clang 8.0.0

Driver.h
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1 //===--- Driver.h - Clang GCC Compatible Driver -----------------*- C++ -*-===//
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 #ifndef LLVM_CLANG_DRIVER_DRIVER_H
11 #define LLVM_CLANG_DRIVER_DRIVER_H
12
13 #include "clang/Basic/Diagnostic.h"
14 #include "clang/Basic/LLVM.h"
15 #include "clang/Driver/Action.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/ArgList.h"
23 #include "llvm/Support/StringSaver.h"
24
25 #include <list>
26 #include <map>
27 #include <string>
28
29 namespace llvm {
30 class Triple;
31 namespace vfs {
32 class FileSystem;
33 }
34 } // namespace llvm
35
36 namespace clang {
37
38 namespace driver {
39
40 class Command;
41 class Compilation;
42 class InputInfo;
43 class JobList;
44 class JobAction;
45 class SanitizerArgs;
46 class ToolChain;
47
48 /// Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
49 enum LTOKind {
50 LTOK_None,
51 LTOK_Full,
52 LTOK_Thin,
53 LTOK_Unknown
54 };
55
56 /// Driver - Encapsulate logic for constructing compilation processes
57 /// from a set of gcc-driver-like command line arguments.
58 class Driver {
59 std::unique_ptr<llvm::opt::OptTable> Opts;
60
61 DiagnosticsEngine &Diags;
62
63 IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS;
64
65 enum DriverMode {
66 GCCMode,
67 GXXMode,
68 CPPMode,
69 CLMode
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 /// Only print tool bindings, don't build any jobs.
185 unsigned CCCPrintBindings : 1;
186
187 /// Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to
188 /// CCPrintOptionsFilename or to stderr.
189 unsigned CCPrintOptions : 1;
190
191 /// Set CC_PRINT_HEADERS mode, which causes the frontend to log header include
192 /// information to CCPrintHeadersFilename or to stderr.
193 unsigned CCPrintHeaders : 1;
194
195 /// Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics
196 /// to CCLogDiagnosticsFilename or to stderr, in a stable machine readable
197 /// format.
198 unsigned CCLogDiagnostics : 1;
199
200 /// Whether the driver is generating diagnostics for debugging purposes.
201 unsigned CCGenDiagnostics : 1;
202
203 private:
204 /// Raw target triple.
205 std::string TargetTriple;
206
207 /// Name to use when invoking gcc/g++.
208 std::string CCCGenericGCCName;
209
210 /// Name of configuration file if used.
211 std::string ConfigFile;
212
213 /// Allocator for string saver.
214 llvm::BumpPtrAllocator Alloc;
215
216 /// Object that stores strings read from configuration file.
217 llvm::StringSaver Saver;
218
219 /// Arguments originated from configuration file.
220 std::unique_ptr<llvm::opt::InputArgList> CfgOptions;
221
222 /// Arguments originated from command line.
223 std::unique_ptr<llvm::opt::InputArgList> CLOptions;
224
225 /// Whether to check that input files exist when constructing compilation
226 /// jobs.
227 unsigned CheckInputsExist : 1;
228
229 public:
230 /// Force clang to emit reproducer for driver invocation. This is enabled
231 /// indirectly by setting FORCE_CLANG_DIAGNOSTICS_CRASH environment variable
232 /// or when using the -gen-reproducer driver flag.
233 unsigned GenReproducer : 1;
234
235 private:
236 /// Certain options suppress the 'no input files' warning.
237 unsigned SuppressMissingInputWarning : 1;
238
239 std::list<std::string> TempFiles;
240 std::list<std::string> ResultFiles;
241
242 /// Cache of all the ToolChains in use by the driver.
243 ///
244 /// This maps from the string representation of a triple to a ToolChain
245 /// created targeting that triple. The driver owns all the ToolChain objects
246 /// stored in it, and will clean them up when torn down.
247 mutable llvm::StringMap<std::unique_ptr<ToolChain>> ToolChains;
248
249 private:
250 /// TranslateInputArgs - Create a new derived argument list from the input
251 /// arguments, after applying the standard argument translations.
252 llvm::opt::DerivedArgList *
253 TranslateInputArgs(const llvm::opt::InputArgList &Args) const;
254
255 // getFinalPhase - Determine which compilation mode we are in and record
256 // which option we used to determine the final phase.
257 phases::ID getFinalPhase(const llvm::opt::DerivedArgList &DAL,
258 llvm::opt::Arg **FinalPhaseArg = nullptr) const;
259
260 // Before executing jobs, sets up response files for commands that need them.
261 void setUpResponseFiles(Compilation &C, Command &Cmd);
262
263 void generatePrefixedToolNames(StringRef Tool, const ToolChain &TC,
264 SmallVectorImpl<std::string> &Names) const;
265
266 /// Find the appropriate .crash diagonostic file for the child crash
267 /// under this driver and copy it out to a temporary destination with the
268 /// other reproducer related files (.sh, .cache, etc). If not found, suggest a
269 /// directory for the user to look at.
270 ///
271 /// \param ReproCrashFilename The file path to copy the .crash to.
272 /// \param CrashDiagDir The suggested directory for the user to look at
273 /// in case the search or copy fails.
274 ///
275 /// \returns If the .crash is found and successfully copied return true,
276 /// otherwise false and return the suggested directory in \p CrashDiagDir.
277 bool getCrashDiagnosticFile(StringRef ReproCrashFilename,
278 SmallString<128> &CrashDiagDir);
279
280 public:
281 Driver(StringRef ClangExecutable, StringRef TargetTriple,
282 DiagnosticsEngine &Diags,
283 IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS = nullptr);
284
285 /// @name Accessors
286 /// @{
287
288 /// Name to use when invoking gcc/g++.
289 const std::string &getCCCGenericGCCName() const { return CCCGenericGCCName; }
290
291 const std::string &getConfigFile() const { return ConfigFile; }
292
293 const llvm::opt::OptTable &getOpts() const { return *Opts; }
294
295 const DiagnosticsEngine &getDiags() const { return Diags; }
296
297 llvm::vfs::FileSystem &getVFS() const { return *VFS; }
298
299 bool getCheckInputsExist() const { return CheckInputsExist; }
300
301 void setCheckInputsExist(bool Value) { CheckInputsExist = Value; }
302
303 void setTargetAndMode(const ParsedClangName &TM) { ClangNameParts = TM; }
304
305 const std::string &getTitle() { return DriverTitle; }
306 void setTitle(std::string Value) { DriverTitle = std::move(Value); }
307
308 std::string getTargetTriple() const { return TargetTriple; }
309
310 /// Get the path to the main clang executable.
311 const char *getClangProgramPath() const {
312 return ClangExecutable.c_str();
313 }
314
315 /// Get the path to where the clang executable was installed.
316 const char *getInstalledDir() const {
317 if (!InstalledDir.empty())
318 return InstalledDir.c_str();
319 return Dir.c_str();
320 }
321 void setInstalledDir(StringRef Value) {
322 InstalledDir = Value;
323 }
324
325 bool isSaveTempsEnabled() const { return SaveTemps != SaveTempsNone; }
326 bool isSaveTempsObj() const { return SaveTemps == SaveTempsObj; }
327
328 bool embedBitcodeEnabled() const { return BitcodeEmbed != EmbedNone; }
329 bool embedBitcodeInObject() const { return (BitcodeEmbed == EmbedBitcode); }
330 bool embedBitcodeMarkerOnly() const { return (BitcodeEmbed == EmbedMarker); }
331
332 /// Compute the desired OpenMP runtime from the flags provided.
333 OpenMPRuntimeKind getOpenMPRuntime(const llvm::opt::ArgList &Args) const;
334
335 /// @}
336 /// @name Primary Functionality
337 /// @{
338
339 /// CreateOffloadingDeviceToolChains - create all the toolchains required to
340 /// support offloading devices given the programming models specified in the
341 /// current compilation. Also, update the host tool chain kind accordingly.
342 void CreateOffloadingDeviceToolChains(Compilation &C, InputList &Inputs);
343
344 /// BuildCompilation - Construct a compilation object for a command
345 /// line argument vector.
346 ///
347 /// \return A compilation, or 0 if none was built for the given
348 /// argument vector. A null return value does not necessarily
349 /// indicate an error condition, the diagnostics should be queried
350 /// to determine if an error occurred.
351 Compilation *BuildCompilation(ArrayRef<const char *> Args);
352
353 /// @name Driver Steps
354 /// @{
355
356 /// ParseDriverMode - Look for and handle the driver mode option in Args.
357 void ParseDriverMode(StringRef ProgramName, ArrayRef<const char *> Args);
358
359 /// ParseArgStrings - Parse the given list of strings into an
360 /// ArgList.
361 llvm::opt::InputArgList ParseArgStrings(ArrayRef<const char *> Args,
362 bool IsClCompatMode,
363 bool &ContainsError);
364
365 /// BuildInputs - Construct the list of inputs and their types from
366 /// the given arguments.
367 ///
368 /// \param TC - The default host tool chain.
369 /// \param Args - The input arguments.
370 /// \param Inputs - The list to store the resulting compilation
371 /// inputs onto.
372 void BuildInputs(const ToolChain &TC, llvm::opt::DerivedArgList &Args,
373 InputList &Inputs) const;
374
375 /// BuildActions - Construct the list of actions to perform for the
376 /// given arguments, which are only done for a single architecture.
377 ///
378 /// \param C - The compilation that is being built.
379 /// \param Args - The input arguments.
380 /// \param Actions - The list to store the resulting actions onto.
381 void BuildActions(Compilation &C, llvm::opt::DerivedArgList &Args,
382 const InputList &Inputs, ActionList &Actions) const;
383
384 /// BuildUniversalActions - Construct the list of actions to perform
385 /// for the given arguments, which may require a universal build.
386 ///
387 /// \param C - The compilation that is being built.
388 /// \param TC - The default host tool chain.
389 void BuildUniversalActions(Compilation &C, const ToolChain &TC,
390 const InputList &BAInputs) const;
391
392 /// BuildJobs - Bind actions to concrete tools and translate
393 /// arguments to form the list of jobs to run.
394 ///
395 /// \param C - The compilation that is being built.
396 void BuildJobs(Compilation &C) const;
397
398 /// ExecuteCompilation - Execute the compilation according to the command line
399 /// arguments and return an appropriate exit code.
400 ///
401 /// This routine handles additional processing that must be done in addition
402 /// to just running the subprocesses, for example reporting errors, setting
403 /// up response files, removing temporary files, etc.
404 int ExecuteCompilation(Compilation &C,
405 SmallVectorImpl< std::pair<int, const Command *> > &FailingCommands);
406
407 /// Contains the files in the compilation diagnostic report generated by
408 /// generateCompilationDiagnostics.
409 struct CompilationDiagnosticReport {
410 llvm::SmallVector<std::string, 4> TemporaryFiles;
411 };
412
413 /// generateCompilationDiagnostics - Generate diagnostics information
414 /// including preprocessed source file(s).
415 ///
416 void generateCompilationDiagnostics(
417 Compilation &C, const Command &FailingCommand,
418 StringRef AdditionalInformation = "",
419 CompilationDiagnosticReport *GeneratedReport = nullptr);
420
421 /// @}
422 /// @name Helper Methods
423 /// @{
424
425 /// PrintActions - Print the list of actions.
426 void PrintActions(const Compilation &C) const;
427
428 /// PrintHelp - Print the help text.
429 ///
430 /// \param ShowHidden - Show hidden options.
431 void PrintHelp(bool ShowHidden) const;
432
433 /// PrintVersion - Print the driver version.
434 void PrintVersion(const Compilation &C, raw_ostream &OS) const;
435
436 /// GetFilePath - Lookup \p Name in the list of file search paths.
437 ///
438 /// \param TC - The tool chain for additional information on
439 /// directories to search.
440 //
441 // FIXME: This should be in CompilationInfo.
442 std::string GetFilePath(StringRef Name, const ToolChain &TC) const;
443
444 /// GetProgramPath - Lookup \p Name in the list of program search paths.
445 ///
446 /// \param TC - The provided tool chain for additional information on
447 /// directories to search.
448 //
449 // FIXME: This should be in CompilationInfo.
450 std::string GetProgramPath(StringRef Name, const ToolChain &TC) const;
451
452 /// HandleAutocompletions - Handle --autocomplete by searching and printing
453 /// possible flags, descriptions, and its arguments.
454 void HandleAutocompletions(StringRef PassedFlags) const;
455
456 /// HandleImmediateArgs - Handle any arguments which should be
457 /// treated before building actions or binding tools.
458 ///
459 /// \return Whether any compilation should be built for this
460 /// invocation.
461 bool HandleImmediateArgs(const Compilation &C);
462
463 /// ConstructAction - Construct the appropriate action to do for
464 /// \p Phase on the \p Input, taking in to account arguments
465 /// like -fsyntax-only or --analyze.
466 Action *ConstructPhaseAction(
467 Compilation &C, const llvm::opt::ArgList &Args, phases::ID Phase,
468 Action *Input,
469 Action::OffloadKind TargetDeviceOffloadKind = Action::OFK_None) const;
470
471 /// BuildJobsForAction - Construct the jobs to perform for the action \p A and
472 /// return an InputInfo for the result of running \p A. Will only construct
473 /// jobs for a given (Action, ToolChain, BoundArch, DeviceKind) tuple once.
474 InputInfo
475 BuildJobsForAction(Compilation &C, const Action *A, const ToolChain *TC,
476 StringRef BoundArch, bool AtTopLevel, bool MultipleArchs,
477 const char *LinkingOutput,
478 std::map<std::pair<const Action *, std::string>, InputInfo>
479 &CachedResults,
480 Action::OffloadKind TargetDeviceOffloadKind) const;
481
482 /// Returns the default name for linked images (e.g., "a.out").
483 const char *getDefaultImageName() const;
484
485 /// GetNamedOutputPath - Return the name to use for the output of
486 /// the action \p JA. The result is appended to the compilation's
487 /// list of temporary or result files, as appropriate.
488 ///
489 /// \param C - The compilation.
490 /// \param JA - The action of interest.
491 /// \param BaseInput - The original input file that this action was
492 /// triggered by.
493 /// \param BoundArch - The bound architecture.
494 /// \param AtTopLevel - Whether this is a "top-level" action.
495 /// \param MultipleArchs - Whether multiple -arch options were supplied.
496 /// \param NormalizedTriple - The normalized triple of the relevant target.
497 const char *GetNamedOutputPath(Compilation &C, const JobAction &JA,
498 const char *BaseInput, StringRef BoundArch,
499 bool AtTopLevel, bool MultipleArchs,
500 StringRef NormalizedTriple) const;
501
502 /// GetTemporaryPath - Return the pathname of a temporary file to use
503 /// as part of compilation; the file will have the given prefix and suffix.
504 ///
505 /// GCC goes to extra lengths here to be a bit more robust.
506 std::string GetTemporaryPath(StringRef Prefix, StringRef Suffix) const;
507
508 /// GetTemporaryDirectory - Return the pathname of a temporary directory to
509 /// use as part of compilation; the directory will have the given prefix.
510 std::string GetTemporaryDirectory(StringRef Prefix) const;
511
512 /// Return the pathname of the pch file in clang-cl mode.
513 std::string GetClPchPath(Compilation &C, StringRef BaseName) const;
514
515 /// ShouldUseClangCompiler - Should the clang compiler be used to
516 /// handle this action.
517 bool ShouldUseClangCompiler(const JobAction &JA) const;
518
519 /// Returns true if we are performing any kind of LTO.
520 bool isUsingLTO() const { return LTOMode != LTOK_None; }
521
522 /// Get the specific kind of LTO being performed.
523 LTOKind getLTOMode() const { return LTOMode; }
524
525 private:
526
527 /// Tries to load options from configuration file.
528 ///
529 /// \returns true if error occurred.
530 bool loadConfigFile();
531
532 /// Read options from the specified file.
533 ///
534 /// \param [in] FileName File to read.
535 /// \returns true, if error occurred while reading.
536 bool readConfigFile(StringRef FileName);
537
538 /// Set the driver mode (cl, gcc, etc) from an option string of the form
539 /// --driver-mode=<mode>.
540 void setDriverModeFromOption(StringRef Opt);
541
542 /// Parse the \p Args list for LTO options and record the type of LTO
543 /// compilation based on which -f(no-)?lto(=.*)? option occurs last.
544 void setLTOMode(const llvm::opt::ArgList &Args);
545
546 /// Retrieves a ToolChain for a particular \p Target triple.
547 ///
548 /// Will cache ToolChains for the life of the driver object, and create them
549 /// on-demand.
550 const ToolChain &getToolChain(const llvm::opt::ArgList &Args,
551 const llvm::Triple &Target) const;
552
553 /// @}
554
555 /// Get bitmasks for which option flags to include and exclude based on
556 /// the driver mode.
557 std::pair<unsigned, unsigned> getIncludeExcludeOptionFlagMasks(bool IsClCompatMode) const;
558
559 /// Helper used in BuildJobsForAction. Doesn't use the cache when building
560 /// jobs specifically for the given action, but will use the cache when
561 /// building jobs for the Action's inputs.
562 InputInfo BuildJobsForActionNoCache(
563 Compilation &C, const Action *A, const ToolChain *TC, StringRef BoundArch,
564 bool AtTopLevel, bool MultipleArchs, const char *LinkingOutput,
565 std::map<std::pair<const Action *, std::string>, InputInfo>
566 &CachedResults,
567 Action::OffloadKind TargetDeviceOffloadKind) const;
568
569 public:
570 /// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and
571 /// return the grouped values as integers. Numbers which are not
572 /// provided are set to 0.
573 ///
574 /// \return True if the entire string was parsed (9.2), or all
575 /// groups were parsed (10.3.5extrastuff). HadExtra is true if all
576 /// groups were parsed but extra characters remain at the end.
577 static bool GetReleaseVersion(StringRef Str, unsigned &Major, unsigned &Minor,
578 unsigned &Micro, bool &HadExtra);
579
580 /// Parse digits from a string \p Str and fulfill \p Digits with
581 /// the parsed numbers. This method assumes that the max number of
582 /// digits to look for is equal to Digits.size().
583 ///
584 /// \return True if the entire string was parsed and there are
585 /// no extra characters remaining at the end.
586 static bool GetReleaseVersion(StringRef Str,
587 MutableArrayRef<unsigned> Digits);
588 /// Compute the default -fmodule-cache-path.
589 static void getDefaultModuleCachePath(SmallVectorImpl<char> &Result);
590 };
591
592 /// \return True if the last defined optimization level is -Ofast.
593 /// And False otherwise.
594 bool isOptimizationLevelFast(const llvm::opt::ArgList &Args);
595
596 } // end namespace driver
597 } // end namespace clang
598
599 #endif
clang::driver::phases::ID
ID
ID - Ordered values for successive stages in the compilation process which interact with user options...
Definition: Phases.h:18
Types.h
clang::driver::LTOK_Unknown
Definition: Driver.h:53
clang::driver::Driver::PrefixDirs
prefix_list PrefixDirs
Definition: Driver.h:145
llvm
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
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:193
clang::driver::Driver::isUsingLTO
bool isUsingLTO() const
Returns true if we are performing any kind of LTO.
Definition: Driver.h:520
clang::DiagnosticsEngine::Report
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1295
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:328
clang::driver::Driver::getTargetTriple
std::string getTargetTriple() const
Definition: Driver.h:308
clang::driver::Driver::getLTOMode
LTOKind getLTOMode() const
Get the specific kind of LTO being performed.
Definition: Driver.h:523
clang::driver::Driver::Diag
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:109
Value
Value
Definition: UninitializedValues.cpp:102
clang::MultiVersionKind::Target
Action.h
clang::driver::Driver::CompilationDiagnosticReport
Contains the files in the compilation diagnostic report generated by generateCompilationDiagnostics.
Definition: Driver.h:409
clang::driver::JobAction
Definition: Action.h:374
clang::driver::Driver::embedBitcodeMarkerOnly
bool embedBitcodeMarkerOnly() const
Definition: Driver.h:330
clang::driver::Driver::CCLogDiagnostics
unsigned CCLogDiagnostics
Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics to CCLogDiagnosticsFilename...
Definition: Driver.h:198
clang::driver::Driver::getTitle
const std::string & getTitle()
Definition: Driver.h:305
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:37
clang::driver::Action
Action - Represent an abstract compilation step to perform.
Definition: Action.h:48
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:23
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:126
clang::driver::Driver::setTargetAndMode
void setTargetAndMode(const ParsedClangName &TM)
Definition: Driver.h:303
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:58
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:32
llvm::SmallString
Definition: LLVM.h:35
clang::driver::Driver::getVFS
llvm::vfs::FileSystem & getVFS() const
Definition: Driver.h:297
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:1043
clang::driver::Driver::GenReproducer
unsigned GenReproducer
Force clang to emit reproducer for driver invocation.
Definition: Driver.h:233
clang::driver::Driver::getDiags
const DiagnosticsEngine & getDiags() const
Definition: Driver.h:295
llvm::MutableArrayRef
Definition: LLVM.h:33
clang::driver::Driver::isSaveTempsObj
bool isSaveTempsObj() const
Definition: Driver.h:326
clang::driver::Driver::getConfigFile
const std::string & getConfigFile() const
Definition: Driver.h:291
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:50
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:189
clang::driver::Driver::setCheckInputsExist
void setCheckInputsExist(bool Value)
Definition: Driver.h:301
llvm::IntrusiveRefCntPtr
Definition: LLVM.h:45
clang::driver::Driver::embedBitcodeInObject
bool embedBitcodeInObject() const
Definition: Driver.h:329
clang::driver::Command
Command - An executable path/name and argument vector to execute.
Definition: Job.h:42
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:325
Util.h
llvm::SmallVector
Definition: LLVM.h:36
Phases.h
clang::driver::Driver::UserConfigDir
std::string UserConfigDir
User directory for config files.
Definition: Driver.h:138
clang::driver::Driver::setTitle
void setTitle(std::string Value)
Definition: Driver.h:306
clang::driver::ParsedClangName
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:62
clang::EmbedBitcode
void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts, llvm::MemoryBufferRef Buf)
Definition: BackendUtil.cpp:1361
clang::driver::Action::OffloadKind
OffloadKind
Definition: Action.h:83
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:22
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:52
clang::driver::Driver::CCCPrintBindings
unsigned CCCPrintBindings
Only print tool bindings, don&#39;t build any jobs.
Definition: Driver.h:185
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:289
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:34
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:410
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:299
clang::driver::Driver::getInstalledDir
const char * getInstalledDir() const
Get the path to where the clang executable was installed.
Definition: Driver.h:316
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:46
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::LTOKind
LTOKind
Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
Definition: Driver.h:49
clang::driver::Driver::getOpts
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:293
clang::driver::Driver::getClangProgramPath
const char * getClangProgramPath() const
Get the path to the main clang executable.
Definition: Driver.h:311
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:321
clang::driver::LTOK_Full
Definition: Driver.h:51
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:201
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:89
clang::driver::Driver::ResourceDir
std::string ResourceDir
The path to the compiler resource directory.
Definition: Driver.h:132