1 //===--- CC1Options.td - Options for clang -cc1 ---------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the options accepted by clang -cc1.
12 //===----------------------------------------------------------------------===//
14 // Include the common option parsing interfaces.
15 include "OptParser.td"
17 //===----------------------------------------------------------------------===//
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 //===----------------------------------------------------------------------===//
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_WarnUninitVals : Flag<"-warn-uninit-values">,
52 HelpText<"Warn about uses of uninitialized variables">;
53 def analysis_ObjCMemChecker : Flag<"-analyzer-check-objc-mem">,
54 HelpText<"Run the [Core] Foundation reference count checker">;
55 def analysis_AnalyzerStats : Flag<"-analyzer-stats">,
56 HelpText<"Emit warnings with analyzer statistics">;
57 def analysis_WarnBufferOverflows : Flag<"-analyzer-check-buffer-overflows">,
58 HelpText<"Warn about buffer overflows">;
60 def analyzer_store : Separate<"-analyzer-store">,
61 HelpText<"Source Code Analysis - Abstract Memory Store Models">;
62 def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>;
64 def analyzer_constraints : Separate<"-analyzer-constraints">,
65 HelpText<"Source Code Analysis - Symbolic Constraint Engines">;
66 def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">,
67 Alias<analyzer_constraints>;
69 def analyzer_output : Separate<"-analyzer-output">,
70 HelpText<"Source Code Analysis - Output Options">;
71 def analyzer_output_EQ : Joined<"-analyzer-output=">,
72 Alias<analyzer_output>;
74 def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">,
75 HelpText<"Force the static analyzer to analyze functions defined in header files">;
76 def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">,
77 HelpText<"Analyze the definitions of blocks in addition to functions">;
78 def analyzer_display_progress : Flag<"-analyzer-display-progress">,
79 HelpText<"Emit verbose output about the analyzer's progress">;
80 def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">,
81 HelpText<"Use experimental path-sensitive checks">;
82 def analyzer_experimental_internal_checks :
83 Flag<"-analyzer-experimental-internal-checks">,
84 HelpText<"Use new default path-sensitive checks currently in testing">;
85 def analyze_function : Separate<"-analyze-function">,
86 HelpText<"Run analysis on specific function">;
87 def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>;
88 def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">,
89 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">;
90 def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">,
91 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">;
92 def analyzer_no_eagerly_trim_egraph : Flag<"-analyzer-no-eagerly-trim-egraph">,
93 HelpText<"Don't eagerly remove uninteresting ExplodedNodes from the ExplodedGraph">;
94 def trim_egraph : Flag<"-trim-egraph">,
95 HelpText<"Only show error-related paths in the analysis graph">;
96 def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">,
97 HelpText<"Display exploded graph using GraphViz">;
98 def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">,
99 HelpText<"Display exploded graph using Ubigraph">;
100 def analyzer_inline_call : Flag<"-analyzer-inline-call">,
101 HelpText<"Experimental transfer function inlining callees when its definition is available.">;
102 def analyzer_max_nodes : Separate<"-analyzer-max-nodes">,
103 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">;
104 def analyzer_max_loop : Separate<"-analyzer-max-loop">,
105 HelpText<"The maximum number of times the analyzer will go through a loop">;
107 def analyzer_checker : Separate<"-analyzer-checker">,
108 HelpText<"Choose analyzer checkers to enable">;
109 def analyzer_checker_EQ : Joined<"-analyzer-checker=">,
110 Alias<analyzer_checker>;
112 def analyzer_disable_checker : Separate<"-analyzer-disable-checker">,
113 HelpText<"Choose analyzer checkers to disable">;
114 def analyzer_disable_checker_EQ : Joined<"-analyzer-disable-checker=">,
115 Alias<analyzer_disable_checker>;
117 //===----------------------------------------------------------------------===//
119 //===----------------------------------------------------------------------===//
121 def disable_llvm_optzns : Flag<"-disable-llvm-optzns">,
122 HelpText<"Don't run LLVM optimization passes">;
123 def disable_llvm_verifier : Flag<"-disable-llvm-verifier">,
124 HelpText<"Don't run the LLVM IR verifier pass">;
125 def disable_red_zone : Flag<"-disable-red-zone">,
126 HelpText<"Do not emit code that uses the red zone.">;
127 def dwarf_debug_flags : Separate<"-dwarf-debug-flags">,
128 HelpText<"The string to embed in the Dwarf debug flags record.">;
129 def g : Flag<"-g">, HelpText<"Generate source level debug information">;
130 def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">,
131 HelpText<"Generate runtime checks for undefined behavior.">;
132 def flimit_debug_info : Flag<"-flimit-debug-info">,
133 HelpText<"Limit debug information produced to reduce size of debug binary">;
134 def fno_common : Flag<"-fno-common">,
135 HelpText<"Compile common globals like normal definitions">;
136 def no_implicit_float : Flag<"-no-implicit-float">,
137 HelpText<"Don't generate implicit floating point instructions (x86-only)">;
138 def finstrument_functions : Flag<"-finstrument-functions">,
139 HelpText<"Generate calls to instrument function entry and exit">;
140 def fno_merge_all_constants : Flag<"-fno-merge-all-constants">,
141 HelpText<"Disallow merging of constants.">;
142 def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">,
143 HelpText<"Do not emit code to make initialization of local statics thread safe">;
144 def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">,
145 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">;
146 def ffunction_sections : Flag<"-ffunction-sections">,
147 HelpText<"Place each function in its own section (ELF Only)">;
148 def fdata_sections : Flag<"-fdata-sections">,
149 HelpText<"Place each data in its own section (ELF Only)">;
150 def funroll_loops : Flag<"-funroll-loops">,
151 HelpText<"Turn on loop unroller">;
152 def relaxed_aliasing : Flag<"-relaxed-aliasing">,
153 HelpText<"Turn off Type Based Alias Analysis">;
154 def masm_verbose : Flag<"-masm-verbose">,
155 HelpText<"Generate verbose assembly output">;
156 def mcode_model : Separate<"-mcode-model">,
157 HelpText<"The code model to use">;
158 def mdebug_pass : Separate<"-mdebug-pass">,
159 HelpText<"Enable additional debug output">;
160 def mdisable_fp_elim : Flag<"-mdisable-fp-elim">,
161 HelpText<"Disable frame pointer elimination optimization">;
162 def mfloat_abi : Separate<"-mfloat-abi">,
163 HelpText<"The float ABI to use">;
164 def mlimit_float_precision : Separate<"-mlimit-float-precision">,
165 HelpText<"Limit float precision to the given value">;
166 def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">,
167 HelpText<"Do not put zero initialized data in the BSS">;
168 def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">,
169 HelpText<"Omit frame pointer setup for leaf functions.">;
170 def msoft_float : Flag<"-msoft-float">,
171 HelpText<"Use software floating point">;
172 def mregparm : Separate<"-mregparm">,
173 HelpText<"Limit the number of registers available for integer arguments">;
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 mms_bitfields : Flag<"-mms-bitfields">,
183 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">;
184 def O : Joined<"-O">, HelpText<"Optimization level">;
185 def Os : Flag<"-Os">, HelpText<"Optimize for size">;
186 def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">;
188 //===----------------------------------------------------------------------===//
189 // Dependency Output Options
190 //===----------------------------------------------------------------------===//
192 def dependency_file : Separate<"-dependency-file">,
193 HelpText<"Filename (or -) to write dependency output to">;
194 def sys_header_deps : Flag<"-sys-header-deps">,
195 HelpText<"Include system headers in dependency output">;
196 def header_include_file : Separate<"-header-include-file">,
197 HelpText<"Filename (or -) to write header include output to">;
199 HelpText<"Show header includes and nesting depth">;
200 def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">;
201 def MT : Separate<"-MT">, HelpText<"Specify target for dependency">;
202 def MP : Flag<"-MP">,
203 HelpText<"Create phony target for each dependency (other than main file)">;
205 //===----------------------------------------------------------------------===//
206 // Diagnostic Options
207 //===----------------------------------------------------------------------===//
209 def dump_build_information : Separate<"-dump-build-information">,
210 MetaVarName<"<filename>">,
211 HelpText<"output a dump of some build information to a file">;
212 def fno_show_column : Flag<"-fno-show-column">,
213 HelpText<"Do not include column number on diagnostics">;
214 def fno_show_source_location : Flag<"-fno-show-source-location">,
215 HelpText<"Do not include source location information with diagnostics">;
216 def fshow_overloads_EQ : Joined<"-fshow-overloads=">,
217 HelpText<"Which overload candidates to show when overload resolution fails: "
218 "best|all; defaults to all">;
219 def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">,
220 HelpText<"Do not include source line and caret with diagnostics">;
221 def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">,
222 HelpText<"Do not include fixit information in diagnostics">;
223 def w : Flag<"-w">, HelpText<"Suppress all warnings">;
224 def pedantic : Flag<"-pedantic">;
225 def pedantic_errors : Flag<"-pedantic-errors">;
227 // This gets all -W options, including -Werror, -W[no-]system-headers, etc. The
228 // driver has stripped off -Wa,foo etc. The driver has also translated -W to
229 // -Wextra, so we don't need to worry about it.
230 def W : Joined<"-W">;
232 def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">,
233 HelpText<"Print source range spans in numeric form">;
234 def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">,
235 HelpText<"Print fix-its in machine parseable form">;
236 def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">,
237 HelpText<"Print diagnostic name with mappable diagnostics">;
238 def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">,
239 HelpText<"Print diagnostic category">;
241 def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">,
242 HelpText<"Set the tab stop distance.">;
243 def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">,
244 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">;
245 def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">,
246 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">;
247 def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">,
248 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">;
249 def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">,
250 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
251 def fcolor_diagnostics : Flag<"-fcolor-diagnostics">,
252 HelpText<"Use colors in diagnostics">;
253 def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">,
254 HelpText<"Silence ObjC rewriting warnings">;
255 def Wwrite_strings : Flag<"-Wwrite-strings">,
256 HelpText<"Remove const qualifier from string literals">;
257 def verify : Flag<"-verify">,
258 HelpText<"Verify emitted diagnostics and warnings">;
260 //===----------------------------------------------------------------------===//
262 //===----------------------------------------------------------------------===//
264 // This isn't normally used, it is just here so we can parse a
265 // CompilerInvocation out of a driver-derived argument vector.
266 def cc1 : Flag<"-cc1">;
268 def ast_merge : Separate<"-ast-merge">,
269 MetaVarName<"<ast file>">,
270 HelpText<"Merge the given AST file into the translation unit being compiled.">;
271 def code_completion_at : Separate<"-code-completion-at">,
272 MetaVarName<"<file>:<line>:<column>">,
273 HelpText<"Dump code-completion information at a location">;
274 def remap_file : Separate<"-remap-file">,
275 MetaVarName<"<from>;<to>">,
276 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">;
277 def code_completion_at_EQ : Joined<"-code-completion-at=">,
278 Alias<code_completion_at>;
279 def code_completion_macros : Flag<"-code-completion-macros">,
280 HelpText<"Include macros in code-completion results">;
281 def code_completion_patterns : Flag<"-code-completion-patterns">,
282 HelpText<"Include code patterns in code-completion results">;
283 def no_code_completion_globals : Flag<"-no-code-completion-globals">,
284 HelpText<"Do not include global declarations in code-completion results.">;
285 def disable_free : Flag<"-disable-free">,
286 HelpText<"Disable freeing of memory on exit">;
287 def help : Flag<"-help">,
288 HelpText<"Print this help text">;
289 def _help : Flag<"--help">, Alias<help>;
290 def x : Separate<"-x">, HelpText<"Input language type">;
291 def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">;
292 def load : Separate<"-load">, MetaVarName<"<dsopath>">,
293 HelpText<"Load the named plugin (dynamic shared object)">;
294 def plugin : Separate<"-plugin">, MetaVarName<"<name>">,
295 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">;
296 def plugin_arg : JoinedAndSeparate<"-plugin-arg-">,
297 MetaVarName<"<name> <arg>">,
298 HelpText<"Pass <arg> to plugin <name>">;
299 def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">,
300 HelpText<"Use the named plugin action in addition to the default action">;
301 def resource_dir : Separate<"-resource-dir">,
302 HelpText<"The directory which holds the compiler resource files">;
303 def version : Flag<"-version">,
304 HelpText<"Print the compiler version">;
305 def _version : Flag<"--version">, Alias<version>;
307 def Action_Group : OptionGroup<"<action group>">;
308 let Group = Action_Group in {
310 def Eonly : Flag<"-Eonly">,
311 HelpText<"Just run preprocessor, no output (for timings)">;
313 HelpText<"Run preprocessor, emit preprocessed file">;
314 def dump_raw_tokens : Flag<"-dump-raw-tokens">,
315 HelpText<"Lex file in raw mode and dump raw tokens">;
316 def analyze : Flag<"-analyze">,
317 HelpText<"Run static analysis engine">;
318 def dump_tokens : Flag<"-dump-tokens">,
319 HelpText<"Run preprocessor, dump internal rep of tokens">;
320 def init_only : Flag<"-init-only">,
321 HelpText<"Only execute frontend initialization">;
322 def fsyntax_only : Flag<"-fsyntax-only">,
323 HelpText<"Run parser and perform semantic analysis">;
324 def fixit : Flag<"-fixit">,
325 HelpText<"Apply fix-it advice to the input source">;
326 def fixit_EQ : Joined<"-fixit=">,
327 HelpText<"Apply fix-it advice creating a file with the given suffix">;
328 def print_preamble : Flag<"-print-preamble">,
329 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit"
330 " precompiled headers.">;
331 def emit_html : Flag<"-emit-html">,
332 HelpText<"Output input source as HTML">;
333 def ast_print : Flag<"-ast-print">,
334 HelpText<"Build ASTs and then pretty-print them">;
335 def ast_print_xml : Flag<"-ast-print-xml">,
336 HelpText<"Build ASTs and then print them in XML format">;
337 def ast_dump : Flag<"-ast-dump">,
338 HelpText<"Build ASTs and then debug dump them">;
339 def ast_dump_xml : Flag<"-ast-dump-xml">,
340 HelpText<"Build ASTs and then debug dump them in a verbose XML format">;
341 def ast_view : Flag<"-ast-view">,
342 HelpText<"Build ASTs and view them with GraphViz">;
343 def boostcon : Flag<"-boostcon">,
344 HelpText<"BoostCon workshop mode">;
345 def print_decl_contexts : Flag<"-print-decl-contexts">,
346 HelpText<"Print DeclContexts and their Decls">;
347 def emit_pth : Flag<"-emit-pth">,
348 HelpText<"Generate pre-tokenized header file">;
349 def emit_pch : Flag<"-emit-pch">,
350 HelpText<"Generate pre-compiled header file">;
352 HelpText<"Emit native assembly code">;
353 def emit_llvm : Flag<"-emit-llvm">,
354 HelpText<"Build ASTs then convert to LLVM, emit .ll file">;
355 def emit_llvm_bc : Flag<"-emit-llvm-bc">,
356 HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
357 def emit_llvm_only : Flag<"-emit-llvm-only">,
358 HelpText<"Build ASTs and convert to LLVM, discarding output">;
359 def emit_codegen_only : Flag<"-emit-codegen-only">,
360 HelpText<"Generate machine code, but discard output">;
361 def emit_obj : Flag<"-emit-obj">,
362 HelpText<"Emit native object files">;
363 def rewrite_test : Flag<"-rewrite-test">,
364 HelpText<"Rewriter playground">;
365 def rewrite_objc : Flag<"-rewrite-objc">,
366 HelpText<"Rewrite ObjC into C (code rewriter example)">;
367 def rewrite_macros : Flag<"-rewrite-macros">,
368 HelpText<"Expand macros without full preprocessing">;
370 def create_module : Flag<"-create-module">,
371 HelpText<"Create a module definition file">;
374 def import_module : Separate<"-import-module">,
375 HelpText<"Import a module definition file">;
377 def working_directory : JoinedOrSeparate<"-working-directory">,
378 HelpText<"Resolve file paths relative to the specified directory">;
379 def working_directory_EQ : Joined<"-working-directory=">,
380 Alias<working_directory>;
382 def relocatable_pch : Flag<"-relocatable-pch">,
383 HelpText<"Whether to build a relocatable precompiled header">;
384 def chained_pch : Flag<"-chained-pch">,
385 HelpText<"Whether to chain the new precompiled header to the old one.">;
386 def print_stats : Flag<"-print-stats">,
387 HelpText<"Print performance metrics and statistics">;
388 def ftime_report : Flag<"-ftime-report">,
389 HelpText<"Print the amount of time each phase of compilation takes">;
390 def fdump_record_layouts : Flag<"-fdump-record-layouts">,
391 HelpText<"Dump record layout information">;
392 def fix_what_you_can : Flag<"-fix-what-you-can">,
393 HelpText<"Apply fix-it advice even in the presence of unfixable errors">;
395 // Generic forwarding to LLVM options. This should only be used for debugging
396 // and experimental features.
397 def mllvm : Separate<"-mllvm">,
398 HelpText<"Additional arguments to forward to LLVM's option processing">;
400 //===----------------------------------------------------------------------===//
402 //===----------------------------------------------------------------------===//
404 def fno_builtin : Flag<"-fno-builtin">,
405 HelpText<"Disable implicit builtin knowledge of functions">;
406 def faltivec : Flag<"-faltivec">,
407 HelpText<"Enable AltiVec vector initializer syntax">;
408 def fno_access_control : Flag<"-fno-access-control">,
409 HelpText<"Disable C++ access control">;
410 def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">,
411 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">;
412 def fgnu_keywords : Flag<"-fgnu-keywords">,
413 HelpText<"Allow GNU-extension keywords regardless of language standard">;
414 def fno_gnu_keywords : Flag<"-fno-gnu-keywords">,
415 HelpText<"Disallow GNU-extension keywords regardless of language standard">;
416 def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">,
417 HelpText<"Allow '$' in identifiers">;
418 def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">,
419 HelpText<"Disallow '$' in identifiers">;
420 def femit_all_decls : Flag<"-femit-all-decls">,
421 HelpText<"Emit all declarations, even if unused">;
422 def fblocks : Flag<"-fblocks">,
423 HelpText<"enable the 'blocks' language feature">;
424 def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">;
425 def fexceptions : Flag<"-fexceptions">,
426 HelpText<"Enable support for exception handling">;
427 def fsjlj_exceptions : Flag<"-fsjlj-exceptions">,
428 HelpText<"Use SjLj style exceptions">;
429 def ffreestanding : Flag<"-ffreestanding">,
430 HelpText<"Assert that the compilation takes place in a freestanding environment">;
431 def fgnu_runtime : Flag<"-fgnu-runtime">,
432 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">;
433 def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">,
434 HelpText<"Generate weak vtables and RTTI with hidden visibility">;
435 def std_EQ : Joined<"-std=">,
436 HelpText<"Language standard to compile for">;
437 def fmath_errno : Flag<"-fmath-errno">,
438 HelpText<"Require math functions to indicate errors by setting errno">;
439 def fms_extensions : Flag<"-fms-extensions">,
440 HelpText<"Accept some non-standard constructs used in Microsoft header files ">;
441 def fmsc_version : Joined<"-fmsc-version=">,
442 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">;
443 def fborland_extensions : Flag<"-fborland-extensions">,
444 HelpText<"Accept non-standard constructs supported by the Borland compiler">;
445 def main_file_name : Separate<"-main-file-name">,
446 HelpText<"Main file name to use for debug info">;
447 def fno_elide_constructors : Flag<"-fno-elide-constructors">,
448 HelpText<"Disable C++ copy constructor elision">;
449 def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">,
450 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">;
451 def fno_operator_names : Flag<"-fno-operator-names">,
452 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">;
453 def fno_signed_char : Flag<"-fno-signed-char">,
454 HelpText<"Char is unsigned">;
455 def fno_spell_checking : Flag<"-fno-spell-checking">,
456 HelpText<"Disable spell-checking">;
457 def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">,
458 HelpText<"Don't use __cxa_atexit for calling destructors">;
459 def fconstant_string_class : Separate<"-fconstant-string-class">,
460 MetaVarName<"<class name>">,
461 HelpText<"Specify the class to use for constant Objective-C string objects.">;
462 def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">,
463 HelpText<"Enable creation of CodeFoundation-type constant strings">;
464 def fobjc_gc : Flag<"-fobjc-gc">,
465 HelpText<"Enable Objective-C garbage collection">;
466 def fobjc_gc_only : Flag<"-fobjc-gc-only">,
467 HelpText<"Use GC exclusively for Objective-C related memory management">;
468 def fapple_kext : Flag<"-fapple-kext">,
469 HelpText<"Use Apple's kernel extensions ABI">;
470 def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">,
471 HelpText<"Objective-C dispatch method to use">;
472 def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">,
473 HelpText<"enable the default synthesis of Objective-C properties">;
474 def print_ivar_layout : Flag<"-print-ivar-layout">,
475 HelpText<"Enable Objective-C Ivar layout bitmap print trace">;
476 def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">,
477 HelpText<"enable objective-c's nonfragile abi">;
478 def ftrapv : Flag<"-ftrapv">,
479 HelpText<"Trap on integer overflow">;
480 def ftrapv_handler : Separate<"-ftrapv-handler">,
481 MetaVarName<"<function name>">,
482 HelpText<"Specify the function to be called on overflow.">;
483 def fwrapv : Flag<"-fwrapv">,
484 HelpText<"Treat signed integer overflow as two's complement">;
485 def pic_level : Separate<"-pic-level">,
486 HelpText<"Value for __PIC__">;
487 def pthread : Flag<"-pthread">,
488 HelpText<"Support POSIX threads in generated code">;
489 def fpascal_strings : Flag<"-fpascal-strings">,
490 HelpText<"Recognize and construct Pascal-style string literals">;
491 def fno_rtti : Flag<"-fno-rtti">,
492 HelpText<"Disable generation of rtti information">;
493 def fno_validate_pch : Flag<"-fno-validate-pch">,
494 HelpText<"Disable validation of precompiled headers">;
495 def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">,
496 HelpText<"Dump declarations that are deserialized from PCH, for testing">;
497 def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">,
498 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">;
499 def fshort_wchar : Flag<"-fshort-wchar">,
500 HelpText<"Force wchar_t to be a short unsigned int">;
501 def fshort_enums : Flag<"-fshort-enums">,
502 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">;
503 def static_define : Flag<"-static-define">,
504 HelpText<"Should __STATIC__ be defined">;
505 def stack_protector : Separate<"-stack-protector">,
506 HelpText<"Enable stack protectors">;
507 def fvisibility : Separate<"-fvisibility">,
508 HelpText<"Default symbol visibility">;
509 def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">,
510 HelpText<"Give inline C++ member functions default visibility by default">;
511 def ftemplate_depth : Separate<"-ftemplate-depth">,
512 HelpText<"Maximum depth of recursive template instantiation">;
513 def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">,
514 HelpText<"Warn if a function definition returns or accepts an object larger "
515 "in bytes that a given value">;
516 def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">,
517 Alias<Wlarge_by_value_copy>;
518 def trigraphs : Flag<"-trigraphs">,
519 HelpText<"Process trigraph sequences">;
520 def fwritable_strings : Flag<"-fwritable-strings">,
521 HelpText<"Store string literals as writable data">;
522 def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">,
523 HelpText<"Ignore bit-field types when aligning structures">;
525 //===----------------------------------------------------------------------===//
526 // Header Search Options
527 //===----------------------------------------------------------------------===//
529 def nostdinc : Flag<"-nostdinc">,
530 HelpText<"Disable standard #include directories">;
531 def nostdincxx : Flag<"-nostdinc++">,
532 HelpText<"Disable standard #include directories for the C++ standard library">;
533 def nobuiltininc : Flag<"-nobuiltininc">,
534 HelpText<"Disable builtin #include directories">;
535 def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">,
536 HelpText<"Add directory to framework include search path">;
537 def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">,
538 HelpText<"Add directory to include search path">;
539 def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">,
540 HelpText<"Add directory to AFTER include search path">;
541 def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">,
542 HelpText<"Add directory to QUOTE include search path">;
543 def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">,
544 HelpText<"Add directory to SYSTEM include search path">;
545 def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">,
546 HelpText<"Add directory to SYSTEM include search path, "
547 "absolute paths are relative to -isysroot">;
548 def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">,
549 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">;
550 def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">,
551 HelpText<"Set directory to SYSTEM include search path with prefix">;
552 def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">,
553 MetaVarName<"<dir>">,
554 HelpText<"Set directory to include search path with prefix">;
555 def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">,
556 HelpText<"Set the system root directory (usually /)">;
557 def cxx_system_include : Separate<"-cxx-system-include">,
558 HelpText<"Add a system #include directory for the C++ standard library">;
559 def v : Flag<"-v">, HelpText<"Enable verbose output">;
561 //===----------------------------------------------------------------------===//
562 // Preprocessor Options
563 //===----------------------------------------------------------------------===//
565 def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">,
566 HelpText<"Predefine the specified macro">;
567 def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">,
568 HelpText<"Include file before parsing">;
569 def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">,
570 HelpText<"Include macros from file before parsing">;
571 def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">,
572 HelpText<"Include precompiled header file">;
573 def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">,
574 HelpText<"Include file before parsing">;
575 def preamble_bytes_EQ : Joined<"-preamble-bytes=">,
576 HelpText<"Assume that the precompiled header is a precompiled preamble "
577 "covering the first N bytes of the main file">;
578 def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">,
579 HelpText<"Use specified token cache file">;
580 def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">,
581 HelpText<"Undefine the specified macro">;
582 def undef : Flag<"-undef">, MetaVarName<"<macro>">,
583 HelpText<"undef all system defines">;
584 def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">,
585 HelpText<"include a detailed record of preprocessing actions">;
587 //===----------------------------------------------------------------------===//
588 // Preprocessed Output Options
589 //===----------------------------------------------------------------------===//
592 HelpText<"Disable linemarker output in -E mode">;
594 HelpText<"Enable comment output in -E mode">;
595 def CC : Flag<"-CC">,
596 HelpText<"Enable comment output in -E mode, even from macro expansions">;
597 def dM : Flag<"-dM">,
598 HelpText<"Print macro definitions in -E mode instead of normal output">;
599 def dD : Flag<"-dD">,
600 HelpText<"Print macro definitions in -E mode in addition to normal output">;
602 //===----------------------------------------------------------------------===//
604 //===----------------------------------------------------------------------===//
606 def cl_opt_disable : Flag<"-cl-opt-disable">,
607 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">;
608 def cl_single_precision_constant : Flag<"-cl-single-precision-constant">,
609 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
610 def cl_finite_math_only : Flag<"-cl-finite-math-only">,
611 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
612 def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">,
613 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">;
614 def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">,
615 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">;
616 def cl_mad_enable : Flag<"-cl-mad-enable">,
617 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">;
618 def cl_std_EQ : Joined<"-cl-std=">,
619 HelpText<"OpenCL language standard to compile for">;