clang  6.0.0svn
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 
23 #include <list>
24 #include <map>
25 #include <string>
26 
27 namespace llvm {
28 class Triple;
29 
30 namespace opt {
31  class Arg;
32  class ArgList;
33  class DerivedArgList;
34  class InputArgList;
35  class OptTable;
36 }
37 }
38 
39 namespace clang {
40 
41 namespace vfs {
42 class FileSystem;
43 }
44 
45 namespace driver {
46 
47  class Command;
48  class Compilation;
49  class InputInfo;
50  class JobList;
51  class JobAction;
52  class SanitizerArgs;
53  class ToolChain;
54 
55 /// Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
56 enum LTOKind {
61 };
62 
63 /// Driver - Encapsulate logic for constructing compilation processes
64 /// from a set of gcc-driver-like command line arguments.
65 class Driver {
66  std::unique_ptr<llvm::opt::OptTable> Opts;
67 
68  DiagnosticsEngine &Diags;
69 
71 
72  enum DriverMode {
73  GCCMode,
74  GXXMode,
75  CPPMode,
76  CLMode
77  } Mode;
78 
79  enum SaveTempsMode {
80  SaveTempsNone,
81  SaveTempsCwd,
82  SaveTempsObj
83  } SaveTemps;
84 
85  enum BitcodeEmbedMode {
86  EmbedNone,
87  EmbedMarker,
89  } BitcodeEmbed;
90 
91  /// LTO mode selected via -f(no-)?lto(=.*)? options.
92  LTOKind LTOMode;
93 
94 public:
96  /// An unknown OpenMP runtime. We can't generate effective OpenMP code
97  /// without knowing what runtime to target.
99 
100  /// The LLVM OpenMP runtime. When completed and integrated, this will become
101  /// the default for Clang.
103 
104  /// The GNU OpenMP runtime. Clang doesn't support generating OpenMP code for
105  /// this runtime but can swallow the pragmas, and find and link against the
106  /// runtime library itself.
108 
109  /// The legacy name for the LLVM OpenMP runtime from when it was the Intel
110  /// OpenMP runtime. We support this mode for users with existing
111  /// dependencies on this runtime library name.
112  OMPRT_IOMP5
113  };
114 
115  // Diag - Forwarding function for diagnostics.
116  DiagnosticBuilder Diag(unsigned DiagID) const {
117  return Diags.Report(DiagID);
118  }
119 
120  // FIXME: Privatize once interface is stable.
121 public:
122  /// The name the driver was invoked as.
123  std::string Name;
124 
125  /// The path the driver executable was in, as invoked from the
126  /// command line.
127  std::string Dir;
128 
129  /// The original path to the clang executable.
130  std::string ClangExecutable;
131 
132  /// Target and driver mode components extracted from clang executable name.
134 
135  /// The path to the installed clang directory, if any.
136  std::string InstalledDir;
137 
138  /// The path to the compiler resource directory.
139  std::string ResourceDir;
140 
141  /// A prefix directory used to emulate a limited subset of GCC's '-Bprefix'
142  /// functionality.
143  /// FIXME: This type of customization should be removed in favor of the
144  /// universal driver when it is ready.
146  prefix_list PrefixDirs;
147 
148  /// sysroot, if present
149  std::string SysRoot;
150 
151  /// Dynamic loader prefix, if present
152  std::string DyldPrefix;
153 
154  /// Driver title to use with help.
155  std::string DriverTitle;
156 
157  /// Information about the host which can be overridden by the user.
158  std::string HostBits, HostMachine, HostSystem, HostRelease;
159 
160  /// The file to log CC_PRINT_OPTIONS output to, if enabled.
162 
163  /// The file to log CC_PRINT_HEADERS output to, if enabled.
165 
166  /// The file to log CC_LOG_DIAGNOSTICS output to, if enabled.
168 
169  /// A list of inputs and their types for the given arguments.
172 
173  /// Whether the driver should follow g++ like behavior.
174  bool CCCIsCXX() const { return Mode == GXXMode; }
175 
176  /// Whether the driver is just the preprocessor.
177  bool CCCIsCPP() const { return Mode == CPPMode; }
178 
179  /// Whether the driver should follow gcc like behavior.
180  bool CCCIsCC() const { return Mode == GCCMode; }
181 
182  /// Whether the driver should follow cl.exe like behavior.
183  bool IsCLMode() const { return Mode == CLMode; }
184 
185  /// Only print tool bindings, don't build any jobs.
186  unsigned CCCPrintBindings : 1;
187 
188  /// Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to
189  /// CCPrintOptionsFilename or to stderr.
190  unsigned CCPrintOptions : 1;
191 
192  /// Set CC_PRINT_HEADERS mode, which causes the frontend to log header include
193  /// information to CCPrintHeadersFilename or to stderr.
194  unsigned CCPrintHeaders : 1;
195 
196  /// Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics
197  /// to CCLogDiagnosticsFilename or to stderr, in a stable machine readable
198  /// format.
199  unsigned CCLogDiagnostics : 1;
200 
201  /// Whether the driver is generating diagnostics for debugging purposes.
202  unsigned CCGenDiagnostics : 1;
203 
204 private:
205  /// Default target triple.
206  std::string DefaultTargetTriple;
207 
208  /// Name to use when invoking gcc/g++.
209  std::string CCCGenericGCCName;
210 
211  /// Whether to check that input files exist when constructing compilation
212  /// jobs.
213  unsigned CheckInputsExist : 1;
214 
215 public:
216  /// Use lazy precompiled headers for PCH support.
217  unsigned CCCUsePCH : 1;
218 
219  /// Force clang to emit reproducer for driver invocation. This is enabled
220  /// indirectly by setting FORCE_CLANG_DIAGNOSTICS_CRASH environment variable
221  /// or when using the -gen-reproducer driver flag.
222  unsigned GenReproducer : 1;
223 
224 private:
225  /// Certain options suppress the 'no input files' warning.
226  unsigned SuppressMissingInputWarning : 1;
227 
228  std::list<std::string> TempFiles;
229  std::list<std::string> ResultFiles;
230 
231  /// \brief Cache of all the ToolChains in use by the driver.
232  ///
233  /// This maps from the string representation of a triple to a ToolChain
234  /// created targeting that triple. The driver owns all the ToolChain objects
235  /// stored in it, and will clean them up when torn down.
236  mutable llvm::StringMap<std::unique_ptr<ToolChain>> ToolChains;
237 
238 private:
239  /// TranslateInputArgs - Create a new derived argument list from the input
240  /// arguments, after applying the standard argument translations.
241  llvm::opt::DerivedArgList *
242  TranslateInputArgs(const llvm::opt::InputArgList &Args) const;
243 
244  // getFinalPhase - Determine which compilation mode we are in and record
245  // which option we used to determine the final phase.
246  phases::ID getFinalPhase(const llvm::opt::DerivedArgList &DAL,
247  llvm::opt::Arg **FinalPhaseArg = nullptr) const;
248 
249  // Before executing jobs, sets up response files for commands that need them.
250  void setUpResponseFiles(Compilation &C, Command &Cmd);
251 
252  void generatePrefixedToolNames(StringRef Tool, const ToolChain &TC,
253  SmallVectorImpl<std::string> &Names) const;
254 
255  /// \brief Find the appropriate .crash diagonostic file for the child crash
256  /// under this driver and copy it out to a temporary destination with the
257  /// other reproducer related files (.sh, .cache, etc). If not found, suggest a
258  /// directory for the user to look at.
259  ///
260  /// \param ReproCrashFilename The file path to copy the .crash to.
261  /// \param CrashDiagDir The suggested directory for the user to look at
262  /// in case the search or copy fails.
263  ///
264  /// \returns If the .crash is found and successfully copied return true,
265  /// otherwise false and return the suggested directory in \p CrashDiagDir.
266  bool getCrashDiagnosticFile(StringRef ReproCrashFilename,
267  SmallString<128> &CrashDiagDir);
268 
269 public:
270  Driver(StringRef ClangExecutable, StringRef DefaultTargetTriple,
271  DiagnosticsEngine &Diags,
273 
274  /// @name Accessors
275  /// @{
276 
277  /// Name to use when invoking gcc/g++.
278  const std::string &getCCCGenericGCCName() const { return CCCGenericGCCName; }
279 
280  const llvm::opt::OptTable &getOpts() const { return *Opts; }
281 
282  const DiagnosticsEngine &getDiags() const { return Diags; }
283 
284  vfs::FileSystem &getVFS() const { return *VFS; }
285 
286  bool getCheckInputsExist() const { return CheckInputsExist; }
287 
288  void setCheckInputsExist(bool Value) { CheckInputsExist = Value; }
289 
290  void setTargetAndMode(const ParsedClangName &TM) { ClangNameParts = TM; }
291 
292  const std::string &getTitle() { return DriverTitle; }
293  void setTitle(std::string Value) { DriverTitle = std::move(Value); }
294 
295  /// \brief Get the path to the main clang executable.
296  const char *getClangProgramPath() const {
297  return ClangExecutable.c_str();
298  }
299 
300  /// \brief Get the path to where the clang executable was installed.
301  const char *getInstalledDir() const {
302  if (!InstalledDir.empty())
303  return InstalledDir.c_str();
304  return Dir.c_str();
305  }
306  void setInstalledDir(StringRef Value) {
307  InstalledDir = Value;
308  }
309 
310  bool isSaveTempsEnabled() const { return SaveTemps != SaveTempsNone; }
311  bool isSaveTempsObj() const { return SaveTemps == SaveTempsObj; }
312 
313  bool embedBitcodeEnabled() const { return BitcodeEmbed != EmbedNone; }
314  bool embedBitcodeInObject() const { return (BitcodeEmbed == EmbedBitcode); }
315  bool embedBitcodeMarkerOnly() const { return (BitcodeEmbed == EmbedMarker); }
316 
317  /// Compute the desired OpenMP runtime from the flags provided.
318  OpenMPRuntimeKind getOpenMPRuntime(const llvm::opt::ArgList &Args) const;
319 
320  /// @}
321  /// @name Primary Functionality
322  /// @{
323 
324  /// CreateOffloadingDeviceToolChains - create all the toolchains required to
325  /// support offloading devices given the programming models specified in the
326  /// current compilation. Also, update the host tool chain kind accordingly.
327  void CreateOffloadingDeviceToolChains(Compilation &C, InputList &Inputs);
328 
329  /// BuildCompilation - Construct a compilation object for a command
330  /// line argument vector.
331  ///
332  /// \return A compilation, or 0 if none was built for the given
333  /// argument vector. A null return value does not necessarily
334  /// indicate an error condition, the diagnostics should be queried
335  /// to determine if an error occurred.
336  Compilation *BuildCompilation(ArrayRef<const char *> Args);
337 
338  /// @name Driver Steps
339  /// @{
340 
341  /// ParseDriverMode - Look for and handle the driver mode option in Args.
342  void ParseDriverMode(StringRef ProgramName, ArrayRef<const char *> Args);
343 
344  /// ParseArgStrings - Parse the given list of strings into an
345  /// ArgList.
346  llvm::opt::InputArgList ParseArgStrings(ArrayRef<const char *> Args,
347  bool &ContainsError);
348 
349  /// BuildInputs - Construct the list of inputs and their types from
350  /// the given arguments.
351  ///
352  /// \param TC - The default host tool chain.
353  /// \param Args - The input arguments.
354  /// \param Inputs - The list to store the resulting compilation
355  /// inputs onto.
356  void BuildInputs(const ToolChain &TC, llvm::opt::DerivedArgList &Args,
357  InputList &Inputs) const;
358 
359  /// BuildActions - Construct the list of actions to perform for the
360  /// given arguments, which are only done for a single architecture.
361  ///
362  /// \param C - The compilation that is being built.
363  /// \param Args - The input arguments.
364  /// \param Actions - The list to store the resulting actions onto.
365  void BuildActions(Compilation &C, llvm::opt::DerivedArgList &Args,
366  const InputList &Inputs, ActionList &Actions) const;
367 
368  /// BuildUniversalActions - Construct the list of actions to perform
369  /// for the given arguments, which may require a universal build.
370  ///
371  /// \param C - The compilation that is being built.
372  /// \param TC - The default host tool chain.
373  void BuildUniversalActions(Compilation &C, const ToolChain &TC,
374  const InputList &BAInputs) const;
375 
376  /// BuildJobs - Bind actions to concrete tools and translate
377  /// arguments to form the list of jobs to run.
378  ///
379  /// \param C - The compilation that is being built.
380  void BuildJobs(Compilation &C) const;
381 
382  /// ExecuteCompilation - Execute the compilation according to the command line
383  /// arguments and return an appropriate exit code.
384  ///
385  /// This routine handles additional processing that must be done in addition
386  /// to just running the subprocesses, for example reporting errors, setting
387  /// up response files, removing temporary files, etc.
388  int ExecuteCompilation(Compilation &C,
389  SmallVectorImpl< std::pair<int, const Command *> > &FailingCommands);
390 
391  /// generateCompilationDiagnostics - Generate diagnostics information
392  /// including preprocessed source file(s).
393  ///
394  void generateCompilationDiagnostics(Compilation &C,
395  const Command &FailingCommand);
396 
397  /// @}
398  /// @name Helper Methods
399  /// @{
400 
401  /// PrintActions - Print the list of actions.
402  void PrintActions(const Compilation &C) const;
403 
404  /// PrintHelp - Print the help text.
405  ///
406  /// \param ShowHidden - Show hidden options.
407  void PrintHelp(bool ShowHidden) const;
408 
409  /// PrintVersion - Print the driver version.
410  void PrintVersion(const Compilation &C, raw_ostream &OS) const;
411 
412  /// GetFilePath - Lookup \p Name in the list of file search paths.
413  ///
414  /// \param TC - The tool chain for additional information on
415  /// directories to search.
416  //
417  // FIXME: This should be in CompilationInfo.
418  std::string GetFilePath(StringRef Name, const ToolChain &TC) const;
419 
420  /// GetProgramPath - Lookup \p Name in the list of program search paths.
421  ///
422  /// \param TC - The provided tool chain for additional information on
423  /// directories to search.
424  //
425  // FIXME: This should be in CompilationInfo.
426  std::string GetProgramPath(StringRef Name, const ToolChain &TC) const;
427 
428  /// handleAutocompletions - Handle --autocomplete by searching and printing
429  /// possible flags, descriptions, and its arguments.
430  void handleAutocompletions(StringRef PassedFlags) const;
431 
432  /// HandleImmediateArgs - Handle any arguments which should be
433  /// treated before building actions or binding tools.
434  ///
435  /// \return Whether any compilation should be built for this
436  /// invocation.
437  bool HandleImmediateArgs(const Compilation &C);
438 
439  /// ConstructAction - Construct the appropriate action to do for
440  /// \p Phase on the \p Input, taking in to account arguments
441  /// like -fsyntax-only or --analyze.
442  Action *ConstructPhaseAction(Compilation &C, const llvm::opt::ArgList &Args,
443  phases::ID Phase, Action *Input) const;
444 
445  /// BuildJobsForAction - Construct the jobs to perform for the action \p A and
446  /// return an InputInfo for the result of running \p A. Will only construct
447  /// jobs for a given (Action, ToolChain, BoundArch, DeviceKind) tuple once.
448  InputInfo
449  BuildJobsForAction(Compilation &C, const Action *A, const ToolChain *TC,
450  StringRef BoundArch, bool AtTopLevel, bool MultipleArchs,
451  const char *LinkingOutput,
452  std::map<std::pair<const Action *, std::string>, InputInfo>
453  &CachedResults,
454  Action::OffloadKind TargetDeviceOffloadKind) const;
455 
456  /// Returns the default name for linked images (e.g., "a.out").
457  const char *getDefaultImageName() const;
458 
459  /// GetNamedOutputPath - Return the name to use for the output of
460  /// the action \p JA. The result is appended to the compilation's
461  /// list of temporary or result files, as appropriate.
462  ///
463  /// \param C - The compilation.
464  /// \param JA - The action of interest.
465  /// \param BaseInput - The original input file that this action was
466  /// triggered by.
467  /// \param BoundArch - The bound architecture.
468  /// \param AtTopLevel - Whether this is a "top-level" action.
469  /// \param MultipleArchs - Whether multiple -arch options were supplied.
470  /// \param NormalizedTriple - The normalized triple of the relevant target.
471  const char *GetNamedOutputPath(Compilation &C, const JobAction &JA,
472  const char *BaseInput, StringRef BoundArch,
473  bool AtTopLevel, bool MultipleArchs,
474  StringRef NormalizedTriple) const;
475 
476  /// GetTemporaryPath - Return the pathname of a temporary file to use
477  /// as part of compilation; the file will have the given prefix and suffix.
478  ///
479  /// GCC goes to extra lengths here to be a bit more robust.
480  std::string GetTemporaryPath(StringRef Prefix, StringRef Suffix) const;
481 
482  /// Return the pathname of the pch file in clang-cl mode.
483  std::string GetClPchPath(Compilation &C, StringRef BaseName) const;
484 
485  /// ShouldUseClangCompiler - Should the clang compiler be used to
486  /// handle this action.
487  bool ShouldUseClangCompiler(const JobAction &JA) const;
488 
489  /// Returns true if we are performing any kind of LTO.
490  bool isUsingLTO() const { return LTOMode != LTOK_None; }
491 
492  /// Get the specific kind of LTO being performed.
493  LTOKind getLTOMode() const { return LTOMode; }
494 
495 private:
496  /// Set the driver mode (cl, gcc, etc) from an option string of the form
497  /// --driver-mode=<mode>.
498  void setDriverModeFromOption(StringRef Opt);
499 
500  /// Parse the \p Args list for LTO options and record the type of LTO
501  /// compilation based on which -f(no-)?lto(=.*)? option occurs last.
502  void setLTOMode(const llvm::opt::ArgList &Args);
503 
504  /// \brief Retrieves a ToolChain for a particular \p Target triple.
505  ///
506  /// Will cache ToolChains for the life of the driver object, and create them
507  /// on-demand.
508  const ToolChain &getToolChain(const llvm::opt::ArgList &Args,
509  const llvm::Triple &Target) const;
510 
511  /// @}
512 
513  /// \brief Get bitmasks for which option flags to include and exclude based on
514  /// the driver mode.
515  std::pair<unsigned, unsigned> getIncludeExcludeOptionFlagMasks() const;
516 
517  /// Helper used in BuildJobsForAction. Doesn't use the cache when building
518  /// jobs specifically for the given action, but will use the cache when
519  /// building jobs for the Action's inputs.
520  InputInfo BuildJobsForActionNoCache(
521  Compilation &C, const Action *A, const ToolChain *TC, StringRef BoundArch,
522  bool AtTopLevel, bool MultipleArchs, const char *LinkingOutput,
523  std::map<std::pair<const Action *, std::string>, InputInfo>
524  &CachedResults,
525  Action::OffloadKind TargetDeviceOffloadKind) const;
526 
527 public:
528  /// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and
529  /// return the grouped values as integers. Numbers which are not
530  /// provided are set to 0.
531  ///
532  /// \return True if the entire string was parsed (9.2), or all
533  /// groups were parsed (10.3.5extrastuff). HadExtra is true if all
534  /// groups were parsed but extra characters remain at the end.
535  static bool GetReleaseVersion(StringRef Str, unsigned &Major, unsigned &Minor,
536  unsigned &Micro, bool &HadExtra);
537 
538  /// Parse digits from a string \p Str and fulfill \p Digits with
539  /// the parsed numbers. This method assumes that the max number of
540  /// digits to look for is equal to Digits.size().
541  ///
542  /// \return True if the entire string was parsed and there are
543  /// no extra characters remaining at the end.
544  static bool GetReleaseVersion(StringRef Str,
546 };
547 
548 /// \return True if the last defined optimization level is -Ofast.
549 /// And False otherwise.
550 bool isOptimizationLevelFast(const llvm::opt::ArgList &Args);
551 
552 } // end namespace driver
553 } // end namespace clang
554 
555 #endif
ID
ID - Ordered values for successive stages in the compilation process which interact with user options...
Definition: Phases.h:18
prefix_list PrefixDirs
Definition: Driver.h:146
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
Definition: Dominators.h:26
unsigned CCPrintHeaders
Set CC_PRINT_HEADERS mode, which causes the frontend to log header include information to CCPrintHead...
Definition: Driver.h:194
unsigned CCCUsePCH
Use lazy precompiled headers for PCH support.
Definition: Driver.h:217
bool isUsingLTO() const
Returns true if we are performing any kind of LTO.
Definition: Driver.h:490
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1207
std::string DyldPrefix
Dynamic loader prefix, if present.
Definition: Driver.h:152
bool embedBitcodeEnabled() const
Definition: Driver.h:313
LTOKind getLTOMode() const
Get the specific kind of LTO being performed.
Definition: Driver.h:493
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:116
The virtual file system interface.
bool embedBitcodeMarkerOnly() const
Definition: Driver.h:315
unsigned CCLogDiagnostics
Set CC_LOG_DIAGNOSTICS mode, which causes the frontend to log diagnostics to CCLogDiagnosticsFilename...
Definition: Driver.h:199
const std::string & getTitle()
Definition: Driver.h:292
std::string Dir
The path the driver executable was in, as invoked from the command line.
Definition: Driver.h:127
Action - Represent an abstract compilation step to perform.
Definition: Action.h:45
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:23
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:147
bool isOptimizationLevelFast(const llvm::opt::ArgList &Args)
void setTargetAndMode(const ParsedClangName &TM)
Definition: Driver.h:290
Defines the Diagnostic-related interfaces.
The LLVM OpenMP runtime.
Definition: Driver.h:102
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:65
An unknown OpenMP runtime.
Definition: Driver.h:98
const char * CCPrintOptionsFilename
The file to log CC_PRINT_OPTIONS output to, if enabled.
Definition: Driver.h:161
std::string HostSystem
Definition: Driver.h:158
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:171
A little helper class used to produce diagnostics.
Definition: Diagnostic.h:955
unsigned GenReproducer
Force clang to emit reproducer for driver invocation.
Definition: Driver.h:222
const DiagnosticsEngine & getDiags() const
Definition: Driver.h:282
bool isSaveTempsObj() const
Definition: Driver.h:311
bool IsCLMode() const
Whether the driver should follow cl.exe like behavior.
Definition: Driver.h:183
unsigned CCPrintOptions
Set CC_PRINT_OPTIONS mode, which is like -v but logs the commands to CCPrintOptionsFilename or to std...
Definition: Driver.h:190
void setCheckInputsExist(bool Value)
Definition: Driver.h:288
bool embedBitcodeInObject() const
Definition: Driver.h:314
Command - An executable path/name and argument vector to execute.
Definition: Job.h:44
vfs::FileSystem & getVFS() const
Definition: Driver.h:284
std::string InstalledDir
The path to the installed clang directory, if any.
Definition: Driver.h:136
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:174
bool isSaveTempsEnabled() const
Definition: Driver.h:310
void setTitle(std::string Value)
Definition: Driver.h:293
Helper structure used to pass information extracted from clang executable name such as i686-linux-and...
Definition: ToolChain.h:53
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:164
unsigned CCCPrintBindings
Only print tool bindings, don&#39;t build any jobs.
Definition: Driver.h:186
const std::string & getCCCGenericGCCName() const
Name to use when invoking gcc/g++.
Definition: Driver.h:278
std::string SysRoot
sysroot, if present
Definition: Driver.h:149
Tool - Information on a specific compilation tool.
Definition: Tool.h:34
std::string Name
The name the driver was invoked as.
Definition: Driver.h:123
The GNU OpenMP runtime.
Definition: Driver.h:107
ParsedClangName ClangNameParts
Target and driver mode components extracted from clang executable name.
Definition: Driver.h:133
bool getCheckInputsExist() const
Definition: Driver.h:286
const char * getInstalledDir() const
Get the path to where the clang executable was installed.
Definition: Driver.h:301
std::string ClangExecutable
The original path to the clang executable.
Definition: Driver.h:130
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:34
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:145
const char * CCLogDiagnosticsFilename
The file to log CC_LOG_DIAGNOSTICS output to, if enabled.
Definition: Driver.h:167
LTOKind
Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
Definition: Driver.h:56
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:280
const char * getClangProgramPath() const
Get the path to the main clang executable.
Definition: Driver.h:296
std::string DriverTitle
Driver title to use with help.
Definition: Driver.h:155
bool CCCIsCPP() const
Whether the driver is just the preprocessor.
Definition: Driver.h:177
void setInstalledDir(StringRef Value)
Definition: Driver.h:306
bool CCCIsCC() const
Whether the driver should follow gcc like behavior.
Definition: Driver.h:180
unsigned CCGenDiagnostics
Whether the driver is generating diagnostics for debugging purposes.
Definition: Driver.h:202
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:73
std::string ResourceDir
The path to the compiler resource directory.
Definition: Driver.h:139