CC1Options.td revision 3b315264d1a6fa303e20fe0caec306ccafc090de
1//===--- CC1Options.td - Options for clang -cc1 ---------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  This file defines the options accepted by clang -cc1.
11//
12//===----------------------------------------------------------------------===//
13
14// Include the common option parsing interfaces.
15include "OptParser.td"
16
17//===----------------------------------------------------------------------===//
18// Target Options
19//===----------------------------------------------------------------------===//
20
21def target_abi : Separate<"-target-abi">,
22  HelpText<"Target a particular ABI type">;
23def mcpu : Separate<"-mcpu">,
24  HelpText<"Target a specific cpu type ('-mcpu help' for details)">;
25def target_feature : Separate<"-target-feature">,
26  HelpText<"Target specific attributes">;
27def triple : Separate<"-triple">,
28  HelpText<"Specify target triple (e.g. i686-apple-darwin9)">;
29def triple_EQ : Joined<"-triple=">, Alias<triple>;
30
31//===----------------------------------------------------------------------===//
32// Analyzer Options
33//===----------------------------------------------------------------------===//
34
35def analysis_CFGDump : Flag<"-cfg-dump">,
36  HelpText<"Display Control-Flow Graphs">;
37def analysis_CFGView : Flag<"-cfg-view">,
38  HelpText<"View Control-Flow Graphs using GraphViz">;
39def analysis_DisplayLiveVariables : Flag<"-dump-live-variables">,
40  HelpText<"Print results of live variable analysis">;
41def analysis_SecuritySyntacticChecks : Flag<"-warn-security-syntactic">,
42  HelpText<"Perform quick security checks that require no data flow">;
43def analysis_WarnDeadStores : Flag<"-warn-dead-stores">,
44  HelpText<"Warn about stores to dead variables">;
45def analysis_WarnUninitVals : Flag<"-warn-uninit-values">,
46  HelpText<"Warn about uses of uninitialized variables">;
47def analysis_WarnObjCMethSigs : Flag<"-warn-objc-methodsigs">,
48  HelpText<"Warn about Objective-C method signatures with type incompatibilities">;
49def analysis_WarnObjCDealloc : Flag<"-warn-objc-missing-dealloc">,
50  HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">;
51def analysis_WarnObjCUnusedIvars : Flag<"-warn-objc-unused-ivars">,
52  HelpText<"Warn about private ivars that are never used">;
53def analysis_CheckerCFRef : Flag<"-checker-cfref">,
54  HelpText<"Run the [Core] Foundation reference count checker">;
55def analysis_WarnSizeofPointer : Flag<"-warn-sizeof-pointer">,
56  HelpText<"Warn about unintended use of sizeof() on pointer expressions">;
57def analysis_InlineCall : Flag<"-inline-call">,
58  HelpText<"Experimental transfer function inling callees when its definition is available.">;
59
60def analyzer_store : Separate<"-analyzer-store">,
61  HelpText<"Source Code Analysis - Abstract Memory Store Models">;
62def analyzer_store_EQ : Joined<"-analyzer-store=">, Alias<analyzer_store>;
63
64def analyzer_constraints : Separate<"-analyzer-constraints">,
65  HelpText<"Source Code Analysis - Symbolic Constraint Engines">;
66def analyzer_constraints_EQ : Joined<"-analyzer-constraints=">,
67  Alias<analyzer_constraints>;
68
69def analyzer_output : Separate<"-analyzer-output">,
70  HelpText<"Source Code Analysis - Output Options">;
71def analyzer_output_EQ : Joined<"-analyzer-output=">,
72  Alias<analyzer_output>;
73
74def analyzer_opt_analyze_headers : Flag<"-analyzer-opt-analyze-headers">,
75  HelpText<"Force the static analyzer to analyze functions defined in header files">;
76def analyzer_display_progress : Flag<"-analyzer-display-progress">,
77  HelpText<"Emit verbose output about the analyzer's progress">;
78def analyzer_experimental_checks : Flag<"-analyzer-experimental-checks">,
79  HelpText<"Use experimental path-sensitive checks">;
80def analyzer_experimental_internal_checks :
81  Flag<"-analyzer-experimental-internal-checks">,
82  HelpText<"Use new default path-sensitive checks currently in testing">;
83def analyze_function : Separate<"-analyze-function">,
84  HelpText<"Run analysis on specific function">;
85def analyze_function_EQ : Joined<"-analyze-function=">, Alias<analyze_function>;
86def analyzer_eagerly_assume : Flag<"-analyzer-eagerly-assume">,
87  HelpText<"Eagerly assume the truth/falseness of some symbolic constraints">;
88def analyzer_no_purge_dead : Flag<"-analyzer-no-purge-dead">,
89  HelpText<"Don't remove dead symbols, bindings, and constraints before processing a statement">;
90def trim_egraph : Flag<"-trim-egraph">,
91  HelpText<"Only show error-related paths in the analysis graph">;
92def analyzer_viz_egraph_graphviz : Flag<"-analyzer-viz-egraph-graphviz">,
93  HelpText<"Display exploded graph using GraphViz">;
94def analyzer_viz_egraph_ubigraph : Flag<"-analyzer-viz-egraph-ubigraph">,
95  HelpText<"Display exploded graph using Ubigraph">;
96
97//===----------------------------------------------------------------------===//
98// CodeGen Options
99//===----------------------------------------------------------------------===//
100
101def disable_llvm_optzns : Flag<"-disable-llvm-optzns">,
102  HelpText<"Don't run LLVM optimization passes">;
103def disable_red_zone : Flag<"-disable-red-zone">,
104  HelpText<"Do not emit code that uses the red zone.">;
105def g : Flag<"-g">, HelpText<"Generate source level debug information">;
106def fno_common : Flag<"-fno-common">,
107  HelpText<"Compile common globals like normal definitions">;
108def no_implicit_float : Flag<"-no-implicit-float">,
109  HelpText<"Don't generate implicit floating point instructions (x86-only)">;
110def fno_merge_all_constants : Flag<"-fno-merge-all-constants">,
111  HelpText<"Disallow merging of constants.">;
112def masm_verbose : Flag<"-masm-verbose">,
113  HelpText<"Generate verbose assembly output">;
114def mcode_model : Separate<"-mcode-model">,
115  HelpText<"The code model to use">;
116def mdebug_pass : Separate<"-mdebug-pass">,
117  HelpText<"Enable additional debug output">;
118def mdisable_fp_elim : Flag<"-mdisable-fp-elim">,
119  HelpText<"Disable frame pointer elimination optimization">;
120def mfloat_abi : Flag<"-mfloat-abi">,
121  HelpText<"The float ABI to use">;
122def mlimit_float_precision : Separate<"-mlimit-float-precision">,
123  HelpText<"Limit float precision to the given value">;
124def mno_zero_initialized_in_bss : Flag<"-mno-zero-initialized-in-bss">,
125  HelpText<"Do not put zero initialized data in the BSS">;
126def msoft_float : Separate<"-msoft-float">,
127  HelpText<"Use software floating point">;
128def mrelocation_model : Separate<"-mrelocation-model">,
129  HelpText<"The relocation model to use">;
130def munwind_tables : Flag<"-munwind-tables">,
131  HelpText<"Generate unwinding tables for all functions">;
132def O : Joined<"-O">, HelpText<"Optimization level">;
133def Os : Flag<"-Os">, HelpText<"Optimize for size">;
134
135//===----------------------------------------------------------------------===//
136// Dependency Output Options
137//===----------------------------------------------------------------------===//
138
139def dependency_file : Separate<"-dependency-file">,
140  HelpText<"Filename (or -) to write dependency output to">;
141def sys_header_deps : Flag<"-sys-header-deps">,
142  HelpText<"Include system headers in dependency output">;
143def MT : Separate<"-MT">, HelpText<"Specify target for dependency">;
144def MP : Flag<"-MP">,
145  HelpText<"Create phony target for each dependency (other than main file)">;
146
147//===----------------------------------------------------------------------===//
148// Diagnostic Options
149//===----------------------------------------------------------------------===//
150
151def dump_build_information : Separate<"-dump-build-information">,
152  MetaVarName<"filename">,
153  HelpText<"output a dump of some build information to a file">;
154def fno_show_column : Flag<"-fno-show-column">,
155  HelpText<"Do not include column number on diagnostics">;
156def fno_show_source_location : Flag<"-fno-show-source-location">,
157  HelpText<"Do not include source location information with diagnostics">;
158def fno_caret_diagnostics : Flag<"-fno-caret-diagnostics">,
159  HelpText<"Do not include source line and caret with diagnostics">;
160def fno_diagnostics_fixit_info : Flag<"-fno-diagnostics-fixit-info">,
161  HelpText<"Do not include fixit information in diagnostics">;
162def w : Flag<"-w">, HelpText<"Suppress all warnings">;
163def pedantic : Flag<"-pedantic">;
164def pedantic_errors : Flag<"-pedantic-errors">;
165
166// This gets all -W options, including -Werror, -W[no-]system-headers, etc.  The
167// driver has stripped off -Wa,foo etc.  The driver has also translated -W to
168// -Wextra, so we don't need to worry about it.
169def W : Joined<"-W">;
170
171def fdiagnostics_print_source_range_info : Flag<"-fdiagnostics-print-source-range-info">,
172  HelpText<"Print source range spans in numeric form">;
173def fdiagnostics_show_option : Flag<"-fdiagnostics-show-option">,
174  HelpText<"Print diagnostic name with mappable diagnostics">;
175def fmessage_length : Separate<"-fmessage-length">, MetaVarName<"N">,
176  HelpText<"Format message diagnostics so that they fit within N columns or fewer, when possible.">;
177def fcolor_diagnostics : Flag<"-fcolor-diagnostics">,
178  HelpText<"Use colors in diagnostics">;
179def Wno_rewrite_macros : Flag<"-Wno-rewrite-macros">,
180  HelpText<"Silence ObjC rewriting warnings">;
181def verify : Flag<"-verify">,
182  HelpText<"Verify emitted diagnostics and warnings">;
183
184//===----------------------------------------------------------------------===//
185// Frontend Options
186//===----------------------------------------------------------------------===//
187
188def code_completion_at : Separate<"-code-completion-at">,
189  MetaVarName<"file:line:column">,
190  HelpText<"Dump code-completion information at a location">;
191def code_completion_at_EQ : Joined<"-code-completion-at=">,
192  Alias<code_completion_at>;
193def no_code_completion_debug_printer : Flag<"-no-code-completion-debug-printer">,
194  HelpText<"Don't the \"debug\" code-completion print">;
195def code_completion_macros : Flag<"-code-completion-macros">,
196  HelpText<"Include macros in code-completion results">;
197def disable_free : Flag<"-disable-free">,
198  HelpText<"Disable freeing of memory on exit">;
199def empty_input_only : Flag<"-empty-input-only">,
200  HelpText<"Force running on an empty input file">;
201def x : Separate<"-x">, HelpText<"Input language type">;
202def cxx_inheritance_view : Separate<"-cxx-inheritance-view">,
203  MetaVarName<"class name">,
204  HelpText<"View C++ inheritance for a specified class">;
205def fixit_at : Separate<"-fixit-at">, MetaVarName<"source-location">,
206  HelpText<"Perform Fix-It modifications at the given source location">;
207def o : Separate<"-o">, MetaVarName<"path">, HelpText<"Specify output file">;
208def plugin : Separate<"-plugin">,
209  HelpText<"Use the named plugin action (use \"help\" to list available options)">;
210
211def Action_Group : OptionGroup<"<action group>">;
212let Group = Action_Group in {
213
214def Eonly : Flag<"-Eonly">,
215  HelpText<"Just run preprocessor, no output (for timings)">;
216def E : Flag<"-E">,
217  HelpText<"Run preprocessor, emit preprocessed file">;
218def dump_raw_tokens : Flag<"-dump-raw-tokens">,
219  HelpText<"Lex file in raw mode and dump raw tokens">;
220def analyze : Flag<"-analyze">,
221  HelpText<"Run static analysis engine">;
222def dump_tokens : Flag<"-dump-tokens">,
223  HelpText<"Run preprocessor, dump internal rep of tokens">;
224def parse_noop : Flag<"-parse-noop">,
225  HelpText<"Run parser with noop callbacks (for timings)">;
226def fsyntax_only : Flag<"-fsyntax-only">,
227  HelpText<"Run parser and perform semantic analysis">;
228def fixit : Flag<"-fixit">,
229  HelpText<"Apply fix-it advice to the input source">;
230def parse_print_callbacks : Flag<"-parse-print-callbacks">,
231  HelpText<"Run parser and print each callback invoked">;
232def emit_html : Flag<"-emit-html">,
233  HelpText<"Output input source as HTML">;
234def ast_print : Flag<"-ast-print">,
235  HelpText<"Build ASTs and then pretty-print them">;
236def ast_print_xml : Flag<"-ast-print-xml">,
237  HelpText<"Build ASTs and then print them in XML format">;
238def ast_dump : Flag<"-ast-dump">,
239  HelpText<"Build ASTs and then debug dump them">;
240def ast_view : Flag<"-ast-view">,
241  HelpText<"Build ASTs and view them with GraphViz">;
242def print_decl_contexts : Flag<"-print-decl-contexts">,
243  HelpText<"Print DeclContexts and their Decls">;
244def dump_record_layouts : Flag<"-dump-record-layouts">,
245  HelpText<"Dump record layout information">;
246def emit_pth : Flag<"-emit-pth">,
247  HelpText<"Generate pre-tokenized header file">;
248def emit_pch : Flag<"-emit-pch">,
249  HelpText<"Generate pre-compiled header file">;
250def S : Flag<"-S">,
251  HelpText<"Emit native assembly code">;
252def emit_llvm : Flag<"-emit-llvm">,
253  HelpText<"Build ASTs then convert to LLVM, emit .ll file">;
254def emit_llvm_bc : Flag<"-emit-llvm-bc">,
255  HelpText<"Build ASTs then convert to LLVM, emit .bc file">;
256def emit_llvm_only : Flag<"-emit-llvm-only">,
257  HelpText<"Build ASTs and convert to LLVM, discarding output">;
258def rewrite_test : Flag<"-rewrite-test">,
259  HelpText<"Rewriter playground">;
260def rewrite_objc : Flag<"-rewrite-objc">,
261  HelpText<"Rewrite ObjC into C (code rewriter example)">;
262def rewrite_macros : Flag<"-rewrite-macros">,
263  HelpText<"Expand macros without full preprocessing">;
264def rewrite_blocks : Flag<"-rewrite-blocks">,
265  HelpText<"Rewrite Blocks to C">;
266
267}
268
269def relocatable_pch : Flag<"-relocatable-pch">,
270  HelpText<"Whether to build a relocatable precompiled header">;
271def print_stats : Flag<"-print-stats">,
272  HelpText<"Print performance metrics and statistics">;
273def ftime_report : Flag<"-ftime-report">,
274  HelpText<"Print the amount of time each phase of compilation takes">;
275
276//===----------------------------------------------------------------------===//
277// Language Options
278//===----------------------------------------------------------------------===//
279
280def fno_builtin : Flag<"-fno-builtin">,
281  HelpText<"Disable implicit builtin knowledge of functions">;
282def faltivec : Flag<"-faltivec">,
283  HelpText<"Enable AltiVec vector initializer syntax">;
284def faccess_control : Flag<"-faccess-control">,
285  HelpText<"Enable C++ access control">;
286def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">,
287  HelpText<"Allow '$' in identifiers">;
288def femit_all_decls : Flag<"-femit-all-decls">,
289  HelpText<"Emit all declarations, even if unused">;
290def fblocks : Flag<"-fblocks">,
291  HelpText<"enable the 'blocks' language feature">;
292def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">;  
293def fexceptions : Flag<"-fexceptions">,
294  HelpText<"Enable support for exception handling">;
295def ffreestanding : Flag<"-ffreestanding">,
296  HelpText<"Assert that the compilation takes place in a freestanding environment">;
297def fgnu_runtime : Flag<"-fgnu-runtime">,
298  HelpText<"Generate output compatible with the standard GNU Objective-C runtime">;
299def std_EQ : Joined<"-std=">,
300  HelpText<"Language standard to compile for">;
301def fms_extensions : Flag<"-fms-extensions">,
302  HelpText<"Accept some non-standard constructs used in Microsoft header files ">;
303def main_file_name : Separate<"-main-file-name">,
304  HelpText<"Main file name to use for debug info">;
305def fno_elide_constructors : Flag<"-fno-elide-constructors">,
306  HelpText<"Disable C++ copy constructor elision">;
307def fno_lax_vector_conversions : Flag<"-fno-lax-vector-conversions">,
308  HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">;
309def fno_math_errno : Flag<"-fno-math-errno">,
310  HelpText<"Don't require math functions to respect errno">;
311def fno_signed_char : Flag<"-fno-signed-char">,
312  HelpText<"Char is unsigned">;
313def fno_operator_names : Flag<"-fno-operator-names">,
314  HelpText<"Do not treat C++ operator name keywords as synonyms for operators">;
315def fconstant_string_class : Separate<"-fconstant-string-class">,
316  MetaVarName<"class name">,
317  HelpText<"Specify the class to use for constant Objective-C string objects.">;
318def fobjc_gc : Flag<"-fobjc-gc">,
319  HelpText<"Enable Objective-C garbage collection">;
320def fobjc_gc_only : Flag<"-fobjc-gc-only">,
321  HelpText<"Use GC exclusively for Objective-C related memory management">;
322def print_ivar_layout : Flag<"-print-ivar-layout">,
323  HelpText<"Enable Objective-C Ivar layout bitmap print trace">;
324def fobjc_nonfragile_abi : Flag<"-fobjc-nonfragile-abi">,
325  HelpText<"enable objective-c's nonfragile abi">;
326def ftrapv : Flag<"-ftrapv">,
327  HelpText<"Trap on integer overflow">;
328def pic_level : Separate<"-pic-level">,
329  HelpText<"-Value for __PIC__">;
330def pthread : Flag<"-pthread">,
331  HelpText<"Support POSIX threads in generated code">;
332def fpascal_strings : Flag<"-fpascal-strings">,
333  HelpText<"Recognize and construct Pascal-style string literals">;
334def fno_rtti : Flag<"-fno-rtti">,
335  HelpText<"Disable generation of rtti information">;
336def fshort_wchar : Flag<"-fshort-wchar">,
337  HelpText<"Force wchar_t to be a short unsigned int">;
338def static_define : Flag<"-static-define">,
339  HelpText<"Should __STATIC__ be defined">;
340def stack_protector : Separate<"-stack-protector">,
341  HelpText<"Enable stack protectors">;
342def fvisibility : Separate<"-fvisibility">,
343  HelpText<"Default symbol visibility">;
344def ftemplate_depth : Separate<"-ftemplate-depth">,
345  HelpText<"Maximum depth of recursive template instantiation">;
346def trigraphs : Flag<"-trigraphs">,
347  HelpText<"Process trigraph sequences">;
348def fwritable_strings : Flag<"-fwritable-strings">,
349  HelpText<"Store string literals as writable data">;
350
351//===----------------------------------------------------------------------===//
352// Header Search Options
353//===----------------------------------------------------------------------===//
354
355def nostdinc : Flag<"-nostdinc">,
356  HelpText<"Disable standard #include directories">;
357def nobuiltininc : Flag<"-nobuiltininc">,
358  HelpText<"Disable builtin #include directories">;
359def F : JoinedOrSeparate<"-F">, MetaVarName<"directory">,
360  HelpText<"Add directory to framework include search path">;
361def I : JoinedOrSeparate<"-I">, MetaVarName<"directory">,
362  HelpText<"Add directory to include search path">;
363def idirafter : Separate<"-idirafter">, MetaVarName<"directory">,
364  HelpText<"Add directory to AFTER include search path">;
365def iquote : Separate<"-iquote">, MetaVarName<"directory">,
366  HelpText<"Add directory to QUOTE include search path">;
367def isystem : Separate<"-isystem">, MetaVarName<"directory">,
368  HelpText<"Add directory to SYSTEM include search path">;
369def iprefix : Separate<"-iprefix">, MetaVarName<"prefix">,
370  HelpText<"Set the -iwithprefix/-iwithprefixbefore prefix">;
371def iwithprefix : Separate<"-iwithprefix">, MetaVarName<"dir">,
372  HelpText<"Set directory to SYSTEM include search path with prefix">;
373def iwithprefixbefore : Separate<"-iwithprefixbefore">, MetaVarName<"dir">,
374  HelpText<"Set directory to include search path with prefix">;
375def isysroot : Separate<"-isysroot">, MetaVarName<"dir">,
376  HelpText<"Set the system root directory (usually /)">;
377def v : Flag<"-v">, HelpText<"Enable verbose output">;
378
379//===----------------------------------------------------------------------===//
380// Preprocessor Options
381//===----------------------------------------------------------------------===//
382
383def D : JoinedOrSeparate<"-D">, MetaVarName<"macro">,
384  HelpText<"Predefine the specified macro">;
385def include_ : Separate<"-include">, MetaVarName<"file">, EnumName<"include">,
386  HelpText<"Include file before parsing">;
387def imacros : Separate<"-imacros">, MetaVarName<"file">,
388  HelpText<"Include macros from file before parsing">;
389def include_pch : Separate<"-include-pch">, MetaVarName<"file">,
390  HelpText<"Include precompiled header file">;
391def include_pth : Separate<"-include-pth">, MetaVarName<"file">,
392  HelpText<"Include file before parsing">;
393def token_cache : Separate<"-token-cache">, MetaVarName<"path">,
394  HelpText<"Use specified token cache file">;
395def U : JoinedOrSeparate<"-U">, MetaVarName<"macro">,
396  HelpText<"Undefine the specified macro">;
397def undef : Flag<"-undef">, MetaVarName<"macro">,
398  HelpText<"undef all system defines">;
399
400//===----------------------------------------------------------------------===//
401// Preprocessed Output Options
402//===----------------------------------------------------------------------===//
403
404def P : Flag<"-P">,
405  HelpText<"Disable linemarker output in -E mode">;
406def C : Flag<"-C">,
407  HelpText<"Enable comment output in -E mode">;
408def CC : Flag<"-CC">,
409  HelpText<"Enable comment output in -E mode, even from macro expansions">;
410def dM : Flag<"-dM">,
411  HelpText<"Print macro definitions in -E mode instead of normal output">;
412def dD : Flag<"-dD">,
413  HelpText<"Print macro definitions in -E mode in addition to normal output">;
414