CC1Options.td revision 36f6e30d5c21a693abf2612ef086e83e9696f0e0
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 fdebug_compilation_dir : Separate<"-fdebug-compilation-dir">, 114 HelpText<"The compilation directory to embed in the debug info.">; 115def dwarf_debug_flags : Separate<"-dwarf-debug-flags">, 116 HelpText<"The string to embed in the Dwarf debug flags record.">; 117def fforbid_guard_variables : Flag<"-fforbid-guard-variables">, 118 HelpText<"Emit an error if a C++ static local initializer would need a guard variable">; 119def g : Flag<"-g">, HelpText<"Generate source level debug information">; 120def fno_dwarf2_cfi_asm : Flag<"-fno-dwarf2-cfi-asm">, 121 HelpText<"Don't use the cfi directives">; 122def fno_dwarf_directory_asm : Flag<"-fno-dwarf-directory-asm">, 123 HelpText<"Don't separate directory and filename in .file directives">; 124def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">, 125 HelpText<"Generate runtime checks for undefined behavior.">; 126def flimit_debug_info : Flag<"-flimit-debug-info">, 127 HelpText<"Limit debug information produced to reduce size of debug binary">; 128def fno_common : Flag<"-fno-common">, 129 HelpText<"Compile common globals like normal definitions">; 130def no_implicit_float : Flag<"-no-implicit-float">, 131 HelpText<"Don't generate implicit floating point instructions (x86-only)">; 132def finstrument_functions : Flag<"-finstrument-functions">, 133 HelpText<"Generate calls to instrument function entry and exit">; 134def fno_limit_debug_info : Flag<"-fno-limit-debug-info">, 135 HelpText<"Do not limit debug information produced to reduce size of debug binary">; 136def fno_merge_all_constants : Flag<"-fno-merge-all-constants">, 137 HelpText<"Disallow merging of constants.">; 138def fno_threadsafe_statics : Flag<"-fno-threadsafe-statics">, 139 HelpText<"Do not emit code to make initialization of local statics thread safe">; 140def fdump_vtable_layouts : Flag<"-fdump-vtable-layouts">, 141 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">; 142def ffunction_sections : Flag<"-ffunction-sections">, 143 HelpText<"Place each function in its own section (ELF Only)">; 144def fdata_sections : Flag<"-fdata-sections">, 145 HelpText<"Place each data in its own section (ELF Only)">; 146def funroll_loops : Flag<"-funroll-loops">, 147 HelpText<"Turn on loop unroller">; 148def femit_coverage_notes : Flag<"-femit-coverage-notes">, 149 HelpText<"Emit a gcov coverage notes file when compiling.">; 150def femit_coverage_data: Flag<"-femit-coverage-data">, 151 HelpText<"Instrument the program to emit gcov coverage data when run.">; 152def coverage_file : Separate<"-coverage-file">, 153 HelpText<"Emit coverage data to this filename. The extension will be replaced.">; 154def coverage_file_EQ : Joined<"-coverage-file=">, Alias<coverage_file>; 155def fuse_register_sized_bitfield_access: Flag<"-fuse-register-sized-bitfield-access">, 156 HelpText<"Use register sized accesses to bit-fields, when possible.">; 157def relaxed_aliasing : Flag<"-relaxed-aliasing">, 158 HelpText<"Turn off Type Based Alias Analysis">; 159def masm_verbose : Flag<"-masm-verbose">, 160 HelpText<"Generate verbose assembly output">; 161def mcode_model : Separate<"-mcode-model">, 162 HelpText<"The code model to use">; 163def mdebug_pass : Separate<"-mdebug-pass">, 164 HelpText<"Enable additional debug output">; 165def mdisable_fp_elim : Flag<"-mdisable-fp-elim">, 166 HelpText<"Disable frame pointer elimination optimization">; 167def mfloat_abi : Separate<"-mfloat-abi">, 168 HelpText<"The float ABI to use">; 169def mno_global_merge : Flag<"-mno-global-merge">, 170 HelpText<"Disable merging of globals">; 171def mlimit_float_precision : Separate<"-mlimit-float-precision">, 172 HelpText<"Limit float precision to the given value">; 173def mno_exec_stack : Flag<"-mnoexecstack">, 174 HelpText<"Mark the file as not needing an executable stack">; 175def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">, 176 HelpText<"Do not put zero initialized data in the BSS">; 177def momit_leaf_frame_pointer : Flag<"-momit-leaf-frame-pointer">, 178 HelpText<"Omit frame pointer setup for leaf functions.">; 179def msoft_float : Flag<"-msoft-float">, 180 HelpText<"Use software floating point">; 181def backend_option : Separate<"-backend-option">, 182 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">; 183def mregparm : Separate<"-mregparm">, 184 HelpText<"Limit the number of registers available for integer arguments">; 185def mrelax_all : Flag<"-mrelax-all">, 186 HelpText<"(integrated-as) Relax all machine instructions">; 187def msave_temp_labels : Flag<"-msave-temp-labels">, 188 HelpText<"(integrated-as) Save temporary labels">; 189def mrtd: Flag<"-mrtd">, 190 HelpText<"Make StdCall calling convention the default">; 191def mrelocation_model : Separate<"-mrelocation-model">, 192 HelpText<"The relocation model to use">; 193def munwind_tables : Flag<"-munwind-tables">, 194 HelpText<"Generate unwinding tables for all functions">; 195def mconstructor_aliases : Flag<"-mconstructor-aliases">, 196 HelpText<"Emit complete constructors and destructors as aliases when possible">; 197def mms_bitfields : Flag<"-mms-bitfields">, 198 HelpText<"Set the default structure layout to be compatible with the Microsoft compiler standard.">; 199def mstackrealign : Flag<"-mstackrealign">, 200 HelpText<"Force realign the stack at entry to every function.">; 201def mlink_bitcode_file : Separate<"-mlink-bitcode-file">, 202 HelpText<"Link the given bitcode file before performing optimizations.">; 203def O : Joined<"-O">, HelpText<"Optimization level">; 204def Os : Flag<"-Os">, HelpText<"Optimize for size">; 205def Oz : Flag<"-Oz">, HelpText<"Optimize for size, regardless of performance">; 206def pg : Flag<"-pg">, HelpText<"Enable mcount instrumentation">; 207 208//===----------------------------------------------------------------------===// 209// Dependency Output Options 210//===----------------------------------------------------------------------===// 211 212def dependency_file : Separate<"-dependency-file">, 213 HelpText<"Filename (or -) to write dependency output to">; 214def sys_header_deps : Flag<"-sys-header-deps">, 215 HelpText<"Include system headers in dependency output">; 216def header_include_file : Separate<"-header-include-file">, 217 HelpText<"Filename (or -) to write header include output to">; 218def H : Flag<"-H">, 219 HelpText<"Show header includes and nesting depth">; 220def MQ : Separate<"-MQ">, HelpText<"Specify target to quote for dependency">; 221def MT : Separate<"-MT">, HelpText<"Specify target for dependency">; 222def MP : Flag<"-MP">, 223 HelpText<"Create phony target for each dependency (other than main file)">; 224def MG : Flag<"-MG">, HelpText<"Add missing headers to dependency list">; 225 226//===----------------------------------------------------------------------===// 227// Diagnostic Options 228//===----------------------------------------------------------------------===// 229 230def dump_build_information : Separate<"-dump-build-information">, 231 MetaVarName<"<filename>">, 232 HelpText<"output a dump of some build information to a file">; 233def diagnostic_log_file : Separate<"-diagnostic-log-file">, 234 HelpText<"Filename (or -) to log diagnostics to">; 235def diagnostic_serialized_file : Separate<"-serialize-diagnostic-file">, 236 MetaVarName<"<filename>">, 237 HelpText<"File for serializing diagnostics in a binary format">; 238def fno_show_column : Flag<"-fno-show-column">, 239 HelpText<"Do not include column number on diagnostics">; 240def fshow_column : Flag<"-fshow-column">, 241 HelpText<"Include column number on diagnostics">; 242def fno_show_source_location : Flag<"-fno-show-source-location">, 243 HelpText<"Do not include source location information with diagnostics">; 244def fshow_overloads_EQ : Joined<"-fshow-overloads=">, 245 HelpText<"Which overload candidates to show when overload resolution fails: " 246 "best|all; defaults to all">; 247def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">, 248 HelpText<"Do not include source line and caret with diagnostics">; 249def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">, 250 HelpText<"Do not include fixit information in diagnostics">; 251def fno_diagnostics_show_note_include_stack : 252 Flag<"-fno-diagnostics-show-note-include-stack">, 253 HelpText<"Display include stacks for diagnostic notes">; 254def w : Flag<"-w">, HelpText<"Suppress all warnings">; 255def pedantic : Flag<"-pedantic">; 256def pedantic_errors : Flag<"-pedantic-errors">; 257 258// This gets all -W options, including -Werror, -W[no-]system-headers, etc. The 259// driver has stripped off -Wa,foo etc. The driver has also translated -W to 260// -Wextra, so we don't need to worry about it. 261def W : Joined<"-W">; 262 263def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">, 264 HelpText<"Print source range spans in numeric form">; 265def fdiagnostics_parseable_fixits : Flag<"-fdiagnostics-parseable-fixits">, 266 HelpText<"Print fix-its in machine parseable form">; 267def fdiagnostics_show_name : Flag<"-fdiagnostics-show-name">, 268 HelpText<"Print diagnostic name">; 269def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">, 270 HelpText<"Print option name with mappable diagnostics">; 271def fdiagnostics_format : Separate<"-fdiagnostics-format">, 272 HelpText<"Change diagnostic formatting to match IDE and command line tools">; 273def fdiagnostics_show_category : Separate<"-fdiagnostics-show-category">, 274 HelpText<"Print diagnostic category">; 275def fdiagnostics_show_note_include_stack : 276 Flag<"-fdiagnostics-show-note-include-stack">, 277 HelpText<"Display include stacks for diagnostic notes">; 278def ftabstop : Separate<"-ftabstop">, MetaVarName<"<N>">, 279 HelpText<"Set the tab stop distance.">; 280def ferror_limit : Separate<"-ferror-limit">, MetaVarName<"<N>">, 281 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">; 282def fmacro_backtrace_limit : Separate<"-fmacro-backtrace-limit">, MetaVarName<"<N>">, 283 HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">; 284def ftemplate_backtrace_limit : Separate<"-ftemplate-backtrace-limit">, MetaVarName<"<N>">, 285 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">; 286def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"<N>">, 287 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">; 288def fcolor_diagnostics : Flag<"-fcolor-diagnostics">, 289 HelpText<"Use colors in diagnostics">; 290def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">, 291 HelpText<"Silence ObjC rewriting warnings">; 292def verify : Flag<"-verify">, 293 HelpText<"Verify emitted diagnostics and warnings">; 294 295//===----------------------------------------------------------------------===// 296// Frontend Options 297//===----------------------------------------------------------------------===// 298 299// This isn't normally used, it is just here so we can parse a 300// CompilerInvocation out of a driver-derived argument vector. 301def cc1 : Flag<"-cc1">; 302 303def ast_merge : Separate<"-ast-merge">, 304 MetaVarName<"<ast file>">, 305 HelpText<"Merge the given AST file into the translation unit being compiled.">; 306def code_completion_at : Separate<"-code-completion-at">, 307 MetaVarName<"<file>:<line>:<column>">, 308 HelpText<"Dump code-completion information at a location">; 309def remap_file : Separate<"-remap-file">, 310 MetaVarName<"<from>;<to>">, 311 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">; 312def code_completion_at_EQ : Joined<"-code-completion-at=">, 313 Alias<code_completion_at>; 314def code_completion_macros : Flag<"-code-completion-macros">, 315 HelpText<"Include macros in code-completion results">; 316def code_completion_patterns : Flag<"-code-completion-patterns">, 317 HelpText<"Include code patterns in code-completion results">; 318def no_code_completion_globals : Flag<"-no-code-completion-globals">, 319 HelpText<"Do not include global declarations in code-completion results.">; 320def disable_free : Flag<"-disable-free">, 321 HelpText<"Disable freeing of memory on exit">; 322def help : Flag<"-help">, 323 HelpText<"Print this help text">; 324def _help : Flag<"--help">, Alias<help>; 325def x : Separate<"-x">, HelpText<"Input language type">; 326def o : Separate<"-o">, MetaVarName<"<path>">, HelpText<"Specify output file">; 327def load : Separate<"-load">, MetaVarName<"<dsopath>">, 328 HelpText<"Load the named plugin (dynamic shared object)">; 329def plugin : Separate<"-plugin">, MetaVarName<"<name>">, 330 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">; 331def plugin_arg : JoinedAndSeparate<"-plugin-arg-">, 332 MetaVarName<"<name> <arg>">, 333 HelpText<"Pass <arg> to plugin <name>">; 334def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">, 335 HelpText<"Use the named plugin action in addition to the default action">; 336def resource_dir : Separate<"-resource-dir">, 337 HelpText<"The directory which holds the compiler resource files">; 338def version : Flag<"-version">, 339 HelpText<"Print the compiler version">; 340def _version : Flag<"--version">, Alias<version>; 341 342def Action_Group : OptionGroup<"<action group>">; 343let Group = Action_Group in { 344 345def Eonly : Flag<"-Eonly">, 346 HelpText<"Just run preprocessor, no output (for timings)">; 347def E : Flag<"-E">, 348 HelpText<"Run preprocessor, emit preprocessed file">; 349def dump_raw_tokens : Flag<"-dump-raw-tokens">, 350 HelpText<"Lex file in raw mode and dump raw tokens">; 351def analyze : Flag<"-analyze">, 352 HelpText<"Run static analysis engine">; 353def dump_tokens : Flag<"-dump-tokens">, 354 HelpText<"Run preprocessor, dump internal rep of tokens">; 355def init_only : Flag<"-init-only">, 356 HelpText<"Only execute frontend initialization">; 357def fsyntax_only : Flag<"-fsyntax-only">, 358 HelpText<"Run parser and perform semantic analysis">; 359def fixit : Flag<"-fixit">, 360 HelpText<"Apply fix-it advice to the input source">; 361def fixit_EQ : Joined<"-fixit=">, 362 HelpText<"Apply fix-it advice creating a file with the given suffix">; 363def print_preamble : Flag<"-print-preamble">, 364 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit" 365 " precompiled headers.">; 366def emit_html : Flag<"-emit-html">, 367 HelpText<"Output input source as HTML">; 368def ast_print : Flag<"-ast-print">, 369 HelpText<"Build ASTs and then pretty-print them">; 370def ast_dump : Flag<"-ast-dump">, 371 HelpText<"Build ASTs and then debug dump them">; 372def ast_dump_xml : Flag<"-ast-dump-xml">, 373 HelpText<"Build ASTs and then debug dump them in a verbose XML format">; 374def ast_view : Flag<"-ast-view">, 375 HelpText<"Build ASTs and view them with GraphViz">; 376def print_decl_contexts : Flag<"-print-decl-contexts">, 377 HelpText<"Print DeclContexts and their Decls">; 378def emit_module : Flag<"-emit-module">, 379 HelpText<"Generate pre-compiled module file">; 380def emit_pth : Flag<"-emit-pth">, 381 HelpText<"Generate pre-tokenized header file">; 382def emit_pch : Flag<"-emit-pch">, 383 HelpText<"Generate pre-compiled header file">; 384def S : Flag<"-S">, 385 HelpText<"Emit native assembly code">; 386def emit_llvm : Flag<"-emit-llvm">, 387 HelpText<"Build ASTs then convert to LLVM, emit .ll file">; 388def emit_llvm_bc : Flag<"-emit-llvm-bc">, 389 HelpText<"Build ASTs then convert to LLVM, emit .bc file">; 390def emit_llvm_only : Flag<"-emit-llvm-only">, 391 HelpText<"Build ASTs and convert to LLVM, discarding output">; 392def emit_codegen_only : Flag<"-emit-codegen-only">, 393 HelpText<"Generate machine code, but discard output">; 394def emit_obj : Flag<"-emit-obj">, 395 HelpText<"Emit native object files">; 396def rewrite_test : Flag<"-rewrite-test">, 397 HelpText<"Rewriter playground">; 398def rewrite_objc : Flag<"-rewrite-objc">, 399 HelpText<"Rewrite ObjC into C (code rewriter example)">; 400def rewrite_macros : Flag<"-rewrite-macros">, 401 HelpText<"Expand macros without full preprocessing">; 402} 403 404def arcmt_check : Flag<"-arcmt-check">, 405 HelpText<"Check for ARC migration issues that need manual handling">; 406def arcmt_modify : Flag<"-arcmt-modify">, 407 HelpText<"Apply modifications to files to conform to ARC">; 408def arcmt_migrate : Flag<"-arcmt-migrate">, 409 HelpText<"Apply modifications and produces temporary files that conform to ARC">; 410def arcmt_migrate_directory : Separate<"-arcmt-migrate-directory">, 411 HelpText<"Directory for temporary files produced during ARC migration">; 412def arcmt_migrate_report_output : Separate<"-arcmt-migrate-report-output">, 413 HelpText<"Output path for the plist report">; 414def arcmt_migrate_emit_arc_errors : Flag<"-arcmt-migrate-emit-errors">, 415 HelpText<"Emit ARC errors even if the migrator can fix them">; 416 417def working_directory : JoinedOrSeparate<"-working-directory">, 418 HelpText<"Resolve file paths relative to the specified directory">; 419def working_directory_EQ : Joined<"-working-directory=">, 420 Alias<working_directory>; 421 422def relocatable_pch : Flag<"-relocatable-pch">, 423 HelpText<"Whether to build a relocatable precompiled header">; 424def print_stats : Flag<"-print-stats">, 425 HelpText<"Print performance metrics and statistics">; 426def ftime_report : Flag<"-ftime-report">, 427 HelpText<"Print the amount of time each phase of compilation takes">; 428def fdump_record_layouts : Flag<"-fdump-record-layouts">, 429 HelpText<"Dump record layout information">; 430def fix_what_you_can : Flag<"-fix-what-you-can">, 431 HelpText<"Apply fix-it advice even in the presence of unfixable errors">; 432 433// Generic forwarding to LLVM options. This should only be used for debugging 434// and experimental features. 435def mllvm : Separate<"-mllvm">, 436 HelpText<"Additional arguments to forward to LLVM's option processing">; 437 438//===----------------------------------------------------------------------===// 439// Language Options 440//===----------------------------------------------------------------------===// 441 442def fno_builtin : Flag<"-fno-builtin">, 443 HelpText<"Disable implicit builtin knowledge of functions">; 444def faltivec : Flag<"-faltivec">, 445 HelpText<"Enable AltiVec vector initializer syntax">; 446def fno_access_control : Flag<"-fno-access-control">, 447 HelpText<"Disable C++ access control">; 448def fno_assume_sane_operator_new : Flag<"-fno-assume-sane-operator-new">, 449 HelpText<"Don't assume that C++'s global operator new can't alias any pointer">; 450def fgnu_keywords : Flag<"-fgnu-keywords">, 451 HelpText<"Allow GNU-extension keywords regardless of language standard">; 452def fgnu89_inline : Flag<"-fgnu89-inline">, 453 HelpText<"Use the gnu89 inline semantics">; 454def fno_gnu_keywords : Flag<"-fno-gnu-keywords">, 455 HelpText<"Disallow GNU-extension keywords regardless of language standard">; 456def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, 457 HelpText<"Allow '$' in identifiers">; 458def fno_dollars_in_identifiers : Flag<"-fno-dollars-in-identifiers">, 459 HelpText<"Disallow '$' in identifiers">; 460def femit_all_decls : Flag<"-femit-all-decls">, 461 HelpText<"Emit all declarations, even if unused">; 462def fblocks : Flag<"-fblocks">, 463 HelpText<"Enable the 'blocks' language feature">; 464def fblocks_runtime_optional : Flag<"-fblocks-runtime-optional">, 465 HelpText<"Weakly link in the blocks runtime">; 466def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">; 467def fexceptions : Flag<"-fexceptions">, 468 HelpText<"Enable support for exception handling">; 469def fobjc_exceptions : Flag<"-fobjc-exceptions">, 470 HelpText<"Enable Objective-C exceptions">; 471def fcxx_exceptions : Flag<"-fcxx-exceptions">, 472 HelpText<"Enable C++ exceptions">; 473def fsjlj_exceptions : Flag<"-fsjlj-exceptions">, 474 HelpText<"Use SjLj style exceptions">; 475def ffreestanding : Flag<"-ffreestanding">, 476 HelpText<"Assert that the compilation takes place in a freestanding environment">; 477def fgnu_runtime : Flag<"-fgnu-runtime">, 478 HelpText<"Generate output compatible with the standard GNU Objective-C runtime">; 479def fhidden_weak_vtables : Flag<"-fhidden-weak-vtables">, 480 HelpText<"Generate weak vtables and RTTI with hidden visibility">; 481def std_EQ : Joined<"-std=">, 482 HelpText<"Language standard to compile for">; 483def stdlib_EQ : Joined<"-stdlib=">, 484 HelpText<"C++ standard library to use">; 485def fmath_errno : Flag<"-fmath-errno">, 486 HelpText<"Require math functions to indicate errors by setting errno">; 487def fms_extensions : Flag<"-fms-extensions">, 488 HelpText<"Accept some non-standard constructs supported by the Microsoft compiler">; 489def fms_compatibility : Flag<"-fms-compatibility">, 490 HelpText<"Enable Microsoft compatibility mode">; 491def fmsc_version : Joined<"-fmsc-version=">, 492 HelpText<"Version of the Microsoft C/C++ compiler to report in _MSC_VER (0 = don't define it (default))">; 493def fborland_extensions : Flag<"-fborland-extensions">, 494 HelpText<"Accept non-standard constructs supported by the Borland compiler">; 495def main_file_name : Separate<"-main-file-name">, 496 HelpText<"Main file name to use for debug info">; 497def fno_elide_constructors : Flag<"-fno-elide-constructors">, 498 HelpText<"Disable C++ copy constructor elision">; 499def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">, 500 HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">; 501def fno_operator_names : Flag<"-fno-operator-names">, 502 HelpText<"Do not treat C++ operator name keywords as synonyms for operators">; 503def fno_signed_char : Flag<"-fno-signed-char">, 504 HelpText<"Char is unsigned">; 505def fno_spell_checking : Flag<"-fno-spell-checking">, 506 HelpText<"Disable spell-checking">; 507def fno_use_cxa_atexit : Flag<"-fno-use-cxa-atexit">, 508 HelpText<"Don't use __cxa_atexit for calling destructors">; 509def fconstant_string_class : Separate<"-fconstant-string-class">, 510 MetaVarName<"<class name>">, 511 HelpText<"Specify the class to use for constant Objective-C string objects.">; 512def fno_constant_cfstrings : Flag<"-fno-constant-cfstrings">, 513 HelpText<"Enable creation of CodeFoundation-type constant strings">; 514def fobjc_arc : Flag<"-fobjc-arc">, 515 HelpText<"Synthesize retain and release calls for Objective-C pointers">; 516def fobjc_arc_cxxlib_EQ : Joined<"-fobjc-arc-cxxlib=">, 517 HelpText<"Objective-C++ Automatic Reference Counting standard library kind">; 518def fobjc_arc_exceptions : Flag<"-fobjc-arc-exceptions">, 519 HelpText<"Use EH-safe code when synthesizing retains and releases in -fobjc-arc">; 520def fobjc_runtime_has_arc : Flag<"-fobjc-runtime-has-arc">, 521 HelpText<"The target Objective-C runtime provides ARC entrypoints">; 522def fobjc_runtime_has_weak : Flag<"-fobjc-runtime-has-weak">, 523 HelpText<"The target Objective-C runtime supports ARC weak operations">; 524def fobjc_runtime_has_terminate : Flag<"-fobjc-runtime-has-terminate">, 525 HelpText<"The target Objective-C runtime provides an objc_terminate entrypoint">; 526def fobjc_gc : Flag<"-fobjc-gc">, 527 HelpText<"Enable Objective-C garbage collection">; 528def fobjc_gc_only : Flag<"-fobjc-gc-only">, 529 HelpText<"Use GC exclusively for Objective-C related memory management">; 530def fapple_kext : Flag<"-fapple-kext">, 531 HelpText<"Use Apple's kernel extensions ABI">; 532def fobjc_dispatch_method_EQ : Joined<"-fobjc-dispatch-method=">, 533 HelpText<"Objective-C dispatch method to use">; 534def fobjc_default_synthesize_properties : Flag<"-fobjc-default-synthesize-properties">, 535 HelpText<"enable the default synthesis of Objective-C properties">; 536def print_ivar_layout : Flag<"-print-ivar-layout">, 537 HelpText<"Enable Objective-C Ivar layout bitmap print trace">; 538def fobjc_fragile_abi : Flag<"-fobjc-fragile-abi">, 539 HelpText<"Use Objective-C's fragile ABI">; 540def fno_objc_infer_related_result_type : Flag< 541 "-fno-objc-infer-related-result-type">, 542 HelpText< 543 "do not infer Objective-C related result type based on method family">; 544def ftrapv : Flag<"-ftrapv">, 545 HelpText<"Trap on integer overflow">; 546def ftrapv_handler : Separate<"-ftrapv-handler">, 547 MetaVarName<"<function name>">, 548 HelpText<"Specify the function to be called on overflow.">; 549def fwrapv : Flag<"-fwrapv">, 550 HelpText<"Treat signed integer overflow as two's complement">; 551def pic_level : Separate<"-pic-level">, 552 HelpText<"Value for __PIC__">; 553def pthread : Flag<"-pthread">, 554 HelpText<"Support POSIX threads in generated code">; 555def fpack_struct : Separate<"-fpack-struct">, 556 HelpText<"Specify the default maximum struct packing alignment">; 557def fpascal_strings : Flag<"-fpascal-strings">, 558 HelpText<"Recognize and construct Pascal-style string literals">; 559def fno_rtti : Flag<"-fno-rtti">, 560 HelpText<"Disable generation of rtti information">; 561def fno_validate_pch : Flag<"-fno-validate-pch">, 562 HelpText<"Disable validation of precompiled headers">; 563def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">, 564 HelpText<"Dump declarations that are deserialized from PCH, for testing">; 565def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">, 566 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">; 567def error_on_deserialized_pch_decl_EQ : Joined<"-error-on-deserialized-decl=">, 568 Alias<error_on_deserialized_pch_decl>; 569def fshort_wchar : Flag<"-fshort-wchar">, 570 HelpText<"Force wchar_t to be a short unsigned int">; 571def fshort_enums : Flag<"-fshort-enums">, 572 HelpText<"Allocate to an enum type only as many bytes as it needs for the declared range of possible values">; 573def static_define : Flag<"-static-define">, 574 HelpText<"Should __STATIC__ be defined">; 575def stack_protector : Separate<"-stack-protector">, 576 HelpText<"Enable stack protectors">; 577def fvisibility : Separate<"-fvisibility">, 578 HelpText<"Default symbol visibility">; 579def fvisibility_inlines_hidden : Flag<"-fvisibility-inlines-hidden">, 580 HelpText<"Give inline C++ member functions default visibility by default">; 581def ftemplate_depth : Separate<"-ftemplate-depth">, 582 HelpText<"Maximum depth of recursive template instantiation">; 583def Wlarge_by_value_copy : Separate<"-Wlarge-by-value-copy">, 584 HelpText<"Warn if a function definition returns or accepts an object larger " 585 "in bytes that a given value">; 586def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">, 587 Alias<Wlarge_by_value_copy>; 588def trigraphs : Flag<"-trigraphs">, 589 HelpText<"Process trigraph sequences">; 590def fwritable_strings : Flag<"-fwritable-strings">, 591 HelpText<"Store string literals as writable data">; 592def fconst_strings : Flag<"-fconst-strings">, 593 HelpText<"Use a const qualified type for string literals in C and ObjC">; 594def fno_const_strings : Flag<"-fno-const-strings">, 595 HelpText<"Don't use a const qualified type for string literals in C and ObjC">; 596def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, 597 HelpText<"Ignore bit-field types when aligning structures">; 598def traditional_cpp : Flag<"-traditional-cpp">, 599 HelpText<"Enable some traditional CPP emulation">; 600def ffake_address_space_map : Flag<"-ffake-address-space-map">, 601 HelpText<"Use a fake address space map; OpenCL testing purposes only">; 602def fdelayed_template_parsing : Flag<"-fdelayed-template-parsing">, 603 HelpText<"Parse templated function definitions at the end of the " 604 "translation unit ">; 605def funknown_anytype : Flag<"-funknown-anytype">, 606 HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">; 607def fdebugger_support : Flag<"-fdebugger-support">, 608 HelpText<"Enable special debugger support behavior">; 609def fdeprecated_macro : Flag<"-fdeprecated-macro">, 610 HelpText<"Defines the __DEPRECATED macro">; 611def fno_deprecated_macro : Flag<"-fno-deprecated-macro">, 612 HelpText<"Undefines the __DEPRECATED macro">; 613def fapple_pragma_pack : Flag<"-fapple-pragma-pack">, 614 HelpText<"Enable Apple gcc-compatible #pragma pack handling">; 615 616//===----------------------------------------------------------------------===// 617// Header Search Options 618//===----------------------------------------------------------------------===// 619 620def nostdsysteminc : Flag<"-nostdsysteminc">, 621 HelpText<"Disable standard system #include directories">; 622def nostdincxx : Flag<"-nostdinc++">, 623 HelpText<"Disable standard #include directories for the C++ standard library">; 624def nobuiltininc : Flag<"-nobuiltininc">, 625 HelpText<"Disable builtin #include directories">; 626def fmodule_cache_path : Separate<"-fmodule-cache-path">, 627 MetaVarName<"<directory>">, 628 HelpText<"Specify the module cache path">; 629def fdisable_module_hash : Flag<"-fdisable-module-hash">, 630 HelpText<"Disable the module hash">; 631def fauto_module_import : Flag<"-fauto-module-import">, 632 HelpText<"Automatically translate #include/#import into module imports " 633 "when possible">; 634 635def F : JoinedOrSeparate<"-F">, MetaVarName<"<directory>">, 636 HelpText<"Add directory to framework include search path">; 637def I : JoinedOrSeparate<"-I">, MetaVarName<"<directory>">, 638 HelpText<"Add directory to include search path">; 639def idirafter : JoinedOrSeparate<"-idirafter">, MetaVarName<"<directory>">, 640 HelpText<"Add directory to AFTER include search path">; 641def index_header_map : Flag<"-index-header-map">, 642 HelpText<"Make the next included directory (-I or -F) an indexer header map">; 643def iquote : JoinedOrSeparate<"-iquote">, MetaVarName<"<directory>">, 644 HelpText<"Add directory to QUOTE include search path">; 645def c_isystem : JoinedOrSeparate<"-c-isystem">, MetaVarName<"<directory>">, 646 HelpText<"Add directory to the C SYSTEM include search path">; 647def cxx_isystem : JoinedOrSeparate<"-cxx-isystem">, MetaVarName<"<directory>">, 648 HelpText<"Add directory to the C++ SYSTEM include search path">; 649def objc_isystem : JoinedOrSeparate<"-objc-isystem">, 650 MetaVarName<"<directory>">, 651 HelpText<"Add directory to the ObjC SYSTEM include search path">; 652def objcxx_isystem : JoinedOrSeparate<"-objcxx-isystem">, 653 MetaVarName<"<directory>">, 654 HelpText<"Add directory to the ObjC++ SYSTEM include search path">; 655def iframework : JoinedOrSeparate<"-iframework">, MetaVarName<"<directory>">, 656 HelpText<"Add directory to SYSTEM framework search path">; 657def isystem : JoinedOrSeparate<"-isystem">, MetaVarName<"<directory>">, 658 HelpText<"Add directory to SYSTEM include search path">; 659def iwithsysroot : JoinedOrSeparate<"-iwithsysroot">,MetaVarName<"<directory>">, 660 HelpText<"Add directory to SYSTEM include search path, " 661 "absolute paths are relative to -isysroot">; 662def internal_isystem : JoinedOrSeparate<"-internal-isystem">, 663 MetaVarName<"<directory>">, 664 HelpText<"Add directory to the internal system include search path; these " 665 "are assumed to not be user-provided and are used to model system " 666 "and standard headers' paths.">; 667def internal_externc_isystem : JoinedOrSeparate<"-internal-externc-isystem">, 668 MetaVarName<"<directory>">, 669 HelpText<"Add directory to the internal system include search path with " 670 "implicit extern \"C\" semantics; these are assumed to not be " 671 "user-provided and are used to model system and standard headers' " 672 "paths.">; 673def iprefix : JoinedOrSeparate<"-iprefix">, MetaVarName<"<prefix>">, 674 HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">; 675def iwithprefix : JoinedOrSeparate<"-iwithprefix">, MetaVarName<"<dir>">, 676 HelpText<"Set directory to SYSTEM include search path with prefix">; 677def iwithprefixbefore : JoinedOrSeparate<"-iwithprefixbefore">, 678 MetaVarName<"<dir>">, 679 HelpText<"Set directory to include search path with prefix">; 680def isysroot : JoinedOrSeparate<"-isysroot">, MetaVarName<"<dir>">, 681 HelpText<"Set the system root directory (usually /)">; 682def v : Flag<"-v">, HelpText<"Enable verbose output">; 683 684//===----------------------------------------------------------------------===// 685// Preprocessor Options 686//===----------------------------------------------------------------------===// 687 688def D : JoinedOrSeparate<"-D">, MetaVarName<"<macro>">, 689 HelpText<"Predefine the specified macro">; 690def include_ : JoinedOrSeparate<"-include">, MetaVarName<"<file>">, EnumName<"include">, 691 HelpText<"Include file before parsing">; 692def imacros : JoinedOrSeparate<"-imacros">, MetaVarName<"<file>">, 693 HelpText<"Include macros from file before parsing">; 694def include_pch : Separate<"-include-pch">, MetaVarName<"<file>">, 695 HelpText<"Include precompiled header file">; 696def include_pth : Separate<"-include-pth">, MetaVarName<"<file>">, 697 HelpText<"Include file before parsing">; 698def chain_include : Separate<"-chain-include">, MetaVarName<"<file>">, 699 HelpText<"Include and chain a header file after turning it into PCH">; 700def preamble_bytes_EQ : Joined<"-preamble-bytes=">, 701 HelpText<"Assume that the precompiled header is a precompiled preamble " 702 "covering the first N bytes of the main file">; 703def token_cache : Separate<"-token-cache">, MetaVarName<"<path>">, 704 HelpText<"Use specified token cache file">; 705def U : JoinedOrSeparate<"-U">, MetaVarName<"<macro>">, 706 HelpText<"Undefine the specified macro">; 707def undef : Flag<"-undef">, MetaVarName<"<macro>">, 708 HelpText<"undef all system defines">; 709def detailed_preprocessing_record : Flag<"-detailed-preprocessing-record">, 710 HelpText<"include a detailed record of preprocessing actions">; 711 712//===----------------------------------------------------------------------===// 713// Preprocessed Output Options 714//===----------------------------------------------------------------------===// 715 716def P : Flag<"-P">, 717 HelpText<"Disable linemarker output in -E mode">; 718def C : Flag<"-C">, 719 HelpText<"Enable comment output in -E mode">; 720def CC : Flag<"-CC">, 721 HelpText<"Enable comment output in -E mode, even from macro expansions">; 722def dM : Flag<"-dM">, 723 HelpText<"Print macro definitions in -E mode instead of normal output">; 724def dD : Flag<"-dD">, 725 HelpText<"Print macro definitions in -E mode in addition to normal output">; 726 727//===----------------------------------------------------------------------===// 728// OpenCL Options 729//===----------------------------------------------------------------------===// 730 731def cl_opt_disable : Flag<"-cl-opt-disable">, 732 HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">; 733def cl_single_precision_constant : Flag<"-cl-single-precision-constant">, 734 HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">; 735def cl_finite_math_only : Flag<"-cl-finite-math-only">, 736 HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">; 737def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">, 738 HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">; 739def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">, 740 HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">; 741def cl_mad_enable : Flag<"-cl-mad-enable">, 742 HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">; 743def cl_std_EQ : Joined<"-cl-std=">, 744 HelpText<"OpenCL language standard to compile for">; 745 746//===----------------------------------------------------------------------===// 747// CUDA Options 748//===----------------------------------------------------------------------===// 749 750def fcuda_is_device : Flag<"-fcuda-is-device">, 751 HelpText<"Generate code for CUDA device">; 752