CC1Options.td revision 9a7e09fffbad657f775417252bc966098dfb1501
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
14let Flags = [CC1Option, NoDriverOption] in {
15
16//===----------------------------------------------------------------------===//
17// Target Options
18//===----------------------------------------------------------------------===//
19
20def cxx_abi : Separate<["-"], "cxx-abi">,
21  HelpText<"Target a particular C++ ABI type">;
22def target_abi : Separate<["-"], "target-abi">,
23  HelpText<"Target a particular ABI type">;
24def target_cpu : Separate<["-"], "target-cpu">,
25  HelpText<"Target a specific cpu type">;
26def mfpmath : Separate<["-"], "mfpmath">,
27  HelpText<"Which unit to use for fp math">;
28def target_feature : Separate<["-"], "target-feature">,
29  HelpText<"Target specific attributes">;
30def target_linker_version : Separate<["-"], "target-linker-version">,
31  HelpText<"Target linker version">;
32def triple : Separate<["-"], "triple">,
33  HelpText<"Specify target triple (e.g. i686-apple-darwin9)">;
34def triple_EQ : Joined<["-"], "triple=">, Alias<triple>;
35
36//===----------------------------------------------------------------------===//
37// Analyzer Options
38//===----------------------------------------------------------------------===//
39
40def analysis_UnoptimizedCFG : Flag<["-"], "unoptimized-cfg">,
41  HelpText<"Generate unoptimized CFGs for all analyses">;
42def analysis_CFGAddImplicitDtors : Flag<["-"], "cfg-add-implicit-dtors">,
43  HelpText<"Add C++ implicit destructors to CFGs for all analyses">;
44
45def analyzer_store : Separate<["-"], "analyzer-store">,
46  HelpText<"Source Code Analysis - Abstract Memory Store Models">;
47def analyzer_store_EQ : Joined<["-"], "analyzer-store=">, Alias<analyzer_store>;
48
49def analyzer_constraints : Separate<["-"], "analyzer-constraints">,
50  HelpText<"Source Code Analysis - Symbolic Constraint Engines">;
51def analyzer_constraints_EQ : Joined<["-"], "analyzer-constraints=">,
52  Alias<analyzer_constraints>;
53
54def analyzer_output : Separate<["-"], "analyzer-output">,
55  HelpText<"Source Code Analysis - Output Options">;
56def analyzer_output_EQ : Joined<["-"], "analyzer-output=">,
57  Alias<analyzer_output>;
58
59def analyzer_purge : Separate<["-"], "analyzer-purge">,
60  HelpText<"Source Code Analysis - Dead Symbol Removal Frequency">;
61def analyzer_purge_EQ : Joined<["-"], "analyzer-purge=">, Alias<analyzer_purge>;
62
63def analyzer_opt_analyze_headers : Flag<["-"], "analyzer-opt-analyze-headers">,
64  HelpText<"Force the static analyzer to analyze functions defined in header files">;
65def analyzer_opt_analyze_nested_blocks : Flag<["-"], "analyzer-opt-analyze-nested-blocks">,
66  HelpText<"Analyze the definitions of blocks in addition to functions">;
67def analyzer_display_progress : Flag<["-"], "analyzer-display-progress">,
68  HelpText<"Emit verbose output about the analyzer's progress">;
69def analyze_function : Separate<["-"], "analyze-function">,
70  HelpText<"Run analysis on specific function">;
71def analyze_function_EQ : Joined<["-"], "analyze-function=">, Alias<analyze_function>;
72def analyzer_eagerly_assume : Flag<["-"], "analyzer-eagerly-assume">,
73  HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">;
74def trim_egraph : Flag<["-"], "trim-egraph">,
75  HelpText<"Only show error-related paths in the analysis graph">;
76def analyzer_viz_egraph_graphviz : Flag<["-"], "analyzer-viz-egraph-graphviz">,
77  HelpText<"Display exploded graph using GraphViz">;
78def analyzer_viz_egraph_ubigraph : Flag<["-"], "analyzer-viz-egraph-ubigraph">,
79  HelpText<"Display exploded graph using Ubigraph">;
80
81def analyzer_inline_max_stack_depth : Separate<["-"], "analyzer-inline-max-stack-depth">,
82  HelpText<"Bound on stack depth while inlining (4 by default)">;
83def analyzer_inline_max_stack_depth_EQ : Joined<["-"], "analyzer-inline-max-stack-depth=">, 
84  Alias<analyzer_inline_max_stack_depth>;
85  
86def analyzer_inlining_mode : Separate<["-"], "analyzer-inlining-mode">,
87  HelpText<"Specify the function selection heuristic used during inlining">;
88def analyzer_inlining_mode_EQ : Joined<["-"], "analyzer-inlining-mode=">, Alias<analyzer_inlining_mode>;
89
90def analyzer_disable_retry_exhausted : Flag<["-"], "analyzer-disable-retry-exhausted">,
91  HelpText<"Do not re-analyze paths leading to exhausted nodes with a different strategy (may decrease code coverage)">;
92  
93def analyzer_max_loop : Separate<["-"], "analyzer-max-loop">,
94  HelpText<"The maximum number of times the analyzer will go through a loop">;
95def analyzer_stats : Flag<["-"], "analyzer-stats">,
96  HelpText<"Print internal analyzer statistics.">;
97
98def analyzer_checker : Separate<["-"], "analyzer-checker">,
99  HelpText<"Choose analyzer checkers to enable">;
100def analyzer_checker_EQ : Joined<["-"], "analyzer-checker=">,
101  Alias<analyzer_checker>;
102
103def analyzer_disable_checker : Separate<["-"], "analyzer-disable-checker">,
104  HelpText<"Choose analyzer checkers to disable">;
105def analyzer_disable_checker_EQ : Joined<["-"], "analyzer-disable-checker=">,
106  Alias<analyzer_disable_checker>;
107
108def analyzer_checker_help : Flag<["-"], "analyzer-checker-help">,
109  HelpText<"Display the list of analyzer checkers that are available">;
110
111def analyzer_config : Separate<["-"], "analyzer-config">,
112  HelpText<"Choose analyzer options to enable">;
113
114//===----------------------------------------------------------------------===//
115// Migrator Options
116//===----------------------------------------------------------------------===//
117def migrator_no_nsalloc_error : Flag<["-"], "no-ns-alloc-error">,
118  HelpText<"Do not error on use of NSAllocateCollectable/NSReallocateCollectable">;
119
120def migrator_no_finalize_removal : Flag<["-"], "no-finalize-removal">,
121  HelpText<"Do not remove finalize method in gc mode">;
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 fdebug_compilation_dir : Separate<["-"], "fdebug-compilation-dir">,
134  HelpText<"The compilation directory to embed in the debug info.">;
135def dwarf_debug_flags : Separate<["-"], "dwarf-debug-flags">,
136  HelpText<"The string to embed in the Dwarf debug flags record.">;
137def dwarf_column_info : Flag<["-"], "dwarf-column-info">,
138  HelpText<"Turn on column location information.">;
139def split_dwarf : Flag<["-"], "split-dwarf">,
140  HelpText<"Split out the dwarf .dwo sections">;
141def gnu_pubnames : Flag<["-"], "gnu-pubnames">,
142  HelpText<"Emit newer GNU style pubnames">;
143def fforbid_guard_variables : Flag<["-"], "fforbid-guard-variables">,
144  HelpText<"Emit an error if a C++ static local initializer would need a guard variable">;
145def no_implicit_float : Flag<["-"], "no-implicit-float">,
146  HelpText<"Don't generate implicit floating point instructions">;
147def fdump_vtable_layouts : Flag<["-"], "fdump-vtable-layouts">,
148  HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">;
149def femit_coverage_notes : Flag<["-"], "femit-coverage-notes">,
150  HelpText<"Emit a gcov coverage notes file when compiling.">;
151def femit_coverage_data: Flag<["-"], "femit-coverage-data">,
152  HelpText<"Instrument the program to emit gcov coverage data when run.">;
153def coverage_file : Separate<["-"], "coverage-file">,
154  HelpText<"Emit coverage data to this filename. The extension will be replaced.">;
155def coverage_file_EQ : Joined<["-"], "coverage-file=">, Alias<coverage_file>;
156def coverage_cfg_checksum : Flag<["-"], "coverage-cfg-checksum">,
157  HelpText<"Emit CFG checksum for functions in .gcno files.">;
158def coverage_no_function_names_in_data : Flag<["-"], "coverage-no-function-names-in-data">,
159  HelpText<"Emit function names in .gcda files.">;
160def coverage_version_EQ : Joined<["-"], "coverage-version=">,
161  HelpText<"Four-byte version string for gcov files.">;
162def test_coverage : Flag<["-"], "test-coverage">,
163  HelpText<"Do not generate coverage files or remove coverage changes from IR">;
164def fuse_register_sized_bitfield_access: Flag<["-"], "fuse-register-sized-bitfield-access">,
165  HelpText<"Use register sized accesses to bit-fields, when possible.">;
166def relaxed_aliasing : Flag<["-"], "relaxed-aliasing">,
167  HelpText<"Turn off Type Based Alias Analysis">;
168def struct_path_tbaa : Flag<["-"], "struct-path-tbaa">,
169  HelpText<"Turn on struct-path aware Type Based Alias Analysis">;
170def masm_verbose : Flag<["-"], "masm-verbose">,
171  HelpText<"Generate verbose assembly output">;
172def mcode_model : Separate<["-"], "mcode-model">,
173  HelpText<"The code model to use">;
174def mdebug_pass : Separate<["-"], "mdebug-pass">,
175  HelpText<"Enable additional debug output">;
176def mdisable_fp_elim : Flag<["-"], "mdisable-fp-elim">,
177  HelpText<"Disable frame pointer elimination optimization">;
178def mdisable_tail_calls : Flag<["-"], "mdisable-tail-calls">,
179  HelpText<"Disable tail call optimization, keeping the call stack accurate">;
180def menable_no_infinities : Flag<["-"], "menable-no-infs">,
181  HelpText<"Allow optimization to assume there are no infinities.">;
182def menable_no_nans : Flag<["-"], "menable-no-nans">,
183  HelpText<"Allow optimization to assume there are no NaNs.">;
184def menable_unsafe_fp_math : Flag<["-"], "menable-unsafe-fp-math">,
185  HelpText<"Allow unsafe floating-point math optimizations which may decrease "
186           "precision">;
187def mfloat_abi : Separate<["-"], "mfloat-abi">,
188  HelpText<"The float ABI to use">;
189def mlimit_float_precision : Separate<["-"], "mlimit-float-precision">,
190  HelpText<"Limit float precision to the given value">;
191def mno_exec_stack : Flag<["-"], "mnoexecstack">,
192  HelpText<"Mark the file as not needing an executable stack">;
193def split_stacks : Flag<["-"], "split-stacks">,
194  HelpText<"Try to use a split stack if possible.">;
195def mno_zero_initialized_in_bss : Flag<["-"], "mno-zero-initialized-in-bss">,
196  HelpText<"Do not put zero initialized data in the BSS">;
197def backend_option : Separate<["-"], "backend-option">,
198  HelpText<"Additional arguments to forward to LLVM backend (during code gen)">;
199def mregparm : Separate<["-"], "mregparm">,
200  HelpText<"Limit the number of registers available for integer arguments">;
201def msave_temp_labels : Flag<["-"], "msave-temp-labels">,
202  HelpText<"(integrated-as) Save temporary labels">;
203def mrelocation_model : Separate<["-"], "mrelocation-model">,
204  HelpText<"The relocation model to use">;
205def munwind_tables : Flag<["-"], "munwind-tables">,
206  HelpText<"Generate unwinding tables for all functions">;
207def mconstructor_aliases : Flag<["-"], "mconstructor-aliases">,
208  HelpText<"Emit complete constructors and destructors as aliases when possible">;
209def mlink_bitcode_file : Separate<["-"], "mlink-bitcode-file">,
210  HelpText<"Link the given bitcode file before performing optimizations.">;
211def vectorize_loops : Flag<["-"], "vectorize-loops">,
212  HelpText<"Run the Loop vectorization passes">;
213def vectorize_slp : Flag<["-"], "vectorize-slp">,
214  HelpText<"Run the SLP vectorization passes">;
215def vectorize_slp_aggressive : Flag<["-"], "vectorize-slp-aggressive">,
216  HelpText<"Run the BB vectorization passes">;
217def dependent_lib : Joined<["--"], "dependent-lib=">,
218  HelpText<"Add dependent library">;
219
220//===----------------------------------------------------------------------===//
221// Dependency Output Options
222//===----------------------------------------------------------------------===//
223
224def sys_header_deps : Flag<["-"], "sys-header-deps">,
225  HelpText<"Include system headers in dependency output">;
226def header_include_file : Separate<["-"], "header-include-file">,
227  HelpText<"Filename (or -) to write header include output to">;
228def show_includes : Flag<["--"], "show-includes">,
229  HelpText<"Print cl.exe style /showIncludes to stderr">;
230
231//===----------------------------------------------------------------------===//
232// Diagnostic Options
233//===----------------------------------------------------------------------===//
234
235def diagnostic_log_file : Separate<["-"], "diagnostic-log-file">,
236  HelpText<"Filename (or -) to log diagnostics to">;
237def diagnostic_serialized_file : Separate<["-"], "serialize-diagnostic-file">,
238  MetaVarName<"<filename>">,
239  HelpText<"File for serializing diagnostics in a binary format">;
240
241def fdiagnostics_format : Separate<["-"], "fdiagnostics-format">,
242  HelpText<"Change diagnostic formatting to match IDE and command line tools">;
243def fdiagnostics_show_category : Separate<["-"], "fdiagnostics-show-category">,
244  HelpText<"Print diagnostic category">;
245def fno_diagnostics_use_presumed_location : Flag<["-"], "fno-diagnostics-use-presumed-location">,
246  HelpText<"Ignore #line directives when displaying diagnostic locations">;
247def ftabstop : Separate<["-"], "ftabstop">, MetaVarName<"<N>">,
248  HelpText<"Set the tab stop distance.">;
249def ferror_limit : Separate<["-"], "ferror-limit">, MetaVarName<"<N>">,
250  HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">;
251def fmacro_backtrace_limit : Separate<["-"], "fmacro-backtrace-limit">, MetaVarName<"<N>">,
252  HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">;
253def ftemplate_backtrace_limit : Separate<["-"], "ftemplate-backtrace-limit">, MetaVarName<"<N>">,
254  HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">;
255def fconstexpr_backtrace_limit : Separate<["-"], "fconstexpr-backtrace-limit">, MetaVarName<"<N>">,
256  HelpText<"Set the maximum number of entries to print in a constexpr evaluation backtrace (0 = no limit).">;
257def fmessage_length : Separate<["-"], "fmessage-length">, MetaVarName<"<N>">,
258  HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
259def Wno_rewrite_macros : Flag<["-"], "Wno-rewrite-macros">,
260  HelpText<"Silence ObjC rewriting warnings">;
261
262//===----------------------------------------------------------------------===//
263// Frontend Options
264//===----------------------------------------------------------------------===//
265
266// This isn't normally used, it is just here so we can parse a
267// CompilerInvocation out of a driver-derived argument vector.
268def cc1 : Flag<["-"], "cc1">;
269
270def ast_merge : Separate<["-"], "ast-merge">,
271  MetaVarName<"<ast file>">,
272  HelpText<"Merge the given AST file into the translation unit being compiled.">;
273def code_completion_at : Separate<["-"], "code-completion-at">,
274  MetaVarName<"<file>:<line>:<column>">,
275  HelpText<"Dump code-completion information at a location">;
276def remap_file : Separate<["-"], "remap-file">,
277  MetaVarName<"<from>;<to>">,
278  HelpText<"Replace the contents of the <from> file with the contents of the <to> file">;
279def code_completion_at_EQ : Joined<["-"], "code-completion-at=">,
280  Alias<code_completion_at>;
281def code_completion_macros : Flag<["-"], "code-completion-macros">,
282  HelpText<"Include macros in code-completion results">;
283def code_completion_patterns : Flag<["-"], "code-completion-patterns">,
284  HelpText<"Include code patterns in code-completion results">;
285def no_code_completion_globals : Flag<["-"], "no-code-completion-globals">,
286  HelpText<"Do not include global declarations in code-completion results.">;
287def code_completion_brief_comments : Flag<["-"], "code-completion-brief-comments">,
288  HelpText<"Include brief documentation comments in code-completion results.">;
289def disable_free : Flag<["-"], "disable-free">,
290  HelpText<"Disable freeing of memory on exit">;
291def load : Separate<["-"], "load">, MetaVarName<"<dsopath>">,
292  HelpText<"Load the named plugin (dynamic shared object)">;
293def plugin : Separate<["-"], "plugin">, MetaVarName<"<name>">,
294  HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">;
295def plugin_arg : JoinedAndSeparate<["-"], "plugin-arg-">,
296    MetaVarName<"<name> <arg>">,
297    HelpText<"Pass <arg> to plugin <name>">;
298def add_plugin : Separate<["-"], "add-plugin">, MetaVarName<"<name>">,
299  HelpText<"Use the named plugin action in addition to the default action">;
300def version : Flag<["-"], "version">,
301  HelpText<"Print the compiler version">;
302def ast_dump_filter : Separate<["-"], "ast-dump-filter">,
303  MetaVarName<"<dump_filter>">,
304  HelpText<"Use with -ast-dump or -ast-print to dump/print only AST declaration"
305           " nodes having a certain substring in a qualified name. Use"
306           " -ast-list to list all filterable declaration node names.">;
307def ast_dump_lookups : Flag<["-"], "ast-dump-lookups">,
308  HelpText<"Include name lookup table dumps in AST dumps">;
309def fno_modules_global_index : Flag<["-"], "fno-modules-global-index">,
310  HelpText<"Do not automatically generate or update the global module index">;
311
312let Group = Action_Group in {
313
314def Eonly : Flag<["-"], "Eonly">,
315  HelpText<"Just run preprocessor, no output (for timings)">;
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 fixit : Flag<["-"], "fixit">,
325  HelpText<"Apply fix-it advice to the input source">;
326def fixit_EQ : Joined<["-"], "fixit=">,
327  HelpText<"Apply fix-it advice creating a file with the given suffix">;
328def print_preamble : Flag<["-"], "print-preamble">,
329  HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit"
330           " precompiled headers.">;
331def emit_html : Flag<["-"], "emit-html">,
332  HelpText<"Output input source as HTML">;
333def ast_print : Flag<["-"], "ast-print">,
334  HelpText<"Build ASTs and then pretty-print them">;
335def ast_list : Flag<["-"], "ast-list">,
336  HelpText<"Build ASTs and print the list of declaration node qualified names">;
337def ast_dump : Flag<["-"], "ast-dump">,
338  HelpText<"Build ASTs and then debug dump them">;
339def ast_view : Flag<["-"], "ast-view">,
340  HelpText<"Build ASTs and view them with GraphViz">;
341def print_decl_contexts : Flag<["-"], "print-decl-contexts">,
342  HelpText<"Print DeclContexts and their Decls">;
343def emit_module : Flag<["-"], "emit-module">,
344  HelpText<"Generate pre-compiled module file from a module map">;
345def emit_pth : Flag<["-"], "emit-pth">,
346  HelpText<"Generate pre-tokenized header file">;
347def emit_pch : Flag<["-"], "emit-pch">,
348  HelpText<"Generate pre-compiled header file">;
349def emit_llvm_bc : Flag<["-"], "emit-llvm-bc">,
350  HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
351def emit_llvm_only : Flag<["-"], "emit-llvm-only">,
352  HelpText<"Build ASTs and convert to LLVM, discarding output">;
353def emit_codegen_only : Flag<["-"], "emit-codegen-only">,
354  HelpText<"Generate machine code, but discard output">;
355def emit_obj : Flag<["-"], "emit-obj">,
356  HelpText<"Emit native object files">;
357def rewrite_test : Flag<["-"], "rewrite-test">,
358  HelpText<"Rewriter playground">;
359def rewrite_macros : Flag<["-"], "rewrite-macros">,
360  HelpText<"Expand macros without full preprocessing">;
361def migrate : Flag<["-"], "migrate">,
362  HelpText<"Migrate source code">;
363}
364
365def mt_migrate_directory : Separate<["-"], "mt-migrate-directory">,
366  HelpText<"Directory for temporary files produced during ARC or ObjC migration">;
367def arcmt_check : Flag<["-"], "arcmt-check">,
368  HelpText<"Check for ARC migration issues that need manual handling">;
369def arcmt_modify : Flag<["-"], "arcmt-modify">,
370  HelpText<"Apply modifications to files to conform to ARC">;
371def arcmt_migrate : Flag<["-"], "arcmt-migrate">,
372  HelpText<"Apply modifications and produces temporary files that conform to ARC">;
373
374def print_stats : Flag<["-"], "print-stats">,
375  HelpText<"Print performance metrics and statistics">;
376def fdump_record_layouts : Flag<["-"], "fdump-record-layouts">,
377  HelpText<"Dump record layout information">;
378def fdump_record_layouts_simple : Flag<["-"], "fdump-record-layouts-simple">,
379  HelpText<"Dump record layout information in a simple form used for testing">;
380def fix_what_you_can : Flag<["-"], "fix-what-you-can">,
381  HelpText<"Apply fix-it advice even in the presence of unfixable errors">;
382def fix_only_warnings : Flag<["-"], "fix-only-warnings">,
383  HelpText<"Apply fix-it advice only for warnings, not errors">;
384def fixit_recompile : Flag<["-"], "fixit-recompile">,
385  HelpText<"Apply fix-it changes and recompile">;
386def fixit_to_temp : Flag<["-"], "fixit-to-temporary">,
387  HelpText<"Apply fix-it changes to temporary files">;
388
389def foverride_record_layout_EQ : Joined<["-"], "foverride-record-layout=">,
390  HelpText<"Override record layouts with those in the given file">;
391  
392//===----------------------------------------------------------------------===//
393// Language Options
394//===----------------------------------------------------------------------===//
395
396def fblocks_runtime_optional : Flag<["-"], "fblocks-runtime-optional">,
397  HelpText<"Weakly link in the blocks runtime">;
398def fsjlj_exceptions : Flag<["-"], "fsjlj-exceptions">,
399  HelpText<"Use SjLj style exceptions">;
400def fhidden_weak_vtables : Flag<["-"], "fhidden-weak-vtables">,
401  HelpText<"Generate weak vtables and RTTI with hidden visibility">;
402def main_file_name : Separate<["-"], "main-file-name">,
403  HelpText<"Main file name to use for debug info">;
404def split_dwarf_file : Separate<["-"], "split-dwarf-file">,
405  HelpText<"File name to use for split dwarf debug info output">;
406def fno_wchar : Flag<["-"], "fno-wchar">,
407  HelpText<"Disable C++ builtin type wchar_t">;
408def fconstant_string_class : Separate<["-"], "fconstant-string-class">,
409  MetaVarName<"<class name>">,
410  HelpText<"Specify the class to use for constant Objective-C string objects.">;
411def fobjc_arc_cxxlib_EQ : Joined<["-"], "fobjc-arc-cxxlib=">,
412  HelpText<"Objective-C++ Automatic Reference Counting standard library kind">;
413def fobjc_runtime_has_weak : Flag<["-"], "fobjc-runtime-has-weak">,
414  HelpText<"The target Objective-C runtime supports ARC weak operations">;
415def fobjc_dispatch_method_EQ : Joined<["-"], "fobjc-dispatch-method=">,
416  HelpText<"Objective-C dispatch method to use">;
417def disable_objc_default_synthesize_properties : Flag<["-"], "disable-objc-default-synthesize-properties">,
418  HelpText<"disable the default synthesis of Objective-C properties">;
419def fencode_extended_block_signature : Flag<["-"], "fencode-extended-block-signature">,
420  HelpText<"enable extended encoding of block type signature">;
421def pic_level : Separate<["-"], "pic-level">,
422  HelpText<"Value for __PIC__">;
423def pie_level : Separate<["-"], "pie-level">,
424  HelpText<"Value for __PIE__">;
425def fno_validate_pch : Flag<["-"], "fno-validate-pch">,
426  HelpText<"Disable validation of precompiled headers">;
427def dump_deserialized_pch_decls : Flag<["-"], "dump-deserialized-decls">,
428  HelpText<"Dump declarations that are deserialized from PCH, for testing">;
429def error_on_deserialized_pch_decl : Separate<["-"], "error-on-deserialized-decl">,
430  HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">;
431def error_on_deserialized_pch_decl_EQ : Joined<["-"], "error-on-deserialized-decl=">,
432  Alias<error_on_deserialized_pch_decl>;
433def static_define : Flag<["-"], "static-define">,
434  HelpText<"Should __STATIC__ be defined">;
435def stack_protector : Separate<["-"], "stack-protector">,
436  HelpText<"Enable stack protectors">;
437def stack_protector_buffer_size : Separate<["-"], "stack-protector-buffer-size">,
438  HelpText<"Lower bound for a buffer to be considered for stack protection">;
439def fvisibility : Separate<["-"], "fvisibility">,
440  HelpText<"Default type and symbol visibility">;
441def ftype_visibility : Separate<["-"], "ftype-visibility">,
442  HelpText<"Default type visibility">;
443def ftemplate_depth : Separate<["-"], "ftemplate-depth">,
444  HelpText<"Maximum depth of recursive template instantiation">;
445def fconstexpr_depth : Separate<["-"], "fconstexpr-depth">,
446  HelpText<"Maximum depth of recursive constexpr function calls">;
447def fconstexpr_steps : Separate<["-"], "fconstexpr-steps">,
448  HelpText<"Maximum number of steps in constexpr function evaluation">;
449def fbracket_depth : Separate<["-"], "fbracket-depth">,
450  HelpText<"Maximum nesting level for parentheses, brackets, and braces">;
451def fconst_strings : Flag<["-"], "fconst-strings">,
452  HelpText<"Use a const qualified type for string literals in C and ObjC">;
453def fno_const_strings : Flag<["-"], "fno-const-strings">,
454  HelpText<"Don't use a const qualified type for string literals in C and ObjC">;
455def fno_bitfield_type_align : Flag<["-"], "fno-bitfield-type-align">,
456  HelpText<"Ignore bit-field types when aligning structures">;
457def ffake_address_space_map : Flag<["-"], "ffake-address-space-map">,
458  HelpText<"Use a fake address space map; OpenCL testing purposes only">;
459def faddress_space_map_mangling_EQ : Joined<["-"], "faddress-space-map-mangling=">, MetaVarName<"<yes|no|target>">,
460  HelpText<"Set the mode for address space map based mangling; OpenCL testing purposes only">;
461def funknown_anytype : Flag<["-"], "funknown-anytype">,
462  HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">;
463def fdebugger_support : Flag<["-"], "fdebugger-support">,
464  HelpText<"Enable special debugger support behavior">;
465def fdebugger_cast_result_to_id : Flag<["-"], "fdebugger-cast-result-to-id">,
466  HelpText<"Enable casting unknown expression results to id">;
467def fdebugger_objc_literal : Flag<["-"], "fdebugger-objc-literal">,
468  HelpText<"Enable special debugger support for Objective-C subscripting and literals">;
469def fdeprecated_macro : Flag<["-"], "fdeprecated-macro">,
470  HelpText<"Defines the __DEPRECATED macro">;
471def fno_deprecated_macro : Flag<["-"], "fno-deprecated-macro">,
472  HelpText<"Undefines the __DEPRECATED macro">;
473def fsized_deallocation : Flag<["-"], "fsized-deallocation">,
474  HelpText<"Enable C++1y sized global deallocation functions">;
475
476//===----------------------------------------------------------------------===//
477// Header Search Options
478//===----------------------------------------------------------------------===//
479
480def nostdsysteminc : Flag<["-"], "nostdsysteminc">,
481  HelpText<"Disable standard system #include directories">;
482def fmodule_name : Joined<["-"], "fmodule-name=">,
483  MetaVarName<"<name>">,
484  HelpText<"Specify the name of the module to build">;
485def fmodule_map_file : Joined<["-"], "fmodule-map-file=">,
486  MetaVarName<"<file>">,
487  HelpText<"Load this module map file">;
488def fdisable_module_hash : Flag<["-"], "fdisable-module-hash">,
489  HelpText<"Disable the module hash">;
490def c_isystem : JoinedOrSeparate<["-"], "c-isystem">, MetaVarName<"<directory>">,
491  HelpText<"Add directory to the C SYSTEM include search path">;
492def objc_isystem : JoinedOrSeparate<["-"], "objc-isystem">,
493  MetaVarName<"<directory>">,
494  HelpText<"Add directory to the ObjC SYSTEM include search path">;
495def objcxx_isystem : JoinedOrSeparate<["-"], "objcxx-isystem">,
496  MetaVarName<"<directory>">,
497  HelpText<"Add directory to the ObjC++ SYSTEM include search path">;
498def internal_isystem : JoinedOrSeparate<["-"], "internal-isystem">,
499  MetaVarName<"<directory>">,
500  HelpText<"Add directory to the internal system include search path; these "
501           "are assumed to not be user-provided and are used to model system "
502           "and standard headers' paths.">;
503def internal_externc_isystem : JoinedOrSeparate<["-"], "internal-externc-isystem">,
504  MetaVarName<"<directory>">,
505  HelpText<"Add directory to the internal system include search path with "
506           "implicit extern \"C\" semantics; these are assumed to not be "
507           "user-provided and are used to model system and standard headers' "
508           "paths.">;
509def isystem_prefix : JoinedOrSeparate<["-"], "isystem-prefix">,
510  MetaVarName<"<prefix>">,
511  HelpText<"Treat all #include paths starting with <prefix> as including a "
512           "system header.">;
513def ino_system_prefix : JoinedOrSeparate<["-"], "ino-system-prefix">,
514  MetaVarName<"<prefix>">,
515  HelpText<"Treat all #include paths starting with <prefix> as not including a "
516           "system header.">;
517
518//===----------------------------------------------------------------------===//
519// Preprocessor Options
520//===----------------------------------------------------------------------===//
521
522def include_pth : Separate<["-"], "include-pth">, MetaVarName<"<file>">,
523  HelpText<"Include file before parsing">;
524def chain_include : Separate<["-"], "chain-include">, MetaVarName<"<file>">,
525  HelpText<"Include and chain a header file after turning it into PCH">;
526def preamble_bytes_EQ : Joined<["-"], "preamble-bytes=">,
527  HelpText<"Assume that the precompiled header is a precompiled preamble "
528           "covering the first N bytes of the main file">;
529def token_cache : Separate<["-"], "token-cache">, MetaVarName<"<path>">,
530  HelpText<"Use specified token cache file">;
531def detailed_preprocessing_record : Flag<["-"], "detailed-preprocessing-record">,
532  HelpText<"include a detailed record of preprocessing actions">;
533
534//===----------------------------------------------------------------------===//
535// OpenCL Options
536//===----------------------------------------------------------------------===//
537
538def cl_opt_disable : Flag<["-"], "cl-opt-disable">,
539  HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">;
540def cl_single_precision_constant : Flag<["-"], "cl-single-precision-constant">,
541  HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
542def cl_finite_math_only : Flag<["-"], "cl-finite-math-only">,
543  HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
544def cl_unsafe_math_optimizations : Flag<["-"], "cl-unsafe-math-optimizations">,
545  HelpText<"OpenCL only. Allow unsafe floating-point optimizations.  Also implies -cl-no-signed-zeros and -cl-mad-enable">;
546def cl_fast_relaxed_math : Flag<["-"], "cl-fast-relaxed-math">,
547  HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">;
548def cl_mad_enable : Flag<["-"], "cl-mad-enable">,
549  HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">;
550def cl_std_EQ : Joined<["-"], "cl-std=">,
551  HelpText<"OpenCL language standard to compile for">;
552
553//===----------------------------------------------------------------------===//
554// CUDA Options
555//===----------------------------------------------------------------------===//
556
557def fcuda_is_device : Flag<["-"], "fcuda-is-device">,
558  HelpText<"Generate code for CUDA device">;
559
560} // let Flags = [CC1Option]
561