CC1Options.td revision f24a151d645abc89f94aa58ad59f3131502041b1
1//===--- CC1Options.td - Options for clang -cc1 ---------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file defines the options accepted by clang -cc1. 11// 12//===----------------------------------------------------------------------===// 13 14// Include the common option parsing interfaces. 15include "OptParser.td" 16 17//===----------------------------------------------------------------------===// 18// Target Options 19//===----------------------------------------------------------------------===// 20 21def cxx_abi : Separate<"-cxx-abi">, 22 HelpText<"Target a particular C++ ABI type">; 23def target_abi : Separate<"-target-abi">, 24 HelpText<"Target a particular ABI type">; 25def target_cpu : Separate<"-target-cpu">, 26 HelpText<"Target a specific cpu type">; 27def target_feature : Separate<"-target-feature">, 28 HelpText<"Target specific attributes">; 29def target_linker_version : Separate<"-target-linker-version">, 30 HelpText<"Target linker version">; 31def triple : Separate<"-triple">, 32 HelpText<"Specify target triple (e.g. i686-apple-darwin9)">; 33def triple_EQ : Joined<"-triple=">, Alias<triple>; 34 35//===----------------------------------------------------------------------===// 36// Analyzer Options 37//===----------------------------------------------------------------------===// 38 39def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">, 40 HelpText<"Generate unoptimized CFGs for all analyses">; 41def analysis_CFGAddImplicitDtors : Flag<"-cfg-add-implicit-dtors">, 42 HelpText<"Add C++ implicit destructors to CFGs for all analyses">; 43def analysis_CFGAddInitializers : Flag<"-cfg-add-initializers">, 44 HelpText<"Add C++ initializers to CFGs for all analyses">; 45 46def analyzer_store : Separate<"-analyzer-store">, 47 HelpText<"Source Code Analysis - Abstract Memory Store Models">; 48def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>; 49 50def analyzer_constraints : Separate<"-analyzer-constraints">, 51 HelpText<"Source Code Analysis - Symbolic Constraint Engines">; 52def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">, 53 Alias<analyzer_constraints>; 54 55def analyzer_output : Separate<"-analyzer-output">, 56 HelpText<"Source Code Analysis - Output Options">; 57def analyzer_output_EQ : Joined<"-analyzer-output=">, 58 Alias<analyzer_output>; 59 60def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 61 HelpText<"Force the static analyzer to analyze functions defined in header files">; 62def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 63 HelpText<"Analyze the definitions of blocks in addition to functions">; 64def analyzer_display_progress : Flag<"-analyzer-display-progress">, 65 HelpText<"Emit verbose output about the analyzer's progress">; 66def analyze_function : Separate<"-analyze-function">, 67 HelpText<"Run analysis on specific function">; 68def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 69def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 70 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 71def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">, 72 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">; 73def analyzer_no_eagerly_trim_egraph : Flag<"-analyzer-no-eagerly-trim-egraph">, 74 HelpText<"Don't eagerly remove uninteresting ExplodedNodes from the ExplodedGraph">; 75def trim_egraph : Flag<"-trim-egraph">, 76 HelpText<"Only show error-related paths in the analysis graph">; 77def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 78 HelpText<"Display exploded graph using GraphViz">; 79def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 80 HelpText<"Display exploded graph using Ubigraph">; 81def analyzer_inline_call : Flag<"-analyzer-inline-call">, 82 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 83def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 84 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 85def analyzer_max_loop : Separate<"-analyzer-max-loop">, 86 HelpText<"The maximum number of times the analyzer will go through a loop">; 87 88def analyzer_checker : Separate<"-analyzer-checker">, 89 HelpText<"Choose analyzer checkers to enable">; 90def analyzer_checker_EQ : Joined<"-analyzer-checker=">, 91 Alias<analyzer_checker>; 92 93def analyzer_disable_checker : Separate<"-analyzer-disable-checker">, 94 HelpText<"Choose analyzer checkers to disable">; 95def analyzer_disable_checker_EQ : Joined<"-analyzer-disable-checker=">, 96 Alias<analyzer_disable_checker>; 97 98def analyzer_checker_help : Flag<"-analyzer-checker-help">, 99 HelpText<"Display the list of analyzer checkers that are available">; 100 101//===----------------------------------------------------------------------===// 102// CodeGen Options 103//===----------------------------------------------------------------------===// 104 105def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 106 HelpText<"Don't run LLVM optimization passes">; 107def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 108 HelpText<"Don't run the LLVM IR verifier pass">; 109def disable_red_zone : Flag<"-disable-red-zone">, 110 HelpText<"Do not emit code that uses the red zone.">; 111def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 112 HelpText<"The string to embed in the Dwarf debug flags record.">; 113def fforbid_guard_variables : Flag<"-fforbid-guard-variables">, 114 HelpText<"Emit an error if a C++ static local initializer would need a guard variable">; 115def g : Flag<"-g">, HelpText<"Generate source level debug information">; 116def fno_dwarf2_cfi_asm : Flag<"-fno-dwarf2-cfi-asm">, HelpText<"Don't use the cfi directives">; 117def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 118 HelpText<"Generate runtime checks for undefined behavior.">; 119def flimit_debug_info : Flag<"-flimit-debug-info">, 120 HelpText<"Limit debug information produced to reduce size of debug binary">; 121def fno_common : Flag<"-fno-common">, 122 HelpText<"Compile common globals like normal definitions">; 123def no_implicit_float : Flag<"-no-implicit-float">, 124 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 125def finstrument_functions : Flag<"-finstrument-functions">, 126 HelpText<"Generate calls to instrument function entry and exit">; 127def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 128 HelpText<"Disallow merging of constants.">; 129def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 130 HelpText<"Do not emit code to make initialization of local statics thread safe">; 131def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 132 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 133def ffunction_sections : Flag<"-ffunction-sections">, 134 HelpText<"Place each function in its own section (ELF Only)">; 135def fdata_sections : Flag<"-fdata-sections">, 136 HelpText<"Place each data in its own section (ELF Only)">; 137def funroll_loops : Flag<"-funroll-loops">, 138 HelpText<"Turn on loop unroller">; 139def femit_coverage_notes : Flag<"-femit-coverage-notes">, 140 HelpText<"Emit a gcov coverage notes file when compiling.">; 141def femit_coverage_data: Flag<"-femit-coverage-data">, 142 HelpText<"Instrument the program to emit gcov coverage data when run.">; 143def relaxed_aliasing : Flag<"-relaxed-aliasing">, 144 HelpText<"Turn off Type Based Alias Analysis">; 145def masm_verbose : Flag<"-masm-verbose">, 146 HelpText<"Generate verbose assembly output">; 147def mcode_model : Separate<"-mcode-model">, 148 HelpText<"The code model to use">; 149def mdebug_pass : Separate<"-mdebug-pass">, 150 HelpText<"Enable additional debug output">; 151def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 152 HelpText<"Disable frame pointer elimination optimization">; 153def mfloat_abi : Separate<"-mfloat-abi">, 154 HelpText<"The float ABI to use">; 155def mlimit_float_precision : Separate<"-mlimit-float-precision">, 156 HelpText<"Limit float precision to the given value">; 157def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 158 HelpText<"Do not put zero initialized data in the BSS">; 159def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 160 HelpText<"Omit frame pointer setup for leaf functions.">; 161def msoft_float : Flag<"-msoft-float">, 162 HelpText<"Use software floating point">; 163def backend_option : Separate<"-backend-option">, 164 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">; 165def mregparm : Separate<"-mregparm">, 166 HelpText<"Limit the number of registers available for integer arguments">; 167def mrelax_all : Flag<"-mrelax-all">, 168 HelpText<"(integrated-as) Relax all machine instructions">; 169def msave_temp_labels : Flag<"-msave-temp-labels">, 170 HelpText<"(integrated-as) Save temporary labels">; 171def mrtd: Flag<"-mrtd">, 172 HelpText<"Make StdCall calling convention the default">; 173def mrelocation_model : Separate<"-mrelocation-model">, 174 HelpText<"The relocation model to use">; 175def munwind_tables : Flag<"-munwind-tables">, 176 HelpText<"Generate unwinding tables for all functions">; 177def mconstructor_aliases : Flag<"-mconstructor-aliases">, 178 HelpText<"Emit complete constructors and destructors as aliases when possible">; 179def mms_bitfields : Flag<"-mms-bitfields">, 180 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 181def O : Joined<"-O">, HelpText<"Optimization level">; 182def Os : Flag<"-Os">, HelpText<"Optimize for size">; 183def Oz : Flag<"-Oz">, HelpText<"Optimize for size, regardless of performance">; 184def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 185 186//===----------------------------------------------------------------------===// 187// Dependency Output Options 188//===----------------------------------------------------------------------===// 189 190def dependency_file : Separate<"-dependency-file">, 191 HelpText<"Filename (or -) to write dependency output to">; 192def sys_header_deps : Flag<"-sys-header-deps">, 193 HelpText<"Include system headers in dependency output">; 194def header_include_file : Separate<"-header-include-file">, 195 HelpText<"Filename (or -) to write header include output to">; 196def H : Flag<"-H">, 197 HelpText<"Show header includes and nesting depth">; 198def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 199def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 200def MP : Flag<"-MP">, 201 HelpText<"Create phony target for each dependency (other than main file)">; 202 203//===----------------------------------------------------------------------===// 204// Diagnostic Options 205//===----------------------------------------------------------------------===// 206 207def dump_build_information : Separate<"-dump-build-information">, 208 MetaVarName<"<filename>">, 209 HelpText<"output a dump of some build information to a file">; 210def diagnostic_log_file : Separate<"-diagnostic-log-file">, 211 HelpText<"Filename (or -) to log diagnostics to">; 212def fno_show_column : Flag<"-fno-show-column">, 213 HelpText<"Do not include column number on diagnostics">; 214def fno_show_source_location : Flag<"-fno-show-source-location">, 215 HelpText<"Do not include source location information with diagnostics">; 216def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 217 HelpText<"Which overload candidates to show when overload resolution fails: " 218 "best|all; defaults to all">; 219def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 220 HelpText<"Do not include source line and caret with diagnostics">; 221def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 222 HelpText<"Do not include fixit information in diagnostics">; 223def fno_diagnostics_show_note_include_stack : 224 Flag<"-fno-diagnostics-show-note-include-stack">, 225 HelpText<"Display include stacks for diagnostic notes">; 226def w : Flag<"-w">, HelpText<"Suppress all warnings">; 227def pedantic : Flag<"-pedantic">; 228def pedantic_errors : Flag<"-pedantic-errors">; 229 230// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 231// driver has stripped off -Wa,foo etc. The driver has also translated -W to 232// -Wextra, so we don't need to worry about it. 233def W : Joined<"-W">; 234 235def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 236 HelpText<"Print source range spans in numeric form">; 237def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 238 HelpText<"Print fix-its in machine parseable form">; 239def fdiagnostics_show_name : Flag<"-fdiagnostics-show-name">, 240 HelpText<"Print diagnostic name">; 241def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 242 HelpText<"Print option name with mappable diagnostics">; 243def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 244 HelpText<"Print diagnostic category">; 245def fdiagnostics_show_note_include_stack : 246 Flag<"-fdiagnostics-show-note-include-stack">, 247 HelpText<"Display include stacks for diagnostic notes">; 248def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 249 HelpText<"Set the tab stop distance.">; 250def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 251 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 252def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 253 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 254def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 255 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 256def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 257 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 258def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 259 HelpText<"Use colors in diagnostics">; 260def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 261 HelpText<"Silence ObjC rewriting warnings">; 262def verify : Flag<"-verify">, 263 HelpText<"Verify emitted diagnostics and warnings">; 264 265//===----------------------------------------------------------------------===// 266// Frontend Options 267//===----------------------------------------------------------------------===// 268 269// This isn't normally used, it is just here so we can parse a 270// CompilerInvocation out of a driver-derived argument vector. 271def cc1 : Flag<"-cc1">; 272 273def ast_merge : Separate<"-ast-merge">, 274 MetaVarName<"<ast file>">, 275 HelpText<"Merge the given AST file into the translation unit being compiled.">; 276def code_completion_at : Separate<"-code-completion-at">, 277 MetaVarName<"<file>:<line>:<column>">, 278 HelpText<"Dump code-completion information at a location">; 279def remap_file : Separate<"-remap-file">, 280 MetaVarName<"<from>;<to>">, 281 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 282def code_completion_at_EQ : Joined<"-code-completion-at=">, 283 Alias<code_completion_at>; 284def code_completion_macros : Flag<"-code-completion-macros">, 285 HelpText<"Include macros in code-completion results">; 286def code_completion_patterns : Flag<"-code-completion-patterns">, 287 HelpText<"Include code patterns in code-completion results">; 288def no_code_completion_globals : Flag<"-no-code-completion-globals">, 289 HelpText<"Do not include global declarations in code-completion results.">; 290def disable_free : Flag<"-disable-free">, 291 HelpText<"Disable freeing of memory on exit">; 292def help : Flag<"-help">, 293 HelpText<"Print this help text">; 294def _help : Flag<"--help">, Alias<help>; 295def x : Separate<"-x">, HelpText<"Input language type">; 296def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 297def load : Separate<"-load">, MetaVarName<"<dsopath>">, 298 HelpText<"Load the named plugin (dynamic shared object)">; 299def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 300 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 301def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 302 MetaVarName<"<name> <arg>">, 303 HelpText<"Pass <arg> to plugin <name>">; 304def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 305 HelpText<"Use the named plugin action in addition to the default action">; 306def resource_dir : Separate<"-resource-dir">, 307 HelpText<"The directory which holds the compiler resource files">; 308def version : Flag<"-version">, 309 HelpText<"Print the compiler version">; 310def _version : Flag<"--version">, Alias<version>; 311 312def Action_Group : OptionGroup<"<action group>">; 313let Group = Action_Group in { 314 315def Eonly : Flag<"-Eonly">, 316 HelpText<"Just run preprocessor, no output (for timings)">; 317def E : Flag<"-E">, 318 HelpText<"Run preprocessor, emit preprocessed file">; 319def dump_raw_tokens : Flag<"-dump-raw-tokens">, 320 HelpText<"Lex file in raw mode and dump raw tokens">; 321def analyze : Flag<"-analyze">, 322 HelpText<"Run static analysis engine">; 323def dump_tokens : Flag<"-dump-tokens">, 324 HelpText<"Run preprocessor, dump internal rep of tokens">; 325def init_only : Flag<"-init-only">, 326 HelpText<"Only execute frontend initialization">; 327def fsyntax_only : Flag<"-fsyntax-only">, 328 HelpText<"Run parser and perform semantic analysis">; 329def fixit : Flag<"-fixit">, 330 HelpText<"Apply fix-it advice to the input source">; 331def fixit_EQ : Joined<"-fixit=">, 332 HelpText<"Apply fix-it advice creating a file with the given suffix">; 333def print_preamble : Flag<"-print-preamble">, 334 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 335 " precompiled headers.">; 336def emit_html : Flag<"-emit-html">, 337 HelpText<"Output input source as HTML">; 338def ast_print : Flag<"-ast-print">, 339 HelpText<"Build ASTs and then pretty-print them">; 340def ast_dump : Flag<"-ast-dump">, 341 HelpText<"Build ASTs and then debug dump them">; 342def ast_dump_xml : Flag<"-ast-dump-xml">, 343 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 344def ast_view : Flag<"-ast-view">, 345 HelpText<"Build ASTs and view them with GraphViz">; 346def boostcon : Flag<"-boostcon">, 347 HelpText<"BoostCon workshop mode">; 348def print_decl_contexts : Flag<"-print-decl-contexts">, 349 HelpText<"Print DeclContexts and their Decls">; 350def emit_pth : Flag<"-emit-pth">, 351 HelpText<"Generate pre-tokenized header file">; 352def emit_pch : Flag<"-emit-pch">, 353 HelpText<"Generate pre-compiled header file">; 354def S : Flag<"-S">, 355 HelpText<"Emit native assembly code">; 356def emit_llvm : Flag<"-emit-llvm">, 357 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 358def emit_llvm_bc : Flag<"-emit-llvm-bc">, 359 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 360def emit_llvm_only : Flag<"-emit-llvm-only">, 361 HelpText<"Build ASTs and convert to LLVM, discarding output">; 362def emit_codegen_only : Flag<"-emit-codegen-only">, 363 HelpText<"Generate machine code, but discard output">; 364def emit_obj : Flag<"-emit-obj">, 365 HelpText<"Emit native object files">; 366def rewrite_test : Flag<"-rewrite-test">, 367 HelpText<"Rewriter playground">; 368def rewrite_objc : Flag<"-rewrite-objc">, 369 HelpText<"Rewrite ObjC into C (code rewriter example)">; 370def rewrite_macros : Flag<"-rewrite-macros">, 371 HelpText<"Expand macros without full preprocessing">; 372 373def create_module : Flag<"-create-module">, 374 HelpText<"Create a module definition file">; 375} 376 377def import_module : Separate<"-import-module">, 378 HelpText<"Import a module definition file">; 379 380def working_directory : JoinedOrSeparate<"-working-directory">, 381 HelpText<"Resolve file paths relative to the specified directory">; 382def working_directory_EQ : Joined<"-working-directory=">, 383 Alias<working_directory>; 384 385def relocatable_pch : Flag<"-relocatable-pch">, 386 HelpText<"Whether to build a relocatable precompiled header">; 387def chained_pch : Flag<"-chained-pch">, 388 HelpText<"Whether to chain the new precompiled header to the old one.">; 389def print_stats : Flag<"-print-stats">, 390 HelpText<"Print performance metrics and statistics">; 391def ftime_report : Flag<"-ftime-report">, 392 HelpText<"Print the amount of time each phase of compilation takes">; 393def fdump_record_layouts : Flag<"-fdump-record-layouts">, 394 HelpText<"Dump record layout information">; 395def fix_what_you_can : Flag<"-fix-what-you-can">, 396 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 397 398// Generic forwarding to LLVM options. This should only be used for debugging 399// and experimental features. 400def mllvm : Separate<"-mllvm">, 401 HelpText<"Additional arguments to forward to LLVM's option processing">; 402 403//===----------------------------------------------------------------------===// 404// Language Options 405//===----------------------------------------------------------------------===// 406 407def fno_builtin : Flag<"-fno-builtin">, 408 HelpText<"Disable implicit builtin knowledge of functions">; 409def faltivec : Flag<"-faltivec">, 410 HelpText<"Enable AltiVec vector initializer syntax">; 411def fno_access_control : Flag<"-fno-access-control">, 412 HelpText<"Disable C++ access control">; 413def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 414 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 415def fgnu_keywords : Flag<"-fgnu-keywords">, 416 HelpText<"Allow GNU-extension keywords regardless of language standard">; 417def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 418 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 419def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 420 HelpText<"Allow '$' in identifiers">; 421def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 422 HelpText<"Disallow '$' in identifiers">; 423def femit_all_decls : Flag<"-femit-all-decls">, 424 HelpText<"Emit all declarations, even if unused">; 425def fblocks : Flag<"-fblocks">, 426 HelpText<"enable the 'blocks' language feature">; 427def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 428def fexceptions : Flag<"-fexceptions">, 429 HelpText<"Enable support for exception handling">; 430def fobjc_exceptions : Flag<"-fobjc-exceptions">, 431 HelpText<"Enable Objective-C exceptions">; 432def fcxx_exceptions : Flag<"-fcxx-exceptions">, 433 HelpText<"Enable C++ exceptions">; 434def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 435 HelpText<"Use SjLj style exceptions">; 436def ffreestanding : Flag<"-ffreestanding">, 437 HelpText<"Assert that the compilation takes place in a freestanding environment">; 438def fgnu_runtime : Flag<"-fgnu-runtime">, 439 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 440def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 441 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 442def std_EQ : Joined<"-std=">, 443 HelpText<"Language standard to compile for">; 444def fmath_errno : Flag<"-fmath-errno">, 445 HelpText<"Require math functions to indicate errors by setting errno">; 446def fms_extensions : Flag<"-fms-extensions">, 447 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 448def fmsc_version : Joined<"-fmsc-version=">, 449 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 450def fborland_extensions : Flag<"-fborland-extensions">, 451 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 452def main_file_name : Separate<"-main-file-name">, 453 HelpText<"Main file name to use for debug info">; 454def fno_elide_constructors : Flag<"-fno-elide-constructors">, 455 HelpText<"Disable C++ copy constructor elision">; 456def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 457 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 458def fno_operator_names : Flag<"-fno-operator-names">, 459 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 460def fno_signed_char : Flag<"-fno-signed-char">, 461 HelpText<"Char is unsigned">; 462def fno_spell_checking : Flag<"-fno-spell-checking">, 463 HelpText<"Disable spell-checking">; 464def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 465 HelpText<"Don't use __cxa_atexit for calling destructors">; 466def fconstant_string_class : Separate<"-fconstant-string-class">, 467 MetaVarName<"<class name>">, 468 HelpText<"Specify the class to use for constant Objective-C string objects.">; 469def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 470 HelpText<"Enable creation of CodeFoundation-type constant strings">; 471def fobjc_gc : Flag<"-fobjc-gc">, 472 HelpText<"Enable Objective-C garbage collection">; 473def fobjc_gc_only : Flag<"-fobjc-gc-only">, 474 HelpText<"Use GC exclusively for Objective-C related memory management">; 475def fapple_kext : Flag<"-fapple-kext">, 476 HelpText<"Use Apple's kernel extensions ABI">; 477def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 478 HelpText<"Objective-C dispatch method to use">; 479def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 480 HelpText<"enable the default synthesis of Objective-C properties">; 481def print_ivar_layout : Flag<"-print-ivar-layout">, 482 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 483def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 484 HelpText<"enable objective-c's nonfragile abi">; 485def ftrapv : Flag<"-ftrapv">, 486 HelpText<"Trap on integer overflow">; 487def ftrapv_handler : Separate<"-ftrapv-handler">, 488 MetaVarName<"<function name>">, 489 HelpText<"Specify the function to be called on overflow.">; 490def fwrapv : Flag<"-fwrapv">, 491 HelpText<"Treat signed integer overflow as two's complement">; 492def pic_level : Separate<"-pic-level">, 493 HelpText<"Value for __PIC__">; 494def pthread : Flag<"-pthread">, 495 HelpText<"Support POSIX threads in generated code">; 496def fpascal_strings : Flag<"-fpascal-strings">, 497 HelpText<"Recognize and construct Pascal-style string literals">; 498def fno_rtti : Flag<"-fno-rtti">, 499 HelpText<"Disable generation of rtti information">; 500def fno_validate_pch : Flag<"-fno-validate-pch">, 501 HelpText<"Disable validation of precompiled headers">; 502def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 503 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 504def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 505 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 506def fshort_wchar : Flag<"-fshort-wchar">, 507 HelpText<"Force wchar_t to be a short unsigned int">; 508def fshort_enums : Flag<"-fshort-enums">, 509 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 510def static_define : Flag<"-static-define">, 511 HelpText<"Should __STATIC__ be defined">; 512def stack_protector : Separate<"-stack-protector">, 513 HelpText<"Enable stack protectors">; 514def fvisibility : Separate<"-fvisibility">, 515 HelpText<"Default symbol visibility">; 516def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 517 HelpText<"Give inline C++ member functions default visibility by default">; 518def ftemplate_depth : Separate<"-ftemplate-depth">, 519 HelpText<"Maximum depth of recursive template instantiation">; 520def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 521 HelpText<"Warn if a function definition returns or accepts an object larger " 522 "in bytes that a given value">; 523def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 524 Alias<Wlarge_by_value_copy>; 525def trigraphs : Flag<"-trigraphs">, 526 HelpText<"Process trigraph sequences">; 527def fwritable_strings : Flag<"-fwritable-strings">, 528 HelpText<"Store string literals as writable data">; 529def fconst_strings : Flag<"-fconst-strings">, 530 HelpText<"Use a const qualified type for string literals in C and ObjC">; 531def fno_const_strings : Flag<"-fno-const-strings">, 532 HelpText<"Don't use a const qualified type for string literals in C and ObjC">; 533def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 534 HelpText<"Ignore bit-field types when aligning structures">; 535def traditional_cpp : Flag<"-traditional-cpp">, 536 HelpText<"Enable some traditional CPP emulation">; 537def ffake_address_space_map : Flag<"-ffake-address-space-map">, 538 HelpText<"Use a fake address space map; OpenCL testing purposes only">; 539def fdelayed_template_parsing : Flag<"-fdelayed-template-parsing">, 540 HelpText<"Parse templated function definitions at the end of the " 541 "translation unit ">; 542def funknown_anytype : Flag<"-funknown-anytype">, 543 HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">; 544def fdeprecated_macro : Flag<"-fdeprecated-macro">, 545 HelpText<"Defines the __DEPRECATED macro">; 546def fno_deprecated_macro : Flag<"-fno-deprecated-macro">, 547 HelpText<"Undefines the __DEPRECATED macro">; 548 549//===----------------------------------------------------------------------===// 550// Header Search Options 551//===----------------------------------------------------------------------===// 552 553def nostdinc : Flag<"-nostdinc">, 554 HelpText<"Disable standard #include directories">; 555def nostdincxx : Flag<"-nostdinc++">, 556 HelpText<"Disable standard #include directories for the C++ standard library">; 557def nobuiltininc : Flag<"-nobuiltininc">, 558 HelpText<"Disable builtin #include directories">; 559def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 560 HelpText<"Add directory to framework include search path">; 561def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 562 HelpText<"Add directory to include search path">; 563def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 564 HelpText<"Add directory to AFTER include search path">; 565def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 566 HelpText<"Add directory to QUOTE include search path">; 567def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 568 HelpText<"Add directory to the C++ SYSTEM include search path">; 569def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 570 HelpText<"Add directory to SYSTEM include search path">; 571def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 572 HelpText<"Add directory to SYSTEM include search path, " 573 "absolute paths are relative to -isysroot">; 574def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 575 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 576def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 577 HelpText<"Set directory to SYSTEM include search path with prefix">; 578def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 579 MetaVarName<"<dir>">, 580 HelpText<"Set directory to include search path with prefix">; 581def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 582 HelpText<"Set the system root directory (usually /)">; 583def v : Flag<"-v">, HelpText<"Enable verbose output">; 584 585//===----------------------------------------------------------------------===// 586// Preprocessor Options 587//===----------------------------------------------------------------------===// 588 589def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 590 HelpText<"Predefine the specified macro">; 591def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 592 HelpText<"Include file before parsing">; 593def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 594 HelpText<"Include macros from file before parsing">; 595def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 596 HelpText<"Include precompiled header file">; 597def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 598 HelpText<"Include file before parsing">; 599def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 600 HelpText<"Include and chain a header file after turning it into PCH">; 601def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 602 HelpText<"Assume that the precompiled header is a precompiled preamble " 603 "covering the first N bytes of the main file">; 604def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 605 HelpText<"Use specified token cache file">; 606def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 607 HelpText<"Undefine the specified macro">; 608def undef : Flag<"-undef">, MetaVarName<"<macro>">, 609 HelpText<"undef all system defines">; 610def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 611 HelpText<"include a detailed record of preprocessing actions">; 612 613//===----------------------------------------------------------------------===// 614// Preprocessed Output Options 615//===----------------------------------------------------------------------===// 616 617def P : Flag<"-P">, 618 HelpText<"Disable linemarker output in -E mode">; 619def C : Flag<"-C">, 620 HelpText<"Enable comment output in -E mode">; 621def CC : Flag<"-CC">, 622 HelpText<"Enable comment output in -E mode, even from macro expansions">; 623def dM : Flag<"-dM">, 624 HelpText<"Print macro definitions in -E mode instead of normal output">; 625def dD : Flag<"-dD">, 626 HelpText<"Print macro definitions in -E mode in addition to normal output">; 627 628//===----------------------------------------------------------------------===// 629// OpenCL Options 630//===----------------------------------------------------------------------===// 631 632def cl_opt_disable : Flag<"-cl-opt-disable">, 633 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 634def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 635 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 636def cl_finite_math_only : Flag<"-cl-finite-math-only">, 637 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 638def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 639 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 640def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 641 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 642def cl_mad_enable : Flag<"-cl-mad-enable">, 643 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 644def cl_std_EQ : Joined<"-cl-std=">, 645 HelpText<"OpenCL language standard to compile for">; 646