CC1Options.td revision 3dc05418538c719fea48b906bfa4febe5296e126
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 coverage_file : Separate<"-coverage-file">, 144 HelpText<"Emit coverage data to this filename. The extension will be replaced.">; 145def coverage_file_EQ : Joined<"-coverage-file=">, Alias<coverage_file>; 146def relaxed_aliasing : Flag<"-relaxed-aliasing">, 147 HelpText<"Turn off Type Based Alias Analysis">; 148def masm_verbose : Flag<"-masm-verbose">, 149 HelpText<"Generate verbose assembly output">; 150def mcode_model : Separate<"-mcode-model">, 151 HelpText<"The code model to use">; 152def mdebug_pass : Separate<"-mdebug-pass">, 153 HelpText<"Enable additional debug output">; 154def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 155 HelpText<"Disable frame pointer elimination optimization">; 156def mfloat_abi : Separate<"-mfloat-abi">, 157 HelpText<"The float ABI to use">; 158def mlimit_float_precision : Separate<"-mlimit-float-precision">, 159 HelpText<"Limit float precision to the given value">; 160def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 161 HelpText<"Do not put zero initialized data in the BSS">; 162def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 163 HelpText<"Omit frame pointer setup for leaf functions.">; 164def msoft_float : Flag<"-msoft-float">, 165 HelpText<"Use software floating point">; 166def backend_option : Separate<"-backend-option">, 167 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">; 168def mregparm : Separate<"-mregparm">, 169 HelpText<"Limit the number of registers available for integer arguments">; 170def mrelax_all : Flag<"-mrelax-all">, 171 HelpText<"(integrated-as) Relax all machine instructions">; 172def msave_temp_labels : Flag<"-msave-temp-labels">, 173 HelpText<"(integrated-as) Save temporary labels">; 174def mrtd: Flag<"-mrtd">, 175 HelpText<"Make StdCall calling convention the default">; 176def mrelocation_model : Separate<"-mrelocation-model">, 177 HelpText<"The relocation model to use">; 178def munwind_tables : Flag<"-munwind-tables">, 179 HelpText<"Generate unwinding tables for all functions">; 180def mconstructor_aliases : Flag<"-mconstructor-aliases">, 181 HelpText<"Emit complete constructors and destructors as aliases when possible">; 182def mms_bitfields : Flag<"-mms-bitfields">, 183 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 184def mstackrealign : Flag<"-mstackrealign">, 185 HelpText<"Force realign the stack at entry to every function.">; 186def O : Joined<"-O">, HelpText<"Optimization level">; 187def Os : Flag<"-Os">, HelpText<"Optimize for size">; 188def Oz : Flag<"-Oz">, HelpText<"Optimize for size, regardless of performance">; 189def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 190 191//===----------------------------------------------------------------------===// 192// Dependency Output Options 193//===----------------------------------------------------------------------===// 194 195def dependency_file : Separate<"-dependency-file">, 196 HelpText<"Filename (or -) to write dependency output to">; 197def sys_header_deps : Flag<"-sys-header-deps">, 198 HelpText<"Include system headers in dependency output">; 199def header_include_file : Separate<"-header-include-file">, 200 HelpText<"Filename (or -) to write header include output to">; 201def H : Flag<"-H">, 202 HelpText<"Show header includes and nesting depth">; 203def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 204def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 205def MP : Flag<"-MP">, 206 HelpText<"Create phony target for each dependency (other than main file)">; 207 208//===----------------------------------------------------------------------===// 209// Diagnostic Options 210//===----------------------------------------------------------------------===// 211 212def dump_build_information : Separate<"-dump-build-information">, 213 MetaVarName<"<filename>">, 214 HelpText<"output a dump of some build information to a file">; 215def diagnostic_log_file : Separate<"-diagnostic-log-file">, 216 HelpText<"Filename (or -) to log diagnostics to">; 217def fno_show_column : Flag<"-fno-show-column">, 218 HelpText<"Do not include column number on diagnostics">; 219def fno_show_source_location : Flag<"-fno-show-source-location">, 220 HelpText<"Do not include source location information with diagnostics">; 221def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 222 HelpText<"Which overload candidates to show when overload resolution fails: " 223 "best|all; defaults to all">; 224def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 225 HelpText<"Do not include source line and caret with diagnostics">; 226def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 227 HelpText<"Do not include fixit information in diagnostics">; 228def fno_diagnostics_show_note_include_stack : 229 Flag<"-fno-diagnostics-show-note-include-stack">, 230 HelpText<"Display include stacks for diagnostic notes">; 231def w : Flag<"-w">, HelpText<"Suppress all warnings">; 232def pedantic : Flag<"-pedantic">; 233def pedantic_errors : Flag<"-pedantic-errors">; 234 235// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 236// driver has stripped off -Wa,foo etc. The driver has also translated -W to 237// -Wextra, so we don't need to worry about it. 238def W : Joined<"-W">; 239 240def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 241 HelpText<"Print source range spans in numeric form">; 242def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 243 HelpText<"Print fix-its in machine parseable form">; 244def fdiagnostics_show_name : Flag<"-fdiagnostics-show-name">, 245 HelpText<"Print diagnostic name">; 246def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 247 HelpText<"Print option name with mappable diagnostics">; 248def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 249 HelpText<"Print diagnostic category">; 250def fdiagnostics_show_note_include_stack : 251 Flag<"-fdiagnostics-show-note-include-stack">, 252 HelpText<"Display include stacks for diagnostic notes">; 253def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 254 HelpText<"Set the tab stop distance.">; 255def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 256 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 257def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 258 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 259def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 260 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 261def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 262 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 263def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 264 HelpText<"Use colors in diagnostics">; 265def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 266 HelpText<"Silence ObjC rewriting warnings">; 267def verify : Flag<"-verify">, 268 HelpText<"Verify emitted diagnostics and warnings">; 269 270//===----------------------------------------------------------------------===// 271// Frontend Options 272//===----------------------------------------------------------------------===// 273 274// This isn't normally used, it is just here so we can parse a 275// CompilerInvocation out of a driver-derived argument vector. 276def cc1 : Flag<"-cc1">; 277 278def ast_merge : Separate<"-ast-merge">, 279 MetaVarName<"<ast file>">, 280 HelpText<"Merge the given AST file into the translation unit being compiled.">; 281def code_completion_at : Separate<"-code-completion-at">, 282 MetaVarName<"<file>:<line>:<column>">, 283 HelpText<"Dump code-completion information at a location">; 284def remap_file : Separate<"-remap-file">, 285 MetaVarName<"<from>;<to>">, 286 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 287def code_completion_at_EQ : Joined<"-code-completion-at=">, 288 Alias<code_completion_at>; 289def code_completion_macros : Flag<"-code-completion-macros">, 290 HelpText<"Include macros in code-completion results">; 291def code_completion_patterns : Flag<"-code-completion-patterns">, 292 HelpText<"Include code patterns in code-completion results">; 293def no_code_completion_globals : Flag<"-no-code-completion-globals">, 294 HelpText<"Do not include global declarations in code-completion results.">; 295def disable_free : Flag<"-disable-free">, 296 HelpText<"Disable freeing of memory on exit">; 297def help : Flag<"-help">, 298 HelpText<"Print this help text">; 299def _help : Flag<"--help">, Alias<help>; 300def x : Separate<"-x">, HelpText<"Input language type">; 301def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 302def load : Separate<"-load">, MetaVarName<"<dsopath>">, 303 HelpText<"Load the named plugin (dynamic shared object)">; 304def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 305 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 306def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 307 MetaVarName<"<name> <arg>">, 308 HelpText<"Pass <arg> to plugin <name>">; 309def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 310 HelpText<"Use the named plugin action in addition to the default action">; 311def resource_dir : Separate<"-resource-dir">, 312 HelpText<"The directory which holds the compiler resource files">; 313def version : Flag<"-version">, 314 HelpText<"Print the compiler version">; 315def _version : Flag<"--version">, Alias<version>; 316 317def Action_Group : OptionGroup<"<action group>">; 318let Group = Action_Group in { 319 320def Eonly : Flag<"-Eonly">, 321 HelpText<"Just run preprocessor, no output (for timings)">; 322def E : Flag<"-E">, 323 HelpText<"Run preprocessor, emit preprocessed file">; 324def dump_raw_tokens : Flag<"-dump-raw-tokens">, 325 HelpText<"Lex file in raw mode and dump raw tokens">; 326def analyze : Flag<"-analyze">, 327 HelpText<"Run static analysis engine">; 328def dump_tokens : Flag<"-dump-tokens">, 329 HelpText<"Run preprocessor, dump internal rep of tokens">; 330def init_only : Flag<"-init-only">, 331 HelpText<"Only execute frontend initialization">; 332def fsyntax_only : Flag<"-fsyntax-only">, 333 HelpText<"Run parser and perform semantic analysis">; 334def fixit : Flag<"-fixit">, 335 HelpText<"Apply fix-it advice to the input source">; 336def fixit_EQ : Joined<"-fixit=">, 337 HelpText<"Apply fix-it advice creating a file with the given suffix">; 338def print_preamble : Flag<"-print-preamble">, 339 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 340 " precompiled headers.">; 341def emit_html : Flag<"-emit-html">, 342 HelpText<"Output input source as HTML">; 343def ast_print : Flag<"-ast-print">, 344 HelpText<"Build ASTs and then pretty-print them">; 345def ast_dump : Flag<"-ast-dump">, 346 HelpText<"Build ASTs and then debug dump them">; 347def ast_dump_xml : Flag<"-ast-dump-xml">, 348 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 349def ast_view : Flag<"-ast-view">, 350 HelpText<"Build ASTs and view them with GraphViz">; 351def boostcon : Flag<"-boostcon">, 352 HelpText<"BoostCon workshop mode">; 353def print_decl_contexts : Flag<"-print-decl-contexts">, 354 HelpText<"Print DeclContexts and their Decls">; 355def emit_pth : Flag<"-emit-pth">, 356 HelpText<"Generate pre-tokenized header file">; 357def emit_pch : Flag<"-emit-pch">, 358 HelpText<"Generate pre-compiled header file">; 359def S : Flag<"-S">, 360 HelpText<"Emit native assembly code">; 361def emit_llvm : Flag<"-emit-llvm">, 362 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 363def emit_llvm_bc : Flag<"-emit-llvm-bc">, 364 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 365def emit_llvm_only : Flag<"-emit-llvm-only">, 366 HelpText<"Build ASTs and convert to LLVM, discarding output">; 367def emit_codegen_only : Flag<"-emit-codegen-only">, 368 HelpText<"Generate machine code, but discard output">; 369def emit_obj : Flag<"-emit-obj">, 370 HelpText<"Emit native object files">; 371def rewrite_test : Flag<"-rewrite-test">, 372 HelpText<"Rewriter playground">; 373def rewrite_objc : Flag<"-rewrite-objc">, 374 HelpText<"Rewrite ObjC into C (code rewriter example)">; 375def rewrite_macros : Flag<"-rewrite-macros">, 376 HelpText<"Expand macros without full preprocessing">; 377 378def create_module : Flag<"-create-module">, 379 HelpText<"Create a module definition file">; 380} 381 382def import_module : Separate<"-import-module">, 383 HelpText<"Import a module definition file">; 384 385def working_directory : JoinedOrSeparate<"-working-directory">, 386 HelpText<"Resolve file paths relative to the specified directory">; 387def working_directory_EQ : Joined<"-working-directory=">, 388 Alias<working_directory>; 389 390def relocatable_pch : Flag<"-relocatable-pch">, 391 HelpText<"Whether to build a relocatable precompiled header">; 392def chained_pch : Flag<"-chained-pch">, 393 HelpText<"Whether to chain the new precompiled header to the old one.">; 394def print_stats : Flag<"-print-stats">, 395 HelpText<"Print performance metrics and statistics">; 396def ftime_report : Flag<"-ftime-report">, 397 HelpText<"Print the amount of time each phase of compilation takes">; 398def fdump_record_layouts : Flag<"-fdump-record-layouts">, 399 HelpText<"Dump record layout information">; 400def fix_what_you_can : Flag<"-fix-what-you-can">, 401 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 402 403// Generic forwarding to LLVM options. This should only be used for debugging 404// and experimental features. 405def mllvm : Separate<"-mllvm">, 406 HelpText<"Additional arguments to forward to LLVM's option processing">; 407 408//===----------------------------------------------------------------------===// 409// Language Options 410//===----------------------------------------------------------------------===// 411 412def fno_builtin : Flag<"-fno-builtin">, 413 HelpText<"Disable implicit builtin knowledge of functions">; 414def faltivec : Flag<"-faltivec">, 415 HelpText<"Enable AltiVec vector initializer syntax">; 416def fno_access_control : Flag<"-fno-access-control">, 417 HelpText<"Disable C++ access control">; 418def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 419 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 420def fgnu_keywords : Flag<"-fgnu-keywords">, 421 HelpText<"Allow GNU-extension keywords regardless of language standard">; 422def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 423 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 424def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 425 HelpText<"Allow '$' in identifiers">; 426def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 427 HelpText<"Disallow '$' in identifiers">; 428def femit_all_decls : Flag<"-femit-all-decls">, 429 HelpText<"Emit all declarations, even if unused">; 430def fblocks : Flag<"-fblocks">, 431 HelpText<"enable the 'blocks' language feature">; 432def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 433def fexceptions : Flag<"-fexceptions">, 434 HelpText<"Enable support for exception handling">; 435def fobjc_exceptions : Flag<"-fobjc-exceptions">, 436 HelpText<"Enable Objective-C exceptions">; 437def fcxx_exceptions : Flag<"-fcxx-exceptions">, 438 HelpText<"Enable C++ exceptions">; 439def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 440 HelpText<"Use SjLj style exceptions">; 441def ffreestanding : Flag<"-ffreestanding">, 442 HelpText<"Assert that the compilation takes place in a freestanding environment">; 443def fgnu_runtime : Flag<"-fgnu-runtime">, 444 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 445def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 446 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 447def std_EQ : Joined<"-std=">, 448 HelpText<"Language standard to compile for">; 449def fmath_errno : Flag<"-fmath-errno">, 450 HelpText<"Require math functions to indicate errors by setting errno">; 451def fms_extensions : Flag<"-fms-extensions">, 452 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 453def fmsc_version : Joined<"-fmsc-version=">, 454 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 455def fborland_extensions : Flag<"-fborland-extensions">, 456 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 457def main_file_name : Separate<"-main-file-name">, 458 HelpText<"Main file name to use for debug info">; 459def fno_elide_constructors : Flag<"-fno-elide-constructors">, 460 HelpText<"Disable C++ copy constructor elision">; 461def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 462 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 463def fno_operator_names : Flag<"-fno-operator-names">, 464 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 465def fno_signed_char : Flag<"-fno-signed-char">, 466 HelpText<"Char is unsigned">; 467def fno_spell_checking : Flag<"-fno-spell-checking">, 468 HelpText<"Disable spell-checking">; 469def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 470 HelpText<"Don't use __cxa_atexit for calling destructors">; 471def fconstant_string_class : Separate<"-fconstant-string-class">, 472 MetaVarName<"<class name>">, 473 HelpText<"Specify the class to use for constant Objective-C string objects.">; 474def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 475 HelpText<"Enable creation of CodeFoundation-type constant strings">; 476def fobjc_gc : Flag<"-fobjc-gc">, 477 HelpText<"Enable Objective-C garbage collection">; 478def fobjc_gc_only : Flag<"-fobjc-gc-only">, 479 HelpText<"Use GC exclusively for Objective-C related memory management">; 480def fapple_kext : Flag<"-fapple-kext">, 481 HelpText<"Use Apple's kernel extensions ABI">; 482def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 483 HelpText<"Objective-C dispatch method to use">; 484def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 485 HelpText<"enable the default synthesis of Objective-C properties">; 486def print_ivar_layout : Flag<"-print-ivar-layout">, 487 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 488def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 489 HelpText<"enable objective-c's nonfragile abi">; 490def ftrapv : Flag<"-ftrapv">, 491 HelpText<"Trap on integer overflow">; 492def ftrapv_handler : Separate<"-ftrapv-handler">, 493 MetaVarName<"<function name>">, 494 HelpText<"Specify the function to be called on overflow.">; 495def fwrapv : Flag<"-fwrapv">, 496 HelpText<"Treat signed integer overflow as two's complement">; 497def pic_level : Separate<"-pic-level">, 498 HelpText<"Value for __PIC__">; 499def pthread : Flag<"-pthread">, 500 HelpText<"Support POSIX threads in generated code">; 501def fpascal_strings : Flag<"-fpascal-strings">, 502 HelpText<"Recognize and construct Pascal-style string literals">; 503def fno_rtti : Flag<"-fno-rtti">, 504 HelpText<"Disable generation of rtti information">; 505def fno_validate_pch : Flag<"-fno-validate-pch">, 506 HelpText<"Disable validation of precompiled headers">; 507def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 508 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 509def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 510 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 511def fshort_wchar : Flag<"-fshort-wchar">, 512 HelpText<"Force wchar_t to be a short unsigned int">; 513def fshort_enums : Flag<"-fshort-enums">, 514 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 515def static_define : Flag<"-static-define">, 516 HelpText<"Should __STATIC__ be defined">; 517def stack_protector : Separate<"-stack-protector">, 518 HelpText<"Enable stack protectors">; 519def fvisibility : Separate<"-fvisibility">, 520 HelpText<"Default symbol visibility">; 521def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 522 HelpText<"Give inline C++ member functions default visibility by default">; 523def ftemplate_depth : Separate<"-ftemplate-depth">, 524 HelpText<"Maximum depth of recursive template instantiation">; 525def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 526 HelpText<"Warn if a function definition returns or accepts an object larger " 527 "in bytes that a given value">; 528def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 529 Alias<Wlarge_by_value_copy>; 530def trigraphs : Flag<"-trigraphs">, 531 HelpText<"Process trigraph sequences">; 532def fwritable_strings : Flag<"-fwritable-strings">, 533 HelpText<"Store string literals as writable data">; 534def fconst_strings : Flag<"-fconst-strings">, 535 HelpText<"Use a const qualified type for string literals in C and ObjC">; 536def fno_const_strings : Flag<"-fno-const-strings">, 537 HelpText<"Don't use a const qualified type for string literals in C and ObjC">; 538def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 539 HelpText<"Ignore bit-field types when aligning structures">; 540def traditional_cpp : Flag<"-traditional-cpp">, 541 HelpText<"Enable some traditional CPP emulation">; 542def ffake_address_space_map : Flag<"-ffake-address-space-map">, 543 HelpText<"Use a fake address space map; OpenCL testing purposes only">; 544def fdelayed_template_parsing : Flag<"-fdelayed-template-parsing">, 545 HelpText<"Parse templated function definitions at the end of the " 546 "translation unit ">; 547def funknown_anytype : Flag<"-funknown-anytype">, 548 HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">; 549def fdeprecated_macro : Flag<"-fdeprecated-macro">, 550 HelpText<"Defines the __DEPRECATED macro">; 551def fno_deprecated_macro : Flag<"-fno-deprecated-macro">, 552 HelpText<"Undefines the __DEPRECATED macro">; 553 554//===----------------------------------------------------------------------===// 555// Header Search Options 556//===----------------------------------------------------------------------===// 557 558def nostdinc : Flag<"-nostdinc">, 559 HelpText<"Disable standard #include directories">; 560def nostdincxx : Flag<"-nostdinc++">, 561 HelpText<"Disable standard #include directories for the C++ standard library">; 562def nobuiltininc : Flag<"-nobuiltininc">, 563 HelpText<"Disable builtin #include directories">; 564def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 565 HelpText<"Add directory to framework include search path">; 566def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 567 HelpText<"Add directory to include search path">; 568def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 569 HelpText<"Add directory to AFTER include search path">; 570def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 571 HelpText<"Add directory to QUOTE include search path">; 572def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 573 HelpText<"Add directory to the C++ SYSTEM include search path">; 574def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 575 HelpText<"Add directory to SYSTEM include search path">; 576def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 577 HelpText<"Add directory to SYSTEM include search path, " 578 "absolute paths are relative to -isysroot">; 579def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 580 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 581def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 582 HelpText<"Set directory to SYSTEM include search path with prefix">; 583def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 584 MetaVarName<"<dir>">, 585 HelpText<"Set directory to include search path with prefix">; 586def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 587 HelpText<"Set the system root directory (usually /)">; 588def v : Flag<"-v">, HelpText<"Enable verbose output">; 589 590//===----------------------------------------------------------------------===// 591// Preprocessor Options 592//===----------------------------------------------------------------------===// 593 594def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 595 HelpText<"Predefine the specified macro">; 596def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 597 HelpText<"Include file before parsing">; 598def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 599 HelpText<"Include macros from file before parsing">; 600def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 601 HelpText<"Include precompiled header file">; 602def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 603 HelpText<"Include file before parsing">; 604def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 605 HelpText<"Include and chain a header file after turning it into PCH">; 606def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 607 HelpText<"Assume that the precompiled header is a precompiled preamble " 608 "covering the first N bytes of the main file">; 609def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 610 HelpText<"Use specified token cache file">; 611def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 612 HelpText<"Undefine the specified macro">; 613def undef : Flag<"-undef">, MetaVarName<"<macro>">, 614 HelpText<"undef all system defines">; 615def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 616 HelpText<"include a detailed record of preprocessing actions">; 617 618//===----------------------------------------------------------------------===// 619// Preprocessed Output Options 620//===----------------------------------------------------------------------===// 621 622def P : Flag<"-P">, 623 HelpText<"Disable linemarker output in -E mode">; 624def C : Flag<"-C">, 625 HelpText<"Enable comment output in -E mode">; 626def CC : Flag<"-CC">, 627 HelpText<"Enable comment output in -E mode, even from macro expansions">; 628def dM : Flag<"-dM">, 629 HelpText<"Print macro definitions in -E mode instead of normal output">; 630def dD : Flag<"-dD">, 631 HelpText<"Print macro definitions in -E mode in addition to normal output">; 632 633//===----------------------------------------------------------------------===// 634// OpenCL Options 635//===----------------------------------------------------------------------===// 636 637def cl_opt_disable : Flag<"-cl-opt-disable">, 638 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 639def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 640 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 641def cl_finite_math_only : Flag<"-cl-finite-math-only">, 642 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 643def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 644 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 645def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 646 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 647def cl_mad_enable : Flag<"-cl-mad-enable">, 648 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 649def cl_std_EQ : Joined<"-cl-std=">, 650 HelpText<"OpenCL language standard to compile for">; 651