CC1Options.td revision ad95481b2769ad61f23afc5e2c31f11c66090657
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 target_feature : Separate<["-"], "target-feature">,
27  HelpText<"Target specific attributes">;
28def target_linker_version : Separate<["-"], "target-linker-version">,
29  HelpText<"Target linker version">;
30def triple : Separate<["-"], "triple">,
31  HelpText<"Specify target triple (e.g. i686-apple-darwin9)">;
32def triple_EQ : Joined<["-"], "triple=">, Alias<triple>;
33
34//===----------------------------------------------------------------------===//
35// Analyzer Options
36//===----------------------------------------------------------------------===//
37
38def analysis_UnoptimizedCFG : Flag<["-"], "unoptimized-cfg">,
39  HelpText<"Generate unoptimized CFGs for all analyses">;
40def analysis_CFGAddImplicitDtors : Flag<["-"], "cfg-add-implicit-dtors">,
41  HelpText<"Add C++ implicit destructors to CFGs for all analyses">;
42
43def analyzer_store : Separate<["-"], "analyzer-store">,
44  HelpText<"Source Code Analysis - Abstract Memory Store Models">;
45def analyzer_store_EQ : Joined<["-"], "analyzer-store=">, Alias<analyzer_store>;
46
47def analyzer_constraints : Separate<["-"], "analyzer-constraints">,
48  HelpText<"Source Code Analysis - Symbolic Constraint Engines">;
49def analyzer_constraints_EQ : Joined<["-"], "analyzer-constraints=">,
50  Alias<analyzer_constraints>;
51
52def analyzer_output : Separate<["-"], "analyzer-output">,
53  HelpText<"Source Code Analysis - Output Options">;
54def analyzer_output_EQ : Joined<["-"], "analyzer-output=">,
55  Alias<analyzer_output>;
56
57def analyzer_purge : Separate<["-"], "analyzer-purge">,
58  HelpText<"Source Code Analysis - Dead Symbol Removal Frequency">;
59def analyzer_purge_EQ : Joined<["-"], "analyzer-purge=">, Alias<analyzer_purge>;
60
61def analyzer_opt_analyze_headers : Flag<["-"], "analyzer-opt-analyze-headers">,
62  HelpText<"Force the static analyzer to analyze functions defined in header files">;
63def analyzer_opt_analyze_nested_blocks : Flag<["-"], "analyzer-opt-analyze-nested-blocks">,
64  HelpText<"Analyze the definitions of blocks in addition to functions">;
65def analyzer_display_progress : Flag<["-"], "analyzer-display-progress">,
66  HelpText<"Emit verbose output about the analyzer's progress">;
67def analyze_function : Separate<["-"], "analyze-function">,
68  HelpText<"Run analysis on specific function">;
69def analyze_function_EQ : Joined<["-"], "analyze-function=">, Alias<analyze_function>;
70def analyzer_eagerly_assume : Flag<["-"], "analyzer-eagerly-assume">,
71  HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">;
72def trim_egraph : Flag<["-"], "trim-egraph">,
73  HelpText<"Only show error-related paths in the analysis graph">;
74def analyzer_viz_egraph_graphviz : Flag<["-"], "analyzer-viz-egraph-graphviz">,
75  HelpText<"Display exploded graph using GraphViz">;
76def analyzer_viz_egraph_ubigraph : Flag<["-"], "analyzer-viz-egraph-ubigraph">,
77  HelpText<"Display exploded graph using Ubigraph">;
78
79def analyzer_inline_max_stack_depth : Separate<["-"], "analyzer-inline-max-stack-depth">,
80  HelpText<"Bound on stack depth while inlining (4 by default)">;
81def analyzer_inline_max_stack_depth_EQ : Joined<["-"], "analyzer-inline-max-stack-depth=">, 
82  Alias<analyzer_inline_max_stack_depth>;
83  
84def analyzer_inline_max_function_size : Separate<["-"], "analyzer-inline-max-function-size">,
85  HelpText<"Bound on the number of basic blocks in an inlined function (200 by default)">;
86def analyzer_inline_max_function_size_EQ : Joined<["-"], "analyzer-inline-max-function-size=">, 
87  Alias<analyzer_inline_max_function_size>;
88
89def analyzer_ipa : Separate<["-"], "analyzer-ipa">,
90  HelpText<"Specify the inter-procedural analysis mode">;
91def analyzer_ipa_EQ : Joined<["-"], "analyzer-ipa=">, Alias<analyzer_ipa>;
92  
93def analyzer_inlining_mode : Separate<["-"], "analyzer-inlining-mode">,
94  HelpText<"Specify the function selection heuristic used during inlining">;
95def analyzer_inlining_mode_EQ : Joined<["-"], "analyzer-inlining-mode=">, Alias<analyzer_inlining_mode>;
96
97def analyzer_disable_retry_exhausted : Flag<["-"], "analyzer-disable-retry-exhausted">,
98  HelpText<"Do not re-analyze paths leading to exhausted nodes with a different strategy (may decrease code coverage)">;
99  
100def analyzer_max_nodes : Separate<["-"], "analyzer-max-nodes">,
101  HelpText<"The maximum number of nodes the analyzer can generate (150000 default, 0 = no limit)">;
102def analyzer_max_loop : Separate<["-"], "analyzer-max-loop">,
103  HelpText<"The maximum number of times the analyzer will go through a loop">;
104def analyzer_stats : Flag<["-"], "analyzer-stats">,
105  HelpText<"Print internal analyzer statistics.">;
106
107def analyzer_checker : Separate<["-"], "analyzer-checker">,
108  HelpText<"Choose analyzer checkers to enable">;
109def analyzer_checker_EQ : Joined<["-"], "analyzer-checker=">,
110  Alias<analyzer_checker>;
111
112def analyzer_disable_checker : Separate<["-"], "analyzer-disable-checker">,
113  HelpText<"Choose analyzer checkers to disable">;
114def analyzer_disable_checker_EQ : Joined<["-"], "analyzer-disable-checker=">,
115  Alias<analyzer_disable_checker>;
116
117def analyzer_checker_help : Flag<["-"], "analyzer-checker-help">,
118  HelpText<"Display the list of analyzer checkers that are available">;
119
120def analyzer_config : Separate<["-"], "analyzer-config">,
121  HelpText<"Choose analyzer options to enable">;
122
123//===----------------------------------------------------------------------===//
124// Migrator Options
125//===----------------------------------------------------------------------===//
126def migrator_no_nsalloc_error : Flag<["-"], "no-ns-alloc-error">,
127  HelpText<"Do not error on use of NSAllocateCollectable/NSReallocateCollectable">;
128
129def migrator_no_finalize_removal : Flag<["-"], "no-finalize-removal">,
130  HelpText<"Do not remove finalize method in gc mode">;
131
132//===----------------------------------------------------------------------===//
133// CodeGen Options
134//===----------------------------------------------------------------------===//
135
136def disable_llvm_optzns : Flag<["-"], "disable-llvm-optzns">,
137  HelpText<"Don't run LLVM optimization passes">;
138def disable_llvm_verifier : Flag<["-"], "disable-llvm-verifier">,
139  HelpText<"Don't run the LLVM IR verifier pass">;
140def disable_red_zone : Flag<["-"], "disable-red-zone">,
141  HelpText<"Do not emit code that uses the red zone.">;
142def fdebug_compilation_dir : Separate<["-"], "fdebug-compilation-dir">,
143  HelpText<"The compilation directory to embed in the debug info.">;
144def dwarf_debug_flags : Separate<["-"], "dwarf-debug-flags">,
145  HelpText<"The string to embed in the Dwarf debug flags record.">;
146def dwarf_column_info : Flag<["-"], "dwarf-column-info">,
147  HelpText<"Turn on column location information.">;
148def fforbid_guard_variables : Flag<["-"], "fforbid-guard-variables">,
149  HelpText<"Emit an error if a C++ static local initializer would need a guard variable">;
150def no_implicit_float : Flag<["-"], "no-implicit-float">,
151  HelpText<"Don't generate implicit floating point instructions">;
152def fdump_vtable_layouts : Flag<["-"], "fdump-vtable-layouts">,
153  HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">;
154def femit_coverage_notes : Flag<["-"], "femit-coverage-notes">,
155  HelpText<"Emit a gcov coverage notes file when compiling.">;
156def femit_coverage_data: Flag<["-"], "femit-coverage-data">,
157  HelpText<"Instrument the program to emit gcov coverage data when run.">;
158def coverage_file : Separate<["-"], "coverage-file">,
159  HelpText<"Emit coverage data to this filename. The extension will be replaced.">;
160def coverage_file_EQ : Joined<["-"], "coverage-file=">, Alias<coverage_file>;
161def fuse_register_sized_bitfield_access: Flag<["-"], "fuse-register-sized-bitfield-access">,
162  HelpText<"Use register sized accesses to bit-fields, when possible.">;
163def relaxed_aliasing : Flag<["-"], "relaxed-aliasing">,
164  HelpText<"Turn off Type Based Alias Analysis">;
165def masm_verbose : Flag<["-"], "masm-verbose">,
166  HelpText<"Generate verbose assembly output">;
167def mcode_model : Separate<["-"], "mcode-model">,
168  HelpText<"The code model to use">;
169def mdebug_pass : Separate<["-"], "mdebug-pass">,
170  HelpText<"Enable additional debug output">;
171def mdisable_fp_elim : Flag<["-"], "mdisable-fp-elim">,
172  HelpText<"Disable frame pointer elimination optimization">;
173def mdisable_tail_calls : Flag<["-"], "mdisable-tail-calls">,
174  HelpText<"Disable tail call optimization, keeping the call stack accurate">;
175def menable_no_infinities : Flag<["-"], "menable-no-infs">,
176  HelpText<"Allow optimization to assume there are no infinities.">;
177def menable_no_nans : Flag<["-"], "menable-no-nans">,
178  HelpText<"Allow optimization to assume there are no NaNs.">;
179def menable_unsafe_fp_math : Flag<["-"], "menable-unsafe-fp-math">,
180  HelpText<"Allow unsafe floating-point math optimizations which may decrease "
181           "precision">;
182def mfloat_abi : Separate<["-"], "mfloat-abi">,
183  HelpText<"The float ABI to use">;
184def mlimit_float_precision : Separate<["-"], "mlimit-float-precision">,
185  HelpText<"Limit float precision to the given value">;
186def mno_exec_stack : Flag<["-"], "mnoexecstack">,
187  HelpText<"Mark the file as not needing an executable stack">;
188def mno_zero_initialized_in_bss : Flag<["-"], "mno-zero-initialized-in-bss">,
189  HelpText<"Do not put zero initialized data in the BSS">;
190def backend_option : Separate<["-"], "backend-option">,
191  HelpText<"Additional arguments to forward to LLVM backend (during code gen)">;
192def mregparm : Separate<["-"], "mregparm">,
193  HelpText<"Limit the number of registers available for integer arguments">;
194def msave_temp_labels : Flag<["-"], "msave-temp-labels">,
195  HelpText<"(integrated-as) Save temporary labels">;
196def mrelocation_model : Separate<["-"], "mrelocation-model">,
197  HelpText<"The relocation model to use">;
198def munwind_tables : Flag<["-"], "munwind-tables">,
199  HelpText<"Generate unwinding tables for all functions">;
200def mconstructor_aliases : Flag<["-"], "mconstructor-aliases">,
201  HelpText<"Emit complete constructors and destructors as aliases when possible">;
202def mlink_bitcode_file : Separate<["-"], "mlink-bitcode-file">,
203  HelpText<"Link the given bitcode file before performing optimizations.">;
204def fsanitize_recover : Flag<["-"], "fsanitize-recover">,
205  HelpText<"Attempt to recover from failed sanitizer checks when possible">;
206
207//===----------------------------------------------------------------------===//
208// Dependency Output Options
209//===----------------------------------------------------------------------===//
210
211def sys_header_deps : Flag<["-"], "sys-header-deps">,
212  HelpText<"Include system headers in dependency output">;
213def header_include_file : Separate<["-"], "header-include-file">,
214  HelpText<"Filename (or -) to write header include output to">;
215
216//===----------------------------------------------------------------------===//
217// Diagnostic Options
218//===----------------------------------------------------------------------===//
219
220def dump_build_information : Separate<["-"], "dump-build-information">,
221  MetaVarName<"<filename>">,
222  HelpText<"output a dump of some build information to a file">;
223def diagnostic_log_file : Separate<["-"], "diagnostic-log-file">,
224  HelpText<"Filename (or -) to log diagnostics to">;
225def diagnostic_serialized_file : Separate<["-"], "serialize-diagnostic-file">,
226  MetaVarName<"<filename>">,
227  HelpText<"File for serializing diagnostics in a binary format">;
228
229def fdiagnostics_format : Separate<["-"], "fdiagnostics-format">,
230  HelpText<"Change diagnostic formatting to match IDE and command line tools">;
231def fdiagnostics_show_category : Separate<["-"], "fdiagnostics-show-category">,
232  HelpText<"Print diagnostic category">;
233def fno_diagnostics_use_presumed_location : Flag<["-"], "fno-diagnostics-use-presumed-location">,
234  HelpText<"Ignore #line directives when displaying diagnostic locations">;
235def ftabstop : Separate<["-"], "ftabstop">, MetaVarName<"<N>">,
236  HelpText<"Set the tab stop distance.">;
237def ferror_limit : Separate<["-"], "ferror-limit">, MetaVarName<"<N>">,
238  HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">;
239def fmacro_backtrace_limit : Separate<["-"], "fmacro-backtrace-limit">, MetaVarName<"<N>">,
240  HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">;
241def ftemplate_backtrace_limit : Separate<["-"], "ftemplate-backtrace-limit">, MetaVarName<"<N>">,
242  HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">;
243def fconstexpr_backtrace_limit : Separate<["-"], "fconstexpr-backtrace-limit">, MetaVarName<"<N>">,
244  HelpText<"Set the maximum number of entries to print in a constexpr evaluation backtrace (0 = no limit).">;
245def fmessage_length : Separate<["-"], "fmessage-length">, MetaVarName<"<N>">,
246  HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
247def Wno_rewrite_macros : Flag<["-"], "Wno-rewrite-macros">,
248  HelpText<"Silence ObjC rewriting warnings">;
249
250//===----------------------------------------------------------------------===//
251// Frontend Options
252//===----------------------------------------------------------------------===//
253
254// This isn't normally used, it is just here so we can parse a
255// CompilerInvocation out of a driver-derived argument vector.
256def cc1 : Flag<["-"], "cc1">;
257
258def ast_merge : Separate<["-"], "ast-merge">,
259  MetaVarName<"<ast file>">,
260  HelpText<"Merge the given AST file into the translation unit being compiled.">;
261def code_completion_at : Separate<["-"], "code-completion-at">,
262  MetaVarName<"<file>:<line>:<column>">,
263  HelpText<"Dump code-completion information at a location">;
264def remap_file : Separate<["-"], "remap-file">,
265  MetaVarName<"<from>;<to>">,
266  HelpText<"Replace the contents of the <from> file with the contents of the <to> file">;
267def code_completion_at_EQ : Joined<["-"], "code-completion-at=">,
268  Alias<code_completion_at>;
269def code_completion_macros : Flag<["-"], "code-completion-macros">,
270  HelpText<"Include macros in code-completion results">;
271def code_completion_patterns : Flag<["-"], "code-completion-patterns">,
272  HelpText<"Include code patterns in code-completion results">;
273def no_code_completion_globals : Flag<["-"], "no-code-completion-globals">,
274  HelpText<"Do not include global declarations in code-completion results.">;
275def code_completion_brief_comments : Flag<["-"], "code-completion-brief-comments">,
276  HelpText<"Include brief documentation comments in code-completion results.">;
277def disable_free : Flag<["-"], "disable-free">,
278  HelpText<"Disable freeing of memory on exit">;
279def load : Separate<["-"], "load">, MetaVarName<"<dsopath>">,
280  HelpText<"Load the named plugin (dynamic shared object)">;
281def plugin : Separate<["-"], "plugin">, MetaVarName<"<name>">,
282  HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">;
283def plugin_arg : JoinedAndSeparate<["-"], "plugin-arg-">,
284    MetaVarName<"<name> <arg>">,
285    HelpText<"Pass <arg> to plugin <name>">;
286def add_plugin : Separate<["-"], "add-plugin">, MetaVarName<"<name>">,
287  HelpText<"Use the named plugin action in addition to the default action">;
288def resource_dir : Separate<["-"], "resource-dir">,
289  HelpText<"The directory which holds the compiler resource files">;
290def version : Flag<["-"], "version">,
291  HelpText<"Print the compiler version">;
292def ast_dump_filter : Separate<["-"], "ast-dump-filter">,
293  MetaVarName<"<dump_filter>">,
294  HelpText<"Use with -ast-dump or -ast-print to dump/print only AST declaration"
295           " nodes having a certain substring in a qualified name. Use"
296           " -ast-list to list all filterable declaration node names.">;
297
298let Group = Action_Group in {
299
300def Eonly : Flag<["-"], "Eonly">,
301  HelpText<"Just run preprocessor, no output (for timings)">;
302def dump_raw_tokens : Flag<["-"], "dump-raw-tokens">,
303  HelpText<"Lex file in raw mode and dump raw tokens">;
304def analyze : Flag<["-"], "analyze">,
305  HelpText<"Run static analysis engine">;
306def dump_tokens : Flag<["-"], "dump-tokens">,
307  HelpText<"Run preprocessor, dump internal rep of tokens">;
308def init_only : Flag<["-"], "init-only">,
309  HelpText<"Only execute frontend initialization">;
310def fixit : Flag<["-"], "fixit">,
311  HelpText<"Apply fix-it advice to the input source">;
312def fixit_EQ : Joined<["-"], "fixit=">,
313  HelpText<"Apply fix-it advice creating a file with the given suffix">;
314def print_preamble : Flag<["-"], "print-preamble">,
315  HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit"
316           " precompiled headers.">;
317def emit_html : Flag<["-"], "emit-html">,
318  HelpText<"Output input source as HTML">;
319def ast_print : Flag<["-"], "ast-print">,
320  HelpText<"Build ASTs and then pretty-print them">;
321def ast_list : Flag<["-"], "ast-list">,
322  HelpText<"Build ASTs and print the list of declaration node qualified names">;
323def ast_dump : Flag<["-"], "ast-dump">,
324  HelpText<"Build ASTs and then debug dump them">;
325def ast_dump_xml : Flag<["-"], "ast-dump-xml">,
326  HelpText<"Build ASTs and then debug dump them in a verbose XML format">;
327def ast_view : Flag<["-"], "ast-view">,
328  HelpText<"Build ASTs and view them with GraphViz">;
329def print_decl_contexts : Flag<["-"], "print-decl-contexts">,
330  HelpText<"Print DeclContexts and their Decls">;
331def emit_module : Flag<["-"], "emit-module">,
332  HelpText<"Generate pre-compiled module file from a module map">;
333def emit_pth : Flag<["-"], "emit-pth">,
334  HelpText<"Generate pre-tokenized header file">;
335def emit_pch : Flag<["-"], "emit-pch">,
336  HelpText<"Generate pre-compiled header file">;
337def emit_llvm_bc : Flag<["-"], "emit-llvm-bc">,
338  HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
339def emit_llvm_only : Flag<["-"], "emit-llvm-only">,
340  HelpText<"Build ASTs and convert to LLVM, discarding output">;
341def emit_codegen_only : Flag<["-"], "emit-codegen-only">,
342  HelpText<"Generate machine code, but discard output">;
343def emit_obj : Flag<["-"], "emit-obj">,
344  HelpText<"Emit native object files">;
345def rewrite_test : Flag<["-"], "rewrite-test">,
346  HelpText<"Rewriter playground">;
347def rewrite_macros : Flag<["-"], "rewrite-macros">,
348  HelpText<"Expand macros without full preprocessing">;
349def migrate : Flag<["-"], "migrate">,
350  HelpText<"Migrate source code">;
351}
352
353def mt_migrate_directory : Separate<["-"], "mt-migrate-directory">,
354  HelpText<"Directory for temporary files produced during ARC or ObjC migration">;
355def arcmt_check : Flag<["-"], "arcmt-check">,
356  HelpText<"Check for ARC migration issues that need manual handling">;
357def arcmt_modify : Flag<["-"], "arcmt-modify">,
358  HelpText<"Apply modifications to files to conform to ARC">;
359def arcmt_migrate : Flag<["-"], "arcmt-migrate">,
360  HelpText<"Apply modifications and produces temporary files that conform to ARC">;
361
362def relocatable_pch : Flag<["-", "--"], "relocatable-pch">,
363  HelpText<"Whether to build a relocatable precompiled header">;
364def print_stats : Flag<["-"], "print-stats">,
365  HelpText<"Print performance metrics and statistics">;
366def fdump_record_layouts : Flag<["-"], "fdump-record-layouts">,
367  HelpText<"Dump record layout information">;
368def fdump_record_layouts_simple : Flag<["-"], "fdump-record-layouts-simple">,
369  HelpText<"Dump record layout information in a simple form used for testing">;
370def fix_what_you_can : Flag<["-"], "fix-what-you-can">,
371  HelpText<"Apply fix-it advice even in the presence of unfixable errors">;
372def fix_only_warnings : Flag<["-"], "fix-only-warnings">,
373  HelpText<"Apply fix-it advice only for warnings, not errors">;
374def fixit_recompile : Flag<["-"], "fixit-recompile">,
375  HelpText<"Apply fix-it changes and recompile">;
376def fixit_to_temp : Flag<["-"], "fixit-to-temporary">,
377  HelpText<"Apply fix-it changes to temporary files">;
378
379def foverride_record_layout_EQ : Joined<["-"], "foverride-record-layout=">,
380  HelpText<"Override record layouts with those in the given file">;
381  
382//===----------------------------------------------------------------------===//
383// Language Options
384//===----------------------------------------------------------------------===//
385
386def fblocks_runtime_optional : Flag<["-"], "fblocks-runtime-optional">,
387  HelpText<"Weakly link in the blocks runtime">;
388def fsjlj_exceptions : Flag<["-"], "fsjlj-exceptions">,
389  HelpText<"Use SjLj style exceptions">;
390def fhidden_weak_vtables : Flag<["-"], "fhidden-weak-vtables">,
391  HelpText<"Generate weak vtables and RTTI with hidden visibility">;
392def main_file_name : Separate<["-"], "main-file-name">,
393  HelpText<"Main file name to use for debug info">;
394def fno_signed_char : Flag<["-"], "fno-signed-char">,
395  HelpText<"Char is unsigned">;
396def fno_wchar : Flag<["-"], "fno-wchar">,
397  HelpText<"Disable C++ builtin type wchar_t">;
398def fconstant_string_class : Separate<["-"], "fconstant-string-class">,
399  MetaVarName<"<class name>">,
400  HelpText<"Specify the class to use for constant Objective-C string objects.">;
401def fobjc_arc_cxxlib_EQ : Joined<["-"], "fobjc-arc-cxxlib=">,
402  HelpText<"Objective-C++ Automatic Reference Counting standard library kind">;
403def fobjc_runtime_has_weak : Flag<["-"], "fobjc-runtime-has-weak">,
404  HelpText<"The target Objective-C runtime supports ARC weak operations">;
405def fobjc_dispatch_method_EQ : Joined<["-"], "fobjc-dispatch-method=">,
406  HelpText<"Objective-C dispatch method to use">;
407def fobjc_default_synthesize_properties : Flag<["-"], "fobjc-default-synthesize-properties">,
408  HelpText<"enable the default synthesis of Objective-C properties">;
409def fencode_extended_block_signature : Flag<["-"], "fencode-extended-block-signature">,
410  HelpText<"enable extended encoding of block type signature">;
411def pic_level : Separate<["-"], "pic-level">,
412  HelpText<"Value for __PIC__">;
413def pie_level : Separate<["-"], "pie-level">,
414  HelpText<"Value for __PIE__">;
415def fno_validate_pch : Flag<["-"], "fno-validate-pch">,
416  HelpText<"Disable validation of precompiled headers">;
417def dump_deserialized_pch_decls : Flag<["-"], "dump-deserialized-decls">,
418  HelpText<"Dump declarations that are deserialized from PCH, for testing">;
419def error_on_deserialized_pch_decl : Separate<["-"], "error-on-deserialized-decl">,
420  HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">;
421def error_on_deserialized_pch_decl_EQ : Joined<["-"], "error-on-deserialized-decl=">,
422  Alias<error_on_deserialized_pch_decl>;
423def static_define : Flag<["-"], "static-define">,
424  HelpText<"Should __STATIC__ be defined">;
425def stack_protector : Separate<["-"], "stack-protector">,
426  HelpText<"Enable stack protectors">;
427def stack_protector_buffer_size : Separate<["-"], "stack-protector-buffer-size">,
428  HelpText<"Lower bound for a buffer to be considered for stack protection">;
429def fvisibility : Separate<["-"], "fvisibility">,
430  HelpText<"Default symbol visibility">;
431def ftemplate_depth : Separate<["-"], "ftemplate-depth">,
432  HelpText<"Maximum depth of recursive template instantiation">;
433def fconstexpr_depth : Separate<["-"], "fconstexpr-depth">,
434  HelpText<"Maximum depth of recursive constexpr function calls">;
435def fconst_strings : Flag<["-"], "fconst-strings">,
436  HelpText<"Use a const qualified type for string literals in C and ObjC">;
437def fno_const_strings : Flag<["-"], "fno-const-strings">,
438  HelpText<"Don't use a const qualified type for string literals in C and ObjC">;
439def fno_bitfield_type_align : Flag<["-"], "fno-bitfield-type-align">,
440  HelpText<"Ignore bit-field types when aligning structures">;
441def ffake_address_space_map : Flag<["-"], "ffake-address-space-map">,
442  HelpText<"Use a fake address space map; OpenCL testing purposes only">;
443def funknown_anytype : Flag<["-"], "funknown-anytype">,
444  HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">;
445def fdebugger_support : Flag<["-"], "fdebugger-support">,
446  HelpText<"Enable special debugger support behavior">;
447def fdebugger_cast_result_to_id : Flag<["-"], "fdebugger-cast-result-to-id">,
448  HelpText<"Enable casting unknown expression results to id">;
449def fdebugger_objc_literal : Flag<["-"], "fdebugger-objc-literal">,
450  HelpText<"Enable special debugger support for Objective-C subscripting and literals">;
451def fdeprecated_macro : Flag<["-"], "fdeprecated-macro">,
452  HelpText<"Defines the __DEPRECATED macro">;
453def fno_deprecated_macro : Flag<["-"], "fno-deprecated-macro">,
454  HelpText<"Undefines the __DEPRECATED macro">;
455
456//===----------------------------------------------------------------------===//
457// Header Search Options
458//===----------------------------------------------------------------------===//
459
460def nostdsysteminc : Flag<["-"], "nostdsysteminc">,
461  HelpText<"Disable standard system #include directories">;
462def fmodule_name : Joined<["-"], "fmodule-name=">, 
463  MetaVarName<"<name>">,
464  HelpText<"Specify the name of the module to build">;           
465def fdisable_module_hash : Flag<["-"], "fdisable-module-hash">,
466  HelpText<"Disable the module hash">;
467def c_isystem : JoinedOrSeparate<["-"], "c-isystem">, MetaVarName<"<directory>">,
468  HelpText<"Add directory to the C SYSTEM include search path">;
469def objc_isystem : JoinedOrSeparate<["-"], "objc-isystem">,
470  MetaVarName<"<directory>">,
471  HelpText<"Add directory to the ObjC SYSTEM include search path">;
472def objcxx_isystem : JoinedOrSeparate<["-"], "objcxx-isystem">,
473  MetaVarName<"<directory>">,
474  HelpText<"Add directory to the ObjC++ SYSTEM include search path">;
475def internal_isystem : JoinedOrSeparate<["-"], "internal-isystem">,
476  MetaVarName<"<directory>">,
477  HelpText<"Add directory to the internal system include search path; these "
478           "are assumed to not be user-provided and are used to model system "
479           "and standard headers' paths.">;
480def internal_externc_isystem : JoinedOrSeparate<["-"], "internal-externc-isystem">,
481  MetaVarName<"<directory>">,
482  HelpText<"Add directory to the internal system include search path with "
483           "implicit extern \"C\" semantics; these are assumed to not be "
484           "user-provided and are used to model system and standard headers' "
485           "paths.">;
486def isystem_prefix : JoinedOrSeparate<["-"], "isystem-prefix">,
487  MetaVarName<"<prefix>">,
488  HelpText<"Treat all #include paths starting with <prefix> as including a "
489           "system header.">;
490def ino_system_prefix : JoinedOrSeparate<["-"], "ino-system-prefix">,
491  MetaVarName<"<prefix>">,
492  HelpText<"Treat all #include paths starting with <prefix> as not including a "
493           "system header.">;
494
495//===----------------------------------------------------------------------===//
496// Preprocessor Options
497//===----------------------------------------------------------------------===//
498
499def include_pth : Separate<["-"], "include-pth">, MetaVarName<"<file>">,
500  HelpText<"Include file before parsing">;
501def chain_include : Separate<["-"], "chain-include">, MetaVarName<"<file>">,
502  HelpText<"Include and chain a header file after turning it into PCH">;
503def preamble_bytes_EQ : Joined<["-"], "preamble-bytes=">,
504  HelpText<"Assume that the precompiled header is a precompiled preamble "
505           "covering the first N bytes of the main file">;
506def token_cache : Separate<["-"], "token-cache">, MetaVarName<"<path>">,
507  HelpText<"Use specified token cache file">;
508def detailed_preprocessing_record : Flag<["-"], "detailed-preprocessing-record">,
509  HelpText<"include a detailed record of preprocessing actions">;
510
511//===----------------------------------------------------------------------===//
512// OpenCL Options
513//===----------------------------------------------------------------------===//
514
515def cl_opt_disable : Flag<["-"], "cl-opt-disable">,
516  HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">;
517def cl_single_precision_constant : Flag<["-"], "cl-single-precision-constant">,
518  HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
519def cl_finite_math_only : Flag<["-"], "cl-finite-math-only">,
520  HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
521def cl_unsafe_math_optimizations : Flag<["-"], "cl-unsafe-math-optimizations">,
522  HelpText<"OpenCL only. Allow unsafe floating-point optimizations.  Also implies -cl-no-signed-zeros and -cl-mad-enable">;
523def cl_fast_relaxed_math : Flag<["-"], "cl-fast-relaxed-math">,
524  HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">;
525def cl_mad_enable : Flag<["-"], "cl-mad-enable">,
526  HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">;
527def cl_std_EQ : Joined<["-"], "cl-std=">,
528  HelpText<"OpenCL language standard to compile for">;
529
530//===----------------------------------------------------------------------===//
531// CUDA Options
532//===----------------------------------------------------------------------===//
533
534def fcuda_is_device : Flag<["-"], "fcuda-is-device">,
535  HelpText<"Generate code for CUDA device">;
536
537} // let Flags = [CC1Option]
538