CC1Options.td revision 8ee51ef211bfed9ce04bc93835e19aee014f2fae
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">, 117 HelpText<"Don't use the cfi directives">; 118def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 119 HelpText<"Generate runtime checks for undefined behavior.">; 120def flimit_debug_info : Flag<"-flimit-debug-info">, 121 HelpText<"Limit debug information produced to reduce size of debug binary">; 122def fno_common : Flag<"-fno-common">, 123 HelpText<"Compile common globals like normal definitions">; 124def no_implicit_float : Flag<"-no-implicit-float">, 125 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 126def finstrument_functions : Flag<"-finstrument-functions">, 127 HelpText<"Generate calls to instrument function entry and exit">; 128def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 129 HelpText<"Disallow merging of constants.">; 130def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 131 HelpText<"Do not emit code to make initialization of local statics thread safe">; 132def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 133 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 134def ffunction_sections : Flag<"-ffunction-sections">, 135 HelpText<"Place each function in its own section (ELF Only)">; 136def fdata_sections : Flag<"-fdata-sections">, 137 HelpText<"Place each data in its own section (ELF Only)">; 138def funroll_loops : Flag<"-funroll-loops">, 139 HelpText<"Turn on loop unroller">; 140def femit_coverage_notes : Flag<"-femit-coverage-notes">, 141 HelpText<"Emit a gcov coverage notes file when compiling.">; 142def femit_coverage_data: Flag<"-femit-coverage-data">, 143 HelpText<"Instrument the program to emit gcov coverage data when run.">; 144def coverage_file : Separate<"-coverage-file">, 145 HelpText<"Emit coverage data to this filename. The extension will be replaced.">; 146def coverage_file_EQ : Joined<"-coverage-file=">, Alias<coverage_file>; 147def fuse_register_sized_bitfield_access: Flag<"-fuse-register-sized-bitfield-access">, 148 HelpText<"Use register sized accesses to bit-fields, when possible.">; 149def relaxed_aliasing : Flag<"-relaxed-aliasing">, 150 HelpText<"Turn off Type Based Alias Analysis">; 151def masm_verbose : Flag<"-masm-verbose">, 152 HelpText<"Generate verbose assembly output">; 153def mcode_model : Separate<"-mcode-model">, 154 HelpText<"The code model to use">; 155def mdebug_pass : Separate<"-mdebug-pass">, 156 HelpText<"Enable additional debug output">; 157def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 158 HelpText<"Disable frame pointer elimination optimization">; 159def mfloat_abi : Separate<"-mfloat-abi">, 160 HelpText<"The float ABI to use">; 161def mno_global_merge : Flag<"-mno-global-merge">, 162 HelpText<"Disable merging of globals">; 163def mlimit_float_precision : Separate<"-mlimit-float-precision">, 164 HelpText<"Limit float precision to the given value">; 165def mno_exec_stack : Flag<"-mnoexecstack">, 166 HelpText<"Mark the file as not needing an executable stack">; 167def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 168 HelpText<"Do not put zero initialized data in the BSS">; 169def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 170 HelpText<"Omit frame pointer setup for leaf functions.">; 171def msoft_float : Flag<"-msoft-float">, 172 HelpText<"Use software floating point">; 173def backend_option : Separate<"-backend-option">, 174 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">; 175def mregparm : Separate<"-mregparm">, 176 HelpText<"Limit the number of registers available for integer arguments">; 177def mrelax_all : Flag<"-mrelax-all">, 178 HelpText<"(integrated-as) Relax all machine instructions">; 179def msave_temp_labels : Flag<"-msave-temp-labels">, 180 HelpText<"(integrated-as) Save temporary labels">; 181def mrtd: Flag<"-mrtd">, 182 HelpText<"Make StdCall calling convention the default">; 183def mrelocation_model : Separate<"-mrelocation-model">, 184 HelpText<"The relocation model to use">; 185def munwind_tables : Flag<"-munwind-tables">, 186 HelpText<"Generate unwinding tables for all functions">; 187def mconstructor_aliases : Flag<"-mconstructor-aliases">, 188 HelpText<"Emit complete constructors and destructors as aliases when possible">; 189def mms_bitfields : Flag<"-mms-bitfields">, 190 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 191def mstackrealign : Flag<"-mstackrealign">, 192 HelpText<"Force realign the stack at entry to every function.">; 193def O : Joined<"-O">, HelpText<"Optimization level">; 194def Os : Flag<"-Os">, HelpText<"Optimize for size">; 195def Oz : Flag<"-Oz">, HelpText<"Optimize for size, regardless of performance">; 196def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 197 198//===----------------------------------------------------------------------===// 199// Dependency Output Options 200//===----------------------------------------------------------------------===// 201 202def dependency_file : Separate<"-dependency-file">, 203 HelpText<"Filename (or -) to write dependency output to">; 204def sys_header_deps : Flag<"-sys-header-deps">, 205 HelpText<"Include system headers in dependency output">; 206def header_include_file : Separate<"-header-include-file">, 207 HelpText<"Filename (or -) to write header include output to">; 208def H : Flag<"-H">, 209 HelpText<"Show header includes and nesting depth">; 210def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 211def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 212def MP : Flag<"-MP">, 213 HelpText<"Create phony target for each dependency (other than main file)">; 214def MG : Flag<"-MG">, HelpText<"Add missing headers to dependency list">; 215 216//===----------------------------------------------------------------------===// 217// Diagnostic Options 218//===----------------------------------------------------------------------===// 219 220def dump_build_information : Separate<"-dump-build-information">, 221 MetaVarName<"<filename>">, 222 HelpText<"output a dump of some build information to a file">; 223def diagnostic_log_file : Separate<"-diagnostic-log-file">, 224 HelpText<"Filename (or -) to log diagnostics to">; 225def fno_show_column : Flag<"-fno-show-column">, 226 HelpText<"Do not include column number on diagnostics">; 227def fshow_column : Flag<"-fshow-column">, 228 HelpText<"Include column number on diagnostics">; 229def fno_show_source_location : Flag<"-fno-show-source-location">, 230 HelpText<"Do not include source location information with diagnostics">; 231def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 232 HelpText<"Which overload candidates to show when overload resolution fails: " 233 "best|all; defaults to all">; 234def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 235 HelpText<"Do not include source line and caret with diagnostics">; 236def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 237 HelpText<"Do not include fixit information in diagnostics">; 238def fno_diagnostics_show_note_include_stack : 239 Flag<"-fno-diagnostics-show-note-include-stack">, 240 HelpText<"Display include stacks for diagnostic notes">; 241def w : Flag<"-w">, HelpText<"Suppress all warnings">; 242def pedantic : Flag<"-pedantic">; 243def pedantic_errors : Flag<"-pedantic-errors">; 244 245// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 246// driver has stripped off -Wa,foo etc. The driver has also translated -W to 247// -Wextra, so we don't need to worry about it. 248def W : Joined<"-W">; 249 250def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 251 HelpText<"Print source range spans in numeric form">; 252def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 253 HelpText<"Print fix-its in machine parseable form">; 254def fdiagnostics_show_name : Flag<"-fdiagnostics-show-name">, 255 HelpText<"Print diagnostic name">; 256def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 257 HelpText<"Print option name with mappable diagnostics">; 258def fdiagnostics_format : Separate<"-fdiagnostics-format">, 259 HelpText<"Change diagnostic formatting to match IDE and command line tools">; 260def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 261 HelpText<"Print diagnostic category">; 262def fdiagnostics_show_note_include_stack : 263 Flag<"-fdiagnostics-show-note-include-stack">, 264 HelpText<"Display include stacks for diagnostic notes">; 265def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 266 HelpText<"Set the tab stop distance.">; 267def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 268 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 269def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 270 HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">; 271def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 272 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 273def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 274 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 275def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 276 HelpText<"Use colors in diagnostics">; 277def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 278 HelpText<"Silence ObjC rewriting warnings">; 279def verify : Flag<"-verify">, 280 HelpText<"Verify emitted diagnostics and warnings">; 281 282//===----------------------------------------------------------------------===// 283// Frontend Options 284//===----------------------------------------------------------------------===// 285 286// This isn't normally used, it is just here so we can parse a 287// CompilerInvocation out of a driver-derived argument vector. 288def cc1 : Flag<"-cc1">; 289 290def ast_merge : Separate<"-ast-merge">, 291 MetaVarName<"<ast file>">, 292 HelpText<"Merge the given AST file into the translation unit being compiled.">; 293def code_completion_at : Separate<"-code-completion-at">, 294 MetaVarName<"<file>:<line>:<column>">, 295 HelpText<"Dump code-completion information at a location">; 296def remap_file : Separate<"-remap-file">, 297 MetaVarName<"<from>;<to>">, 298 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 299def code_completion_at_EQ : Joined<"-code-completion-at=">, 300 Alias<code_completion_at>; 301def code_completion_macros : Flag<"-code-completion-macros">, 302 HelpText<"Include macros in code-completion results">; 303def code_completion_patterns : Flag<"-code-completion-patterns">, 304 HelpText<"Include code patterns in code-completion results">; 305def no_code_completion_globals : Flag<"-no-code-completion-globals">, 306 HelpText<"Do not include global declarations in code-completion results.">; 307def disable_free : Flag<"-disable-free">, 308 HelpText<"Disable freeing of memory on exit">; 309def help : Flag<"-help">, 310 HelpText<"Print this help text">; 311def _help : Flag<"--help">, Alias<help>; 312def x : Separate<"-x">, HelpText<"Input language type">; 313def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 314def load : Separate<"-load">, MetaVarName<"<dsopath>">, 315 HelpText<"Load the named plugin (dynamic shared object)">; 316def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 317 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 318def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 319 MetaVarName<"<name> <arg>">, 320 HelpText<"Pass <arg> to plugin <name>">; 321def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 322 HelpText<"Use the named plugin action in addition to the default action">; 323def resource_dir : Separate<"-resource-dir">, 324 HelpText<"The directory which holds the compiler resource files">; 325def version : Flag<"-version">, 326 HelpText<"Print the compiler version">; 327def _version : Flag<"--version">, Alias<version>; 328 329def Action_Group : OptionGroup<"<action group>">; 330let Group = Action_Group in { 331 332def Eonly : Flag<"-Eonly">, 333 HelpText<"Just run preprocessor, no output (for timings)">; 334def E : Flag<"-E">, 335 HelpText<"Run preprocessor, emit preprocessed file">; 336def dump_raw_tokens : Flag<"-dump-raw-tokens">, 337 HelpText<"Lex file in raw mode and dump raw tokens">; 338def analyze : Flag<"-analyze">, 339 HelpText<"Run static analysis engine">; 340def dump_tokens : Flag<"-dump-tokens">, 341 HelpText<"Run preprocessor, dump internal rep of tokens">; 342def init_only : Flag<"-init-only">, 343 HelpText<"Only execute frontend initialization">; 344def fsyntax_only : Flag<"-fsyntax-only">, 345 HelpText<"Run parser and perform semantic analysis">; 346def fixit : Flag<"-fixit">, 347 HelpText<"Apply fix-it advice to the input source">; 348def fixit_EQ : Joined<"-fixit=">, 349 HelpText<"Apply fix-it advice creating a file with the given suffix">; 350def print_preamble : Flag<"-print-preamble">, 351 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 352 " precompiled headers.">; 353def emit_html : Flag<"-emit-html">, 354 HelpText<"Output input source as HTML">; 355def ast_print : Flag<"-ast-print">, 356 HelpText<"Build ASTs and then pretty-print them">; 357def ast_dump : Flag<"-ast-dump">, 358 HelpText<"Build ASTs and then debug dump them">; 359def ast_dump_xml : Flag<"-ast-dump-xml">, 360 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 361def ast_view : Flag<"-ast-view">, 362 HelpText<"Build ASTs and view them with GraphViz">; 363def print_decl_contexts : Flag<"-print-decl-contexts">, 364 HelpText<"Print DeclContexts and their Decls">; 365def emit_module : Flag<"-emit-module">, 366 HelpText<"Generate pre-compiled module file">; 367def emit_pth : Flag<"-emit-pth">, 368 HelpText<"Generate pre-tokenized header file">; 369def emit_pch : Flag<"-emit-pch">, 370 HelpText<"Generate pre-compiled header file">; 371def S : Flag<"-S">, 372 HelpText<"Emit native assembly code">; 373def emit_llvm : Flag<"-emit-llvm">, 374 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 375def emit_llvm_bc : Flag<"-emit-llvm-bc">, 376 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 377def emit_llvm_only : Flag<"-emit-llvm-only">, 378 HelpText<"Build ASTs and convert to LLVM, discarding output">; 379def emit_codegen_only : Flag<"-emit-codegen-only">, 380 HelpText<"Generate machine code, but discard output">; 381def emit_obj : Flag<"-emit-obj">, 382 HelpText<"Emit native object files">; 383def rewrite_test : Flag<"-rewrite-test">, 384 HelpText<"Rewriter playground">; 385def rewrite_objc : Flag<"-rewrite-objc">, 386 HelpText<"Rewrite ObjC into C (code rewriter example)">; 387def rewrite_macros : Flag<"-rewrite-macros">, 388 HelpText<"Expand macros without full preprocessing">; 389 390def create_module : Flag<"-create-module">, 391 HelpText<"Create a module definition file">; 392} 393 394def arcmt_check : Flag<"-arcmt-check">, 395 HelpText<"Check for ARC migration issues that need manual handling">; 396def arcmt_modify : Flag<"-arcmt-modify">, 397 HelpText<"Apply modifications to files to conform to ARC">; 398def arcmt_migrate : Flag<"-arcmt-migrate">, 399 HelpText<"Apply modifications and produces temporary files that conform to ARC">; 400def arcmt_migrate_directory : Separate<"-arcmt-migrate-directory">, 401 HelpText<"Directory for temporary files produced during ARC migration">; 402def arcmt_migrate_report_output : Separate<"-arcmt-migrate-report-output">, 403 HelpText<"Output path for the plist report">; 404def arcmt_migrate_emit_arc_errors : Flag<"-arcmt-migrate-emit-errors">, 405 HelpText<"Emit ARC errors even if the migrator can fix them">; 406 407def working_directory : JoinedOrSeparate<"-working-directory">, 408 HelpText<"Resolve file paths relative to the specified directory">; 409def working_directory_EQ : Joined<"-working-directory=">, 410 Alias<working_directory>; 411 412def relocatable_pch : Flag<"-relocatable-pch">, 413 HelpText<"Whether to build a relocatable precompiled header">; 414def print_stats : Flag<"-print-stats">, 415 HelpText<"Print performance metrics and statistics">; 416def ftime_report : Flag<"-ftime-report">, 417 HelpText<"Print the amount of time each phase of compilation takes">; 418def fdump_record_layouts : Flag<"-fdump-record-layouts">, 419 HelpText<"Dump record layout information">; 420def fix_what_you_can : Flag<"-fix-what-you-can">, 421 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 422 423// Generic forwarding to LLVM options. This should only be used for debugging 424// and experimental features. 425def mllvm : Separate<"-mllvm">, 426 HelpText<"Additional arguments to forward to LLVM's option processing">; 427 428//===----------------------------------------------------------------------===// 429// Language Options 430//===----------------------------------------------------------------------===// 431 432def fno_builtin : Flag<"-fno-builtin">, 433 HelpText<"Disable implicit builtin knowledge of functions">; 434def faltivec : Flag<"-faltivec">, 435 HelpText<"Enable AltiVec vector initializer syntax">; 436def fno_access_control : Flag<"-fno-access-control">, 437 HelpText<"Disable C++ access control">; 438def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 439 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 440def fgnu_keywords : Flag<"-fgnu-keywords">, 441 HelpText<"Allow GNU-extension keywords regardless of language standard">; 442def fgnu89_inline : Flag<"-fgnu89-inline">, 443 HelpText<"Use the gnu89 inline semantics">; 444def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 445 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 446def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 447 HelpText<"Allow '$' in identifiers">; 448def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 449 HelpText<"Disallow '$' in identifiers">; 450def femit_all_decls : Flag<"-femit-all-decls">, 451 HelpText<"Emit all declarations, even if unused">; 452def fblocks : Flag<"-fblocks">, 453 HelpText<"Enable the 'blocks' language feature">; 454def fblocks_runtime_optional : Flag<"-fblocks-runtime-optional">, 455 HelpText<"Weakly link in the blocks runtime">; 456def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 457def fexceptions : Flag<"-fexceptions">, 458 HelpText<"Enable support for exception handling">; 459def fobjc_exceptions : Flag<"-fobjc-exceptions">, 460 HelpText<"Enable Objective-C exceptions">; 461def fcxx_exceptions : Flag<"-fcxx-exceptions">, 462 HelpText<"Enable C++ exceptions">; 463def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 464 HelpText<"Use SjLj style exceptions">; 465def ffreestanding : Flag<"-ffreestanding">, 466 HelpText<"Assert that the compilation takes place in a freestanding environment">; 467def fgnu_runtime : Flag<"-fgnu-runtime">, 468 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 469def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 470 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 471def std_EQ : Joined<"-std=">, 472 HelpText<"Language standard to compile for">; 473def stdlib_EQ : Joined<"-stdlib=">, 474 HelpText<"C++ standard library to use">; 475def fmath_errno : Flag<"-fmath-errno">, 476 HelpText<"Require math functions to indicate errors by setting errno">; 477def fms_extensions : Flag<"-fms-extensions">, 478 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 479def fmsc_version : Joined<"-fmsc-version=">, 480 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 481def fborland_extensions : Flag<"-fborland-extensions">, 482 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 483def main_file_name : Separate<"-main-file-name">, 484 HelpText<"Main file name to use for debug info">; 485def fno_elide_constructors : Flag<"-fno-elide-constructors">, 486 HelpText<"Disable C++ copy constructor elision">; 487def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 488 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 489def fno_operator_names : Flag<"-fno-operator-names">, 490 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 491def fno_signed_char : Flag<"-fno-signed-char">, 492 HelpText<"Char is unsigned">; 493def fno_spell_checking : Flag<"-fno-spell-checking">, 494 HelpText<"Disable spell-checking">; 495def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 496 HelpText<"Don't use __cxa_atexit for calling destructors">; 497def fconstant_string_class : Separate<"-fconstant-string-class">, 498 MetaVarName<"<class name>">, 499 HelpText<"Specify the class to use for constant Objective-C string objects.">; 500def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 501 HelpText<"Enable creation of CodeFoundation-type constant strings">; 502def fobjc_arc : Flag<"-fobjc-arc">, 503 HelpText<"Synthesize retain and release calls for Objective-C pointers">; 504def fobjc_arc_cxxlib_EQ : Joined<"-fobjc-arc-cxxlib=">, 505 HelpText<"Objective-C++ Automatic Reference Counting standard library kind">; 506def fobjc_arc_exceptions : Flag<"-fobjc-arc-exceptions">, 507 HelpText<"Use EH-safe code when synthesizing retains and releases in -fobjc-arc">; 508def fobjc_runtime_has_arc : Flag<"-fobjc-runtime-has-arc">, 509 HelpText<"The target Objective-C runtime provides ARC entrypoints">; 510def fobjc_runtime_has_weak : Flag<"-fobjc-runtime-has-weak">, 511 HelpText<"The target Objective-C runtime supports ARC weak operations">; 512def fobjc_runtime_has_terminate : Flag<"-fobjc-runtime-has-terminate">, 513 HelpText<"The target Objective-C runtime provides an objc_terminate entrypoint">; 514def fobjc_gc : Flag<"-fobjc-gc">, 515 HelpText<"Enable Objective-C garbage collection">; 516def fobjc_gc_only : Flag<"-fobjc-gc-only">, 517 HelpText<"Use GC exclusively for Objective-C related memory management">; 518def fapple_kext : Flag<"-fapple-kext">, 519 HelpText<"Use Apple's kernel extensions ABI">; 520def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 521 HelpText<"Objective-C dispatch method to use">; 522def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 523 HelpText<"enable the default synthesis of Objective-C properties">; 524def print_ivar_layout : Flag<"-print-ivar-layout">, 525 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 526def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 527 HelpText<"enable objective-c's nonfragile abi">; 528def fno_objc_infer_related_result_type : Flag< 529 "-fno-objc-infer-related-result-type">, 530 HelpText< 531 "do not infer Objective-C related result type based on method family">; 532def ftrapv : Flag<"-ftrapv">, 533 HelpText<"Trap on integer overflow">; 534def ftrapv_handler : Separate<"-ftrapv-handler">, 535 MetaVarName<"<function name>">, 536 HelpText<"Specify the function to be called on overflow.">; 537def fwrapv : Flag<"-fwrapv">, 538 HelpText<"Treat signed integer overflow as two's complement">; 539def pic_level : Separate<"-pic-level">, 540 HelpText<"Value for __PIC__">; 541def pthread : Flag<"-pthread">, 542 HelpText<"Support POSIX threads in generated code">; 543def fpascal_strings : Flag<"-fpascal-strings">, 544 HelpText<"Recognize and construct Pascal-style string literals">; 545def fno_rtti : Flag<"-fno-rtti">, 546 HelpText<"Disable generation of rtti information">; 547def fno_validate_pch : Flag<"-fno-validate-pch">, 548 HelpText<"Disable validation of precompiled headers">; 549def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 550 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 551def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 552 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 553def fshort_wchar : Flag<"-fshort-wchar">, 554 HelpText<"Force wchar_t to be a short unsigned int">; 555def fshort_enums : Flag<"-fshort-enums">, 556 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 557def static_define : Flag<"-static-define">, 558 HelpText<"Should __STATIC__ be defined">; 559def stack_protector : Separate<"-stack-protector">, 560 HelpText<"Enable stack protectors">; 561def fvisibility : Separate<"-fvisibility">, 562 HelpText<"Default symbol visibility">; 563def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 564 HelpText<"Give inline C++ member functions default visibility by default">; 565def ftemplate_depth : Separate<"-ftemplate-depth">, 566 HelpText<"Maximum depth of recursive template instantiation">; 567def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 568 HelpText<"Warn if a function definition returns or accepts an object larger " 569 "in bytes that a given value">; 570def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 571 Alias<Wlarge_by_value_copy>; 572def trigraphs : Flag<"-trigraphs">, 573 HelpText<"Process trigraph sequences">; 574def fwritable_strings : Flag<"-fwritable-strings">, 575 HelpText<"Store string literals as writable data">; 576def fconst_strings : Flag<"-fconst-strings">, 577 HelpText<"Use a const qualified type for string literals in C and ObjC">; 578def fno_const_strings : Flag<"-fno-const-strings">, 579 HelpText<"Don't use a const qualified type for string literals in C and ObjC">; 580def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 581 HelpText<"Ignore bit-field types when aligning structures">; 582def traditional_cpp : Flag<"-traditional-cpp">, 583 HelpText<"Enable some traditional CPP emulation">; 584def ffake_address_space_map : Flag<"-ffake-address-space-map">, 585 HelpText<"Use a fake address space map; OpenCL testing purposes only">; 586def fdelayed_template_parsing : Flag<"-fdelayed-template-parsing">, 587 HelpText<"Parse templated function definitions at the end of the " 588 "translation unit ">; 589def funknown_anytype : Flag<"-funknown-anytype">, 590 HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">; 591def fdebugger_support : Flag<"-fdebugger-support">, 592 HelpText<"Enable special debugger support behavior">; 593def fdeprecated_macro : Flag<"-fdeprecated-macro">, 594 HelpText<"Defines the __DEPRECATED macro">; 595def fno_deprecated_macro : Flag<"-fno-deprecated-macro">, 596 HelpText<"Undefines the __DEPRECATED macro">; 597 598//===----------------------------------------------------------------------===// 599// Header Search Options 600//===----------------------------------------------------------------------===// 601 602def nostdinc : Flag<"-nostdinc">, 603 HelpText<"Disable standard #include directories">; 604def nostdincxx : Flag<"-nostdinc++">, 605 HelpText<"Disable standard #include directories for the C++ standard library">; 606def nobuiltininc : Flag<"-nobuiltininc">, 607 HelpText<"Disable builtin #include directories">; 608def fmodule_cache_path : Separate<"-fmodule-cache-path">, 609 MetaVarName<"<directory>">, 610 HelpText<"Specify the module cache path">; 611def fdisable_module_hash : Flag<"-fdisable-module-hash">, 612 HelpText<"Disable the module hash">; 613 614def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 615 HelpText<"Add directory to framework include search path">; 616def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 617 HelpText<"Add directory to include search path">; 618def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 619 HelpText<"Add directory to AFTER include search path">; 620def index_header_map : Flag<"-index-header-map">, 621 HelpText<"Make the next included directory (-I or -F) an indexer header map">; 622def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 623 HelpText<"Add directory to QUOTE include search path">; 624def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 625 HelpText<"Add directory to the C++ SYSTEM include search path">; 626def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 627 HelpText<"Add directory to SYSTEM include search path">; 628def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 629 HelpText<"Add directory to SYSTEM include search path, " 630 "absolute paths are relative to -isysroot">; 631def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 632 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 633def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 634 HelpText<"Set directory to SYSTEM include search path with prefix">; 635def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 636 MetaVarName<"<dir>">, 637 HelpText<"Set directory to include search path with prefix">; 638def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 639 HelpText<"Set the system root directory (usually /)">; 640def v : Flag<"-v">, HelpText<"Enable verbose output">; 641 642//===----------------------------------------------------------------------===// 643// Preprocessor Options 644//===----------------------------------------------------------------------===// 645 646def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 647 HelpText<"Predefine the specified macro">; 648def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 649 HelpText<"Include file before parsing">; 650def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 651 HelpText<"Include macros from file before parsing">; 652def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 653 HelpText<"Include precompiled header file">; 654def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 655 HelpText<"Include file before parsing">; 656def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 657 HelpText<"Include and chain a header file after turning it into PCH">; 658def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 659 HelpText<"Assume that the precompiled header is a precompiled preamble " 660 "covering the first N bytes of the main file">; 661def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 662 HelpText<"Use specified token cache file">; 663def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 664 HelpText<"Undefine the specified macro">; 665def undef : Flag<"-undef">, MetaVarName<"<macro>">, 666 HelpText<"undef all system defines">; 667def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 668 HelpText<"include a detailed record of preprocessing actions">; 669 670//===----------------------------------------------------------------------===// 671// Preprocessed Output Options 672//===----------------------------------------------------------------------===// 673 674def P : Flag<"-P">, 675 HelpText<"Disable linemarker output in -E mode">; 676def C : Flag<"-C">, 677 HelpText<"Enable comment output in -E mode">; 678def CC : Flag<"-CC">, 679 HelpText<"Enable comment output in -E mode, even from macro expansions">; 680def dM : Flag<"-dM">, 681 HelpText<"Print macro definitions in -E mode instead of normal output">; 682def dD : Flag<"-dD">, 683 HelpText<"Print macro definitions in -E mode in addition to normal output">; 684 685//===----------------------------------------------------------------------===// 686// OpenCL Options 687//===----------------------------------------------------------------------===// 688 689def cl_opt_disable : Flag<"-cl-opt-disable">, 690 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 691def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 692 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 693def cl_finite_math_only : Flag<"-cl-finite-math-only">, 694 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 695def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 696 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 697def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 698 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 699def cl_mad_enable : Flag<"-cl-mad-enable">, 700 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 701def cl_std_EQ : Joined<"-cl-std=">, 702 HelpText<"OpenCL language standard to compile for">; 703