| blob | 28a31cacab4fe7551120acd9fe9d206d299d7b6d |
1 //===--- CC1Options.td - Options for clang -cc1 ---------------------------===//
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 -cc1.
11 //
12 //===----------------------------------------------------------------------===//
14 // Include the common option parsing interfaces.
15 include "OptParser.td"
17 //===----------------------------------------------------------------------===//
18 // Target Options
19 //===----------------------------------------------------------------------===//
21 def cxx_abi : Separate<"-cxx-abi">,
22 HelpText<"Target a particular C++ ABI type">;
23 def target_abi : Separate<"-target-abi">,
24 HelpText<"Target a particular ABI type">;
25 def target_cpu : Separate<"-target-cpu">,
26 HelpText<"Target a specific cpu type">;
27 def target_feature : Separate<"-target-feature">,
28 HelpText<"Target specific attributes">;
29 def target_linker_version : Separate<"-target-linker-version">,
30 HelpText<"Target linker version">;
31 def triple : Separate<"-triple">,
32 HelpText<"Specify target triple (e.g. i686-apple-darwin9)">;
33 def triple_EQ : Joined<"-triple=">, Alias<triple>;
35 //===----------------------------------------------------------------------===//
36 // Analyzer Options
37 //===----------------------------------------------------------------------===//
39 def analysis_CFGDump : Flag<"-cfg-dump">,
40 HelpText<"Display Control-Flow Graphs">;
41 def analysis_CFGView : Flag<"-cfg-view">,
42 HelpText<"View Control-Flow Graphs using GraphViz">;
43 def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">,
44 HelpText<"Generate unoptimized CFGs for all analyses">;
45 def analysis_CFGAddImplicitDtors : Flag<"-cfg-add-implicit-dtors">,
46 HelpText<"Add C++ implicit destructors to CFGs for all analyses">;
47 def analysis_CFGAddInitializers : Flag<"-cfg-add-initializers">,
48 HelpText<"Add C++ initializers to CFGs for all analyses">;
49 def analysis_DisplayLiveVariables : Flag<"-dump-live-variables">,
50 HelpText<"Print results of live variable analysis">;
51 def analysis_LLVMConventionChecker : Flag<"-analyzer-check-llvm-conventions">,
52 HelpText<"Check code for LLVM codebase conventions (domain-specific)">;
53 def analysis_SecuritySyntacticChecks : Flag<"-analyzer-check-security-syntactic">,
54 HelpText<"Perform quick security checks that require no data flow">;
55 def analysis_WarnDeadStores : Flag<"-analyzer-check-dead-stores">,
56 HelpText<"Warn about stores to dead variables">;
57 def analysis_WarnUninitVals : Flag<"-warn-uninit-values">,
58 HelpText<"Warn about uses of uninitialized variables">;
59 def analysis_WarnObjCMethSigs : Flag<"-analyzer-check-objc-methodsigs">,
60 HelpText<"Warn about Objective-C method signatures with type incompatibilities">;
61 def analysis_WarnObjCDealloc : Flag<"-analyzer-check-objc-missing-dealloc">,
62 HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">;
63 def analysis_WarnObjCUnusedIvars : Flag<"-analyzer-check-objc-unused-ivars">,
64 HelpText<"Warn about private ivars that are never used">;
65 def analysis_ObjCMemChecker : Flag<"-analyzer-check-objc-mem">,
66 HelpText<"Run the [Core] Foundation reference count checker">;
67 def analysis_WarnSizeofPointer : Flag<"-warn-sizeof-pointer">,
68 HelpText<"Warn about unintended use of sizeof() on pointer expressions">;
69 def analysis_WarnIdempotentOps : Flag<"-analyzer-check-idempotent-operations">,
70 HelpText<"Warn about idempotent operations">;
71 def analysis_AnalyzerStats : Flag<"-analyzer-stats">,
72 HelpText<"Emit warnings with analyzer statistics">;
74 def analyzer_store : Separate<"-analyzer-store">,
75 HelpText<"Source Code Analysis - Abstract Memory Store Models">;
76 def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>;
78 def analyzer_constraints : Separate<"-analyzer-constraints">,
79 HelpText<"Source Code Analysis - Symbolic Constraint Engines">;
80 def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">,
81 Alias<analyzer_constraints>;
83 def analyzer_output : Separate<"-analyzer-output">,
84 HelpText<"Source Code Analysis - Output Options">;
85 def analyzer_output_EQ : Joined<"-analyzer-output=">,
86 Alias<analyzer_output>;
88 def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">,
89 HelpText<"Force the static analyzer to analyze functions defined in header files">;
90 def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">,
91 HelpText<"Analyze the definitions of blocks in addition to functions">;
92 def analyzer_display_progress : Flag<"-analyzer-display-progress">,
93 HelpText<"Emit verbose output about the analyzer's progress">;
94 def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">,
95 HelpText<"Use experimental path-sensitive checks">;
96 def analyzer_experimental_internal_checks :
97 Flag<"-analyzer-experimental-internal-checks">,
98 HelpText<"Use new default path-sensitive checks currently in testing">;
99 def analyze_function : Separate<"-analyze-function">,
100 HelpText<"Run analysis on specific function">;
101 def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>;
102 def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">,
103 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">;
104 def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">,
105 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">;
106 def trim_egraph : Flag<"-trim-egraph">,
107 HelpText<"Only show error-related paths in the analysis graph">;
108 def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">,
109 HelpText<"Display exploded graph using GraphViz">;
110 def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">,
111 HelpText<"Display exploded graph using Ubigraph">;
112 def analyzer_inline_call : Flag<"-analyzer-inline-call">,
113 HelpText<"Experimental transfer function inlining callees when its definition is available.">;
114 def analyzer_max_nodes : Separate<"-analyzer-max-nodes">,
115 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">;
116 def analyzer_max_loop : Separate<"-analyzer-max-loop">,
117 HelpText<"The maximum number of times the analyzer will go through a loop">;
119 //===----------------------------------------------------------------------===//
120 // CodeGen Options
121 //===----------------------------------------------------------------------===//
123 def disable_llvm_optzns : Flag<"-disable-llvm-optzns">,
124 HelpText<"Don't run LLVM optimization passes">;
125 def disable_llvm_verifier : Flag<"-disable-llvm-verifier">,
126 HelpText<"Don't run the LLVM IR verifier pass">;
127 def disable_red_zone : Flag<"-disable-red-zone">,
128 HelpText<"Do not emit code that uses the red zone.">;
129 def dwarf_debug_flags : Separate<"-dwarf-debug-flags">,
130 HelpText<"The string to embed in the Dwarf debug flags record.">;
131 def g : Flag<"-g">, HelpText<"Generate source level debug information">;
132 def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">,
133 HelpText<"Generate runtime checks for undefined behavior.">;
134 def flimit_debug_info : Flag<"-flimit-debug-info">,
135 HelpText<"Limit debug information produced to reduce size of debug binary">;
136 def fno_common : Flag<"-fno-common">,
137 HelpText<"Compile common globals like normal definitions">;
138 def no_implicit_float : Flag<"-no-implicit-float">,
139 HelpText<"Don't generate implicit floating point instructions (x86-only)">;
140 def finstrument_functions : Flag<"-finstrument-functions">,
141 HelpText<"Generate calls to instrument function entry and exit">;
142 def fno_merge_all_constants : Flag<"-fno-merge-all-constants">,
143 HelpText<"Disallow merging of constants.">;
144 def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">,
145 HelpText<"Do not emit code to make initialization of local statics thread safe">;
146 def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">,
147 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">;
148 def ffunction_sections : Flag<"-ffunction-sections">,
149 HelpText<"Place each function in its own section (ELF Only)">;
150 def fdata_sections : Flag<"-fdata-sections">,
151 HelpText<"Place each data in its own section (ELF Only)">;
152 def funroll_loops : Flag<"-funroll-loops">,
153 HelpText<"Turn on loop unroller">;
154 def relaxed_aliasing : Flag<"-relaxed-aliasing">,
155 HelpText<"Turn off Type Based Alias Analysis">;
156 def masm_verbose : Flag<"-masm-verbose">,
157 HelpText<"Generate verbose assembly output">;
158 def mcode_model : Separate<"-mcode-model">,
159 HelpText<"The code model to use">;
160 def mdebug_pass : Separate<"-mdebug-pass">,
161 HelpText<"Enable additional debug output">;
162 def mdisable_fp_elim : Flag<"-mdisable-fp-elim">,
163 HelpText<"Disable frame pointer elimination optimization">;
164 def mfloat_abi : Separate<"-mfloat-abi">,
165 HelpText<"The float ABI to use">;
166 def mlimit_float_precision : Separate<"-mlimit-float-precision">,
167 HelpText<"Limit float precision to the given value">;
168 def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">,
169 HelpText<"Do not put zero initialized data in the BSS">;
170 def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">,
171 HelpText<"Omit frame pointer setup for leaf functions.">;
172 def msoft_float : Flag<"-msoft-float">,
173 HelpText<"Use software floating point">;
174 def mrelax_all : Flag<"-mrelax-all">,
175 HelpText<"Relax all machine instructions">;
176 def mrelocation_model : Separate<"-mrelocation-model">,
177 HelpText<"The relocation model to use">;
178 def munwind_tables : Flag<"-munwind-tables">,
179 HelpText<"Generate unwinding tables for all functions">;
180 def mconstructor_aliases : Flag<"-mconstructor-aliases">,
181 HelpText<"Emit complete constructors and destructors as aliases when possible">;
182 def O : Joined<"-O">, HelpText<"Optimization level">;
183 def Os : Flag<"-Os">, HelpText<"Optimize for size">;
185 //===----------------------------------------------------------------------===//
186 // Dependency Output Options
187 //===----------------------------------------------------------------------===//
189 def dependency_file : Separate<"-dependency-file">,
190 HelpText<"Filename (or -) to write dependency output to">;
191 def sys_header_deps : Flag<"-sys-header-deps">,
192 HelpText<"Include system headers in dependency output">;
193 def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">;
194 def MT : Separate<"-MT">, HelpText<"Specify target for dependency">;
195 def MP : Flag<"-MP">,
196 HelpText<"Create phony target for each dependency (other than main file)">;
198 //===----------------------------------------------------------------------===//
199 // Diagnostic Options
200 //===----------------------------------------------------------------------===//
202 def dump_build_information : Separate<"-dump-build-information">,
203 MetaVarName<"<filename>">,
204 HelpText<"output a dump of some build information to a file">;
205 def fno_show_column : Flag<"-fno-show-column">,
206 HelpText<"Do not include column number on diagnostics">;
207 def fno_show_source_location : Flag<"-fno-show-source-location">,
208 HelpText<"Do not include source location information with diagnostics">;
209 def fshow_overloads_EQ : Joined<"-fshow-overloads=">,
210 HelpText<"Which overload candidates to show when overload resolution fails: "
211 "best|all; defaults to all">;
212 def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">,
213 HelpText<"Do not include source line and caret with diagnostics">;
214 def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">,
215 HelpText<"Do not include fixit information in diagnostics">;
216 def w : Flag<"-w">, HelpText<"Suppress all warnings">;
217 def pedantic : Flag<"-pedantic">;
218 def pedantic_errors : Flag<"-pedantic-errors">;
220 // This gets all -W options, including -Werror, -W[no-]system-headers, etc. The
221 // driver has stripped off -Wa,foo etc. The driver has also translated -W to
222 // -Wextra, so we don't need to worry about it.
223 def W : Joined<"-W">;
225 def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">,
226 HelpText<"Print source range spans in numeric form">;
227 def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">,
228 HelpText<"Print fix-its in machine parseable form">;
229 def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">,
230 HelpText<"Print diagnostic name with mappable diagnostics">;
231 def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">,
232 HelpText<"Print diagnostic category">;
234 def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">,
235 HelpText<"Set the tab stop distance.">;
236 def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">,
237 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">;
238 def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">,
239 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">;
240 def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">,
241 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">;
242 def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">,
243 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
244 def fcolor_diagnostics : Flag<"-fcolor-diagnostics">,
245 HelpText<"Use colors in diagnostics">;
246 def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">,
247 HelpText<"Silence ObjC rewriting warnings">;
248 def Wwrite_strings : Flag<"-Wwrite-strings">,
249 HelpText<"Remove const qualifier from string literals">;
250 def verify : Flag<"-verify">,
251 HelpText<"Verify emitted diagnostics and warnings">;
253 //===----------------------------------------------------------------------===//
254 // Frontend Options
255 //===----------------------------------------------------------------------===//
257 // This isn't normally used, it is just here so we can parse a
258 // CompilerInvocation out of a driver-derived argument vector.
259 def cc1 : Flag<"-cc1">;
261 def ast_merge : Separate<"-ast-merge">,
262 MetaVarName<"<ast file>">,
263 HelpText<"Merge the given AST file into the translation unit being compiled.">;
264 def code_completion_at : Separate<"-code-completion-at">,
265 MetaVarName<"<file>:<line>:<column>">,
266 HelpText<"Dump code-completion information at a location">;
267 def remap_file : Separate<"-remap-file">,
268 MetaVarName<"<from>;<to>">,
269 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">;
270 def code_completion_at_EQ : Joined<"-code-completion-at=">,
271 Alias<code_completion_at>;
272 def code_completion_macros : Flag<"-code-completion-macros">,
273 HelpText<"Include macros in code-completion results">;
274 def code_completion_patterns : Flag<"-code-completion-patterns">,
275 HelpText<"Include code patterns in code-completion results">;
276 def no_code_completion_globals : Flag<"-no-code-completion-globals">,
277 HelpText<"Do not include global declarations in code-completion results.">;
278 def disable_free : Flag<"-disable-free">,
279 HelpText<"Disable freeing of memory on exit">;
280 def help : Flag<"-help">,
281 HelpText<"Print this help text">;
282 def _help : Flag<"--help">, Alias<help>;
283 def x : Separate<"-x">, HelpText<"Input language type">;
284 def cxx_inheritance_view : Separate<"-cxx-inheritance-view">,
285 MetaVarName<"<class name>">,
286 HelpText<"View C++ inheritance for a specified class">;
287 def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">;
288 def load : Separate<"-load">, MetaVarName<"<dsopath>">,
289 HelpText<"Load the named plugin (dynamic shared object)">;
290 def plugin : Separate<"-plugin">, MetaVarName<"<name>">,
291 HelpText<"Use the named plugin action (use \"help\" to list available options)">;
292 def plugin_arg : JoinedAndSeparate<"-plugin-arg-">,
293 MetaVarName<"<name> <arg>">,
294 HelpText<"Pass <arg> to plugin <name>">;
295 def resource_dir : Separate<"-resource-dir">,
296 HelpText<"The directory which holds the compiler resource files">;
297 def version : Flag<"-version">,
298 HelpText<"Print the compiler version">;
299 def _version : Flag<"--version">, Alias<version>;
301 def Action_Group : OptionGroup<"<action group>">;
302 let Group = Action_Group in {
304 def Eonly : Flag<"-Eonly">,
305 HelpText<"Just run preprocessor, no output (for timings)">;
306 def E : Flag<"-E">,
307 HelpText<"Run preprocessor, emit preprocessed file">;
308 def dump_raw_tokens : Flag<"-dump-raw-tokens">,
309 HelpText<"Lex file in raw mode and dump raw tokens">;
310 def analyze : Flag<"-analyze">,
311 HelpText<"Run static analysis engine">;
312 def dump_tokens : Flag<"-dump-tokens">,
313 HelpText<"Run preprocessor, dump internal rep of tokens">;
314 def init_only : Flag<"-init-only">,
315 HelpText<"Only execute frontend initialization">;
316 def fsyntax_only : Flag<"-fsyntax-only">,
317 HelpText<"Run parser and perform semantic analysis">;
318 def fixit : Flag<"-fixit">,
319 HelpText<"Apply fix-it advice to the input source">;
320 def fixit_EQ : Joined<"-fixit=">,
321 HelpText<"Apply fix-it advice creating a file with the given suffix">;
322 def print_preamble : Flag<"-print-preamble">,
323 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit"
324 " precompiled headers.">;
325 def emit_html : Flag<"-emit-html">,
326 HelpText<"Output input source as HTML">;
327 def ast_print : Flag<"-ast-print">,
328 HelpText<"Build ASTs and then pretty-print them">;
329 def ast_print_xml : Flag<"-ast-print-xml">,
330 HelpText<"Build ASTs and then print them in XML format">;
331 def ast_dump : Flag<"-ast-dump">,
332 HelpText<"Build ASTs and then debug dump them">;
333 def ast_dump_xml : Flag<"-ast-dump-xml">,
334 HelpText<"Build ASTs and then debug dump them in a verbose XML format">;
335 def ast_view : Flag<"-ast-view">,
336 HelpText<"Build ASTs and view them with GraphViz">;
337 def boostcon : Flag<"-boostcon">,
338 HelpText<"BoostCon workshop mode">;
339 def print_decl_contexts : Flag<"-print-decl-contexts">,
340 HelpText<"Print DeclContexts and their Decls">;
341 def emit_pth : Flag<"-emit-pth">,
342 HelpText<"Generate pre-tokenized header file">;
343 def emit_pch : Flag<"-emit-pch">,
344 HelpText<"Generate pre-compiled header file">;
345 def S : Flag<"-S">,
346 HelpText<"Emit native assembly code">;
347 def emit_llvm : Flag<"-emit-llvm">,
348 HelpText<"Build ASTs then convert to LLVM, emit .ll file">;
349 def emit_llvm_bc : Flag<"-emit-llvm-bc">,
350 HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
351 def emit_llvm_only : Flag<"-emit-llvm-only">,
352 HelpText<"Build ASTs and convert to LLVM, discarding output">;
353 def emit_codegen_only : Flag<"-emit-codegen-only">,
354 HelpText<"Generate machine code, but discard output">;
355 def emit_obj : Flag<"-emit-obj">,
356 HelpText<"Emit native object files">;
357 def rewrite_test : Flag<"-rewrite-test">,
358 HelpText<"Rewriter playground">;
359 def rewrite_objc : Flag<"-rewrite-objc">,
360 HelpText<"Rewrite ObjC into C (code rewriter example)">;
361 def rewrite_macros : Flag<"-rewrite-macros">,
362 HelpText<"Expand macros without full preprocessing">;
364 def create_module : Flag<"-create-module">,
365 HelpText<"Create a module definition file">;
366 }
368 def import_module : Separate<"-import-module">,
369 HelpText<"Import a module definition file">;
371 def working_directory : JoinedOrSeparate<"-working-directory">,
372 HelpText<"Resolve file paths relative to the specified directory">;
373 def working_directory_EQ : Joined<"-working-directory=">,
374 Alias<working_directory>;
376 def relocatable_pch : Flag<"-relocatable-pch">,
377 HelpText<"Whether to build a relocatable precompiled header">;
378 def chained_pch : Flag<"-chained-pch">,
379 HelpText<"Whether to chain the new precompiled header to the old one.">;
380 def print_stats : Flag<"-print-stats">,
381 HelpText<"Print performance metrics and statistics">;
382 def ftime_report : Flag<"-ftime-report">,
383 HelpText<"Print the amount of time each phase of compilation takes">;
384 def fdump_record_layouts : Flag<"-fdump-record-layouts">,
385 HelpText<"Dump record layout information">;
386 def fix_what_you_can : Flag<"-fix-what-you-can">,
387 HelpText<"Apply fix-it advice even in the presence of unfixable errors">;
389 // Generic forwarding to LLVM options. This should only be used for debugging
390 // and experimental features.
391 def mllvm : Separate<"-mllvm">,
392 HelpText<"Additional arguments to forward to LLVM's option processing">;
394 //===----------------------------------------------------------------------===//
395 // Language Options
396 //===----------------------------------------------------------------------===//
398 def fno_builtin : Flag<"-fno-builtin">,
399 HelpText<"Disable implicit builtin knowledge of functions">;
400 def faltivec : Flag<"-faltivec">,
401 HelpText<"Enable AltiVec vector initializer syntax">;
402 def fno_access_control : Flag<"-fno-access-control">,
403 HelpText<"Disable C++ access control">;
404 def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">,
405 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">;
406 def fgnu_keywords : Flag<"-fgnu-keywords">,
407 HelpText<"Allow GNU-extension keywords regardless of language standard">;
408 def fno_gnu_keywords : Flag<"-fno-gnu-keywords">,
409 HelpText<"Disallow GNU-extension keywords regardless of language standard">;
410 def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">,
411 HelpText<"Allow '$' in identifiers">;
412 def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">,
413 HelpText<"Disallow '$' in identifiers">;
414 def femit_all_decls : Flag<"-femit-all-decls">,
415 HelpText<"Emit all declarations, even if unused">;
416 def fblocks : Flag<"-fblocks">,
417 HelpText<"enable the 'blocks' language feature">;
418 def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">;
419 def fexceptions : Flag<"-fexceptions">,
420 HelpText<"Enable support for exception handling">;
421 def fsjlj_exceptions : Flag<"-fsjlj-exceptions">,
422 HelpText<"Use SjLj style exceptions">;
423 def ffreestanding : Flag<"-ffreestanding">,
424 HelpText<"Assert that the compilation takes place in a freestanding environment">;
425 def fgnu_runtime : Flag<"-fgnu-runtime">,
426 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">;
427 def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">,
428 HelpText<"Generate weak vtables and RTTI with hidden visibility">;
429 def std_EQ : Joined<"-std=">,
430 HelpText<"Language standard to compile for">;
431 def fmath_errno : Flag<"-fmath-errno">,
432 HelpText<"Require math functions to indicate errors by setting errno">;
433 def fms_extensions : Flag<"-fms-extensions">,
434 HelpText<"Accept some non-standard constructs used in Microsoft header files ">;
435 def fmsc_version : Joined<"-fmsc-version=">,
436 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">;
437 def fborland_extensions : Flag<"-fborland-extensions">,
438 HelpText<"Accept non-standard constructs supported by the Borland compiler">;
439 def main_file_name : Separate<"-main-file-name">,
440 HelpText<"Main file name to use for debug info">;
441 def fno_elide_constructors : Flag<"-fno-elide-constructors">,
442 HelpText<"Disable C++ copy constructor elision">;
443 def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">,
444 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">;
445 def fno_operator_names : Flag<"-fno-operator-names">,
446 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">;
447 def fno_signed_char : Flag<"-fno-signed-char">,
448 HelpText<"Char is unsigned">;
449 def fno_spell_checking : Flag<"-fno-spell-checking">,
450 HelpText<"Disable spell-checking">;
451 def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">,
452 HelpText<"Don't use __cxa_atexit for calling destructors">;
453 def fconstant_string_class : Separate<"-fconstant-string-class">,
454 MetaVarName<"<class name>">,
455 HelpText<"Specify the class to use for constant Objective-C string objects.">;
456 def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">,
457 HelpText<"Enable creation of CodeFoundation-type constant strings">;
458 def fobjc_gc : Flag<"-fobjc-gc">,
459 HelpText<"Enable Objective-C garbage collection">;
460 def fobjc_gc_only : Flag<"-fobjc-gc-only">,
461 HelpText<"Use GC exclusively for Objective-C related memory management">;
462 def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">,
463 HelpText<"Objective-C dispatch method to use">;
464 def print_ivar_layout : Flag<"-print-ivar-layout">,
465 HelpText<"Enable Objective-C Ivar layout bitmap print trace">;
466 def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">,
467 HelpText<"enable objective-c's nonfragile abi">;
468 def fobjc_nonfragile_abi2 : Flag<"-fobjc-nonfragile-abi2">,
469 HelpText<"enable objective-c's enhanced nonfragile abi">;
470 def ftrapv : Flag<"-ftrapv">,
471 HelpText<"Trap on integer overflow">;
472 def ftrapv_handler : Separate<"-ftrapv-handler">,
473 MetaVarName<"<function name>">,
474 HelpText<"Specify the function to be called on overflow.">;
475 def fwrapv : Flag<"-fwrapv">,
476 HelpText<"Treat signed integer overflow as two's complement">;
477 def pic_level : Separate<"-pic-level">,
478 HelpText<"Value for __PIC__">;
479 def pthread : Flag<"-pthread">,
480 HelpText<"Support POSIX threads in generated code">;
481 def fpascal_strings : Flag<"-fpascal-strings">,
482 HelpText<"Recognize and construct Pascal-style string literals">;
483 def fno_rtti : Flag<"-fno-rtti">,
484 HelpText<"Disable generation of rtti information">;
485 def fno_validate_pch : Flag<"-fno-validate-pch">,
486 HelpText<"Disable validation of precompiled headers">;
487 def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">,
488 HelpText<"Dump declarations that are deserialized from PCH, for testing">;
489 def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">,
490 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">;
491 def fshort_wchar : Flag<"-fshort-wchar">,
492 HelpText<"Force wchar_t to be a short unsigned int">;
493 def fshort_enums : Flag<"-fshort-enums">,
494 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">;
495 def static_define : Flag<"-static-define">,
496 HelpText<"Should __STATIC__ be defined">;
497 def stack_protector : Separate<"-stack-protector">,
498 HelpText<"Enable stack protectors">;
499 def fvisibility : Separate<"-fvisibility">,
500 HelpText<"Default symbol visibility">;
501 def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">,
502 HelpText<"Give inline C++ member functions default visibility by default">;
503 def ftemplate_depth : Separate<"-ftemplate-depth">,
504 HelpText<"Maximum depth of recursive template instantiation">;
505 def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">,
506 HelpText<"Warn if a function definition returns or accepts an object larger "
507 "in bytes that a given value">;
508 def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">,
509 Alias<Wlarge_by_value_copy>;
510 def trigraphs : Flag<"-trigraphs">,
511 HelpText<"Process trigraph sequences">;
512 def fwritable_strings : Flag<"-fwritable-strings">,
513 HelpText<"Store string literals as writable data">;
514 def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">,
515 HelpText<"Ignore bit-field types when aligning structures">;
517 //===----------------------------------------------------------------------===//
518 // Header Search Options
519 //===----------------------------------------------------------------------===//
521 def nostdinc : Flag<"-nostdinc">,
522 HelpText<"Disable standard #include directories">;
523 def nostdincxx : Flag<"-nostdinc++">,
524 HelpText<"Disable standard #include directories for the C++ standard library">;
525 def nobuiltininc : Flag<"-nobuiltininc">,
526 HelpText<"Disable builtin #include directories">;
527 def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">,
528 HelpText<"Add directory to framework include search path">;
529 def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">,
530 HelpText<"Add directory to include search path">;
531 def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">,
532 HelpText<"Add directory to AFTER include search path">;
533 def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">,
534 HelpText<"Add directory to QUOTE include search path">;
535 def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">,
536 HelpText<"Add directory to SYSTEM include search path">;
537 def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">,
538 HelpText<"Add directory to SYSTEM include search path, "
539 "absolute paths are relative to -isysroot">;
540 def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">,
541 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">;
542 def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">,
543 HelpText<"Set directory to SYSTEM include search path with prefix">;
544 def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">,
545 MetaVarName<"<dir>">,
546 HelpText<"Set directory to include search path with prefix">;
547 def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">,
548 HelpText<"Set the system root directory (usually /)">;
549 def cxx_system_include : Separate<"-cxx-system-include">,
550 HelpText<"Add a system #include directory for the C++ standard library">;
551 def v : Flag<"-v">, HelpText<"Enable verbose output">;
553 //===----------------------------------------------------------------------===//
554 // Preprocessor Options
555 //===----------------------------------------------------------------------===//
557 def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">,
558 HelpText<"Predefine the specified macro">;
559 def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">,
560 HelpText<"Include file before parsing">;
561 def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">,
562 HelpText<"Include macros from file before parsing">;
563 def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">,
564 HelpText<"Include precompiled header file">;
565 def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">,
566 HelpText<"Include file before parsing">;
567 def preamble_bytes_EQ : Joined<"-preamble-bytes=">,
568 HelpText<"Assume that the precompiled header is a precompiled preamble "
569 "covering the first N bytes of the main file">;
570 def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">,
571 HelpText<"Use specified token cache file">;
572 def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">,
573 HelpText<"Undefine the specified macro">;
574 def undef : Flag<"-undef">, MetaVarName<"<macro>">,
575 HelpText<"undef all system defines">;
576 def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">,
577 HelpText<"include a detailed record of preprocessing actions">;
579 //===----------------------------------------------------------------------===//
580 // Preprocessed Output Options
581 //===----------------------------------------------------------------------===//
583 def P : Flag<"-P">,
584 HelpText<"Disable linemarker output in -E mode">;
585 def C : Flag<"-C">,
586 HelpText<"Enable comment output in -E mode">;
587 def CC : Flag<"-CC">,
588 HelpText<"Enable comment output in -E mode, even from macro expansions">;
589 def dM : Flag<"-dM">,
590 HelpText<"Print macro definitions in -E mode instead of normal output">;
591 def dD : Flag<"-dD">,
592 HelpText<"Print macro definitions in -E mode in addition to normal output">;
593 def H : Flag<"-H">,
594 HelpText<"Show header includes and nesting depth">;
596 //===----------------------------------------------------------------------===//
597 // OpenCL Options
598 //===----------------------------------------------------------------------===//
600 def cl_opt_disable : Flag<"-cl-opt-disable">,
601 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">;
602 def cl_single_precision_constant : Flag<"-cl-single-precision-constant">,
603 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
604 def cl_finite_math_only : Flag<"-cl-finite-math-only">,
605 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
606 def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">,
607 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">;
608 def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">,
609 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">;
610 def cl_mad_enable : Flag<"-cl-mad-enable">,
611 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">;
612 def cl_std_EQ : Joined<"-cl-std=">,
613 HelpText<"OpenCL language standard to compile for">;