CC1Options.td revision b0f4b9a558933b307073f7cd7753602f94354ae9
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 g : Flag<"-g">, HelpText<"Generate source level debug information">; 114def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 115 HelpText<"Generate runtime checks for undefined behavior.">; 116def flimit_debug_info : Flag<"-flimit-debug-info">, 117 HelpText<"Limit debug information produced to reduce size of debug binary">; 118def fno_common : Flag<"-fno-common">, 119 HelpText<"Compile common globals like normal definitions">; 120def no_implicit_float : Flag<"-no-implicit-float">, 121 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 122def finstrument_functions : Flag<"-finstrument-functions">, 123 HelpText<"Generate calls to instrument function entry and exit">; 124def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 125 HelpText<"Disallow merging of constants.">; 126def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 127 HelpText<"Do not emit code to make initialization of local statics thread safe">; 128def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 129 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 130def ffunction_sections : Flag<"-ffunction-sections">, 131 HelpText<"Place each function in its own section (ELF Only)">; 132def fdata_sections : Flag<"-fdata-sections">, 133 HelpText<"Place each data in its own section (ELF Only)">; 134def funroll_loops : Flag<"-funroll-loops">, 135 HelpText<"Turn on loop unroller">; 136def relaxed_aliasing : Flag<"-relaxed-aliasing">, 137 HelpText<"Turn off Type Based Alias Analysis">; 138def masm_verbose : Flag<"-masm-verbose">, 139 HelpText<"Generate verbose assembly output">; 140def mcode_model : Separate<"-mcode-model">, 141 HelpText<"The code model to use">; 142def mdebug_pass : Separate<"-mdebug-pass">, 143 HelpText<"Enable additional debug output">; 144def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 145 HelpText<"Disable frame pointer elimination optimization">; 146def mfloat_abi : Separate<"-mfloat-abi">, 147 HelpText<"The float ABI to use">; 148def mlimit_float_precision : Separate<"-mlimit-float-precision">, 149 HelpText<"Limit float precision to the given value">; 150def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 151 HelpText<"Do not put zero initialized data in the BSS">; 152def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 153 HelpText<"Omit frame pointer setup for leaf functions.">; 154def msoft_float : Flag<"-msoft-float">, 155 HelpText<"Use software floating point">; 156def mregparm : Separate<"-mregparm">, 157 HelpText<"Limit the number of registers available for integer arguments">; 158def mrelax_all : Flag<"-mrelax-all">, 159 HelpText<"Relax all machine instructions">; 160def mrtd: Flag<"-mrtd">, 161 HelpText<"Make StdCall calling convention the default">; 162def mrelocation_model : Separate<"-mrelocation-model">, 163 HelpText<"The relocation model to use">; 164def munwind_tables : Flag<"-munwind-tables">, 165 HelpText<"Generate unwinding tables for all functions">; 166def mconstructor_aliases : Flag<"-mconstructor-aliases">, 167 HelpText<"Emit complete constructors and destructors as aliases when possible">; 168def mms_bitfields : Flag<"-mms-bitfields">, 169 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 170def O : Joined<"-O">, HelpText<"Optimization level">; 171def Os : Flag<"-Os">, HelpText<"Optimize for size">; 172def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 173 174//===----------------------------------------------------------------------===// 175// Dependency Output Options 176//===----------------------------------------------------------------------===// 177 178def dependency_file : Separate<"-dependency-file">, 179 HelpText<"Filename (or -) to write dependency output to">; 180def sys_header_deps : Flag<"-sys-header-deps">, 181 HelpText<"Include system headers in dependency output">; 182def header_include_file : Separate<"-header-include-file">, 183 HelpText<"Filename (or -) to write header include output to">; 184def H : Flag<"-H">, 185 HelpText<"Show header includes and nesting depth">; 186def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 187def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 188def MP : Flag<"-MP">, 189 HelpText<"Create phony target for each dependency (other than main file)">; 190 191//===----------------------------------------------------------------------===// 192// Diagnostic Options 193//===----------------------------------------------------------------------===// 194 195def dump_build_information : Separate<"-dump-build-information">, 196 MetaVarName<"<filename>">, 197 HelpText<"output a dump of some build information to a file">; 198def fno_show_column : Flag<"-fno-show-column">, 199 HelpText<"Do not include column number on diagnostics">; 200def fno_show_source_location : Flag<"-fno-show-source-location">, 201 HelpText<"Do not include source location information with diagnostics">; 202def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 203 HelpText<"Which overload candidates to show when overload resolution fails: " 204 "best|all; defaults to all">; 205def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 206 HelpText<"Do not include source line and caret with diagnostics">; 207def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 208 HelpText<"Do not include fixit information in diagnostics">; 209def w : Flag<"-w">, HelpText<"Suppress all warnings">; 210def pedantic : Flag<"-pedantic">; 211def pedantic_errors : Flag<"-pedantic-errors">; 212 213// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 214// driver has stripped off -Wa,foo etc. The driver has also translated -W to 215// -Wextra, so we don't need to worry about it. 216def W : Joined<"-W">; 217 218def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 219 HelpText<"Print source range spans in numeric form">; 220def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 221 HelpText<"Print fix-its in machine parseable form">; 222def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 223 HelpText<"Print diagnostic name with mappable diagnostics">; 224def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 225 HelpText<"Print diagnostic category">; 226 227def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 228 HelpText<"Set the tab stop distance.">; 229def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 230 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 231def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 232 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 233def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 234 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 235def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 236 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 237def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 238 HelpText<"Use colors in diagnostics">; 239def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 240 HelpText<"Silence ObjC rewriting warnings">; 241def Wwrite_strings : Flag<"-Wwrite-strings">, 242 HelpText<"Remove const qualifier from string literals">; 243def verify : Flag<"-verify">, 244 HelpText<"Verify emitted diagnostics and warnings">; 245 246//===----------------------------------------------------------------------===// 247// Frontend Options 248//===----------------------------------------------------------------------===// 249 250// This isn't normally used, it is just here so we can parse a 251// CompilerInvocation out of a driver-derived argument vector. 252def cc1 : Flag<"-cc1">; 253 254def ast_merge : Separate<"-ast-merge">, 255 MetaVarName<"<ast file>">, 256 HelpText<"Merge the given AST file into the translation unit being compiled.">; 257def code_completion_at : Separate<"-code-completion-at">, 258 MetaVarName<"<file>:<line>:<column>">, 259 HelpText<"Dump code-completion information at a location">; 260def remap_file : Separate<"-remap-file">, 261 MetaVarName<"<from>;<to>">, 262 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 263def code_completion_at_EQ : Joined<"-code-completion-at=">, 264 Alias<code_completion_at>; 265def code_completion_macros : Flag<"-code-completion-macros">, 266 HelpText<"Include macros in code-completion results">; 267def code_completion_patterns : Flag<"-code-completion-patterns">, 268 HelpText<"Include code patterns in code-completion results">; 269def no_code_completion_globals : Flag<"-no-code-completion-globals">, 270 HelpText<"Do not include global declarations in code-completion results.">; 271def disable_free : Flag<"-disable-free">, 272 HelpText<"Disable freeing of memory on exit">; 273def help : Flag<"-help">, 274 HelpText<"Print this help text">; 275def _help : Flag<"--help">, Alias<help>; 276def x : Separate<"-x">, HelpText<"Input language type">; 277def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 278def load : Separate<"-load">, MetaVarName<"<dsopath>">, 279 HelpText<"Load the named plugin (dynamic shared object)">; 280def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 281 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 282def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 283 MetaVarName<"<name> <arg>">, 284 HelpText<"Pass <arg> to plugin <name>">; 285def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 286 HelpText<"Use the named plugin action in addition to the default action">; 287def resource_dir : Separate<"-resource-dir">, 288 HelpText<"The directory which holds the compiler resource files">; 289def version : Flag<"-version">, 290 HelpText<"Print the compiler version">; 291def _version : Flag<"--version">, Alias<version>; 292 293def Action_Group : OptionGroup<"<action group>">; 294let Group = Action_Group in { 295 296def Eonly : Flag<"-Eonly">, 297 HelpText<"Just run preprocessor, no output (for timings)">; 298def E : Flag<"-E">, 299 HelpText<"Run preprocessor, emit preprocessed file">; 300def dump_raw_tokens : Flag<"-dump-raw-tokens">, 301 HelpText<"Lex file in raw mode and dump raw tokens">; 302def analyze : Flag<"-analyze">, 303 HelpText<"Run static analysis engine">; 304def dump_tokens : Flag<"-dump-tokens">, 305 HelpText<"Run preprocessor, dump internal rep of tokens">; 306def init_only : Flag<"-init-only">, 307 HelpText<"Only execute frontend initialization">; 308def fsyntax_only : Flag<"-fsyntax-only">, 309 HelpText<"Run parser and perform semantic analysis">; 310def fixit : Flag<"-fixit">, 311 HelpText<"Apply fix-it advice to the input source">; 312def fixit_EQ : Joined<"-fixit=">, 313 HelpText<"Apply fix-it advice creating a file with the given suffix">; 314def print_preamble : Flag<"-print-preamble">, 315 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 316 " precompiled headers.">; 317def emit_html : Flag<"-emit-html">, 318 HelpText<"Output input source as HTML">; 319def ast_print : Flag<"-ast-print">, 320 HelpText<"Build ASTs and then pretty-print them">; 321def ast_dump : Flag<"-ast-dump">, 322 HelpText<"Build ASTs and then debug dump them">; 323def ast_dump_xml : Flag<"-ast-dump-xml">, 324 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 325def ast_view : Flag<"-ast-view">, 326 HelpText<"Build ASTs and view them with GraphViz">; 327def boostcon : Flag<"-boostcon">, 328 HelpText<"BoostCon workshop mode">; 329def print_decl_contexts : Flag<"-print-decl-contexts">, 330 HelpText<"Print DeclContexts and their Decls">; 331def emit_pth : Flag<"-emit-pth">, 332 HelpText<"Generate pre-tokenized header file">; 333def emit_pch : Flag<"-emit-pch">, 334 HelpText<"Generate pre-compiled header file">; 335def S : Flag<"-S">, 336 HelpText<"Emit native assembly code">; 337def emit_llvm : Flag<"-emit-llvm">, 338 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 339def emit_llvm_bc : Flag<"-emit-llvm-bc">, 340 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 341def emit_llvm_only : Flag<"-emit-llvm-only">, 342 HelpText<"Build ASTs and convert to LLVM, discarding output">; 343def emit_codegen_only : Flag<"-emit-codegen-only">, 344 HelpText<"Generate machine code, but discard output">; 345def emit_obj : Flag<"-emit-obj">, 346 HelpText<"Emit native object files">; 347def rewrite_test : Flag<"-rewrite-test">, 348 HelpText<"Rewriter playground">; 349def rewrite_objc : Flag<"-rewrite-objc">, 350 HelpText<"Rewrite ObjC into C (code rewriter example)">; 351def rewrite_macros : Flag<"-rewrite-macros">, 352 HelpText<"Expand macros without full preprocessing">; 353 354def create_module : Flag<"-create-module">, 355 HelpText<"Create a module definition file">; 356} 357 358def import_module : Separate<"-import-module">, 359 HelpText<"Import a module definition file">; 360 361def working_directory : JoinedOrSeparate<"-working-directory">, 362 HelpText<"Resolve file paths relative to the specified directory">; 363def working_directory_EQ : Joined<"-working-directory=">, 364 Alias<working_directory>; 365 366def relocatable_pch : Flag<"-relocatable-pch">, 367 HelpText<"Whether to build a relocatable precompiled header">; 368def chained_pch : Flag<"-chained-pch">, 369 HelpText<"Whether to chain the new precompiled header to the old one.">; 370def print_stats : Flag<"-print-stats">, 371 HelpText<"Print performance metrics and statistics">; 372def ftime_report : Flag<"-ftime-report">, 373 HelpText<"Print the amount of time each phase of compilation takes">; 374def fdump_record_layouts : Flag<"-fdump-record-layouts">, 375 HelpText<"Dump record layout information">; 376def fix_what_you_can : Flag<"-fix-what-you-can">, 377 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 378 379// Generic forwarding to LLVM options. This should only be used for debugging 380// and experimental features. 381def mllvm : Separate<"-mllvm">, 382 HelpText<"Additional arguments to forward to LLVM's option processing">; 383 384//===----------------------------------------------------------------------===// 385// Language Options 386//===----------------------------------------------------------------------===// 387 388def fno_builtin : Flag<"-fno-builtin">, 389 HelpText<"Disable implicit builtin knowledge of functions">; 390def faltivec : Flag<"-faltivec">, 391 HelpText<"Enable AltiVec vector initializer syntax">; 392def fno_access_control : Flag<"-fno-access-control">, 393 HelpText<"Disable C++ access control">; 394def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 395 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 396def fgnu_keywords : Flag<"-fgnu-keywords">, 397 HelpText<"Allow GNU-extension keywords regardless of language standard">; 398def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 399 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 400def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 401 HelpText<"Allow '$' in identifiers">; 402def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 403 HelpText<"Disallow '$' in identifiers">; 404def femit_all_decls : Flag<"-femit-all-decls">, 405 HelpText<"Emit all declarations, even if unused">; 406def fblocks : Flag<"-fblocks">, 407 HelpText<"enable the 'blocks' language feature">; 408def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 409def fexceptions : Flag<"-fexceptions">, 410 HelpText<"Enable support for exception handling">; 411def fobjc_exceptions : Flag<"-fobjc-exceptions">, 412 HelpText<"Enable Objective-C exceptions">; 413def fcxx_exceptions : Flag<"-fcxx-exceptions">, 414 HelpText<"Enable C++ exceptions">; 415def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 416 HelpText<"Use SjLj style exceptions">; 417def ffreestanding : Flag<"-ffreestanding">, 418 HelpText<"Assert that the compilation takes place in a freestanding environment">; 419def fgnu_runtime : Flag<"-fgnu-runtime">, 420 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 421def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 422 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 423def std_EQ : Joined<"-std=">, 424 HelpText<"Language standard to compile for">; 425def fmath_errno : Flag<"-fmath-errno">, 426 HelpText<"Require math functions to indicate errors by setting errno">; 427def fms_extensions : Flag<"-fms-extensions">, 428 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 429def fmsc_version : Joined<"-fmsc-version=">, 430 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 431def fborland_extensions : Flag<"-fborland-extensions">, 432 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 433def main_file_name : Separate<"-main-file-name">, 434 HelpText<"Main file name to use for debug info">; 435def fno_elide_constructors : Flag<"-fno-elide-constructors">, 436 HelpText<"Disable C++ copy constructor elision">; 437def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 438 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 439def fno_operator_names : Flag<"-fno-operator-names">, 440 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 441def fno_signed_char : Flag<"-fno-signed-char">, 442 HelpText<"Char is unsigned">; 443def fno_spell_checking : Flag<"-fno-spell-checking">, 444 HelpText<"Disable spell-checking">; 445def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 446 HelpText<"Don't use __cxa_atexit for calling destructors">; 447def fconstant_string_class : Separate<"-fconstant-string-class">, 448 MetaVarName<"<class name>">, 449 HelpText<"Specify the class to use for constant Objective-C string objects.">; 450def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 451 HelpText<"Enable creation of CodeFoundation-type constant strings">; 452def fobjc_gc : Flag<"-fobjc-gc">, 453 HelpText<"Enable Objective-C garbage collection">; 454def fobjc_gc_only : Flag<"-fobjc-gc-only">, 455 HelpText<"Use GC exclusively for Objective-C related memory management">; 456def fapple_kext : Flag<"-fapple-kext">, 457 HelpText<"Use Apple's kernel extensions ABI">; 458def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 459 HelpText<"Objective-C dispatch method to use">; 460def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 461 HelpText<"enable the default synthesis of Objective-C properties">; 462def print_ivar_layout : Flag<"-print-ivar-layout">, 463 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 464def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 465 HelpText<"enable objective-c's nonfragile abi">; 466def ftrapv : Flag<"-ftrapv">, 467 HelpText<"Trap on integer overflow">; 468def ftrapv_handler : Separate<"-ftrapv-handler">, 469 MetaVarName<"<function name>">, 470 HelpText<"Specify the function to be called on overflow.">; 471def fwrapv : Flag<"-fwrapv">, 472 HelpText<"Treat signed integer overflow as two's complement">; 473def pic_level : Separate<"-pic-level">, 474 HelpText<"Value for __PIC__">; 475def pthread : Flag<"-pthread">, 476 HelpText<"Support POSIX threads in generated code">; 477def fpascal_strings : Flag<"-fpascal-strings">, 478 HelpText<"Recognize and construct Pascal-style string literals">; 479def fno_rtti : Flag<"-fno-rtti">, 480 HelpText<"Disable generation of rtti information">; 481def fno_validate_pch : Flag<"-fno-validate-pch">, 482 HelpText<"Disable validation of precompiled headers">; 483def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 484 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 485def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 486 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 487def fshort_wchar : Flag<"-fshort-wchar">, 488 HelpText<"Force wchar_t to be a short unsigned int">; 489def fshort_enums : Flag<"-fshort-enums">, 490 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 491def static_define : Flag<"-static-define">, 492 HelpText<"Should __STATIC__ be defined">; 493def stack_protector : Separate<"-stack-protector">, 494 HelpText<"Enable stack protectors">; 495def fvisibility : Separate<"-fvisibility">, 496 HelpText<"Default symbol visibility">; 497def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 498 HelpText<"Give inline C++ member functions default visibility by default">; 499def ftemplate_depth : Separate<"-ftemplate-depth">, 500 HelpText<"Maximum depth of recursive template instantiation">; 501def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 502 HelpText<"Warn if a function definition returns or accepts an object larger " 503 "in bytes that a given value">; 504def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 505 Alias<Wlarge_by_value_copy>; 506def trigraphs : Flag<"-trigraphs">, 507 HelpText<"Process trigraph sequences">; 508def fwritable_strings : Flag<"-fwritable-strings">, 509 HelpText<"Store string literals as writable data">; 510def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 511 HelpText<"Ignore bit-field types when aligning structures">; 512 513//===----------------------------------------------------------------------===// 514// Header Search Options 515//===----------------------------------------------------------------------===// 516 517def nostdinc : Flag<"-nostdinc">, 518 HelpText<"Disable standard #include directories">; 519def nostdincxx : Flag<"-nostdinc++">, 520 HelpText<"Disable standard #include directories for the C++ standard library">; 521def nobuiltininc : Flag<"-nobuiltininc">, 522 HelpText<"Disable builtin #include directories">; 523def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 524 HelpText<"Add directory to framework include search path">; 525def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 526 HelpText<"Add directory to include search path">; 527def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 528 HelpText<"Add directory to AFTER include search path">; 529def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 530 HelpText<"Add directory to QUOTE include search path">; 531def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 532 HelpText<"Add directory to the C++ SYSTEM include search path">; 533def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 534 HelpText<"Add directory to SYSTEM include search path">; 535def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 536 HelpText<"Add directory to SYSTEM include search path, " 537 "absolute paths are relative to -isysroot">; 538def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 539 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 540def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 541 HelpText<"Set directory to SYSTEM include search path with prefix">; 542def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 543 MetaVarName<"<dir>">, 544 HelpText<"Set directory to include search path with prefix">; 545def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 546 HelpText<"Set the system root directory (usually /)">; 547def v : Flag<"-v">, HelpText<"Enable verbose output">; 548 549//===----------------------------------------------------------------------===// 550// Preprocessor Options 551//===----------------------------------------------------------------------===// 552 553def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 554 HelpText<"Predefine the specified macro">; 555def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 556 HelpText<"Include file before parsing">; 557def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 558 HelpText<"Include macros from file before parsing">; 559def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 560 HelpText<"Include precompiled header file">; 561def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 562 HelpText<"Include file before parsing">; 563def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 564 HelpText<"Include and chain a header file after turning it into PCH">; 565def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 566 HelpText<"Assume that the precompiled header is a precompiled preamble " 567 "covering the first N bytes of the main file">; 568def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 569 HelpText<"Use specified token cache file">; 570def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 571 HelpText<"Undefine the specified macro">; 572def undef : Flag<"-undef">, MetaVarName<"<macro>">, 573 HelpText<"undef all system defines">; 574def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 575 HelpText<"include a detailed record of preprocessing actions">; 576 577//===----------------------------------------------------------------------===// 578// Preprocessed Output Options 579//===----------------------------------------------------------------------===// 580 581def P : Flag<"-P">, 582 HelpText<"Disable linemarker output in -E mode">; 583def C : Flag<"-C">, 584 HelpText<"Enable comment output in -E mode">; 585def CC : Flag<"-CC">, 586 HelpText<"Enable comment output in -E mode, even from macro expansions">; 587def dM : Flag<"-dM">, 588 HelpText<"Print macro definitions in -E mode instead of normal output">; 589def dD : Flag<"-dD">, 590 HelpText<"Print macro definitions in -E mode in addition to normal output">; 591 592//===----------------------------------------------------------------------===// 593// OpenCL Options 594//===----------------------------------------------------------------------===// 595 596def cl_opt_disable : Flag<"-cl-opt-disable">, 597 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 598def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 599 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 600def cl_finite_math_only : Flag<"-cl-finite-math-only">, 601 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 602def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 603 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 604def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 605 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 606def cl_mad_enable : Flag<"-cl-mad-enable">, 607 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 608def cl_std_EQ : Joined<"-cl-std=">, 609 HelpText<"OpenCL language standard to compile for">; 610