1 //===--- CC1Options.td - Options for clang -cc1 ---------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the options accepted by clang -cc1 and clang -cc1as.
12 //===----------------------------------------------------------------------===//
14 let Flags = [CC1Option, NoDriverOption] in {
16 //===----------------------------------------------------------------------===//
18 //===----------------------------------------------------------------------===//
20 let Flags = [CC1Option, CC1AsOption, NoDriverOption] in {
22 def target_cpu : Separate<["-"], "target-cpu">,
23 HelpText<"Target a specific cpu type">;
24 def target_feature : Separate<["-"], "target-feature">,
25 HelpText<"Target specific attributes">;
26 def triple : Separate<["-"], "triple">,
27 HelpText<"Specify target triple (e.g. i686-apple-darwin9)">;
28 def target_abi : Separate<["-"], "target-abi">,
29 HelpText<"Target a particular ABI type">;
33 def target_linker_version : Separate<["-"], "target-linker-version">,
34 HelpText<"Target linker version">;
35 def triple_EQ : Joined<["-"], "triple=">, Alias<triple>;
36 def mfpmath : Separate<["-"], "mfpmath">,
37 HelpText<"Which unit to use for fp math">;
39 //===----------------------------------------------------------------------===//
41 //===----------------------------------------------------------------------===//
43 def analysis_UnoptimizedCFG : Flag<["-"], "unoptimized-cfg">,
44 HelpText<"Generate unoptimized CFGs for all analyses">;
45 def analysis_CFGAddImplicitDtors : Flag<["-"], "cfg-add-implicit-dtors">,
46 HelpText<"Add C++ implicit destructors to CFGs for all analyses">;
48 def analyzer_store : Separate<["-"], "analyzer-store">,
49 HelpText<"Source Code Analysis - Abstract Memory Store Models">;
50 def analyzer_store_EQ : Joined<["-"], "analyzer-store=">, Alias<analyzer_store>;
52 def analyzer_constraints : Separate<["-"], "analyzer-constraints">,
53 HelpText<"Source Code Analysis - Symbolic Constraint Engines">;
54 def analyzer_constraints_EQ : Joined<["-"], "analyzer-constraints=">,
55 Alias<analyzer_constraints>;
57 def analyzer_output : Separate<["-"], "analyzer-output">,
58 HelpText<"Source Code Analysis - Output Options">;
59 def analyzer_output_EQ : Joined<["-"], "analyzer-output=">,
60 Alias<analyzer_output>;
62 def analyzer_purge : Separate<["-"], "analyzer-purge">,
63 HelpText<"Source Code Analysis - Dead Symbol Removal Frequency">;
64 def analyzer_purge_EQ : Joined<["-"], "analyzer-purge=">, Alias<analyzer_purge>;
66 def analyzer_opt_analyze_headers : Flag<["-"], "analyzer-opt-analyze-headers">,
67 HelpText<"Force the static analyzer to analyze functions defined in header files">;
68 def analyzer_opt_analyze_nested_blocks : Flag<["-"], "analyzer-opt-analyze-nested-blocks">,
69 HelpText<"Analyze the definitions of blocks in addition to functions">;
70 def analyzer_display_progress : Flag<["-"], "analyzer-display-progress">,
71 HelpText<"Emit verbose output about the analyzer's progress">;
72 def analyze_function : Separate<["-"], "analyze-function">,
73 HelpText<"Run analysis on specific function">;
74 def analyze_function_EQ : Joined<["-"], "analyze-function=">, Alias<analyze_function>;
75 def analyzer_eagerly_assume : Flag<["-"], "analyzer-eagerly-assume">,
76 HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">;
77 def trim_egraph : Flag<["-"], "trim-egraph">,
78 HelpText<"Only show error-related paths in the analysis graph">;
79 def analyzer_viz_egraph_graphviz : Flag<["-"], "analyzer-viz-egraph-graphviz">,
80 HelpText<"Display exploded graph using GraphViz">;
81 def analyzer_viz_egraph_ubigraph : Flag<["-"], "analyzer-viz-egraph-ubigraph">,
82 HelpText<"Display exploded graph using Ubigraph">;
84 def analyzer_inline_max_stack_depth : Separate<["-"], "analyzer-inline-max-stack-depth">,
85 HelpText<"Bound on stack depth while inlining (4 by default)">;
86 def analyzer_inline_max_stack_depth_EQ : Joined<["-"], "analyzer-inline-max-stack-depth=">,
87 Alias<analyzer_inline_max_stack_depth>;
89 def analyzer_inlining_mode : Separate<["-"], "analyzer-inlining-mode">,
90 HelpText<"Specify the function selection heuristic used during inlining">;
91 def analyzer_inlining_mode_EQ : Joined<["-"], "analyzer-inlining-mode=">, Alias<analyzer_inlining_mode>;
93 def analyzer_disable_retry_exhausted : Flag<["-"], "analyzer-disable-retry-exhausted">,
94 HelpText<"Do not re-analyze paths leading to exhausted nodes with a different strategy (may decrease code coverage)">;
96 def analyzer_max_loop : Separate<["-"], "analyzer-max-loop">,
97 HelpText<"The maximum number of times the analyzer will go through a loop">;
98 def analyzer_stats : Flag<["-"], "analyzer-stats">,
99 HelpText<"Print internal analyzer statistics.">;
101 def analyzer_checker : Separate<["-"], "analyzer-checker">,
102 HelpText<"Choose analyzer checkers to enable">;
103 def analyzer_checker_EQ : Joined<["-"], "analyzer-checker=">,
104 Alias<analyzer_checker>;
106 def analyzer_disable_checker : Separate<["-"], "analyzer-disable-checker">,
107 HelpText<"Choose analyzer checkers to disable">;
108 def analyzer_disable_checker_EQ : Joined<["-"], "analyzer-disable-checker=">,
109 Alias<analyzer_disable_checker>;
111 def analyzer_disable_all_checks : Flag<["-"], "analyzer-disable-all-checks">,
112 HelpText<"Disable all static analyzer checks">;
114 def analyzer_checker_help : Flag<["-"], "analyzer-checker-help">,
115 HelpText<"Display the list of analyzer checkers that are available">;
117 def analyzer_list_enabled_checkers : Flag<["-"], "analyzer-list-enabled-checkers">,
118 HelpText<"Display the list of enabled analyzer checkers">;
120 def analyzer_config : Separate<["-"], "analyzer-config">,
121 HelpText<"Choose analyzer options to enable">;
123 //===----------------------------------------------------------------------===//
125 //===----------------------------------------------------------------------===//
126 def migrator_no_nsalloc_error : Flag<["-"], "no-ns-alloc-error">,
127 HelpText<"Do not error on use of NSAllocateCollectable/NSReallocateCollectable">;
129 def migrator_no_finalize_removal : Flag<["-"], "no-finalize-removal">,
130 HelpText<"Do not remove finalize method in gc mode">;
132 //===----------------------------------------------------------------------===//
134 //===----------------------------------------------------------------------===//
136 let Flags = [CC1Option, CC1AsOption, NoDriverOption] in {
138 def debug_info_kind_EQ : Joined<["-"], "debug-info-kind=">;
139 def debug_info_macro : Flag<["-"], "debug-info-macro">,
140 HelpText<"Emit macro debug information">;
141 def dwarf_version_EQ : Joined<["-"], "dwarf-version=">;
142 def debugger_tuning_EQ : Joined<["-"], "debugger-tuning=">;
143 def fdebug_compilation_dir : Separate<["-"], "fdebug-compilation-dir">,
144 HelpText<"The compilation directory to embed in the debug info.">;
145 def dwarf_debug_flags : Separate<["-"], "dwarf-debug-flags">,
146 HelpText<"The string to embed in the Dwarf debug flags record.">;
147 def mno_exec_stack : Flag<["-"], "mnoexecstack">,
148 HelpText<"Mark the file as not needing an executable stack">;
149 def massembler_fatal_warnings : Flag<["-"], "massembler-fatal-warnings">,
150 HelpText<"Make assembler warnings fatal">;
151 def mrelax_relocations : Flag<["--"], "mrelax-relocations">,
152 HelpText<"Use relaxable elf relocations">;
153 def compress_debug_sections : Flag<["-"], "compress-debug-sections">,
154 HelpText<"Compress DWARF debug sections using zlib">;
155 def msave_temp_labels : Flag<["-"], "msave-temp-labels">,
156 HelpText<"Save temporary labels in the symbol table. "
157 "Note this may change .s semantics and shouldn't generally be used "
158 "on compiler-generated code.">;
159 def mrelocation_model : Separate<["-"], "mrelocation-model">,
160 HelpText<"The relocation model to use">;
161 def fno_math_builtin : Flag<["-"], "fno-math-builtin">,
162 HelpText<"Disable implicit builtin knowledge of math functions">;
165 def disable_llvm_verifier : Flag<["-"], "disable-llvm-verifier">,
166 HelpText<"Don't run the LLVM IR verifier pass">;
167 def disable_llvm_passes : Flag<["-"], "disable-llvm-passes">,
168 HelpText<"Use together with -emit-llvm to get pristine LLVM IR from the "
169 "frontend by not running any LLVM passes at all">;
170 def disable_llvm_optzns : Flag<["-"], "disable-llvm-optzns">,
171 Alias<disable_llvm_passes>;
172 def disable_lifetimemarkers : Flag<["-"], "disable-lifetime-markers">,
173 HelpText<"Disable lifetime-markers emission even when optimizations are "
175 def disable_red_zone : Flag<["-"], "disable-red-zone">,
176 HelpText<"Do not emit code that uses the red zone.">;
177 def dwarf_column_info : Flag<["-"], "dwarf-column-info">,
178 HelpText<"Turn on column location information.">;
179 def split_dwarf : Flag<["-"], "split-dwarf">,
180 HelpText<"Split out the dwarf .dwo sections">;
181 def gnu_pubnames : Flag<["-"], "gnu-pubnames">,
182 HelpText<"Emit newer GNU style pubnames">;
183 def arange_sections : Flag<["-"], "arange_sections">,
184 HelpText<"Emit DWARF .debug_arange sections">;
185 def dwarf_ext_refs : Flag<["-"], "dwarf-ext-refs">,
186 HelpText<"Generate debug info with external references to clang modules"
187 " or precompiled headers">;
188 def fforbid_guard_variables : Flag<["-"], "fforbid-guard-variables">,
189 HelpText<"Emit an error if a C++ static local initializer would need a guard variable">;
190 def no_implicit_float : Flag<["-"], "no-implicit-float">,
191 HelpText<"Don't generate implicit floating point instructions">;
192 def fdump_vtable_layouts : Flag<["-"], "fdump-vtable-layouts">,
193 HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">;
194 def fmerge_functions : Flag<["-"], "fmerge-functions">,
195 HelpText<"Permit merging of identical functions when optimizing.">;
196 def femit_coverage_notes : Flag<["-"], "femit-coverage-notes">,
197 HelpText<"Emit a gcov coverage notes file when compiling.">;
198 def femit_coverage_data: Flag<["-"], "femit-coverage-data">,
199 HelpText<"Instrument the program to emit gcov coverage data when run.">;
200 def coverage_data_file : Separate<["-"], "coverage-data-file">,
201 HelpText<"Emit coverage data to this filename.">;
202 def coverage_data_file_EQ : Joined<["-"], "coverage-data-file=">,
203 Alias<coverage_data_file>;
204 def coverage_notes_file : Separate<["-"], "coverage-notes-file">,
205 HelpText<"Emit coverage notes to this filename.">;
206 def coverage_notes_file_EQ : Joined<["-"], "coverage-notes-file=">,
207 Alias<coverage_notes_file>;
208 def coverage_cfg_checksum : Flag<["-"], "coverage-cfg-checksum">,
209 HelpText<"Emit CFG checksum for functions in .gcno files.">;
210 def coverage_no_function_names_in_data : Flag<["-"], "coverage-no-function-names-in-data">,
211 HelpText<"Emit function names in .gcda files.">;
212 def coverage_exit_block_before_body : Flag<["-"], "coverage-exit-block-before-body">,
213 HelpText<"Emit the exit block before the body blocks in .gcno files.">;
214 def coverage_version_EQ : Joined<["-"], "coverage-version=">,
215 HelpText<"Four-byte version string for gcov files.">;
216 def test_coverage : Flag<["-"], "test-coverage">,
217 HelpText<"Do not generate coverage files or remove coverage changes from IR">;
218 def dump_coverage_mapping : Flag<["-"], "dump-coverage-mapping">,
219 HelpText<"Dump the coverage mapping records, for testing">;
220 def fuse_register_sized_bitfield_access: Flag<["-"], "fuse-register-sized-bitfield-access">,
221 HelpText<"Use register sized accesses to bit-fields, when possible.">;
222 def relaxed_aliasing : Flag<["-"], "relaxed-aliasing">,
223 HelpText<"Turn off Type Based Alias Analysis">;
224 def no_struct_path_tbaa : Flag<["-"], "no-struct-path-tbaa">,
225 HelpText<"Turn off struct-path aware Type Based Alias Analysis">;
226 def masm_verbose : Flag<["-"], "masm-verbose">,
227 HelpText<"Generate verbose assembly output">;
228 def mcode_model : Separate<["-"], "mcode-model">,
229 HelpText<"The code model to use">;
230 def mdebug_pass : Separate<["-"], "mdebug-pass">,
231 HelpText<"Enable additional debug output">;
232 def mdisable_fp_elim : Flag<["-"], "mdisable-fp-elim">,
233 HelpText<"Disable frame pointer elimination optimization">;
234 def mdisable_tail_calls : Flag<["-"], "mdisable-tail-calls">,
235 HelpText<"Disable tail call optimization, keeping the call stack accurate">;
236 def menable_no_infinities : Flag<["-"], "menable-no-infs">,
237 HelpText<"Allow optimization to assume there are no infinities.">;
238 def menable_no_nans : Flag<["-"], "menable-no-nans">,
239 HelpText<"Allow optimization to assume there are no NaNs.">;
240 def menable_unsafe_fp_math : Flag<["-"], "menable-unsafe-fp-math">,
241 HelpText<"Allow unsafe floating-point math optimizations which may decrease "
243 def mfloat_abi : Separate<["-"], "mfloat-abi">,
244 HelpText<"The float ABI to use">;
245 def mlimit_float_precision : Separate<["-"], "mlimit-float-precision">,
246 HelpText<"Limit float precision to the given value">;
247 def split_stacks : Flag<["-"], "split-stacks">,
248 HelpText<"Try to use a split stack if possible.">;
249 def mno_zero_initialized_in_bss : Flag<["-"], "mno-zero-initialized-in-bss">,
250 HelpText<"Do not put zero initialized data in the BSS">;
251 def backend_option : Separate<["-"], "backend-option">,
252 HelpText<"Additional arguments to forward to LLVM backend (during code gen)">;
253 def mregparm : Separate<["-"], "mregparm">,
254 HelpText<"Limit the number of registers available for integer arguments">;
255 def munwind_tables : Flag<["-"], "munwind-tables">,
256 HelpText<"Generate unwinding tables for all functions">;
257 def mconstructor_aliases : Flag<["-"], "mconstructor-aliases">,
258 HelpText<"Emit complete constructors and destructors as aliases when possible">;
259 def mlink_bitcode_file : Separate<["-"], "mlink-bitcode-file">,
260 HelpText<"Link the given bitcode file before performing optimizations.">;
261 def mlink_cuda_bitcode : Separate<["-"], "mlink-cuda-bitcode">,
262 HelpText<"Link and internalize needed symbols from the given bitcode file "
263 "before performing optimizations.">;
264 def vectorize_loops : Flag<["-"], "vectorize-loops">,
265 HelpText<"Run the Loop vectorization passes">;
266 def vectorize_slp : Flag<["-"], "vectorize-slp">,
267 HelpText<"Run the SLP vectorization passes">;
268 def vectorize_slp_aggressive : Flag<["-"], "vectorize-slp-aggressive">,
269 HelpText<"Run the BB vectorization passes">;
270 def dependent_lib : Joined<["--"], "dependent-lib=">,
271 HelpText<"Add dependent library">;
272 def linker_option : Joined<["--"], "linker-option=">,
273 HelpText<"Add linker option">;
274 def fsanitize_coverage_type : Joined<["-"], "fsanitize-coverage-type=">,
275 HelpText<"Sanitizer coverage type">;
276 def fsanitize_coverage_indirect_calls
277 : Flag<["-"], "fsanitize-coverage-indirect-calls">,
278 HelpText<"Enable sanitizer coverage for indirect calls">;
279 def fsanitize_coverage_trace_bb
280 : Flag<["-"], "fsanitize-coverage-trace-bb">,
281 HelpText<"Enable basic block tracing in sanitizer coverage">;
282 def fsanitize_coverage_trace_cmp
283 : Flag<["-"], "fsanitize-coverage-trace-cmp">,
284 HelpText<"Enable cmp instruction tracing in sanitizer coverage">;
285 def fsanitize_coverage_trace_div
286 : Flag<["-"], "fsanitize-coverage-trace-div">,
287 HelpText<"Enable div instruction tracing in sanitizer coverage">;
288 def fsanitize_coverage_trace_gep
289 : Flag<["-"], "fsanitize-coverage-trace-gep">,
290 HelpText<"Enable gep instruction tracing in sanitizer coverage">;
291 def fsanitize_coverage_8bit_counters
292 : Flag<["-"], "fsanitize-coverage-8bit-counters">,
293 HelpText<"Enable frequency counters in sanitizer coverage">;
294 def fsanitize_coverage_trace_pc
295 : Flag<["-"], "fsanitize-coverage-trace-pc">,
296 HelpText<"Enable PC tracing in sanitizer coverage">;
297 def fsanitize_coverage_trace_pc_guard
298 : Flag<["-"], "fsanitize-coverage-trace-pc-guard">,
299 HelpText<"Enable PC tracing with guard in sanitizer coverage">;
300 def fsanitize_coverage_no_prune
301 : Flag<["-"], "fsanitize-coverage-no-prune">,
302 HelpText<"Disable coverage pruning (i.e. instrument all blocks/edges)">;
303 def fprofile_instrument_EQ : Joined<["-"], "fprofile-instrument=">,
304 HelpText<"Enable PGO instrumentation. The accepted value is clang, llvm, "
306 def fprofile_instrument_path_EQ : Joined<["-"], "fprofile-instrument-path=">,
307 HelpText<"Generate instrumented code to collect execution counts into "
308 "<file> (overridden by LLVM_PROFILE_FILE env var)">;
309 def fprofile_instrument_use_path_EQ :
310 Joined<["-"], "fprofile-instrument-use-path=">,
311 HelpText<"Specify the profile path in PGO use compilation">;
312 def flto_visibility_public_std:
313 Flag<["-"], "flto-visibility-public-std">,
314 HelpText<"Use public LTO visibility for classes in std and stdext namespaces">;
315 def flto_unit: Flag<["-"], "flto-unit">,
316 HelpText<"Emit IR to support LTO unit features (CFI, whole program vtable opt)">;
317 def fno_lto_unit: Flag<["-"], "fno-lto-unit">;
318 def fthin_link_bitcode_EQ : Joined<["-"], "fthin-link-bitcode=">,
319 HelpText<"Write minimized bitcode to <file> for the ThinLTO thin link only">;
321 //===----------------------------------------------------------------------===//
322 // Dependency Output Options
323 //===----------------------------------------------------------------------===//
325 def sys_header_deps : Flag<["-"], "sys-header-deps">,
326 HelpText<"Include system headers in dependency output">;
327 def module_file_deps : Flag<["-"], "module-file-deps">,
328 HelpText<"Include module files in dependency output">;
329 def header_include_file : Separate<["-"], "header-include-file">,
330 HelpText<"Filename (or -) to write header include output to">;
331 def show_includes : Flag<["--"], "show-includes">,
332 HelpText<"Print cl.exe style /showIncludes to stdout">;
334 //===----------------------------------------------------------------------===//
335 // Diagnostic Options
336 //===----------------------------------------------------------------------===//
338 def diagnostic_log_file : Separate<["-"], "diagnostic-log-file">,
339 HelpText<"Filename (or -) to log diagnostics to">;
340 def diagnostic_serialized_file : Separate<["-"], "serialize-diagnostic-file">,
341 MetaVarName<"<filename>">,
342 HelpText<"File for serializing diagnostics in a binary format">;
344 def fdiagnostics_format : Separate<["-"], "fdiagnostics-format">,
345 HelpText<"Change diagnostic formatting to match IDE and command line tools">;
346 def fdiagnostics_show_category : Separate<["-"], "fdiagnostics-show-category">,
347 HelpText<"Print diagnostic category">;
348 def fno_diagnostics_use_presumed_location : Flag<["-"], "fno-diagnostics-use-presumed-location">,
349 HelpText<"Ignore #line directives when displaying diagnostic locations">;
350 def ftabstop : Separate<["-"], "ftabstop">, MetaVarName<"<N>">,
351 HelpText<"Set the tab stop distance.">;
352 def ferror_limit : Separate<["-"], "ferror-limit">, MetaVarName<"<N>">,
353 HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">;
354 def fmacro_backtrace_limit : Separate<["-"], "fmacro-backtrace-limit">, MetaVarName<"<N>">,
355 HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">;
356 def ftemplate_backtrace_limit : Separate<["-"], "ftemplate-backtrace-limit">, MetaVarName<"<N>">,
357 HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">;
358 def fconstexpr_backtrace_limit : Separate<["-"], "fconstexpr-backtrace-limit">, MetaVarName<"<N>">,
359 HelpText<"Set the maximum number of entries to print in a constexpr evaluation backtrace (0 = no limit).">;
360 def fspell_checking_limit : Separate<["-"], "fspell-checking-limit">, MetaVarName<"<N>">,
361 HelpText<"Set the maximum number of times to perform spell checking on unrecognized identifiers (0 = no limit).">;
362 def fmessage_length : Separate<["-"], "fmessage-length">, MetaVarName<"<N>">,
363 HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
364 def verify : Flag<["-"], "verify">,
365 HelpText<"Verify diagnostic output using comment directives">;
366 def verify_ignore_unexpected : Flag<["-"], "verify-ignore-unexpected">,
367 HelpText<"Ignore unexpected diagnostic messages">;
368 def verify_ignore_unexpected_EQ : CommaJoined<["-"], "verify-ignore-unexpected=">,
369 HelpText<"Ignore unexpected diagnostic messages">;
370 def Wno_rewrite_macros : Flag<["-"], "Wno-rewrite-macros">,
371 HelpText<"Silence ObjC rewriting warnings">;
373 //===----------------------------------------------------------------------===//
375 //===----------------------------------------------------------------------===//
377 // This isn't normally used, it is just here so we can parse a
378 // CompilerInvocation out of a driver-derived argument vector.
379 def cc1 : Flag<["-"], "cc1">;
380 def cc1as : Flag<["-"], "cc1as">;
382 def ast_merge : Separate<["-"], "ast-merge">,
383 MetaVarName<"<ast file>">,
384 HelpText<"Merge the given AST file into the translation unit being compiled.">;
385 def aux_triple : Separate<["-"], "aux-triple">,
386 HelpText<"Auxiliary target triple.">;
387 def code_completion_at : Separate<["-"], "code-completion-at">,
388 MetaVarName<"<file>:<line>:<column>">,
389 HelpText<"Dump code-completion information at a location">;
390 def remap_file : Separate<["-"], "remap-file">,
391 MetaVarName<"<from>;<to>">,
392 HelpText<"Replace the contents of the <from> file with the contents of the <to> file">;
393 def code_completion_at_EQ : Joined<["-"], "code-completion-at=">,
394 Alias<code_completion_at>;
395 def code_completion_macros : Flag<["-"], "code-completion-macros">,
396 HelpText<"Include macros in code-completion results">;
397 def code_completion_patterns : Flag<["-"], "code-completion-patterns">,
398 HelpText<"Include code patterns in code-completion results">;
399 def no_code_completion_globals : Flag<["-"], "no-code-completion-globals">,
400 HelpText<"Do not include global declarations in code-completion results.">;
401 def code_completion_brief_comments : Flag<["-"], "code-completion-brief-comments">,
402 HelpText<"Include brief documentation comments in code-completion results.">;
403 def disable_free : Flag<["-"], "disable-free">,
404 HelpText<"Disable freeing of memory on exit">;
405 def discard_value_names : Flag<["-"], "discard-value-names">,
406 HelpText<"Discard value names in LLVM IR">;
407 def load : Separate<["-"], "load">, MetaVarName<"<dsopath>">,
408 HelpText<"Load the named plugin (dynamic shared object)">;
409 def plugin : Separate<["-"], "plugin">, MetaVarName<"<name>">,
410 HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">;
411 def plugin_arg : JoinedAndSeparate<["-"], "plugin-arg-">,
412 MetaVarName<"<name> <arg>">,
413 HelpText<"Pass <arg> to plugin <name>">;
414 def add_plugin : Separate<["-"], "add-plugin">, MetaVarName<"<name>">,
415 HelpText<"Use the named plugin action in addition to the default action">;
416 def ast_dump_filter : Separate<["-"], "ast-dump-filter">,
417 MetaVarName<"<dump_filter>">,
418 HelpText<"Use with -ast-dump or -ast-print to dump/print only AST declaration"
419 " nodes having a certain substring in a qualified name. Use"
420 " -ast-list to list all filterable declaration node names.">;
421 def fno_modules_global_index : Flag<["-"], "fno-modules-global-index">,
422 HelpText<"Do not automatically generate or update the global module index">;
423 def fno_modules_error_recovery : Flag<["-"], "fno-modules-error-recovery">,
424 HelpText<"Do not automatically import modules for error recovery">;
425 def fmodule_map_file_home_is_cwd : Flag<["-"], "fmodule-map-file-home-is-cwd">,
426 HelpText<"Use the current working directory as the home directory of "
427 "module maps specified by -fmodule-map-file=<FILE>">;
428 def fmodule_feature : Separate<["-"], "fmodule-feature">,
429 MetaVarName<"<feature>">,
430 HelpText<"Enable <feature> in module map requires declarations">;
431 def fmodules_embed_file_EQ : Joined<["-"], "fmodules-embed-file=">,
432 MetaVarName<"<file>">,
433 HelpText<"Embed the contents of the specified file into the module file "
435 def fmodules_embed_all_files : Joined<["-"], "fmodules-embed-all-files">,
436 HelpText<"Embed the contents of all files read by this compilation into "
437 "the produced module file.">;
438 def fmodules_local_submodule_visibility :
439 Flag<["-"], "fmodules-local-submodule-visibility">,
440 HelpText<"Enforce name visibility rules across submodules of the same "
441 "top-level module.">;
442 def fmodules_codegen :
443 Flag<["-"], "fmodules-codegen">,
444 HelpText<"Generate code for uses of this module that assumes an explicit "
445 "object file will be built for the module">;
446 def fmodules_debuginfo :
447 Flag<["-"], "fmodules-debuginfo">,
448 HelpText<"Generate debug info for types in an object file built from this "
449 "module and do not generate them elsewhere">;
450 def fmodule_format_EQ : Joined<["-"], "fmodule-format=">,
451 HelpText<"Select the container format for clang modules and PCH. "
452 "Supported options are 'raw' and 'obj'.">;
453 def ftest_module_file_extension_EQ :
454 Joined<["-"], "ftest-module-file-extension=">,
455 HelpText<"introduce a module file extension for testing purposes. "
456 "The argument is parsed as blockname:major:minor:hashed:user info">;
457 def fconcepts_ts : Flag<["-"], "fconcepts-ts">,
458 HelpText<"Enable C++ Extensions for Concepts.">;
460 let Group = Action_Group in {
462 def Eonly : Flag<["-"], "Eonly">,
463 HelpText<"Just run preprocessor, no output (for timings)">;
464 def dump_raw_tokens : Flag<["-"], "dump-raw-tokens">,
465 HelpText<"Lex file in raw mode and dump raw tokens">;
466 def analyze : Flag<["-"], "analyze">,
467 HelpText<"Run static analysis engine">;
468 def dump_tokens : Flag<["-"], "dump-tokens">,
469 HelpText<"Run preprocessor, dump internal rep of tokens">;
470 def init_only : Flag<["-"], "init-only">,
471 HelpText<"Only execute frontend initialization">;
472 def fixit : Flag<["-"], "fixit">,
473 HelpText<"Apply fix-it advice to the input source">;
474 def fixit_EQ : Joined<["-"], "fixit=">,
475 HelpText<"Apply fix-it advice creating a file with the given suffix">;
476 def print_preamble : Flag<["-"], "print-preamble">,
477 HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit"
478 " precompiled headers.">;
479 def emit_html : Flag<["-"], "emit-html">,
480 HelpText<"Output input source as HTML">;
481 def ast_print : Flag<["-"], "ast-print">,
482 HelpText<"Build ASTs and then pretty-print them">;
483 def ast_list : Flag<["-"], "ast-list">,
484 HelpText<"Build ASTs and print the list of declaration node qualified names">;
485 def ast_dump : Flag<["-"], "ast-dump">,
486 HelpText<"Build ASTs and then debug dump them">;
487 def ast_dump_all : Flag<["-"], "ast-dump-all">,
488 HelpText<"Build ASTs and then debug dump them, forcing deserialization">;
489 def ast_dump_lookups : Flag<["-"], "ast-dump-lookups">,
490 HelpText<"Build ASTs and then debug dump their name lookup tables">;
491 def ast_view : Flag<["-"], "ast-view">,
492 HelpText<"Build ASTs and view them with GraphViz">;
493 def print_decl_contexts : Flag<["-"], "print-decl-contexts">,
494 HelpText<"Print DeclContexts and their Decls">;
495 def emit_module : Flag<["-"], "emit-module">,
496 HelpText<"Generate pre-compiled module file from a module map">;
497 def emit_module_interface : Flag<["-"], "emit-module-interface">,
498 HelpText<"Generate pre-compiled module file from a C++ module interface">;
499 def emit_pth : Flag<["-"], "emit-pth">,
500 HelpText<"Generate pre-tokenized header file">;
501 def emit_pch : Flag<["-"], "emit-pch">,
502 HelpText<"Generate pre-compiled header file">;
503 def emit_llvm_bc : Flag<["-"], "emit-llvm-bc">,
504 HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
505 def emit_llvm_only : Flag<["-"], "emit-llvm-only">,
506 HelpText<"Build ASTs and convert to LLVM, discarding output">;
507 def emit_codegen_only : Flag<["-"], "emit-codegen-only">,
508 HelpText<"Generate machine code, but discard output">;
509 def emit_obj : Flag<["-"], "emit-obj">,
510 HelpText<"Emit native object files">;
511 def rewrite_test : Flag<["-"], "rewrite-test">,
512 HelpText<"Rewriter playground">;
513 def rewrite_macros : Flag<["-"], "rewrite-macros">,
514 HelpText<"Expand macros without full preprocessing">;
515 def migrate : Flag<["-"], "migrate">,
516 HelpText<"Migrate source code">;
519 def emit_llvm_uselists : Flag<["-"], "emit-llvm-uselists">,
520 HelpText<"Preserve order of LLVM use-lists when serializing">;
521 def no_emit_llvm_uselists : Flag<["-"], "no-emit-llvm-uselists">,
522 HelpText<"Don't preserve order of LLVM use-lists when serializing">;
524 def mt_migrate_directory : Separate<["-"], "mt-migrate-directory">,
525 HelpText<"Directory for temporary files produced during ARC or ObjC migration">;
526 def arcmt_check : Flag<["-"], "arcmt-check">,
527 HelpText<"Check for ARC migration issues that need manual handling">;
528 def arcmt_modify : Flag<["-"], "arcmt-modify">,
529 HelpText<"Apply modifications to files to conform to ARC">;
530 def arcmt_migrate : Flag<["-"], "arcmt-migrate">,
531 HelpText<"Apply modifications and produces temporary files that conform to ARC">;
533 def opt_record_file : Separate<["-"], "opt-record-file">,
534 HelpText<"File name to use for YAML optimization record output">;
536 def print_stats : Flag<["-"], "print-stats">,
537 HelpText<"Print performance metrics and statistics">;
538 def stats_file : Joined<["-"], "stats-file=">,
539 HelpText<"Filename to write statistics to">;
540 def fdump_record_layouts : Flag<["-"], "fdump-record-layouts">,
541 HelpText<"Dump record layout information">;
542 def fdump_record_layouts_simple : Flag<["-"], "fdump-record-layouts-simple">,
543 HelpText<"Dump record layout information in a simple form used for testing">;
544 def fix_what_you_can : Flag<["-"], "fix-what-you-can">,
545 HelpText<"Apply fix-it advice even in the presence of unfixable errors">;
546 def fix_only_warnings : Flag<["-"], "fix-only-warnings">,
547 HelpText<"Apply fix-it advice only for warnings, not errors">;
548 def fixit_recompile : Flag<["-"], "fixit-recompile">,
549 HelpText<"Apply fix-it changes and recompile">;
550 def fixit_to_temp : Flag<["-"], "fixit-to-temporary">,
551 HelpText<"Apply fix-it changes to temporary files">;
553 def foverride_record_layout_EQ : Joined<["-"], "foverride-record-layout=">,
554 HelpText<"Override record layouts with those in the given file">;
555 def find_pch_source_EQ : Joined<["-"], "find-pch-source=">,
556 HelpText<"When building a pch, try to find the input file in include "
557 "directories, as if it had been included by the argument passed "
559 def fno_pch_timestamp : Flag<["-"], "fno-pch-timestamp">,
560 HelpText<"Disable inclusion of timestamp in precompiled headers">;
562 //===----------------------------------------------------------------------===//
564 //===----------------------------------------------------------------------===//
566 let Flags = [CC1Option, CC1AsOption, NoDriverOption] in {
568 def version : Flag<["-"], "version">,
569 HelpText<"Print the compiler version">;
570 def main_file_name : Separate<["-"], "main-file-name">,
571 HelpText<"Main file name to use for debug info">;
575 def fblocks_runtime_optional : Flag<["-"], "fblocks-runtime-optional">,
576 HelpText<"Weakly link in the blocks runtime">;
577 def fexternc_nounwind : Flag<["-"], "fexternc-nounwind">,
578 HelpText<"Assume all functions with C linkage do not unwind">;
579 def enable_split_dwarf : Flag<["-"], "enable-split-dwarf">,
580 HelpText<"Use split dwarf/Fission">;
581 def split_dwarf_file : Separate<["-"], "split-dwarf-file">,
582 HelpText<"File name to use for split dwarf debug info output">;
583 def fno_wchar : Flag<["-"], "fno-wchar">,
584 HelpText<"Disable C++ builtin type wchar_t">;
585 def fconstant_string_class : Separate<["-"], "fconstant-string-class">,
586 MetaVarName<"<class name>">,
587 HelpText<"Specify the class to use for constant Objective-C string objects.">;
588 def fobjc_arc_cxxlib_EQ : Joined<["-"], "fobjc-arc-cxxlib=">,
589 HelpText<"Objective-C++ Automatic Reference Counting standard library kind">;
590 def fobjc_runtime_has_weak : Flag<["-"], "fobjc-runtime-has-weak">,
591 HelpText<"The target Objective-C runtime supports ARC weak operations">;
592 def fobjc_dispatch_method_EQ : Joined<["-"], "fobjc-dispatch-method=">,
593 HelpText<"Objective-C dispatch method to use">;
594 def disable_objc_default_synthesize_properties : Flag<["-"], "disable-objc-default-synthesize-properties">,
595 HelpText<"disable the default synthesis of Objective-C properties">;
596 def fencode_extended_block_signature : Flag<["-"], "fencode-extended-block-signature">,
597 HelpText<"enable extended encoding of block type signature">;
598 def pic_level : Separate<["-"], "pic-level">,
599 HelpText<"Value for __PIC__">;
600 def pic_is_pie : Flag<["-"], "pic-is-pie">,
601 HelpText<"File is for a position independent executable">;
602 def fno_validate_pch : Flag<["-"], "fno-validate-pch">,
603 HelpText<"Disable validation of precompiled headers">;
604 def fallow_pch_with_errors : Flag<["-"], "fallow-pch-with-compiler-errors">,
605 HelpText<"Accept a PCH file that was created with compiler errors">;
606 def dump_deserialized_pch_decls : Flag<["-"], "dump-deserialized-decls">,
607 HelpText<"Dump declarations that are deserialized from PCH, for testing">;
608 def error_on_deserialized_pch_decl : Separate<["-"], "error-on-deserialized-decl">,
609 HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">;
610 def error_on_deserialized_pch_decl_EQ : Joined<["-"], "error-on-deserialized-decl=">,
611 Alias<error_on_deserialized_pch_decl>;
612 def static_define : Flag<["-"], "static-define">,
613 HelpText<"Should __STATIC__ be defined">;
614 def stack_protector : Separate<["-"], "stack-protector">,
615 HelpText<"Enable stack protectors">;
616 def stack_protector_buffer_size : Separate<["-"], "stack-protector-buffer-size">,
617 HelpText<"Lower bound for a buffer to be considered for stack protection">;
618 def fvisibility : Separate<["-"], "fvisibility">,
619 HelpText<"Default type and symbol visibility">;
620 def ftype_visibility : Separate<["-"], "ftype-visibility">,
621 HelpText<"Default type visibility">;
622 def ftemplate_depth : Separate<["-"], "ftemplate-depth">,
623 HelpText<"Maximum depth of recursive template instantiation">;
624 def foperator_arrow_depth : Separate<["-"], "foperator-arrow-depth">,
625 HelpText<"Maximum number of 'operator->'s to call for a member access">;
626 def fconstexpr_depth : Separate<["-"], "fconstexpr-depth">,
627 HelpText<"Maximum depth of recursive constexpr function calls">;
628 def fconstexpr_steps : Separate<["-"], "fconstexpr-steps">,
629 HelpText<"Maximum number of steps in constexpr function evaluation">;
630 def fbracket_depth : Separate<["-"], "fbracket-depth">,
631 HelpText<"Maximum nesting level for parentheses, brackets, and braces">;
632 def fconst_strings : Flag<["-"], "fconst-strings">,
633 HelpText<"Use a const qualified type for string literals in C and ObjC">;
634 def fno_const_strings : Flag<["-"], "fno-const-strings">,
635 HelpText<"Don't use a const qualified type for string literals in C and ObjC">;
636 def fno_bitfield_type_align : Flag<["-"], "fno-bitfield-type-align">,
637 HelpText<"Ignore bit-field types when aligning structures">;
638 def ffake_address_space_map : Flag<["-"], "ffake-address-space-map">,
639 HelpText<"Use a fake address space map; OpenCL testing purposes only">;
640 def faddress_space_map_mangling_EQ : Joined<["-"], "faddress-space-map-mangling=">, MetaVarName<"<yes|no|target>">,
641 HelpText<"Set the mode for address space map based mangling; OpenCL testing purposes only">;
642 def funknown_anytype : Flag<["-"], "funknown-anytype">,
643 HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">;
644 def fdebugger_support : Flag<["-"], "fdebugger-support">,
645 HelpText<"Enable special debugger support behavior">;
646 def fdebugger_cast_result_to_id : Flag<["-"], "fdebugger-cast-result-to-id">,
647 HelpText<"Enable casting unknown expression results to id">;
648 def fdebugger_objc_literal : Flag<["-"], "fdebugger-objc-literal">,
649 HelpText<"Enable special debugger support for Objective-C subscripting and literals">;
650 def fdeprecated_macro : Flag<["-"], "fdeprecated-macro">,
651 HelpText<"Defines the __DEPRECATED macro">;
652 def fno_deprecated_macro : Flag<["-"], "fno-deprecated-macro">,
653 HelpText<"Undefines the __DEPRECATED macro">;
654 def fobjc_subscripting_legacy_runtime : Flag<["-"], "fobjc-subscripting-legacy-runtime">,
655 HelpText<"Allow Objective-C array and dictionary subscripting in legacy runtime">;
656 def vtordisp_mode_EQ : Joined<["-"], "vtordisp-mode=">,
657 HelpText<"Control vtordisp placement on win32 targets">;
658 def fno_rtti_data : Flag<["-"], "fno-rtti-data">,
659 HelpText<"Control emission of RTTI data">;
660 def fnative_half_type: Flag<["-"], "fnative-half-type">,
661 HelpText<"Use the native half type for __fp16 instead of promoting to float">;
662 def fnative_half_arguments_and_returns : Flag<["-"], "fnative-half-arguments-and-returns">,
663 HelpText<"Use the native __fp16 type for arguments and returns (and skip ABI-specific lowering)">;
664 def fallow_half_arguments_and_returns : Flag<["-"], "fallow-half-arguments-and-returns">,
665 HelpText<"Allow function arguments and returns of type half">;
666 def fdefault_calling_conv_EQ : Joined<["-"], "fdefault-calling-conv=">,
667 HelpText<"Set default MS calling convention">;
668 def finclude_default_header : Flag<["-"], "finclude-default-header">,
669 HelpText<"Include the default header file for OpenCL">;
670 def fpreserve_vec3_type : Flag<["-"], "fpreserve-vec3-type">,
671 HelpText<"Preserve 3-component vector type">;
673 // FIXME: Remove these entirely once functionality/tests have been excised.
674 def fobjc_gc_only : Flag<["-"], "fobjc-gc-only">, Group<f_Group>,
675 HelpText<"Use GC exclusively for Objective-C related memory management">;
676 def fobjc_gc : Flag<["-"], "fobjc-gc">, Group<f_Group>,
677 HelpText<"Enable Objective-C garbage collection">;
679 //===----------------------------------------------------------------------===//
680 // Header Search Options
681 //===----------------------------------------------------------------------===//
683 def nostdsysteminc : Flag<["-"], "nostdsysteminc">,
684 HelpText<"Disable standard system #include directories">;
685 def fdisable_module_hash : Flag<["-"], "fdisable-module-hash">,
686 HelpText<"Disable the module hash">;
687 def fmodules_hash_content : Flag<["-"], "fmodules-hash-content">,
688 HelpText<"Enable hashing the content of a module file">;
689 def c_isystem : JoinedOrSeparate<["-"], "c-isystem">, MetaVarName<"<directory>">,
690 HelpText<"Add directory to the C SYSTEM include search path">;
691 def objc_isystem : JoinedOrSeparate<["-"], "objc-isystem">,
692 MetaVarName<"<directory>">,
693 HelpText<"Add directory to the ObjC SYSTEM include search path">;
694 def objcxx_isystem : JoinedOrSeparate<["-"], "objcxx-isystem">,
695 MetaVarName<"<directory>">,
696 HelpText<"Add directory to the ObjC++ SYSTEM include search path">;
697 def internal_isystem : JoinedOrSeparate<["-"], "internal-isystem">,
698 MetaVarName<"<directory>">,
699 HelpText<"Add directory to the internal system include search path; these "
700 "are assumed to not be user-provided and are used to model system "
701 "and standard headers' paths.">;
702 def internal_externc_isystem : JoinedOrSeparate<["-"], "internal-externc-isystem">,
703 MetaVarName<"<directory>">,
704 HelpText<"Add directory to the internal system include search path with "
705 "implicit extern \"C\" semantics; these are assumed to not be "
706 "user-provided and are used to model system and standard headers' "
709 //===----------------------------------------------------------------------===//
710 // Preprocessor Options
711 //===----------------------------------------------------------------------===//
713 def include_pth : Separate<["-"], "include-pth">, MetaVarName<"<file>">,
714 HelpText<"Include file before parsing">;
715 def chain_include : Separate<["-"], "chain-include">, MetaVarName<"<file>">,
716 HelpText<"Include and chain a header file after turning it into PCH">;
717 def preamble_bytes_EQ : Joined<["-"], "preamble-bytes=">,
718 HelpText<"Assume that the precompiled header is a precompiled preamble "
719 "covering the first N bytes of the main file">;
720 def token_cache : Separate<["-"], "token-cache">, MetaVarName<"<path>">,
721 HelpText<"Use specified token cache file">;
722 def detailed_preprocessing_record : Flag<["-"], "detailed-preprocessing-record">,
723 HelpText<"include a detailed record of preprocessing actions">;
725 //===----------------------------------------------------------------------===//
727 //===----------------------------------------------------------------------===//
729 def cl_ext_EQ : CommaJoined<["-"], "cl-ext=">,
730 HelpText<"OpenCL only. Enable or disable OpenCL extensions. The argument is a comma-separated sequence of one or more extension names, each prefixed by '+' or '-'.">;
732 //===----------------------------------------------------------------------===//
734 //===----------------------------------------------------------------------===//
736 def fcuda_is_device : Flag<["-"], "fcuda-is-device">,
737 HelpText<"Generate code for CUDA device">;
738 def fcuda_include_gpubinary : Separate<["-"], "fcuda-include-gpubinary">,
739 HelpText<"Incorporate CUDA device-side binary into host object file.">;
740 def fcuda_allow_variadic_functions : Flag<["-"], "fcuda-allow-variadic-functions">,
741 HelpText<"Allow variadic functions in CUDA device code.">;
742 def fno_cuda_host_device_constexpr : Flag<["-"], "fno-cuda-host-device-constexpr">,
743 HelpText<"Don't treat unattributed constexpr functions as __host__ __device__.">;
745 //===----------------------------------------------------------------------===//
747 //===----------------------------------------------------------------------===//
749 def fopenmp_is_device : Flag<["-"], "fopenmp-is-device">,
750 HelpText<"Generate code only for an OpenMP target device.">;
751 def fopenmp_host_ir_file_path : Separate<["-"], "fopenmp-host-ir-file-path">,
752 HelpText<"Path to the IR file produced by the frontend for the host.">;
754 } // let Flags = [CC1Option]
757 //===----------------------------------------------------------------------===//
758 // cc1as-only Options
759 //===----------------------------------------------------------------------===//
761 let Flags = [CC1AsOption, NoDriverOption] in {
764 def n : Flag<["-"], "n">,
765 HelpText<"Don't automatically start assembly file with a text section">;
768 def filetype : Separate<["-"], "filetype">,
769 HelpText<"Specify the output file type ('asm', 'null', or 'obj')">;
771 // Transliterate Options
772 def output_asm_variant : Separate<["-"], "output-asm-variant">,
773 HelpText<"Select the asm variant index to use for output">;
774 def show_encoding : Flag<["-"], "show-encoding">,
775 HelpText<"Show instruction encoding information in transliterate mode">;
776 def show_inst : Flag<["-"], "show-inst">,
777 HelpText<"Show internal instruction representation in transliterate mode">;
780 def dwarf_debug_producer : Separate<["-"], "dwarf-debug-producer">,
781 HelpText<"The string to embed in the Dwarf debug AT_producer record.">;
783 def defsym : Separate<["-"], "defsym">,
784 HelpText<"Define a value for a symbol">;
785 } // let Flags = [CC1AsOption]