clang  7.0.0svn
Hexagon.cpp
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1 //===--- Hexagon.cpp - Hexagon ToolChain Implementations --------*- 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 #include "Hexagon.h"
11 #include "InputInfo.h"
12 #include "CommonArgs.h"
14 #include "clang/Config/config.h"
16 #include "clang/Driver/Driver.h"
18 #include "clang/Driver/Options.h"
19 #include "llvm/ADT/StringExtras.h"
20 #include "llvm/Option/ArgList.h"
21 #include "llvm/Support/FileSystem.h"
22 #include "llvm/Support/Path.h"
23 
24 using namespace clang::driver;
25 using namespace clang::driver::tools;
26 using namespace clang::driver::toolchains;
27 using namespace clang;
28 using namespace llvm::opt;
29 
30 // Default hvx-length for various versions.
31 static StringRef getDefaultHvxLength(StringRef Cpu) {
32  return llvm::StringSwitch<StringRef>(Cpu)
33  .Case("v60", "64b")
34  .Case("v62", "64b")
35  .Case("v65", "64b")
36  .Default("128b");
37 }
38 
39 static void handleHVXWarnings(const Driver &D, const ArgList &Args) {
40  // Handle deprecated HVX double warnings.
41  if (Arg *A = Args.getLastArg(options::OPT_mhexagon_hvx_double))
42  D.Diag(diag::warn_drv_deprecated_arg)
43  << A->getAsString(Args) << "-mhvx-length=128B";
44  if (Arg *A = Args.getLastArg(options::OPT_mno_hexagon_hvx_double))
45  D.Diag(diag::warn_drv_deprecated_arg) << A->getAsString(Args) << "-mno-hvx";
46  // Handle the unsupported values passed to mhvx-length.
47  if (Arg *A = Args.getLastArg(options::OPT_mhexagon_hvx_length_EQ)) {
48  StringRef Val = A->getValue();
49  if (!Val.equals_lower("64b") && !Val.equals_lower("128b"))
50  D.Diag(diag::err_drv_unsupported_option_argument)
51  << A->getOption().getName() << Val;
52  }
53 }
54 
55 // Handle hvx target features explicitly.
56 static void handleHVXTargetFeatures(const Driver &D, const ArgList &Args,
57  std::vector<StringRef> &Features,
58  bool &HasHVX) {
59  // Handle HVX warnings.
60  handleHVXWarnings(D, Args);
61 
62  // Add the +hvx* features based on commandline flags.
63  StringRef HVXFeature, HVXLength;
65 
66  // Handle -mhvx, -mhvx=, -mno-hvx, -mno-hvx-double.
67  if (Arg *A = Args.getLastArg(
68  options::OPT_mno_hexagon_hvx, options::OPT_mno_hexagon_hvx_double,
69  options::OPT_mhexagon_hvx, options::OPT_mhexagon_hvx_EQ)) {
70  if (A->getOption().matches(options::OPT_mno_hexagon_hvx) ||
71  A->getOption().matches(options::OPT_mno_hexagon_hvx_double)) {
72  return;
73  } else if (A->getOption().matches(options::OPT_mhexagon_hvx_EQ)) {
74  HasHVX = true;
75  HVXFeature = Cpu = A->getValue();
76  HVXFeature = Args.MakeArgString(llvm::Twine("+hvx") + HVXFeature.lower());
77  } else if (A->getOption().matches(options::OPT_mhexagon_hvx)) {
78  HasHVX = true;
79  HVXFeature = Args.MakeArgString(llvm::Twine("+hvx") + Cpu);
80  }
81  Features.push_back(HVXFeature);
82  }
83 
84  // Handle -mhvx-length=, -mhvx-double.
85  if (Arg *A = Args.getLastArg(options::OPT_mhexagon_hvx_length_EQ,
86  options::OPT_mhexagon_hvx_double)) {
87  // These falgs are valid only if HVX in enabled.
88  if (!HasHVX)
89  D.Diag(diag::err_drv_invalid_hvx_length);
90  else if (A->getOption().matches(options::OPT_mhexagon_hvx_length_EQ))
91  HVXLength = A->getValue();
92  else if (A->getOption().matches(options::OPT_mhexagon_hvx_double))
93  HVXLength = "128b";
94  }
95  // Default hvx-length based on Cpu.
96  else if (HasHVX)
97  HVXLength = getDefaultHvxLength(Cpu);
98 
99  if (!HVXLength.empty()) {
100  HVXFeature =
101  Args.MakeArgString(llvm::Twine("+hvx-length") + HVXLength.lower());
102  Features.push_back(HVXFeature);
103  }
104 }
105 
106 // Hexagon target features.
107 void hexagon::getHexagonTargetFeatures(const Driver &D, const ArgList &Args,
108  std::vector<StringRef> &Features) {
109  handleTargetFeaturesGroup(Args, Features,
110  options::OPT_m_hexagon_Features_Group);
111 
112  bool UseLongCalls = false;
113  if (Arg *A = Args.getLastArg(options::OPT_mlong_calls,
114  options::OPT_mno_long_calls)) {
115  if (A->getOption().matches(options::OPT_mlong_calls))
116  UseLongCalls = true;
117  }
118 
119  Features.push_back(UseLongCalls ? "+long-calls" : "-long-calls");
120 
121  bool HasHVX(false);
122  handleHVXTargetFeatures(D, Args, Features, HasHVX);
123 }
124 
125 // Hexagon tools start.
127  ArgStringList &CmdArgs) const {
128 }
129 
131  const InputInfo &Output,
132  const InputInfoList &Inputs,
133  const ArgList &Args,
134  const char *LinkingOutput) const {
135  claimNoWarnArgs(Args);
136 
137  auto &HTC = static_cast<const toolchains::HexagonToolChain&>(getToolChain());
138  const Driver &D = HTC.getDriver();
139  ArgStringList CmdArgs;
140 
141  CmdArgs.push_back("-march=hexagon");
142 
143  RenderExtraToolArgs(JA, CmdArgs);
144 
145  const char *AsName = "hexagon-llvm-mc";
146  CmdArgs.push_back("-filetype=obj");
147  CmdArgs.push_back(Args.MakeArgString(
148  "-mcpu=hexagon" +
150 
151  if (Output.isFilename()) {
152  CmdArgs.push_back("-o");
153  CmdArgs.push_back(Output.getFilename());
154  } else {
155  assert(Output.isNothing() && "Unexpected output");
156  CmdArgs.push_back("-fsyntax-only");
157  }
158 
160  CmdArgs.push_back(Args.MakeArgString("-gpsize=" + Twine(G.getValue())));
161  }
162 
163  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
164 
165  // Only pass -x if gcc will understand it; otherwise hope gcc
166  // understands the suffix correctly. The main use case this would go
167  // wrong in is for linker inputs if they happened to have an odd
168  // suffix; really the only way to get this to happen is a command
169  // like '-x foobar a.c' which will treat a.c like a linker input.
170  //
171  // FIXME: For the linker case specifically, can we safely convert
172  // inputs into '-Wl,' options?
173  for (const auto &II : Inputs) {
174  // Don't try to pass LLVM or AST inputs to a generic gcc.
175  if (types::isLLVMIR(II.getType()))
176  D.Diag(clang::diag::err_drv_no_linker_llvm_support)
177  << HTC.getTripleString();
178  else if (II.getType() == types::TY_AST)
179  D.Diag(clang::diag::err_drv_no_ast_support)
180  << HTC.getTripleString();
181  else if (II.getType() == types::TY_ModuleFile)
182  D.Diag(diag::err_drv_no_module_support)
183  << HTC.getTripleString();
184 
185  if (II.isFilename())
186  CmdArgs.push_back(II.getFilename());
187  else
188  // Don't render as input, we need gcc to do the translations.
189  // FIXME: What is this?
190  II.getInputArg().render(Args, CmdArgs);
191  }
192 
193  auto *Exec = Args.MakeArgString(HTC.GetProgramPath(AsName));
194  C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
195 }
196 
198  ArgStringList &CmdArgs) const {
199 }
200 
201 static void
203  const toolchains::HexagonToolChain &HTC,
204  const InputInfo &Output, const InputInfoList &Inputs,
205  const ArgList &Args, ArgStringList &CmdArgs,
206  const char *LinkingOutput) {
207 
208  const Driver &D = HTC.getDriver();
209 
210  //----------------------------------------------------------------------------
211  //
212  //----------------------------------------------------------------------------
213  bool IsStatic = Args.hasArg(options::OPT_static);
214  bool IsShared = Args.hasArg(options::OPT_shared);
215  bool IsPIE = Args.hasArg(options::OPT_pie);
216  bool IncStdLib = !Args.hasArg(options::OPT_nostdlib);
217  bool IncStartFiles = !Args.hasArg(options::OPT_nostartfiles);
218  bool IncDefLibs = !Args.hasArg(options::OPT_nodefaultlibs);
219  bool UseG0 = false;
220  bool UseShared = IsShared && !IsStatic;
221 
222  //----------------------------------------------------------------------------
223  // Silence warnings for various options
224  //----------------------------------------------------------------------------
225  Args.ClaimAllArgs(options::OPT_g_Group);
226  Args.ClaimAllArgs(options::OPT_emit_llvm);
227  Args.ClaimAllArgs(options::OPT_w); // Other warning options are already
228  // handled somewhere else.
229  Args.ClaimAllArgs(options::OPT_static_libgcc);
230 
231  //----------------------------------------------------------------------------
232  //
233  //----------------------------------------------------------------------------
234  if (Args.hasArg(options::OPT_s))
235  CmdArgs.push_back("-s");
236 
237  if (Args.hasArg(options::OPT_r))
238  CmdArgs.push_back("-r");
239 
240  for (const auto &Opt : HTC.ExtraOpts)
241  CmdArgs.push_back(Opt.c_str());
242 
243  CmdArgs.push_back("-march=hexagon");
244  StringRef CpuVer = toolchains::HexagonToolChain::GetTargetCPUVersion(Args);
245  CmdArgs.push_back(Args.MakeArgString("-mcpu=hexagon" + CpuVer));
246 
247  if (IsShared) {
248  CmdArgs.push_back("-shared");
249  // The following should be the default, but doing as hexagon-gcc does.
250  CmdArgs.push_back("-call_shared");
251  }
252 
253  if (IsStatic)
254  CmdArgs.push_back("-static");
255 
256  if (IsPIE && !IsShared)
257  CmdArgs.push_back("-pie");
258 
260  CmdArgs.push_back(Args.MakeArgString("-G" + Twine(G.getValue())));
261  UseG0 = G.getValue() == 0;
262  }
263 
264  //----------------------------------------------------------------------------
265  //
266  //----------------------------------------------------------------------------
267  CmdArgs.push_back("-o");
268  CmdArgs.push_back(Output.getFilename());
269 
270  //----------------------------------------------------------------------------
271  // moslib
272  //----------------------------------------------------------------------------
273  std::vector<std::string> OsLibs;
274  bool HasStandalone = false;
275 
276  for (const Arg *A : Args.filtered(options::OPT_moslib_EQ)) {
277  A->claim();
278  OsLibs.emplace_back(A->getValue());
279  HasStandalone = HasStandalone || (OsLibs.back() == "standalone");
280  }
281  if (OsLibs.empty()) {
282  OsLibs.push_back("standalone");
283  HasStandalone = true;
284  }
285 
286  //----------------------------------------------------------------------------
287  // Start Files
288  //----------------------------------------------------------------------------
289  const std::string MCpuSuffix = "/" + CpuVer.str();
290  const std::string MCpuG0Suffix = MCpuSuffix + "/G0";
291  const std::string RootDir =
293  const std::string StartSubDir =
294  "hexagon/lib" + (UseG0 ? MCpuG0Suffix : MCpuSuffix);
295 
296  auto Find = [&HTC] (const std::string &RootDir, const std::string &SubDir,
297  const char *Name) -> std::string {
298  std::string RelName = SubDir + Name;
299  std::string P = HTC.GetFilePath(RelName.c_str());
300  if (llvm::sys::fs::exists(P))
301  return P;
302  return RootDir + RelName;
303  };
304 
305  if (IncStdLib && IncStartFiles) {
306  if (!IsShared) {
307  if (HasStandalone) {
308  std::string Crt0SA = Find(RootDir, StartSubDir, "/crt0_standalone.o");
309  CmdArgs.push_back(Args.MakeArgString(Crt0SA));
310  }
311  std::string Crt0 = Find(RootDir, StartSubDir, "/crt0.o");
312  CmdArgs.push_back(Args.MakeArgString(Crt0));
313  }
314  std::string Init = UseShared
315  ? Find(RootDir, StartSubDir + "/pic", "/initS.o")
316  : Find(RootDir, StartSubDir, "/init.o");
317  CmdArgs.push_back(Args.MakeArgString(Init));
318  }
319 
320  //----------------------------------------------------------------------------
321  // Library Search Paths
322  //----------------------------------------------------------------------------
323  const ToolChain::path_list &LibPaths = HTC.getFilePaths();
324  for (const auto &LibPath : LibPaths)
325  CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + LibPath));
326 
327  //----------------------------------------------------------------------------
328  //
329  //----------------------------------------------------------------------------
330  Args.AddAllArgs(CmdArgs,
331  {options::OPT_T_Group, options::OPT_e, options::OPT_s,
332  options::OPT_t, options::OPT_u_Group});
333 
334  AddLinkerInputs(HTC, Inputs, Args, CmdArgs, JA);
335 
336  //----------------------------------------------------------------------------
337  // Libraries
338  //----------------------------------------------------------------------------
339  if (IncStdLib && IncDefLibs) {
340  if (D.CCCIsCXX()) {
341  if (HTC.ShouldLinkCXXStdlib(Args))
342  HTC.AddCXXStdlibLibArgs(Args, CmdArgs);
343  CmdArgs.push_back("-lm");
344  }
345 
346  CmdArgs.push_back("--start-group");
347 
348  if (!IsShared) {
349  for (StringRef Lib : OsLibs)
350  CmdArgs.push_back(Args.MakeArgString("-l" + Lib));
351  CmdArgs.push_back("-lc");
352  }
353  CmdArgs.push_back("-lgcc");
354 
355  CmdArgs.push_back("--end-group");
356  }
357 
358  //----------------------------------------------------------------------------
359  // End files
360  //----------------------------------------------------------------------------
361  if (IncStdLib && IncStartFiles) {
362  std::string Fini = UseShared
363  ? Find(RootDir, StartSubDir + "/pic", "/finiS.o")
364  : Find(RootDir, StartSubDir, "/fini.o");
365  CmdArgs.push_back(Args.MakeArgString(Fini));
366  }
367 }
368 
370  const InputInfo &Output,
371  const InputInfoList &Inputs,
372  const ArgList &Args,
373  const char *LinkingOutput) const {
374  auto &HTC = static_cast<const toolchains::HexagonToolChain&>(getToolChain());
375 
376  ArgStringList CmdArgs;
377  constructHexagonLinkArgs(C, JA, HTC, Output, Inputs, Args, CmdArgs,
378  LinkingOutput);
379 
380  std::string Linker = HTC.GetProgramPath("hexagon-link");
381  C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Linker),
382  CmdArgs, Inputs));
383 }
384 // Hexagon tools end.
385 
386 /// Hexagon Toolchain
387 
388 std::string HexagonToolChain::getHexagonTargetDir(
389  const std::string &InstalledDir,
390  const SmallVectorImpl<std::string> &PrefixDirs) const {
391  std::string InstallRelDir;
392  const Driver &D = getDriver();
393 
394  // Locate the rest of the toolchain ...
395  for (auto &I : PrefixDirs)
396  if (D.getVFS().exists(I))
397  return I;
398 
399  if (getVFS().exists(InstallRelDir = InstalledDir + "/../target"))
400  return InstallRelDir;
401 
402  return InstalledDir;
403 }
404 
405 Optional<unsigned> HexagonToolChain::getSmallDataThreshold(
406  const ArgList &Args) {
407  StringRef Gn = "";
408  if (Arg *A = Args.getLastArg(options::OPT_G)) {
409  Gn = A->getValue();
410  } else if (Args.getLastArg(options::OPT_shared, options::OPT_fpic,
411  options::OPT_fPIC)) {
412  Gn = "0";
413  }
414 
415  unsigned G;
416  if (!Gn.getAsInteger(10, G))
417  return G;
418 
419  return None;
420 }
421 
422 void HexagonToolChain::getHexagonLibraryPaths(const ArgList &Args,
423  ToolChain::path_list &LibPaths) const {
424  const Driver &D = getDriver();
425 
426  //----------------------------------------------------------------------------
427  // -L Args
428  //----------------------------------------------------------------------------
429  for (Arg *A : Args.filtered(options::OPT_L))
430  for (const char *Value : A->getValues())
431  LibPaths.push_back(Value);
432 
433  //----------------------------------------------------------------------------
434  // Other standard paths
435  //----------------------------------------------------------------------------
436  std::vector<std::string> RootDirs;
437  std::copy(D.PrefixDirs.begin(), D.PrefixDirs.end(),
438  std::back_inserter(RootDirs));
439 
440  std::string TargetDir = getHexagonTargetDir(D.getInstalledDir(),
441  D.PrefixDirs);
442  if (std::find(RootDirs.begin(), RootDirs.end(), TargetDir) == RootDirs.end())
443  RootDirs.push_back(TargetDir);
444 
445  bool HasPIC = Args.hasArg(options::OPT_fpic, options::OPT_fPIC);
446  // Assume G0 with -shared.
447  bool HasG0 = Args.hasArg(options::OPT_shared);
448  if (auto G = getSmallDataThreshold(Args))
449  HasG0 = G.getValue() == 0;
450 
451  const std::string CpuVer = GetTargetCPUVersion(Args).str();
452  for (auto &Dir : RootDirs) {
453  std::string LibDir = Dir + "/hexagon/lib";
454  std::string LibDirCpu = LibDir + '/' + CpuVer;
455  if (HasG0) {
456  if (HasPIC)
457  LibPaths.push_back(LibDirCpu + "/G0/pic");
458  LibPaths.push_back(LibDirCpu + "/G0");
459  }
460  LibPaths.push_back(LibDirCpu);
461  LibPaths.push_back(LibDir);
462  }
463 }
464 
465 HexagonToolChain::HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
466  const llvm::opt::ArgList &Args)
467  : Linux(D, Triple, Args) {
468  const std::string TargetDir = getHexagonTargetDir(D.getInstalledDir(),
469  D.PrefixDirs);
470 
471  // Note: Generic_GCC::Generic_GCC adds InstalledDir and getDriver().Dir to
472  // program paths
473  const std::string BinDir(TargetDir + "/bin");
474  if (D.getVFS().exists(BinDir))
475  getProgramPaths().push_back(BinDir);
476 
477  ToolChain::path_list &LibPaths = getFilePaths();
478 
479  // Remove paths added by Linux toolchain. Currently Hexagon_TC really targets
480  // 'elf' OS type, so the Linux paths are not appropriate. When we actually
481  // support 'linux' we'll need to fix this up
482  LibPaths.clear();
483  getHexagonLibraryPaths(Args, LibPaths);
484 }
485 
487 
489  return new tools::hexagon::Assembler(*this);
490 }
491 
493  return new tools::hexagon::Linker(*this);
494 }
495 
497  const llvm::opt::ArgList &DriverArgs) const {
498  // Copied in large part from lib/Frontend/CompilerInvocation.cpp.
499  Arg *A = DriverArgs.getLastArg(options::OPT_O_Group);
500  if (!A)
501  return 0;
502 
503  if (A->getOption().matches(options::OPT_O0))
504  return 0;
505  if (A->getOption().matches(options::OPT_Ofast) ||
506  A->getOption().matches(options::OPT_O4))
507  return 3;
508  assert(A->getNumValues() != 0);
509  StringRef S(A->getValue());
510  if (S == "s" || S == "z" || S.empty())
511  return 2;
512  if (S == "g")
513  return 1;
514 
515  unsigned OptLevel;
516  if (S.getAsInteger(10, OptLevel))
517  return 0;
518  return OptLevel;
519 }
520 
521 void HexagonToolChain::addClangTargetOptions(const ArgList &DriverArgs,
522  ArgStringList &CC1Args,
523  Action::OffloadKind) const {
524  if (DriverArgs.hasArg(options::OPT_ffp_contract))
525  return;
526  unsigned OptLevel = getOptimizationLevel(DriverArgs);
527  if (OptLevel >= 3)
528  CC1Args.push_back("-ffp-contract=fast");
529 }
530 
531 void HexagonToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
532  ArgStringList &CC1Args) const {
533  if (DriverArgs.hasArg(options::OPT_nostdinc) ||
534  DriverArgs.hasArg(options::OPT_nostdlibinc))
535  return;
536 
537  const Driver &D = getDriver();
538  std::string TargetDir = getHexagonTargetDir(D.getInstalledDir(),
539  D.PrefixDirs);
540  addExternCSystemInclude(DriverArgs, CC1Args, TargetDir + "/hexagon/include");
541 }
542 
543 
545  const llvm::opt::ArgList &DriverArgs,
546  llvm::opt::ArgStringList &CC1Args) const {
547  const Driver &D = getDriver();
548  std::string TargetDir = getHexagonTargetDir(D.InstalledDir, D.PrefixDirs);
549  addLibStdCXXIncludePaths(TargetDir, "/hexagon/include/c++", "", "", "", "",
550  DriverArgs, CC1Args);
551 }
552 
554 HexagonToolChain::GetCXXStdlibType(const ArgList &Args) const {
555  Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
556  if (!A)
558 
559  StringRef Value = A->getValue();
560  if (Value != "libstdc++")
561  getDriver().Diag(diag::err_drv_invalid_stdlib_name) << A->getAsString(Args);
562 
564 }
565 
566 //
567 // Returns the default CPU for Hexagon. This is the default compilation target
568 // if no Hexagon processor is selected at the command-line.
569 //
571  return "hexagonv60";
572 }
573 
574 const StringRef HexagonToolChain::GetTargetCPUVersion(const ArgList &Args) {
575  Arg *CpuArg = nullptr;
576  if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ, options::OPT_march_EQ))
577  CpuArg = A;
578 
579  StringRef CPU = CpuArg ? CpuArg->getValue() : GetDefaultCPU();
580  if (CPU.startswith("hexagon"))
581  return CPU.substr(sizeof("hexagon") - 1);
582  return CPU;
583 }
static void addExternCSystemInclude(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Utility function to add a system include directory with extern "C" semantics to CC1 arguments...
Definition: ToolChain.cpp:688
void handleTargetFeaturesGroup(const llvm::opt::ArgList &Args, std::vector< StringRef > &Features, llvm::opt::OptSpecifier Group)
SmallVector< std::string, 16 > path_list
Definition: ToolChain.h:75
prefix_list PrefixDirs
Definition: Driver.h:146
StringRef P
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:110
const char * getFilename() const
Definition: InputInfo.h:84
virtual void RenderExtraToolArgs(const JobAction &JA, llvm::opt::ArgStringList &CmdArgs) const
Definition: Hexagon.cpp:197
path_list & getProgramPaths()
Definition: ToolChain.h:205
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:23
std::string GetFilePath(const char *Name) const
Definition: ToolChain.cpp:400
void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, Action::OffloadKind DeviceOffloadKind) const override
Add options that need to be passed to cc1 for this target.
Definition: Hexagon.cpp:521
path_list & getFilePaths()
Definition: ToolChain.h:202
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
static void constructHexagonLinkArgs(Compilation &C, const JobAction &JA, const toolchains::HexagonToolChain &HTC, const InputInfo &Output, const InputInfoList &Inputs, const ArgList &Args, ArgStringList &CmdArgs, const char *LinkingOutput)
Definition: Hexagon.cpp:202
void addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Definition: Hexagon.cpp:544
void getHexagonLibraryPaths(const llvm::opt::ArgList &Args, ToolChain::path_list &LibPaths) const
Definition: Hexagon.cpp:422
void RenderExtraToolArgs(const JobAction &JA, llvm::opt::ArgStringList &CmdArgs) const
Definition: Hexagon.cpp:126
static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args)
Definition: Hexagon.cpp:574
void addCommand(std::unique_ptr< Command > C)
Definition: Compilation.h:189
std::string getHexagonTargetDir(const std::string &InstalledDir, const SmallVectorImpl< std::string > &PrefixDirs) const
Hexagon Toolchain.
Definition: Hexagon.cpp:388
void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Add the clang cc1 arguments for system include paths.
Definition: Hexagon.cpp:531
vfs::FileSystem & getVFS() const
Definition: Driver.h:301
const Driver & getDriver() const
Definition: ToolChain.h:167
std::string InstalledDir
The path to the installed clang directory, if any.
Definition: Driver.h:130
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:174
static void handleHVXTargetFeatures(const Driver &D, const ArgList &Args, std::vector< StringRef > &Features, bool &HasHVX)
Definition: Hexagon.cpp:56
unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const
Definition: Hexagon.cpp:496
Tool * buildAssembler() const override
Definition: Hexagon.cpp:488
CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override
Definition: Hexagon.cpp:554
bool ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const
Returns if the C++ standard library should be linked in.
Definition: ToolChain.cpp:726
Dataflow Directional Tag Classes.
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args, std::vector< StringRef > &Features)
Tool - Information on a specific compilation tool.
Definition: Tool.h:34
Defines the virtual file system interface vfs::FileSystem.
void claimNoWarnArgs(const llvm::opt::ArgList &Args)
const char * getInstalledDir() const
Get the path to where the clang executable was installed.
Definition: Driver.h:318
bool exists(const Twine &Path)
Check whether a file exists. Provided for convenience.
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:34
static Optional< unsigned > getSmallDataThreshold(const llvm::opt::ArgList &Args)
Definition: Hexagon.cpp:405
static StringRef getDefaultHvxLength(StringRef Cpu)
Definition: Hexagon.cpp:31
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs...
Definition: Hexagon.cpp:130
bool isNothing() const
Definition: InputInfo.h:75
bool isFilename() const
Definition: InputInfo.h:76
static const StringRef GetDefaultCPU()
Definition: Hexagon.cpp:570
bool addLibStdCXXIncludePaths(Twine Base, Twine Suffix, StringRef GCCTriple, StringRef GCCMultiarchTriple, StringRef TargetMultiarchTriple, Twine IncludeSuffix, const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
Helper to add the variant paths of a libstdc++ installation.
Definition: Gnu.cpp:2398
static void handleHVXWarnings(const Driver &D, const ArgList &Args)
Definition: Hexagon.cpp:39
std::vector< std::string > ExtraOpts
Definition: Linux.h:46
bool isLLVMIR(ID Id)
Is this LLVM IR.
Definition: Types.cpp:148
virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddCXXStdlibLibArgs - Add the system specific linker arguments to use for the given C++ standard libr...
Definition: ToolChain.cpp:732
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs...
Definition: Hexagon.cpp:369