clang 10.0.0git

Driver.h
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1 //===--- Driver.h - Clang GCC Compatible Driver -----------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #ifndef LLVM_CLANG_DRIVER_DRIVER_H
10 #define LLVM_CLANG_DRIVER_DRIVER_H
11
12 #include "clang/Basic/Diagnostic.h"
13 #include "clang/Basic/LLVM.h"
14 #include "clang/Driver/Action.h"
15 #include "clang/Driver/Options.h"
16 #include "clang/Driver/Phases.h"
17 #include "clang/Driver/ToolChain.h"
18 #include "clang/Driver/Types.h"
19 #include "clang/Driver/Util.h"
20 #include "llvm/ADT/StringMap.h"
21 #include "llvm/ADT/StringRef.h"
22 #include "llvm/Option/Arg.h"
23 #include "llvm/Option/ArgList.h"
24 #include "llvm/Support/StringSaver.h"
25
26 #include <list>
27 #include <map>
28 #include <string>
29
30 namespace llvm {
31 class Triple;
32 namespace vfs {
33 class FileSystem;
34 }
35 } // namespace llvm
36
37 namespace clang {
38
39 namespace driver {
40
41 class Command;
42 class Compilation;
43 class InputInfo;
44 class JobList;
45 class JobAction;
46 class SanitizerArgs;
47 class ToolChain;
48
49 /// Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
50 enum LTOKind {
51 LTOK_None,
52 LTOK_Full,
53 LTOK_Thin,
54 LTOK_Unknown
55 };
56
57 /// Driver - Encapsulate logic for constructing compilation processes
58 /// from a set of gcc-driver-like command line arguments.
59 class Driver {
60 DiagnosticsEngine &Diags;
61
62 IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS;
63
64 enum DriverMode {
65 GCCMode,
66 GXXMode,
67 CPPMode,
68 CLMode,
69 FlangMode
70 } Mode;
71
72 enum SaveTempsMode {
73 SaveTempsNone,
74 SaveTempsCwd,
75 SaveTempsObj
76 } SaveTemps;
77
78 enum BitcodeEmbedMode {
79 EmbedNone,
80 EmbedMarker,
81 EmbedBitcode
82 } BitcodeEmbed;
83
84 /// LTO mode selected via -f(no-)?lto(=.*)? options.
85 LTOKind LTOMode;
86
87 public:
88 enum OpenMPRuntimeKind {
89 /// An unknown OpenMP runtime. We can't generate effective OpenMP code
90 /// without knowing what runtime to target.
91 OMPRT_Unknown,
92
93 /// The LLVM OpenMP runtime. When completed and integrated, this will become
94 /// the default for Clang.
95 OMPRT_OMP,
96
97 /// The GNU OpenMP runtime. Clang doesn't support generating OpenMP code for
98 /// this runtime but can swallow the pragmas, and find and link against the
99 /// runtime library itself.
100 OMPRT_GOMP,
101
102 /// The legacy name for the LLVM OpenMP runtime from when it was the Intel
103 /// OpenMP runtime. We support this mode for users with existing
104 /// dependencies on this runtime library name.
105 OMPRT_IOMP5
106 };
107
108 // Diag - Forwarding function for diagnostics.
109 DiagnosticBuilder Diag(unsigned DiagID) const {
110 return Diags.Report(DiagID);
111 }
112
113 // FIXME: Privatize once interface is stable.
114 public:
115 /// The name the driver was invoked as.
116 std::string Name;
117
118 /// The path the driver executable was in, as invoked from the
119 /// command line.
120 std::string Dir;
121
122 /// The original path to the clang executable.
123 std::string ClangExecutable;
124
125 /// Target and driver mode components extracted from clang executable name.
126 ParsedClangName ClangNameParts;
127
128 /// The path to the installed clang directory, if any.
129 std::string InstalledDir;
130
131 /// The path to the compiler resource directory.
132 std::string ResourceDir;
133
134 /// System directory for config files.
135 std::string SystemConfigDir;
136
137 /// User directory for config files.
138 std::string UserConfigDir;
139
140 /// A prefix directory used to emulate a limited subset of GCC's '-Bprefix'
141 /// functionality.
142 /// FIXME: This type of customization should be removed in favor of the
143 /// universal driver when it is ready.
144 typedef SmallVector<std::string, 4> prefix_list;
145 prefix_list PrefixDirs;
146
147 /// sysroot, if present
148 std::string SysRoot;
149
150 /// Dynamic loader prefix, if present
151 std::string DyldPrefix;
152
153 /// Driver title to use with help.
154 std::string DriverTitle;
155
156 /// Information about the host which can be overridden by the user.
157 std::string HostBits, HostMachine, HostSystem, HostRelease;
158
159 /// The file to log CC_PRINT_OPTIONS output to, if enabled.
160 const char *CCPrintOptionsFilename;
161
162 /// The file to log CC_PRINT_HEADERS output to, if enabled.
163 const char *CCPrintHeadersFilename;
164
165 /// The file to log CC_LOG_DIAGNOSTICS output to, if enabled.
166 const char *CCLogDiagnosticsFilename;
167
168 /// A list of inputs and their types for the given arguments.
169 typedef SmallVector<std::pair<types::ID, const llvm::opt::Arg *>, 16>
170 InputList;
171
172 /// Whether the driver should follow g++ like behavior.
173 bool CCCIsCXX() const { return Mode == GXXMode; }
174
175 /// Whether the driver is just the preprocessor.
176 bool CCCIsCPP() const { return Mode == CPPMode; }
177
178 /// Whether the driver should follow gcc like behavior.
179 bool CCCIsCC() const { return Mode == GCCMode; }
180
181 /// Whether the driver should follow cl.exe like behavior.
182 bool IsCLMode() const { return Mode == CLMode; }
183
184 /// Whether the driver should invoke flang for fortran inputs.
185 /// Other modes fall back to calling gcc which in turn calls gfortran.
186 bool IsFlangMode() const { return Mode == FlangMode; }
187
188 /// Only print tool bindings, don't build any jobs.
189 unsigned CCCPrintBindings : 1;
190
191 /// Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to
192 /// CCPrintOptionsFilename or to stderr.
193 unsigned CCPrintOptions : 1;
194
195 /// Set CC_PRINT_HEADERS mode, which causes the frontend to log header include
196 /// information to CCPrintHeadersFilename or to stderr.
197 unsigned CCPrintHeaders : 1;
198
199 /// Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics
200 /// to CCLogDiagnosticsFilename or to stderr, in a stable machine readable
201 /// format.
202 unsigned CCLogDiagnostics : 1;
203
204 /// Whether the driver is generating diagnostics for debugging purposes.
205 unsigned CCGenDiagnostics : 1;
206
207 /// Pointer to the ExecuteCC1Tool function, if available.
208 /// When the clangDriver lib is used through clang.exe, this provides a
209 /// shortcut for executing the -cc1 command-line directly, in the same
210 /// process.
211 typedef int (*CC1ToolFunc)(SmallVectorImpl<const char *> &ArgV);
212 CC1ToolFunc CC1Main = nullptr;
213
214 private:
215 /// Raw target triple.
216 std::string TargetTriple;
217
218 /// Name to use when invoking gcc/g++.
219 std::string CCCGenericGCCName;
220
221 /// Name of configuration file if used.
222 std::string ConfigFile;
223
224 /// Allocator for string saver.
225 llvm::BumpPtrAllocator Alloc;
226
227 /// Object that stores strings read from configuration file.
228 llvm::StringSaver Saver;
229
230 /// Arguments originated from configuration file.
231 std::unique_ptr<llvm::opt::InputArgList> CfgOptions;
232
233 /// Arguments originated from command line.
234 std::unique_ptr<llvm::opt::InputArgList> CLOptions;
235
236 /// Whether to check that input files exist when constructing compilation
237 /// jobs.
238 unsigned CheckInputsExist : 1;
239
240 public:
241 /// Force clang to emit reproducer for driver invocation. This is enabled
242 /// indirectly by setting FORCE_CLANG_DIAGNOSTICS_CRASH environment variable
243 /// or when using the -gen-reproducer driver flag.
244 unsigned GenReproducer : 1;
245
246 private:
247 /// Certain options suppress the 'no input files' warning.
248 unsigned SuppressMissingInputWarning : 1;
249
250 /// Cache of all the ToolChains in use by the driver.
251 ///
252 /// This maps from the string representation of a triple to a ToolChain
253 /// created targeting that triple. The driver owns all the ToolChain objects
254 /// stored in it, and will clean them up when torn down.
255 mutable llvm::StringMap<std::unique_ptr<ToolChain>> ToolChains;
256
257 private:
258 /// TranslateInputArgs - Create a new derived argument list from the input
259 /// arguments, after applying the standard argument translations.
260 llvm::opt::DerivedArgList *
261 TranslateInputArgs(const llvm::opt::InputArgList &Args) const;
262
263 // getFinalPhase - Determine which compilation mode we are in and record
264 // which option we used to determine the final phase.
265 // TODO: Much of what getFinalPhase returns are not actually true compiler
266 // modes. Fold this functionality into Types::getCompilationPhases and
267 // handleArguments.
268 phases::ID getFinalPhase(const llvm::opt::DerivedArgList &DAL,
269 llvm::opt::Arg **FinalPhaseArg = nullptr) const;
270
271 // handleArguments - All code related to claiming and printing diagnostics
272 // related to arguments to the driver are done here.
273 void handleArguments(Compilation &C, llvm::opt::DerivedArgList &Args,
274 const InputList &Inputs, ActionList &Actions) const;
275
276 // Before executing jobs, sets up response files for commands that need them.
277 void setUpResponseFiles(Compilation &C, Command &Cmd);
278
279 void generatePrefixedToolNames(StringRef Tool, const ToolChain &TC,
280 SmallVectorImpl<std::string> &Names) const;
281
282 /// Find the appropriate .crash diagonostic file for the child crash
283 /// under this driver and copy it out to a temporary destination with the
284 /// other reproducer related files (.sh, .cache, etc). If not found, suggest a
285 /// directory for the user to look at.
286 ///
287 /// \param ReproCrashFilename The file path to copy the .crash to.
288 /// \param CrashDiagDir The suggested directory for the user to look at
289 /// in case the search or copy fails.
290 ///
291 /// \returns If the .crash is found and successfully copied return true,
292 /// otherwise false and return the suggested directory in \p CrashDiagDir.
293 bool getCrashDiagnosticFile(StringRef ReproCrashFilename,
294 SmallString<128> &CrashDiagDir);
295
296 public:
297
298 /// Takes the path to a binary that's either in bin/ or lib/ and returns
299 /// the path to clang's resource directory.
300 static std::string GetResourcesPath(StringRef BinaryPath,
301 StringRef CustomResourceDir = "");
302
303 Driver(StringRef ClangExecutable, StringRef TargetTriple,
304 DiagnosticsEngine &Diags,
305 IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS = nullptr);
306
307 /// @name Accessors
308 /// @{
309
310 /// Name to use when invoking gcc/g++.
311 const std::string &getCCCGenericGCCName() const { return CCCGenericGCCName; }
312
313 const std::string &getConfigFile() const { return ConfigFile; }
314
315 const llvm::opt::OptTable &getOpts() const { return getDriverOptTable(); }
316
317 const DiagnosticsEngine &getDiags() const { return Diags; }
318
319 llvm::vfs::FileSystem &getVFS() const { return *VFS; }
320
321 bool getCheckInputsExist() const { return CheckInputsExist; }
322
323 void setCheckInputsExist(bool Value) { CheckInputsExist = Value; }
324
325 void setTargetAndMode(const ParsedClangName &TM) { ClangNameParts = TM; }
326
327 const std::string &getTitle() { return DriverTitle; }
328 void setTitle(std::string Value) { DriverTitle = std::move(Value); }
329
330 std::string getTargetTriple() const { return TargetTriple; }
331
332 /// Get the path to the main clang executable.
333 const char *getClangProgramPath() const {
334 return ClangExecutable.c_str();
335 }
336
337 /// Get the path to where the clang executable was installed.
338 const char *getInstalledDir() const {
339 if (!InstalledDir.empty())
340 return InstalledDir.c_str();
341 return Dir.c_str();
342 }
343 void setInstalledDir(StringRef Value) {
344 InstalledDir = Value;
345 }
346
347 bool isSaveTempsEnabled() const { return SaveTemps != SaveTempsNone; }
348 bool isSaveTempsObj() const { return SaveTemps == SaveTempsObj; }
349
350 bool embedBitcodeEnabled() const { return BitcodeEmbed != EmbedNone; }
351 bool embedBitcodeInObject() const { return (BitcodeEmbed == EmbedBitcode); }
352 bool embedBitcodeMarkerOnly() const { return (BitcodeEmbed == EmbedMarker); }
353
354 /// Compute the desired OpenMP runtime from the flags provided.
355 OpenMPRuntimeKind getOpenMPRuntime(const llvm::opt::ArgList &Args) const;
356
357 /// @}
358 /// @name Primary Functionality
359 /// @{
360
361 /// CreateOffloadingDeviceToolChains - create all the toolchains required to
362 /// support offloading devices given the programming models specified in the
363 /// current compilation. Also, update the host tool chain kind accordingly.
364 void CreateOffloadingDeviceToolChains(Compilation &C, InputList &Inputs);
365
366 /// BuildCompilation - Construct a compilation object for a command
367 /// line argument vector.
368 ///
369 /// \return A compilation, or 0 if none was built for the given
370 /// argument vector. A null return value does not necessarily
371 /// indicate an error condition, the diagnostics should be queried
372 /// to determine if an error occurred.
373 Compilation *BuildCompilation(ArrayRef<const char *> Args);
374
375 /// @name Driver Steps
376 /// @{
377
378 /// ParseDriverMode - Look for and handle the driver mode option in Args.
379 void ParseDriverMode(StringRef ProgramName, ArrayRef<const char *> Args);
380
381 /// ParseArgStrings - Parse the given list of strings into an
382 /// ArgList.
383 llvm::opt::InputArgList ParseArgStrings(ArrayRef<const char *> Args,
384 bool IsClCompatMode,
385 bool &ContainsError);
386
387 /// BuildInputs - Construct the list of inputs and their types from
388 /// the given arguments.
389 ///
390 /// \param TC - The default host tool chain.
391 /// \param Args - The input arguments.
392 /// \param Inputs - The list to store the resulting compilation
393 /// inputs onto.
394 void BuildInputs(const ToolChain &TC, llvm::opt::DerivedArgList &Args,
395 InputList &Inputs) const;
396
397 /// BuildActions - Construct the list of actions to perform for the
398 /// given arguments, which are only done for a single architecture.
399 ///
400 /// \param C - The compilation that is being built.
401 /// \param Args - The input arguments.
402 /// \param Actions - The list to store the resulting actions onto.
403 void BuildActions(Compilation &C, llvm::opt::DerivedArgList &Args,
404 const InputList &Inputs, ActionList &Actions) const;
405
406 /// BuildUniversalActions - Construct the list of actions to perform
407 /// for the given arguments, which may require a universal build.
408 ///
409 /// \param C - The compilation that is being built.
410 /// \param TC - The default host tool chain.
411 void BuildUniversalActions(Compilation &C, const ToolChain &TC,
412 const InputList &BAInputs) const;
413
414 /// Check that the file referenced by Value exists. If it doesn't,
415 /// issue a diagnostic and return false.
416 /// If TypoCorrect is true and the file does not exist, see if it looks
417 /// like a likely typo for a flag and if so print a "did you mean" blurb.
418 bool DiagnoseInputExistence(const llvm::opt::DerivedArgList &Args,
419 StringRef Value, types::ID Ty,
420 bool TypoCorrect) const;
421
422 /// BuildJobs - Bind actions to concrete tools and translate
423 /// arguments to form the list of jobs to run.
424 ///
425 /// \param C - The compilation that is being built.
426 void BuildJobs(Compilation &C) const;
427
428 /// ExecuteCompilation - Execute the compilation according to the command line
429 /// arguments and return an appropriate exit code.
430 ///
431 /// This routine handles additional processing that must be done in addition
432 /// to just running the subprocesses, for example reporting errors, setting
433 /// up response files, removing temporary files, etc.
434 int ExecuteCompilation(Compilation &C,
435 SmallVectorImpl< std::pair<int, const Command *> > &FailingCommands);
436
437 /// Contains the files in the compilation diagnostic report generated by
438 /// generateCompilationDiagnostics.
439 struct CompilationDiagnosticReport {
440 llvm::SmallVector<std::string, 4> TemporaryFiles;
441 };
442
443 /// generateCompilationDiagnostics - Generate diagnostics information
444 /// including preprocessed source file(s).
445 ///
446 void generateCompilationDiagnostics(
447 Compilation &C, const Command &FailingCommand,
448 StringRef AdditionalInformation = "",
449 CompilationDiagnosticReport *GeneratedReport = nullptr);
450
451 /// @}
452 /// @name Helper Methods
453 /// @{
454
455 /// PrintActions - Print the list of actions.
456 void PrintActions(const Compilation &C) const;
457
458 /// PrintHelp - Print the help text.
459 ///
460 /// \param ShowHidden - Show hidden options.
461 void PrintHelp(bool ShowHidden) const;
462
463 /// PrintVersion - Print the driver version.
464 void PrintVersion(const Compilation &C, raw_ostream &OS) const;
465
466 /// GetFilePath - Lookup \p Name in the list of file search paths.
467 ///
468 /// \param TC - The tool chain for additional information on
469 /// directories to search.
470 //
471 // FIXME: This should be in CompilationInfo.
472 std::string GetFilePath(StringRef Name, const ToolChain &TC) const;
473
474 /// GetProgramPath - Lookup \p Name in the list of program search paths.
475 ///
476 /// \param TC - The provided tool chain for additional information on
477 /// directories to search.
478 //
479 // FIXME: This should be in CompilationInfo.
480 std::string GetProgramPath(StringRef Name, const ToolChain &TC) const;
481
482 /// HandleAutocompletions - Handle --autocomplete by searching and printing
483 /// possible flags, descriptions, and its arguments.
484 void HandleAutocompletions(StringRef PassedFlags) const;
485
486 /// HandleImmediateArgs - Handle any arguments which should be
487 /// treated before building actions or binding tools.
488 ///
489 /// \return Whether any compilation should be built for this
490 /// invocation.
491 bool HandleImmediateArgs(const Compilation &C);
492
493 /// ConstructAction - Construct the appropriate action to do for
494 /// \p Phase on the \p Input, taking in to account arguments
495 /// like -fsyntax-only or --analyze.
496 Action *ConstructPhaseAction(
497 Compilation &C, const llvm::opt::ArgList &Args, phases::ID Phase,
498 Action *Input,
499 Action::OffloadKind TargetDeviceOffloadKind = Action::OFK_None) const;
500
501 /// BuildJobsForAction - Construct the jobs to perform for the action \p A and
502 /// return an InputInfo for the result of running \p A. Will only construct
503 /// jobs for a given (Action, ToolChain, BoundArch, DeviceKind) tuple once.
504 InputInfo
505 BuildJobsForAction(Compilation &C, const Action *A, const ToolChain *TC,
506 StringRef BoundArch, bool AtTopLevel, bool MultipleArchs,
507 const char *LinkingOutput,
508 std::map<std::pair<const Action *, std::string>, InputInfo>
509 &CachedResults,
510 Action::OffloadKind TargetDeviceOffloadKind) const;
511
512 /// Returns the default name for linked images (e.g., "a.out").
513 const char *getDefaultImageName() const;
514
515 /// GetNamedOutputPath - Return the name to use for the output of
516 /// the action \p JA. The result is appended to the compilation's
517 /// list of temporary or result files, as appropriate.
518 ///
519 /// \param C - The compilation.
520 /// \param JA - The action of interest.
521 /// \param BaseInput - The original input file that this action was
522 /// triggered by.
523 /// \param BoundArch - The bound architecture.
524 /// \param AtTopLevel - Whether this is a "top-level" action.
525 /// \param MultipleArchs - Whether multiple -arch options were supplied.
526 /// \param NormalizedTriple - The normalized triple of the relevant target.
527 const char *GetNamedOutputPath(Compilation &C, const JobAction &JA,
528 const char *BaseInput, StringRef BoundArch,
529 bool AtTopLevel, bool MultipleArchs,
530 StringRef NormalizedTriple) const;
531
532 /// GetTemporaryPath - Return the pathname of a temporary file to use
533 /// as part of compilation; the file will have the given prefix and suffix.
534 ///
535 /// GCC goes to extra lengths here to be a bit more robust.
536 std::string GetTemporaryPath(StringRef Prefix, StringRef Suffix) const;
537
538 /// GetTemporaryDirectory - Return the pathname of a temporary directory to
539 /// use as part of compilation; the directory will have the given prefix.
540 std::string GetTemporaryDirectory(StringRef Prefix) const;
541
542 /// Return the pathname of the pch file in clang-cl mode.
543 std::string GetClPchPath(Compilation &C, StringRef BaseName) const;
544
545 /// ShouldUseClangCompiler - Should the clang compiler be used to
546 /// handle this action.
547 bool ShouldUseClangCompiler(const JobAction &JA) const;
548
549 /// ShouldUseFlangCompiler - Should the flang compiler be used to
550 /// handle this action.
551 bool ShouldUseFlangCompiler(const JobAction &JA) const;
552
553 /// Returns true if we are performing any kind of LTO.
554 bool isUsingLTO() const { return LTOMode != LTOK_None; }
555
556 /// Get the specific kind of LTO being performed.
557 LTOKind getLTOMode() const { return LTOMode; }
558
559 private:
560
561 /// Tries to load options from configuration file.
562 ///
563 /// \returns true if error occurred.
564 bool loadConfigFile();
565
566 /// Read options from the specified file.
567 ///
568 /// \param [in] FileName File to read.
569 /// \returns true, if error occurred while reading.
570 bool readConfigFile(StringRef FileName);
571
572 /// Set the driver mode (cl, gcc, etc) from an option string of the form
573 /// --driver-mode=<mode>.
574 void setDriverModeFromOption(StringRef Opt);
575
576 /// Parse the \p Args list for LTO options and record the type of LTO
577 /// compilation based on which -f(no-)?lto(=.*)? option occurs last.
578 void setLTOMode(const llvm::opt::ArgList &Args);
579
580 /// Retrieves a ToolChain for a particular \p Target triple.
581 ///
582 /// Will cache ToolChains for the life of the driver object, and create them
583 /// on-demand.
584 const ToolChain &getToolChain(const llvm::opt::ArgList &Args,
585 const llvm::Triple &Target) const;
586
587 /// @}
588
589 /// Get bitmasks for which option flags to include and exclude based on
590 /// the driver mode.
591 std::pair<unsigned, unsigned> getIncludeExcludeOptionFlagMasks(bool IsClCompatMode) const;
592
593 /// Helper used in BuildJobsForAction. Doesn't use the cache when building
594 /// jobs specifically for the given action, but will use the cache when
595 /// building jobs for the Action's inputs.
596 InputInfo BuildJobsForActionNoCache(
597 Compilation &C, const Action *A, const ToolChain *TC, StringRef BoundArch,
598 bool AtTopLevel, bool MultipleArchs, const char *LinkingOutput,
599 std::map<std::pair<const Action *, std::string>, InputInfo>
600 &CachedResults,
601 Action::OffloadKind TargetDeviceOffloadKind) const;
602
603 public:
604 /// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and
605 /// return the grouped values as integers. Numbers which are not
606 /// provided are set to 0.
607 ///
608 /// \return True if the entire string was parsed (9.2), or all
609 /// groups were parsed (10.3.5extrastuff). HadExtra is true if all
610 /// groups were parsed but extra characters remain at the end.
611 static bool GetReleaseVersion(StringRef Str, unsigned &Major, unsigned &Minor,
612 unsigned &Micro, bool &HadExtra);
613
614 /// Parse digits from a string \p Str and fulfill \p Digits with
615 /// the parsed numbers. This method assumes that the max number of
616 /// digits to look for is equal to Digits.size().
617 ///
618 /// \return True if the entire string was parsed and there are
619 /// no extra characters remaining at the end.
620 static bool GetReleaseVersion(StringRef Str,
621 MutableArrayRef<unsigned> Digits);
622 /// Compute the default -fmodule-cache-path.
623 static void getDefaultModuleCachePath(SmallVectorImpl<char> &Result);
624 };
625
626 /// \return True if the last defined optimization level is -Ofast.
627 /// And False otherwise.
628 bool isOptimizationLevelFast(const llvm::opt::ArgList &Args);
629
630 /// \return True if the argument combination will end up generating remarks.
631 bool willEmitRemarks(const llvm::opt::ArgList &Args);
632
633 } // end namespace driver
634 } // end namespace clang
635
636 #endif
clang::driver::phases::ID
ID
ID - Ordered values for successive stages in the compilation process which interact with user options...
Definition: Phases.h:17
Types.h
clang::driver::LTOK_Unknown
Definition: Driver.h:54
clang::driver::Driver::PrefixDirs
prefix_list PrefixDirs
Definition: Driver.h:145
llvm
Specialize PointerLikeTypeTraits to allow LazyGenerationalUpdatePtr to be placed into a PointerUnion...
Definition: Dominators.h:30
clang::driver::Driver::CCPrintHeaders
unsigned CCPrintHeaders
Set CC_PRINT_HEADERS mode, which causes the frontend to log header include information to CCPrintHead...
Definition: Driver.h:197
clang::driver::Driver::isUsingLTO
bool isUsingLTO() const
Returns true if we are performing any kind of LTO.
Definition: Driver.h:554
clang::DiagnosticsEngine::Report
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1300
clang::driver::Driver::DyldPrefix
std::string DyldPrefix
Dynamic loader prefix, if present.
Definition: Driver.h:151
clang::driver::Driver::embedBitcodeEnabled
bool embedBitcodeEnabled() const
Definition: Driver.h:350
clang::driver::Driver::getTargetTriple
std::string getTargetTriple() const
Definition: Driver.h:330
clang::driver::Driver::getLTOMode
LTOKind getLTOMode() const
Get the specific kind of LTO being performed.
Definition: Driver.h:557
clang::driver::Driver::Diag
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:109
Value
Value
Definition: UninitializedValues.cpp:101
clang::driver::types::ID
ID
Definition: Types.h:23
clang::MultiVersionKind::Target
Action.h
clang::driver::Driver::CompilationDiagnosticReport
Contains the files in the compilation diagnostic report generated by generateCompilationDiagnostics.
Definition: Driver.h:439
clang::driver::JobAction
Definition: Action.h:375
clang::driver::Driver::embedBitcodeMarkerOnly
bool embedBitcodeMarkerOnly() const
Definition: Driver.h:352
clang::driver::Driver::CCLogDiagnostics
unsigned CCLogDiagnostics
Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics to CCLogDiagnosticsFilename...
Definition: Driver.h:202
clang::driver::Driver::getTitle
const std::string & getTitle()
Definition: Driver.h:327
clang::driver::Driver::Dir
std::string Dir
The path the driver executable was in, as invoked from the command line.
Definition: Driver.h:120
llvm::SmallVectorImpl
Definition: LLVM.h:36
clang::driver::Action
Action - Represent an abstract compilation step to perform.
Definition: Action.h:47
LLVM.h
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
clang::driver::InputInfo
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
clang::DiagnosticsEngine
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:149
clang::driver::isOptimizationLevelFast
bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
Cmd
CompileCommand Cmd
Definition: InterpolatingCompilationDatabase.cpp:125
clang::driver::Driver::setTargetAndMode
void setTargetAndMode(const ParsedClangName &TM)
Definition: Driver.h:325
Diagnostic.h
Defines the Diagnostic-related interfaces.
clang::driver::Driver::OMPRT_OMP
The LLVM OpenMP runtime.
Definition: Driver.h:95
clang::driver::Driver
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
clang::driver::Driver::OMPRT_Unknown
An unknown OpenMP runtime.
Definition: Driver.h:91
clang::driver::Driver::CCPrintOptionsFilename
const char * CCPrintOptionsFilename
The file to log CC_PRINT_OPTIONS output to, if enabled.
Definition: Driver.h:160
llvm::ArrayRef
Definition: LLVM.h:31
llvm::SmallString< 128 >
clang::driver::Driver::getVFS
llvm::vfs::FileSystem & getVFS() const
Definition: Driver.h:319
clang::driver::Driver::HostSystem
std::string HostSystem
Definition: Driver.h:157
clang::driver::Driver::InputList
SmallVector< std::pair< types::ID, const llvm::opt::Arg * >, 16 > InputList
A list of inputs and their types for the given arguments.
Definition: Driver.h:170
clang::DiagnosticBuilder
A little helper class used to produce diagnostics.
Definition: Diagnostic.h:1053
clang::driver::getDriverOptTable
const llvm::opt::OptTable & getDriverOptTable()
Definition: DriverOptions.cpp:42
clang::driver::Driver::GenReproducer
unsigned GenReproducer
Force clang to emit reproducer for driver invocation.
Definition: Driver.h:244
clang::driver::Driver::getDiags
const DiagnosticsEngine & getDiags() const
Definition: Driver.h:317
llvm::MutableArrayRef
Definition: LLVM.h:32
clang::driver::Driver::isSaveTempsObj
bool isSaveTempsObj() const
Definition: Driver.h:348
clang::driver::Driver::getConfigFile
const std::string & getConfigFile() const
Definition: Driver.h:313
clang::driver::Driver::IsCLMode
bool IsCLMode() const
Whether the driver should follow cl.exe like behavior.
Definition: Driver.h:182
clang::driver::LTOK_None
Definition: Driver.h:51
clang::driver::Driver::CCPrintOptions
unsigned CCPrintOptions
Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to CCPrintOptionsFilename or to std...
Definition: Driver.h:193
clang::driver::Driver::setCheckInputsExist
void setCheckInputsExist(bool Value)
Definition: Driver.h:323
llvm::IntrusiveRefCntPtr< llvm::vfs::FileSystem >
clang::driver::Driver::embedBitcodeInObject
bool embedBitcodeInObject() const
Definition: Driver.h:351
clang::driver::Command
Command - An executable path/name and argument vector to execute.
Definition: Job.h:41
clang::driver::Driver::InstalledDir
std::string InstalledDir
The path to the installed clang directory, if any.
Definition: Driver.h:129
clang::driver::Driver::CCCIsCXX
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:173
ToolChain.h
clang::driver::Driver::isSaveTempsEnabled
bool isSaveTempsEnabled() const
Definition: Driver.h:347
Util.h
llvm::SmallVector< std::string, 4 >
Phases.h
clang::driver::Driver::UserConfigDir
std::string UserConfigDir
User directory for config files.
Definition: Driver.h:138
Options.h
clang::driver::Driver::setTitle
void setTitle(std::string Value)
Definition: Driver.h:328
clang::driver::ParsedClangName
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:61
clang::EmbedBitcode
void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts, llvm::MemoryBufferRef Buf)
Definition: BackendUtil.cpp:1567
clang::driver::Action::OffloadKind
OffloadKind
Definition: Action.h:84
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:21
clang::driver::Driver::CCPrintHeadersFilename
const char * CCPrintHeadersFilename
The file to log CC_PRINT_HEADERS output to, if enabled.
Definition: Driver.h:163
clang::driver::LTOK_Thin
Definition: Driver.h:53
clang::driver::Driver::CCCPrintBindings
unsigned CCCPrintBindings
Only print tool bindings, don&#39;t build any jobs.
Definition: Driver.h:189
clang::driver::Driver::OpenMPRuntimeKind
OpenMPRuntimeKind
Definition: Driver.h:88
clang::driver::Driver::getCCCGenericGCCName
const std::string & getCCCGenericGCCName() const
Name to use when invoking gcc/g++.
Definition: Driver.h:311
clang::driver::Driver::SysRoot
std::string SysRoot
sysroot, if present
Definition: Driver.h:148
clang::driver::Tool
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
clang::driver::Driver::Name
std::string Name
The name the driver was invoked as.
Definition: Driver.h:116
clang::driver::Driver::OMPRT_GOMP
The GNU OpenMP runtime.
Definition: Driver.h:100
clang::driver::Driver::CompilationDiagnosticReport::TemporaryFiles
llvm::SmallVector< std::string, 4 > TemporaryFiles
Definition: Driver.h:440
clang::driver::Driver::ClangNameParts
ParsedClangName ClangNameParts
Target and driver mode components extracted from clang executable name.
Definition: Driver.h:126
clang::driver::Driver::getCheckInputsExist
bool getCheckInputsExist() const
Definition: Driver.h:321
clang::driver::Driver::getInstalledDir
const char * getInstalledDir() const
Get the path to where the clang executable was installed.
Definition: Driver.h:338
clang::driver::Driver::IsFlangMode
bool IsFlangMode() const
Whether the driver should invoke flang for fortran inputs.
Definition: Driver.h:186
clang::driver::Driver::ClangExecutable
std::string ClangExecutable
The original path to the clang executable.
Definition: Driver.h:123
clang::driver::Compilation
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
clang::driver::Driver::prefix_list
SmallVector< std::string, 4 > prefix_list
A prefix directory used to emulate a limited subset of GCC&#39;s &#39;-Bprefix&#39; functionality.
Definition: Driver.h:144
clang::driver::Driver::CCLogDiagnosticsFilename
const char * CCLogDiagnosticsFilename
The file to log CC_LOG_DIAGNOSTICS output to, if enabled.
Definition: Driver.h:166
clang::driver::willEmitRemarks
bool willEmitRemarks(const llvm::opt::ArgList &Args)
clang::driver::LTOKind
LTOKind
Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
Definition: Driver.h:50
clang::driver::Driver::getOpts
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:315
clang::driver::Driver::getClangProgramPath
const char * getClangProgramPath() const
Get the path to the main clang executable.
Definition: Driver.h:333
clang::driver::Driver::DriverTitle
std::string DriverTitle
Driver title to use with help.
Definition: Driver.h:154
clang::driver::Driver::CCCIsCPP
bool CCCIsCPP() const
Whether the driver is just the preprocessor.
Definition: Driver.h:176
clang::driver::Driver::setInstalledDir
void setInstalledDir(StringRef Value)
Definition: Driver.h:343
clang::driver::LTOK_Full
Definition: Driver.h:52
clang::driver::Driver::CCCIsCC
bool CCCIsCC() const
Whether the driver should follow gcc like behavior.
Definition: Driver.h:179
clang::driver::Driver::CCGenDiagnostics
unsigned CCGenDiagnostics
Whether the driver is generating diagnostics for debugging purposes.
Definition: Driver.h:205
clang::driver::Driver::SystemConfigDir
std::string SystemConfigDir
System directory for config files.
Definition: Driver.h:135
clang::driver::ToolChain
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88
clang::driver::Driver::ResourceDir
std::string ResourceDir
The path to the compiler resource directory.
Definition: Driver.h:132