CC1Options.td revision 6f75550e40a9177db9979fc130ce3ece026b137d
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_CFGDump : Flag<"-cfg-dump">, 40 HelpText<"Display Control-Flow Graphs">; 41def analysis_CFGView : Flag<"-cfg-view">, 42 HelpText<"View Control-Flow Graphs using GraphViz">; 43def analysis_UnoptimizedCFG : Flag<"-unoptimized-cfg">, 44 HelpText<"Generate unoptimized CFGs for all analyses">; 45def analysis_CFGAddImplicitDtors : Flag<"-cfg-add-implicit-dtors">, 46 HelpText<"Add C++ implicit destructors to CFGs for all analyses">; 47def analysis_CFGAddInitializers : Flag<"-cfg-add-initializers">, 48 HelpText<"Add C++ initializers to CFGs for all analyses">; 49def analysis_DisplayLiveVariables : Flag<"-dump-live-variables">, 50 HelpText<"Print results of live variable analysis">; 51def analysis_LLVMConventionChecker : Flag<"-analyzer-check-llvm-conventions">, 52 HelpText<"Check code for LLVM codebase conventions (domain-specific)">; 53def analysis_SecuritySyntacticChecks : Flag<"-analyzer-check-security-syntactic">, 54 HelpText<"Perform quick security checks that require no data flow">; 55def analysis_WarnDeadStores : Flag<"-analyzer-check-dead-stores">, 56 HelpText<"Warn about stores to dead variables">; 57def analysis_WarnUninitVals : Flag<"-warn-uninit-values">, 58 HelpText<"Warn about uses of uninitialized variables">; 59def analysis_WarnObjCMethSigs : Flag<"-analyzer-check-objc-methodsigs">, 60 HelpText<"Warn about Objective-C method signatures with type incompatibilities">; 61def analysis_WarnObjCDealloc : Flag<"-analyzer-check-objc-missing-dealloc">, 62 HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">; 63def analysis_WarnObjCUnusedIvars : Flag<"-analyzer-check-objc-unused-ivars">, 64 HelpText<"Warn about private ivars that are never used">; 65def analysis_ObjCMemChecker : Flag<"-analyzer-check-objc-mem">, 66 HelpText<"Run the [Core] Foundation reference count checker">; 67def analysis_WarnObjCSelfInit : Flag<"-analyzer-check-objc-self-init">, 68 HelpText<"Warn about missing initialization of 'self' in an initializer">; 69def analysis_WarnSizeofPointer : Flag<"-warn-sizeof-pointer">, 70 HelpText<"Warn about unintended use of sizeof() on pointer expressions">; 71def analysis_WarnIdempotentOps : Flag<"-analyzer-check-idempotent-operations">, 72 HelpText<"Warn about idempotent operations">; 73def analysis_AnalyzerStats : Flag<"-analyzer-stats">, 74 HelpText<"Emit warnings with analyzer statistics">; 75def analysis_WarnBufferOverflows : Flag<"-analyzer-check-buffer-overflows">, 76 HelpText<"Warn about buffer overflows">; 77 78def analyzer_store : Separate<"-analyzer-store">, 79 HelpText<"Source Code Analysis - Abstract Memory Store Models">; 80def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>; 81 82def analyzer_constraints : Separate<"-analyzer-constraints">, 83 HelpText<"Source Code Analysis - Symbolic Constraint Engines">; 84def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">, 85 Alias<analyzer_constraints>; 86 87def analyzer_output : Separate<"-analyzer-output">, 88 HelpText<"Source Code Analysis - Output Options">; 89def analyzer_output_EQ : Joined<"-analyzer-output=">, 90 Alias<analyzer_output>; 91 92def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">, 93 HelpText<"Force the static analyzer to analyze functions defined in header files">; 94def analyzer_opt_analyze_nested_blocks : Flag<"-analyzer-opt-analyze-nested-blocks">, 95 HelpText<"Analyze the definitions of blocks in addition to functions">; 96def analyzer_display_progress : Flag<"-analyzer-display-progress">, 97 HelpText<"Emit verbose output about the analyzer's progress">; 98def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">, 99 HelpText<"Use experimental path-sensitive checks">; 100def analyzer_experimental_internal_checks : 101 Flag<"-analyzer-experimental-internal-checks">, 102 HelpText<"Use new default path-sensitive checks currently in testing">; 103def analyze_function : Separate<"-analyze-function">, 104 HelpText<"Run analysis on specific function">; 105def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>; 106def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">, 107 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">; 108def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">, 109 HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">; 110def trim_egraph : Flag<"-trim-egraph">, 111 HelpText<"Only show error-related paths in the analysis graph">; 112def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">, 113 HelpText<"Display exploded graph using GraphViz">; 114def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">, 115 HelpText<"Display exploded graph using Ubigraph">; 116def analyzer_inline_call : Flag<"-analyzer-inline-call">, 117 HelpText<"Experimental transfer function inlining callees when its definition is available.">; 118def analyzer_max_nodes : Separate<"-analyzer-max-nodes">, 119 HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">; 120def analyzer_max_loop : Separate<"-analyzer-max-loop">, 121 HelpText<"The maximum number of times the analyzer will go through a loop">; 122 123//===----------------------------------------------------------------------===// 124// CodeGen Options 125//===----------------------------------------------------------------------===// 126 127def disable_llvm_optzns : Flag<"-disable-llvm-optzns">, 128 HelpText<"Don't run LLVM optimization passes">; 129def disable_llvm_verifier : Flag<"-disable-llvm-verifier">, 130 HelpText<"Don't run the LLVM IR verifier pass">; 131def disable_red_zone : Flag<"-disable-red-zone">, 132 HelpText<"Do not emit code that uses the red zone.">; 133def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 134 HelpText<"The string to embed in the Dwarf debug flags record.">; 135def g : Flag<"-g">, HelpText<"Generate source level debug information">; 136def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 137 HelpText<"Generate runtime checks for undefined behavior.">; 138def flimit_debug_info : Flag<"-flimit-debug-info">, 139 HelpText<"Limit debug information produced to reduce size of debug binary">; 140def fno_common : Flag<"-fno-common">, 141 HelpText<"Compile common globals like normal definitions">; 142def no_implicit_float : Flag<"-no-implicit-float">, 143 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 144def finstrument_functions : Flag<"-finstrument-functions">, 145 HelpText<"Generate calls to instrument function entry and exit">; 146def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 147 HelpText<"Disallow merging of constants.">; 148def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 149 HelpText<"Do not emit code to make initialization of local statics thread safe">; 150def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 151 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 152def ffunction_sections : Flag<"-ffunction-sections">, 153 HelpText<"Place each function in its own section (ELF Only)">; 154def fdata_sections : Flag<"-fdata-sections">, 155 HelpText<"Place each data in its own section (ELF Only)">; 156def funroll_loops : Flag<"-funroll-loops">, 157 HelpText<"Turn on loop unroller">; 158def relaxed_aliasing : Flag<"-relaxed-aliasing">, 159 HelpText<"Turn off Type Based Alias Analysis">; 160def masm_verbose : Flag<"-masm-verbose">, 161 HelpText<"Generate verbose assembly output">; 162def mcode_model : Separate<"-mcode-model">, 163 HelpText<"The code model to use">; 164def mdebug_pass : Separate<"-mdebug-pass">, 165 HelpText<"Enable additional debug output">; 166def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 167 HelpText<"Disable frame pointer elimination optimization">; 168def mfloat_abi : Separate<"-mfloat-abi">, 169 HelpText<"The float ABI to use">; 170def mlimit_float_precision : Separate<"-mlimit-float-precision">, 171 HelpText<"Limit float precision to the given value">; 172def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 173 HelpText<"Do not put zero initialized data in the BSS">; 174def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 175 HelpText<"Omit frame pointer setup for leaf functions.">; 176def msoft_float : Flag<"-msoft-float">, 177 HelpText<"Use software floating point">; 178def mrelax_all : Flag<"-mrelax-all">, 179 HelpText<"Relax all machine instructions">; 180def mrelocation_model : Separate<"-mrelocation-model">, 181 HelpText<"The relocation model to use">; 182def munwind_tables : Flag<"-munwind-tables">, 183 HelpText<"Generate unwinding tables for all functions">; 184def mconstructor_aliases : Flag<"-mconstructor-aliases">, 185 HelpText<"Emit complete constructors and destructors as aliases when possible">; 186def mms_bitfields : Flag<"-mms-bitfields">, 187 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 188def O : Joined<"-O">, HelpText<"Optimization level">; 189def Os : Flag<"-Os">, HelpText<"Optimize for size">; 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 MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 200def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 201def MP : Flag<"-MP">, 202 HelpText<"Create phony target for each dependency (other than main file)">; 203 204//===----------------------------------------------------------------------===// 205// Diagnostic Options 206//===----------------------------------------------------------------------===// 207 208def dump_build_information : Separate<"-dump-build-information">, 209 MetaVarName<"<filename>">, 210 HelpText<"output a dump of some build information to a file">; 211def fno_show_column : Flag<"-fno-show-column">, 212 HelpText<"Do not include column number on diagnostics">; 213def fno_show_source_location : Flag<"-fno-show-source-location">, 214 HelpText<"Do not include source location information with diagnostics">; 215def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 216 HelpText<"Which overload candidates to show when overload resolution fails: " 217 "best|all; defaults to all">; 218def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 219 HelpText<"Do not include source line and caret with diagnostics">; 220def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 221 HelpText<"Do not include fixit information in diagnostics">; 222def w : Flag<"-w">, HelpText<"Suppress all warnings">; 223def pedantic : Flag<"-pedantic">; 224def pedantic_errors : Flag<"-pedantic-errors">; 225 226// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 227// driver has stripped off -Wa,foo etc. The driver has also translated -W to 228// -Wextra, so we don't need to worry about it. 229def W : Joined<"-W">; 230 231def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 232 HelpText<"Print source range spans in numeric form">; 233def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 234 HelpText<"Print fix-its in machine parseable form">; 235def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 236 HelpText<"Print diagnostic name with mappable diagnostics">; 237def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 238 HelpText<"Print diagnostic category">; 239 240def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 241 HelpText<"Set the tab stop distance.">; 242def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 243 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 244def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 245 HelpText<"Set the maximum number of entries to print in a macro instantiation backtrace (0 = no limit).">; 246def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 247 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 248def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 249 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 250def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 251 HelpText<"Use colors in diagnostics">; 252def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 253 HelpText<"Silence ObjC rewriting warnings">; 254def Wwrite_strings : Flag<"-Wwrite-strings">, 255 HelpText<"Remove const qualifier from string literals">; 256def verify : Flag<"-verify">, 257 HelpText<"Verify emitted diagnostics and warnings">; 258 259//===----------------------------------------------------------------------===// 260// Frontend Options 261//===----------------------------------------------------------------------===// 262 263// This isn't normally used, it is just here so we can parse a 264// CompilerInvocation out of a driver-derived argument vector. 265def cc1 : Flag<"-cc1">; 266 267def ast_merge : Separate<"-ast-merge">, 268 MetaVarName<"<ast file>">, 269 HelpText<"Merge the given AST file into the translation unit being compiled.">; 270def code_completion_at : Separate<"-code-completion-at">, 271 MetaVarName<"<file>:<line>:<column>">, 272 HelpText<"Dump code-completion information at a location">; 273def remap_file : Separate<"-remap-file">, 274 MetaVarName<"<from>;<to>">, 275 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 276def code_completion_at_EQ : Joined<"-code-completion-at=">, 277 Alias<code_completion_at>; 278def code_completion_macros : Flag<"-code-completion-macros">, 279 HelpText<"Include macros in code-completion results">; 280def code_completion_patterns : Flag<"-code-completion-patterns">, 281 HelpText<"Include code patterns in code-completion results">; 282def no_code_completion_globals : Flag<"-no-code-completion-globals">, 283 HelpText<"Do not include global declarations in code-completion results.">; 284def disable_free : Flag<"-disable-free">, 285 HelpText<"Disable freeing of memory on exit">; 286def help : Flag<"-help">, 287 HelpText<"Print this help text">; 288def _help : Flag<"--help">, Alias<help>; 289def x : Separate<"-x">, HelpText<"Input language type">; 290def cxx_inheritance_view : Separate<"-cxx-inheritance-view">, 291 MetaVarName<"<class name>">, 292 HelpText<"View C++ inheritance for a specified class">; 293def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 294def load : Separate<"-load">, MetaVarName<"<dsopath>">, 295 HelpText<"Load the named plugin (dynamic shared object)">; 296def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 297 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 298def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 299 MetaVarName<"<name> <arg>">, 300 HelpText<"Pass <arg> to plugin <name>">; 301def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 302 HelpText<"Use the named plugin action in addition to the default action">; 303def resource_dir : Separate<"-resource-dir">, 304 HelpText<"The directory which holds the compiler resource files">; 305def version : Flag<"-version">, 306 HelpText<"Print the compiler version">; 307def _version : Flag<"--version">, Alias<version>; 308 309def Action_Group : OptionGroup<"<action group>">; 310let Group = Action_Group in { 311 312def Eonly : Flag<"-Eonly">, 313 HelpText<"Just run preprocessor, no output (for timings)">; 314def E : Flag<"-E">, 315 HelpText<"Run preprocessor, emit preprocessed file">; 316def dump_raw_tokens : Flag<"-dump-raw-tokens">, 317 HelpText<"Lex file in raw mode and dump raw tokens">; 318def analyze : Flag<"-analyze">, 319 HelpText<"Run static analysis engine">; 320def dump_tokens : Flag<"-dump-tokens">, 321 HelpText<"Run preprocessor, dump internal rep of tokens">; 322def init_only : Flag<"-init-only">, 323 HelpText<"Only execute frontend initialization">; 324def fsyntax_only : Flag<"-fsyntax-only">, 325 HelpText<"Run parser and perform semantic analysis">; 326def fixit : Flag<"-fixit">, 327 HelpText<"Apply fix-it advice to the input source">; 328def fixit_EQ : Joined<"-fixit=">, 329 HelpText<"Apply fix-it advice creating a file with the given suffix">; 330def print_preamble : Flag<"-print-preamble">, 331 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 332 " precompiled headers.">; 333def emit_html : Flag<"-emit-html">, 334 HelpText<"Output input source as HTML">; 335def ast_print : Flag<"-ast-print">, 336 HelpText<"Build ASTs and then pretty-print them">; 337def ast_print_xml : Flag<"-ast-print-xml">, 338 HelpText<"Build ASTs and then print them in XML format">; 339def ast_dump : Flag<"-ast-dump">, 340 HelpText<"Build ASTs and then debug dump them">; 341def ast_dump_xml : Flag<"-ast-dump-xml">, 342 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 343def ast_view : Flag<"-ast-view">, 344 HelpText<"Build ASTs and view them with GraphViz">; 345def boostcon : Flag<"-boostcon">, 346 HelpText<"BoostCon workshop mode">; 347def print_decl_contexts : Flag<"-print-decl-contexts">, 348 HelpText<"Print DeclContexts and their Decls">; 349def emit_pth : Flag<"-emit-pth">, 350 HelpText<"Generate pre-tokenized header file">; 351def emit_pch : Flag<"-emit-pch">, 352 HelpText<"Generate pre-compiled header file">; 353def S : Flag<"-S">, 354 HelpText<"Emit native assembly code">; 355def emit_llvm : Flag<"-emit-llvm">, 356 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 357def emit_llvm_bc : Flag<"-emit-llvm-bc">, 358 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 359def emit_llvm_only : Flag<"-emit-llvm-only">, 360 HelpText<"Build ASTs and convert to LLVM, discarding output">; 361def emit_codegen_only : Flag<"-emit-codegen-only">, 362 HelpText<"Generate machine code, but discard output">; 363def emit_obj : Flag<"-emit-obj">, 364 HelpText<"Emit native object files">; 365def rewrite_test : Flag<"-rewrite-test">, 366 HelpText<"Rewriter playground">; 367def rewrite_objc : Flag<"-rewrite-objc">, 368 HelpText<"Rewrite ObjC into C (code rewriter example)">; 369def rewrite_macros : Flag<"-rewrite-macros">, 370 HelpText<"Expand macros without full preprocessing">; 371 372def create_module : Flag<"-create-module">, 373 HelpText<"Create a module definition file">; 374} 375 376def import_module : Separate<"-import-module">, 377 HelpText<"Import a module definition file">; 378 379def working_directory : JoinedOrSeparate<"-working-directory">, 380 HelpText<"Resolve file paths relative to the specified directory">; 381def working_directory_EQ : Joined<"-working-directory=">, 382 Alias<working_directory>; 383 384def relocatable_pch : Flag<"-relocatable-pch">, 385 HelpText<"Whether to build a relocatable precompiled header">; 386def chained_pch : Flag<"-chained-pch">, 387 HelpText<"Whether to chain the new precompiled header to the old one.">; 388def print_stats : Flag<"-print-stats">, 389 HelpText<"Print performance metrics and statistics">; 390def ftime_report : Flag<"-ftime-report">, 391 HelpText<"Print the amount of time each phase of compilation takes">; 392def fdump_record_layouts : Flag<"-fdump-record-layouts">, 393 HelpText<"Dump record layout information">; 394def fix_what_you_can : Flag<"-fix-what-you-can">, 395 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 396 397// Generic forwarding to LLVM options. This should only be used for debugging 398// and experimental features. 399def mllvm : Separate<"-mllvm">, 400 HelpText<"Additional arguments to forward to LLVM's option processing">; 401 402//===----------------------------------------------------------------------===// 403// Language Options 404//===----------------------------------------------------------------------===// 405 406def fno_builtin : Flag<"-fno-builtin">, 407 HelpText<"Disable implicit builtin knowledge of functions">; 408def faltivec : Flag<"-faltivec">, 409 HelpText<"Enable AltiVec vector initializer syntax">; 410def fno_access_control : Flag<"-fno-access-control">, 411 HelpText<"Disable C++ access control">; 412def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 413 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 414def fgnu_keywords : Flag<"-fgnu-keywords">, 415 HelpText<"Allow GNU-extension keywords regardless of language standard">; 416def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 417 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 418def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 419 HelpText<"Allow '$' in identifiers">; 420def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 421 HelpText<"Disallow '$' in identifiers">; 422def femit_all_decls : Flag<"-femit-all-decls">, 423 HelpText<"Emit all declarations, even if unused">; 424def fblocks : Flag<"-fblocks">, 425 HelpText<"enable the 'blocks' language feature">; 426def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 427def fexceptions : Flag<"-fexceptions">, 428 HelpText<"Enable support for exception handling">; 429def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 430 HelpText<"Use SjLj style exceptions">; 431def ffreestanding : Flag<"-ffreestanding">, 432 HelpText<"Assert that the compilation takes place in a freestanding environment">; 433def fgnu_runtime : Flag<"-fgnu-runtime">, 434 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 435def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 436 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 437def std_EQ : Joined<"-std=">, 438 HelpText<"Language standard to compile for">; 439def fmath_errno : Flag<"-fmath-errno">, 440 HelpText<"Require math functions to indicate errors by setting errno">; 441def fms_extensions : Flag<"-fms-extensions">, 442 HelpText<"Accept some non-standard constructs used in Microsoft header files ">; 443def fmsc_version : Joined<"-fmsc-version=">, 444 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 445def fborland_extensions : Flag<"-fborland-extensions">, 446 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 447def main_file_name : Separate<"-main-file-name">, 448 HelpText<"Main file name to use for debug info">; 449def fno_elide_constructors : Flag<"-fno-elide-constructors">, 450 HelpText<"Disable C++ copy constructor elision">; 451def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 452 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 453def fno_operator_names : Flag<"-fno-operator-names">, 454 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 455def fno_signed_char : Flag<"-fno-signed-char">, 456 HelpText<"Char is unsigned">; 457def fno_spell_checking : Flag<"-fno-spell-checking">, 458 HelpText<"Disable spell-checking">; 459def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 460 HelpText<"Don't use __cxa_atexit for calling destructors">; 461def fconstant_string_class : Separate<"-fconstant-string-class">, 462 MetaVarName<"<class name>">, 463 HelpText<"Specify the class to use for constant Objective-C string objects.">; 464def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 465 HelpText<"Enable creation of CodeFoundation-type constant strings">; 466def fobjc_gc : Flag<"-fobjc-gc">, 467 HelpText<"Enable Objective-C garbage collection">; 468def fobjc_gc_only : Flag<"-fobjc-gc-only">, 469 HelpText<"Use GC exclusively for Objective-C related memory management">; 470def fapple_kext : Flag<"-fapple-kext">, 471 HelpText<"Use Apple's kernel extensions ABI">; 472def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 473 HelpText<"Objective-C dispatch method to use">; 474def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 475 HelpText<"enable the default synthesis of Objective-C properties">; 476def print_ivar_layout : Flag<"-print-ivar-layout">, 477 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 478def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">, 479 HelpText<"enable objective-c's nonfragile abi">; 480def ftrapv : Flag<"-ftrapv">, 481 HelpText<"Trap on integer overflow">; 482def ftrapv_handler : Separate<"-ftrapv-handler">, 483 MetaVarName<"<function name>">, 484 HelpText<"Specify the function to be called on overflow.">; 485def fwrapv : Flag<"-fwrapv">, 486 HelpText<"Treat signed integer overflow as two's complement">; 487def pic_level : Separate<"-pic-level">, 488 HelpText<"Value for __PIC__">; 489def pthread : Flag<"-pthread">, 490 HelpText<"Support POSIX threads in generated code">; 491def fpascal_strings : Flag<"-fpascal-strings">, 492 HelpText<"Recognize and construct Pascal-style string literals">; 493def fno_rtti : Flag<"-fno-rtti">, 494 HelpText<"Disable generation of rtti information">; 495def fno_validate_pch : Flag<"-fno-validate-pch">, 496 HelpText<"Disable validation of precompiled headers">; 497def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 498 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 499def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 500 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 501def fshort_wchar : Flag<"-fshort-wchar">, 502 HelpText<"Force wchar_t to be a short unsigned int">; 503def fshort_enums : Flag<"-fshort-enums">, 504 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 505def static_define : Flag<"-static-define">, 506 HelpText<"Should __STATIC__ be defined">; 507def stack_protector : Separate<"-stack-protector">, 508 HelpText<"Enable stack protectors">; 509def fvisibility : Separate<"-fvisibility">, 510 HelpText<"Default symbol visibility">; 511def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 512 HelpText<"Give inline C++ member functions default visibility by default">; 513def ftemplate_depth : Separate<"-ftemplate-depth">, 514 HelpText<"Maximum depth of recursive template instantiation">; 515def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 516 HelpText<"Warn if a function definition returns or accepts an object larger " 517 "in bytes that a given value">; 518def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 519 Alias<Wlarge_by_value_copy>; 520def trigraphs : Flag<"-trigraphs">, 521 HelpText<"Process trigraph sequences">; 522def fwritable_strings : Flag<"-fwritable-strings">, 523 HelpText<"Store string literals as writable data">; 524def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 525 HelpText<"Ignore bit-field types when aligning structures">; 526 527//===----------------------------------------------------------------------===// 528// Header Search Options 529//===----------------------------------------------------------------------===// 530 531def nostdinc : Flag<"-nostdinc">, 532 HelpText<"Disable standard #include directories">; 533def nostdincxx : Flag<"-nostdinc++">, 534 HelpText<"Disable standard #include directories for the C++ standard library">; 535def nobuiltininc : Flag<"-nobuiltininc">, 536 HelpText<"Disable builtin #include directories">; 537def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 538 HelpText<"Add directory to framework include search path">; 539def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 540 HelpText<"Add directory to include search path">; 541def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 542 HelpText<"Add directory to AFTER include search path">; 543def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 544 HelpText<"Add directory to QUOTE include search path">; 545def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 546 HelpText<"Add directory to SYSTEM include search path">; 547def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 548 HelpText<"Add directory to SYSTEM include search path, " 549 "absolute paths are relative to -isysroot">; 550def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 551 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 552def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 553 HelpText<"Set directory to SYSTEM include search path with prefix">; 554def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 555 MetaVarName<"<dir>">, 556 HelpText<"Set directory to include search path with prefix">; 557def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 558 HelpText<"Set the system root directory (usually /)">; 559def cxx_system_include : Separate<"-cxx-system-include">, 560 HelpText<"Add a system #include directory for the C++ standard library">; 561def v : Flag<"-v">, HelpText<"Enable verbose output">; 562 563//===----------------------------------------------------------------------===// 564// Preprocessor Options 565//===----------------------------------------------------------------------===// 566 567def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 568 HelpText<"Predefine the specified macro">; 569def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 570 HelpText<"Include file before parsing">; 571def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 572 HelpText<"Include macros from file before parsing">; 573def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 574 HelpText<"Include precompiled header file">; 575def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 576 HelpText<"Include file before parsing">; 577def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 578 HelpText<"Assume that the precompiled header is a precompiled preamble " 579 "covering the first N bytes of the main file">; 580def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 581 HelpText<"Use specified token cache file">; 582def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 583 HelpText<"Undefine the specified macro">; 584def undef : Flag<"-undef">, MetaVarName<"<macro>">, 585 HelpText<"undef all system defines">; 586def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 587 HelpText<"include a detailed record of preprocessing actions">; 588 589//===----------------------------------------------------------------------===// 590// Preprocessed Output Options 591//===----------------------------------------------------------------------===// 592 593def P : Flag<"-P">, 594 HelpText<"Disable linemarker output in -E mode">; 595def C : Flag<"-C">, 596 HelpText<"Enable comment output in -E mode">; 597def CC : Flag<"-CC">, 598 HelpText<"Enable comment output in -E mode, even from macro expansions">; 599def dM : Flag<"-dM">, 600 HelpText<"Print macro definitions in -E mode instead of normal output">; 601def dD : Flag<"-dD">, 602 HelpText<"Print macro definitions in -E mode in addition to normal output">; 603def H : Flag<"-H">, 604 HelpText<"Show header includes and nesting depth">; 605 606//===----------------------------------------------------------------------===// 607// OpenCL Options 608//===----------------------------------------------------------------------===// 609 610def cl_opt_disable : Flag<"-cl-opt-disable">, 611 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 612def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 613 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 614def cl_finite_math_only : Flag<"-cl-finite-math-only">, 615 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 616def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 617 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 618def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 619 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 620def cl_mad_enable : Flag<"-cl-mad-enable">, 621 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 622def cl_std_EQ : Joined<"-cl-std=">, 623 HelpText<"OpenCL language standard to compile for">; 624