CC1Options.td revision c9f2e0f286500c7e747849b3aa9c0e67a4dc90d7
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_AnalyzerStats : Flag<"-analyzer-stats">, 70 HelpText<"Emit warnings with analyzer statistics">; 71def analysis_WarnBufferOverflows : Flag<"-analyzer-check-buffer-overflows">, 72 HelpText<"Warn about buffer overflows">; 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 analyzer_no_eagerly_trim_egraph : Flag<"-analyzer-no-eagerly-trim-egraph">, 107 HelpText<"Don't eagerly remove uninteresting ExplodedNodes from the ExplodedGraph">; 108def trim_egraph : Flag<"-trim-egraph">, 109 HelpText<"Only show error-related paths in the analysis graph">; 110def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 111 HelpText<"Display exploded graph using GraphViz">; 112def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 113 HelpText<"Display exploded graph using Ubigraph">; 114def analyzer_inline_call : Flag<"-analyzer-inline-call">, 115 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 116def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 117 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 118def analyzer_max_loop : Separate<"-analyzer-max-loop">, 119 HelpText<"The maximum number of times the analyzer will go through a loop">; 120 121def analyzer_checker : Separate<"-analyzer-checker">, 122 HelpText<"Choose analyzer checkers to enable">; 123def analyzer_checker_EQ : Joined<"-analyzer-checker=">, 124 Alias<analyzer_checker>; 125 126def analyzer_disable_checker : Separate<"-analyzer-disable-checker">, 127 HelpText<"Choose analyzer checkers to disable">; 128def analyzer_disable_checker_EQ : Joined<"-analyzer-disable-checker=">, 129 Alias<analyzer_disable_checker>; 130 131//===----------------------------------------------------------------------===// 132// CodeGen Options 133//===----------------------------------------------------------------------===// 134 135def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 136 HelpText<"Don't run LLVM optimization passes">; 137def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 138 HelpText<"Don't run the LLVM IR verifier pass">; 139def disable_red_zone : Flag<"-disable-red-zone">, 140 HelpText<"Do not emit code that uses the red zone.">; 141def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 142 HelpText<"The string to embed in the Dwarf debug flags record.">; 143def g : Flag<"-g">, HelpText<"Generate source level debug information">; 144def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 145 HelpText<"Generate runtime checks for undefined behavior.">; 146def flimit_debug_info : Flag<"-flimit-debug-info">, 147 HelpText<"Limit debug information produced to reduce size of debug binary">; 148def fno_common : Flag<"-fno-common">, 149 HelpText<"Compile common globals like normal definitions">; 150def no_implicit_float : Flag<"-no-implicit-float">, 151 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 152def finstrument_functions : Flag<"-finstrument-functions">, 153 HelpText<"Generate calls to instrument function entry and exit">; 154def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 155 HelpText<"Disallow merging of constants.">; 156def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 157 HelpText<"Do not emit code to make initialization of local statics thread safe">; 158def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 159 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 160def ffunction_sections : Flag<"-ffunction-sections">, 161 HelpText<"Place each function in its own section (ELF Only)">; 162def fdata_sections : Flag<"-fdata-sections">, 163 HelpText<"Place each data in its own section (ELF Only)">; 164def funroll_loops : Flag<"-funroll-loops">, 165 HelpText<"Turn on loop unroller">; 166def relaxed_aliasing : Flag<"-relaxed-aliasing">, 167 HelpText<"Turn off Type Based Alias Analysis">; 168def masm_verbose : Flag<"-masm-verbose">, 169 HelpText<"Generate verbose assembly output">; 170def mcode_model : Separate<"-mcode-model">, 171 HelpText<"The code model to use">; 172def mdebug_pass : Separate<"-mdebug-pass">, 173 HelpText<"Enable additional debug output">; 174def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 175 HelpText<"Disable frame pointer elimination optimization">; 176def mfloat_abi : Separate<"-mfloat-abi">, 177 HelpText<"The float ABI to use">; 178def mlimit_float_precision : Separate<"-mlimit-float-precision">, 179 HelpText<"Limit float precision to the given value">; 180def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 181 HelpText<"Do not put zero initialized data in the BSS">; 182def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 183 HelpText<"Omit frame pointer setup for leaf functions.">; 184def msoft_float : Flag<"-msoft-float">, 185 HelpText<"Use software floating point">; 186def mregparm : Separate<"-mregparm">, 187 HelpText<"Limit the number of registers available for integer arguments">; 188def mrelax_all : Flag<"-mrelax-all">, 189 HelpText<"Relax all machine instructions">; 190def mrelocation_model : Separate<"-mrelocation-model">, 191 HelpText<"The relocation model to use">; 192def munwind_tables : Flag<"-munwind-tables">, 193 HelpText<"Generate unwinding tables for all functions">; 194def mconstructor_aliases : Flag<"-mconstructor-aliases">, 195 HelpText<"Emit complete constructors and destructors as aliases when possible">; 196def mms_bitfields : Flag<"-mms-bitfields">, 197 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 198def O : Joined<"-O">, HelpText<"Optimization level">; 199def Os : Flag<"-Os">, HelpText<"Optimize for size">; 200def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 201 202//===----------------------------------------------------------------------===// 203// Dependency Output Options 204//===----------------------------------------------------------------------===// 205 206def dependency_file : Separate<"-dependency-file">, 207 HelpText<"Filename (or -) to write dependency output to">; 208def sys_header_deps : Flag<"-sys-header-deps">, 209 HelpText<"Include system headers in dependency output">; 210def header_include_file : Separate<"-header-include-file">, 211 HelpText<"Filename (or -) to write header include output to">; 212def H : Flag<"-H">, 213 HelpText<"Show header includes and nesting depth">; 214def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 215def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 216def MP : Flag<"-MP">, 217 HelpText<"Create phony target for each dependency (other than main file)">; 218 219//===----------------------------------------------------------------------===// 220// Diagnostic Options 221//===----------------------------------------------------------------------===// 222 223def dump_build_information : Separate<"-dump-build-information">, 224 MetaVarName<"<filename>">, 225 HelpText<"output a dump of some build information to a file">; 226def fno_show_column : Flag<"-fno-show-column">, 227 HelpText<"Do not include column number on diagnostics">; 228def fno_show_source_location : Flag<"-fno-show-source-location">, 229 HelpText<"Do not include source location information with diagnostics">; 230def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 231 HelpText<"Which overload candidates to show when overload resolution fails: " 232 "best|all; defaults to all">; 233def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 234 HelpText<"Do not include source line and caret with diagnostics">; 235def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 236 HelpText<"Do not include fixit information in diagnostics">; 237def w : Flag<"-w">, HelpText<"Suppress all warnings">; 238def pedantic : Flag<"-pedantic">; 239def pedantic_errors : Flag<"-pedantic-errors">; 240 241// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 242// driver has stripped off -Wa,foo etc. The driver has also translated -W to 243// -Wextra, so we don't need to worry about it. 244def W : Joined<"-W">; 245 246def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 247 HelpText<"Print source range spans in numeric form">; 248def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 249 HelpText<"Print fix-its in machine parseable form">; 250def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 251 HelpText<"Print diagnostic name with mappable diagnostics">; 252def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 253 HelpText<"Print diagnostic category">; 254 255def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 256 HelpText<"Set the tab stop distance.">; 257def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 258 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 259def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 260 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 261def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 262 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 263def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 264 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 265def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 266 HelpText<"Use colors in diagnostics">; 267def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 268 HelpText<"Silence ObjC rewriting warnings">; 269def Wwrite_strings : Flag<"-Wwrite-strings">, 270 HelpText<"Remove const qualifier from string literals">; 271def verify : Flag<"-verify">, 272 HelpText<"Verify emitted diagnostics and warnings">; 273 274//===----------------------------------------------------------------------===// 275// Frontend Options 276//===----------------------------------------------------------------------===// 277 278// This isn't normally used, it is just here so we can parse a 279// CompilerInvocation out of a driver-derived argument vector. 280def cc1 : Flag<"-cc1">; 281 282def ast_merge : Separate<"-ast-merge">, 283 MetaVarName<"<ast file>">, 284 HelpText<"Merge the given AST file into the translation unit being compiled.">; 285def code_completion_at : Separate<"-code-completion-at">, 286 MetaVarName<"<file>:<line>:<column>">, 287 HelpText<"Dump code-completion information at a location">; 288def remap_file : Separate<"-remap-file">, 289 MetaVarName<"<from>;<to>">, 290 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 291def code_completion_at_EQ : Joined<"-code-completion-at=">, 292 Alias<code_completion_at>; 293def code_completion_macros : Flag<"-code-completion-macros">, 294 HelpText<"Include macros in code-completion results">; 295def code_completion_patterns : Flag<"-code-completion-patterns">, 296 HelpText<"Include code patterns in code-completion results">; 297def no_code_completion_globals : Flag<"-no-code-completion-globals">, 298 HelpText<"Do not include global declarations in code-completion results.">; 299def disable_free : Flag<"-disable-free">, 300 HelpText<"Disable freeing of memory on exit">; 301def help : Flag<"-help">, 302 HelpText<"Print this help text">; 303def _help : Flag<"--help">, Alias<help>; 304def x : Separate<"-x">, HelpText<"Input language type">; 305def cxx_inheritance_view : Separate<"-cxx-inheritance-view">, 306 MetaVarName<"<class name>">, 307 HelpText<"View C++ inheritance for a specified class">; 308def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 309def load : Separate<"-load">, MetaVarName<"<dsopath>">, 310 HelpText<"Load the named plugin (dynamic shared object)">; 311def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 312 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 313def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 314 MetaVarName<"<name> <arg>">, 315 HelpText<"Pass <arg> to plugin <name>">; 316def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 317 HelpText<"Use the named plugin action in addition to the default action">; 318def resource_dir : Separate<"-resource-dir">, 319 HelpText<"The directory which holds the compiler resource files">; 320def version : Flag<"-version">, 321 HelpText<"Print the compiler version">; 322def _version : Flag<"--version">, Alias<version>; 323 324def Action_Group : OptionGroup<"<action group>">; 325let Group = Action_Group in { 326 327def Eonly : Flag<"-Eonly">, 328 HelpText<"Just run preprocessor, no output (for timings)">; 329def E : Flag<"-E">, 330 HelpText<"Run preprocessor, emit preprocessed file">; 331def dump_raw_tokens : Flag<"-dump-raw-tokens">, 332 HelpText<"Lex file in raw mode and dump raw tokens">; 333def analyze : Flag<"-analyze">, 334 HelpText<"Run static analysis engine">; 335def dump_tokens : Flag<"-dump-tokens">, 336 HelpText<"Run preprocessor, dump internal rep of tokens">; 337def init_only : Flag<"-init-only">, 338 HelpText<"Only execute frontend initialization">; 339def fsyntax_only : Flag<"-fsyntax-only">, 340 HelpText<"Run parser and perform semantic analysis">; 341def fixit : Flag<"-fixit">, 342 HelpText<"Apply fix-it advice to the input source">; 343def fixit_EQ : Joined<"-fixit=">, 344 HelpText<"Apply fix-it advice creating a file with the given suffix">; 345def print_preamble : Flag<"-print-preamble">, 346 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 347 " precompiled headers.">; 348def emit_html : Flag<"-emit-html">, 349 HelpText<"Output input source as HTML">; 350def ast_print : Flag<"-ast-print">, 351 HelpText<"Build ASTs and then pretty-print them">; 352def ast_print_xml : Flag<"-ast-print-xml">, 353 HelpText<"Build ASTs and then print them in XML format">; 354def ast_dump : Flag<"-ast-dump">, 355 HelpText<"Build ASTs and then debug dump them">; 356def ast_dump_xml : Flag<"-ast-dump-xml">, 357 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 358def ast_view : Flag<"-ast-view">, 359 HelpText<"Build ASTs and view them with GraphViz">; 360def boostcon : Flag<"-boostcon">, 361 HelpText<"BoostCon workshop mode">; 362def print_decl_contexts : Flag<"-print-decl-contexts">, 363 HelpText<"Print DeclContexts and their Decls">; 364def emit_pth : Flag<"-emit-pth">, 365 HelpText<"Generate pre-tokenized header file">; 366def emit_pch : Flag<"-emit-pch">, 367 HelpText<"Generate pre-compiled header file">; 368def S : Flag<"-S">, 369 HelpText<"Emit native assembly code">; 370def emit_llvm : Flag<"-emit-llvm">, 371 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 372def emit_llvm_bc : Flag<"-emit-llvm-bc">, 373 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 374def emit_llvm_only : Flag<"-emit-llvm-only">, 375 HelpText<"Build ASTs and convert to LLVM, discarding output">; 376def emit_codegen_only : Flag<"-emit-codegen-only">, 377 HelpText<"Generate machine code, but discard output">; 378def emit_obj : Flag<"-emit-obj">, 379 HelpText<"Emit native object files">; 380def rewrite_test : Flag<"-rewrite-test">, 381 HelpText<"Rewriter playground">; 382def rewrite_objc : Flag<"-rewrite-objc">, 383 HelpText<"Rewrite ObjC into C (code rewriter example)">; 384def rewrite_macros : Flag<"-rewrite-macros">, 385 HelpText<"Expand macros without full preprocessing">; 386 387def create_module : Flag<"-create-module">, 388 HelpText<"Create a module definition file">; 389} 390 391def import_module : Separate<"-import-module">, 392 HelpText<"Import a module definition file">; 393 394def working_directory : JoinedOrSeparate<"-working-directory">, 395 HelpText<"Resolve file paths relative to the specified directory">; 396def working_directory_EQ : Joined<"-working-directory=">, 397 Alias<working_directory>; 398 399def relocatable_pch : Flag<"-relocatable-pch">, 400 HelpText<"Whether to build a relocatable precompiled header">; 401def chained_pch : Flag<"-chained-pch">, 402 HelpText<"Whether to chain the new precompiled header to the old one.">; 403def print_stats : Flag<"-print-stats">, 404 HelpText<"Print performance metrics and statistics">; 405def ftime_report : Flag<"-ftime-report">, 406 HelpText<"Print the amount of time each phase of compilation takes">; 407def fdump_record_layouts : Flag<"-fdump-record-layouts">, 408 HelpText<"Dump record layout information">; 409def fix_what_you_can : Flag<"-fix-what-you-can">, 410 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 411 412// Generic forwarding to LLVM options. This should only be used for debugging 413// and experimental features. 414def mllvm : Separate<"-mllvm">, 415 HelpText<"Additional arguments to forward to LLVM's option processing">; 416 417//===----------------------------------------------------------------------===// 418// Language Options 419//===----------------------------------------------------------------------===// 420 421def fno_builtin : Flag<"-fno-builtin">, 422 HelpText<"Disable implicit builtin knowledge of functions">; 423def faltivec : Flag<"-faltivec">, 424 HelpText<"Enable AltiVec vector initializer syntax">; 425def fno_access_control : Flag<"-fno-access-control">, 426 HelpText<"Disable C++ access control">; 427def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 428 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 429def fgnu_keywords : Flag<"-fgnu-keywords">, 430 HelpText<"Allow GNU-extension keywords regardless of language standard">; 431def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 432 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 433def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 434 HelpText<"Allow '$' in identifiers">; 435def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 436 HelpText<"Disallow '$' in identifiers">; 437def femit_all_decls : Flag<"-femit-all-decls">, 438 HelpText<"Emit all declarations, even if unused">; 439def fblocks : Flag<"-fblocks">, 440 HelpText<"enable the 'blocks' language feature">; 441def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 442def fexceptions : Flag<"-fexceptions">, 443 HelpText<"Enable support for exception handling">; 444def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 445 HelpText<"Use SjLj style exceptions">; 446def ffreestanding : Flag<"-ffreestanding">, 447 HelpText<"Assert that the compilation takes place in a freestanding environment">; 448def fgnu_runtime : Flag<"-fgnu-runtime">, 449 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 450def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 451 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 452def std_EQ : Joined<"-std=">, 453 HelpText<"Language standard to compile for">; 454def fmath_errno : Flag<"-fmath-errno">, 455 HelpText<"Require math functions to indicate errors by setting errno">; 456def fms_extensions : Flag<"-fms-extensions">, 457 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 458def fmsc_version : Joined<"-fmsc-version=">, 459 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 460def fborland_extensions : Flag<"-fborland-extensions">, 461 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 462def main_file_name : Separate<"-main-file-name">, 463 HelpText<"Main file name to use for debug info">; 464def fno_elide_constructors : Flag<"-fno-elide-constructors">, 465 HelpText<"Disable C++ copy constructor elision">; 466def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 467 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 468def fno_operator_names : Flag<"-fno-operator-names">, 469 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 470def fno_signed_char : Flag<"-fno-signed-char">, 471 HelpText<"Char is unsigned">; 472def fno_spell_checking : Flag<"-fno-spell-checking">, 473 HelpText<"Disable spell-checking">; 474def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 475 HelpText<"Don't use __cxa_atexit for calling destructors">; 476def fconstant_string_class : Separate<"-fconstant-string-class">, 477 MetaVarName<"<class name>">, 478 HelpText<"Specify the class to use for constant Objective-C string objects.">; 479def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 480 HelpText<"Enable creation of CodeFoundation-type constant strings">; 481def fobjc_gc : Flag<"-fobjc-gc">, 482 HelpText<"Enable Objective-C garbage collection">; 483def fobjc_gc_only : Flag<"-fobjc-gc-only">, 484 HelpText<"Use GC exclusively for Objective-C related memory management">; 485def fapple_kext : Flag<"-fapple-kext">, 486 HelpText<"Use Apple's kernel extensions ABI">; 487def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 488 HelpText<"Objective-C dispatch method to use">; 489def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 490 HelpText<"enable the default synthesis of Objective-C properties">; 491def print_ivar_layout : Flag<"-print-ivar-layout">, 492 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 493def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 494 HelpText<"enable objective-c's nonfragile abi">; 495def ftrapv : Flag<"-ftrapv">, 496 HelpText<"Trap on integer overflow">; 497def ftrapv_handler : Separate<"-ftrapv-handler">, 498 MetaVarName<"<function name>">, 499 HelpText<"Specify the function to be called on overflow.">; 500def fwrapv : Flag<"-fwrapv">, 501 HelpText<"Treat signed integer overflow as two's complement">; 502def pic_level : Separate<"-pic-level">, 503 HelpText<"Value for __PIC__">; 504def pthread : Flag<"-pthread">, 505 HelpText<"Support POSIX threads in generated code">; 506def fpascal_strings : Flag<"-fpascal-strings">, 507 HelpText<"Recognize and construct Pascal-style string literals">; 508def fno_rtti : Flag<"-fno-rtti">, 509 HelpText<"Disable generation of rtti information">; 510def fno_validate_pch : Flag<"-fno-validate-pch">, 511 HelpText<"Disable validation of precompiled headers">; 512def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 513 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 514def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 515 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 516def fshort_wchar : Flag<"-fshort-wchar">, 517 HelpText<"Force wchar_t to be a short unsigned int">; 518def fshort_enums : Flag<"-fshort-enums">, 519 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 520def static_define : Flag<"-static-define">, 521 HelpText<"Should __STATIC__ be defined">; 522def stack_protector : Separate<"-stack-protector">, 523 HelpText<"Enable stack protectors">; 524def fvisibility : Separate<"-fvisibility">, 525 HelpText<"Default symbol visibility">; 526def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 527 HelpText<"Give inline C++ member functions default visibility by default">; 528def ftemplate_depth : Separate<"-ftemplate-depth">, 529 HelpText<"Maximum depth of recursive template instantiation">; 530def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 531 HelpText<"Warn if a function definition returns or accepts an object larger " 532 "in bytes that a given value">; 533def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 534 Alias<Wlarge_by_value_copy>; 535def trigraphs : Flag<"-trigraphs">, 536 HelpText<"Process trigraph sequences">; 537def fwritable_strings : Flag<"-fwritable-strings">, 538 HelpText<"Store string literals as writable data">; 539def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 540 HelpText<"Ignore bit-field types when aligning structures">; 541 542//===----------------------------------------------------------------------===// 543// Header Search Options 544//===----------------------------------------------------------------------===// 545 546def nostdinc : Flag<"-nostdinc">, 547 HelpText<"Disable standard #include directories">; 548def nostdincxx : Flag<"-nostdinc++">, 549 HelpText<"Disable standard #include directories for the C++ standard library">; 550def nobuiltininc : Flag<"-nobuiltininc">, 551 HelpText<"Disable builtin #include directories">; 552def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 553 HelpText<"Add directory to framework include search path">; 554def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 555 HelpText<"Add directory to include search path">; 556def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 557 HelpText<"Add directory to AFTER include search path">; 558def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 559 HelpText<"Add directory to QUOTE include search path">; 560def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 561 HelpText<"Add directory to SYSTEM include search path">; 562def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 563 HelpText<"Add directory to SYSTEM include search path, " 564 "absolute paths are relative to -isysroot">; 565def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 566 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 567def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 568 HelpText<"Set directory to SYSTEM include search path with prefix">; 569def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 570 MetaVarName<"<dir>">, 571 HelpText<"Set directory to include search path with prefix">; 572def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 573 HelpText<"Set the system root directory (usually /)">; 574def cxx_system_include : Separate<"-cxx-system-include">, 575 HelpText<"Add a system #include directory for the C++ standard library">; 576def v : Flag<"-v">, HelpText<"Enable verbose output">; 577 578//===----------------------------------------------------------------------===// 579// Preprocessor Options 580//===----------------------------------------------------------------------===// 581 582def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 583 HelpText<"Predefine the specified macro">; 584def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 585 HelpText<"Include file before parsing">; 586def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 587 HelpText<"Include macros from file before parsing">; 588def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 589 HelpText<"Include precompiled header file">; 590def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 591 HelpText<"Include file before parsing">; 592def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 593 HelpText<"Assume that the precompiled header is a precompiled preamble " 594 "covering the first N bytes of the main file">; 595def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 596 HelpText<"Use specified token cache file">; 597def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 598 HelpText<"Undefine the specified macro">; 599def undef : Flag<"-undef">, MetaVarName<"<macro>">, 600 HelpText<"undef all system defines">; 601def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 602 HelpText<"include a detailed record of preprocessing actions">; 603 604//===----------------------------------------------------------------------===// 605// Preprocessed Output Options 606//===----------------------------------------------------------------------===// 607 608def P : Flag<"-P">, 609 HelpText<"Disable linemarker output in -E mode">; 610def C : Flag<"-C">, 611 HelpText<"Enable comment output in -E mode">; 612def CC : Flag<"-CC">, 613 HelpText<"Enable comment output in -E mode, even from macro expansions">; 614def dM : Flag<"-dM">, 615 HelpText<"Print macro definitions in -E mode instead of normal output">; 616def dD : Flag<"-dD">, 617 HelpText<"Print macro definitions in -E mode in addition to normal output">; 618 619//===----------------------------------------------------------------------===// 620// OpenCL Options 621//===----------------------------------------------------------------------===// 622 623def cl_opt_disable : Flag<"-cl-opt-disable">, 624 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 625def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 626 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 627def cl_finite_math_only : Flag<"-cl-finite-math-only">, 628 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 629def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 630 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 631def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 632 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 633def cl_mad_enable : Flag<"-cl-mad-enable">, 634 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 635def cl_std_EQ : Joined<"-cl-std=">, 636 HelpText<"OpenCL language standard to compile for">; 637