno-zvector">, Group<f_Group>,
1588  Flags<[CC1Option]>;
1589def mzvector : Flag<["-"], "mzvector">, Alias<fzvector>;
1590def mno_zvector : Flag<["-"], "mno-zvector">, Alias<fno_zvector>;
1591
1592def mbackchain : Flag<["-"], "mbackchain">, Group<m_Group>, Flags<[DriverOption,CC1Option]>,
1593  HelpText<"Link stack frames through backchain on System Z">;
1594def mno_backchain : Flag<["-"], "mno-backchain">, Group<m_Group>, Flags<[DriverOption,CC1Option]>;
1595
1596def mno_warn_nonportable_cfstrings : Flag<["-"], "mno-warn-nonportable-cfstrings">, Group<m_Group>;
1597def mno_omit_leaf_frame_pointer : Flag<["-"], "mno-omit-leaf-frame-pointer">, Group<m_Group>;
1598def momit_leaf_frame_pointer : Flag<["-"], "momit-leaf-frame-pointer">, Group<m_Group>,
1599  HelpText<"Omit frame pointer setup for leaf functions">, Flags<[CC1Option]>;
1600def moslib_EQ : Joined<["-"], "moslib=">, Group<m_Group>;
1601def mpascal_strings : Flag<["-"], "mpascal-strings">, Alias<fpascal_strings>;
1602def mred_zone : Flag<["-"], "mred-zone">, Group<m_Group>;
1603def mregparm_EQ : Joined<["-"], "mregparm=">, Group<m_Group>;
1604def mrelax_all : Flag<["-"], "mrelax-all">, Group<m_Group>, Flags<[CC1Option,CC1AsOption]>,
1605  HelpText<"(integrated-as) Relax all machine instructions">;
1606def mincremental_linker_compatible : Flag<["-"], "mincremental-linker-compatible">, Group<m_Group>,
1607  Flags<[CC1Option,CC1AsOption]>,
1608  HelpText<"(integrated-as) Emit an object file which can be used with an incremental linker">;
1609def mno_incremental_linker_compatible : Flag<["-"], "mno-incremental-linker-compatible">, Group<m_Group>,
1610  HelpText<"(integrated-as) Emit an object file which cannot be used with an incremental linker">;
1611def mrtd : Flag<["-"], "mrtd">, Group<m_Group>, Flags<[CC1Option]>,
1612  HelpText<"Make StdCall calling convention the default">;
1613def msmall_data_threshold_EQ : Joined <["-"], "msmall-data-threshold=">, Group<m_Group>;
1614def msoft_float : Flag<["-"], "msoft-float">, Group<m_Group>, Flags<[CC1Option]>,
1615  HelpText<"Use software floating point">;
1616def mno_implicit_float : Flag<["-"], "mno-implicit-float">, Group<m_Group>,
1617  HelpText<"Don't generate implicit floating point instructions">;
1618def mimplicit_float : Flag<["-"], "mimplicit-float">, Group<m_Group>;
1619def mrecip : Flag<["-"], "mrecip">, Group<m_Group>;
1620def mrecip_EQ : CommaJoined<["-"], "mrecip=">, Group<m_Group>, Flags<[CC1Option]>;
1621def mx87 : Flag<["-"], "mx87">, Group<m_x86_Features_Group>;
1622def m80387 : Flag<["-"], "m80387">, Alias<mx87>;
1623def msse2 : Flag<["-"], "msse2">, Group<m_x86_Features_Group>;
1624def msse3 : Flag<["-"], "msse3">, Group<m_x86_Features_Group>;
1625def msse4a : Flag<["-"], "msse4a">, Group<m_x86_Features_Group>;
1626def msse4_1 : Flag<["-"], "msse4.1">, Group<m_x86_Features_Group>;
1627def msse4_2 : Flag<["-"], "msse4.2">, Group<m_x86_Features_Group>;
1628def msse4 : Flag<["-"], "msse4">, Alias<msse4_2>;
1629def msse : Flag<["-"], "msse">, Group<m_x86_Features_Group>;
1630def mssse3 : Flag<["-"], "mssse3">, Group<m_x86_Features_Group>;
1631def maes : Flag<["-"], "maes">, Group<m_x86_Features_Group>;
1632def mavx : Flag<["-"], "mavx">, Group<m_x86_Features_Group>;
1633def mavx2 : Flag<["-"], "mavx2">, Group<m_x86_Features_Group>;
1634def mavx512f : Flag<["-"], "mavx512f">, Group<m_x86_Features_Group>;
1635def mavx512cd : Flag<["-"], "mavx512cd">, Group<m_x86_Features_Group>;
1636def mavx512er : Flag<["-"], "mavx512er">, Group<m_x86_Features_Group>;
1637def mavx512pf : Flag<["-"], "mavx512pf">, Group<m_x86_Features_Group>;
1638def mavx512dq : Flag<["-"], "mavx512dq">, Group<m_x86_Features_Group>;
1639def mavx512bw : Flag<["-"], "mavx512bw">, Group<m_x86_Features_Group>;
1640def mavx512vl : Flag<["-"], "mavx512vl">, Group<m_x86_Features_Group>;
1641def mavx512vbmi : Flag<["-"], "mavx512vbmi">, Group<m_x86_Features_Group>;
1642def mavx512ifma : Flag<["-"], "mavx512ifma">, Group<m_x86_Features_Group>;
1643def mpclmul : Flag<["-"], "mpclmul">, Group<m_x86_Features_Group>;
1644def mlzcnt : Flag<["-"], "mlzcnt">, Group<m_x86_Features_Group>;
1645def mrdrnd : Flag<["-"], "mrdrnd">, Group<m_x86_Features_Group>;
1646def mfsgsbase : Flag<["-"], "mfsgsbase">, Group<m_x86_Features_Group>;
1647def mbmi : Flag<["-"], "mbmi">, Group<m_x86_Features_Group>;
1648def mbmi2 : Flag<["-"], "mbmi2">, Group<m_x86_Features_Group>;
1649def mpopcnt : Flag<["-"], "mpopcnt">, Group<m_x86_Features_Group>;
1650def mtbm : Flag<["-"], "mtbm">, Group<m_x86_Features_Group>;
1651def mfma4 : Flag<["-"], "mfma4">, Group<m_x86_Features_Group>;
1652def mfma : Flag<["-"], "mfma">, Group<m_x86_Features_Group>;
1653def mxop : Flag<["-"], "mxop">, Group<m_x86_Features_Group>;
1654def mf16c : Flag<["-"], "mf16c">, Group<m_x86_Features_Group>;
1655def mrtm : Flag<["-"], "mrtm">, Group<m_x86_Features_Group>;
1656def mprfchw : Flag<["-"], "mprfchw">, Group<m_x86_Features_Group>;
1657def mrdseed : Flag<["-"], "mrdseed">, Group<m_x86_Features_Group>;
1658def mpku : Flag<["-"], "mpku">, Group<m_x86_Features_Group>;
1659def madx : Flag<["-"], "madx">, Group<m_x86_Features_Group>;
1660def msha : Flag<["-"], "msha">, Group<m_x86_Features_Group>;
1661def mcx16 : Flag<["-"], "mcx16">, Group<m_x86_Features_Group>;
1662def mfxsr : Flag<["-"], "mfxsr">, Group<m_x86_Features_Group>;
1663def mxsave : Flag<["-"], "mxsave">, Group<m_x86_Features_Group>;
1664def mxsaveopt : Flag<["-"], "mxsaveopt">, Group<m_x86_Features_Group>;
1665def mxsavec : Flag<["-"], "mxsavec">, Group<m_x86_Features_Group>;
1666def mxsaves : Flag<["-"], "mxsaves">, Group<m_x86_Features_Group>;
1667def mmwaitx : Flag<["-"], "mmwaitx">, Group<m_x86_Features_Group>;
1668def mips16 : Flag<["-"], "mips16">, Group<m_Group>;
1669def mno_mips16 : Flag<["-"], "mno-mips16">, Group<m_Group>;
1670def mmicromips : Flag<["-"], "mmicromips">, Group<m_Group>;
1671def mno_micromips : Flag<["-"], "mno-micromips">, Group<m_Group>;
1672def mxgot : Flag<["-"], "mxgot">, Group<m_Group>;
1673def mno_xgot : Flag<["-"], "mno-xgot">, Group<m_Group>;
1674def mldc1_sdc1 : Flag<["-"], "mldc1-sdc1">, Group<m_Group>;
1675def mno_ldc1_sdc1 : Flag<["-"], "mno-ldc1-sdc1">, Group<m_Group>;
1676def mcheck_zero_division : Flag<["-"], "mcheck-zero-division">, Group<m_Group>;
1677def mno_check_zero_division : Flag<["-"], "mno-check-zero-division">,
1678                              Group<m_Group>;
1679def mcompact_branches_EQ : Joined<["-"], "mcompact-branches=">, Group<m_Group>;
1680def mdsp : Flag<["-"], "mdsp">, Group<m_Group>;
1681def mno_dsp : Flag<["-"], "mno-dsp">, Group<m_Group>;
1682def mdspr2 : Flag<["-"], "mdspr2">, Group<m_Group>;
1683def mno_dspr2 : Flag<["-"], "mno-dspr2">, Group<m_Group>;
1684def msingle_float : Flag<["-"], "msingle-float">, Group<m_Group>;
1685def mdouble_float : Flag<["-"], "mdouble-float">, Group<m_Group>;
1686def mmsa : Flag<["-"], "mmsa">, Group<m_Group>,
1687  HelpText<"Enable MSA ASE (MIPS only)">;
1688def mno_msa : Flag<["-"], "mno-msa">, Group<m_Group>,
1689  HelpText<"Disable MSA ASE (MIPS only)">;
1690def mfp64 : Flag<["-"], "mfp64">, Group<m_Group>,
1691  HelpText<"Use 64-bit floating point registers (MIPS only)">;
1692def mfp32 : Flag<["-"], "mfp32">, Group<m_Group>,
1693  HelpText<"Use 32-bit floating point registers (MIPS only)">;
1694def mnan_EQ : Joined<["-"], "mnan=">, Group<m_Group>;
1695def mabicalls : Flag<["-"], "mabicalls">, Group<m_Group>,
1696  HelpText<"Enable SVR4-style position-independent code (Mips only)">;
1697def mno_abicalls : Flag<["-"], "mno-abicalls">, Group<m_Group>,
1698  HelpText<"Disable SVR4-style position-independent code (Mips only)">;
1699def mips1 : Flag<["-"], "mips1">,
1700  Alias<march_EQ>, AliasArgs<["mips1"]>,
1701  HelpText<"Equivalent to -march=mips1">, Flags<[HelpHidden]>;
1702def mips2 : Flag<["-"], "mips2">,
1703  Alias<march_EQ>, AliasArgs<["mips2"]>,
1704  HelpText<"Equivalent to -march=mips2">, Flags<[HelpHidden]>;
1705def mips3 : Flag<["-"], "mips3">,
1706  Alias<march_EQ>, AliasArgs<["mips3"]>,
1707  HelpText<"Equivalent to -march=mips3">, Flags<[HelpHidden]>;
1708def mips4 : Flag<["-"], "mips4">,
1709  Alias<march_EQ>, AliasArgs<["mips4"]>,
1710  HelpText<"Equivalent to -march=mips4">, Flags<[HelpHidden]>;
1711def mips5 : Flag<["-"], "mips5">,
1712  Alias<march_EQ>, AliasArgs<["mips5"]>,
1713  HelpText<"Equivalent to -march=mips5">, Flags<[HelpHidden]>;
1714def mips32 : Flag<["-"], "mips32">,
1715  Alias<march_EQ>, AliasArgs<["mips32"]>,
1716  HelpText<"Equivalent to -march=mips32">, Flags<[HelpHidden]>;
1717def mips32r2 : Flag<["-"], "mips32r2">,
1718  Alias<march_EQ>, AliasArgs<["mips32r2"]>,
1719  HelpText<"Equivalent to -march=mips32r2">, Flags<[HelpHidden]>;
1720def mips32r3 : Flag<["-"], "mips32r3">,
1721  Alias<march_EQ>, AliasArgs<["mips32r3"]>,
1722  HelpText<"Equivalent to -march=mips32r3">, Flags<[HelpHidden]>;
1723def mips32r5 : Flag<["-"], "mips32r5">,
1724  Alias<march_EQ>, AliasArgs<["mips32r5"]>,
1725  HelpText<"Equivalent to -march=mips32r5">, Flags<[HelpHidden]>;
1726def mips32r6 : Flag<["-"], "mips32r6">,
1727  Alias<march_EQ>, AliasArgs<["mips32r6"]>,
1728  HelpText<"Equivalent to -march=mips32r6">, Flags<[HelpHidden]>;
1729def mips64 : Flag<["-"], "mips64">,
1730  Alias<march_EQ>, AliasArgs<["mips64"]>,
1731  HelpText<"Equivalent to -march=mips64">, Flags<[HelpHidden]>;
1732def mips64r2 : Flag<["-"], "mips64r2">,
1733  Alias<march_EQ>, AliasArgs<["mips64r2"]>,
1734  HelpText<"Equivalent to -march=mips64r2">, Flags<[HelpHidden]>;
1735def mips64r3 : Flag<["-"], "mips64r3">,
1736  Alias<march_EQ>, AliasArgs<["mips64r3"]>,
1737  HelpText<"Equivalent to -march=mips64r3">, Flags<[HelpHidden]>;
1738def mips64r5 : Flag<["-"], "mips64r5">,
1739  Alias<march_EQ>, AliasArgs<["mips64r5"]>,
1740  HelpText<"Equivalent to -march=mips64r5">, Flags<[HelpHidden]>;
1741def mips64r6 : Flag<["-"], "mips64r6">,
1742  Alias<march_EQ>, AliasArgs<["mips64r6"]>,
1743  HelpText<"Equivalent to -march=mips64r6">, Flags<[HelpHidden]>;
1744def mfpxx : Flag<["-"], "mfpxx">, Group<m_Group>,
1745  HelpText<"Avoid FPU mode dependent operations when used with the O32 ABI">,
1746  Flags<[HelpHidden]>;
1747def modd_spreg : Flag<["-"], "modd-spreg">, Group<m_Group>,
1748  HelpText<"Enable odd single-precision floating point registers">,
1749  Flags<[HelpHidden]>;
1750def mno_odd_spreg : Flag<["-"], "mno-odd-spreg">, Group<m_Group>,
1751  HelpText<"Disable odd single-precision floating point registers">,
1752  Flags<[HelpHidden]>;
1753def mglibc : Flag<["-"], "mglibc">, Group<m_libc_Group>, Flags<[HelpHidden]>;
1754def muclibc : Flag<["-"], "muclibc">, Group<m_libc_Group>, Flags<[HelpHidden]>;
1755def module_file_info : Flag<["-"], "module-file-info">, Flags<[DriverOption,CC1Option]>, Group<Action_Group>;
1756def mthumb : Flag<["-"], "mthumb">, Group<m_Group>;
1757def mtune_EQ : Joined<["-"], "mtune=">, Group<m_Group>;
1758def multi__module : Flag<["-"], "multi_module">;
1759def multiply__defined__unused : Separate<["-"], "multiply_defined_unused">;
1760def multiply__defined : Separate<["-"], "multiply_defined">;
1761def mwarn_nonportable_cfstrings : Flag<["-"], "mwarn-nonportable-cfstrings">, Group<m_Group>;
1762def no_canonical_prefixes : Flag<["-"], "no-canonical-prefixes">, Flags<[HelpHidden]>,
1763  HelpText<"Use relative instead of canonical paths">;
1764def no_cpp_precomp : Flag<["-"], "no-cpp-precomp">, Group<clang_ignored_f_Group>;
1765def no_integrated_cpp : Flag<["-", "--"], "no-integrated-cpp">, Flags<[DriverOption]>;
1766def no_pedantic : Flag<["-", "--"], "no-pedantic">, Group<pedantic_Group>;
1767def no__dead__strip__inits__and__terms : Flag<["-"], "no_dead_strip_inits_and_terms">;
1768def nobuiltininc : Flag<["-"], "nobuiltininc">, Flags<[CC1Option]>,
1769  HelpText<"Disable builtin #include directories">;
1770def nocudainc : Flag<["-"], "nocudainc">;
1771def nocudalib : Flag<["-"], "nocudalib">;
1772def nodefaultlibs : Flag<["-"], "nodefaultlibs">;
1773def nofixprebinding : Flag<["-"], "nofixprebinding">;
1774def nolibc : Flag<["-"], "nolibc">;
1775def nomultidefs : Flag<["-"], "nomultidefs">;
1776def nopie : Flag<["-"], "nopie">;
1777def noprebind : Flag<["-"], "noprebind">;
1778def noseglinkedit : Flag<["-"], "noseglinkedit">;
1779def nostartfiles : Flag<["-"], "nostartfiles">;
1780def nostdinc : Flag<["-"], "nostdinc">;
1781def nostdlibinc : Flag<["-"], "nostdlibinc">;
1782def nostdincxx : Flag<["-"], "nostdinc++">, Flags<[CC1Option]>,
1783  HelpText<"Disable standard #include directories for the C++ standard library">;
1784def nostdlib : Flag<["-"], "nostdlib">;
1785def object : Flag<["-"], "object">;
1786def o : JoinedOrSeparate<["-"], "o">, Flags<[DriverOption, RenderAsInput, CC1Option, CC1AsOption]>,
1787  HelpText<"Write output to <file>">, MetaVarName<"<file>">;
1788def pagezero__size : JoinedOrSeparate<["-"], "pagezero_size">;
1789def pass_exit_codes : Flag<["-", "--"], "pass-exit-codes">, Flags<[Unsupported]>;
1790def pedantic_errors : Flag<["-", "--"], "pedantic-errors">, Group<pedantic_Group>, Flags<[CC1Option]>;
1791def pedantic : Flag<["-", "--"], "pedantic">, Group<pedantic_Group>, Flags<[CC1Option]>;
1792def pg : Flag<["-"], "pg">, HelpText<"Enable mcount instrumentation">, Flags<[CC1Option]>;
1793def pipe : Flag<["-", "--"], "pipe">,
1794  HelpText<"Use pipes between commands, when possible">;
1795def prebind__all__twolevel__modules : Flag<["-"], "prebind_all_twolevel_modules">;
1796def prebind : Flag<["-"], "prebind">;
1797def preload : Flag<["-"], "preload">;
1798def print_file_name_EQ : Joined<["-", "--"], "print-file-name=">,
1799  HelpText<"Print the full library path of <file>">, MetaVarName<"<file>">;
1800def print_ivar_layout : Flag<["-"], "print-ivar-layout">, Flags<[CC1Option]>,
1801  HelpText<"Enable Objective-C Ivar layout bitmap print trace">;
1802def print_libgcc_file_name : Flag<["-", "--"], "print-libgcc-file-name">,
1803  HelpText<"Print the library path for \"libgcc.a\"">;
1804def print_multi_directory : Flag<["-", "--"], "print-multi-directory">;
1805def print_multi_lib : Flag<["-", "--"], "print-multi-lib">;
1806def print_multi_os_directory : Flag<["-", "--"], "print-multi-os-directory">,
1807  Flags<[Unsupported]>;
1808def print_prog_name_EQ : Joined<["-", "--"], "print-prog-name=">,
1809  HelpText<"Print the full program path of <name>">, MetaVarName<"<name>">;
1810def print_search_dirs : Flag<["-", "--"], "print-search-dirs">,
1811  HelpText<"Print the paths used for finding libraries and programs">;
1812def private__bundle : Flag<["-"], "private_bundle">;
1813def pthreads : Flag<["-"], "pthreads">;
1814def pthread : Flag<["-"], "pthread">, Flags<[CC1Option]>,
1815  HelpText<"Support POSIX threads in generated code">;
1816def no_pthread : Flag<["-"], "no-pthread">, Flags<[CC1Option]>;
1817def p : Flag<["-"], "p">;
1818def pie : Flag<["-"], "pie">;
1819def read__only__relocs : Separate<["-"], "read_only_relocs">;
1820def remap : Flag<["-"], "remap">;
1821def rewrite_objc : Flag<["-"], "rewrite-objc">, Flags<[DriverOption,CC1Option]>,
1822  HelpText<"Rewrite Objective-C source to C++">, Group<Action_Group>;
1823def rewrite_legacy_objc : Flag<["-"], "rewrite-legacy-objc">, Flags<[DriverOption]>,
1824  HelpText<"Rewrite Legacy Objective-C source to C++">;
1825def rdynamic : Flag<["-"], "rdynamic">;
1826def resource_dir : Separate<["-"], "resource-dir">,
1827  Flags<[DriverOption, CC1Option, CoreOption, HelpHidden]>,
1828  HelpText<"The directory which holds the compiler resource files">;
1829def resource_dir_EQ : Joined<["-"], "resource-dir=">, Flags<[DriverOption]>,
1830  Alias<resource_dir>;
1831def rpath : Separate<["-"], "rpath">, Flags<[LinkerInput]>;
1832def rtlib_EQ : Joined<["-", "--"], "rtlib=">;
1833def r : Flag<["-"], "r">, Flags<[LinkerInput,NoArgumentUnused]>;
1834def save_temps_EQ : Joined<["-", "--"], "save-temps=">, Flags<[DriverOption]>,
1835  HelpText<"Save intermediate compilation results.">;
1836def save_temps : Flag<["-", "--"], "save-temps">, Flags<[DriverOption]>,
1837  Alias<save_temps_EQ>, AliasArgs<["cwd"]>,
1838  HelpText<"Save intermediate compilation results">;
1839def via_file_asm : Flag<["-", "--"], "via-file-asm">, InternalDebugOpt,
1840  HelpText<"Write assembly to file for input to assemble jobs">;
1841def sectalign : MultiArg<["-"], "sectalign", 3>;
1842def sectcreate : MultiArg<["-"], "sectcreate", 3>;
1843def sectobjectsymbols : MultiArg<["-"], "sectobjectsymbols", 2>;
1844def sectorder : MultiArg<["-"], "sectorder", 3>;
1845def seg1addr : JoinedOrSeparate<["-"], "seg1addr">;
1846def seg__addr__table__filename : Separate<["-"], "seg_addr_table_filename">;
1847def seg__addr__table : Separate<["-"], "seg_addr_table">;
1848def segaddr : MultiArg<["-"], "segaddr", 2>;
1849def segcreate : MultiArg<["-"], "segcreate", 3>;
1850def seglinkedit : Flag<["-"], "seglinkedit">;
1851def segprot : MultiArg<["-"], "segprot", 3>;
1852def segs__read__only__addr : Separate<["-"], "segs_read_only_addr">;
1853def segs__read__write__addr : Separate<["-"], "segs_read_write_addr">;
1854def segs__read__ : Joined<["-"], "segs_read_">;
1855def shared_libgcc : Flag<["-"], "shared-libgcc">;
1856def shared : Flag<["-", "--"], "shared">;
1857def single__module : Flag<["-"], "single_module">;
1858def specs_EQ : Joined<["-", "--"], "specs=">;
1859def specs : Separate<["-", "--"], "specs">, Flags<[Unsupported]>;
1860def static_libgcc : Flag<["-"], "static-libgcc">;
1861def static_libstdcxx : Flag<["-"], "static-libstdc++">;
1862def static : Flag<["-", "--"], "static">, Flags<[NoArgumentUnused]>;
1863def std_default_EQ : Joined<["-"], "std-default=">;
1864def std_EQ : Joined<["-", "--"], "std=">, Flags<[CC1Option]>,
1865  Group<CompileOnly_Group>, HelpText<"Language standard to compile for">;
1866def stdlib_EQ : Joined<["-", "--"], "stdlib=">, Flags<[CC1Option]>,
1867  HelpText<"C++ standard library to use">;
1868def sub__library : JoinedOrSeparate<["-"], "sub_library">;
1869def sub__umbrella : JoinedOrSeparate<["-"], "sub_umbrella">;
1870def system_header_prefix : Joined<["--"], "system-header-prefix=">,
1871  Group<clang_i_Group>, Flags<[CC1Option]>, MetaVarName<"<prefix>">,
1872  HelpText<"Treat all #include paths starting with <prefix> as including a "
1873           "system header.">;
1874def : Separate<["--"], "system-header-prefix">, Alias<system_header_prefix>;
1875def no_system_header_prefix : Joined<["--"], "no-system-header-prefix=">,
1876  Group<clang_i_Group>, Flags<[CC1Option]>, MetaVarName<"<prefix>">,
1877  HelpText<"Treat all #include paths starting with <prefix> as not including a "
1878           "system header.">;
1879def : Separate<["--"], "no-system-header-prefix">, Alias<no_system_header_prefix>;
1880def s : Flag<["-"], "s">;
1881def target : Joined<["--"], "target=">, Flags<[DriverOption, CoreOption]>,
1882  HelpText<"Generate code for the given target">;
1883def gcc_toolchain : Joined<["--"], "gcc-toolchain=">, Flags<[DriverOption]>,
1884  HelpText<"Use the gcc toolchain at the given directory">;
1885def time : Flag<["-"], "time">,
1886  HelpText<"Time individual commands">;
1887def traditional_cpp : Flag<["-", "--"], "traditional-cpp">, Flags<[CC1Option]>,
1888  HelpText<"Enable some traditional CPP emulation">;
1889def traditional : Flag<["-", "--"], "traditional">;
1890def trigraphs : Flag<["-", "--"], "trigraphs">, Alias<ftrigraphs>,
1891  HelpText<"Process trigraph sequences">;
1892def twolevel__namespace__hints : Flag<["-"], "twolevel_namespace_hints">;
1893def twolevel__namespace : Flag<["-"], "twolevel_namespace">;
1894def t : Flag<["-"], "t">;
1895def umbrella : Separate<["-"], "umbrella">;
1896def undefined : JoinedOrSeparate<["-"], "undefined">, Group<u_Group>;
1897def undef : Flag<["-"], "undef">, Group<u_Group>, Flags<[CC1Option]>,
1898  HelpText<"undef all system defines">;
1899def unexported__symbols__list : Separate<["-"], "unexported_symbols_list">;
1900def u : JoinedOrSeparate<["-"], "u">, Group<u_Group>;
1901def v : Flag<["-"], "v">, Flags<[CC1Option, CoreOption]>,
1902  HelpText<"Show commands to run and use verbose output">;
1903def verify_debug_info : Flag<["--"], "verify-debug-info">, Flags<[DriverOption]>,
1904  HelpText<"Verify the binary representation of debug output">;
1905def weak_l : Joined<["-"], "weak-l">, Flags<[LinkerInput]>;
1906def weak__framework : Separate<["-"], "weak_framework">, Flags<[LinkerInput]>;
1907def weak__library : Separate<["-"], "weak_library">, Flags<[LinkerInput]>;
1908def weak__reference__mismatches : Separate<["-"], "weak_reference_mismatches">;
1909def whatsloaded : Flag<["-"], "whatsloaded">;
1910def whyload : Flag<["-"], "whyload">;
1911def w : Flag<["-"], "w">, HelpText<"Suppress all warnings">, Flags<[CC1Option]>;
1912def x : JoinedOrSeparate<["-"], "x">, Flags<[DriverOption,CC1Option]>,
1913  HelpText<"Treat subsequent input files as having type <language>">,
1914  MetaVarName<"<language>">;
1915def y : Joined<["-"], "y">;
1916
1917def fintegrated_as : Flag<["-"], "fintegrated-as">, Flags<[DriverOption]>,
1918                     Group<f_Group>, HelpText<"Enable the integrated assembler">;
1919def fno_integrated_as : Flag<["-"], "fno-integrated-as">,
1920                        Flags<[CC1Option, DriverOption]>, Group<f_Group>,
1921                        HelpText<"Disable the integrated assembler">;
1922def : Flag<["-"], "integrated-as">, Alias<fintegrated_as>, Flags<[DriverOption]>;
1923def : Flag<["-"], "no-integrated-as">, Alias<fno_integrated_as>,
1924      Flags<[CC1Option, DriverOption]>;
1925
1926def working_directory : JoinedOrSeparate<["-"], "working-directory">, Flags<[CC1Option]>,
1927  HelpText<"Resolve file paths relative to the specified directory">;
1928def working_directory_EQ : Joined<["-"], "working-directory=">, Flags<[CC1Option]>,
1929  Alias<working_directory>;
1930
1931// Double dash options, which are usually an alias for one of the previous
1932// options.
1933
1934def _mhwdiv_EQ : Joined<["--"], "mhwdiv=">, Alias<mhwdiv_EQ>;
1935def _mhwdiv : Separate<["--"], "mhwdiv">, Alias<mhwdiv_EQ>;
1936def _CLASSPATH_EQ : Joined<["--"], "CLASSPATH=">, Alias<fclasspath_EQ>;
1937def _CLASSPATH : Separate<["--"], "CLASSPATH">, Alias<fclasspath_EQ>;
1938def _all_warnings : Flag<["--"], "all-warnings">, Alias<Wall>;
1939def _analyze_auto : Flag<["--"], "analyze-auto">, Flags<[DriverOption]>;
1940def _analyzer_no_default_checks : Flag<["--"], "analyzer-no-default-checks">, Flags<[DriverOption]>;
1941def _analyzer_output : JoinedOrSeparate<["--"], "analyzer-output">, Flags<[DriverOption]>;
1942def _analyze : Flag<["--"], "analyze">, Flags<[DriverOption, CoreOption]>,
1943  HelpText<"Run the static analyzer">;
1944def _assemble : Flag<["--"], "assemble">, Alias<S>;
1945def _assert_EQ : Joined<["--"], "assert=">, Alias<A>;
1946def _assert : Separate<["--"], "assert">, Alias<A>;
1947def _bootclasspath_EQ : Joined<["--"], "bootclasspath=">, Alias<fbootclasspath_EQ>;
1948def _bootclasspath : Separate<["--"], "bootclasspath">, Alias<fbootclasspath_EQ>;
1949def _classpath_EQ : Joined<["--"], "classpath=">, Alias<fclasspath_EQ>;
1950def _classpath : Separate<["--"], "classpath">, Alias<fclasspath_EQ>;
1951def _comments_in_macros : Flag<["--"], "comments-in-macros">, Alias<CC>;
1952def _comments : Flag<["--"], "comments">, Alias<C>;
1953def _compile : Flag<["--"], "compile">, Alias<c>;
1954def _constant_cfstrings : Flag<["--"], "constant-cfstrings">;
1955def _debug_EQ : Joined<["--"], "debug=">, Alias<g_Flag>;
1956def _debug : Flag<["--"], "debug">, Alias<g_Flag>;
1957def _define_macro_EQ : Joined<["--"], "define-macro=">, Alias<D>;
1958def _define_macro : Separate<["--"], "define-macro">, Alias<D>;
1959def _dependencies : Flag<["--"], "dependencies">, Alias<M>;
1960def _dyld_prefix_EQ : Joined<["--"], "dyld-prefix=">;
1961def _dyld_prefix : Separate<["--"], "dyld-prefix">, Alias<_dyld_prefix_EQ>;
1962def _encoding_EQ : Joined<["--"], "encoding=">, Alias<fencoding_EQ>;
1963def _encoding : Separate<["--"], "encoding">, Alias<fencoding_EQ>;
1964def _entry : Flag<["--"], "entry">, Alias<e>;
1965def _extdirs_EQ : Joined<["--"], "extdirs=">, Alias<fextdirs_EQ>;
1966def _extdirs : Separate<["--"], "extdirs">, Alias<fextdirs_EQ>;
1967def _extra_warnings : Flag<["--"], "extra-warnings">, Alias<W_Joined>;
1968def _for_linker_EQ : Joined<["--"], "for-linker=">, Alias<Xlinker>;
1969def _for_linker : Separate<["--"], "for-linker">, Alias<Xlinker>;
1970def _force_link_EQ : Joined<["--"], "force-link=">, Alias<u>;
1971def _force_link : Separate<["--"], "force-link">, Alias<u>;
1972def _help_hidden : Flag<["--"], "help-hidden">;
1973def _imacros_EQ : Joined<["--"], "imacros=">, Alias<imacros>;
1974def _include_barrier : Flag<["--"], "include-barrier">, Alias<I_>;
1975def _include_directory_after_EQ : Joined<["--"], "include-directory-after=">, Alias<idirafter>;
1976def _include_directory_after : Separate<["--"], "include-directory-after">, Alias<idirafter>;
1977def _include_directory_EQ : Joined<["--"], "include-directory=">, Alias<I>;
1978def _include_directory : Separate<["--"], "include-directory">, Alias<I>;
1979def _include_prefix_EQ : Joined<["--"], "include-prefix=">, Alias<iprefix>;
1980def _include_prefix : Separate<["--"], "include-prefix">, Alias<iprefix>;
1981def _include_with_prefix_after_EQ : Joined<["--"], "include-with-prefix-after=">, Alias<iwithprefix>;
1982def _include_with_prefix_after : Separate<["--"], "include-with-prefix-after">, Alias<iwithprefix>;
1983def _include_with_prefix_before_EQ : Joined<["--"], "include-with-prefix-before=">, Alias<iwithprefixbefore>;
1984def _include_with_prefix_before : Separate<["--"], "include-with-prefix-before">, Alias<iwithprefixbefore>;
1985def _include_with_prefix_EQ : Joined<["--"], "include-with-prefix=">, Alias<iwithprefix>;
1986def _include_with_prefix : Separate<["--"], "include-with-prefix">, Alias<iwithprefix>;
1987def _include_EQ : Joined<["--"], "include=">, Alias<include_>;
1988def _language_EQ : Joined<["--"], "language=">, Alias<x>;
1989def _language : Separate<["--"], "language">, Alias<x>;
1990def _library_directory_EQ : Joined<["--"], "library-directory=">, Alias<L>;
1991def _library_directory : Separate<["--"], "library-directory">, Alias<L>;
1992def _no_line_commands : Flag<["--"], "no-line-commands">, Alias<P>;
1993def _no_standard_includes : Flag<["--"], "no-standard-includes">, Alias<nostdinc>;
1994def _no_standard_libraries : Flag<["--"], "no-standard-libraries">, Alias<nostdlib>;
1995def _no_undefined : Flag<["--"], "no-undefined">, Flags<[LinkerInput]>;
1996def _no_warnings : Flag<["--"], "no-warnings">, Alias<w>;
1997def _optimize_EQ : Joined<["--"], "optimize=">, Alias<O>;
1998def _optimize : Flag<["--"], "optimize">, Alias<O>;
1999def _output_class_directory_EQ : Joined<["--"], "output-class-directory=">, Alias<foutput_class_dir_EQ>;
2000def _output_class_directory : Separate<["--"], "output-class-directory">, Alias<foutput_class_dir_EQ>;
2001def _output_EQ : Joined<["--"], "output=">, Alias<o>;
2002def _output : Separate<["--"], "output">, Alias<o>;
2003def _param : Separate<["--"], "param">, Group<CompileOnly_Group>;
2004def _param_EQ : Joined<["--"], "param=">, Alias<_param>;
2005def _prefix_EQ : Joined<["--"], "prefix=">, Alias<B>;
2006def _prefix : Separate<["--"], "prefix">, Alias<B>;
2007def _preprocess : Flag<["--"], "preprocess">, Alias<E>;
2008def _print_diagnostic_categories : Flag<["--"], "print-diagnostic-categories">;
2009def _print_file_name : Separate<["--"], "print-file-name">, Alias<print_file_name_EQ>;
2010def _print_missing_file_dependencies : Flag<["--"], "print-missing-file-dependencies">, Alias<MG>;
2011def _print_prog_name : Separate<["--"], "print-prog-name">, Alias<print_prog_name_EQ>;
2012def _profile_blocks : Flag<["--"], "profile-blocks">, Alias<a>;
2013def _profile : Flag<["--"], "profile">, Alias<p>;
2014def _resource_EQ : Joined<["--"], "resource=">, Alias<fcompile_resource_EQ>;
2015def _resource : Separate<["--"], "resource">, Alias<fcompile_resource_EQ>;
2016def _rtlib : Separate<["--"], "rtlib">, Alias<rtlib_EQ>;
2017def _serialize_diags : Separate<["-", "--"], "serialize-diagnostics">, Flags<[DriverOption]>,
2018  HelpText<"Serialize compiler diagnostics to a file">;
2019// We give --version different semantics from -version.
2020def _version : Flag<["--"], "version">,  Flags<[CC1Option]>;
2021def _signed_char : Flag<["--"], "signed-char">, Alias<fsigned_char>;
2022def _std : Separate<["--"], "std">, Alias<std_EQ>;
2023def _stdlib : Separate<["--"], "stdlib">, Alias<stdlib_EQ>;
2024def _sysroot_EQ : Joined<["--"], "sysroot=">;
2025def _sysroot : Separate<["--"], "sysroot">, Alias<_sysroot_EQ>;
2026def _target_help : Flag<["--"], "target-help">;
2027def _trace_includes : Flag<["--"], "trace-includes">, Alias<H>;
2028def _undefine_macro_EQ : Joined<["--"], "undefine-macro=">, Alias<U>;
2029def _undefine_macro : Separate<["--"], "undefine-macro">, Alias<U>;
2030def _unsigned_char : Flag<["--"], "unsigned-char">, Alias<funsigned_char>;
2031def _user_dependencies : Flag<["--"], "user-dependencies">, Alias<MM>;
2032def _verbose : Flag<["--"], "verbose">, Alias<v>;
2033def _warn__EQ : Joined<["--"], "warn-=">, Alias<W_Joined>;
2034def _warn_ : Joined<["--"], "warn-">, Alias<W_Joined>;
2035def _write_dependencies : Flag<["--"], "write-dependencies">, Alias<MD>;
2036def _write_user_dependencies : Flag<["--"], "write-user-dependencies">, Alias<MMD>;
2037def _ : Joined<["--"], "">, Flags<[Unsupported]>;
2038
2039def mieee_rnd_near : Flag<["-"], "mieee-rnd-near">, Group<m_hexagon_Features_Group>;
2040def mv4 : Flag<["-"], "mv4">, Group<m_hexagon_Features_Group>,
2041          Alias<mcpu_EQ>, AliasArgs<["hexagonv4"]>;
2042def mv5 : Flag<["-"], "mv5">, Group<m_hexagon_Features_Group>, Alias<mcpu_EQ>,
2043          AliasArgs<["hexagonv5"]>;
2044def mv55 : Flag<["-"], "mv55">, Group<m_hexagon_Features_Group>,
2045           Alias<mcpu_EQ>, AliasArgs<["hexagonv55"]>;
2046def mv60 : Flag<["-"], "mv60">, Group<m_hexagon_Features_Group>,
2047           Alias<mcpu_EQ>, AliasArgs<["hexagonv60"]>;
2048def mhexagon_hvx : Flag<["-"], "mhvx">, Group<m_hexagon_Features_Group>,
2049    Flags<[CC1Option]>, HelpText<"Enable Hexagon Vector eXtensions">;
2050def mno_hexagon_hvx : Flag<["-"], "mno-hvx">, Group<m_hexagon_Features_Group>,
2051    Flags<[CC1Option]>, HelpText<"Disable Hexagon Vector eXtensions">;
2052def mhexagon_hvx_double : Flag<["-"], "mhvx-double">, Group<m_hexagon_Features_Group>,
2053    Flags<[CC1Option]>, HelpText<"Enable Hexagon Double Vector eXtensions">;
2054def mno_hexagon_hvx_double : Flag<["-"], "mno-hvx-double">, Group<m_hexagon_Features_Group>,
2055    Flags<[CC1Option]>, HelpText<"Disable Hexagon Double Vector eXtensions">;
2056
2057// These are legacy user-facing driver-level option spellings. They are always
2058// aliases for options that are spelled using the more common Unix / GNU flag
2059// style of double-dash and equals-joined flags.
2060def gcc_toolchain_legacy_spelling : Separate<["-"], "gcc-toolchain">, Alias<gcc_toolchain>;
2061def target_legacy_spelling : Separate<["-"], "target">, Alias<target>;
2062
2063// Special internal option to handle -Xlinker --no-demangle.
2064def Z_Xlinker__no_demangle : Flag<["-"], "Z-Xlinker-no-demangle">,
2065    Flags<[Unsupported, NoArgumentUnused]>;
2066
2067// Special internal option to allow forwarding arbitrary arguments to linker.
2068def Zlinker_input : Separate<["-"], "Zlinker-input">,
2069    Flags<[Unsupported, NoArgumentUnused]>;
2070
2071// Reserved library options.
2072def Z_reserved_lib_stdcxx : Flag<["-"], "Z-reserved-lib-stdc++">,
2073    Flags<[LinkerInput, NoArgumentUnused, Unsupported]>, Group<reserved_lib_Group>;
2074def Z_reserved_lib_cckext : Flag<["-"], "Z-reserved-lib-cckext">,
2075    Flags<[LinkerInput, NoArgumentUnused, Unsupported]>, Group<reserved_lib_Group>;
2076
2077// Ignored options
2078// FIXME: multiclasess produce suffixes, not prefixes. This is fine for now
2079// since it is only used in ignored options.
2080multiclass BooleanFFlag<string name> {
2081  def _f : Flag<["-"], "f"#name>;
2082  def _fno : Flag<["-"], "fno-"#name>;
2083}
2084
2085defm : BooleanFFlag<"keep-inline-functions">, Group<clang_ignored_gcc_optimization_f_Group>;
2086
2087def fprofile_dir : Joined<["-"], "fprofile-dir=">, Group<clang_ignored_gcc_optimization_f_Group>;
2088
2089def fuse_ld_EQ : Joined<["-"], "fuse-ld=">, Group<f_Group>;
2090
2091defm align_functions : BooleanFFlag<"align-functions">, Group<clang_ignored_gcc_optimization_f_Group>;
2092def falign_functions_EQ : Joined<["-"], "falign-functions=">, Group<clang_ignored_gcc_optimization_f_Group>;
2093defm align_labels : BooleanFFlag<"align-labels">, Group<clang_ignored_gcc_optimization_f_Group>;
2094def falign_labels_EQ : Joined<["-"], "falign-labels=">, Group<clang_ignored_gcc_optimization_f_Group>;
2095defm align_loops : BooleanFFlag<"align-loops">, Group<clang_ignored_gcc_optimization_f_Group>;
2096def falign_loops_EQ : Joined<["-"], "falign-loops=">, Group<clang_ignored_gcc_optimization_f_Group>;
2097defm align_jumps : BooleanFFlag<"align-jumps">, Group<clang_ignored_gcc_optimization_f_Group>;
2098def falign_jumps_EQ : Joined<["-"], "falign-jumps=">, Group<clang_ignored_gcc_optimization_f_Group>;
2099
2100// FIXME: This option should be supported and wired up to our diognostics, but
2101// ignore it for now to avoid breaking builds that use it.
2102def fdiagnostics_show_location_EQ : Joined<["-"], "fdiagnostics-show-location=">, Group<clang_ignored_f_Group>;
2103
2104defm fcheck_new : BooleanFFlag<"check-new">, Group<clang_ignored_f_Group>;
2105defm caller_saves : BooleanFFlag<"caller-saves">, Group<clang_ignored_gcc_optimization_f_Group>;
2106defm reorder_blocks : BooleanFFlag<"reorder-blocks">, Group<clang_ignored_gcc_optimization_f_Group>;
2107defm eliminate_unused_debug_types : BooleanFFlag<"eliminate-unused-debug-types">, Group<clang_ignored_f_Group>;
2108defm branch_count_reg : BooleanFFlag<"branch-count-reg">, Group<clang_ignored_gcc_optimization_f_Group>;
2109defm default_inline : BooleanFFlag<"default-inline">, Group<clang_ignored_gcc_optimization_f_Group>;
2110defm delete_null_pointer_checks : BooleanFFlag<"delete-null-pointer-checks">,
2111    Group<clang_ignored_gcc_optimization_f_Group>;
2112defm fat_lto_objects : BooleanFFlag<"fat-lto-objects">, Group<clang_ignored_gcc_optimization_f_Group>;
2113defm float_store : BooleanFFlag<"float-store">, Group<clang_ignored_gcc_optimization_f_Group>;
2114defm friend_injection : BooleanFFlag<"friend-injection">, Group<clang_ignored_f_Group>;
2115defm function_attribute_list : BooleanFFlag<"function-attribute-list">, Group<clang_ignored_f_Group>;
2116defm gcse : BooleanFFlag<"gcse">, Group<clang_ignored_gcc_optimization_f_Group>;
2117defm gcse_after_reload: BooleanFFlag<"gcse-after-reload">, Group<clang_ignored_gcc_optimization_f_Group>;
2118defm gcse_las: BooleanFFlag<"gcse-las">, Group<clang_ignored_gcc_optimization_f_Group>;
2119defm gcse_sm: BooleanFFlag<"gcse-sm">, Group<clang_ignored_gcc_optimization_f_Group>;
2120defm gnu : BooleanFFlag<"gnu">, Group<clang_ignored_f_Group>;
2121defm ident : BooleanFFlag<"ident">, Group<clang_ignored_f_Group>;
2122defm implicit_templates : BooleanFFlag<"implicit-templates">, Group<clang_ignored_f_Group>;
2123defm implement_inlines : BooleanFFlag<"implement-inlines">, Group<clang_ignored_f_Group>;
2124defm merge_constants : BooleanFFlag<"merge-constants">, Group<clang_ignored_gcc_optimization_f_Group>;
2125defm modulo_sched : BooleanFFlag<"modulo-sched">, Group<clang_ignored_gcc_optimization_f_Group>;
2126defm modulo_sched_allow_regmoves : BooleanFFlag<"modulo-sched-allow-regmoves">,
2127    Group<clang_ignored_gcc_optimization_f_Group>;
2128defm inline_functions_called_once : BooleanFFlag<"inline-functions-called-once">,
2129    Group<clang_ignored_gcc_optimization_f_Group>;
2130def finline_limit_EQ : Joined<["-"], "finline-limit=">, Group<clang_ignored_gcc_optimization_f_Group>;
2131defm finline_limit : BooleanFFlag<"inline-limit">, Group<clang_ignored_gcc_optimization_f_Group>;
2132defm inline_small_functions : BooleanFFlag<"inline-small-functions">,
2133    Group<clang_ignored_gcc_optimization_f_Group>;
2134defm ipa_cp : BooleanFFlag<"ipa-cp">,
2135    Group<clang_ignored_gcc_optimization_f_Group>;
2136defm ivopts : BooleanFFlag<"ivopts">, Group<clang_ignored_gcc_optimization_f_Group>;
2137defm non_call_exceptions : BooleanFFlag<"non-call-exceptions">, Group<clang_ignored_f_Group>;
2138defm peel_loops : BooleanFFlag<"peel-loops">, Group<clang_ignored_gcc_optimization_f_Group>;
2139defm permissive : BooleanFFlag<"permissive">, Group<clang_ignored_f_Group>;
2140defm prefetch_loop_arrays : BooleanFFlag<"prefetch-loop-arrays">, Group<clang_ignored_gcc_optimization_f_Group>;
2141defm printf : BooleanFFlag<"printf">, Group<clang_ignored_f_Group>;
2142defm profile : BooleanFFlag<"profile">, Group<clang_ignored_f_Group>;
2143defm profile_correction : BooleanFFlag<"profile-correction">, Group<clang_ignored_gcc_optimization_f_Group>;
2144defm profile_generate_sampling : BooleanFFlag<"profile-generate-sampling">, Group<clang_ignored_f_Group>;
2145defm profile_reusedist : BooleanFFlag<"profile-reusedist">, Group<clang_ignored_f_Group>;
2146defm profile_values : BooleanFFlag<"profile-values">, Group<clang_ignored_gcc_optimization_f_Group>;
2147defm regs_graph : BooleanFFlag<"regs-graph">, Group<clang_ignored_f_Group>;
2148defm rename_registers : BooleanFFlag<"rename-registers">, Group<clang_ignored_gcc_optimization_f_Group>;
2149defm ripa : BooleanFFlag<"ripa">, Group<clang_ignored_f_Group>;
2150defm rounding_math : BooleanFFlag<"rounding-math">, Group<clang_ignored_gcc_optimization_f_Group>;
2151defm schedule_insns : BooleanFFlag<"schedule-insns">, Group<clang_ignored_gcc_optimization_f_Group>;
2152defm schedule_insns2 : BooleanFFlag<"schedule-insns2">, Group<clang_ignored_gcc_optimization_f_Group>;
2153defm see : BooleanFFlag<"see">, Group<clang_ignored_f_Group>;
2154defm signaling_nans : BooleanFFlag<"signaling-nans">, Group<clang_ignored_gcc_optimization_f_Group>;
2155defm single_precision_constant : BooleanFFlag<"single-precision-constant">,
2156    Group<clang_ignored_gcc_optimization_f_Group>;
2157defm spec_constr_count : BooleanFFlag<"spec-constr-count">, Group<clang_ignored_f_Group>;
2158defm stack_check : BooleanFFlag<"stack-check">, Group<clang_ignored_f_Group>;
2159defm strength_reduce :
2160    BooleanFFlag<"strength-reduce">, Group<clang_ignored_gcc_optimization_f_Group>;
2161defm tls_model : BooleanFFlag<"tls-model">, Group<clang_ignored_f_Group>;
2162defm tracer : BooleanFFlag<"tracer">, Group<clang_ignored_gcc_optimization_f_Group>;
2163defm tree_dce : BooleanFFlag<"tree-dce">, Group<clang_ignored_gcc_optimization_f_Group>;
2164defm tree_loop_im : BooleanFFlag<"tree_loop_im">,  Group<clang_ignored_gcc_optimization_f_Group>;
2165defm tree_loop_ivcanon : BooleanFFlag<"tree_loop_ivcanon">,  Group<clang_ignored_gcc_optimization_f_Group>;
2166defm tree_loop_linear : BooleanFFlag<"tree_loop_linear">,  Group<clang_ignored_gcc_optimization_f_Group>;
2167defm tree_salias : BooleanFFlag<"tree-salias">, Group<clang_ignored_f_Group>;
2168defm tree_ter : BooleanFFlag<"tree-ter">, Group<clang_ignored_gcc_optimization_f_Group>;
2169defm tree_vectorizer_verbose : BooleanFFlag<"tree-vectorizer-verbose">, Group<clang_ignored_f_Group>;
2170defm tree_vrp : BooleanFFlag<"tree-vrp">, Group<clang_ignored_gcc_optimization_f_Group>;
2171defm unroll_all_loops : BooleanFFlag<"unroll-all-loops">, Group<clang_ignored_gcc_optimization_f_Group>;
2172defm unsafe_loop_optimizations : BooleanFFlag<"unsafe-loop-optimizations">,
2173    Group<clang_ignored_gcc_optimization_f_Group>;
2174defm unswitch_loops : BooleanFFlag<"unswitch-loops">, Group<clang_ignored_gcc_optimization_f_Group>;
2175defm use_linker_plugin : BooleanFFlag<"use-linker-plugin">, Group<clang_ignored_gcc_optimization_f_Group>;
2176defm vect_cost_model : BooleanFFlag<"vect-cost-model">, Group<clang_ignored_gcc_optimization_f_Group>;
2177defm variable_expansion_in_unroller : BooleanFFlag<"variable-expansion-in-unroller">,
2178    Group<clang_ignored_gcc_optimization_f_Group>;
2179defm web : BooleanFFlag<"web">, Group<clang_ignored_gcc_optimization_f_Group>;
2180defm whole_program : BooleanFFlag<"whole-program">, Group<clang_ignored_gcc_optimization_f_Group>;
2181defm devirtualize : BooleanFFlag<"devirtualize">, Group<clang_ignored_gcc_optimization_f_Group>;
2182defm devirtualize_speculatively : BooleanFFlag<"devirtualize-speculatively">,
2183    Group<clang_ignored_gcc_optimization_f_Group>;
2184
2185// gfortran options that we recognize in the driver and pass along when
2186// invoking GCC to compile Fortran code.
2187def gfortran_Group : OptionGroup<"gfortran Group">;
2188
2189// Generic gfortran options.
2190def A_DASH : Joined<["-"], "A-">, Group<gfortran_Group>;
2191def J : JoinedOrSeparate<["-"], "J">, Flags<[RenderJoined]>, Group<gfortran_Group>;
2192def cpp : Flag<["-"], "cpp">, Group<gfortran_Group>;
2193def nocpp : Flag<["-"], "nocpp">, Group<gfortran_Group>;
2194def static_libgfortran : Flag<["-"], "static-libgfortran">, Group<gfortran_Group>;
2195
2196// "f" options with values for gfortran.
2197def fblas_matmul_limit_EQ : Joined<["-"], "fblas-matmul-limit=">, Group<gfortran_Group>;
2198def fcheck_EQ : Joined<["-"], "fcheck=">, Group<gfortran_Group>;
2199def fcoarray_EQ : Joined<["-"], "fcoarray=">, Group<gfortran_Group>;
2200def fconvert_EQ : Joined<["-"], "fconvert=">, Group<gfortran_Group>;
2201def ffixed_line_length_VALUE : Joined<["-"], "ffixed-line-length-">, Group<gfortran_Group>;
2202def ffpe_trap_EQ : Joined<["-"], "ffpe-trap=">, Group<gfortran_Group>;
2203def ffree_line_length_VALUE : Joined<["-"], "ffree-line-length-">, Group<gfortran_Group>;
2204def finit_character_EQ : Joined<["-"], "finit-character=">, Group<gfortran_Group>;
2205def finit_integer_EQ : Joined<["-"], "finit-integer=">, Group<gfortran_Group>;
2206def finit_logical_EQ : Joined<["-"], "finit-logical=">, Group<gfortran_Group>;
2207def finit_real_EQ : Joined<["-"], "finit-real=">, Group<gfortran_Group>;
2208def fmax_array_constructor_EQ : Joined<["-"], "fmax-array-constructor=">, Group<gfortran_Group>;
2209def fmax_errors_EQ : Joined<["-"], "fmax-errors=">, Group<gfortran_Group>;
2210def fmax_stack_var_size_EQ : Joined<["-"], "fmax-stack-var-size=">, Group<gfortran_Group>;
2211def fmax_subrecord_length_EQ : Joined<["-"], "fmax-subrecord-length=">, Group<gfortran_Group>;
2212def frecord_marker_EQ : Joined<["-"], "frecord-marker=">, Group<gfortran_Group>;
2213
2214// "f" flags for gfortran.
2215defm aggressive_function_elimination : BooleanFFlag<"aggressive-function-elimination">, Group<gfortran_Group>;
2216defm align_commons : BooleanFFlag<"align-commons">, Group<gfortran_Group>;
2217defm all_intrinsics : BooleanFFlag<"all-intrinsics">, Group<gfortran_Group>;
2218defm automatic : BooleanFFlag<"automatic">, Group<gfortran_Group>;
2219defm backslash : BooleanFFlag<"backslash">, Group<gfortran_Group>;
2220defm backtrace : BooleanFFlag<"backtrace">, Group<gfortran_Group>;
2221defm bounds_check : BooleanFFlag<"bounds-check">, Group<gfortran_Group>;
2222defm check_array_temporaries : BooleanFFlag<"check-array-temporaries">, Group<gfortran_Group>;
2223defm cray_pointer : BooleanFFlag<"cray-pointer">, Group<gfortran_Group>;
2224defm d_lines_as_code : BooleanFFlag<"d-lines-as-code">, Group<gfortran_Group>;
2225defm d_lines_as_comments : BooleanFFlag<"d-lines-as-comments">, Group<gfortran_Group>;
2226defm default_double_8 : BooleanFFlag<"default-double-8">, Group<gfortran_Group>;
2227defm default_integer_8 : BooleanFFlag<"default-integer-8">, Group<gfortran_Group>;
2228defm default_real_8 : BooleanFFlag<"default-real-8">, Group<gfortran_Group>;
2229defm dollar_ok : BooleanFFlag<"dollar-ok">, Group<gfortran_Group>;
2230defm dump_fortran_optimized : BooleanFFlag<"dump-fortran-optimized">, Group<gfortran_Group>;
2231defm dump_fortran_original : BooleanFFlag<"dump-fortran-original">, Group<gfortran_Group>;
2232defm dump_parse_tree : BooleanFFlag<"dump-parse-tree">, Group<gfortran_Group>;
2233defm external_blas : BooleanFFlag<"external-blas">, Group<gfortran_Group>;
2234defm f2c : BooleanFFlag<"f2c">, Group<gfortran_Group>;
2235defm fixed_form : BooleanFFlag<"fixed-form">, Group<gfortran_Group>;
2236defm free_form : BooleanFFlag<"free-form">, Group<gfortran_Group>;
2237defm frontend_optimize : BooleanFFlag<"frontend-optimize">, Group<gfortran_Group>;
2238defm implicit_none : BooleanFFlag<"implicit-none">, Group<gfortran_Group>;
2239defm init_local_zero : BooleanFFlag<"init-local-zero">, Group<gfortran_Group>;
2240defm integer_4_integer_8 : BooleanFFlag<"integer-4-integer-8">, Group<gfortran_Group>;
2241defm intrinsic_modules_path : BooleanFFlag<"intrinsic-modules-path">, Group<gfortran_Group>;
2242defm max_identifier_length : BooleanFFlag<"max-identifier-length">, Group<gfortran_Group>;
2243defm module_private : BooleanFFlag<"module-private">, Group<gfortran_Group>;
2244defm pack_derived : BooleanFFlag<"pack-derived">, Group<gfortran_Group>;
2245defm protect_parens : BooleanFFlag<"protect-parens">, Group<gfortran_Group>;
2246defm range_check : BooleanFFlag<"range-check">, Group<gfortran_Group>;
2247defm real_4_real_10 : BooleanFFlag<"real-4-real-10">, Group<gfortran_Group>;
2248defm real_4_real_16 : BooleanFFlag<"real-4-real-16">, Group<gfortran_Group>;
2249defm real_4_real_8 : BooleanFFlag<"real-4-real-8">, Group<gfortran_Group>;
2250defm real_8_real_10 : BooleanFFlag<"real-8-real-10">, Group<gfortran_Group>;
2251defm real_8_real_16 : BooleanFFlag<"real-8-real-16">, Group<gfortran_Group>;
2252defm real_8_real_4 : BooleanFFlag<"real-8-real-4">, Group<gfortran_Group>;
2253defm realloc_lhs : BooleanFFlag<"realloc-lhs">, Group<gfortran_Group>;
2254defm recursive : BooleanFFlag<"recursive">, Group<gfortran_Group>;
2255defm repack_arrays : BooleanFFlag<"repack-arrays">, Group<gfortran_Group>;
2256defm second_underscore : BooleanFFlag<"second-underscore">, Group<gfortran_Group>;
2257defm sign_zero : BooleanFFlag<"sign-zero">, Group<gfortran_Group>;
2258defm stack_arrays : BooleanFFlag<"stack-arrays">, Group<gfortran_Group>;
2259defm underscoring : BooleanFFlag<"underscoring">, Group<gfortran_Group>;
2260defm whole_file : BooleanFFlag<"whole-file">, Group<gfortran_Group>;
2261
2262
2263include "CC1Options.td"
2264
2265include "CLCompatOptions.td"
2266