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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/Phases.h"
16 #include "clang/Driver/ToolChain.h"
17 #include "clang/Driver/Types.h"
18 #include "clang/Driver/Util.h"
19 #include "llvm/ADT/StringMap.h"
20 #include "llvm/ADT/StringRef.h"
21 #include "llvm/Option/ArgList.h"
22 #include "llvm/Support/StringSaver.h"
23 
24 #include <list>
25 #include <map>
26 #include <string>
27 
28 namespace llvm {
29 class Triple;
30 namespace vfs {
31 class FileSystem;
32 }
33 } // namespace llvm
34 
35 namespace clang {
36 
37 namespace driver {
38 
39  class Command;
40  class Compilation;
41  class InputInfo;
42  class JobList;
43  class JobAction;
44  class SanitizerArgs;
45  class ToolChain;
46 
47 /// Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
48 enum LTOKind {
53 };
54 
55 /// Driver - Encapsulate logic for constructing compilation processes
56 /// from a set of gcc-driver-like command line arguments.
57 class Driver {
58  std::unique_ptr<llvm::opt::OptTable> Opts;
59 
60  DiagnosticsEngine &Diags;
61 
63 
64  enum DriverMode {
65  GCCMode,
66  GXXMode,
67  CPPMode,
68  CLMode
69  } Mode;
70 
71  enum SaveTempsMode {
72  SaveTempsNone,
73  SaveTempsCwd,
74  SaveTempsObj
75  } SaveTemps;
76 
77  enum BitcodeEmbedMode {
78  EmbedNone,
79  EmbedMarker,
81  } BitcodeEmbed;
82 
83  /// LTO mode selected via -f(no-)?lto(=.*)? options.
84  LTOKind LTOMode;
85 
86 public:
88  /// An unknown OpenMP runtime. We can't generate effective OpenMP code
89  /// without knowing what runtime to target.
91 
92  /// The LLVM OpenMP runtime. When completed and integrated, this will become
93  /// the default for Clang.
95 
96  /// The GNU OpenMP runtime. Clang doesn't support generating OpenMP code for
97  /// this runtime but can swallow the pragmas, and find and link against the
98  /// runtime library itself.
100 
101  /// The legacy name for the LLVM OpenMP runtime from when it was the Intel
102  /// OpenMP runtime. We support this mode for users with existing
103  /// dependencies on this runtime library name.
104  OMPRT_IOMP5
105  };
106 
107  // Diag - Forwarding function for diagnostics.
108  DiagnosticBuilder Diag(unsigned DiagID) const {
109  return Diags.Report(DiagID);
110  }
111 
112  // FIXME: Privatize once interface is stable.
113 public:
114  /// The name the driver was invoked as.
115  std::string Name;
116 
117  /// The path the driver executable was in, as invoked from the
118  /// command line.
119  std::string Dir;
120 
121  /// The original path to the clang executable.
122  std::string ClangExecutable;
123 
124  /// Target and driver mode components extracted from clang executable name.
126 
127  /// The path to the installed clang directory, if any.
128  std::string InstalledDir;
129 
130  /// The path to the compiler resource directory.
131  std::string ResourceDir;
132 
133  /// System directory for config files.
134  std::string SystemConfigDir;
135 
136  /// User directory for config files.
137  std::string UserConfigDir;
138 
139  /// A prefix directory used to emulate a limited subset of GCC's '-Bprefix'
140  /// functionality.
141  /// FIXME: This type of customization should be removed in favor of the
142  /// universal driver when it is ready.
144  prefix_list PrefixDirs;
145 
146  /// sysroot, if present
147  std::string SysRoot;
148 
149  /// Dynamic loader prefix, if present
150  std::string DyldPrefix;
151 
152  /// Driver title to use with help.
153  std::string DriverTitle;
154 
155  /// Information about the host which can be overridden by the user.
156  std::string HostBits, HostMachine, HostSystem, HostRelease;
157 
158  /// The file to log CC_PRINT_OPTIONS output to, if enabled.
160 
161  /// The file to log CC_PRINT_HEADERS output to, if enabled.
163 
164  /// The file to log CC_LOG_DIAGNOSTICS output to, if enabled.
166 
167  /// A list of inputs and their types for the given arguments.
170 
171  /// Whether the driver should follow g++ like behavior.
172  bool CCCIsCXX() const { return Mode == GXXMode; }
173 
174  /// Whether the driver is just the preprocessor.
175  bool CCCIsCPP() const { return Mode == CPPMode; }
176 
177  /// Whether the driver should follow gcc like behavior.
178  bool CCCIsCC() const { return Mode == GCCMode; }
179 
180  /// Whether the driver should follow cl.exe like behavior.
181  bool IsCLMode() const { return Mode == CLMode; }
182 
183  /// Only print tool bindings, don't build any jobs.
184  unsigned CCCPrintBindings : 1;
185 
186  /// Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to
187  /// CCPrintOptionsFilename or to stderr.
188  unsigned CCPrintOptions : 1;
189 
190  /// Set CC_PRINT_HEADERS mode, which causes the frontend to log header include
191  /// information to CCPrintHeadersFilename or to stderr.
192  unsigned CCPrintHeaders : 1;
193 
194  /// Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics
195  /// to CCLogDiagnosticsFilename or to stderr, in a stable machine readable
196  /// format.
197  unsigned CCLogDiagnostics : 1;
198 
199  /// Whether the driver is generating diagnostics for debugging purposes.
200  unsigned CCGenDiagnostics : 1;
201 
202 private:
203  /// Raw target triple.
204  std::string TargetTriple;
205 
206  /// Name to use when invoking gcc/g++.
207  std::string CCCGenericGCCName;
208 
209  /// Name of configuration file if used.
210  std::string ConfigFile;
211 
212  /// Allocator for string saver.
213  llvm::BumpPtrAllocator Alloc;
214 
215  /// Object that stores strings read from configuration file.
216  llvm::StringSaver Saver;
217 
218  /// Arguments originated from configuration file.
219  std::unique_ptr<llvm::opt::InputArgList> CfgOptions;
220 
221  /// Arguments originated from command line.
222  std::unique_ptr<llvm::opt::InputArgList> CLOptions;
223 
224  /// Whether to check that input files exist when constructing compilation
225  /// jobs.
226  unsigned CheckInputsExist : 1;
227 
228 public:
229  /// Force clang to emit reproducer for driver invocation. This is enabled
230  /// indirectly by setting FORCE_CLANG_DIAGNOSTICS_CRASH environment variable
231  /// or when using the -gen-reproducer driver flag.
232  unsigned GenReproducer : 1;
233 
234 private:
235  /// Certain options suppress the 'no input files' warning.
236  unsigned SuppressMissingInputWarning : 1;
237 
238  /// Cache of all the ToolChains in use by the driver.
239  ///
240  /// This maps from the string representation of a triple to a ToolChain
241  /// created targeting that triple. The driver owns all the ToolChain objects
242  /// stored in it, and will clean them up when torn down.
243  mutable llvm::StringMap<std::unique_ptr<ToolChain>> ToolChains;
244 
245 private:
246  /// TranslateInputArgs - Create a new derived argument list from the input
247  /// arguments, after applying the standard argument translations.
248  llvm::opt::DerivedArgList *
249  TranslateInputArgs(const llvm::opt::InputArgList &Args) const;
250 
251  // getFinalPhase - Determine which compilation mode we are in and record
252  // which option we used to determine the final phase.
253  phases::ID getFinalPhase(const llvm::opt::DerivedArgList &DAL,
254  llvm::opt::Arg **FinalPhaseArg = nullptr) const;
255 
256  // Before executing jobs, sets up response files for commands that need them.
257  void setUpResponseFiles(Compilation &C, Command &Cmd);
258 
259  void generatePrefixedToolNames(StringRef Tool, const ToolChain &TC,
260  SmallVectorImpl<std::string> &Names) const;
261 
262  /// Find the appropriate .crash diagonostic file for the child crash
263  /// under this driver and copy it out to a temporary destination with the
264  /// other reproducer related files (.sh, .cache, etc). If not found, suggest a
265  /// directory for the user to look at.
266  ///
267  /// \param ReproCrashFilename The file path to copy the .crash to.
268  /// \param CrashDiagDir The suggested directory for the user to look at
269  /// in case the search or copy fails.
270  ///
271  /// \returns If the .crash is found and successfully copied return true,
272  /// otherwise false and return the suggested directory in \p CrashDiagDir.
273  bool getCrashDiagnosticFile(StringRef ReproCrashFilename,
274  SmallString<128> &CrashDiagDir);
275 
276 public:
277 
278  /// Takes the path to a binary that's either in bin/ or lib/ and returns
279  /// the path to clang's resource directory.
280  static std::string GetResourcesPath(StringRef BinaryPath,
281  StringRef CustomResourceDir = "");
282 
283  Driver(StringRef ClangExecutable, StringRef TargetTriple,
284  DiagnosticsEngine &Diags,
286 
287  /// @name Accessors
288  /// @{
289 
290  /// Name to use when invoking gcc/g++.
291  const std::string &getCCCGenericGCCName() const { return CCCGenericGCCName; }
292 
293  const std::string &getConfigFile() const { return ConfigFile; }
294 
295  const llvm::opt::OptTable &getOpts() const { return *Opts; }
296 
297  const DiagnosticsEngine &getDiags() const { return Diags; }
298 
299  llvm::vfs::FileSystem &getVFS() const { return *VFS; }
300 
301  bool getCheckInputsExist() const { return CheckInputsExist; }
302 
303  void setCheckInputsExist(bool Value) { CheckInputsExist = Value; }
304 
305  void setTargetAndMode(const ParsedClangName &TM) { ClangNameParts = TM; }
306 
307  const std::string &getTitle() { return DriverTitle; }
308  void setTitle(std::string Value) { DriverTitle = std::move(Value); }
309 
310  std::string getTargetTriple() const { return TargetTriple; }
311 
312  /// Get the path to the main clang executable.
313  const char *getClangProgramPath() const {
314  return ClangExecutable.c_str();
315  }
316 
317  /// Get the path to where the clang executable was installed.
318  const char *getInstalledDir() const {
319  if (!InstalledDir.empty())
320  return InstalledDir.c_str();
321  return Dir.c_str();
322  }
323  void setInstalledDir(StringRef Value) {
324  InstalledDir = Value;
325  }
326 
327  bool isSaveTempsEnabled() const { return SaveTemps != SaveTempsNone; }
328  bool isSaveTempsObj() const { return SaveTemps == SaveTempsObj; }
329 
330  bool embedBitcodeEnabled() const { return BitcodeEmbed != EmbedNone; }
331  bool embedBitcodeInObject() const { return (BitcodeEmbed == EmbedBitcode); }
332  bool embedBitcodeMarkerOnly() const { return (BitcodeEmbed == EmbedMarker); }
333 
334  /// Compute the desired OpenMP runtime from the flags provided.
335  OpenMPRuntimeKind getOpenMPRuntime(const llvm::opt::ArgList &Args) const;
336 
337  /// @}
338  /// @name Primary Functionality
339  /// @{
340 
341  /// CreateOffloadingDeviceToolChains - create all the toolchains required to
342  /// support offloading devices given the programming models specified in the
343  /// current compilation. Also, update the host tool chain kind accordingly.
344  void CreateOffloadingDeviceToolChains(Compilation &C, InputList &Inputs);
345 
346  /// BuildCompilation - Construct a compilation object for a command
347  /// line argument vector.
348  ///
349  /// \return A compilation, or 0 if none was built for the given
350  /// argument vector. A null return value does not necessarily
351  /// indicate an error condition, the diagnostics should be queried
352  /// to determine if an error occurred.
353  Compilation *BuildCompilation(ArrayRef<const char *> Args);
354 
355  /// @name Driver Steps
356  /// @{
357 
358  /// ParseDriverMode - Look for and handle the driver mode option in Args.
359  void ParseDriverMode(StringRef ProgramName, ArrayRef<const char *> Args);
360 
361  /// ParseArgStrings - Parse the given list of strings into an
362  /// ArgList.
363  llvm::opt::InputArgList ParseArgStrings(ArrayRef<const char *> Args,
364  bool IsClCompatMode,
365  bool &ContainsError);
366 
367  /// BuildInputs - Construct the list of inputs and their types from
368  /// the given arguments.
369  ///
370  /// \param TC - The default host tool chain.
371  /// \param Args - The input arguments.
372  /// \param Inputs - The list to store the resulting compilation
373  /// inputs onto.
374  void BuildInputs(const ToolChain &TC, llvm::opt::DerivedArgList &Args,
375  InputList &Inputs) const;
376 
377  /// BuildActions - Construct the list of actions to perform for the
378  /// given arguments, which are only done for a single architecture.
379  ///
380  /// \param C - The compilation that is being built.
381  /// \param Args - The input arguments.
382  /// \param Actions - The list to store the resulting actions onto.
383  void BuildActions(Compilation &C, llvm::opt::DerivedArgList &Args,
384  const InputList &Inputs, ActionList &Actions) const;
385 
386  /// BuildUniversalActions - Construct the list of actions to perform
387  /// for the given arguments, which may require a universal build.
388  ///
389  /// \param C - The compilation that is being built.
390  /// \param TC - The default host tool chain.
391  void BuildUniversalActions(Compilation &C, const ToolChain &TC,
392  const InputList &BAInputs) const;
393 
394  /// Check that the file referenced by Value exists. If it doesn't,
395  /// issue a diagnostic and return false.
396  /// If TypoCorrect is true and the file does not exist, see if it looks
397  /// like a likely typo for a flag and if so print a "did you mean" blurb.
398  bool DiagnoseInputExistence(const llvm::opt::DerivedArgList &Args,
399  StringRef Value, types::ID Ty,
400  bool TypoCorrect) const;
401 
402  /// BuildJobs - Bind actions to concrete tools and translate
403  /// arguments to form the list of jobs to run.
404  ///
405  /// \param C - The compilation that is being built.
406  void BuildJobs(Compilation &C) const;
407 
408  /// ExecuteCompilation - Execute the compilation according to the command line
409  /// arguments and return an appropriate exit code.
410  ///
411  /// This routine handles additional processing that must be done in addition
412  /// to just running the subprocesses, for example reporting errors, setting
413  /// up response files, removing temporary files, etc.
414  int ExecuteCompilation(Compilation &C,
415  SmallVectorImpl< std::pair<int, const Command *> > &FailingCommands);
416 
417  /// Contains the files in the compilation diagnostic report generated by
418  /// generateCompilationDiagnostics.
421  };
422 
423  /// generateCompilationDiagnostics - Generate diagnostics information
424  /// including preprocessed source file(s).
425  ///
426  void generateCompilationDiagnostics(
427  Compilation &C, const Command &FailingCommand,
428  StringRef AdditionalInformation = "",
429  CompilationDiagnosticReport *GeneratedReport = nullptr);
430 
431  /// @}
432  /// @name Helper Methods
433  /// @{
434 
435  /// PrintActions - Print the list of actions.
436  void PrintActions(const Compilation &C) const;
437 
438  /// PrintHelp - Print the help text.
439  ///
440  /// \param ShowHidden - Show hidden options.
441  void PrintHelp(bool ShowHidden) const;
442 
443  /// PrintVersion - Print the driver version.
444  void PrintVersion(const Compilation &C, raw_ostream &OS) const;
445 
446  /// GetFilePath - Lookup \p Name in the list of file search paths.
447  ///
448  /// \param TC - The tool chain for additional information on
449  /// directories to search.
450  //
451  // FIXME: This should be in CompilationInfo.
452  std::string GetFilePath(StringRef Name, const ToolChain &TC) const;
453 
454  /// GetProgramPath - Lookup \p Name in the list of program search paths.
455  ///
456  /// \param TC - The provided tool chain for additional information on
457  /// directories to search.
458  //
459  // FIXME: This should be in CompilationInfo.
460  std::string GetProgramPath(StringRef Name, const ToolChain &TC) const;
461 
462  /// HandleAutocompletions - Handle --autocomplete by searching and printing
463  /// possible flags, descriptions, and its arguments.
464  void HandleAutocompletions(StringRef PassedFlags) const;
465 
466  /// HandleImmediateArgs - Handle any arguments which should be
467  /// treated before building actions or binding tools.
468  ///
469  /// \return Whether any compilation should be built for this
470  /// invocation.
471  bool HandleImmediateArgs(const Compilation &C);
472 
473  /// ConstructAction - Construct the appropriate action to do for
474  /// \p Phase on the \p Input, taking in to account arguments
475  /// like -fsyntax-only or --analyze.
476  Action *ConstructPhaseAction(
477  Compilation &C, const llvm::opt::ArgList &Args, phases::ID Phase,
478  Action *Input,
479  Action::OffloadKind TargetDeviceOffloadKind = Action::OFK_None) const;
480 
481  /// BuildJobsForAction - Construct the jobs to perform for the action \p A and
482  /// return an InputInfo for the result of running \p A. Will only construct
483  /// jobs for a given (Action, ToolChain, BoundArch, DeviceKind) tuple once.
484  InputInfo
485  BuildJobsForAction(Compilation &C, const Action *A, const ToolChain *TC,
486  StringRef BoundArch, bool AtTopLevel, bool MultipleArchs,
487  const char *LinkingOutput,
488  std::map<std::pair<const Action *, std::string>, InputInfo>
489  &CachedResults,
490  Action::OffloadKind TargetDeviceOffloadKind) const;
491 
492  /// Returns the default name for linked images (e.g., "a.out").
493  const char *getDefaultImageName() const;
494 
495  /// GetNamedOutputPath - Return the name to use for the output of
496  /// the action \p JA. The result is appended to the compilation's
497  /// list of temporary or result files, as appropriate.
498  ///
499  /// \param C - The compilation.
500  /// \param JA - The action of interest.
501  /// \param BaseInput - The original input file that this action was
502  /// triggered by.
503  /// \param BoundArch - The bound architecture.
504  /// \param AtTopLevel - Whether this is a "top-level" action.
505  /// \param MultipleArchs - Whether multiple -arch options were supplied.
506  /// \param NormalizedTriple - The normalized triple of the relevant target.
507  const char *GetNamedOutputPath(Compilation &C, const JobAction &JA,
508  const char *BaseInput, StringRef BoundArch,
509  bool AtTopLevel, bool MultipleArchs,
510  StringRef NormalizedTriple) const;
511 
512  /// GetTemporaryPath - Return the pathname of a temporary file to use
513  /// as part of compilation; the file will have the given prefix and suffix.
514  ///
515  /// GCC goes to extra lengths here to be a bit more robust.
516  std::string GetTemporaryPath(StringRef Prefix, StringRef Suffix) const;
517 
518  /// GetTemporaryDirectory - Return the pathname of a temporary directory to
519  /// use as part of compilation; the directory will have the given prefix.
520  std::string GetTemporaryDirectory(StringRef Prefix) const;
521 
522  /// Return the pathname of the pch file in clang-cl mode.
523  std::string GetClPchPath(Compilation &C, StringRef BaseName) const;
524 
525  /// ShouldUseClangCompiler - Should the clang compiler be used to
526  /// handle this action.
527  bool ShouldUseClangCompiler(const JobAction &JA) const;
528 
529  /// Returns true if we are performing any kind of LTO.
530  bool isUsingLTO() const { return LTOMode != LTOK_None; }
531 
532  /// Get the specific kind of LTO being performed.
533  LTOKind getLTOMode() const { return LTOMode; }
534 
535 private:
536 
537  /// Tries to load options from configuration file.
538  ///
539  /// \returns true if error occurred.
540  bool loadConfigFile();
541 
542  /// Read options from the specified file.
543  ///
544  /// \param [in] FileName File to read.
545  /// \returns true, if error occurred while reading.
546  bool readConfigFile(StringRef FileName);
547 
548  /// Set the driver mode (cl, gcc, etc) from an option string of the form
549  /// --driver-mode=<mode>.
550  void setDriverModeFromOption(StringRef Opt);
551 
552  /// Parse the \p Args list for LTO options and record the type of LTO
553  /// compilation based on which -f(no-)?lto(=.*)? option occurs last.
554  void setLTOMode(const llvm::opt::ArgList &Args);
555 
556  /// Retrieves a ToolChain for a particular \p Target triple.
557  ///
558  /// Will cache ToolChains for the life of the driver object, and create them
559  /// on-demand.
560  const ToolChain &getToolChain(const llvm::opt::ArgList &Args,
561  const llvm::Triple &Target) const;
562 
563  /// @}
564 
565  /// Get bitmasks for which option flags to include and exclude based on
566  /// the driver mode.
567  std::pair<unsigned, unsigned> getIncludeExcludeOptionFlagMasks(bool IsClCompatMode) const;
568 
569  /// Helper used in BuildJobsForAction. Doesn't use the cache when building
570  /// jobs specifically for the given action, but will use the cache when
571  /// building jobs for the Action's inputs.
572  InputInfo BuildJobsForActionNoCache(
573  Compilation &C, const Action *A, const ToolChain *TC, StringRef BoundArch,
574  bool AtTopLevel, bool MultipleArchs, const char *LinkingOutput,
575  std::map<std::pair<const Action *, std::string>, InputInfo>
576  &CachedResults,
577  Action::OffloadKind TargetDeviceOffloadKind) const;
578 
579 public:
580  /// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and
581  /// return the grouped values as integers. Numbers which are not
582  /// provided are set to 0.
583  ///
584  /// \return True if the entire string was parsed (9.2), or all
585  /// groups were parsed (10.3.5extrastuff). HadExtra is true if all
586  /// groups were parsed but extra characters remain at the end.
587  static bool GetReleaseVersion(StringRef Str, unsigned &Major, unsigned &Minor,
588  unsigned &Micro, bool &HadExtra);
589 
590  /// Parse digits from a string \p Str and fulfill \p Digits with
591  /// the parsed numbers. This method assumes that the max number of
592  /// digits to look for is equal to Digits.size().
593  ///
594  /// \return True if the entire string was parsed and there are
595  /// no extra characters remaining at the end.
596  static bool GetReleaseVersion(StringRef Str,
598  /// Compute the default -fmodule-cache-path.
599  static void getDefaultModuleCachePath(SmallVectorImpl<char> &Result);
600 };
601 
602 /// \return True if the last defined optimization level is -Ofast.
603 /// And False otherwise.
604 bool isOptimizationLevelFast(const llvm::opt::ArgList &Args);
605 
606 } // end namespace driver
607 } // end namespace clang
608 
609 #endif
ID
ID - Ordered values for successive stages in the compilation process which interact with user options...
Definition: Phases.h:17
prefix_list PrefixDirs
Definition: Driver.h:144
Specialize PointerLikeTypeTraits to allow LazyGenerationalUpdatePtr to be placed into a PointerUnion...
Definition: Dominators.h:30
unsigned CCPrintHeaders
Set CC_PRINT_HEADERS mode, which causes the frontend to log header include information to CCPrintHead...
Definition: Driver.h:192
bool isUsingLTO() const
Returns true if we are performing any kind of LTO.
Definition: Driver.h:530
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1297
std::string DyldPrefix
Dynamic loader prefix, if present.
Definition: Driver.h:150
bool embedBitcodeEnabled() const
Definition: Driver.h:330
std::string getTargetTriple() const
Definition: Driver.h:310
LTOKind getLTOMode() const
Get the specific kind of LTO being performed.
Definition: Driver.h:533
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:108
Contains the files in the compilation diagnostic report generated by generateCompilationDiagnostics.
Definition: Driver.h:419
bool embedBitcodeMarkerOnly() const
Definition: Driver.h:332
unsigned CCLogDiagnostics
Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics to CCLogDiagnosticsFilename...
Definition: Driver.h:197
const std::string & getTitle()
Definition: Driver.h:307
std::string Dir
The path the driver executable was in, as invoked from the command line.
Definition: Driver.h:119
Action - Represent an abstract compilation step to perform.
Definition: Action.h:47
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:149
bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
CompileCommand Cmd
void setTargetAndMode(const ParsedClangName &TM)
Definition: Driver.h:305
Defines the Diagnostic-related interfaces.
The LLVM OpenMP runtime.
Definition: Driver.h:94
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:57
An unknown OpenMP runtime.
Definition: Driver.h:90
const char * CCPrintOptionsFilename
The file to log CC_PRINT_OPTIONS output to, if enabled.
Definition: Driver.h:159
llvm::vfs::FileSystem & getVFS() const
Definition: Driver.h:299
std::string HostSystem
Definition: Driver.h:156
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:169
A little helper class used to produce diagnostics.
Definition: Diagnostic.h:1045
unsigned GenReproducer
Force clang to emit reproducer for driver invocation.
Definition: Driver.h:232
const DiagnosticsEngine & getDiags() const
Definition: Driver.h:297
bool isSaveTempsObj() const
Definition: Driver.h:328
const std::string & getConfigFile() const
Definition: Driver.h:293
bool IsCLMode() const
Whether the driver should follow cl.exe like behavior.
Definition: Driver.h:181
unsigned CCPrintOptions
Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to CCPrintOptionsFilename or to std...
Definition: Driver.h:188
void setCheckInputsExist(bool Value)
Definition: Driver.h:303
bool embedBitcodeInObject() const
Definition: Driver.h:331
Command - An executable path/name and argument vector to execute.
Definition: Job.h:41
std::string InstalledDir
The path to the installed clang directory, if any.
Definition: Driver.h:128
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:172
bool isSaveTempsEnabled() const
Definition: Driver.h:327
std::string UserConfigDir
User directory for config files.
Definition: Driver.h:137
void setTitle(std::string Value)
Definition: Driver.h:308
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:61
void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts, llvm::MemoryBufferRef Buf)
Dataflow Directional Tag Classes.
const char * CCPrintHeadersFilename
The file to log CC_PRINT_HEADERS output to, if enabled.
Definition: Driver.h:162
unsigned CCCPrintBindings
Only print tool bindings, don&#39;t build any jobs.
Definition: Driver.h:184
const std::string & getCCCGenericGCCName() const
Name to use when invoking gcc/g++.
Definition: Driver.h:291
std::string SysRoot
sysroot, if present
Definition: Driver.h:147
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
std::string Name
The name the driver was invoked as.
Definition: Driver.h:115
The GNU OpenMP runtime.
Definition: Driver.h:99
llvm::SmallVector< std::string, 4 > TemporaryFiles
Definition: Driver.h:420
ParsedClangName ClangNameParts
Target and driver mode components extracted from clang executable name.
Definition: Driver.h:125
bool getCheckInputsExist() const
Definition: Driver.h:301
const char * getInstalledDir() const
Get the path to where the clang executable was installed.
Definition: Driver.h:318
std::string ClangExecutable
The original path to the clang executable.
Definition: Driver.h:122
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
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:143
const char * CCLogDiagnosticsFilename
The file to log CC_LOG_DIAGNOSTICS output to, if enabled.
Definition: Driver.h:165
LTOKind
Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
Definition: Driver.h:48
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:295
const char * getClangProgramPath() const
Get the path to the main clang executable.
Definition: Driver.h:313
std::string DriverTitle
Driver title to use with help.
Definition: Driver.h:153
bool CCCIsCPP() const
Whether the driver is just the preprocessor.
Definition: Driver.h:175
void setInstalledDir(StringRef Value)
Definition: Driver.h:323
bool CCCIsCC() const
Whether the driver should follow gcc like behavior.
Definition: Driver.h:178
unsigned CCGenDiagnostics
Whether the driver is generating diagnostics for debugging purposes.
Definition: Driver.h:200
std::string SystemConfigDir
System directory for config files.
Definition: Driver.h:134
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88
std::string ResourceDir
The path to the compiler resource directory.
Definition: Driver.h:131