CC1Options.td revision abaca7a8be8e79cc01354676e3bcb26575640311
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//===----------------------------------------------------------------------===// 13 14// Include the common option parsing interfaces. 15include "OptParser.td" 16 17//===----------------------------------------------------------------------===// 18// Target Options 19//===----------------------------------------------------------------------===// 20 21def cxx_abi : Separate<"-cxx-abi">, 22 HelpText<"Target a particular C++ ABI type">; 23def target_abi : Separate<"-target-abi">, 24 HelpText<"Target a particular ABI type">; 25def target_cpu : Separate<"-target-cpu">, 26 HelpText<"Target a specific cpu type">; 27def target_feature : Separate<"-target-feature">, 28 HelpText<"Target specific attributes">; 29def target_linker_version : Separate<"-target-linker-version">, 30 HelpText<"Target linker version">; 31def triple : Separate<"-triple">, 32 HelpText<"Specify target triple (e.g. i686-apple-darwin9)">; 33def triple_EQ : Joined<"-triple=">, Alias<triple>; 34 35//===----------------------------------------------------------------------===// 36// Analyzer Options 37//===----------------------------------------------------------------------===// 38 39def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">, 40 HelpText<"Generate unoptimized CFGs for all analyses">; 41def analysis_CFGAddImplicitDtors : Flag<"-cfg-add-implicit-dtors">, 42 HelpText<"Add C++ implicit destructors to CFGs for all analyses">; 43def analysis_CFGAddInitializers : Flag<"-cfg-add-initializers">, 44 HelpText<"Add C++ initializers to CFGs for all analyses">; 45 46def analyzer_store : Separate<"-analyzer-store">, 47 HelpText<"Source Code Analysis - Abstract Memory Store Models">; 48def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>; 49 50def analyzer_constraints : Separate<"-analyzer-constraints">, 51 HelpText<"Source Code Analysis - Symbolic Constraint Engines">; 52def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">, 53 Alias<analyzer_constraints>; 54 55def analyzer_output : Separate<"-analyzer-output">, 56 HelpText<"Source Code Analysis - Output Options">; 57def analyzer_output_EQ : Joined<"-analyzer-output=">, 58 Alias<analyzer_output>; 59 60def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 61 HelpText<"Force the static analyzer to analyze functions defined in header files">; 62def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 63 HelpText<"Analyze the definitions of blocks in addition to functions">; 64def analyzer_display_progress : Flag<"-analyzer-display-progress">, 65 HelpText<"Emit verbose output about the analyzer's progress">; 66def analyze_function : Separate<"-analyze-function">, 67 HelpText<"Run analysis on specific function">; 68def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 69def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 70 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 71def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">, 72 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">; 73def analyzer_no_eagerly_trim_egraph : Flag<"-analyzer-no-eagerly-trim-egraph">, 74 HelpText<"Don't eagerly remove uninteresting ExplodedNodes from the ExplodedGraph">; 75def trim_egraph : Flag<"-trim-egraph">, 76 HelpText<"Only show error-related paths in the analysis graph">; 77def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 78 HelpText<"Display exploded graph using GraphViz">; 79def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 80 HelpText<"Display exploded graph using Ubigraph">; 81def analyzer_inline_call : Flag<"-analyzer-inline-call">, 82 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 83def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 84 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 85def analyzer_max_loop : Separate<"-analyzer-max-loop">, 86 HelpText<"The maximum number of times the analyzer will go through a loop">; 87 88def analyzer_checker : Separate<"-analyzer-checker">, 89 HelpText<"Choose analyzer checkers to enable">; 90def analyzer_checker_EQ : Joined<"-analyzer-checker=">, 91 Alias<analyzer_checker>; 92 93def analyzer_disable_checker : Separate<"-analyzer-disable-checker">, 94 HelpText<"Choose analyzer checkers to disable">; 95def analyzer_disable_checker_EQ : Joined<"-analyzer-disable-checker=">, 96 Alias<analyzer_disable_checker>; 97 98def analyzer_checker_help : Flag<"-analyzer-checker-help">, 99 HelpText<"Display the list of analyzer checkers that are available">; 100 101//===----------------------------------------------------------------------===// 102// CodeGen Options 103//===----------------------------------------------------------------------===// 104 105def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 106 HelpText<"Don't run LLVM optimization passes">; 107def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 108 HelpText<"Don't run the LLVM IR verifier pass">; 109def disable_red_zone : Flag<"-disable-red-zone">, 110 HelpText<"Do not emit code that uses the red zone.">; 111def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 112 HelpText<"The string to embed in the Dwarf debug flags record.">; 113def fforbid_guard_variables : Flag<"-fforbid-guard-variables">, 114 HelpText<"Emit an error if a C++ static local initializer would need a guard variable">; 115def g : Flag<"-g">, HelpText<"Generate source level debug information">; 116def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 117 HelpText<"Generate runtime checks for undefined behavior.">; 118def flimit_debug_info : Flag<"-flimit-debug-info">, 119 HelpText<"Limit debug information produced to reduce size of debug binary">; 120def fno_common : Flag<"-fno-common">, 121 HelpText<"Compile common globals like normal definitions">; 122def no_implicit_float : Flag<"-no-implicit-float">, 123 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 124def finstrument_functions : Flag<"-finstrument-functions">, 125 HelpText<"Generate calls to instrument function entry and exit">; 126def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 127 HelpText<"Disallow merging of constants.">; 128def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 129 HelpText<"Do not emit code to make initialization of local statics thread safe">; 130def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 131 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 132def ffunction_sections : Flag<"-ffunction-sections">, 133 HelpText<"Place each function in its own section (ELF Only)">; 134def fdata_sections : Flag<"-fdata-sections">, 135 HelpText<"Place each data in its own section (ELF Only)">; 136def funroll_loops : Flag<"-funroll-loops">, 137 HelpText<"Turn on loop unroller">; 138def relaxed_aliasing : Flag<"-relaxed-aliasing">, 139 HelpText<"Turn off Type Based Alias Analysis">; 140def masm_verbose : Flag<"-masm-verbose">, 141 HelpText<"Generate verbose assembly output">; 142def mcode_model : Separate<"-mcode-model">, 143 HelpText<"The code model to use">; 144def mdebug_pass : Separate<"-mdebug-pass">, 145 HelpText<"Enable additional debug output">; 146def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 147 HelpText<"Disable frame pointer elimination optimization">; 148def mfloat_abi : Separate<"-mfloat-abi">, 149 HelpText<"The float ABI to use">; 150def mlimit_float_precision : Separate<"-mlimit-float-precision">, 151 HelpText<"Limit float precision to the given value">; 152def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 153 HelpText<"Do not put zero initialized data in the BSS">; 154def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 155 HelpText<"Omit frame pointer setup for leaf functions.">; 156def msoft_float : Flag<"-msoft-float">, 157 HelpText<"Use software floating point">; 158def backend_option : Separate<"-backend-option">, 159 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">; 160def mregparm : Separate<"-mregparm">, 161 HelpText<"Limit the number of registers available for integer arguments">; 162def mrelax_all : Flag<"-mrelax-all">, 163 HelpText<"Relax all machine instructions">; 164def mrtd: Flag<"-mrtd">, 165 HelpText<"Make StdCall calling convention the default">; 166def mrelocation_model : Separate<"-mrelocation-model">, 167 HelpText<"The relocation model to use">; 168def munwind_tables : Flag<"-munwind-tables">, 169 HelpText<"Generate unwinding tables for all functions">; 170def mconstructor_aliases : Flag<"-mconstructor-aliases">, 171 HelpText<"Emit complete constructors and destructors as aliases when possible">; 172def mms_bitfields : Flag<"-mms-bitfields">, 173 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 174def O : Joined<"-O">, HelpText<"Optimization level">; 175def Os : Flag<"-Os">, HelpText<"Optimize for size">; 176def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 177 178//===----------------------------------------------------------------------===// 179// Dependency Output Options 180//===----------------------------------------------------------------------===// 181 182def dependency_file : Separate<"-dependency-file">, 183 HelpText<"Filename (or -) to write dependency output to">; 184def sys_header_deps : Flag<"-sys-header-deps">, 185 HelpText<"Include system headers in dependency output">; 186def header_include_file : Separate<"-header-include-file">, 187 HelpText<"Filename (or -) to write header include output to">; 188def H : Flag<"-H">, 189 HelpText<"Show header includes and nesting depth">; 190def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 191def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 192def MP : Flag<"-MP">, 193 HelpText<"Create phony target for each dependency (other than main file)">; 194 195//===----------------------------------------------------------------------===// 196// Diagnostic Options 197//===----------------------------------------------------------------------===// 198 199def dump_build_information : Separate<"-dump-build-information">, 200 MetaVarName<"<filename>">, 201 HelpText<"output a dump of some build information to a file">; 202def fno_show_column : Flag<"-fno-show-column">, 203 HelpText<"Do not include column number on diagnostics">; 204def fno_show_source_location : Flag<"-fno-show-source-location">, 205 HelpText<"Do not include source location information with diagnostics">; 206def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 207 HelpText<"Which overload candidates to show when overload resolution fails: " 208 "best|all; defaults to all">; 209def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 210 HelpText<"Do not include source line and caret with diagnostics">; 211def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 212 HelpText<"Do not include fixit information in diagnostics">; 213def fno_diagnostics_show_note_include_stack : 214 Flag<"-fno-diagnostics-show-note-include-stack">, 215 HelpText<"Display include stacks for diagnostic notes">; 216def w : Flag<"-w">, HelpText<"Suppress all warnings">; 217def pedantic : Flag<"-pedantic">; 218def pedantic_errors : Flag<"-pedantic-errors">; 219 220// 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. 223def W : Joined<"-W">; 224 225def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 226 HelpText<"Print source range spans in numeric form">; 227def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 228 HelpText<"Print fix-its in machine parseable form">; 229def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 230 HelpText<"Print diagnostic name with mappable diagnostics">; 231def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 232 HelpText<"Print diagnostic category">; 233def fdiagnostics_show_note_include_stack : 234 Flag<"-fdiagnostics-show-note-include-stack">, 235 HelpText<"Display include stacks for diagnostic notes">; 236def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 237 HelpText<"Set the tab stop distance.">; 238def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 239 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 240def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 241 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 242def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 243 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 244def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 245 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 246def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 247 HelpText<"Use colors in diagnostics">; 248def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 249 HelpText<"Silence ObjC rewriting warnings">; 250def Wwrite_strings : Flag<"-Wwrite-strings">, 251 HelpText<"Remove const qualifier from string literals">; 252def verify : Flag<"-verify">, 253 HelpText<"Verify emitted diagnostics and warnings">; 254 255//===----------------------------------------------------------------------===// 256// Frontend Options 257//===----------------------------------------------------------------------===// 258 259// This isn't normally used, it is just here so we can parse a 260// CompilerInvocation out of a driver-derived argument vector. 261def cc1 : Flag<"-cc1">; 262 263def ast_merge : Separate<"-ast-merge">, 264 MetaVarName<"<ast file>">, 265 HelpText<"Merge the given AST file into the translation unit being compiled.">; 266def code_completion_at : Separate<"-code-completion-at">, 267 MetaVarName<"<file>:<line>:<column>">, 268 HelpText<"Dump code-completion information at a location">; 269def remap_file : Separate<"-remap-file">, 270 MetaVarName<"<from>;<to>">, 271 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 272def code_completion_at_EQ : Joined<"-code-completion-at=">, 273 Alias<code_completion_at>; 274def code_completion_macros : Flag<"-code-completion-macros">, 275 HelpText<"Include macros in code-completion results">; 276def code_completion_patterns : Flag<"-code-completion-patterns">, 277 HelpText<"Include code patterns in code-completion results">; 278def no_code_completion_globals : Flag<"-no-code-completion-globals">, 279 HelpText<"Do not include global declarations in code-completion results.">; 280def disable_free : Flag<"-disable-free">, 281 HelpText<"Disable freeing of memory on exit">; 282def help : Flag<"-help">, 283 HelpText<"Print this help text">; 284def _help : Flag<"--help">, Alias<help>; 285def x : Separate<"-x">, HelpText<"Input language type">; 286def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 287def load : Separate<"-load">, MetaVarName<"<dsopath>">, 288 HelpText<"Load the named plugin (dynamic shared object)">; 289def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 290 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 291def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 292 MetaVarName<"<name> <arg>">, 293 HelpText<"Pass <arg> to plugin <name>">; 294def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 295 HelpText<"Use the named plugin action in addition to the default action">; 296def resource_dir : Separate<"-resource-dir">, 297 HelpText<"The directory which holds the compiler resource files">; 298def version : Flag<"-version">, 299 HelpText<"Print the compiler version">; 300def _version : Flag<"--version">, Alias<version>; 301 302def Action_Group : OptionGroup<"<action group>">; 303let Group = Action_Group in { 304 305def Eonly : Flag<"-Eonly">, 306 HelpText<"Just run preprocessor, no output (for timings)">; 307def E : Flag<"-E">, 308 HelpText<"Run preprocessor, emit preprocessed file">; 309def dump_raw_tokens : Flag<"-dump-raw-tokens">, 310 HelpText<"Lex file in raw mode and dump raw tokens">; 311def analyze : Flag<"-analyze">, 312 HelpText<"Run static analysis engine">; 313def dump_tokens : Flag<"-dump-tokens">, 314 HelpText<"Run preprocessor, dump internal rep of tokens">; 315def init_only : Flag<"-init-only">, 316 HelpText<"Only execute frontend initialization">; 317def fsyntax_only : Flag<"-fsyntax-only">, 318 HelpText<"Run parser and perform semantic analysis">; 319def fixit : Flag<"-fixit">, 320 HelpText<"Apply fix-it advice to the input source">; 321def fixit_EQ : Joined<"-fixit=">, 322 HelpText<"Apply fix-it advice creating a file with the given suffix">; 323def print_preamble : Flag<"-print-preamble">, 324 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 325 " precompiled headers.">; 326def emit_html : Flag<"-emit-html">, 327 HelpText<"Output input source as HTML">; 328def ast_print : Flag<"-ast-print">, 329 HelpText<"Build ASTs and then pretty-print them">; 330def ast_dump : Flag<"-ast-dump">, 331 HelpText<"Build ASTs and then debug dump them">; 332def ast_dump_xml : Flag<"-ast-dump-xml">, 333 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 334def ast_view : Flag<"-ast-view">, 335 HelpText<"Build ASTs and view them with GraphViz">; 336def boostcon : Flag<"-boostcon">, 337 HelpText<"BoostCon workshop mode">; 338def print_decl_contexts : Flag<"-print-decl-contexts">, 339 HelpText<"Print DeclContexts and their Decls">; 340def emit_pth : Flag<"-emit-pth">, 341 HelpText<"Generate pre-tokenized header file">; 342def emit_pch : Flag<"-emit-pch">, 343 HelpText<"Generate pre-compiled header file">; 344def S : Flag<"-S">, 345 HelpText<"Emit native assembly code">; 346def emit_llvm : Flag<"-emit-llvm">, 347 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 348def emit_llvm_bc : Flag<"-emit-llvm-bc">, 349 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 350def emit_llvm_only : Flag<"-emit-llvm-only">, 351 HelpText<"Build ASTs and convert to LLVM, discarding output">; 352def emit_codegen_only : Flag<"-emit-codegen-only">, 353 HelpText<"Generate machine code, but discard output">; 354def emit_obj : Flag<"-emit-obj">, 355 HelpText<"Emit native object files">; 356def rewrite_test : Flag<"-rewrite-test">, 357 HelpText<"Rewriter playground">; 358def rewrite_objc : Flag<"-rewrite-objc">, 359 HelpText<"Rewrite ObjC into C (code rewriter example)">; 360def rewrite_macros : Flag<"-rewrite-macros">, 361 HelpText<"Expand macros without full preprocessing">; 362 363def create_module : Flag<"-create-module">, 364 HelpText<"Create a module definition file">; 365} 366 367def import_module : Separate<"-import-module">, 368 HelpText<"Import a module definition file">; 369 370def working_directory : JoinedOrSeparate<"-working-directory">, 371 HelpText<"Resolve file paths relative to the specified directory">; 372def working_directory_EQ : Joined<"-working-directory=">, 373 Alias<working_directory>; 374 375def relocatable_pch : Flag<"-relocatable-pch">, 376 HelpText<"Whether to build a relocatable precompiled header">; 377def chained_pch : Flag<"-chained-pch">, 378 HelpText<"Whether to chain the new precompiled header to the old one.">; 379def print_stats : Flag<"-print-stats">, 380 HelpText<"Print performance metrics and statistics">; 381def ftime_report : Flag<"-ftime-report">, 382 HelpText<"Print the amount of time each phase of compilation takes">; 383def fdump_record_layouts : Flag<"-fdump-record-layouts">, 384 HelpText<"Dump record layout information">; 385def fix_what_you_can : Flag<"-fix-what-you-can">, 386 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 387 388// Generic forwarding to LLVM options. This should only be used for debugging 389// and experimental features. 390def mllvm : Separate<"-mllvm">, 391 HelpText<"Additional arguments to forward to LLVM's option processing">; 392 393//===----------------------------------------------------------------------===// 394// Language Options 395//===----------------------------------------------------------------------===// 396 397def fno_builtin : Flag<"-fno-builtin">, 398 HelpText<"Disable implicit builtin knowledge of functions">; 399def faltivec : Flag<"-faltivec">, 400 HelpText<"Enable AltiVec vector initializer syntax">; 401def fno_access_control : Flag<"-fno-access-control">, 402 HelpText<"Disable C++ access control">; 403def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 404 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 405def fgnu_keywords : Flag<"-fgnu-keywords">, 406 HelpText<"Allow GNU-extension keywords regardless of language standard">; 407def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 408 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 409def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 410 HelpText<"Allow '$' in identifiers">; 411def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 412 HelpText<"Disallow '$' in identifiers">; 413def femit_all_decls : Flag<"-femit-all-decls">, 414 HelpText<"Emit all declarations, even if unused">; 415def fblocks : Flag<"-fblocks">, 416 HelpText<"enable the 'blocks' language feature">; 417def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 418def fexceptions : Flag<"-fexceptions">, 419 HelpText<"Enable support for exception handling">; 420def fobjc_exceptions : Flag<"-fobjc-exceptions">, 421 HelpText<"Enable Objective-C exceptions">; 422def fcxx_exceptions : Flag<"-fcxx-exceptions">, 423 HelpText<"Enable C++ exceptions">; 424def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 425 HelpText<"Use SjLj style exceptions">; 426def ffreestanding : Flag<"-ffreestanding">, 427 HelpText<"Assert that the compilation takes place in a freestanding environment">; 428def fgnu_runtime : Flag<"-fgnu-runtime">, 429 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 430def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 431 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 432def std_EQ : Joined<"-std=">, 433 HelpText<"Language standard to compile for">; 434def fmath_errno : Flag<"-fmath-errno">, 435 HelpText<"Require math functions to indicate errors by setting errno">; 436def fms_extensions : Flag<"-fms-extensions">, 437 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 438def fmsc_version : Joined<"-fmsc-version=">, 439 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 440def fborland_extensions : Flag<"-fborland-extensions">, 441 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 442def main_file_name : Separate<"-main-file-name">, 443 HelpText<"Main file name to use for debug info">; 444def fno_elide_constructors : Flag<"-fno-elide-constructors">, 445 HelpText<"Disable C++ copy constructor elision">; 446def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 447 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 448def fno_operator_names : Flag<"-fno-operator-names">, 449 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 450def fno_signed_char : Flag<"-fno-signed-char">, 451 HelpText<"Char is unsigned">; 452def fno_spell_checking : Flag<"-fno-spell-checking">, 453 HelpText<"Disable spell-checking">; 454def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 455 HelpText<"Don't use __cxa_atexit for calling destructors">; 456def fconstant_string_class : Separate<"-fconstant-string-class">, 457 MetaVarName<"<class name>">, 458 HelpText<"Specify the class to use for constant Objective-C string objects.">; 459def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 460 HelpText<"Enable creation of CodeFoundation-type constant strings">; 461def fobjc_gc : Flag<"-fobjc-gc">, 462 HelpText<"Enable Objective-C garbage collection">; 463def fobjc_gc_only : Flag<"-fobjc-gc-only">, 464 HelpText<"Use GC exclusively for Objective-C related memory management">; 465def fapple_kext : Flag<"-fapple-kext">, 466 HelpText<"Use Apple's kernel extensions ABI">; 467def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 468 HelpText<"Objective-C dispatch method to use">; 469def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 470 HelpText<"enable the default synthesis of Objective-C properties">; 471def print_ivar_layout : Flag<"-print-ivar-layout">, 472 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 473def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 474 HelpText<"enable objective-c's nonfragile abi">; 475def ftrapv : Flag<"-ftrapv">, 476 HelpText<"Trap on integer overflow">; 477def ftrapv_handler : Separate<"-ftrapv-handler">, 478 MetaVarName<"<function name>">, 479 HelpText<"Specify the function to be called on overflow.">; 480def fwrapv : Flag<"-fwrapv">, 481 HelpText<"Treat signed integer overflow as two's complement">; 482def pic_level : Separate<"-pic-level">, 483 HelpText<"Value for __PIC__">; 484def pthread : Flag<"-pthread">, 485 HelpText<"Support POSIX threads in generated code">; 486def fpascal_strings : Flag<"-fpascal-strings">, 487 HelpText<"Recognize and construct Pascal-style string literals">; 488def fno_rtti : Flag<"-fno-rtti">, 489 HelpText<"Disable generation of rtti information">; 490def fno_validate_pch : Flag<"-fno-validate-pch">, 491 HelpText<"Disable validation of precompiled headers">; 492def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 493 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 494def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 495 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 496def fshort_wchar : Flag<"-fshort-wchar">, 497 HelpText<"Force wchar_t to be a short unsigned int">; 498def fshort_enums : Flag<"-fshort-enums">, 499 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 500def static_define : Flag<"-static-define">, 501 HelpText<"Should __STATIC__ be defined">; 502def stack_protector : Separate<"-stack-protector">, 503 HelpText<"Enable stack protectors">; 504def fvisibility : Separate<"-fvisibility">, 505 HelpText<"Default symbol visibility">; 506def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 507 HelpText<"Give inline C++ member functions default visibility by default">; 508def ftemplate_depth : Separate<"-ftemplate-depth">, 509 HelpText<"Maximum depth of recursive template instantiation">; 510def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 511 HelpText<"Warn if a function definition returns or accepts an object larger " 512 "in bytes that a given value">; 513def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 514 Alias<Wlarge_by_value_copy>; 515def trigraphs : Flag<"-trigraphs">, 516 HelpText<"Process trigraph sequences">; 517def fwritable_strings : Flag<"-fwritable-strings">, 518 HelpText<"Store string literals as writable data">; 519def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 520 HelpText<"Ignore bit-field types when aligning structures">; 521def traditional_cpp : Flag<"-traditional-cpp">, 522 HelpText<"Enable some traditional CPP emulation">; 523def ffake_address_space_map : Flag<"-ffake-address-space-map">, 524 HelpText<"Use a fake address space map; OpenCL testing purposes only">; 525 526//===----------------------------------------------------------------------===// 527// Header Search Options 528//===----------------------------------------------------------------------===// 529 530def nostdinc : Flag<"-nostdinc">, 531 HelpText<"Disable standard #include directories">; 532def nostdincxx : Flag<"-nostdinc++">, 533 HelpText<"Disable standard #include directories for the C++ standard library">; 534def nobuiltininc : Flag<"-nobuiltininc">, 535 HelpText<"Disable builtin #include directories">; 536def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 537 HelpText<"Add directory to framework include search path">; 538def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 539 HelpText<"Add directory to include search path">; 540def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 541 HelpText<"Add directory to AFTER include search path">; 542def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 543 HelpText<"Add directory to QUOTE include search path">; 544def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 545 HelpText<"Add directory to the C++ SYSTEM include search path">; 546def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 547 HelpText<"Add directory to SYSTEM include search path">; 548def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 549 HelpText<"Add directory to SYSTEM include search path, " 550 "absolute paths are relative to -isysroot">; 551def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 552 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 553def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 554 HelpText<"Set directory to SYSTEM include search path with prefix">; 555def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 556 MetaVarName<"<dir>">, 557 HelpText<"Set directory to include search path with prefix">; 558def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 559 HelpText<"Set the system root directory (usually /)">; 560def v : Flag<"-v">, HelpText<"Enable verbose output">; 561 562//===----------------------------------------------------------------------===// 563// Preprocessor Options 564//===----------------------------------------------------------------------===// 565 566def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 567 HelpText<"Predefine the specified macro">; 568def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 569 HelpText<"Include file before parsing">; 570def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 571 HelpText<"Include macros from file before parsing">; 572def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 573 HelpText<"Include precompiled header file">; 574def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 575 HelpText<"Include file before parsing">; 576def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 577 HelpText<"Include and chain a header file after turning it into PCH">; 578def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 579 HelpText<"Assume that the precompiled header is a precompiled preamble " 580 "covering the first N bytes of the main file">; 581def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 582 HelpText<"Use specified token cache file">; 583def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 584 HelpText<"Undefine the specified macro">; 585def undef : Flag<"-undef">, MetaVarName<"<macro>">, 586 HelpText<"undef all system defines">; 587def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 588 HelpText<"include a detailed record of preprocessing actions">; 589 590//===----------------------------------------------------------------------===// 591// Preprocessed Output Options 592//===----------------------------------------------------------------------===// 593 594def P : Flag<"-P">, 595 HelpText<"Disable linemarker output in -E mode">; 596def C : Flag<"-C">, 597 HelpText<"Enable comment output in -E mode">; 598def CC : Flag<"-CC">, 599 HelpText<"Enable comment output in -E mode, even from macro expansions">; 600def dM : Flag<"-dM">, 601 HelpText<"Print macro definitions in -E mode instead of normal output">; 602def dD : Flag<"-dD">, 603 HelpText<"Print macro definitions in -E mode in addition to normal output">; 604 605//===----------------------------------------------------------------------===// 606// OpenCL Options 607//===----------------------------------------------------------------------===// 608 609def cl_opt_disable : Flag<"-cl-opt-disable">, 610 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 611def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 612 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 613def cl_finite_math_only : Flag<"-cl-finite-math-only">, 614 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 615def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 616 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 617def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 618 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 619def cl_mad_enable : Flag<"-cl-mad-enable">, 620 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 621def cl_std_EQ : Joined<"-cl-std=">, 622 HelpText<"OpenCL language standard to compile for">; 623