1 //===--- CompilerInvocation.cpp -------------------------------------------===//
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 #include "clang/Frontend/CompilerInvocation.h"
11 #include "clang/Basic/Diagnostic.h"
12 #include "clang/Basic/Version.h"
13 #include "clang/Basic/FileManager.h"
14 #include "clang/Driver/Arg.h"
15 #include "clang/Driver/ArgList.h"
16 #include "clang/Driver/CC1Options.h"
17 #include "clang/Driver/DriverDiagnostic.h"
18 #include "clang/Driver/OptTable.h"
19 #include "clang/Driver/Option.h"
20 #include "clang/Frontend/CompilerInvocation.h"
21 #include "clang/Frontend/LangStandard.h"
22 #include "clang/Serialization/ASTReader.h"
23 #include "llvm/ADT/OwningPtr.h"
24 #include "llvm/ADT/SmallVector.h"
25 #include "llvm/ADT/StringExtras.h"
26 #include "llvm/ADT/StringSwitch.h"
27 #include "llvm/ADT/Triple.h"
28 #include "llvm/Support/ErrorHandling.h"
29 #include "llvm/Support/Host.h"
30 #include "llvm/Support/Path.h"
31 using namespace clang;
32
getAnalysisStoreName(AnalysisStores Kind)33 static const char *getAnalysisStoreName(AnalysisStores Kind) {
34 switch (Kind) {
35 default:
36 llvm_unreachable("Unknown analysis store!");
37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
38 case NAME##Model: return CMDFLAG;
39 #include "clang/Frontend/Analyses.def"
40 }
41 }
42
getAnalysisConstraintName(AnalysisConstraints Kind)43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) {
44 switch (Kind) {
45 default:
46 llvm_unreachable("Unknown analysis constraints!");
47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
48 case NAME##Model: return CMDFLAG;
49 #include "clang/Frontend/Analyses.def"
50 }
51 }
52
getAnalysisDiagClientName(AnalysisDiagClients Kind)53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) {
54 switch (Kind) {
55 default:
56 llvm_unreachable("Unknown analysis client!");
57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \
58 case PD_##NAME: return CMDFLAG;
59 #include "clang/Frontend/Analyses.def"
60 }
61 }
62
63 //===----------------------------------------------------------------------===//
64 // Serialization (to args)
65 //===----------------------------------------------------------------------===//
66
AnalyzerOptsToArgs(const AnalyzerOptions & Opts,std::vector<std::string> & Res)67 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts,
68 std::vector<std::string> &Res) {
69 if (Opts.ShowCheckerHelp)
70 Res.push_back("-analyzer-checker-help");
71 if (Opts.AnalysisStoreOpt != BasicStoreModel) {
72 Res.push_back("-analyzer-store");
73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt));
74 }
75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) {
76 Res.push_back("-analyzer-constraints");
77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt));
78 }
79 if (Opts.AnalysisDiagOpt != PD_HTML) {
80 Res.push_back("-analyzer-output");
81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt));
82 }
83 if (!Opts.AnalyzeSpecificFunction.empty()) {
84 Res.push_back("-analyze-function");
85 Res.push_back(Opts.AnalyzeSpecificFunction);
86 }
87 if (Opts.AnalyzeAll)
88 Res.push_back("-analyzer-opt-analyze-headers");
89 if (Opts.AnalyzerDisplayProgress)
90 Res.push_back("-analyzer-display-progress");
91 if (Opts.AnalyzeNestedBlocks)
92 Res.push_back("-analyzer-opt-analyze-nested-blocks");
93 if (Opts.EagerlyAssume)
94 Res.push_back("-analyzer-eagerly-assume");
95 if (!Opts.PurgeDead)
96 Res.push_back("-analyzer-no-purge-dead");
97 if (Opts.TrimGraph)
98 Res.push_back("-trim-egraph");
99 if (Opts.VisualizeEGDot)
100 Res.push_back("-analyzer-viz-egraph-graphviz");
101 if (Opts.VisualizeEGUbi)
102 Res.push_back("-analyzer-viz-egraph-ubigraph");
103
104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) {
105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i];
106 if (opt.second)
107 Res.push_back("-analyzer-disable-checker");
108 else
109 Res.push_back("-analyzer-checker");
110 Res.push_back(opt.first);
111 }
112 }
113
CodeGenOptsToArgs(const CodeGenOptions & Opts,std::vector<std::string> & Res)114 static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
115 std::vector<std::string> &Res) {
116 if (Opts.DebugInfo)
117 Res.push_back("-g");
118 if (Opts.DisableLLVMOpts)
119 Res.push_back("-disable-llvm-optzns");
120 if (Opts.DisableRedZone)
121 Res.push_back("-disable-red-zone");
122 if (!Opts.DwarfDebugFlags.empty()) {
123 Res.push_back("-dwarf-debug-flags");
124 Res.push_back(Opts.DwarfDebugFlags);
125 }
126 if (Opts.ObjCRuntimeHasARC)
127 Res.push_back("-fobjc-runtime-has-arc");
128 if (Opts.ObjCRuntimeHasTerminate)
129 Res.push_back("-fobjc-runtime-has-terminate");
130 if (Opts.EmitGcovArcs)
131 Res.push_back("-femit-coverage-data");
132 if (Opts.EmitGcovNotes)
133 Res.push_back("-femit-coverage-notes");
134 if (!Opts.MergeAllConstants)
135 Res.push_back("-fno-merge-all-constants");
136 if (Opts.NoCommon)
137 Res.push_back("-fno-common");
138 if (Opts.ForbidGuardVariables)
139 Res.push_back("-fforbid-guard-variables");
140 if (Opts.UseRegisterSizedBitfieldAccess)
141 Res.push_back("-fuse-register-sized-bitfield-access");
142 if (Opts.NoImplicitFloat)
143 Res.push_back("-no-implicit-float");
144 if (Opts.OmitLeafFramePointer)
145 Res.push_back("-momit-leaf-frame-pointer");
146 if (Opts.OptimizeSize) {
147 assert(Opts.OptimizationLevel == 2 && "Invalid options!");
148 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz");
149 } else if (Opts.OptimizationLevel != 0)
150 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel));
151 if (!Opts.MainFileName.empty()) {
152 Res.push_back("-main-file-name");
153 Res.push_back(Opts.MainFileName);
154 }
155 // SimplifyLibCalls is only derived.
156 // TimePasses is only derived.
157 // UnitAtATime is unused.
158 // Inlining is only derived.
159
160 // UnrollLoops is derived, but also accepts an option, no
161 // harm in pushing it back here.
162 if (Opts.UnrollLoops)
163 Res.push_back("-funroll-loops");
164 if (Opts.DataSections)
165 Res.push_back("-fdata-sections");
166 if (Opts.FunctionSections)
167 Res.push_back("-ffunction-sections");
168 if (Opts.AsmVerbose)
169 Res.push_back("-masm-verbose");
170 if (!Opts.CodeModel.empty()) {
171 Res.push_back("-mcode-model");
172 Res.push_back(Opts.CodeModel);
173 }
174 if (!Opts.CXAAtExit)
175 Res.push_back("-fno-use-cxa-atexit");
176 if (Opts.CXXCtorDtorAliases)
177 Res.push_back("-mconstructor-aliases");
178 if (Opts.ObjCAutoRefCountExceptions)
179 Res.push_back("-fobjc-arc-eh");
180 if (!Opts.DebugPass.empty()) {
181 Res.push_back("-mdebug-pass");
182 Res.push_back(Opts.DebugPass);
183 }
184 if (Opts.DisableFPElim)
185 Res.push_back("-mdisable-fp-elim");
186 if (!Opts.FloatABI.empty()) {
187 Res.push_back("-mfloat-abi");
188 Res.push_back(Opts.FloatABI);
189 }
190 if (!Opts.LimitFloatPrecision.empty()) {
191 Res.push_back("-mlimit-float-precision");
192 Res.push_back(Opts.LimitFloatPrecision);
193 }
194 if (Opts.NoZeroInitializedInBSS)
195 Res.push_back("-mno-zero-initialized-bss");
196 switch (Opts.getObjCDispatchMethod()) {
197 case CodeGenOptions::Legacy:
198 break;
199 case CodeGenOptions::Mixed:
200 Res.push_back("-fobjc-dispatch-method=mixed");
201 break;
202 case CodeGenOptions::NonLegacy:
203 Res.push_back("-fobjc-dispatch-method=non-legacy");
204 break;
205 }
206 if (Opts.NumRegisterParameters) {
207 Res.push_back("-mregparm");
208 Res.push_back(llvm::utostr(Opts.NumRegisterParameters));
209 }
210 if (Opts.NoExecStack)
211 Res.push_back("-mnoexecstack");
212 if (Opts.RelaxAll)
213 Res.push_back("-mrelax-all");
214 if (Opts.SaveTempLabels)
215 Res.push_back("-msave-temp-labels");
216 if (Opts.NoDwarf2CFIAsm)
217 Res.push_back("-fno-dwarf2-cfi-asm");
218 if (Opts.SoftFloat)
219 Res.push_back("-msoft-float");
220 if (Opts.UnwindTables)
221 Res.push_back("-munwind-tables");
222 if (Opts.RelocationModel != "pic") {
223 Res.push_back("-mrelocation-model");
224 Res.push_back(Opts.RelocationModel);
225 }
226 if (!Opts.VerifyModule)
227 Res.push_back("-disable-llvm-verifier");
228 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) {
229 Res.push_back("-backend-option");
230 Res.push_back(Opts.BackendOptions[i]);
231 }
232 }
233
DependencyOutputOptsToArgs(const DependencyOutputOptions & Opts,std::vector<std::string> & Res)234 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts,
235 std::vector<std::string> &Res) {
236 if (Opts.IncludeSystemHeaders)
237 Res.push_back("-sys-header-deps");
238 if (Opts.ShowHeaderIncludes)
239 Res.push_back("-H");
240 if (!Opts.HeaderIncludeOutputFile.empty()) {
241 Res.push_back("-header-include-file");
242 Res.push_back(Opts.HeaderIncludeOutputFile);
243 }
244 if (Opts.UsePhonyTargets)
245 Res.push_back("-MP");
246 if (!Opts.OutputFile.empty()) {
247 Res.push_back("-dependency-file");
248 Res.push_back(Opts.OutputFile);
249 }
250 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) {
251 Res.push_back("-MT");
252 Res.push_back(Opts.Targets[i]);
253 }
254 }
255
DiagnosticOptsToArgs(const DiagnosticOptions & Opts,std::vector<std::string> & Res)256 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts,
257 std::vector<std::string> &Res) {
258 if (Opts.IgnoreWarnings)
259 Res.push_back("-w");
260 if (Opts.NoRewriteMacros)
261 Res.push_back("-Wno-rewrite-macros");
262 if (Opts.Pedantic)
263 Res.push_back("-pedantic");
264 if (Opts.PedanticErrors)
265 Res.push_back("-pedantic-errors");
266 if (!Opts.ShowColumn)
267 Res.push_back("-fno-show-column");
268 if (!Opts.ShowLocation)
269 Res.push_back("-fno-show-source-location");
270 if (!Opts.ShowCarets)
271 Res.push_back("-fno-caret-diagnostics");
272 if (!Opts.ShowFixits)
273 Res.push_back("-fno-diagnostics-fixit-info");
274 if (Opts.ShowSourceRanges)
275 Res.push_back("-fdiagnostics-print-source-range-info");
276 if (Opts.ShowParseableFixits)
277 Res.push_back("-fdiagnostics-parseable-fixits");
278 if (Opts.ShowColors)
279 Res.push_back("-fcolor-diagnostics");
280 if (Opts.VerifyDiagnostics)
281 Res.push_back("-verify");
282 if (Opts.ShowNames)
283 Res.push_back("-fdiagnostics-show-name");
284 if (Opts.ShowOptionNames)
285 Res.push_back("-fdiagnostics-show-option");
286 if (Opts.ShowCategories == 1)
287 Res.push_back("-fdiagnostics-show-category=id");
288 else if (Opts.ShowCategories == 2)
289 Res.push_back("-fdiagnostics-show-category=name");
290 switch (Opts.Format) {
291 case DiagnosticOptions::Clang:
292 Res.push_back("-fdiagnostics-format=clang"); break;
293 case DiagnosticOptions::Msvc:
294 Res.push_back("-fdiagnostics-format=msvc"); break;
295 case DiagnosticOptions::Vi:
296 Res.push_back("-fdiagnostics-format=vi"); break;
297 }
298 if (Opts.ErrorLimit) {
299 Res.push_back("-ferror-limit");
300 Res.push_back(llvm::utostr(Opts.ErrorLimit));
301 }
302 if (!Opts.DiagnosticLogFile.empty()) {
303 Res.push_back("-diagnostic-log-file");
304 Res.push_back(Opts.DiagnosticLogFile);
305 }
306 if (Opts.MacroBacktraceLimit
307 != DiagnosticOptions::DefaultMacroBacktraceLimit) {
308 Res.push_back("-fmacro-backtrace-limit");
309 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit));
310 }
311 if (Opts.TemplateBacktraceLimit
312 != DiagnosticOptions::DefaultTemplateBacktraceLimit) {
313 Res.push_back("-ftemplate-backtrace-limit");
314 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit));
315 }
316
317 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) {
318 Res.push_back("-ftabstop");
319 Res.push_back(llvm::utostr(Opts.TabStop));
320 }
321 if (Opts.MessageLength) {
322 Res.push_back("-fmessage-length");
323 Res.push_back(llvm::utostr(Opts.MessageLength));
324 }
325 if (!Opts.DumpBuildInformation.empty()) {
326 Res.push_back("-dump-build-information");
327 Res.push_back(Opts.DumpBuildInformation);
328 }
329 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i)
330 Res.push_back("-W" + Opts.Warnings[i]);
331 }
332
getInputKindName(InputKind Kind)333 static const char *getInputKindName(InputKind Kind) {
334 switch (Kind) {
335 case IK_None: break;
336 case IK_AST: return "ast";
337 case IK_Asm: return "assembler-with-cpp";
338 case IK_C: return "c";
339 case IK_CXX: return "c++";
340 case IK_LLVM_IR: return "ir";
341 case IK_ObjC: return "objective-c";
342 case IK_ObjCXX: return "objective-c++";
343 case IK_OpenCL: return "cl";
344 case IK_CUDA: return "cuda";
345 case IK_PreprocessedC: return "cpp-output";
346 case IK_PreprocessedCXX: return "c++-cpp-output";
347 case IK_PreprocessedObjC: return "objective-c-cpp-output";
348 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output";
349 }
350
351 llvm_unreachable("Unexpected language kind!");
352 return 0;
353 }
354
getActionName(frontend::ActionKind Kind)355 static const char *getActionName(frontend::ActionKind Kind) {
356 switch (Kind) {
357 case frontend::PluginAction:
358 llvm_unreachable("Invalid kind!");
359
360 case frontend::ASTDump: return "-ast-dump";
361 case frontend::ASTDumpXML: return "-ast-dump-xml";
362 case frontend::ASTPrint: return "-ast-print";
363 case frontend::ASTView: return "-ast-view";
364 case frontend::CreateModule: return "-create-module";
365 case frontend::DumpRawTokens: return "-dump-raw-tokens";
366 case frontend::DumpTokens: return "-dump-tokens";
367 case frontend::EmitAssembly: return "-S";
368 case frontend::EmitBC: return "-emit-llvm-bc";
369 case frontend::EmitHTML: return "-emit-html";
370 case frontend::EmitLLVM: return "-emit-llvm";
371 case frontend::EmitLLVMOnly: return "-emit-llvm-only";
372 case frontend::EmitCodeGenOnly: return "-emit-codegen-only";
373 case frontend::EmitObj: return "-emit-obj";
374 case frontend::FixIt: return "-fixit";
375 case frontend::GeneratePCH: return "-emit-pch";
376 case frontend::GeneratePTH: return "-emit-pth";
377 case frontend::InitOnly: return "-init-only";
378 case frontend::ParseSyntaxOnly: return "-fsyntax-only";
379 case frontend::PrintDeclContext: return "-print-decl-contexts";
380 case frontend::PrintPreamble: return "-print-preamble";
381 case frontend::PrintPreprocessedInput: return "-E";
382 case frontend::RewriteMacros: return "-rewrite-macros";
383 case frontend::RewriteObjC: return "-rewrite-objc";
384 case frontend::RewriteTest: return "-rewrite-test";
385 case frontend::RunAnalysis: return "-analyze";
386 case frontend::RunPreprocessorOnly: return "-Eonly";
387 }
388
389 llvm_unreachable("Unexpected language kind!");
390 return 0;
391 }
392
FileSystemOptsToArgs(const FileSystemOptions & Opts,std::vector<std::string> & Res)393 static void FileSystemOptsToArgs(const FileSystemOptions &Opts,
394 std::vector<std::string> &Res) {
395 if (!Opts.WorkingDir.empty()) {
396 Res.push_back("-working-directory");
397 Res.push_back(Opts.WorkingDir);
398 }
399 }
400
FrontendOptsToArgs(const FrontendOptions & Opts,std::vector<std::string> & Res)401 static void FrontendOptsToArgs(const FrontendOptions &Opts,
402 std::vector<std::string> &Res) {
403 if (Opts.DisableFree)
404 Res.push_back("-disable-free");
405 if (Opts.RelocatablePCH)
406 Res.push_back("-relocatable-pch");
407 if (Opts.ChainedPCH)
408 Res.push_back("-chained-pch");
409 if (Opts.ShowHelp)
410 Res.push_back("-help");
411 if (Opts.ShowMacrosInCodeCompletion)
412 Res.push_back("-code-completion-macros");
413 if (Opts.ShowCodePatternsInCodeCompletion)
414 Res.push_back("-code-completion-patterns");
415 if (!Opts.ShowGlobalSymbolsInCodeCompletion)
416 Res.push_back("-no-code-completion-globals");
417 if (Opts.ShowStats)
418 Res.push_back("-print-stats");
419 if (Opts.ShowTimers)
420 Res.push_back("-ftime-report");
421 if (Opts.ShowVersion)
422 Res.push_back("-version");
423 if (Opts.FixWhatYouCan)
424 Res.push_back("-fix-what-you-can");
425 switch (Opts.ARCMTAction) {
426 case FrontendOptions::ARCMT_None:
427 break;
428 case FrontendOptions::ARCMT_Check:
429 Res.push_back("-arcmt-check");
430 break;
431 case FrontendOptions::ARCMT_Modify:
432 Res.push_back("-arcmt-modify");
433 break;
434 case FrontendOptions::ARCMT_Migrate:
435 Res.push_back("-arcmt-migrate");
436 break;
437 }
438 if (!Opts.ARCMTMigrateDir.empty()) {
439 Res.push_back("-arcmt-migrate-directory");
440 Res.push_back(Opts.ARCMTMigrateDir);
441 }
442 if (!Opts.ARCMTMigrateReportOut.empty()) {
443 Res.push_back("-arcmt-migrate-report-output");
444 Res.push_back(Opts.ARCMTMigrateReportOut);
445 }
446 if (Opts.ARCMTMigrateEmitARCErrors)
447 Res.push_back("-arcmt-migrate-emit-errors");
448
449 bool NeedLang = false;
450 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i)
451 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) !=
452 Opts.Inputs[i].first)
453 NeedLang = true;
454 if (NeedLang) {
455 Res.push_back("-x");
456 Res.push_back(getInputKindName(Opts.Inputs[0].first));
457 }
458 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) {
459 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) &&
460 "Unable to represent this input vector!");
461 Res.push_back(Opts.Inputs[i].second);
462 }
463
464 if (!Opts.OutputFile.empty()) {
465 Res.push_back("-o");
466 Res.push_back(Opts.OutputFile);
467 }
468 if (!Opts.CodeCompletionAt.FileName.empty()) {
469 Res.push_back("-code-completion-at");
470 Res.push_back(Opts.CodeCompletionAt.FileName + ":" +
471 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" +
472 llvm::utostr(Opts.CodeCompletionAt.Column));
473 }
474 if (Opts.ProgramAction != frontend::PluginAction)
475 Res.push_back(getActionName(Opts.ProgramAction));
476 if (!Opts.ActionName.empty()) {
477 Res.push_back("-plugin");
478 Res.push_back(Opts.ActionName);
479 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) {
480 Res.push_back("-plugin-arg-" + Opts.ActionName);
481 Res.push_back(Opts.PluginArgs[i]);
482 }
483 }
484 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) {
485 Res.push_back("-load");
486 Res.push_back(Opts.Plugins[i]);
487 }
488 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
489 Res.push_back("-add-plugin");
490 Res.push_back(Opts.AddPluginActions[i]);
491 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) {
492 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]);
493 Res.push_back(Opts.AddPluginArgs[i][ai]);
494 }
495 }
496 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
497 Res.push_back("-ast-merge");
498 Res.push_back(Opts.ASTMergeFiles[i]);
499 }
500 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) {
501 Res.push_back("-import-module");
502 Res.push_back(Opts.Modules[i]);
503 }
504 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) {
505 Res.push_back("-mllvm");
506 Res.push_back(Opts.LLVMArgs[i]);
507 }
508 }
509
HeaderSearchOptsToArgs(const HeaderSearchOptions & Opts,std::vector<std::string> & Res)510 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts,
511 std::vector<std::string> &Res) {
512 if (Opts.Sysroot != "/") {
513 Res.push_back("-isysroot");
514 Res.push_back(Opts.Sysroot);
515 }
516
517 /// User specified include entries.
518 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) {
519 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
520 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied))
521 llvm::report_fatal_error("Invalid option set!");
522 if (E.IsUserSupplied) {
523 if (E.Group == frontend::After) {
524 Res.push_back("-idirafter");
525 } else if (E.Group == frontend::Quoted) {
526 Res.push_back("-iquote");
527 } else if (E.Group == frontend::System) {
528 Res.push_back("-isystem");
529 } else if (E.Group == frontend::CXXSystem) {
530 Res.push_back("-cxx-isystem");
531 } else {
532 assert(E.Group == frontend::Angled && "Invalid group!");
533 Res.push_back(E.IsFramework ? "-F" : "-I");
534 }
535 } else {
536 if (E.Group != frontend::Angled && E.Group != frontend::System)
537 llvm::report_fatal_error("Invalid option set!");
538 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" :
539 "-iwithprefix");
540 }
541 Res.push_back(E.Path);
542 }
543
544 if (!Opts.EnvIncPath.empty()) {
545 // FIXME: Provide an option for this, and move env detection to driver.
546 llvm::report_fatal_error("Not yet implemented!");
547 }
548 if (!Opts.CEnvIncPath.empty()) {
549 // FIXME: Provide an option for this, and move env detection to driver.
550 llvm::report_fatal_error("Not yet implemented!");
551 }
552 if (!Opts.ObjCEnvIncPath.empty()) {
553 // FIXME: Provide an option for this, and move env detection to driver.
554 llvm::report_fatal_error("Not yet implemented!");
555 }
556 if (!Opts.CXXEnvIncPath.empty()) {
557 // FIXME: Provide an option for this, and move env detection to driver.
558 llvm::report_fatal_error("Not yet implemented!");
559 }
560 if (!Opts.ObjCXXEnvIncPath.empty()) {
561 // FIXME: Provide an option for this, and move env detection to driver.
562 llvm::report_fatal_error("Not yet implemented!");
563 }
564 if (!Opts.ResourceDir.empty()) {
565 Res.push_back("-resource-dir");
566 Res.push_back(Opts.ResourceDir);
567 }
568 if (!Opts.UseStandardIncludes)
569 Res.push_back("-nostdinc");
570 if (!Opts.UseStandardCXXIncludes)
571 Res.push_back("-nostdinc++");
572 if (Opts.UseLibcxx)
573 Res.push_back("-stdlib=libc++");
574 if (Opts.Verbose)
575 Res.push_back("-v");
576 }
577
LangOptsToArgs(const LangOptions & Opts,std::vector<std::string> & Res)578 static void LangOptsToArgs(const LangOptions &Opts,
579 std::vector<std::string> &Res) {
580 LangOptions DefaultLangOpts;
581
582 // FIXME: Need to set -std to get all the implicit options.
583
584 // FIXME: We want to only pass options relative to the defaults, which
585 // requires constructing a target. :(
586 //
587 // It would be better to push the all target specific choices into the driver,
588 // so that everything below that was more uniform.
589
590 if (Opts.Trigraphs)
591 Res.push_back("-trigraphs");
592 // Implicit based on the input kind:
593 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL
594 // Implicit based on the input language standard:
595 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode
596 if (Opts.DollarIdents)
597 Res.push_back("-fdollars-in-identifiers");
598 if (Opts.GNUMode && !Opts.GNUKeywords)
599 Res.push_back("-fno-gnu-keywords");
600 if (!Opts.GNUMode && Opts.GNUKeywords)
601 Res.push_back("-fgnu-keywords");
602 if (Opts.Microsoft)
603 Res.push_back("-fms-extensions");
604 if (Opts.MSCVersion != 0)
605 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion));
606 if (Opts.Borland)
607 Res.push_back("-fborland-extensions");
608 if (Opts.ObjCNonFragileABI)
609 Res.push_back("-fobjc-nonfragile-abi");
610 if (Opts.ObjCNonFragileABI2)
611 Res.push_back("-fobjc-nonfragile-abi");
612 if (Opts.ObjCDefaultSynthProperties)
613 Res.push_back("-fobjc-default-synthesize-properties");
614 // NoInline is implicit.
615 if (!Opts.CXXOperatorNames)
616 Res.push_back("-fno-operator-names");
617 if (Opts.PascalStrings)
618 Res.push_back("-fpascal-strings");
619 if (Opts.CatchUndefined)
620 Res.push_back("-fcatch-undefined-behavior");
621 if (Opts.WritableStrings)
622 Res.push_back("-fwritable-strings");
623 if (Opts.ConstStrings)
624 Res.push_back("-fconst-strings");
625 if (!Opts.LaxVectorConversions)
626 Res.push_back("-fno-lax-vector-conversions");
627 if (Opts.AltiVec)
628 Res.push_back("-faltivec");
629 if (Opts.Exceptions)
630 Res.push_back("-fexceptions");
631 if (Opts.ObjCExceptions)
632 Res.push_back("-fobjc-exceptions");
633 if (Opts.CXXExceptions)
634 Res.push_back("-fcxx-exceptions");
635 if (Opts.SjLjExceptions)
636 Res.push_back("-fsjlj-exceptions");
637 if (Opts.TraditionalCPP)
638 Res.push_back("-traditional-cpp");
639 if (!Opts.RTTI)
640 Res.push_back("-fno-rtti");
641 if (Opts.MSBitfields)
642 Res.push_back("-mms-bitfields");
643 if (!Opts.NeXTRuntime)
644 Res.push_back("-fgnu-runtime");
645 if (Opts.Freestanding)
646 Res.push_back("-ffreestanding");
647 if (Opts.NoBuiltin)
648 Res.push_back("-fno-builtin");
649 if (!Opts.AssumeSaneOperatorNew)
650 Res.push_back("-fno-assume-sane-operator-new");
651 if (!Opts.ThreadsafeStatics)
652 Res.push_back("-fno-threadsafe-statics");
653 if (Opts.POSIXThreads)
654 Res.push_back("-pthread");
655 if (Opts.Blocks)
656 Res.push_back("-fblocks");
657 if (Opts.EmitAllDecls)
658 Res.push_back("-femit-all-decls");
659 if (Opts.MathErrno)
660 Res.push_back("-fmath-errno");
661 switch (Opts.getSignedOverflowBehavior()) {
662 case LangOptions::SOB_Undefined: break;
663 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break;
664 case LangOptions::SOB_Trapping:
665 Res.push_back("-ftrapv"); break;
666 if (!Opts.OverflowHandler.empty()) {
667 Res.push_back("-ftrapv-handler");
668 Res.push_back(Opts.OverflowHandler);
669 }
670 }
671 if (Opts.HeinousExtensions)
672 Res.push_back("-fheinous-gnu-extensions");
673 // Optimize is implicit.
674 // OptimizeSize is implicit.
675 if (Opts.Static)
676 Res.push_back("-static-define");
677 if (Opts.DumpRecordLayouts)
678 Res.push_back("-fdump-record-layouts");
679 if (Opts.DumpVTableLayouts)
680 Res.push_back("-fdump-vtable-layouts");
681 if (Opts.NoBitFieldTypeAlign)
682 Res.push_back("-fno-bitfield-type-alignment");
683 if (Opts.PICLevel) {
684 Res.push_back("-pic-level");
685 Res.push_back(llvm::utostr(Opts.PICLevel));
686 }
687 if (Opts.ObjCGCBitmapPrint)
688 Res.push_back("-print-ivar-layout");
689 if (Opts.NoConstantCFStrings)
690 Res.push_back("-fno-constant-cfstrings");
691 if (!Opts.AccessControl)
692 Res.push_back("-fno-access-control");
693 if (!Opts.CharIsSigned)
694 Res.push_back("-fno-signed-char");
695 if (Opts.ShortWChar)
696 Res.push_back("-fshort-wchar");
697 if (!Opts.ElideConstructors)
698 Res.push_back("-fno-elide-constructors");
699 if (Opts.getGCMode() != LangOptions::NonGC) {
700 if (Opts.getGCMode() == LangOptions::HybridGC) {
701 Res.push_back("-fobjc-gc");
702 } else {
703 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!");
704 Res.push_back("-fobjc-gc-only");
705 }
706 }
707 if (Opts.ObjCAutoRefCount)
708 Res.push_back("-fobjc-arc");
709 if (Opts.ObjCRuntimeHasWeak)
710 Res.push_back("-fobjc-runtime-has-weak");
711 if (!Opts.ObjCInferRelatedResultType)
712 Res.push_back("-fno-objc-infer-related-result-type");
713
714 if (Opts.AppleKext)
715 Res.push_back("-fapple-kext");
716
717 if (Opts.getVisibilityMode() != DefaultVisibility) {
718 Res.push_back("-fvisibility");
719 if (Opts.getVisibilityMode() == HiddenVisibility) {
720 Res.push_back("hidden");
721 } else {
722 assert(Opts.getVisibilityMode() == ProtectedVisibility &&
723 "Invalid visibility!");
724 Res.push_back("protected");
725 }
726 }
727 if (Opts.InlineVisibilityHidden)
728 Res.push_back("-fvisibility-inlines-hidden");
729
730 if (Opts.getStackProtectorMode() != 0) {
731 Res.push_back("-stack-protector");
732 Res.push_back(llvm::utostr(Opts.getStackProtectorMode()));
733 }
734 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) {
735 Res.push_back("-ftemplate-depth");
736 Res.push_back(llvm::utostr(Opts.InstantiationDepth));
737 }
738 if (!Opts.ObjCConstantStringClass.empty()) {
739 Res.push_back("-fconstant-string-class");
740 Res.push_back(Opts.ObjCConstantStringClass);
741 }
742 if (Opts.FakeAddressSpaceMap)
743 Res.push_back("-ffake-address-space-map");
744 if (Opts.ParseUnknownAnytype)
745 Res.push_back("-funknown-anytype");
746 if (Opts.DebuggerSupport)
747 Res.push_back("-fdebugger-support");
748 if (Opts.DelayedTemplateParsing)
749 Res.push_back("-fdelayed-template-parsing");
750 if (Opts.Deprecated)
751 Res.push_back("-fdeprecated-macro");
752 }
753
PreprocessorOptsToArgs(const PreprocessorOptions & Opts,std::vector<std::string> & Res)754 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts,
755 std::vector<std::string> &Res) {
756 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i)
757 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") +
758 Opts.Macros[i].first);
759 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
760 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes.
761 Res.push_back("-include");
762 Res.push_back(Opts.Includes[i]);
763 }
764 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) {
765 Res.push_back("-imacros");
766 Res.push_back(Opts.MacroIncludes[i]);
767 }
768 if (!Opts.UsePredefines)
769 Res.push_back("-undef");
770 if (Opts.DetailedRecord)
771 Res.push_back("-detailed-preprocessing-record");
772 if (!Opts.ImplicitPCHInclude.empty()) {
773 Res.push_back("-include-pch");
774 Res.push_back(Opts.ImplicitPCHInclude);
775 }
776 if (!Opts.ImplicitPTHInclude.empty()) {
777 Res.push_back("-include-pth");
778 Res.push_back(Opts.ImplicitPTHInclude);
779 }
780 if (!Opts.TokenCache.empty()) {
781 if (Opts.ImplicitPTHInclude.empty()) {
782 Res.push_back("-token-cache");
783 Res.push_back(Opts.TokenCache);
784 } else
785 assert(Opts.ImplicitPTHInclude == Opts.TokenCache &&
786 "Unsupported option combination!");
787 }
788 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) {
789 Res.push_back("-chain-include");
790 Res.push_back(Opts.ChainedIncludes[i]);
791 }
792 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) {
793 Res.push_back("-remap-file");
794 Res.push_back(Opts.RemappedFiles[i].first + ";" +
795 Opts.RemappedFiles[i].second);
796 }
797 }
798
PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions & Opts,std::vector<std::string> & Res)799 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts,
800 std::vector<std::string> &Res) {
801 if (!Opts.ShowCPP && !Opts.ShowMacros)
802 llvm::report_fatal_error("Invalid option combination!");
803
804 if (Opts.ShowCPP && Opts.ShowMacros)
805 Res.push_back("-dD");
806 else if (!Opts.ShowCPP && Opts.ShowMacros)
807 Res.push_back("-dM");
808
809 if (!Opts.ShowLineMarkers)
810 Res.push_back("-P");
811 if (Opts.ShowComments)
812 Res.push_back("-C");
813 if (Opts.ShowMacroComments)
814 Res.push_back("-CC");
815 }
816
TargetOptsToArgs(const TargetOptions & Opts,std::vector<std::string> & Res)817 static void TargetOptsToArgs(const TargetOptions &Opts,
818 std::vector<std::string> &Res) {
819 Res.push_back("-triple");
820 Res.push_back(Opts.Triple);
821 if (!Opts.CPU.empty()) {
822 Res.push_back("-target-cpu");
823 Res.push_back(Opts.CPU);
824 }
825 if (!Opts.ABI.empty()) {
826 Res.push_back("-target-abi");
827 Res.push_back(Opts.ABI);
828 }
829 if (!Opts.LinkerVersion.empty()) {
830 Res.push_back("-target-linker-version");
831 Res.push_back(Opts.LinkerVersion);
832 }
833 if (!Opts.CXXABI.empty()) {
834 Res.push_back("-cxx-abi");
835 Res.push_back(Opts.CXXABI);
836 }
837 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) {
838 Res.push_back("-target-feature");
839 Res.push_back(Opts.Features[i]);
840 }
841 }
842
toArgs(std::vector<std::string> & Res)843 void CompilerInvocation::toArgs(std::vector<std::string> &Res) {
844 AnalyzerOptsToArgs(getAnalyzerOpts(), Res);
845 CodeGenOptsToArgs(getCodeGenOpts(), Res);
846 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res);
847 DiagnosticOptsToArgs(getDiagnosticOpts(), Res);
848 FileSystemOptsToArgs(getFileSystemOpts(), Res);
849 FrontendOptsToArgs(getFrontendOpts(), Res);
850 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res);
851 LangOptsToArgs(getLangOpts(), Res);
852 PreprocessorOptsToArgs(getPreprocessorOpts(), Res);
853 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res);
854 TargetOptsToArgs(getTargetOpts(), Res);
855 }
856
857 //===----------------------------------------------------------------------===//
858 // Deserialization (to args)
859 //===----------------------------------------------------------------------===//
860
861 using namespace clang::driver;
862 using namespace clang::driver::cc1options;
863
864 //
865
getOptimizationLevel(ArgList & Args,InputKind IK,Diagnostic & Diags)866 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
867 Diagnostic &Diags) {
868 unsigned DefaultOpt = 0;
869 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
870 DefaultOpt = 2;
871 // -Os/-Oz implies -O2
872 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 :
873 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags);
874 }
875
ParseAnalyzerArgs(AnalyzerOptions & Opts,ArgList & Args,Diagnostic & Diags)876 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
877 Diagnostic &Diags) {
878 using namespace cc1options;
879
880 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
881 llvm::StringRef Name = A->getValue(Args);
882 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
883 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
884 .Case(CMDFLAG, NAME##Model)
885 #include "clang/Frontend/Analyses.def"
886 .Default(NumStores);
887 // FIXME: Error handling.
888 if (Value == NumStores)
889 Diags.Report(diag::err_drv_invalid_value)
890 << A->getAsString(Args) << Name;
891 else
892 Opts.AnalysisStoreOpt = Value;
893 }
894
895 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
896 llvm::StringRef Name = A->getValue(Args);
897 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
898 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
899 .Case(CMDFLAG, NAME##Model)
900 #include "clang/Frontend/Analyses.def"
901 .Default(NumConstraints);
902 // FIXME: Error handling.
903 if (Value == NumConstraints)
904 Diags.Report(diag::err_drv_invalid_value)
905 << A->getAsString(Args) << Name;
906 else
907 Opts.AnalysisConstraintsOpt = Value;
908 }
909
910 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
911 llvm::StringRef Name = A->getValue(Args);
912 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
913 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \
914 .Case(CMDFLAG, PD_##NAME)
915 #include "clang/Frontend/Analyses.def"
916 .Default(NUM_ANALYSIS_DIAG_CLIENTS);
917 // FIXME: Error handling.
918 if (Value == NUM_ANALYSIS_DIAG_CLIENTS)
919 Diags.Report(diag::err_drv_invalid_value)
920 << A->getAsString(Args) << Name;
921 else
922 Opts.AnalysisDiagOpt = Value;
923 }
924
925 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
926 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
927 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
928 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
929 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
930 Opts.AnalyzeNestedBlocks =
931 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
932 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead);
933 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume);
934 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function);
935 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG);
936 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors);
937 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers);
938 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
939 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags);
940 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags);
941 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph);
942 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call);
943
944 Opts.CheckersControlList.clear();
945 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker,
946 OPT_analyzer_disable_checker),
947 ie = Args.filtered_end(); it != ie; ++it) {
948 const Arg *A = *it;
949 A->claim();
950 bool enable = (A->getOption().getID() == OPT_analyzer_checker);
951 // We can have a list of comma separated checker names, e.g:
952 // '-analyzer-checker=cocoa,unix'
953 llvm::StringRef checkerList = A->getValue(Args);
954 llvm::SmallVector<llvm::StringRef, 4> checkers;
955 checkerList.split(checkers, ",");
956 for (unsigned i = 0, e = checkers.size(); i != e; ++i)
957 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
958 }
959 }
960
ParseCodeGenArgs(CodeGenOptions & Opts,ArgList & Args,InputKind IK,Diagnostic & Diags)961 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
962 Diagnostic &Diags) {
963 using namespace cc1options;
964
965 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags);
966 if (Opts.OptimizationLevel > 3) {
967 Diags.Report(diag::err_drv_invalid_value)
968 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel;
969 Opts.OptimizationLevel = 3;
970 }
971
972 // We must always run at least the always inlining pass.
973 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
974 : CodeGenOptions::OnlyAlwaysInlining;
975
976 Opts.DebugInfo = Args.hasArg(OPT_g);
977 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info);
978 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
979 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
980 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables);
981 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg(
982 OPT_fuse_register_sized_bitfield_access);
983 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing);
984 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
985 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
986 Opts.NoCommon = Args.hasArg(OPT_fno_common);
987 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
988 Opts.OptimizeSize = Args.hasArg(OPT_Os);
989 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize;
990 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
991 Args.hasArg(OPT_ffreestanding));
992 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) ||
993 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
994
995 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
996 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
997 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc);
998 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate);
999 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
1000 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
1001 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
1002 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
1003 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
1004 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
1005 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
1006 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
1007 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
1008 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)||
1009 Args.hasArg(OPT_cl_fast_relaxed_math);
1010 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
1011 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
1012 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags);
1013 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
1014 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
1015 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
1016 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
1017 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm);
1018 Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
1019 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
1020 Args.hasArg(OPT_cl_fast_relaxed_math);
1021 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
1022 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
1023
1024 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections);
1025 Opts.DataSections = Args.hasArg(OPT_fdata_sections);
1026
1027 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
1028 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
1029
1030 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
1031 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
1032 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
1033 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
1034 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
1035
1036 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
1037 llvm::StringRef Name = A->getValue(Args);
1038 unsigned Method = llvm::StringSwitch<unsigned>(Name)
1039 .Case("legacy", CodeGenOptions::Legacy)
1040 .Case("non-legacy", CodeGenOptions::NonLegacy)
1041 .Case("mixed", CodeGenOptions::Mixed)
1042 .Default(~0U);
1043 if (Method == ~0U)
1044 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
1045 else
1046 Opts.ObjCDispatchMethod = Method;
1047 }
1048 }
1049
ParseDependencyOutputArgs(DependencyOutputOptions & Opts,ArgList & Args)1050 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
1051 ArgList &Args) {
1052 using namespace cc1options;
1053 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
1054 Opts.Targets = Args.getAllArgValues(OPT_MT);
1055 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
1056 Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
1057 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
1058 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
1059 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG);
1060 }
1061
ParseDiagnosticArgs(DiagnosticOptions & Opts,ArgList & Args,Diagnostic & Diags)1062 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
1063 Diagnostic &Diags) {
1064 using namespace cc1options;
1065 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file);
1066 Opts.IgnoreWarnings = Args.hasArg(OPT_w);
1067 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
1068 Opts.Pedantic = Args.hasArg(OPT_pedantic);
1069 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
1070 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
1071 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
1072 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column,
1073 OPT_fno_show_column,
1074 /*Default=*/true);
1075 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
1076 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
1077 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name);
1078 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
1079
1080 // Default behavior is to not to show note include stacks.
1081 Opts.ShowNoteIncludeStack = false;
1082 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack,
1083 OPT_fno_diagnostics_show_note_include_stack))
1084 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack))
1085 Opts.ShowNoteIncludeStack = true;
1086
1087 llvm::StringRef ShowOverloads =
1088 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all");
1089 if (ShowOverloads == "best")
1090 Opts.ShowOverloads = Diagnostic::Ovl_Best;
1091 else if (ShowOverloads == "all")
1092 Opts.ShowOverloads = Diagnostic::Ovl_All;
1093 else
1094 Diags.Report(diag::err_drv_invalid_value)
1095 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args)
1096 << ShowOverloads;
1097
1098 llvm::StringRef ShowCategory =
1099 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
1100 if (ShowCategory == "none")
1101 Opts.ShowCategories = 0;
1102 else if (ShowCategory == "id")
1103 Opts.ShowCategories = 1;
1104 else if (ShowCategory == "name")
1105 Opts.ShowCategories = 2;
1106 else
1107 Diags.Report(diag::err_drv_invalid_value)
1108 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args)
1109 << ShowCategory;
1110
1111 llvm::StringRef Format =
1112 Args.getLastArgValue(OPT_fdiagnostics_format, "clang");
1113 if (Format == "clang")
1114 Opts.Format = DiagnosticOptions::Clang;
1115 else if (Format == "msvc")
1116 Opts.Format = DiagnosticOptions::Msvc;
1117 else if (Format == "vi")
1118 Opts.Format = DiagnosticOptions::Vi;
1119 else
1120 Diags.Report(diag::err_drv_invalid_value)
1121 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args)
1122 << Format;
1123
1124 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
1125 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits);
1126 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
1127 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags);
1128 Opts.MacroBacktraceLimit
1129 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit,
1130 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
1131 Opts.TemplateBacktraceLimit
1132 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit,
1133 DiagnosticOptions::DefaultTemplateBacktraceLimit,
1134 Diags);
1135 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop,
1136 DiagnosticOptions::DefaultTabStop, Diags);
1137 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
1138 Diags.Report(diag::warn_ignoring_ftabstop_value)
1139 << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
1140 Opts.TabStop = DiagnosticOptions::DefaultTabStop;
1141 }
1142 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags);
1143 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information);
1144 Opts.Warnings = Args.getAllArgValues(OPT_W);
1145 }
1146
ParseFileSystemArgs(FileSystemOptions & Opts,ArgList & Args)1147 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) {
1148 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory);
1149 }
1150
ParseFrontendArgs(FrontendOptions & Opts,ArgList & Args,Diagnostic & Diags)1151 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
1152 Diagnostic &Diags) {
1153 using namespace cc1options;
1154 Opts.ProgramAction = frontend::ParseSyntaxOnly;
1155 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
1156 switch (A->getOption().getID()) {
1157 default:
1158 assert(0 && "Invalid option in group!");
1159 case OPT_ast_dump:
1160 Opts.ProgramAction = frontend::ASTDump; break;
1161 case OPT_ast_dump_xml:
1162 Opts.ProgramAction = frontend::ASTDumpXML; break;
1163 case OPT_ast_print:
1164 Opts.ProgramAction = frontend::ASTPrint; break;
1165 case OPT_ast_view:
1166 Opts.ProgramAction = frontend::ASTView; break;
1167 case OPT_dump_raw_tokens:
1168 Opts.ProgramAction = frontend::DumpRawTokens; break;
1169 case OPT_dump_tokens:
1170 Opts.ProgramAction = frontend::DumpTokens; break;
1171 case OPT_S:
1172 Opts.ProgramAction = frontend::EmitAssembly; break;
1173 case OPT_emit_llvm_bc:
1174 Opts.ProgramAction = frontend::EmitBC; break;
1175 case OPT_emit_html:
1176 Opts.ProgramAction = frontend::EmitHTML; break;
1177 case OPT_emit_llvm:
1178 Opts.ProgramAction = frontend::EmitLLVM; break;
1179 case OPT_emit_llvm_only:
1180 Opts.ProgramAction = frontend::EmitLLVMOnly; break;
1181 case OPT_emit_codegen_only:
1182 Opts.ProgramAction = frontend::EmitCodeGenOnly; break;
1183 case OPT_emit_obj:
1184 Opts.ProgramAction = frontend::EmitObj; break;
1185 case OPT_fixit_EQ:
1186 Opts.FixItSuffix = A->getValue(Args);
1187 // fall-through!
1188 case OPT_fixit:
1189 Opts.ProgramAction = frontend::FixIt; break;
1190 case OPT_emit_pch:
1191 Opts.ProgramAction = frontend::GeneratePCH; break;
1192 case OPT_emit_pth:
1193 Opts.ProgramAction = frontend::GeneratePTH; break;
1194 case OPT_init_only:
1195 Opts.ProgramAction = frontend::InitOnly; break;
1196 case OPT_fsyntax_only:
1197 Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
1198 case OPT_print_decl_contexts:
1199 Opts.ProgramAction = frontend::PrintDeclContext; break;
1200 case OPT_print_preamble:
1201 Opts.ProgramAction = frontend::PrintPreamble; break;
1202 case OPT_E:
1203 Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
1204 case OPT_rewrite_macros:
1205 Opts.ProgramAction = frontend::RewriteMacros; break;
1206 case OPT_rewrite_objc:
1207 Opts.ProgramAction = frontend::RewriteObjC; break;
1208 case OPT_rewrite_test:
1209 Opts.ProgramAction = frontend::RewriteTest; break;
1210 case OPT_analyze:
1211 Opts.ProgramAction = frontend::RunAnalysis; break;
1212 case OPT_Eonly:
1213 Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
1214 case OPT_create_module:
1215 Opts.ProgramAction = frontend::CreateModule; break;
1216 }
1217 }
1218
1219 if (const Arg* A = Args.getLastArg(OPT_plugin)) {
1220 Opts.Plugins.push_back(A->getValue(Args,0));
1221 Opts.ProgramAction = frontend::PluginAction;
1222 Opts.ActionName = A->getValue(Args);
1223
1224 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
1225 end = Args.filtered_end(); it != end; ++it) {
1226 if ((*it)->getValue(Args, 0) == Opts.ActionName)
1227 Opts.PluginArgs.push_back((*it)->getValue(Args, 1));
1228 }
1229 }
1230
1231 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
1232 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size());
1233 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
1234 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
1235 end = Args.filtered_end(); it != end; ++it) {
1236 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i])
1237 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1));
1238 }
1239 }
1240
1241 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
1242 Opts.CodeCompletionAt =
1243 ParsedSourceLocation::FromString(A->getValue(Args));
1244 if (Opts.CodeCompletionAt.FileName.empty())
1245 Diags.Report(diag::err_drv_invalid_value)
1246 << A->getAsString(Args) << A->getValue(Args);
1247 }
1248 Opts.DisableFree = Args.hasArg(OPT_disable_free);
1249
1250 Opts.OutputFile = Args.getLastArgValue(OPT_o);
1251 Opts.Plugins = Args.getAllArgValues(OPT_load);
1252 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
1253 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch);
1254 Opts.ShowHelp = Args.hasArg(OPT_help);
1255 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros);
1256 Opts.ShowCodePatternsInCodeCompletion
1257 = Args.hasArg(OPT_code_completion_patterns);
1258 Opts.ShowGlobalSymbolsInCodeCompletion
1259 = !Args.hasArg(OPT_no_code_completion_globals);
1260 Opts.ShowStats = Args.hasArg(OPT_print_stats);
1261 Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
1262 Opts.ShowVersion = Args.hasArg(OPT_version);
1263 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
1264 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
1265 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can);
1266 Opts.Modules = Args.getAllArgValues(OPT_import_module);
1267
1268 Opts.ARCMTAction = FrontendOptions::ARCMT_None;
1269 if (const Arg *A = Args.getLastArg(OPT_arcmt_check,
1270 OPT_arcmt_modify,
1271 OPT_arcmt_migrate)) {
1272 switch (A->getOption().getID()) {
1273 default:
1274 llvm_unreachable("missed a case");
1275 case OPT_arcmt_check:
1276 Opts.ARCMTAction = FrontendOptions::ARCMT_Check;
1277 break;
1278 case OPT_arcmt_modify:
1279 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify;
1280 break;
1281 case OPT_arcmt_migrate:
1282 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate;
1283 break;
1284 }
1285 }
1286 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory);
1287 Opts.ARCMTMigrateReportOut
1288 = Args.getLastArgValue(OPT_arcmt_migrate_report_output);
1289 Opts.ARCMTMigrateEmitARCErrors
1290 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors);
1291
1292 InputKind DashX = IK_None;
1293 if (const Arg *A = Args.getLastArg(OPT_x)) {
1294 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args))
1295 .Case("c", IK_C)
1296 .Case("cl", IK_OpenCL)
1297 .Case("cuda", IK_CUDA)
1298 .Case("c++", IK_CXX)
1299 .Case("objective-c", IK_ObjC)
1300 .Case("objective-c++", IK_ObjCXX)
1301 .Case("cpp-output", IK_PreprocessedC)
1302 .Case("assembler-with-cpp", IK_Asm)
1303 .Case("c++-cpp-output", IK_PreprocessedCXX)
1304 .Case("objective-c-cpp-output", IK_PreprocessedObjC)
1305 .Case("objc-cpp-output", IK_PreprocessedObjC)
1306 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX)
1307 .Case("c-header", IK_C)
1308 .Case("objective-c-header", IK_ObjC)
1309 .Case("c++-header", IK_CXX)
1310 .Case("objective-c++-header", IK_ObjCXX)
1311 .Case("ast", IK_AST)
1312 .Case("ir", IK_LLVM_IR)
1313 .Default(IK_None);
1314 if (DashX == IK_None)
1315 Diags.Report(diag::err_drv_invalid_value)
1316 << A->getAsString(Args) << A->getValue(Args);
1317 }
1318
1319 // '-' is the default input if none is given.
1320 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
1321 Opts.Inputs.clear();
1322 if (Inputs.empty())
1323 Inputs.push_back("-");
1324 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
1325 InputKind IK = DashX;
1326 if (IK == IK_None) {
1327 IK = FrontendOptions::getInputKindForExtension(
1328 llvm::StringRef(Inputs[i]).rsplit('.').second);
1329 // FIXME: Remove this hack.
1330 if (i == 0)
1331 DashX = IK;
1332 }
1333 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i]));
1334 }
1335
1336 return DashX;
1337 }
1338
GetResourcesPath(const char * Argv0,void * MainAddr)1339 std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
1340 void *MainAddr) {
1341 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr);
1342
1343 if (!P.isEmpty()) {
1344 P.eraseComponent(); // Remove /clang from foo/bin/clang
1345 P.eraseComponent(); // Remove /bin from foo/bin
1346
1347 // Get foo/lib/clang/<version>/include
1348 P.appendComponent("lib");
1349 P.appendComponent("clang");
1350 P.appendComponent(CLANG_VERSION_STRING);
1351 }
1352
1353 return P.str();
1354 }
1355
ParseHeaderSearchArgs(HeaderSearchOptions & Opts,ArgList & Args)1356 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
1357 using namespace cc1options;
1358 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/");
1359 Opts.Verbose = Args.hasArg(OPT_v);
1360 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
1361 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
1362 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx);
1363 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ))
1364 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0);
1365 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir);
1366
1367 // Add -I... and -F... options in order.
1368 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F),
1369 ie = Args.filtered_end(); it != ie; ++it)
1370 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true,
1371 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false);
1372
1373 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
1374 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
1375 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
1376 OPT_iwithprefixbefore),
1377 ie = Args.filtered_end(); it != ie; ++it) {
1378 const Arg *A = *it;
1379 if (A->getOption().matches(OPT_iprefix))
1380 Prefix = A->getValue(Args);
1381 else if (A->getOption().matches(OPT_iwithprefix))
1382 Opts.AddPath(Prefix.str() + A->getValue(Args),
1383 frontend::System, false, false, false);
1384 else
1385 Opts.AddPath(Prefix.str() + A->getValue(Args),
1386 frontend::Angled, false, false, false);
1387 }
1388
1389 for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
1390 ie = Args.filtered_end(); it != ie; ++it)
1391 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false);
1392 for (arg_iterator it = Args.filtered_begin(OPT_iquote),
1393 ie = Args.filtered_end(); it != ie; ++it)
1394 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false);
1395 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem,
1396 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it)
1397 Opts.AddPath((*it)->getValue(Args),
1398 ((*it)->getOption().matches(OPT_cxx_isystem) ?
1399 frontend::CXXSystem : frontend::System),
1400 true, false, !(*it)->getOption().matches(OPT_iwithsysroot));
1401
1402 // FIXME: Need options for the various environment variables!
1403 }
1404
setLangDefaults(LangOptions & Opts,InputKind IK,LangStandard::Kind LangStd)1405 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
1406 LangStandard::Kind LangStd) {
1407 // Set some properties which depend solely on the input kind; it would be nice
1408 // to move these to the language standard, and have the driver resolve the
1409 // input kind + language standard.
1410 if (IK == IK_Asm) {
1411 Opts.AsmPreprocessor = 1;
1412 } else if (IK == IK_ObjC ||
1413 IK == IK_ObjCXX ||
1414 IK == IK_PreprocessedObjC ||
1415 IK == IK_PreprocessedObjCXX) {
1416 Opts.ObjC1 = Opts.ObjC2 = 1;
1417 }
1418
1419 if (LangStd == LangStandard::lang_unspecified) {
1420 // Based on the base language, pick one.
1421 switch (IK) {
1422 case IK_None:
1423 case IK_AST:
1424 case IK_LLVM_IR:
1425 assert(0 && "Invalid input kind!");
1426 case IK_OpenCL:
1427 LangStd = LangStandard::lang_opencl;
1428 break;
1429 case IK_CUDA:
1430 LangStd = LangStandard::lang_cuda;
1431 break;
1432 case IK_Asm:
1433 case IK_C:
1434 case IK_PreprocessedC:
1435 case IK_ObjC:
1436 case IK_PreprocessedObjC:
1437 LangStd = LangStandard::lang_gnu99;
1438 break;
1439 case IK_CXX:
1440 case IK_PreprocessedCXX:
1441 case IK_ObjCXX:
1442 case IK_PreprocessedObjCXX:
1443 LangStd = LangStandard::lang_gnucxx98;
1444 break;
1445 }
1446 }
1447
1448 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
1449 Opts.BCPLComment = Std.hasBCPLComments();
1450 Opts.C99 = Std.isC99();
1451 Opts.C1X = Std.isC1X();
1452 Opts.CPlusPlus = Std.isCPlusPlus();
1453 Opts.CPlusPlus0x = Std.isCPlusPlus0x();
1454 Opts.Digraphs = Std.hasDigraphs();
1455 Opts.GNUMode = Std.isGNUMode();
1456 Opts.GNUInline = !Std.isC99();
1457 Opts.HexFloats = Std.hasHexFloats();
1458 Opts.ImplicitInt = Std.hasImplicitInt();
1459
1460 // OpenCL has some additional defaults.
1461 if (LangStd == LangStandard::lang_opencl) {
1462 Opts.OpenCL = 1;
1463 Opts.AltiVec = 1;
1464 Opts.CXXOperatorNames = 1;
1465 Opts.LaxVectorConversions = 1;
1466 Opts.DefaultFPContract = 1;
1467 }
1468
1469 if (LangStd == LangStandard::lang_cuda)
1470 Opts.CUDA = 1;
1471
1472 // OpenCL and C++ both have bool, true, false keywords.
1473 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
1474
1475 Opts.GNUKeywords = Opts.GNUMode;
1476 Opts.CXXOperatorNames = Opts.CPlusPlus;
1477
1478 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
1479 // is specified, or -std is set to a conforming mode.
1480 Opts.Trigraphs = !Opts.GNUMode;
1481
1482 Opts.DollarIdents = !Opts.AsmPreprocessor;
1483 }
1484
ParseLangArgs(LangOptions & Opts,ArgList & Args,InputKind IK,Diagnostic & Diags)1485 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
1486 Diagnostic &Diags) {
1487 // FIXME: Cleanup per-file based stuff.
1488 LangStandard::Kind LangStd = LangStandard::lang_unspecified;
1489 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
1490 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args))
1491 #define LANGSTANDARD(id, name, desc, features) \
1492 .Case(name, LangStandard::lang_##id)
1493 #include "clang/Frontend/LangStandards.def"
1494 .Default(LangStandard::lang_unspecified);
1495 if (LangStd == LangStandard::lang_unspecified)
1496 Diags.Report(diag::err_drv_invalid_value)
1497 << A->getAsString(Args) << A->getValue(Args);
1498 else {
1499 // Valid standard, check to make sure language and standard are compatable.
1500 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
1501 switch (IK) {
1502 case IK_C:
1503 case IK_ObjC:
1504 case IK_PreprocessedC:
1505 case IK_PreprocessedObjC:
1506 if (!(Std.isC89() || Std.isC99()))
1507 Diags.Report(diag::err_drv_argument_not_allowed_with)
1508 << A->getAsString(Args) << "C/ObjC";
1509 break;
1510 case IK_CXX:
1511 case IK_ObjCXX:
1512 case IK_PreprocessedCXX:
1513 case IK_PreprocessedObjCXX:
1514 if (!Std.isCPlusPlus())
1515 Diags.Report(diag::err_drv_argument_not_allowed_with)
1516 << A->getAsString(Args) << "C++/ObjC++";
1517 break;
1518 case IK_OpenCL:
1519 if (!Std.isC99())
1520 Diags.Report(diag::err_drv_argument_not_allowed_with)
1521 << A->getAsString(Args) << "OpenCL";
1522 break;
1523 case IK_CUDA:
1524 if (!Std.isCPlusPlus())
1525 Diags.Report(diag::err_drv_argument_not_allowed_with)
1526 << A->getAsString(Args) << "CUDA";
1527 break;
1528 default:
1529 break;
1530 }
1531 }
1532 }
1533
1534 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
1535 if (strcmp(A->getValue(Args), "CL1.1") != 0) {
1536 Diags.Report(diag::err_drv_invalid_value)
1537 << A->getAsString(Args) << A->getValue(Args);
1538 }
1539 }
1540
1541 CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
1542
1543 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
1544 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
1545 // while a subset (the non-C++ GNU keywords) is provided by GCC's
1546 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single
1547 // name, as it doesn't seem a useful distinction.
1548 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords,
1549 Opts.GNUKeywords);
1550
1551 if (Args.hasArg(OPT_fno_operator_names))
1552 Opts.CXXOperatorNames = 0;
1553
1554 if (Opts.ObjC1) {
1555 if (Args.hasArg(OPT_fobjc_gc_only))
1556 Opts.setGCMode(LangOptions::GCOnly);
1557 else if (Args.hasArg(OPT_fobjc_gc))
1558 Opts.setGCMode(LangOptions::HybridGC);
1559 else if (Args.hasArg(OPT_fobjc_arc)) {
1560 Opts.ObjCAutoRefCount = 1;
1561 if (!Args.hasArg(OPT_fobjc_nonfragile_abi))
1562 Diags.Report(diag::err_arc_nonfragile_abi);
1563 }
1564
1565 if (Args.hasArg(OPT_fobjc_runtime_has_weak))
1566 Opts.ObjCRuntimeHasWeak = 1;
1567
1568 if (Args.hasArg(OPT_fno_objc_infer_related_result_type))
1569 Opts.ObjCInferRelatedResultType = 0;
1570 }
1571
1572 if (Args.hasArg(OPT_fgnu89_inline))
1573 Opts.GNUInline = 1;
1574
1575 if (Args.hasArg(OPT_fapple_kext)) {
1576 if (!Opts.CPlusPlus)
1577 Diags.Report(diag::warn_c_kext);
1578 else
1579 Opts.AppleKext = 1;
1580 }
1581
1582 if (Args.hasArg(OPT_print_ivar_layout))
1583 Opts.ObjCGCBitmapPrint = 1;
1584 if (Args.hasArg(OPT_fno_constant_cfstrings))
1585 Opts.NoConstantCFStrings = 1;
1586
1587 if (Args.hasArg(OPT_faltivec))
1588 Opts.AltiVec = 1;
1589
1590 if (Args.hasArg(OPT_pthread))
1591 Opts.POSIXThreads = 1;
1592
1593 if (Args.hasArg(OPT_fdelayed_template_parsing))
1594 Opts.DelayedTemplateParsing = 1;
1595
1596 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default");
1597 if (Vis == "default")
1598 Opts.setVisibilityMode(DefaultVisibility);
1599 else if (Vis == "hidden")
1600 Opts.setVisibilityMode(HiddenVisibility);
1601 else if (Vis == "protected")
1602 Opts.setVisibilityMode(ProtectedVisibility);
1603 else
1604 Diags.Report(diag::err_drv_invalid_value)
1605 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis;
1606
1607 if (Args.hasArg(OPT_fvisibility_inlines_hidden))
1608 Opts.InlineVisibilityHidden = 1;
1609
1610 if (Args.hasArg(OPT_ftrapv)) {
1611 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
1612 // Set the handler, if one is specified.
1613 Opts.OverflowHandler =
1614 Args.getLastArgValue(OPT_ftrapv_handler);
1615 }
1616 else if (Args.hasArg(OPT_fwrapv))
1617 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined);
1618
1619 if (Args.hasArg(OPT_trigraphs))
1620 Opts.Trigraphs = 1;
1621
1622 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
1623 OPT_fno_dollars_in_identifiers,
1624 Opts.DollarIdents);
1625 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
1626 Opts.Microsoft = Args.hasArg(OPT_fms_extensions);
1627 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags);
1628 Opts.Borland = Args.hasArg(OPT_fborland_extensions);
1629 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
1630 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings,
1631 Opts.ConstStrings);
1632 if (Args.hasArg(OPT_fno_lax_vector_conversions))
1633 Opts.LaxVectorConversions = 0;
1634 if (Args.hasArg(OPT_fno_threadsafe_statics))
1635 Opts.ThreadsafeStatics = 0;
1636 Opts.Exceptions = Args.hasArg(OPT_fexceptions);
1637 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
1638 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
1639 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
1640 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
1641
1642 Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
1643 Opts.Blocks = Args.hasArg(OPT_fblocks);
1644 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char);
1645 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
1646 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums);
1647 Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
1648 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
1649 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
1650 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
1651 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control);
1652 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
1653 Opts.MathErrno = Args.hasArg(OPT_fmath_errno);
1654 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024,
1655 Diags);
1656 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing);
1657 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy,
1658 0, Diags);
1659 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields);
1660 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime);
1661 Opts.ObjCConstantStringClass =
1662 Args.getLastArgValue(OPT_fconstant_string_class);
1663 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi);
1664 if (Opts.ObjCNonFragileABI)
1665 Opts.ObjCNonFragileABI2 = true;
1666 Opts.ObjCDefaultSynthProperties =
1667 Args.hasArg(OPT_fobjc_default_synthesize_properties);
1668 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
1669 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
1670 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags);
1671 Opts.Static = Args.hasArg(OPT_static_define);
1672 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts);
1673 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
1674 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking);
1675 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
1676 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
1677 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math);
1678 Opts.OptimizeSize = 0;
1679 Opts.MRTD = Args.hasArg(OPT_mrtd);
1680 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map);
1681 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype);
1682 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support);
1683
1684 // Record whether the __DEPRECATED define was requested.
1685 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro,
1686 OPT_fno_deprecated_macro,
1687 Opts.Deprecated);
1688
1689 // FIXME: Eliminate this dependency.
1690 unsigned Opt = getOptimizationLevel(Args, IK, Diags);
1691 Opts.Optimize = Opt != 0;
1692
1693 // This is the __NO_INLINE__ define, which just depends on things like the
1694 // optimization level and -fno-inline, not actually whether the backend has
1695 // inlining enabled.
1696 //
1697 // FIXME: This is affected by other options (-fno-inline).
1698 Opts.NoInline = !Opt;
1699
1700 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags);
1701 switch (SSP) {
1702 default:
1703 Diags.Report(diag::err_drv_invalid_value)
1704 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
1705 break;
1706 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break;
1707 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break;
1708 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break;
1709 }
1710 }
1711
ParsePreprocessorArgs(PreprocessorOptions & Opts,ArgList & Args,FileManager & FileMgr,Diagnostic & Diags)1712 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
1713 FileManager &FileMgr,
1714 Diagnostic &Diags) {
1715 using namespace cc1options;
1716 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch);
1717 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth);
1718 if (const Arg *A = Args.getLastArg(OPT_token_cache))
1719 Opts.TokenCache = A->getValue(Args);
1720 else
1721 Opts.TokenCache = Opts.ImplicitPTHInclude;
1722 Opts.UsePredefines = !Args.hasArg(OPT_undef);
1723 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
1724 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
1725
1726 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
1727 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl),
1728 ie = Args.filtered_end(); it != ie; ++it) {
1729 const Arg *A = *it;
1730 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args));
1731 }
1732
1733 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
1734 llvm::StringRef Value(A->getValue(Args));
1735 size_t Comma = Value.find(',');
1736 unsigned Bytes = 0;
1737 unsigned EndOfLine = 0;
1738
1739 if (Comma == llvm::StringRef::npos ||
1740 Value.substr(0, Comma).getAsInteger(10, Bytes) ||
1741 Value.substr(Comma + 1).getAsInteger(10, EndOfLine))
1742 Diags.Report(diag::err_drv_preamble_format);
1743 else {
1744 Opts.PrecompiledPreambleBytes.first = Bytes;
1745 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0);
1746 }
1747 }
1748
1749 // Add macros from the command line.
1750 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
1751 ie = Args.filtered_end(); it != ie; ++it) {
1752 if ((*it)->getOption().matches(OPT_D))
1753 Opts.addMacroDef((*it)->getValue(Args));
1754 else
1755 Opts.addMacroUndef((*it)->getValue(Args));
1756 }
1757
1758 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros);
1759
1760 // Add the ordered list of -includes.
1761 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch,
1762 OPT_include_pth),
1763 ie = Args.filtered_end(); it != ie; ++it) {
1764 const Arg *A = *it;
1765 // PCH is handled specially, we need to extra the original include path.
1766 if (A->getOption().matches(OPT_include_pch)) {
1767 std::string OriginalFile =
1768 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags);
1769 if (OriginalFile.empty())
1770 continue;
1771
1772 Opts.Includes.push_back(OriginalFile);
1773 } else
1774 Opts.Includes.push_back(A->getValue(Args));
1775 }
1776
1777 for (arg_iterator it = Args.filtered_begin(OPT_chain_include),
1778 ie = Args.filtered_end(); it != ie; ++it) {
1779 const Arg *A = *it;
1780 Opts.ChainedIncludes.push_back(A->getValue(Args));
1781 }
1782
1783 // Include 'altivec.h' if -faltivec option present
1784 if (Args.hasArg(OPT_faltivec))
1785 Opts.Includes.push_back("altivec.h");
1786
1787 for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
1788 ie = Args.filtered_end(); it != ie; ++it) {
1789 const Arg *A = *it;
1790 std::pair<llvm::StringRef,llvm::StringRef> Split =
1791 llvm::StringRef(A->getValue(Args)).split(';');
1792
1793 if (Split.second.empty()) {
1794 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args);
1795 continue;
1796 }
1797
1798 Opts.addRemappedFile(Split.first, Split.second);
1799 }
1800
1801 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) {
1802 llvm::StringRef Name = A->getValue(Args);
1803 unsigned Library = llvm::StringSwitch<unsigned>(Name)
1804 .Case("libc++", ARCXX_libcxx)
1805 .Case("libstdc++", ARCXX_libstdcxx)
1806 .Case("none", ARCXX_nolib)
1807 .Default(~0U);
1808 if (Library == ~0U)
1809 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
1810 else
1811 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library;
1812 }
1813 }
1814
ParsePreprocessorOutputArgs(PreprocessorOutputOptions & Opts,ArgList & Args)1815 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
1816 ArgList &Args) {
1817 using namespace cc1options;
1818 Opts.ShowCPP = !Args.hasArg(OPT_dM);
1819 Opts.ShowComments = Args.hasArg(OPT_C);
1820 Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
1821 Opts.ShowMacroComments = Args.hasArg(OPT_CC);
1822 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
1823 }
1824
ParseTargetArgs(TargetOptions & Opts,ArgList & Args)1825 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
1826 using namespace cc1options;
1827 Opts.ABI = Args.getLastArgValue(OPT_target_abi);
1828 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi);
1829 Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
1830 Opts.Features = Args.getAllArgValues(OPT_target_feature);
1831 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version);
1832 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
1833
1834 // Use the host triple if unspecified.
1835 if (Opts.Triple.empty())
1836 Opts.Triple = llvm::sys::getHostTriple();
1837 }
1838
1839 //
1840
CreateFromArgs(CompilerInvocation & Res,const char * const * ArgBegin,const char * const * ArgEnd,Diagnostic & Diags)1841 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
1842 const char *const *ArgBegin,
1843 const char *const *ArgEnd,
1844 Diagnostic &Diags) {
1845 // Parse the arguments.
1846 llvm::OwningPtr<OptTable> Opts(createCC1OptTable());
1847 unsigned MissingArgIndex, MissingArgCount;
1848 llvm::OwningPtr<InputArgList> Args(
1849 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount));
1850
1851 // Check for missing argument error.
1852 if (MissingArgCount)
1853 Diags.Report(diag::err_drv_missing_argument)
1854 << Args->getArgString(MissingArgIndex) << MissingArgCount;
1855
1856 // Issue errors on unknown arguments.
1857 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
1858 ie = Args->filtered_end(); it != ie; ++it)
1859 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args);
1860
1861 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags);
1862 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
1863 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
1864 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args);
1865 // FIXME: We shouldn't have to pass the DashX option around here
1866 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
1867 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags);
1868 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
1869 if (DashX != IK_AST && DashX != IK_LLVM_IR) {
1870 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
1871 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
1872 Res.getLangOpts().ObjCExceptions = 1;
1873 }
1874 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of
1875 // PCH file and find the original header name. Remove the need to do that in
1876 // ParsePreprocessorArgs and remove the FileManager
1877 // parameters from the function and the "FileManager.h" #include.
1878 FileManager FileMgr(Res.getFileSystemOpts());
1879 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags);
1880 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
1881 ParseTargetArgs(Res.getTargetOpts(), *Args);
1882 }
1883