CC1Options.td revision b3574796d7cc0113e54b6516fc16e17ca09459fb
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_inlining_mode : Separate<["-"], "analyzer-inlining-mode">,
85  HelpText<"Specify the function selection heuristic used during inlining">;
86def analyzer_inlining_mode_EQ : Joined<["-"], "analyzer-inlining-mode=">, Alias<analyzer_inlining_mode>;
87
88def analyzer_disable_retry_exhausted : Flag<["-"], "analyzer-disable-retry-exhausted">,
89  HelpText<"Do not re-analyze paths leading to exhausted nodes with a different strategy (may decrease code coverage)">;
90  
91def analyzer_max_loop : Separate<["-"], "analyzer-max-loop">,
92  HelpText<"The maximum number of times the analyzer will go through a loop">;
93def analyzer_stats : Flag<["-"], "analyzer-stats">,
94  HelpText<"Print internal analyzer statistics.">;
95
96def analyzer_checker : Separate<["-"], "analyzer-checker">,
97  HelpText<"Choose analyzer checkers to enable">;
98def analyzer_checker_EQ : Joined<["-"], "analyzer-checker=">,
99  Alias<analyzer_checker>;
100
101def analyzer_disable_checker : Separate<["-"], "analyzer-disable-checker">,
102  HelpText<"Choose analyzer checkers to disable">;
103def analyzer_disable_checker_EQ : Joined<["-"], "analyzer-disable-checker=">,
104  Alias<analyzer_disable_checker>;
105
106def analyzer_checker_help : Flag<["-"], "analyzer-checker-help">,
107  HelpText<"Display the list of analyzer checkers that are available">;
108
109def analyzer_config : Separate<["-"], "analyzer-config">,
110  HelpText<"Choose analyzer options to enable">;
111
112//===----------------------------------------------------------------------===//
113// Migrator Options
114//===----------------------------------------------------------------------===//
115def migrator_no_nsalloc_error : Flag<["-"], "no-ns-alloc-error">,
116  HelpText<"Do not error on use of NSAllocateCollectable/NSReallocateCollectable">;
117
118def migrator_no_finalize_removal : Flag<["-"], "no-finalize-removal">,
119  HelpText<"Do not remove finalize method in gc mode">;
120
121//===----------------------------------------------------------------------===//
122// CodeGen Options
123//===----------------------------------------------------------------------===//
124
125def disable_llvm_optzns : Flag<["-"], "disable-llvm-optzns">,
126  HelpText<"Don't run LLVM optimization passes">;
127def disable_llvm_verifier : Flag<["-"], "disable-llvm-verifier">,
128  HelpText<"Don't run the LLVM IR verifier pass">;
129def disable_red_zone : Flag<["-"], "disable-red-zone">,
130  HelpText<"Do not emit code that uses the red zone.">;
131def fdebug_compilation_dir : Separate<["-"], "fdebug-compilation-dir">,
132  HelpText<"The compilation directory to embed in the debug info.">;
133def dwarf_debug_flags : Separate<["-"], "dwarf-debug-flags">,
134  HelpText<"The string to embed in the Dwarf debug flags record.">;
135def dwarf_column_info : Flag<["-"], "dwarf-column-info">,
136  HelpText<"Turn on column location information.">;
137def split_dwarf : Flag<["-"], "split-dwarf">,
138  HelpText<"Split out the dwarf .dwo sections">;
139def fforbid_guard_variables : Flag<["-"], "fforbid-guard-variables">,
140  HelpText<"Emit an error if a C++ static local initializer would need a guard variable">;
141def no_implicit_float : Flag<["-"], "no-implicit-float">,
142  HelpText<"Don't generate implicit floating point instructions">;
143def fdump_vtable_layouts : Flag<["-"], "fdump-vtable-layouts">,
144  HelpText<"Dump the layouts of all vtables that will be emitted in a translation unit">;
145def femit_coverage_notes : Flag<["-"], "femit-coverage-notes">,
146  HelpText<"Emit a gcov coverage notes file when compiling.">;
147def femit_coverage_data: Flag<["-"], "femit-coverage-data">,
148  HelpText<"Instrument the program to emit gcov coverage data when run.">;
149def coverage_file : Separate<["-"], "coverage-file">,
150  HelpText<"Emit coverage data to this filename. The extension will be replaced.">;
151def coverage_file_EQ : Joined<["-"], "coverage-file=">, Alias<coverage_file>;
152def coverage_cfg_checksum : Flag<["-"], "coverage-cfg-checksum">,
153  HelpText<"Emit CFG checksum for functions in .gcno files.">;
154def coverage_no_function_names_in_data : Flag<["-"], "coverage-no-function-names-in-data">,
155  HelpText<"Emit function names in .gcda files.">;
156def coverage_version_EQ : Joined<["-"], "coverage-version=">,
157  HelpText<"Four-byte version string for gcov files.">;
158def test_coverage : Flag<["-"], "test-coverage">,
159  HelpText<"Do not generate coverage files or remove coverage changes from IR">;
160def fuse_register_sized_bitfield_access: Flag<["-"], "fuse-register-sized-bitfield-access">,
161  HelpText<"Use register sized accesses to bit-fields, when possible.">;
162def relaxed_aliasing : Flag<["-"], "relaxed-aliasing">,
163  HelpText<"Turn off Type Based Alias Analysis">;
164def struct_path_tbaa : Flag<["-"], "struct-path-tbaa">,
165  HelpText<"Turn on struct-path aware Type Based Alias Analysis">;
166def masm_verbose : Flag<["-"], "masm-verbose">,
167  HelpText<"Generate verbose assembly output">;
168def mcode_model : Separate<["-"], "mcode-model">,
169  HelpText<"The code model to use">;
170def mdebug_pass : Separate<["-"], "mdebug-pass">,
171  HelpText<"Enable additional debug output">;
172def mdisable_fp_elim : Flag<["-"], "mdisable-fp-elim">,
173  HelpText<"Disable frame pointer elimination optimization">;
174def mdisable_tail_calls : Flag<["-"], "mdisable-tail-calls">,
175  HelpText<"Disable tail call optimization, keeping the call stack accurate">;
176def menable_no_infinities : Flag<["-"], "menable-no-infs">,
177  HelpText<"Allow optimization to assume there are no infinities.">;
178def menable_no_nans : Flag<["-"], "menable-no-nans">,
179  HelpText<"Allow optimization to assume there are no NaNs.">;
180def menable_unsafe_fp_math : Flag<["-"], "menable-unsafe-fp-math">,
181  HelpText<"Allow unsafe floating-point math optimizations which may decrease "
182           "precision">;
183def mfloat_abi : Separate<["-"], "mfloat-abi">,
184  HelpText<"The float ABI to use">;
185def mlimit_float_precision : Separate<["-"], "mlimit-float-precision">,
186  HelpText<"Limit float precision to the given value">;
187def mno_exec_stack : Flag<["-"], "mnoexecstack">,
188  HelpText<"Mark the file as not needing an executable stack">;
189def split_stacks : Flag<["-"], "split-stacks">,
190  HelpText<"Try to use a split stack if possible.">;
191def mno_zero_initialized_in_bss : Flag<["-"], "mno-zero-initialized-in-bss">,
192  HelpText<"Do not put zero initialized data in the BSS">;
193def backend_option : Separate<["-"], "backend-option">,
194  HelpText<"Additional arguments to forward to LLVM backend (during code gen)">;
195def mregparm : Separate<["-"], "mregparm">,
196  HelpText<"Limit the number of registers available for integer arguments">;
197def msave_temp_labels : Flag<["-"], "msave-temp-labels">,
198  HelpText<"(integrated-as) Save temporary labels">;
199def mrelocation_model : Separate<["-"], "mrelocation-model">,
200  HelpText<"The relocation model to use">;
201def munwind_tables : Flag<["-"], "munwind-tables">,
202  HelpText<"Generate unwinding tables for all functions">;
203def mconstructor_aliases : Flag<["-"], "mconstructor-aliases">,
204  HelpText<"Emit complete constructors and destructors as aliases when possible">;
205def mlink_bitcode_file : Separate<["-"], "mlink-bitcode-file">,
206  HelpText<"Link the given bitcode file before performing optimizations.">;
207def vectorize_loops : Flag<["-"], "vectorize-loops">,
208  HelpText<"Run the Loop vectorization passes">;
209def vectorize_slp : Flag<["-"], "vectorize-slp">,
210  HelpText<"Run the SLP vectorization passes">;
211def vectorize_slp_aggressive : Flag<["-"], "vectorize-slp-aggressive">,
212  HelpText<"Run the BB vectorization passes">;
213def dependent_lib : Joined<["--"], "dependent-lib=">,
214  HelpText<"Add dependent library">;
215
216//===----------------------------------------------------------------------===//
217// Dependency Output Options
218//===----------------------------------------------------------------------===//
219
220def sys_header_deps : Flag<["-"], "sys-header-deps">,
221  HelpText<"Include system headers in dependency output">;
222def header_include_file : Separate<["-"], "header-include-file">,
223  HelpText<"Filename (or -) to write header include output to">;
224
225//===----------------------------------------------------------------------===//
226// Diagnostic Options
227//===----------------------------------------------------------------------===//
228
229def diagnostic_log_file : Separate<["-"], "diagnostic-log-file">,
230  HelpText<"Filename (or -) to log diagnostics to">;
231def diagnostic_serialized_file : Separate<["-"], "serialize-diagnostic-file">,
232  MetaVarName<"<filename>">,
233  HelpText<"File for serializing diagnostics in a binary format">;
234
235def fdiagnostics_format : Separate<["-"], "fdiagnostics-format">,
236  HelpText<"Change diagnostic formatting to match IDE and command line tools">;
237def fdiagnostics_show_category : Separate<["-"], "fdiagnostics-show-category">,
238  HelpText<"Print diagnostic category">;
239def fno_diagnostics_use_presumed_location : Flag<["-"], "fno-diagnostics-use-presumed-location">,
240  HelpText<"Ignore #line directives when displaying diagnostic locations">;
241def ftabstop : Separate<["-"], "ftabstop">, MetaVarName<"<N>">,
242  HelpText<"Set the tab stop distance.">;
243def ferror_limit : Separate<["-"], "ferror-limit">, MetaVarName<"<N>">,
244  HelpText<"Set the maximum number of errors to emit before stopping (0 = no limit).">;
245def fmacro_backtrace_limit : Separate<["-"], "fmacro-backtrace-limit">, MetaVarName<"<N>">,
246  HelpText<"Set the maximum number of entries to print in a macro expansion backtrace (0 = no limit).">;
247def ftemplate_backtrace_limit : Separate<["-"], "ftemplate-backtrace-limit">, MetaVarName<"<N>">,
248  HelpText<"Set the maximum number of entries to print in a template instantiation backtrace (0 = no limit).">;
249def fconstexpr_backtrace_limit : Separate<["-"], "fconstexpr-backtrace-limit">, MetaVarName<"<N>">,
250  HelpText<"Set the maximum number of entries to print in a constexpr evaluation backtrace (0 = no limit).">;
251def fmessage_length : Separate<["-"], "fmessage-length">, MetaVarName<"<N>">,
252  HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
253def Wno_rewrite_macros : Flag<["-"], "Wno-rewrite-macros">,
254  HelpText<"Silence ObjC rewriting warnings">;
255
256//===----------------------------------------------------------------------===//
257// Frontend Options
258//===----------------------------------------------------------------------===//
259
260// This isn't normally used, it is just here so we can parse a
261// CompilerInvocation out of a driver-derived argument vector.
262def cc1 : Flag<["-"], "cc1">;
263
264def ast_merge : Separate<["-"], "ast-merge">,
265  MetaVarName<"<ast file>">,
266  HelpText<"Merge the given AST file into the translation unit being compiled.">;
267def code_completion_at : Separate<["-"], "code-completion-at">,
268  MetaVarName<"<file>:<line>:<column>">,
269  HelpText<"Dump code-completion information at a location">;
270def remap_file : Separate<["-"], "remap-file">,
271  MetaVarName<"<from>;<to>">,
272  HelpText<"Replace the contents of the <from> file with the contents of the <to> file">;
273def code_completion_at_EQ : Joined<["-"], "code-completion-at=">,
274  Alias<code_completion_at>;
275def code_completion_macros : Flag<["-"], "code-completion-macros">,
276  HelpText<"Include macros in code-completion results">;
277def code_completion_patterns : Flag<["-"], "code-completion-patterns">,
278  HelpText<"Include code patterns in code-completion results">;
279def no_code_completion_globals : Flag<["-"], "no-code-completion-globals">,
280  HelpText<"Do not include global declarations in code-completion results.">;
281def code_completion_brief_comments : Flag<["-"], "code-completion-brief-comments">,
282  HelpText<"Include brief documentation comments in code-completion results.">;
283def disable_free : Flag<["-"], "disable-free">,
284  HelpText<"Disable freeing of memory on exit">;
285def load : Separate<["-"], "load">, MetaVarName<"<dsopath>">,
286  HelpText<"Load the named plugin (dynamic shared object)">;
287def plugin : Separate<["-"], "plugin">, MetaVarName<"<name>">,
288  HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">;
289def plugin_arg : JoinedAndSeparate<["-"], "plugin-arg-">,
290    MetaVarName<"<name> <arg>">,
291    HelpText<"Pass <arg> to plugin <name>">;
292def add_plugin : Separate<["-"], "add-plugin">, MetaVarName<"<name>">,
293  HelpText<"Use the named plugin action in addition to the default action">;
294def version : Flag<["-"], "version">,
295  HelpText<"Print the compiler version">;
296def ast_dump_filter : Separate<["-"], "ast-dump-filter">,
297  MetaVarName<"<dump_filter>">,
298  HelpText<"Use with -ast-dump or -ast-print to dump/print only AST declaration"
299           " nodes having a certain substring in a qualified name. Use"
300           " -ast-list to list all filterable declaration node names.">;
301def ast_dump_lookups : Flag<["-"], "ast-dump-lookups">,
302  HelpText<"Include name lookup table dumps in AST dumps">;
303def fno_modules_global_index : Flag<["-"], "fno-modules-global-index">,
304  HelpText<"Do not automatically generate or update the global module index">;
305
306let Group = Action_Group in {
307
308def Eonly : Flag<["-"], "Eonly">,
309  HelpText<"Just run preprocessor, no output (for timings)">;
310def dump_raw_tokens : Flag<["-"], "dump-raw-tokens">,
311  HelpText<"Lex file in raw mode and dump raw tokens">;
312def analyze : Flag<["-"], "analyze">,
313  HelpText<"Run static analysis engine">;
314def dump_tokens : Flag<["-"], "dump-tokens">,
315  HelpText<"Run preprocessor, dump internal rep of tokens">;
316def init_only : Flag<["-"], "init-only">,
317  HelpText<"Only execute frontend initialization">;
318def fixit : Flag<["-"], "fixit">,
319  HelpText<"Apply fix-it advice to the input source">;
320def fixit_EQ : Joined<["-"], "fixit=">,
321  HelpText<"Apply fix-it advice creating a file with the given suffix">;
322def print_preamble : Flag<["-"], "print-preamble">,
323  HelpText<"Print the \"preamble\" of a file, which is a candidate for implicit"
324           " precompiled headers.">;
325def emit_html : Flag<["-"], "emit-html">,
326  HelpText<"Output input source as HTML">;
327def ast_print : Flag<["-"], "ast-print">,
328  HelpText<"Build ASTs and then pretty-print them">;
329def ast_list : Flag<["-"], "ast-list">,
330  HelpText<"Build ASTs and print the list of declaration node qualified names">;
331def ast_dump : Flag<["-"], "ast-dump">,
332  HelpText<"Build ASTs and then debug dump them">;
333def ast_dump_xml : Flag<["-"], "ast-dump-xml">,
334  HelpText<"Build ASTs and then debug dump them in a verbose XML format">;
335def ast_view : Flag<["-"], "ast-view">,
336  HelpText<"Build ASTs and view them with GraphViz">;
337def print_decl_contexts : Flag<["-"], "print-decl-contexts">,
338  HelpText<"Print DeclContexts and their Decls">;
339def emit_module : Flag<["-"], "emit-module">,
340  HelpText<"Generate pre-compiled module file from a module map">;
341def emit_pth : Flag<["-"], "emit-pth">,
342  HelpText<"Generate pre-tokenized header file">;
343def emit_pch : Flag<["-"], "emit-pch">,
344  HelpText<"Generate pre-compiled header file">;
345def emit_llvm_bc : Flag<["-"], "emit-llvm-bc">,
346  HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
347def emit_llvm_only : Flag<["-"], "emit-llvm-only">,
348  HelpText<"Build ASTs and convert to LLVM, discarding output">;
349def emit_codegen_only : Flag<["-"], "emit-codegen-only">,
350  HelpText<"Generate machine code, but discard output">;
351def emit_obj : Flag<["-"], "emit-obj">,
352  HelpText<"Emit native object files">;
353def rewrite_test : Flag<["-"], "rewrite-test">,
354  HelpText<"Rewriter playground">;
355def rewrite_macros : Flag<["-"], "rewrite-macros">,
356  HelpText<"Expand macros without full preprocessing">;
357def migrate : Flag<["-"], "migrate">,
358  HelpText<"Migrate source code">;
359}
360
361def mt_migrate_directory : Separate<["-"], "mt-migrate-directory">,
362  HelpText<"Directory for temporary files produced during ARC or ObjC migration">;
363def arcmt_check : Flag<["-"], "arcmt-check">,
364  HelpText<"Check for ARC migration issues that need manual handling">;
365def arcmt_modify : Flag<["-"], "arcmt-modify">,
366  HelpText<"Apply modifications to files to conform to ARC">;
367def arcmt_migrate : Flag<["-"], "arcmt-migrate">,
368  HelpText<"Apply modifications and produces temporary files that conform to ARC">;
369
370def relocatable_pch : Flag<["-", "--"], "relocatable-pch">,
371  HelpText<"Whether to build a relocatable precompiled header">;
372def print_stats : Flag<["-"], "print-stats">,
373  HelpText<"Print performance metrics and statistics">;
374def fdump_record_layouts : Flag<["-"], "fdump-record-layouts">,
375  HelpText<"Dump record layout information">;
376def fdump_record_layouts_simple : Flag<["-"], "fdump-record-layouts-simple">,
377  HelpText<"Dump record layout information in a simple form used for testing">;
378def fix_what_you_can : Flag<["-"], "fix-what-you-can">,
379  HelpText<"Apply fix-it advice even in the presence of unfixable errors">;
380def fix_only_warnings : Flag<["-"], "fix-only-warnings">,
381  HelpText<"Apply fix-it advice only for warnings, not errors">;
382def fixit_recompile : Flag<["-"], "fixit-recompile">,
383  HelpText<"Apply fix-it changes and recompile">;
384def fixit_to_temp : Flag<["-"], "fixit-to-temporary">,
385  HelpText<"Apply fix-it changes to temporary files">;
386
387def foverride_record_layout_EQ : Joined<["-"], "foverride-record-layout=">,
388  HelpText<"Override record layouts with those in the given file">;
389  
390//===----------------------------------------------------------------------===//
391// Language Options
392//===----------------------------------------------------------------------===//
393
394def fblocks_runtime_optional : Flag<["-"], "fblocks-runtime-optional">,
395  HelpText<"Weakly link in the blocks runtime">;
396def fsjlj_exceptions : Flag<["-"], "fsjlj-exceptions">,
397  HelpText<"Use SjLj style exceptions">;
398def fhidden_weak_vtables : Flag<["-"], "fhidden-weak-vtables">,
399  HelpText<"Generate weak vtables and RTTI with hidden visibility">;
400def main_file_name : Separate<["-"], "main-file-name">,
401  HelpText<"Main file name to use for debug info">;
402def split_dwarf_file : Separate<["-"], "split-dwarf-file">,
403  HelpText<"File name to use for split dwarf debug info output">;
404def fno_signed_char : Flag<["-"], "fno-signed-char">,
405  HelpText<"Char is unsigned">;
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 fobjc_default_synthesize_properties : Flag<["-"], "fobjc-default-synthesize-properties">,
418  HelpText<"enable 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 funknown_anytype : Flag<["-"], "funknown-anytype">,
460  HelpText<"Enable parser support for the __unknown_anytype type; for testing purposes only">;
461def fdebugger_support : Flag<["-"], "fdebugger-support">,
462  HelpText<"Enable special debugger support behavior">;
463def fdebugger_cast_result_to_id : Flag<["-"], "fdebugger-cast-result-to-id">,
464  HelpText<"Enable casting unknown expression results to id">;
465def fdebugger_objc_literal : Flag<["-"], "fdebugger-objc-literal">,
466  HelpText<"Enable special debugger support for Objective-C subscripting and literals">;
467def fdeprecated_macro : Flag<["-"], "fdeprecated-macro">,
468  HelpText<"Defines the __DEPRECATED macro">;
469def fno_deprecated_macro : Flag<["-"], "fno-deprecated-macro">,
470  HelpText<"Undefines the __DEPRECATED macro">;
471
472//===----------------------------------------------------------------------===//
473// Header Search Options
474//===----------------------------------------------------------------------===//
475
476def nostdsysteminc : Flag<["-"], "nostdsysteminc">,
477  HelpText<"Disable standard system #include directories">;
478def fmodule_name : Joined<["-"], "fmodule-name=">, 
479  MetaVarName<"<name>">,
480  HelpText<"Specify the name of the module to build">;           
481def fdisable_module_hash : Flag<["-"], "fdisable-module-hash">,
482  HelpText<"Disable the module hash">;
483def c_isystem : JoinedOrSeparate<["-"], "c-isystem">, MetaVarName<"<directory>">,
484  HelpText<"Add directory to the C SYSTEM include search path">;
485def objc_isystem : JoinedOrSeparate<["-"], "objc-isystem">,
486  MetaVarName<"<directory>">,
487  HelpText<"Add directory to the ObjC SYSTEM include search path">;
488def objcxx_isystem : JoinedOrSeparate<["-"], "objcxx-isystem">,
489  MetaVarName<"<directory>">,
490  HelpText<"Add directory to the ObjC++ SYSTEM include search path">;
491def internal_isystem : JoinedOrSeparate<["-"], "internal-isystem">,
492  MetaVarName<"<directory>">,
493  HelpText<"Add directory to the internal system include search path; these "
494           "are assumed to not be user-provided and are used to model system "
495           "and standard headers' paths.">;
496def internal_externc_isystem : JoinedOrSeparate<["-"], "internal-externc-isystem">,
497  MetaVarName<"<directory>">,
498  HelpText<"Add directory to the internal system include search path with "
499           "implicit extern \"C\" semantics; these are assumed to not be "
500           "user-provided and are used to model system and standard headers' "
501           "paths.">;
502def isystem_prefix : JoinedOrSeparate<["-"], "isystem-prefix">,
503  MetaVarName<"<prefix>">,
504  HelpText<"Treat all #include paths starting with <prefix> as including a "
505           "system header.">;
506def ino_system_prefix : JoinedOrSeparate<["-"], "ino-system-prefix">,
507  MetaVarName<"<prefix>">,
508  HelpText<"Treat all #include paths starting with <prefix> as not including a "
509           "system header.">;
510
511//===----------------------------------------------------------------------===//
512// Preprocessor Options
513//===----------------------------------------------------------------------===//
514
515def include_pth : Separate<["-"], "include-pth">, MetaVarName<"<file>">,
516  HelpText<"Include file before parsing">;
517def chain_include : Separate<["-"], "chain-include">, MetaVarName<"<file>">,
518  HelpText<"Include and chain a header file after turning it into PCH">;
519def preamble_bytes_EQ : Joined<["-"], "preamble-bytes=">,
520  HelpText<"Assume that the precompiled header is a precompiled preamble "
521           "covering the first N bytes of the main file">;
522def token_cache : Separate<["-"], "token-cache">, MetaVarName<"<path>">,
523  HelpText<"Use specified token cache file">;
524def detailed_preprocessing_record : Flag<["-"], "detailed-preprocessing-record">,
525  HelpText<"include a detailed record of preprocessing actions">;
526
527//===----------------------------------------------------------------------===//
528// OpenCL Options
529//===----------------------------------------------------------------------===//
530
531def cl_opt_disable : Flag<["-"], "cl-opt-disable">,
532  HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">;
533def cl_single_precision_constant : Flag<["-"], "cl-single-precision-constant">,
534  HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
535def cl_finite_math_only : Flag<["-"], "cl-finite-math-only">,
536  HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
537def cl_unsafe_math_optimizations : Flag<["-"], "cl-unsafe-math-optimizations">,
538  HelpText<"OpenCL only. Allow unsafe floating-point optimizations.  Also implies -cl-no-signed-zeros and -cl-mad-enable">;
539def cl_fast_relaxed_math : Flag<["-"], "cl-fast-relaxed-math">,
540  HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">;
541def cl_mad_enable : Flag<["-"], "cl-mad-enable">,
542  HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">;
543def cl_std_EQ : Joined<["-"], "cl-std=">,
544  HelpText<"OpenCL language standard to compile for">;
545
546//===----------------------------------------------------------------------===//
547// CUDA Options
548//===----------------------------------------------------------------------===//
549
550def fcuda_is_device : Flag<["-"], "fcuda-is-device">,
551  HelpText<"Generate code for CUDA device">;
552
553} // let Flags = [CC1Option]
554