CC1Options.td revision be570121a6da523020c3b11eb15aba97becb5d2f
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_CFGDump : Flag<"-cfg-dump">, 40 HelpText<"Display Control-Flow Graphs">; 41def analysis_CFGView : Flag<"-cfg-view">, 42 HelpText<"View Control-Flow Graphs using GraphViz">; 43def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">, 44 HelpText<"Generate unoptimized CFGs for all analyses">; 45def analysis_CFGAddImplicitDtors : Flag<"-cfg-add-implicit-dtors">, 46 HelpText<"Add C++ implicit destructors to CFGs for all analyses">; 47def analysis_CFGAddInitializers : Flag<"-cfg-add-initializers">, 48 HelpText<"Add C++ initializers to CFGs for all analyses">; 49def analysis_DisplayLiveVariables : Flag<"-dump-live-variables">, 50 HelpText<"Print results of live variable analysis">; 51def analysis_LLVMConventionChecker : Flag<"-analyzer-check-llvm-conventions">, 52 HelpText<"Check code for LLVM codebase conventions (domain-specific)">; 53def analysis_SecuritySyntacticChecks : Flag<"-analyzer-check-security-syntactic">, 54 HelpText<"Perform quick security checks that require no data flow">; 55def analysis_WarnDeadStores : Flag<"-analyzer-check-dead-stores">, 56 HelpText<"Warn about stores to dead variables">; 57def analysis_WarnUninitVals : Flag<"-warn-uninit-values">, 58 HelpText<"Warn about uses of uninitialized variables">; 59def analysis_WarnObjCMethSigs : Flag<"-analyzer-check-objc-methodsigs">, 60 HelpText<"Warn about Objective-C method signatures with type incompatibilities">; 61def analysis_WarnObjCDealloc : Flag<"-analyzer-check-objc-missing-dealloc">, 62 HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">; 63def analysis_WarnObjCUnusedIvars : Flag<"-analyzer-check-objc-unused-ivars">, 64 HelpText<"Warn about private ivars that are never used">; 65def analysis_ObjCMemChecker : Flag<"-analyzer-check-objc-mem">, 66 HelpText<"Run the [Core] Foundation reference count checker">; 67def analysis_WarnSizeofPointer : Flag<"-warn-sizeof-pointer">, 68 HelpText<"Warn about unintended use of sizeof() on pointer expressions">; 69def analysis_WarnIdempotentOps : Flag<"-analyzer-check-idempotent-operations">, 70 HelpText<"Warn about idempotent operations">; 71def analysis_AnalyzerStats : Flag<"-analyzer-stats">, 72 HelpText<"Emit warnings with analyzer statistics">; 73 74def analyzer_store : Separate<"-analyzer-store">, 75 HelpText<"Source Code Analysis - Abstract Memory Store Models">; 76def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>; 77 78def analyzer_constraints : Separate<"-analyzer-constraints">, 79 HelpText<"Source Code Analysis - Symbolic Constraint Engines">; 80def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">, 81 Alias<analyzer_constraints>; 82 83def analyzer_output : Separate<"-analyzer-output">, 84 HelpText<"Source Code Analysis - Output Options">; 85def analyzer_output_EQ : Joined<"-analyzer-output=">, 86 Alias<analyzer_output>; 87 88def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 89 HelpText<"Force the static analyzer to analyze functions defined in header files">; 90def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 91 HelpText<"Analyze the definitions of blocks in addition to functions">; 92def analyzer_display_progress : Flag<"-analyzer-display-progress">, 93 HelpText<"Emit verbose output about the analyzer's progress">; 94def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">, 95 HelpText<"Use experimental path-sensitive checks">; 96def analyzer_experimental_internal_checks : 97 Flag<"-analyzer-experimental-internal-checks">, 98 HelpText<"Use new default path-sensitive checks currently in testing">; 99def analyze_function : Separate<"-analyze-function">, 100 HelpText<"Run analysis on specific function">; 101def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 102def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 103 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 104def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">, 105 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">; 106def trim_egraph : Flag<"-trim-egraph">, 107 HelpText<"Only show error-related paths in the analysis graph">; 108def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 109 HelpText<"Display exploded graph using GraphViz">; 110def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 111 HelpText<"Display exploded graph using Ubigraph">; 112def analyzer_inline_call : Flag<"-analyzer-inline-call">, 113 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 114def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 115 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 116def analyzer_max_loop : Separate<"-analyzer-max-loop">, 117 HelpText<"The maximum number of times the analyzer will go through a loop">; 118 119//===----------------------------------------------------------------------===// 120// CodeGen Options 121//===----------------------------------------------------------------------===// 122 123def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 124 HelpText<"Don't run LLVM optimization passes">; 125def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 126 HelpText<"Don't run the LLVM IR verifier pass">; 127def disable_red_zone : Flag<"-disable-red-zone">, 128 HelpText<"Do not emit code that uses the red zone.">; 129def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 130 HelpText<"The string to embed in the Dwarf debug flags record.">; 131def g : Flag<"-g">, HelpText<"Generate source level debug information">; 132def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 133 HelpText<"Generate runtime checks for undefined behavior.">; 134def flimit_debug_info : Flag<"-flimit-debug-info">, 135 HelpText<"Limit debug information produced to reduce size of debug binary">; 136def fno_common : Flag<"-fno-common">, 137 HelpText<"Compile common globals like normal definitions">; 138def no_implicit_float : Flag<"-no-implicit-float">, 139 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 140def finstrument_functions : Flag<"-finstrument-functions">, 141 HelpText<"Generate calls to instrument function entry and exit">; 142def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 143 HelpText<"Disallow merging of constants.">; 144def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 145 HelpText<"Do not emit code to make initialization of local statics thread safe">; 146def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 147 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 148def ffunction_sections : Flag<"-ffunction-sections">, 149 HelpText<"Place each function in its own section (ELF Only)">; 150def fdata_sections : Flag<"-fdata-sections">, 151 HelpText<"Place each data in its own section (ELF Only)">; 152def funroll_loops : Flag<"-funroll-loops">, 153 HelpText<"Turn on loop unroller">; 154def relaxed_aliasing : Flag<"-relaxed-aliasing">, 155 HelpText<"Turn off Type Based Alias Analysis">; 156def masm_verbose : Flag<"-masm-verbose">, 157 HelpText<"Generate verbose assembly output">; 158def mcode_model : Separate<"-mcode-model">, 159 HelpText<"The code model to use">; 160def mdebug_pass : Separate<"-mdebug-pass">, 161 HelpText<"Enable additional debug output">; 162def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 163 HelpText<"Disable frame pointer elimination optimization">; 164def mfloat_abi : Separate<"-mfloat-abi">, 165 HelpText<"The float ABI to use">; 166def mlimit_float_precision : Separate<"-mlimit-float-precision">, 167 HelpText<"Limit float precision to the given value">; 168def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 169 HelpText<"Do not put zero initialized data in the BSS">; 170def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 171 HelpText<"Omit frame pointer setup for leaf functions.">; 172def msoft_float : Flag<"-msoft-float">, 173 HelpText<"Use software floating point">; 174def mrelax_all : Flag<"-mrelax-all">, 175 HelpText<"Relax all machine instructions">; 176def mrelocation_model : Separate<"-mrelocation-model">, 177 HelpText<"The relocation model to use">; 178def munwind_tables : Flag<"-munwind-tables">, 179 HelpText<"Generate unwinding tables for all functions">; 180def mconstructor_aliases : Flag<"-mconstructor-aliases">, 181 HelpText<"Emit complete constructors and destructors as aliases when possible">; 182def O : Joined<"-O">, HelpText<"Optimization level">; 183def Os : Flag<"-Os">, HelpText<"Optimize for size">; 184 185//===----------------------------------------------------------------------===// 186// Dependency Output Options 187//===----------------------------------------------------------------------===// 188 189def dependency_file : Separate<"-dependency-file">, 190 HelpText<"Filename (or -) to write dependency output to">; 191def sys_header_deps : Flag<"-sys-header-deps">, 192 HelpText<"Include system headers in dependency output">; 193def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 194def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 195def MP : Flag<"-MP">, 196 HelpText<"Create phony target for each dependency (other than main file)">; 197 198//===----------------------------------------------------------------------===// 199// Diagnostic Options 200//===----------------------------------------------------------------------===// 201 202def dump_build_information : Separate<"-dump-build-information">, 203 MetaVarName<"<filename>">, 204 HelpText<"output a dump of some build information to a file">; 205def fno_show_column : Flag<"-fno-show-column">, 206 HelpText<"Do not include column number on diagnostics">; 207def fno_show_source_location : Flag<"-fno-show-source-location">, 208 HelpText<"Do not include source location information with diagnostics">; 209def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 210 HelpText<"Which overload candidates to show when overload resolution fails: " 211 "best|all; defaults to all">; 212def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 213 HelpText<"Do not include source line and caret with diagnostics">; 214def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 215 HelpText<"Do not include fixit information in diagnostics">; 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">; 233 234def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 235 HelpText<"Set the tab stop distance.">; 236def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 237 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 238def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 239 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 240def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 241 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 242def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 243 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 244def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 245 HelpText<"Use colors in diagnostics">; 246def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 247 HelpText<"Silence ObjC rewriting warnings">; 248def Wwrite_strings : Flag<"-Wwrite-strings">, 249 HelpText<"Remove const qualifier from string literals">; 250def verify : Flag<"-verify">, 251 HelpText<"Verify emitted diagnostics and warnings">; 252 253//===----------------------------------------------------------------------===// 254// Frontend Options 255//===----------------------------------------------------------------------===// 256 257// This isn't normally used, it is just here so we can parse a 258// CompilerInvocation out of a driver-derived argument vector. 259def cc1 : Flag<"-cc1">; 260 261def ast_merge : Separate<"-ast-merge">, 262 MetaVarName<"<ast file>">, 263 HelpText<"Merge the given AST file into the translation unit being compiled.">; 264def code_completion_at : Separate<"-code-completion-at">, 265 MetaVarName<"<file>:<line>:<column>">, 266 HelpText<"Dump code-completion information at a location">; 267def remap_file : Separate<"-remap-file">, 268 MetaVarName<"<from>;<to>">, 269 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 270def code_completion_at_EQ : Joined<"-code-completion-at=">, 271 Alias<code_completion_at>; 272def code_completion_macros : Flag<"-code-completion-macros">, 273 HelpText<"Include macros in code-completion results">; 274def code_completion_patterns : Flag<"-code-completion-patterns">, 275 HelpText<"Include code patterns in code-completion results">; 276def no_code_completion_globals : Flag<"-no-code-completion-globals">, 277 HelpText<"Do not include global declarations in code-completion results.">; 278def disable_free : Flag<"-disable-free">, 279 HelpText<"Disable freeing of memory on exit">; 280def help : Flag<"-help">, 281 HelpText<"Print this help text">; 282def _help : Flag<"--help">, Alias<help>; 283def x : Separate<"-x">, HelpText<"Input language type">; 284def cxx_inheritance_view : Separate<"-cxx-inheritance-view">, 285 MetaVarName<"<class name>">, 286 HelpText<"View C++ inheritance for a specified class">; 287def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 288def load : Separate<"-load">, MetaVarName<"<dsopath>">, 289 HelpText<"Load the named plugin (dynamic shared object)">; 290def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 291 HelpText<"Use the named plugin action (use \"help\" to list available options)">; 292def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 293 MetaVarName<"<name> <arg>">, 294 HelpText<"Pass <arg> to plugin <name>">; 295def resource_dir : Separate<"-resource-dir">, 296 HelpText<"The directory which holds the compiler resource files">; 297def version : Flag<"-version">, 298 HelpText<"Print the compiler version">; 299def _version : Flag<"--version">, Alias<version>; 300 301def Action_Group : OptionGroup<"<action group>">; 302let Group = Action_Group in { 303 304def Eonly : Flag<"-Eonly">, 305 HelpText<"Just run preprocessor, no output (for timings)">; 306def E : Flag<"-E">, 307 HelpText<"Run preprocessor, emit preprocessed file">; 308def dump_raw_tokens : Flag<"-dump-raw-tokens">, 309 HelpText<"Lex file in raw mode and dump raw tokens">; 310def analyze : Flag<"-analyze">, 311 HelpText<"Run static analysis engine">; 312def dump_tokens : Flag<"-dump-tokens">, 313 HelpText<"Run preprocessor, dump internal rep of tokens">; 314def init_only : Flag<"-init-only">, 315 HelpText<"Only execute frontend initialization">; 316def fsyntax_only : Flag<"-fsyntax-only">, 317 HelpText<"Run parser and perform semantic analysis">; 318def fixit : Flag<"-fixit">, 319 HelpText<"Apply fix-it advice to the input source">; 320def fixit_EQ : Joined<"-fixit=">, 321 HelpText<"Apply fix-it advice creating a file with the given suffix">; 322def print_preamble : Flag<"-print-preamble">, 323 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 324 " precompiled headers.">; 325def emit_html : Flag<"-emit-html">, 326 HelpText<"Output input source as HTML">; 327def ast_print : Flag<"-ast-print">, 328 HelpText<"Build ASTs and then pretty-print them">; 329def ast_print_xml : Flag<"-ast-print-xml">, 330 HelpText<"Build ASTs and then print them in XML format">; 331def ast_dump : Flag<"-ast-dump">, 332 HelpText<"Build ASTs and then debug dump them">; 333def ast_view : Flag<"-ast-view">, 334 HelpText<"Build ASTs and view them with GraphViz">; 335def boostcon : Flag<"-boostcon">, 336 HelpText<"BoostCon workshop mode">; 337def print_decl_contexts : Flag<"-print-decl-contexts">, 338 HelpText<"Print DeclContexts and their Decls">; 339def emit_pth : Flag<"-emit-pth">, 340 HelpText<"Generate pre-tokenized header file">; 341def emit_pch : Flag<"-emit-pch">, 342 HelpText<"Generate pre-compiled header file">; 343def S : Flag<"-S">, 344 HelpText<"Emit native assembly code">; 345def emit_llvm : Flag<"-emit-llvm">, 346 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 347def emit_llvm_bc : Flag<"-emit-llvm-bc">, 348 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 349def emit_llvm_only : Flag<"-emit-llvm-only">, 350 HelpText<"Build ASTs and convert to LLVM, discarding output">; 351def emit_codegen_only : Flag<"-emit-codegen-only">, 352 HelpText<"Generate machine code, but discard output">; 353def emit_obj : Flag<"-emit-obj">, 354 HelpText<"Emit native object files">; 355def rewrite_test : Flag<"-rewrite-test">, 356 HelpText<"Rewriter playground">; 357def rewrite_objc : Flag<"-rewrite-objc">, 358 HelpText<"Rewrite ObjC into C (code rewriter example)">; 359def rewrite_macros : Flag<"-rewrite-macros">, 360 HelpText<"Expand macros without full preprocessing">; 361 362def create_module : Flag<"-create-module">, 363 HelpText<"Create a module definition file">; 364} 365 366def import_module : Separate<"-import-module">, 367 HelpText<"Import a module definition file">; 368 369def relocatable_pch : Flag<"-relocatable-pch">, 370 HelpText<"Whether to build a relocatable precompiled header">; 371def chained_pch : Flag<"-chained-pch">, 372 HelpText<"Whether to chain the new precompiled header to the old one.">; 373def print_stats : Flag<"-print-stats">, 374 HelpText<"Print performance metrics and statistics">; 375def ftime_report : Flag<"-ftime-report">, 376 HelpText<"Print the amount of time each phase of compilation takes">; 377def fdump_record_layouts : Flag<"-fdump-record-layouts">, 378 HelpText<"Dump record layout information">; 379def fix_what_you_can : Flag<"-fix-what-you-can">, 380 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 381 382// Generic forwarding to LLVM options. This should only be used for debugging 383// and experimental features. 384def mllvm : Separate<"-mllvm">, 385 HelpText<"Additional arguments to forward to LLVM's option processing">; 386 387//===----------------------------------------------------------------------===// 388// Language Options 389//===----------------------------------------------------------------------===// 390 391def fno_builtin : Flag<"-fno-builtin">, 392 HelpText<"Disable implicit builtin knowledge of functions">; 393def faltivec : Flag<"-faltivec">, 394 HelpText<"Enable AltiVec vector initializer syntax">; 395def fno_access_control : Flag<"-fno-access-control">, 396 HelpText<"Disable C++ access control">; 397def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 398 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 399def fgnu_keywords : Flag<"-fgnu-keywords">, 400 HelpText<"Allow GNU-extension keywords regardless of language standard">; 401def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 402 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 403def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 404 HelpText<"Allow '$' in identifiers">; 405def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 406 HelpText<"Disallow '$' in identifiers">; 407def femit_all_decls : Flag<"-femit-all-decls">, 408 HelpText<"Emit all declarations, even if unused">; 409def fblocks : Flag<"-fblocks">, 410 HelpText<"enable the 'blocks' language feature">; 411def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 412def fexceptions : Flag<"-fexceptions">, 413 HelpText<"Enable support for exception handling">; 414def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 415 HelpText<"Use SjLj style exceptions">; 416def ffreestanding : Flag<"-ffreestanding">, 417 HelpText<"Assert that the compilation takes place in a freestanding environment">; 418def fgnu_runtime : Flag<"-fgnu-runtime">, 419 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 420def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 421 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 422def std_EQ : Joined<"-std=">, 423 HelpText<"Language standard to compile for">; 424def fmath_errno : Flag<"-fmath-errno">, 425 HelpText<"Require math functions to indicate errors by setting errno">; 426def fms_extensions : Flag<"-fms-extensions">, 427 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 428def fborland_extensions : Flag<"-fborland-extensions">, 429 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 430def main_file_name : Separate<"-main-file-name">, 431 HelpText<"Main file name to use for debug info">; 432def fno_elide_constructors : Flag<"-fno-elide-constructors">, 433 HelpText<"Disable C++ copy constructor elision">; 434def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 435 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 436def fno_operator_names : Flag<"-fno-operator-names">, 437 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 438def fno_signed_char : Flag<"-fno-signed-char">, 439 HelpText<"Char is unsigned">; 440def fno_spell_checking : Flag<"-fno-spell-checking">, 441 HelpText<"Disable spell-checking">; 442def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 443 HelpText<"Don't use __cxa_atexit for calling destructors">; 444def fconstant_string_class : Separate<"-fconstant-string-class">, 445 MetaVarName<"<class name>">, 446 HelpText<"Specify the class to use for constant Objective-C string objects.">; 447def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 448 HelpText<"Enable creation of CodeFoundation-type constant strings">; 449def fobjc_gc : Flag<"-fobjc-gc">, 450 HelpText<"Enable Objective-C garbage collection">; 451def fobjc_gc_only : Flag<"-fobjc-gc-only">, 452 HelpText<"Use GC exclusively for Objective-C related memory management">; 453def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 454 HelpText<"Objective-C dispatch method to use">; 455def print_ivar_layout : Flag<"-print-ivar-layout">, 456 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 457def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 458 HelpText<"enable objective-c's nonfragile abi">; 459def fobjc_nonfragile_abi2 : Flag<"-fobjc-nonfragile-abi2">, 460 HelpText<"enable objective-c's enhanced nonfragile abi">; 461def ftrapv : Flag<"-ftrapv">, 462 HelpText<"Trap on integer overflow">; 463def ftrapv_handler : Separate<"-ftrapv-handler">, 464 MetaVarName<"<function name>">, 465 HelpText<"Specify the function to be called on overflow.">; 466def fwrapv : Flag<"-fwrapv">, 467 HelpText<"Treat signed integer overflow as two's complement">; 468def pic_level : Separate<"-pic-level">, 469 HelpText<"Value for __PIC__">; 470def pthread : Flag<"-pthread">, 471 HelpText<"Support POSIX threads in generated code">; 472def fpascal_strings : Flag<"-fpascal-strings">, 473 HelpText<"Recognize and construct Pascal-style string literals">; 474def fno_rtti : Flag<"-fno-rtti">, 475 HelpText<"Disable generation of rtti information">; 476def fno_validate_pch : Flag<"-fno-validate-pch">, 477 HelpText<"Disable validation of precompiled headers">; 478def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 479 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 480def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 481 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 482def fshort_wchar : Flag<"-fshort-wchar">, 483 HelpText<"Force wchar_t to be a short unsigned int">; 484def fshort_enums : Flag<"-fshort-enums">, 485 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 486def static_define : Flag<"-static-define">, 487 HelpText<"Should __STATIC__ be defined">; 488def stack_protector : Separate<"-stack-protector">, 489 HelpText<"Enable stack protectors">; 490def fvisibility : Separate<"-fvisibility">, 491 HelpText<"Default symbol visibility">; 492def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 493 HelpText<"Give inline C++ member functions default visibility by default">; 494def ftemplate_depth : Separate<"-ftemplate-depth">, 495 HelpText<"Maximum depth of recursive template instantiation">; 496def trigraphs : Flag<"-trigraphs">, 497 HelpText<"Process trigraph sequences">; 498def fwritable_strings : Flag<"-fwritable-strings">, 499 HelpText<"Store string literals as writable data">; 500def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 501 HelpText<"Ignore bit-field types when aligning structures">; 502 503//===----------------------------------------------------------------------===// 504// Header Search Options 505//===----------------------------------------------------------------------===// 506 507def nostdinc : Flag<"-nostdinc">, 508 HelpText<"Disable standard #include directories">; 509def nostdincxx : Flag<"-nostdinc++">, 510 HelpText<"Disable standard #include directories for the C++ standard library">; 511def nobuiltininc : Flag<"-nobuiltininc">, 512 HelpText<"Disable builtin #include directories">; 513def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 514 HelpText<"Add directory to framework include search path">; 515def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 516 HelpText<"Add directory to include search path">; 517def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 518 HelpText<"Add directory to AFTER include search path">; 519def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 520 HelpText<"Add directory to QUOTE include search path">; 521def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 522 HelpText<"Add directory to SYSTEM include search path">; 523def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 524 HelpText<"Add directory to SYSTEM include search path, " 525 "absolute paths are relative to -isysroot">; 526def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 527 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 528def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 529 HelpText<"Set directory to SYSTEM include search path with prefix">; 530def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 531 MetaVarName<"<dir>">, 532 HelpText<"Set directory to include search path with prefix">; 533def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 534 HelpText<"Set the system root directory (usually /)">; 535def cxx_system_include : Separate<"-cxx-system-include">, 536 HelpText<"Add a system #include directory for the C++ standard library">; 537def v : Flag<"-v">, HelpText<"Enable verbose output">; 538 539//===----------------------------------------------------------------------===// 540// Preprocessor Options 541//===----------------------------------------------------------------------===// 542 543def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 544 HelpText<"Predefine the specified macro">; 545def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 546 HelpText<"Include file before parsing">; 547def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 548 HelpText<"Include macros from file before parsing">; 549def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 550 HelpText<"Include precompiled header file">; 551def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 552 HelpText<"Include file before parsing">; 553def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 554 HelpText<"Assume that the precompiled header is a precompiled preamble " 555 "covering the first N bytes of the main file">; 556def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 557 HelpText<"Use specified token cache file">; 558def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 559 HelpText<"Undefine the specified macro">; 560def undef : Flag<"-undef">, MetaVarName<"<macro>">, 561 HelpText<"undef all system defines">; 562def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 563 HelpText<"include a detailed record of preprocessing actions">; 564 565//===----------------------------------------------------------------------===// 566// Preprocessed Output Options 567//===----------------------------------------------------------------------===// 568 569def P : Flag<"-P">, 570 HelpText<"Disable linemarker output in -E mode">; 571def C : Flag<"-C">, 572 HelpText<"Enable comment output in -E mode">; 573def CC : Flag<"-CC">, 574 HelpText<"Enable comment output in -E mode, even from macro expansions">; 575def dM : Flag<"-dM">, 576 HelpText<"Print macro definitions in -E mode instead of normal output">; 577def dD : Flag<"-dD">, 578 HelpText<"Print macro definitions in -E mode in addition to normal output">; 579def H : Flag<"-H">, 580 HelpText<"Show header includes and nesting depth">; 581