CC1Options.td revision 2d67b90a21c9c1093e6598809c2cbc832919cfe6
1//===--- CC1Options.td - Options for clang -cc1 ---------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file defines the options accepted by clang -cc1. 11// 12//===----------------------------------------------------------------------===// 13 14// Include the common option parsing interfaces. 15include "OptParser.td" 16 17//===----------------------------------------------------------------------===// 18// Target Options 19//===----------------------------------------------------------------------===// 20 21def cxx_abi : Separate<"-cxx-abi">, 22 HelpText<"Target a particular C++ ABI type">; 23def target_abi : Separate<"-target-abi">, 24 HelpText<"Target a particular ABI type">; 25def target_cpu : Separate<"-target-cpu">, 26 HelpText<"Target a specific cpu type">; 27def target_feature : Separate<"-target-feature">, 28 HelpText<"Target specific attributes">; 29def target_linker_version : Separate<"-target-linker-version">, 30 HelpText<"Target linker version">; 31def triple : Separate<"-triple">, 32 HelpText<"Specify target triple (e.g. i686-apple-darwin9)">; 33def triple_EQ : Joined<"-triple=">, Alias<triple>; 34 35//===----------------------------------------------------------------------===// 36// Analyzer Options 37//===----------------------------------------------------------------------===// 38 39def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">, 40 HelpText<"Generate unoptimized CFGs for all analyses">; 41def analysis_CFGAddImplicitDtors : Flag<"-cfg-add-implicit-dtors">, 42 HelpText<"Add C++ implicit destructors to CFGs for all analyses">; 43def analysis_CFGAddInitializers : Flag<"-cfg-add-initializers">, 44 HelpText<"Add C++ initializers to CFGs for all analyses">; 45def analysis_WarnUninitVals : Flag<"-warn-uninit-values">, 46 HelpText<"Warn about uses of uninitialized variables">; 47def analysis_ObjCMemChecker : Flag<"-analyzer-check-objc-mem">, 48 HelpText<"Run the [Core] Foundation reference count checker">; 49def analysis_AnalyzerStats : Flag<"-analyzer-stats">, 50 HelpText<"Emit warnings with analyzer statistics">; 51def analysis_WarnBufferOverflows : Flag<"-analyzer-check-buffer-overflows">, 52 HelpText<"Warn about buffer overflows">; 53 54def analyzer_store : Separate<"-analyzer-store">, 55 HelpText<"Source Code Analysis - Abstract Memory Store Models">; 56def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>; 57 58def analyzer_constraints : Separate<"-analyzer-constraints">, 59 HelpText<"Source Code Analysis - Symbolic Constraint Engines">; 60def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">, 61 Alias<analyzer_constraints>; 62 63def analyzer_output : Separate<"-analyzer-output">, 64 HelpText<"Source Code Analysis - Output Options">; 65def analyzer_output_EQ : Joined<"-analyzer-output=">, 66 Alias<analyzer_output>; 67 68def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 69 HelpText<"Force the static analyzer to analyze functions defined in header files">; 70def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 71 HelpText<"Analyze the definitions of blocks in addition to functions">; 72def analyzer_display_progress : Flag<"-analyzer-display-progress">, 73 HelpText<"Emit verbose output about the analyzer's progress">; 74def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">, 75 HelpText<"Use experimental path-sensitive checks">; 76def analyzer_experimental_internal_checks : 77 Flag<"-analyzer-experimental-internal-checks">, 78 HelpText<"Use new default path-sensitive checks currently in testing">; 79def analyze_function : Separate<"-analyze-function">, 80 HelpText<"Run analysis on specific function">; 81def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 82def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 83 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 84def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">, 85 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">; 86def analyzer_no_eagerly_trim_egraph : Flag<"-analyzer-no-eagerly-trim-egraph">, 87 HelpText<"Don't eagerly remove uninteresting ExplodedNodes from the ExplodedGraph">; 88def trim_egraph : Flag<"-trim-egraph">, 89 HelpText<"Only show error-related paths in the analysis graph">; 90def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 91 HelpText<"Display exploded graph using GraphViz">; 92def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 93 HelpText<"Display exploded graph using Ubigraph">; 94def analyzer_inline_call : Flag<"-analyzer-inline-call">, 95 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 96def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 97 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 98def analyzer_max_loop : Separate<"-analyzer-max-loop">, 99 HelpText<"The maximum number of times the analyzer will go through a loop">; 100 101def analyzer_checker : Separate<"-analyzer-checker">, 102 HelpText<"Choose analyzer checkers to enable">; 103def analyzer_checker_EQ : Joined<"-analyzer-checker=">, 104 Alias<analyzer_checker>; 105 106def analyzer_disable_checker : Separate<"-analyzer-disable-checker">, 107 HelpText<"Choose analyzer checkers to disable">; 108def analyzer_disable_checker_EQ : Joined<"-analyzer-disable-checker=">, 109 Alias<analyzer_disable_checker>; 110 111//===----------------------------------------------------------------------===// 112// CodeGen Options 113//===----------------------------------------------------------------------===// 114 115def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 116 HelpText<"Don't run LLVM optimization passes">; 117def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 118 HelpText<"Don't run the LLVM IR verifier pass">; 119def disable_red_zone : Flag<"-disable-red-zone">, 120 HelpText<"Do not emit code that uses the red zone.">; 121def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 122 HelpText<"The string to embed in the Dwarf debug flags record.">; 123def g : Flag<"-g">, HelpText<"Generate source level debug information">; 124def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 125 HelpText<"Generate runtime checks for undefined behavior.">; 126def flimit_debug_info : Flag<"-flimit-debug-info">, 127 HelpText<"Limit debug information produced to reduce size of debug binary">; 128def fno_common : Flag<"-fno-common">, 129 HelpText<"Compile common globals like normal definitions">; 130def no_implicit_float : Flag<"-no-implicit-float">, 131 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 132def finstrument_functions : Flag<"-finstrument-functions">, 133 HelpText<"Generate calls to instrument function entry and exit">; 134def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 135 HelpText<"Disallow merging of constants.">; 136def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 137 HelpText<"Do not emit code to make initialization of local statics thread safe">; 138def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 139 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 140def ffunction_sections : Flag<"-ffunction-sections">, 141 HelpText<"Place each function in its own section (ELF Only)">; 142def fdata_sections : Flag<"-fdata-sections">, 143 HelpText<"Place each data in its own section (ELF Only)">; 144def funroll_loops : Flag<"-funroll-loops">, 145 HelpText<"Turn on loop unroller">; 146def relaxed_aliasing : Flag<"-relaxed-aliasing">, 147 HelpText<"Turn off Type Based Alias Analysis">; 148def masm_verbose : Flag<"-masm-verbose">, 149 HelpText<"Generate verbose assembly output">; 150def mcode_model : Separate<"-mcode-model">, 151 HelpText<"The code model to use">; 152def mdebug_pass : Separate<"-mdebug-pass">, 153 HelpText<"Enable additional debug output">; 154def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 155 HelpText<"Disable frame pointer elimination optimization">; 156def mfloat_abi : Separate<"-mfloat-abi">, 157 HelpText<"The float ABI to use">; 158def mlimit_float_precision : Separate<"-mlimit-float-precision">, 159 HelpText<"Limit float precision to the given value">; 160def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 161 HelpText<"Do not put zero initialized data in the BSS">; 162def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 163 HelpText<"Omit frame pointer setup for leaf functions.">; 164def msoft_float : Flag<"-msoft-float">, 165 HelpText<"Use software floating point">; 166def mregparm : Separate<"-mregparm">, 167 HelpText<"Limit the number of registers available for integer arguments">; 168def mrelax_all : Flag<"-mrelax-all">, 169 HelpText<"Relax all machine instructions">; 170def mrelocation_model : Separate<"-mrelocation-model">, 171 HelpText<"The relocation model to use">; 172def munwind_tables : Flag<"-munwind-tables">, 173 HelpText<"Generate unwinding tables for all functions">; 174def mconstructor_aliases : Flag<"-mconstructor-aliases">, 175 HelpText<"Emit complete constructors and destructors as aliases when possible">; 176def mms_bitfields : Flag<"-mms-bitfields">, 177 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 178def O : Joined<"-O">, HelpText<"Optimization level">; 179def Os : Flag<"-Os">, HelpText<"Optimize for size">; 180def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 181 182//===----------------------------------------------------------------------===// 183// Dependency Output Options 184//===----------------------------------------------------------------------===// 185 186def dependency_file : Separate<"-dependency-file">, 187 HelpText<"Filename (or -) to write dependency output to">; 188def sys_header_deps : Flag<"-sys-header-deps">, 189 HelpText<"Include system headers in dependency output">; 190def header_include_file : Separate<"-header-include-file">, 191 HelpText<"Filename (or -) to write header include output to">; 192def H : Flag<"-H">, 193 HelpText<"Show header includes and nesting depth">; 194def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 195def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 196def MP : Flag<"-MP">, 197 HelpText<"Create phony target for each dependency (other than main file)">; 198 199//===----------------------------------------------------------------------===// 200// Diagnostic Options 201//===----------------------------------------------------------------------===// 202 203def dump_build_information : Separate<"-dump-build-information">, 204 MetaVarName<"<filename>">, 205 HelpText<"output a dump of some build information to a file">; 206def fno_show_column : Flag<"-fno-show-column">, 207 HelpText<"Do not include column number on diagnostics">; 208def fno_show_source_location : Flag<"-fno-show-source-location">, 209 HelpText<"Do not include source location information with diagnostics">; 210def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 211 HelpText<"Which overload candidates to show when overload resolution fails: " 212 "best|all; defaults to all">; 213def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 214 HelpText<"Do not include source line and caret with diagnostics">; 215def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 216 HelpText<"Do not include fixit information in diagnostics">; 217def w : Flag<"-w">, HelpText<"Suppress all warnings">; 218def pedantic : Flag<"-pedantic">; 219def pedantic_errors : Flag<"-pedantic-errors">; 220 221// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 222// driver has stripped off -Wa,foo etc. The driver has also translated -W to 223// -Wextra, so we don't need to worry about it. 224def W : Joined<"-W">; 225 226def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 227 HelpText<"Print source range spans in numeric form">; 228def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 229 HelpText<"Print fix-its in machine parseable form">; 230def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 231 HelpText<"Print diagnostic name with mappable diagnostics">; 232def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 233 HelpText<"Print diagnostic category">; 234 235def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 236 HelpText<"Set the tab stop distance.">; 237def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 238 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 239def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 240 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 241def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 242 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 243def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 244 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 245def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 246 HelpText<"Use colors in diagnostics">; 247def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 248 HelpText<"Silence ObjC rewriting warnings">; 249def Wwrite_strings : Flag<"-Wwrite-strings">, 250 HelpText<"Remove const qualifier from string literals">; 251def verify : Flag<"-verify">, 252 HelpText<"Verify emitted diagnostics and warnings">; 253 254//===----------------------------------------------------------------------===// 255// Frontend Options 256//===----------------------------------------------------------------------===// 257 258// This isn't normally used, it is just here so we can parse a 259// CompilerInvocation out of a driver-derived argument vector. 260def cc1 : Flag<"-cc1">; 261 262def ast_merge : Separate<"-ast-merge">, 263 MetaVarName<"<ast file>">, 264 HelpText<"Merge the given AST file into the translation unit being compiled.">; 265def code_completion_at : Separate<"-code-completion-at">, 266 MetaVarName<"<file>:<line>:<column>">, 267 HelpText<"Dump code-completion information at a location">; 268def remap_file : Separate<"-remap-file">, 269 MetaVarName<"<from>;<to>">, 270 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 271def code_completion_at_EQ : Joined<"-code-completion-at=">, 272 Alias<code_completion_at>; 273def code_completion_macros : Flag<"-code-completion-macros">, 274 HelpText<"Include macros in code-completion results">; 275def code_completion_patterns : Flag<"-code-completion-patterns">, 276 HelpText<"Include code patterns in code-completion results">; 277def no_code_completion_globals : Flag<"-no-code-completion-globals">, 278 HelpText<"Do not include global declarations in code-completion results.">; 279def disable_free : Flag<"-disable-free">, 280 HelpText<"Disable freeing of memory on exit">; 281def help : Flag<"-help">, 282 HelpText<"Print this help text">; 283def _help : Flag<"--help">, Alias<help>; 284def x : Separate<"-x">, HelpText<"Input language type">; 285def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 286def load : Separate<"-load">, MetaVarName<"<dsopath>">, 287 HelpText<"Load the named plugin (dynamic shared object)">; 288def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 289 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 290def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 291 MetaVarName<"<name> <arg>">, 292 HelpText<"Pass <arg> to plugin <name>">; 293def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 294 HelpText<"Use the named plugin action in addition to the default action">; 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_dump_xml : Flag<"-ast-dump-xml">, 334 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 335def ast_view : Flag<"-ast-view">, 336 HelpText<"Build ASTs and view them with GraphViz">; 337def boostcon : Flag<"-boostcon">, 338 HelpText<"BoostCon workshop mode">; 339def print_decl_contexts : Flag<"-print-decl-contexts">, 340 HelpText<"Print DeclContexts and their Decls">; 341def emit_pth : Flag<"-emit-pth">, 342 HelpText<"Generate pre-tokenized header file">; 343def emit_pch : Flag<"-emit-pch">, 344 HelpText<"Generate pre-compiled header file">; 345def S : Flag<"-S">, 346 HelpText<"Emit native assembly code">; 347def emit_llvm : Flag<"-emit-llvm">, 348 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 349def emit_llvm_bc : Flag<"-emit-llvm-bc">, 350 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 351def emit_llvm_only : Flag<"-emit-llvm-only">, 352 HelpText<"Build ASTs and convert to LLVM, discarding output">; 353def emit_codegen_only : Flag<"-emit-codegen-only">, 354 HelpText<"Generate machine code, but discard output">; 355def emit_obj : Flag<"-emit-obj">, 356 HelpText<"Emit native object files">; 357def rewrite_test : Flag<"-rewrite-test">, 358 HelpText<"Rewriter playground">; 359def rewrite_objc : Flag<"-rewrite-objc">, 360 HelpText<"Rewrite ObjC into C (code rewriter example)">; 361def rewrite_macros : Flag<"-rewrite-macros">, 362 HelpText<"Expand macros without full preprocessing">; 363 364def create_module : Flag<"-create-module">, 365 HelpText<"Create a module definition file">; 366} 367 368def import_module : Separate<"-import-module">, 369 HelpText<"Import a module definition file">; 370 371def working_directory : JoinedOrSeparate<"-working-directory">, 372 HelpText<"Resolve file paths relative to the specified directory">; 373def working_directory_EQ : Joined<"-working-directory=">, 374 Alias<working_directory>; 375 376def relocatable_pch : Flag<"-relocatable-pch">, 377 HelpText<"Whether to build a relocatable precompiled header">; 378def chained_pch : Flag<"-chained-pch">, 379 HelpText<"Whether to chain the new precompiled header to the old one.">; 380def print_stats : Flag<"-print-stats">, 381 HelpText<"Print performance metrics and statistics">; 382def ftime_report : Flag<"-ftime-report">, 383 HelpText<"Print the amount of time each phase of compilation takes">; 384def fdump_record_layouts : Flag<"-fdump-record-layouts">, 385 HelpText<"Dump record layout information">; 386def fix_what_you_can : Flag<"-fix-what-you-can">, 387 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 388 389// Generic forwarding to LLVM options. This should only be used for debugging 390// and experimental features. 391def mllvm : Separate<"-mllvm">, 392 HelpText<"Additional arguments to forward to LLVM's option processing">; 393 394//===----------------------------------------------------------------------===// 395// Language Options 396//===----------------------------------------------------------------------===// 397 398def fno_builtin : Flag<"-fno-builtin">, 399 HelpText<"Disable implicit builtin knowledge of functions">; 400def faltivec : Flag<"-faltivec">, 401 HelpText<"Enable AltiVec vector initializer syntax">; 402def fno_access_control : Flag<"-fno-access-control">, 403 HelpText<"Disable C++ access control">; 404def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 405 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 406def fgnu_keywords : Flag<"-fgnu-keywords">, 407 HelpText<"Allow GNU-extension keywords regardless of language standard">; 408def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 409 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 410def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 411 HelpText<"Allow '$' in identifiers">; 412def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 413 HelpText<"Disallow '$' in identifiers">; 414def femit_all_decls : Flag<"-femit-all-decls">, 415 HelpText<"Emit all declarations, even if unused">; 416def fblocks : Flag<"-fblocks">, 417 HelpText<"enable the 'blocks' language feature">; 418def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 419def fexceptions : Flag<"-fexceptions">, 420 HelpText<"Enable support for exception handling">; 421def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 422 HelpText<"Use SjLj style exceptions">; 423def ffreestanding : Flag<"-ffreestanding">, 424 HelpText<"Assert that the compilation takes place in a freestanding environment">; 425def fgnu_runtime : Flag<"-fgnu-runtime">, 426 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 427def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 428 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 429def std_EQ : Joined<"-std=">, 430 HelpText<"Language standard to compile for">; 431def fmath_errno : Flag<"-fmath-errno">, 432 HelpText<"Require math functions to indicate errors by setting errno">; 433def fms_extensions : Flag<"-fms-extensions">, 434 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 435def fmsc_version : Joined<"-fmsc-version=">, 436 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 437def fborland_extensions : Flag<"-fborland-extensions">, 438 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 439def main_file_name : Separate<"-main-file-name">, 440 HelpText<"Main file name to use for debug info">; 441def fno_elide_constructors : Flag<"-fno-elide-constructors">, 442 HelpText<"Disable C++ copy constructor elision">; 443def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 444 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 445def fno_operator_names : Flag<"-fno-operator-names">, 446 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 447def fno_signed_char : Flag<"-fno-signed-char">, 448 HelpText<"Char is unsigned">; 449def fno_spell_checking : Flag<"-fno-spell-checking">, 450 HelpText<"Disable spell-checking">; 451def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 452 HelpText<"Don't use __cxa_atexit for calling destructors">; 453def fconstant_string_class : Separate<"-fconstant-string-class">, 454 MetaVarName<"<class name>">, 455 HelpText<"Specify the class to use for constant Objective-C string objects.">; 456def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 457 HelpText<"Enable creation of CodeFoundation-type constant strings">; 458def fobjc_gc : Flag<"-fobjc-gc">, 459 HelpText<"Enable Objective-C garbage collection">; 460def fobjc_gc_only : Flag<"-fobjc-gc-only">, 461 HelpText<"Use GC exclusively for Objective-C related memory management">; 462def fapple_kext : Flag<"-fapple-kext">, 463 HelpText<"Use Apple's kernel extensions ABI">; 464def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 465 HelpText<"Objective-C dispatch method to use">; 466def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 467 HelpText<"enable the default synthesis of Objective-C properties">; 468def print_ivar_layout : Flag<"-print-ivar-layout">, 469 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 470def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 471 HelpText<"enable objective-c's nonfragile abi">; 472def ftrapv : Flag<"-ftrapv">, 473 HelpText<"Trap on integer overflow">; 474def ftrapv_handler : Separate<"-ftrapv-handler">, 475 MetaVarName<"<function name>">, 476 HelpText<"Specify the function to be called on overflow.">; 477def fwrapv : Flag<"-fwrapv">, 478 HelpText<"Treat signed integer overflow as two's complement">; 479def pic_level : Separate<"-pic-level">, 480 HelpText<"Value for __PIC__">; 481def pthread : Flag<"-pthread">, 482 HelpText<"Support POSIX threads in generated code">; 483def fpascal_strings : Flag<"-fpascal-strings">, 484 HelpText<"Recognize and construct Pascal-style string literals">; 485def fno_rtti : Flag<"-fno-rtti">, 486 HelpText<"Disable generation of rtti information">; 487def fno_validate_pch : Flag<"-fno-validate-pch">, 488 HelpText<"Disable validation of precompiled headers">; 489def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 490 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 491def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 492 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 493def fshort_wchar : Flag<"-fshort-wchar">, 494 HelpText<"Force wchar_t to be a short unsigned int">; 495def fshort_enums : Flag<"-fshort-enums">, 496 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 497def static_define : Flag<"-static-define">, 498 HelpText<"Should __STATIC__ be defined">; 499def stack_protector : Separate<"-stack-protector">, 500 HelpText<"Enable stack protectors">; 501def fvisibility : Separate<"-fvisibility">, 502 HelpText<"Default symbol visibility">; 503def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 504 HelpText<"Give inline C++ member functions default visibility by default">; 505def ftemplate_depth : Separate<"-ftemplate-depth">, 506 HelpText<"Maximum depth of recursive template instantiation">; 507def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 508 HelpText<"Warn if a function definition returns or accepts an object larger " 509 "in bytes that a given value">; 510def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 511 Alias<Wlarge_by_value_copy>; 512def trigraphs : Flag<"-trigraphs">, 513 HelpText<"Process trigraph sequences">; 514def fwritable_strings : Flag<"-fwritable-strings">, 515 HelpText<"Store string literals as writable data">; 516def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 517 HelpText<"Ignore bit-field types when aligning structures">; 518 519//===----------------------------------------------------------------------===// 520// Header Search Options 521//===----------------------------------------------------------------------===// 522 523def nostdinc : Flag<"-nostdinc">, 524 HelpText<"Disable standard #include directories">; 525def nostdincxx : Flag<"-nostdinc++">, 526 HelpText<"Disable standard #include directories for the C++ standard library">; 527def nobuiltininc : Flag<"-nobuiltininc">, 528 HelpText<"Disable builtin #include directories">; 529def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 530 HelpText<"Add directory to framework include search path">; 531def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 532 HelpText<"Add directory to include search path">; 533def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 534 HelpText<"Add directory to AFTER include search path">; 535def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 536 HelpText<"Add directory to QUOTE include search path">; 537def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 538 HelpText<"Add directory to SYSTEM include search path">; 539def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 540 HelpText<"Add directory to SYSTEM include search path, " 541 "absolute paths are relative to -isysroot">; 542def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 543 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 544def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 545 HelpText<"Set directory to SYSTEM include search path with prefix">; 546def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 547 MetaVarName<"<dir>">, 548 HelpText<"Set directory to include search path with prefix">; 549def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 550 HelpText<"Set the system root directory (usually /)">; 551def cxx_system_include : Separate<"-cxx-system-include">, 552 HelpText<"Add a system #include directory for the C++ standard library">; 553def v : Flag<"-v">, HelpText<"Enable verbose output">; 554 555//===----------------------------------------------------------------------===// 556// Preprocessor Options 557//===----------------------------------------------------------------------===// 558 559def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 560 HelpText<"Predefine the specified macro">; 561def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 562 HelpText<"Include file before parsing">; 563def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 564 HelpText<"Include macros from file before parsing">; 565def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 566 HelpText<"Include precompiled header file">; 567def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 568 HelpText<"Include file before parsing">; 569def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 570 HelpText<"Assume that the precompiled header is a precompiled preamble " 571 "covering the first N bytes of the main file">; 572def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 573 HelpText<"Use specified token cache file">; 574def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 575 HelpText<"Undefine the specified macro">; 576def undef : Flag<"-undef">, MetaVarName<"<macro>">, 577 HelpText<"undef all system defines">; 578def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 579 HelpText<"include a detailed record of preprocessing actions">; 580 581//===----------------------------------------------------------------------===// 582// Preprocessed Output Options 583//===----------------------------------------------------------------------===// 584 585def P : Flag<"-P">, 586 HelpText<"Disable linemarker output in -E mode">; 587def C : Flag<"-C">, 588 HelpText<"Enable comment output in -E mode">; 589def CC : Flag<"-CC">, 590 HelpText<"Enable comment output in -E mode, even from macro expansions">; 591def dM : Flag<"-dM">, 592 HelpText<"Print macro definitions in -E mode instead of normal output">; 593def dD : Flag<"-dD">, 594 HelpText<"Print macro definitions in -E mode in addition to normal output">; 595 596//===----------------------------------------------------------------------===// 597// OpenCL Options 598//===----------------------------------------------------------------------===// 599 600def cl_opt_disable : Flag<"-cl-opt-disable">, 601 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 602def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 603 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 604def cl_finite_math_only : Flag<"-cl-finite-math-only">, 605 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 606def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 607 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 608def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 609 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 610def cl_mad_enable : Flag<"-cl-mad-enable">, 611 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 612def cl_std_EQ : Joined<"-cl-std=">, 613 HelpText<"OpenCL language standard to compile for">; 614