CC1Options.td revision 9b823e8e1ccb8a2cb49923bad22a80ca96f41f92
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 triple : Separate<"-triple">, 30 HelpText<"Specify target triple (e.g. i686-apple-darwin9)">; 31def triple_EQ : Joined<"-triple=">, Alias<triple>; 32 33//===----------------------------------------------------------------------===// 34// Analyzer Options 35//===----------------------------------------------------------------------===// 36 37def analysis_CFGDump : Flag<"-cfg-dump">, 38 HelpText<"Display Control-Flow Graphs">; 39def analysis_CFGView : Flag<"-cfg-view">, 40 HelpText<"View Control-Flow Graphs using GraphViz">; 41def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">, 42 HelpText<"View Control-Flow Graphs using GraphViz">; 43def analysis_DisplayLiveVariables : Flag<"-dump-live-variables">, 44 HelpText<"Print results of live variable analysis">; 45def analysis_LLVMConventionChecker : Flag<"-analyzer-check-llvm-conventions">, 46 HelpText<"Check code for LLVM codebase conventions (domain-specific)">; 47def analysis_SecuritySyntacticChecks : Flag<"-analyzer-check-security-syntactic">, 48 HelpText<"Perform quick security checks that require no data flow">; 49def analysis_WarnDeadStores : Flag<"-analyzer-check-dead-stores">, 50 HelpText<"Warn about stores to dead variables">; 51def analysis_WarnUninitVals : Flag<"-warn-uninit-values">, 52 HelpText<"Warn about uses of uninitialized variables">; 53def analysis_WarnObjCMethSigs : Flag<"-analyzer-check-objc-methodsigs">, 54 HelpText<"Warn about Objective-C method signatures with type incompatibilities">; 55def analysis_WarnObjCDealloc : Flag<"-analyzer-check-objc-missing-dealloc">, 56 HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">; 57def analysis_WarnObjCUnusedIvars : Flag<"-analyzer-check-objc-unused-ivars">, 58 HelpText<"Warn about private ivars that are never used">; 59def analysis_ObjCMemChecker : Flag<"-analyzer-check-objc-mem">, 60 HelpText<"Run the [Core] Foundation reference count checker">; 61def analysis_WarnSizeofPointer : Flag<"-warn-sizeof-pointer">, 62 HelpText<"Warn about unintended use of sizeof() on pointer expressions">; 63 64def analyzer_store : Separate<"-analyzer-store">, 65 HelpText<"Source Code Analysis - Abstract Memory Store Models">; 66def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>; 67 68def analyzer_constraints : Separate<"-analyzer-constraints">, 69 HelpText<"Source Code Analysis - Symbolic Constraint Engines">; 70def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">, 71 Alias<analyzer_constraints>; 72 73def analyzer_output : Separate<"-analyzer-output">, 74 HelpText<"Source Code Analysis - Output Options">; 75def analyzer_output_EQ : Joined<"-analyzer-output=">, 76 Alias<analyzer_output>; 77 78def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 79 HelpText<"Force the static analyzer to analyze functions defined in header files">; 80def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 81 HelpText<"Analyze the definitions of blocks in addition to functions">; 82def analyzer_display_progress : Flag<"-analyzer-display-progress">, 83 HelpText<"Emit verbose output about the analyzer's progress">; 84def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">, 85 HelpText<"Use experimental path-sensitive checks">; 86def analyzer_experimental_internal_checks : 87 Flag<"-analyzer-experimental-internal-checks">, 88 HelpText<"Use new default path-sensitive checks currently in testing">; 89def analyze_function : Separate<"-analyze-function">, 90 HelpText<"Run analysis on specific function">; 91def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 92def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 93 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 94def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">, 95 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">; 96def trim_egraph : Flag<"-trim-egraph">, 97 HelpText<"Only show error-related paths in the analysis graph">; 98def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 99 HelpText<"Display exploded graph using GraphViz">; 100def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 101 HelpText<"Display exploded graph using Ubigraph">; 102def analyzer_inline_call : Flag<"-analyzer-inline-call">, 103 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 104def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 105 HelpText<"The maximum number of nodes the analyzer can generate">; 106def analyzer_max_loop : Separate<"-analyzer-max-loop">, 107 HelpText<"The maximum number of times the analyzer will go through a loop">; 108 109//===----------------------------------------------------------------------===// 110// CodeGen Options 111//===----------------------------------------------------------------------===// 112 113def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 114 HelpText<"Don't run LLVM optimization passes">; 115def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 116 HelpText<"Don't run the LLVM IR verifier pass">; 117def disable_red_zone : Flag<"-disable-red-zone">, 118 HelpText<"Do not emit code that uses the red zone.">; 119def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 120 HelpText<"The string to embed in the Dwarf debug flags record.">; 121def g : Flag<"-g">, HelpText<"Generate source level debug information">; 122def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 123 HelpText<"Generate runtime checks for undefined behavior.">; 124def fno_common : Flag<"-fno-common">, 125 HelpText<"Compile common globals like normal definitions">; 126def no_implicit_float : Flag<"-no-implicit-float">, 127 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 128def finstrument_functions : Flag<"-finstrument-functions">, 129 HelpText<"Generate calls to instrument function entry and exit">; 130def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 131 HelpText<"Disallow merging of constants.">; 132def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 133 HelpText<"Do not emit code to make initialization of local statics thread safe">; 134def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 135 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 136def ffunction_sections : Flag<"-ffunction-sections">, 137 HelpText<"Place each function in its own section (ELF Only)">; 138def fdata_sections : Flag<"-fdata-sections">, 139 HelpText<"Place each data in its own section (ELF Only)">; 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 mrelax_all : Flag<"-mrelax-all">, 159 HelpText<"Relax all machine instructions">; 160def mrelocation_model : Separate<"-mrelocation-model">, 161 HelpText<"The relocation model to use">; 162def munwind_tables : Flag<"-munwind-tables">, 163 HelpText<"Generate unwinding tables for all functions">; 164def mconstructor_aliases : Flag<"-mconstructor-aliases">, 165 HelpText<"Emit complete constructors and destructors as aliases when possible">; 166def O : Joined<"-O">, HelpText<"Optimization level">; 167def Os : Flag<"-Os">, HelpText<"Optimize for size">; 168 169//===----------------------------------------------------------------------===// 170// Dependency Output Options 171//===----------------------------------------------------------------------===// 172 173def dependency_file : Separate<"-dependency-file">, 174 HelpText<"Filename (or -) to write dependency output to">; 175def sys_header_deps : Flag<"-sys-header-deps">, 176 HelpText<"Include system headers in dependency output">; 177def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 178def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 179def MP : Flag<"-MP">, 180 HelpText<"Create phony target for each dependency (other than main file)">; 181 182//===----------------------------------------------------------------------===// 183// Diagnostic Options 184//===----------------------------------------------------------------------===// 185 186def dump_build_information : Separate<"-dump-build-information">, 187 MetaVarName<"<filename>">, 188 HelpText<"output a dump of some build information to a file">; 189def fno_show_column : Flag<"-fno-show-column">, 190 HelpText<"Do not include column number on diagnostics">; 191def fno_show_source_location : Flag<"-fno-show-source-location">, 192 HelpText<"Do not include source location information with diagnostics">; 193def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 194 HelpText<"Which overload candidates to show when overload resolution fails: " 195 "best|all; defaults to all">; 196def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 197 HelpText<"Do not include source line and caret with diagnostics">; 198def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 199 HelpText<"Do not include fixit information in diagnostics">; 200def fdiagnostics_binary : Flag<"-fdiagnostics-binary">; 201def w : Flag<"-w">, HelpText<"Suppress all warnings">; 202def pedantic : Flag<"-pedantic">; 203def pedantic_errors : Flag<"-pedantic-errors">; 204 205// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 206// driver has stripped off -Wa,foo etc. The driver has also translated -W to 207// -Wextra, so we don't need to worry about it. 208def W : Joined<"-W">; 209 210def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 211 HelpText<"Print source range spans in numeric form">; 212def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 213 HelpText<"Print diagnostic name with mappable diagnostics">; 214def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 215 HelpText<"Print diagnostic category">; 216 217def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 218 HelpText<"Set the tab stop distance.">; 219def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 220 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 221def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 222 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 223def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 224 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 225def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 226 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 227def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 228 HelpText<"Use colors in diagnostics">; 229def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 230 HelpText<"Silence ObjC rewriting warnings">; 231def Wwrite_strings : Flag<"-Wwrite-strings">, 232 HelpText<"Add const qualifier to string literals">; 233def verify : Flag<"-verify">, 234 HelpText<"Verify emitted diagnostics and warnings">; 235 236//===----------------------------------------------------------------------===// 237// Frontend Options 238//===----------------------------------------------------------------------===// 239 240// This isn't normally used, it is just here so we can parse a 241// CompilerInvocation out of a driver-derived argument vector. 242def cc1 : Flag<"-cc1">; 243 244def ast_merge : Separate<"-ast-merge">, 245 MetaVarName<"<ast file>">, 246 HelpText<"Merge the given AST file into the translation unit being compiled.">; 247def code_completion_at : Separate<"-code-completion-at">, 248 MetaVarName<"<file>:<line>:<column>">, 249 HelpText<"Dump code-completion information at a location">; 250def remap_file : Separate<"-remap-file">, 251 MetaVarName<"<from>;<to>">, 252 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 253def code_completion_at_EQ : Joined<"-code-completion-at=">, 254 Alias<code_completion_at>; 255def no_code_completion_debug_printer : Flag<"-no-code-completion-debug-printer">, 256 HelpText<"Don't use the \"debug\" code-completion print">; 257def code_completion_macros : Flag<"-code-completion-macros">, 258 HelpText<"Include macros in code-completion results">; 259def code_completion_patterns : Flag<"-code-completion-patterns">, 260 HelpText<"Include code patterns in code-completion results">; 261def disable_free : Flag<"-disable-free">, 262 HelpText<"Disable freeing of memory on exit">; 263def help : Flag<"-help">, 264 HelpText<"Print this help text">; 265def _help : Flag<"--help">, Alias<help>; 266def x : Separate<"-x">, HelpText<"Input language type">; 267def cxx_inheritance_view : Separate<"-cxx-inheritance-view">, 268 MetaVarName<"<class name>">, 269 HelpText<"View C++ inheritance for a specified class">; 270def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 271def load : Separate<"-load">, MetaVarName<"<dsopath>">, 272 HelpText<"Load the named plugin (dynamic shared object)">; 273def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 274 HelpText<"Use the named plugin action (use \"help\" to list available options)">; 275def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 276 MetaVarName<"<name> <arg>">, 277 HelpText<"Pass <arg> to plugin <name>">; 278def resource_dir : Separate<"-resource-dir">, 279 HelpText<"The directory which holds the compiler resource files">; 280def version : Flag<"-version">, 281 HelpText<"Print the compiler version">; 282def _version : Flag<"--version">, Alias<version>; 283 284def Action_Group : OptionGroup<"<action group>">; 285let Group = Action_Group in { 286 287def Eonly : Flag<"-Eonly">, 288 HelpText<"Just run preprocessor, no output (for timings)">; 289def E : Flag<"-E">, 290 HelpText<"Run preprocessor, emit preprocessed file">; 291def dump_raw_tokens : Flag<"-dump-raw-tokens">, 292 HelpText<"Lex file in raw mode and dump raw tokens">; 293def analyze : Flag<"-analyze">, 294 HelpText<"Run static analysis engine">; 295def dump_tokens : Flag<"-dump-tokens">, 296 HelpText<"Run preprocessor, dump internal rep of tokens">; 297def init_only : Flag<"-init-only">, 298 HelpText<"Only execute frontend initialization">; 299def fsyntax_only : Flag<"-fsyntax-only">, 300 HelpText<"Run parser and perform semantic analysis">; 301def fixit : Flag<"-fixit">, 302 HelpText<"Apply fix-it advice to the input source">; 303def fixit_EQ : Joined<"-fixit=">, 304 HelpText<"Apply fix-it advice creating a file with the given suffix">; 305def print_preamble : Flag<"-print-preamble">, 306 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 307 " precompiled headers.">; 308def emit_html : Flag<"-emit-html">, 309 HelpText<"Output input source as HTML">; 310def ast_print : Flag<"-ast-print">, 311 HelpText<"Build ASTs and then pretty-print them">; 312def ast_print_xml : Flag<"-ast-print-xml">, 313 HelpText<"Build ASTs and then print them in XML format">; 314def ast_dump : Flag<"-ast-dump">, 315 HelpText<"Build ASTs and then debug dump them">; 316def ast_view : Flag<"-ast-view">, 317 HelpText<"Build ASTs and view them with GraphViz">; 318def boostcon : Flag<"-boostcon">, 319 HelpText<"BoostCon workshop mode">; 320def print_decl_contexts : Flag<"-print-decl-contexts">, 321 HelpText<"Print DeclContexts and their Decls">; 322def emit_pth : Flag<"-emit-pth">, 323 HelpText<"Generate pre-tokenized header file">; 324def emit_pch : Flag<"-emit-pch">, 325 HelpText<"Generate pre-compiled header file">; 326def S : Flag<"-S">, 327 HelpText<"Emit native assembly code">; 328def emit_llvm : Flag<"-emit-llvm">, 329 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 330def emit_llvm_bc : Flag<"-emit-llvm-bc">, 331 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 332def emit_llvm_only : Flag<"-emit-llvm-only">, 333 HelpText<"Build ASTs and convert to LLVM, discarding output">; 334def emit_codegen_only : Flag<"-emit-codegen-only">, 335 HelpText<"Generate machine code, but discard output">; 336def emit_obj : Flag<"-emit-obj">, 337 HelpText<"Emit native object files">; 338def rewrite_test : Flag<"-rewrite-test">, 339 HelpText<"Rewriter playground">; 340def rewrite_objc : Flag<"-rewrite-objc">, 341 HelpText<"Rewrite ObjC into C (code rewriter example)">; 342def rewrite_macros : Flag<"-rewrite-macros">, 343 HelpText<"Expand macros without full preprocessing">; 344 345} 346 347def relocatable_pch : Flag<"-relocatable-pch">, 348 HelpText<"Whether to build a relocatable precompiled header">; 349def chained_pch : Flag<"-chained-pch">, 350 HelpText<"Whether to chain the new precompiled header to the old one.">; 351def print_stats : Flag<"-print-stats">, 352 HelpText<"Print performance metrics and statistics">; 353def ftime_report : Flag<"-ftime-report">, 354 HelpText<"Print the amount of time each phase of compilation takes">; 355 356def fdump_record_layouts : Flag<"-fdump-record-layouts">, 357 HelpText<"Dump record layout information">; 358 359// Generic forwarding to LLVM options. This should only be used for debugging 360// and experimental features. 361def mllvm : Separate<"-mllvm">, 362 HelpText<"Additional arguments to forward to LLVM's option processing">; 363 364//===----------------------------------------------------------------------===// 365// Language Options 366//===----------------------------------------------------------------------===// 367 368def fno_builtin : Flag<"-fno-builtin">, 369 HelpText<"Disable implicit builtin knowledge of functions">; 370def faltivec : Flag<"-faltivec">, 371 HelpText<"Enable AltiVec vector initializer syntax">; 372def fno_access_control : Flag<"-fno-access-control">, 373 HelpText<"Disable C++ access control">; 374def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 375 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 376def fgnu_keywords : Flag<"-fgnu-keywords">, 377 HelpText<"Allow GNU-extension keywords regardless of language standard">; 378def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 379 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 380def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 381 HelpText<"Allow '$' in identifiers">; 382def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 383 HelpText<"Disallow '$' in identifiers">; 384def femit_all_decls : Flag<"-femit-all-decls">, 385 HelpText<"Emit all declarations, even if unused">; 386def fblocks : Flag<"-fblocks">, 387 HelpText<"enable the 'blocks' language feature">; 388def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 389def fexceptions : Flag<"-fexceptions">, 390 HelpText<"Enable support for exception handling">; 391def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 392 HelpText<"Use SjLj style exceptions">; 393def ffreestanding : Flag<"-ffreestanding">, 394 HelpText<"Assert that the compilation takes place in a freestanding environment">; 395def fgnu_runtime : Flag<"-fgnu-runtime">, 396 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 397def std_EQ : Joined<"-std=">, 398 HelpText<"Language standard to compile for">; 399def fmath_errno : Flag<"-fmath-errno">, 400 HelpText<"Require math functions to indicate errors by setting errno">; 401def fms_extensions : Flag<"-fms-extensions">, 402 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 403def main_file_name : Separate<"-main-file-name">, 404 HelpText<"Main file name to use for debug info">; 405def fno_elide_constructors : Flag<"-fno-elide-constructors">, 406 HelpText<"Disable C++ copy constructor elision">; 407def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 408 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 409def fno_operator_names : Flag<"-fno-operator-names">, 410 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 411def fno_signed_char : Flag<"-fno-signed-char">, 412 HelpText<"Char is unsigned">; 413def fno_spell_checking : Flag<"-fno-spell-checking">, 414 HelpText<"Disable spell-checking">; 415def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 416 HelpText<"Don't use __cxa_atexit for calling destructors">; 417def fconstant_string_class : Separate<"-fconstant-string-class">, 418 MetaVarName<"<class name>">, 419 HelpText<"Specify the class to use for constant Objective-C string objects.">; 420def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 421 HelpText<"Enable creation of CodeFoundation-type constant strings">; 422def fobjc_gc : Flag<"-fobjc-gc">, 423 HelpText<"Enable Objective-C garbage collection">; 424def fobjc_gc_only : Flag<"-fobjc-gc-only">, 425 HelpText<"Use GC exclusively for Objective-C related memory management">; 426def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 427 HelpText<"Objective-C dispatch method to use">; 428def print_ivar_layout : Flag<"-print-ivar-layout">, 429 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 430def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 431 HelpText<"enable objective-c's nonfragile abi">; 432def fobjc_nonfragile_abi2 : Flag<"-fobjc-nonfragile-abi2">, 433 HelpText<"enable objective-c's enhanced nonfragile abi">; 434def ftrapv : Flag<"-ftrapv">, 435 HelpText<"Trap on integer overflow">; 436def fwrapv : Flag<"-fwrapv">, 437 HelpText<"Treat signed integer overflow as two's complement">; 438def pic_level : Separate<"-pic-level">, 439 HelpText<"Value for __PIC__">; 440def pthread : Flag<"-pthread">, 441 HelpText<"Support POSIX threads in generated code">; 442def fpascal_strings : Flag<"-fpascal-strings">, 443 HelpText<"Recognize and construct Pascal-style string literals">; 444def fno_rtti : Flag<"-fno-rtti">, 445 HelpText<"Disable generation of rtti information">; 446def fno_validate_pch : Flag<"-fno-validate-pch">, 447 HelpText<"Disable validation of precompiled headers">; 448def fshort_wchar : Flag<"-fshort-wchar">, 449 HelpText<"Force wchar_t to be a short unsigned int">; 450def static_define : Flag<"-static-define">, 451 HelpText<"Should __STATIC__ be defined">; 452def stack_protector : Separate<"-stack-protector">, 453 HelpText<"Enable stack protectors">; 454def fvisibility : Separate<"-fvisibility">, 455 HelpText<"Default symbol visibility">; 456def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 457 HelpText<"Give inline C++ member functions default visibility by default">; 458def ftemplate_depth : Separate<"-ftemplate-depth">, 459 HelpText<"Maximum depth of recursive template instantiation">; 460def trigraphs : Flag<"-trigraphs">, 461 HelpText<"Process trigraph sequences">; 462def fwritable_strings : Flag<"-fwritable-strings">, 463 HelpText<"Store string literals as writable data">; 464def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 465 HelpText<"Ignore bit-field types when aligning structures">; 466 467//===----------------------------------------------------------------------===// 468// Header Search Options 469//===----------------------------------------------------------------------===// 470 471def nostdinc : Flag<"-nostdinc">, 472 HelpText<"Disable standard #include directories">; 473def nostdincxx : Flag<"-nostdinc++">, 474 HelpText<"Disable standard #include directories for the C++ standard library">; 475def nobuiltininc : Flag<"-nobuiltininc">, 476 HelpText<"Disable builtin #include directories">; 477def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 478 HelpText<"Add directory to framework include search path">; 479def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 480 HelpText<"Add directory to include search path">; 481def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 482 HelpText<"Add directory to AFTER include search path">; 483def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 484 HelpText<"Add directory to QUOTE include search path">; 485def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 486 HelpText<"Add directory to SYSTEM include search path">; 487def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 488 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 489def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 490 HelpText<"Set directory to SYSTEM include search path with prefix">; 491def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 492 MetaVarName<"<dir>">, 493 HelpText<"Set directory to include search path with prefix">; 494def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 495 HelpText<"Set the system root directory (usually /)">; 496def v : Flag<"-v">, HelpText<"Enable verbose output">; 497 498//===----------------------------------------------------------------------===// 499// Preprocessor Options 500//===----------------------------------------------------------------------===// 501 502def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 503 HelpText<"Predefine the specified macro">; 504def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 505 HelpText<"Include file before parsing">; 506def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 507 HelpText<"Include macros from file before parsing">; 508def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 509 HelpText<"Include precompiled header file">; 510def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 511 HelpText<"Include file before parsing">; 512def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 513 HelpText<"Assume that the precompiled header is a precompiled preamble " 514 "covering the first N bytes of the main file">; 515def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 516 HelpText<"Use specified token cache file">; 517def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 518 HelpText<"Undefine the specified macro">; 519def undef : Flag<"-undef">, MetaVarName<"<macro>">, 520 HelpText<"undef all system defines">; 521def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 522 HelpText<"include a detailed record of preprocessing actions">; 523 524//===----------------------------------------------------------------------===// 525// Preprocessed Output Options 526//===----------------------------------------------------------------------===// 527 528def P : Flag<"-P">, 529 HelpText<"Disable linemarker output in -E mode">; 530def C : Flag<"-C">, 531 HelpText<"Enable comment output in -E mode">; 532def CC : Flag<"-CC">, 533 HelpText<"Enable comment output in -E mode, even from macro expansions">; 534def dM : Flag<"-dM">, 535 HelpText<"Print macro definitions in -E mode instead of normal output">; 536def dD : Flag<"-dD">, 537 HelpText<"Print macro definitions in -E mode in addition to normal output">; 538