CC1Options.td revision a268fc0f2229eb132ebc8501b140093aeb5516bf
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_purge : Separate<"-analyzer-purge">, 61 HelpText<"Source Code Analysis - Dead Symbol Removal Frequency">; 62def analyzer_purge_EQ : Joined<"-analyzer-purge=">, Alias<analyzer_purge>; 63 64def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 65 HelpText<"Force the static analyzer to analyze functions defined in header files">; 66def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 67 HelpText<"Analyze the definitions of blocks in addition to functions">; 68def analyzer_display_progress : Flag<"-analyzer-display-progress">, 69 HelpText<"Emit verbose output about the analyzer's progress">; 70def analyze_function : Separate<"-analyze-function">, 71 HelpText<"Run analysis on specific function">; 72def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 73def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 74 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 75def analyzer_no_eagerly_trim_egraph : Flag<"-analyzer-no-eagerly-trim-egraph">, 76 HelpText<"Don't eagerly remove uninteresting ExplodedNodes from the ExplodedGraph">; 77def trim_egraph : Flag<"-trim-egraph">, 78 HelpText<"Only show error-related paths in the analysis graph">; 79def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 80 HelpText<"Display exploded graph using GraphViz">; 81def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 82 HelpText<"Display exploded graph using Ubigraph">; 83def analyzer_inline_call : Flag<"-analyzer-inline-call">, 84 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 85def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 86 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 87def analyzer_max_loop : Separate<"-analyzer-max-loop">, 88 HelpText<"The maximum number of times the analyzer will go through a loop">; 89 90def analyzer_checker : Separate<"-analyzer-checker">, 91 HelpText<"Choose analyzer checkers to enable">; 92def analyzer_checker_EQ : Joined<"-analyzer-checker=">, 93 Alias<analyzer_checker>; 94 95def analyzer_disable_checker : Separate<"-analyzer-disable-checker">, 96 HelpText<"Choose analyzer checkers to disable">; 97def analyzer_disable_checker_EQ : Joined<"-analyzer-disable-checker=">, 98 Alias<analyzer_disable_checker>; 99 100def analyzer_checker_help : Flag<"-analyzer-checker-help">, 101 HelpText<"Display the list of analyzer checkers that are available">; 102 103//===----------------------------------------------------------------------===// 104// CodeGen Options 105//===----------------------------------------------------------------------===// 106 107def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 108 HelpText<"Don't run LLVM optimization passes">; 109def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 110 HelpText<"Don't run the LLVM IR verifier pass">; 111def disable_red_zone : Flag<"-disable-red-zone">, 112 HelpText<"Do not emit code that uses the red zone.">; 113def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 114 HelpText<"The string to embed in the Dwarf debug flags record.">; 115def fforbid_guard_variables : Flag<"-fforbid-guard-variables">, 116 HelpText<"Emit an error if a C++ static local initializer would need a guard variable">; 117def g : Flag<"-g">, HelpText<"Generate source level debug information">; 118def fno_dwarf2_cfi_asm : Flag<"-fno-dwarf2-cfi-asm">, 119 HelpText<"Don't use the cfi directives">; 120def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 121 HelpText<"Generate runtime checks for undefined behavior.">; 122def flimit_debug_info : Flag<"-flimit-debug-info">, 123 HelpText<"Limit debug information produced to reduce size of debug binary">; 124def fno_common : Flag<"-fno-common">, 125 HelpText<"Compile common globals like normal definitions">; 126def no_implicit_float : Flag<"-no-implicit-float">, 127 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 128def finstrument_functions : Flag<"-finstrument-functions">, 129 HelpText<"Generate calls to instrument function entry and exit">; 130def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 131 HelpText<"Disallow merging of constants.">; 132def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 133 HelpText<"Do not emit code to make initialization of local statics thread safe">; 134def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 135 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 136def ffunction_sections : Flag<"-ffunction-sections">, 137 HelpText<"Place each function in its own section (ELF Only)">; 138def fdata_sections : Flag<"-fdata-sections">, 139 HelpText<"Place each data in its own section (ELF Only)">; 140def funroll_loops : Flag<"-funroll-loops">, 141 HelpText<"Turn on loop unroller">; 142def femit_coverage_notes : Flag<"-femit-coverage-notes">, 143 HelpText<"Emit a gcov coverage notes file when compiling.">; 144def femit_coverage_data: Flag<"-femit-coverage-data">, 145 HelpText<"Instrument the program to emit gcov coverage data when run.">; 146def coverage_file : Separate<"-coverage-file">, 147 HelpText<"Emit coverage data to this filename. The extension will be replaced.">; 148def coverage_file_EQ : Joined<"-coverage-file=">, Alias<coverage_file>; 149def fuse_register_sized_bitfield_access: Flag<"-fuse-register-sized-bitfield-access">, 150 HelpText<"Use register sized accesses to bit-fields, when possible.">; 151def relaxed_aliasing : Flag<"-relaxed-aliasing">, 152 HelpText<"Turn off Type Based Alias Analysis">; 153def masm_verbose : Flag<"-masm-verbose">, 154 HelpText<"Generate verbose assembly output">; 155def mcode_model : Separate<"-mcode-model">, 156 HelpText<"The code model to use">; 157def mdebug_pass : Separate<"-mdebug-pass">, 158 HelpText<"Enable additional debug output">; 159def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 160 HelpText<"Disable frame pointer elimination optimization">; 161def mfloat_abi : Separate<"-mfloat-abi">, 162 HelpText<"The float ABI to use">; 163def mno_global_merge : Flag<"-mno-global-merge">, 164 HelpText<"Disable merging of globals">; 165def mlimit_float_precision : Separate<"-mlimit-float-precision">, 166 HelpText<"Limit float precision to the given value">; 167def mno_exec_stack : Flag<"-mnoexecstack">, 168 HelpText<"Mark the file as not needing an executable stack">; 169def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 170 HelpText<"Do not put zero initialized data in the BSS">; 171def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 172 HelpText<"Omit frame pointer setup for leaf functions.">; 173def msoft_float : Flag<"-msoft-float">, 174 HelpText<"Use software floating point">; 175def backend_option : Separate<"-backend-option">, 176 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">; 177def mregparm : Separate<"-mregparm">, 178 HelpText<"Limit the number of registers available for integer arguments">; 179def mrelax_all : Flag<"-mrelax-all">, 180 HelpText<"(integrated-as) Relax all machine instructions">; 181def msave_temp_labels : Flag<"-msave-temp-labels">, 182 HelpText<"(integrated-as) Save temporary labels">; 183def mrtd: Flag<"-mrtd">, 184 HelpText<"Make StdCall calling convention the default">; 185def mrelocation_model : Separate<"-mrelocation-model">, 186 HelpText<"The relocation model to use">; 187def munwind_tables : Flag<"-munwind-tables">, 188 HelpText<"Generate unwinding tables for all functions">; 189def mconstructor_aliases : Flag<"-mconstructor-aliases">, 190 HelpText<"Emit complete constructors and destructors as aliases when possible">; 191def mms_bitfields : Flag<"-mms-bitfields">, 192 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 193def mstackrealign : Flag<"-mstackrealign">, 194 HelpText<"Force realign the stack at entry to every function.">; 195def O : Joined<"-O">, HelpText<"Optimization level">; 196def Os : Flag<"-Os">, HelpText<"Optimize for size">; 197def Oz : Flag<"-Oz">, HelpText<"Optimize for size, regardless of performance">; 198def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 199 200//===----------------------------------------------------------------------===// 201// Dependency Output Options 202//===----------------------------------------------------------------------===// 203 204def dependency_file : Separate<"-dependency-file">, 205 HelpText<"Filename (or -) to write dependency output to">; 206def sys_header_deps : Flag<"-sys-header-deps">, 207 HelpText<"Include system headers in dependency output">; 208def header_include_file : Separate<"-header-include-file">, 209 HelpText<"Filename (or -) to write header include output to">; 210def H : Flag<"-H">, 211 HelpText<"Show header includes and nesting depth">; 212def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 213def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 214def MP : Flag<"-MP">, 215 HelpText<"Create phony target for each dependency (other than main file)">; 216def MG : Flag<"-MG">, HelpText<"Add missing headers to dependency list">; 217 218//===----------------------------------------------------------------------===// 219// Diagnostic Options 220//===----------------------------------------------------------------------===// 221 222def dump_build_information : Separate<"-dump-build-information">, 223 MetaVarName<"<filename>">, 224 HelpText<"output a dump of some build information to a file">; 225def diagnostic_log_file : Separate<"-diagnostic-log-file">, 226 HelpText<"Filename (or -) to log diagnostics to">; 227def fno_show_column : Flag<"-fno-show-column">, 228 HelpText<"Do not include column number on diagnostics">; 229def fshow_column : Flag<"-fshow-column">, 230 HelpText<"Include column number on diagnostics">; 231def fno_show_source_location : Flag<"-fno-show-source-location">, 232 HelpText<"Do not include source location information with diagnostics">; 233def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 234 HelpText<"Which overload candidates to show when overload resolution fails: " 235 "best|all; defaults to all">; 236def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 237 HelpText<"Do not include source line and caret with diagnostics">; 238def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 239 HelpText<"Do not include fixit information in diagnostics">; 240def fno_diagnostics_show_note_include_stack : 241 Flag<"-fno-diagnostics-show-note-include-stack">, 242 HelpText<"Display include stacks for diagnostic notes">; 243def w : Flag<"-w">, HelpText<"Suppress all warnings">; 244def pedantic : Flag<"-pedantic">; 245def pedantic_errors : Flag<"-pedantic-errors">; 246 247// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 248// driver has stripped off -Wa,foo etc. The driver has also translated -W to 249// -Wextra, so we don't need to worry about it. 250def W : Joined<"-W">; 251 252def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 253 HelpText<"Print source range spans in numeric form">; 254def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 255 HelpText<"Print fix-its in machine parseable form">; 256def fdiagnostics_show_name : Flag<"-fdiagnostics-show-name">, 257 HelpText<"Print diagnostic name">; 258def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 259 HelpText<"Print option name with mappable diagnostics">; 260def fdiagnostics_format : Separate<"-fdiagnostics-format">, 261 HelpText<"Change diagnostic formatting to match IDE and command line tools">; 262def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 263 HelpText<"Print diagnostic category">; 264def fdiagnostics_show_note_include_stack : 265 Flag<"-fdiagnostics-show-note-include-stack">, 266 HelpText<"Display include stacks for diagnostic notes">; 267def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 268 HelpText<"Set the tab stop distance.">; 269def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 270 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 271def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 272 HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">; 273def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 274 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 275def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 276 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 277def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 278 HelpText<"Use colors in diagnostics">; 279def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 280 HelpText<"Silence ObjC rewriting warnings">; 281def verify : Flag<"-verify">, 282 HelpText<"Verify emitted diagnostics and warnings">; 283 284//===----------------------------------------------------------------------===// 285// Frontend Options 286//===----------------------------------------------------------------------===// 287 288// This isn't normally used, it is just here so we can parse a 289// CompilerInvocation out of a driver-derived argument vector. 290def cc1 : Flag<"-cc1">; 291 292def ast_merge : Separate<"-ast-merge">, 293 MetaVarName<"<ast file>">, 294 HelpText<"Merge the given AST file into the translation unit being compiled.">; 295def code_completion_at : Separate<"-code-completion-at">, 296 MetaVarName<"<file>:<line>:<column>">, 297 HelpText<"Dump code-completion information at a location">; 298def remap_file : Separate<"-remap-file">, 299 MetaVarName<"<from>;<to>">, 300 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 301def code_completion_at_EQ : Joined<"-code-completion-at=">, 302 Alias<code_completion_at>; 303def code_completion_macros : Flag<"-code-completion-macros">, 304 HelpText<"Include macros in code-completion results">; 305def code_completion_patterns : Flag<"-code-completion-patterns">, 306 HelpText<"Include code patterns in code-completion results">; 307def no_code_completion_globals : Flag<"-no-code-completion-globals">, 308 HelpText<"Do not include global declarations in code-completion results.">; 309def disable_free : Flag<"-disable-free">, 310 HelpText<"Disable freeing of memory on exit">; 311def help : Flag<"-help">, 312 HelpText<"Print this help text">; 313def _help : Flag<"--help">, Alias<help>; 314def x : Separate<"-x">, HelpText<"Input language type">; 315def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 316def load : Separate<"-load">, MetaVarName<"<dsopath>">, 317 HelpText<"Load the named plugin (dynamic shared object)">; 318def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 319 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 320def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 321 MetaVarName<"<name> <arg>">, 322 HelpText<"Pass <arg> to plugin <name>">; 323def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 324 HelpText<"Use the named plugin action in addition to the default action">; 325def resource_dir : Separate<"-resource-dir">, 326 HelpText<"The directory which holds the compiler resource files">; 327def version : Flag<"-version">, 328 HelpText<"Print the compiler version">; 329def _version : Flag<"--version">, Alias<version>; 330 331def Action_Group : OptionGroup<"<action group>">; 332let Group = Action_Group in { 333 334def Eonly : Flag<"-Eonly">, 335 HelpText<"Just run preprocessor, no output (for timings)">; 336def E : Flag<"-E">, 337 HelpText<"Run preprocessor, emit preprocessed file">; 338def dump_raw_tokens : Flag<"-dump-raw-tokens">, 339 HelpText<"Lex file in raw mode and dump raw tokens">; 340def analyze : Flag<"-analyze">, 341 HelpText<"Run static analysis engine">; 342def dump_tokens : Flag<"-dump-tokens">, 343 HelpText<"Run preprocessor, dump internal rep of tokens">; 344def init_only : Flag<"-init-only">, 345 HelpText<"Only execute frontend initialization">; 346def fsyntax_only : Flag<"-fsyntax-only">, 347 HelpText<"Run parser and perform semantic analysis">; 348def fixit : Flag<"-fixit">, 349 HelpText<"Apply fix-it advice to the input source">; 350def fixit_EQ : Joined<"-fixit=">, 351 HelpText<"Apply fix-it advice creating a file with the given suffix">; 352def print_preamble : Flag<"-print-preamble">, 353 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 354 " precompiled headers.">; 355def emit_html : Flag<"-emit-html">, 356 HelpText<"Output input source as HTML">; 357def ast_print : Flag<"-ast-print">, 358 HelpText<"Build ASTs and then pretty-print them">; 359def ast_dump : Flag<"-ast-dump">, 360 HelpText<"Build ASTs and then debug dump them">; 361def ast_dump_xml : Flag<"-ast-dump-xml">, 362 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 363def ast_view : Flag<"-ast-view">, 364 HelpText<"Build ASTs and view them with GraphViz">; 365def print_decl_contexts : Flag<"-print-decl-contexts">, 366 HelpText<"Print DeclContexts and their Decls">; 367def emit_module : Flag<"-emit-module">, 368 HelpText<"Generate pre-compiled module file">; 369def emit_pth : Flag<"-emit-pth">, 370 HelpText<"Generate pre-tokenized header file">; 371def emit_pch : Flag<"-emit-pch">, 372 HelpText<"Generate pre-compiled header file">; 373def S : Flag<"-S">, 374 HelpText<"Emit native assembly code">; 375def emit_llvm : Flag<"-emit-llvm">, 376 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 377def emit_llvm_bc : Flag<"-emit-llvm-bc">, 378 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 379def emit_llvm_only : Flag<"-emit-llvm-only">, 380 HelpText<"Build ASTs and convert to LLVM, discarding output">; 381def emit_codegen_only : Flag<"-emit-codegen-only">, 382 HelpText<"Generate machine code, but discard output">; 383def emit_obj : Flag<"-emit-obj">, 384 HelpText<"Emit native object files">; 385def rewrite_test : Flag<"-rewrite-test">, 386 HelpText<"Rewriter playground">; 387def rewrite_objc : Flag<"-rewrite-objc">, 388 HelpText<"Rewrite ObjC into C (code rewriter example)">; 389def rewrite_macros : Flag<"-rewrite-macros">, 390 HelpText<"Expand macros without full preprocessing">; 391} 392 393def arcmt_check : Flag<"-arcmt-check">, 394 HelpText<"Check for ARC migration issues that need manual handling">; 395def arcmt_modify : Flag<"-arcmt-modify">, 396 HelpText<"Apply modifications to files to conform to ARC">; 397def arcmt_migrate : Flag<"-arcmt-migrate">, 398 HelpText<"Apply modifications and produces temporary files that conform to ARC">; 399def arcmt_migrate_directory : Separate<"-arcmt-migrate-directory">, 400 HelpText<"Directory for temporary files produced during ARC migration">; 401def arcmt_migrate_report_output : Separate<"-arcmt-migrate-report-output">, 402 HelpText<"Output path for the plist report">; 403def arcmt_migrate_emit_arc_errors : Flag<"-arcmt-migrate-emit-errors">, 404 HelpText<"Emit ARC errors even if the migrator can fix them">; 405 406def working_directory : JoinedOrSeparate<"-working-directory">, 407 HelpText<"Resolve file paths relative to the specified directory">; 408def working_directory_EQ : Joined<"-working-directory=">, 409 Alias<working_directory>; 410 411def relocatable_pch : Flag<"-relocatable-pch">, 412 HelpText<"Whether to build a relocatable precompiled header">; 413def print_stats : Flag<"-print-stats">, 414 HelpText<"Print performance metrics and statistics">; 415def ftime_report : Flag<"-ftime-report">, 416 HelpText<"Print the amount of time each phase of compilation takes">; 417def fdump_record_layouts : Flag<"-fdump-record-layouts">, 418 HelpText<"Dump record layout information">; 419def fix_what_you_can : Flag<"-fix-what-you-can">, 420 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 421 422// Generic forwarding to LLVM options. This should only be used for debugging 423// and experimental features. 424def mllvm : Separate<"-mllvm">, 425 HelpText<"Additional arguments to forward to LLVM's option processing">; 426 427//===----------------------------------------------------------------------===// 428// Language Options 429//===----------------------------------------------------------------------===// 430 431def fno_builtin : Flag<"-fno-builtin">, 432 HelpText<"Disable implicit builtin knowledge of functions">; 433def faltivec : Flag<"-faltivec">, 434 HelpText<"Enable AltiVec vector initializer syntax">; 435def fno_access_control : Flag<"-fno-access-control">, 436 HelpText<"Disable C++ access control">; 437def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 438 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 439def fgnu_keywords : Flag<"-fgnu-keywords">, 440 HelpText<"Allow GNU-extension keywords regardless of language standard">; 441def fgnu89_inline : Flag<"-fgnu89-inline">, 442 HelpText<"Use the gnu89 inline semantics">; 443def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 444 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 445def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 446 HelpText<"Allow '$' in identifiers">; 447def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 448 HelpText<"Disallow '$' in identifiers">; 449def femit_all_decls : Flag<"-femit-all-decls">, 450 HelpText<"Emit all declarations, even if unused">; 451def fblocks : Flag<"-fblocks">, 452 HelpText<"Enable the 'blocks' language feature">; 453def fblocks_runtime_optional : Flag<"-fblocks-runtime-optional">, 454 HelpText<"Weakly link in the blocks runtime">; 455def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 456def fexceptions : Flag<"-fexceptions">, 457 HelpText<"Enable support for exception handling">; 458def fobjc_exceptions : Flag<"-fobjc-exceptions">, 459 HelpText<"Enable Objective-C exceptions">; 460def fcxx_exceptions : Flag<"-fcxx-exceptions">, 461 HelpText<"Enable C++ exceptions">; 462def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 463 HelpText<"Use SjLj style exceptions">; 464def ffreestanding : Flag<"-ffreestanding">, 465 HelpText<"Assert that the compilation takes place in a freestanding environment">; 466def fgnu_runtime : Flag<"-fgnu-runtime">, 467 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 468def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 469 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 470def std_EQ : Joined<"-std=">, 471 HelpText<"Language standard to compile for">; 472def stdlib_EQ : Joined<"-stdlib=">, 473 HelpText<"C++ standard library to use">; 474def fmath_errno : Flag<"-fmath-errno">, 475 HelpText<"Require math functions to indicate errors by setting errno">; 476def fms_extensions : Flag<"-fms-extensions">, 477 HelpText<"Accept some non-standard constructs supported by the Microsoft compiler">; 478def fms_compatibility : Flag<"-fms-compatibility">, 479 HelpText<"Enable Microsoft compatibility mode">; 480def fmsc_version : Joined<"-fmsc-version=">, 481 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 482def fborland_extensions : Flag<"-fborland-extensions">, 483 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 484def main_file_name : Separate<"-main-file-name">, 485 HelpText<"Main file name to use for debug info">; 486def fno_elide_constructors : Flag<"-fno-elide-constructors">, 487 HelpText<"Disable C++ copy constructor elision">; 488def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 489 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 490def fno_operator_names : Flag<"-fno-operator-names">, 491 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 492def fno_signed_char : Flag<"-fno-signed-char">, 493 HelpText<"Char is unsigned">; 494def fno_spell_checking : Flag<"-fno-spell-checking">, 495 HelpText<"Disable spell-checking">; 496def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 497 HelpText<"Don't use __cxa_atexit for calling destructors">; 498def fconstant_string_class : Separate<"-fconstant-string-class">, 499 MetaVarName<"<class name>">, 500 HelpText<"Specify the class to use for constant Objective-C string objects.">; 501def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 502 HelpText<"Enable creation of CodeFoundation-type constant strings">; 503def fobjc_arc : Flag<"-fobjc-arc">, 504 HelpText<"Synthesize retain and release calls for Objective-C pointers">; 505def fobjc_arc_cxxlib_EQ : Joined<"-fobjc-arc-cxxlib=">, 506 HelpText<"Objective-C++ Automatic Reference Counting standard library kind">; 507def fobjc_arc_exceptions : Flag<"-fobjc-arc-exceptions">, 508 HelpText<"Use EH-safe code when synthesizing retains and releases in -fobjc-arc">; 509def fobjc_runtime_has_arc : Flag<"-fobjc-runtime-has-arc">, 510 HelpText<"The target Objective-C runtime provides ARC entrypoints">; 511def fobjc_runtime_has_weak : Flag<"-fobjc-runtime-has-weak">, 512 HelpText<"The target Objective-C runtime supports ARC weak operations">; 513def fobjc_runtime_has_terminate : Flag<"-fobjc-runtime-has-terminate">, 514 HelpText<"The target Objective-C runtime provides an objc_terminate entrypoint">; 515def fobjc_gc : Flag<"-fobjc-gc">, 516 HelpText<"Enable Objective-C garbage collection">; 517def fobjc_gc_only : Flag<"-fobjc-gc-only">, 518 HelpText<"Use GC exclusively for Objective-C related memory management">; 519def fapple_kext : Flag<"-fapple-kext">, 520 HelpText<"Use Apple's kernel extensions ABI">; 521def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 522 HelpText<"Objective-C dispatch method to use">; 523def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 524 HelpText<"enable the default synthesis of Objective-C properties">; 525def print_ivar_layout : Flag<"-print-ivar-layout">, 526 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 527def fobjc_fragile_abi : Flag<"-fobjc-fragile-abi">, 528 HelpText<"Use Objective-C's fragile ABI">; 529def fno_objc_infer_related_result_type : Flag< 530 "-fno-objc-infer-related-result-type">, 531 HelpText< 532 "do not infer Objective-C related result type based on method family">; 533def ftrapv : Flag<"-ftrapv">, 534 HelpText<"Trap on integer overflow">; 535def ftrapv_handler : Separate<"-ftrapv-handler">, 536 MetaVarName<"<function name>">, 537 HelpText<"Specify the function to be called on overflow.">; 538def fwrapv : Flag<"-fwrapv">, 539 HelpText<"Treat signed integer overflow as two's complement">; 540def pic_level : Separate<"-pic-level">, 541 HelpText<"Value for __PIC__">; 542def pthread : Flag<"-pthread">, 543 HelpText<"Support POSIX threads in generated code">; 544def fpack_struct : Separate<"-fpack-struct">, 545 HelpText<"Specify the default maximum struct packing alignment">; 546def fpascal_strings : Flag<"-fpascal-strings">, 547 HelpText<"Recognize and construct Pascal-style string literals">; 548def fno_rtti : Flag<"-fno-rtti">, 549 HelpText<"Disable generation of rtti information">; 550def fno_validate_pch : Flag<"-fno-validate-pch">, 551 HelpText<"Disable validation of precompiled headers">; 552def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 553 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 554def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 555 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 556def fshort_wchar : Flag<"-fshort-wchar">, 557 HelpText<"Force wchar_t to be a short unsigned int">; 558def fshort_enums : Flag<"-fshort-enums">, 559 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 560def static_define : Flag<"-static-define">, 561 HelpText<"Should __STATIC__ be defined">; 562def stack_protector : Separate<"-stack-protector">, 563 HelpText<"Enable stack protectors">; 564def fvisibility : Separate<"-fvisibility">, 565 HelpText<"Default symbol visibility">; 566def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 567 HelpText<"Give inline C++ member functions default visibility by default">; 568def ftemplate_depth : Separate<"-ftemplate-depth">, 569 HelpText<"Maximum depth of recursive template instantiation">; 570def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 571 HelpText<"Warn if a function definition returns or accepts an object larger " 572 "in bytes that a given value">; 573def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 574 Alias<Wlarge_by_value_copy>; 575def trigraphs : Flag<"-trigraphs">, 576 HelpText<"Process trigraph sequences">; 577def fwritable_strings : Flag<"-fwritable-strings">, 578 HelpText<"Store string literals as writable data">; 579def fconst_strings : Flag<"-fconst-strings">, 580 HelpText<"Use a const qualified type for string literals in C and ObjC">; 581def fno_const_strings : Flag<"-fno-const-strings">, 582 HelpText<"Don't use a const qualified type for string literals in C and ObjC">; 583def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 584 HelpText<"Ignore bit-field types when aligning structures">; 585def traditional_cpp : Flag<"-traditional-cpp">, 586 HelpText<"Enable some traditional CPP emulation">; 587def ffake_address_space_map : Flag<"-ffake-address-space-map">, 588 HelpText<"Use a fake address space map; OpenCL testing purposes only">; 589def fdelayed_template_parsing : Flag<"-fdelayed-template-parsing">, 590 HelpText<"Parse templated function definitions at the end of the " 591 "translation unit ">; 592def funknown_anytype : Flag<"-funknown-anytype">, 593 HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">; 594def fdebugger_support : Flag<"-fdebugger-support">, 595 HelpText<"Enable special debugger support behavior">; 596def fdeprecated_macro : Flag<"-fdeprecated-macro">, 597 HelpText<"Defines the __DEPRECATED macro">; 598def fno_deprecated_macro : Flag<"-fno-deprecated-macro">, 599 HelpText<"Undefines the __DEPRECATED macro">; 600 601//===----------------------------------------------------------------------===// 602// Header Search Options 603//===----------------------------------------------------------------------===// 604 605def nostdsysteminc : Flag<"-nostdsysteminc">, 606 HelpText<"Disable standard system #include directories">; 607def nostdincxx : Flag<"-nostdinc++">, 608 HelpText<"Disable standard #include directories for the C++ standard library">; 609def nobuiltininc : Flag<"-nobuiltininc">, 610 HelpText<"Disable builtin #include directories">; 611def fmodule_cache_path : Separate<"-fmodule-cache-path">, 612 MetaVarName<"<directory>">, 613 HelpText<"Specify the module cache path">; 614def fdisable_module_hash : Flag<"-fdisable-module-hash">, 615 HelpText<"Disable the module hash">; 616def fauto_module_import : Flag<"-fauto-module-import">, 617 HelpText<"Automatically translate #include/#import into module imports " 618 "when possible">; 619 620def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 621 HelpText<"Add directory to framework include search path">; 622def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 623 HelpText<"Add directory to include search path">; 624def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 625 HelpText<"Add directory to AFTER include search path">; 626def index_header_map : Flag<"-index-header-map">, 627 HelpText<"Make the next included directory (-I or -F) an indexer header map">; 628def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 629 HelpText<"Add directory to QUOTE include search path">; 630def c_isystem : JoinedOrSeparate<"-c-isystem">, MetaVarName<"<directory>">, 631 HelpText<"Add directory to the C SYSTEM include search path">; 632def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 633 HelpText<"Add directory to the C++ SYSTEM include search path">; 634def objc_isystem : JoinedOrSeparate<"-objc-isystem">, 635 MetaVarName<"<directory>">, 636 HelpText<"Add directory to the ObjC SYSTEM include search path">; 637def objcxx_isystem : JoinedOrSeparate<"-objcxx-isystem">, 638 MetaVarName<"<directory>">, 639 HelpText<"Add directory to the ObjC++ SYSTEM include search path">; 640def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 641 HelpText<"Add directory to SYSTEM include search path">; 642def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 643 HelpText<"Add directory to SYSTEM include search path, " 644 "absolute paths are relative to -isysroot">; 645def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 646 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 647def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 648 HelpText<"Set directory to SYSTEM include search path with prefix">; 649def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 650 MetaVarName<"<dir>">, 651 HelpText<"Set directory to include search path with prefix">; 652def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 653 HelpText<"Set the system root directory (usually /)">; 654def v : Flag<"-v">, HelpText<"Enable verbose output">; 655 656//===----------------------------------------------------------------------===// 657// Preprocessor Options 658//===----------------------------------------------------------------------===// 659 660def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 661 HelpText<"Predefine the specified macro">; 662def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 663 HelpText<"Include file before parsing">; 664def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 665 HelpText<"Include macros from file before parsing">; 666def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 667 HelpText<"Include precompiled header file">; 668def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 669 HelpText<"Include file before parsing">; 670def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 671 HelpText<"Include and chain a header file after turning it into PCH">; 672def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 673 HelpText<"Assume that the precompiled header is a precompiled preamble " 674 "covering the first N bytes of the main file">; 675def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 676 HelpText<"Use specified token cache file">; 677def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 678 HelpText<"Undefine the specified macro">; 679def undef : Flag<"-undef">, MetaVarName<"<macro>">, 680 HelpText<"undef all system defines">; 681def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 682 HelpText<"include a detailed record of preprocessing actions">; 683 684//===----------------------------------------------------------------------===// 685// Preprocessed Output Options 686//===----------------------------------------------------------------------===// 687 688def P : Flag<"-P">, 689 HelpText<"Disable linemarker output in -E mode">; 690def C : Flag<"-C">, 691 HelpText<"Enable comment output in -E mode">; 692def CC : Flag<"-CC">, 693 HelpText<"Enable comment output in -E mode, even from macro expansions">; 694def dM : Flag<"-dM">, 695 HelpText<"Print macro definitions in -E mode instead of normal output">; 696def dD : Flag<"-dD">, 697 HelpText<"Print macro definitions in -E mode in addition to normal output">; 698 699//===----------------------------------------------------------------------===// 700// OpenCL Options 701//===----------------------------------------------------------------------===// 702 703def cl_opt_disable : Flag<"-cl-opt-disable">, 704 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 705def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 706 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 707def cl_finite_math_only : Flag<"-cl-finite-math-only">, 708 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 709def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 710 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 711def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 712 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 713def cl_mad_enable : Flag<"-cl-mad-enable">, 714 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 715def cl_std_EQ : Joined<"-cl-std=">, 716 HelpText<"OpenCL language standard to compile for">; 717 718//===----------------------------------------------------------------------===// 719// CUDA Options 720//===----------------------------------------------------------------------===// 721 722def fcuda_is_device : Flag<"-fcuda-is-device">, 723 HelpText<"Generate code for CUDA device">; 724