Targets.cpp revision 80ad52f327b532bded5c5b0ee38779d841c6cd35 
1//===--- Targets.cpp - Implement -arch option and targets -----------------===//
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// This file implements construction of a TargetInfo object from a
11// target triple.
12//
13//===----------------------------------------------------------------------===//
14
15#include "clang/Basic/TargetInfo.h"
16#include "clang/Basic/Builtins.h"
17#include "clang/Basic/Diagnostic.h"
18#include "clang/Basic/LangOptions.h"
19#include "clang/Basic/MacroBuilder.h"
20#include "clang/Basic/TargetBuiltins.h"
21#include "clang/Basic/TargetOptions.h"
22#include "llvm/ADT/APFloat.h"
23#include "llvm/ADT/OwningPtr.h"
24#include "llvm/ADT/STLExtras.h"
25#include "llvm/ADT/StringRef.h"
26#include "llvm/ADT/StringSwitch.h"
27#include "llvm/ADT/Triple.h"
28#include "llvm/MC/MCSectionMachO.h"
29#include "llvm/Support/ErrorHandling.h"
30#include "llvm/Type.h"
31#include <algorithm>
32using namespace clang;
33
34//===----------------------------------------------------------------------===//
35//  Common code shared among targets.
36//===----------------------------------------------------------------------===//
37
38/// DefineStd - Define a macro name and standard variants.  For example if
39/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
40/// when in GNU mode.
41static void DefineStd(MacroBuilder &Builder, StringRef MacroName,
42                      const LangOptions &Opts) {
43  assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
44
45  // If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
46  // in the user's namespace.
47  if (Opts.GNUMode)
48    Builder.defineMacro(MacroName);
49
50  // Define __unix.
51  Builder.defineMacro("__" + MacroName);
52
53  // Define __unix__.
54  Builder.defineMacro("__" + MacroName + "__");
55}
56
57static void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName,
58                            bool Tuning = true) {
59  Builder.defineMacro("__" + CPUName);
60  Builder.defineMacro("__" + CPUName + "__");
61  if (Tuning)
62    Builder.defineMacro("__tune_" + CPUName + "__");
63}
64
65//===----------------------------------------------------------------------===//
66// Defines specific to certain operating systems.
67//===----------------------------------------------------------------------===//
68
69namespace {
70template<typename TgtInfo>
71class OSTargetInfo : public TgtInfo {
72protected:
73  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
74                            MacroBuilder &Builder) const=0;
75public:
76  OSTargetInfo(const std::string& triple) : TgtInfo(triple) {}
77  virtual void getTargetDefines(const LangOptions &Opts,
78                                MacroBuilder &Builder) const {
79    TgtInfo::getTargetDefines(Opts, Builder);
80    getOSDefines(Opts, TgtInfo::getTriple(), Builder);
81  }
82
83};
84} // end anonymous namespace
85
86
87static void getDarwinDefines(MacroBuilder &Builder, const LangOptions &Opts,
88                             const llvm::Triple &Triple,
89                             StringRef &PlatformName,
90                             VersionTuple &PlatformMinVersion) {
91  Builder.defineMacro("__APPLE_CC__", "5621");
92  Builder.defineMacro("__APPLE__");
93  Builder.defineMacro("__MACH__");
94  Builder.defineMacro("OBJC_NEW_PROPERTIES");
95  // AddressSanitizer doesn't play well with source fortification, which is on
96  // by default on Darwin.
97  if (Opts.SanitizeAddress) Builder.defineMacro("_FORTIFY_SOURCE", "0");
98
99  if (!Opts.ObjCAutoRefCount) {
100    // __weak is always defined, for use in blocks and with objc pointers.
101    Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))");
102
103    // Darwin defines __strong even in C mode (just to nothing).
104    if (Opts.getGC() != LangOptions::NonGC)
105      Builder.defineMacro("__strong", "__attribute__((objc_gc(strong)))");
106    else
107      Builder.defineMacro("__strong", "");
108
109    // __unsafe_unretained is defined to nothing in non-ARC mode. We even
110    // allow this in C, since one might have block pointers in structs that
111    // are used in pure C code and in Objective-C ARC.
112    Builder.defineMacro("__unsafe_unretained", "");
113  }
114
115  if (Opts.Static)
116    Builder.defineMacro("__STATIC__");
117  else
118    Builder.defineMacro("__DYNAMIC__");
119
120  if (Opts.POSIXThreads)
121    Builder.defineMacro("_REENTRANT");
122
123  // Get the platform type and version number from the triple.
124  unsigned Maj, Min, Rev;
125  if (Triple.isMacOSX()) {
126    Triple.getMacOSXVersion(Maj, Min, Rev);
127    PlatformName = "macosx";
128  } else {
129    Triple.getOSVersion(Maj, Min, Rev);
130    PlatformName = llvm::Triple::getOSTypeName(Triple.getOS());
131  }
132
133  // If -target arch-pc-win32-macho option specified, we're
134  // generating code for Win32 ABI. No need to emit
135  // __ENVIRONMENT_XX_OS_VERSION_MIN_REQUIRED__.
136  if (PlatformName == "win32") {
137    PlatformMinVersion = VersionTuple(Maj, Min, Rev);
138    return;
139  }
140
141  // Set the appropriate OS version define.
142  if (Triple.getOS() == llvm::Triple::IOS) {
143    assert(Maj < 10 && Min < 100 && Rev < 100 && "Invalid version!");
144    char Str[6];
145    Str[0] = '0' + Maj;
146    Str[1] = '0' + (Min / 10);
147    Str[2] = '0' + (Min % 10);
148    Str[3] = '0' + (Rev / 10);
149    Str[4] = '0' + (Rev % 10);
150    Str[5] = '\0';
151    Builder.defineMacro("__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__", Str);
152  } else {
153    // Note that the Driver allows versions which aren't representable in the
154    // define (because we only get a single digit for the minor and micro
155    // revision numbers). So, we limit them to the maximum representable
156    // version.
157    assert(Triple.getEnvironmentName().empty() && "Invalid environment!");
158    assert(Maj < 100 && Min < 100 && Rev < 100 && "Invalid version!");
159    char Str[5];
160    Str[0] = '0' + (Maj / 10);
161    Str[1] = '0' + (Maj % 10);
162    Str[2] = '0' + std::min(Min, 9U);
163    Str[3] = '0' + std::min(Rev, 9U);
164    Str[4] = '\0';
165    Builder.defineMacro("__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", Str);
166  }
167
168  PlatformMinVersion = VersionTuple(Maj, Min, Rev);
169}
170
171namespace {
172template<typename Target>
173class DarwinTargetInfo : public OSTargetInfo<Target> {
174protected:
175  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
176                            MacroBuilder &Builder) const {
177    getDarwinDefines(Builder, Opts, Triple, this->PlatformName,
178                     this->PlatformMinVersion);
179  }
180
181public:
182  DarwinTargetInfo(const std::string& triple) :
183    OSTargetInfo<Target>(triple) {
184      llvm::Triple T = llvm::Triple(triple);
185      this->TLSSupported = T.isMacOSX() && !T.isMacOSXVersionLT(10,7);
186      this->MCountName = "\01mcount";
187    }
188
189  virtual std::string isValidSectionSpecifier(StringRef SR) const {
190    // Let MCSectionMachO validate this.
191    StringRef Segment, Section;
192    unsigned TAA, StubSize;
193    bool HasTAA;
194    return llvm::MCSectionMachO::ParseSectionSpecifier(SR, Segment, Section,
195                                                       TAA, HasTAA, StubSize);
196  }
197
198  virtual const char *getStaticInitSectionSpecifier() const {
199    // FIXME: We should return 0 when building kexts.
200    return "__TEXT,__StaticInit,regular,pure_instructions";
201  }
202
203  /// Darwin does not support protected visibility.  Darwin's "default"
204  /// is very similar to ELF's "protected";  Darwin requires a "weak"
205  /// attribute on declarations that can be dynamically replaced.
206  virtual bool hasProtectedVisibility() const {
207    return false;
208  }
209};
210
211
212// DragonFlyBSD Target
213template<typename Target>
214class DragonFlyBSDTargetInfo : public OSTargetInfo<Target> {
215protected:
216  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
217                            MacroBuilder &Builder) const {
218    // DragonFly defines; list based off of gcc output
219    Builder.defineMacro("__DragonFly__");
220    Builder.defineMacro("__DragonFly_cc_version", "100001");
221    Builder.defineMacro("__ELF__");
222    Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
223    Builder.defineMacro("__tune_i386__");
224    DefineStd(Builder, "unix", Opts);
225  }
226public:
227  DragonFlyBSDTargetInfo(const std::string &triple)
228    : OSTargetInfo<Target>(triple) {
229      this->UserLabelPrefix = "";
230
231      llvm::Triple Triple(triple);
232      switch (Triple.getArch()) {
233        default:
234        case llvm::Triple::x86:
235        case llvm::Triple::x86_64:
236          this->MCountName = ".mcount";
237          break;
238      }
239  }
240};
241
242// FreeBSD Target
243template<typename Target>
244class FreeBSDTargetInfo : public OSTargetInfo<Target> {
245protected:
246  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
247                            MacroBuilder &Builder) const {
248    // FreeBSD defines; list based off of gcc output
249
250    unsigned Release = Triple.getOSMajorVersion();
251    if (Release == 0U)
252      Release = 8;
253
254    Builder.defineMacro("__FreeBSD__", Twine(Release));
255    Builder.defineMacro("__FreeBSD_cc_version", Twine(Release * 100000U + 1U));
256    Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
257    DefineStd(Builder, "unix", Opts);
258    Builder.defineMacro("__ELF__");
259  }
260public:
261  FreeBSDTargetInfo(const std::string &triple)
262    : OSTargetInfo<Target>(triple) {
263      this->UserLabelPrefix = "";
264
265      llvm::Triple Triple(triple);
266      switch (Triple.getArch()) {
267        default:
268        case llvm::Triple::x86:
269        case llvm::Triple::x86_64:
270          this->MCountName = ".mcount";
271          break;
272        case llvm::Triple::mips:
273        case llvm::Triple::mipsel:
274        case llvm::Triple::ppc:
275        case llvm::Triple::ppc64:
276          this->MCountName = "_mcount";
277          break;
278        case llvm::Triple::arm:
279          this->MCountName = "__mcount";
280          break;
281      }
282
283    }
284};
285
286// Minix Target
287template<typename Target>
288class MinixTargetInfo : public OSTargetInfo<Target> {
289protected:
290  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
291                            MacroBuilder &Builder) const {
292    // Minix defines
293
294    Builder.defineMacro("__minix", "3");
295    Builder.defineMacro("_EM_WSIZE", "4");
296    Builder.defineMacro("_EM_PSIZE", "4");
297    Builder.defineMacro("_EM_SSIZE", "2");
298    Builder.defineMacro("_EM_LSIZE", "4");
299    Builder.defineMacro("_EM_FSIZE", "4");
300    Builder.defineMacro("_EM_DSIZE", "8");
301    Builder.defineMacro("__ELF__");
302    DefineStd(Builder, "unix", Opts);
303  }
304public:
305  MinixTargetInfo(const std::string &triple)
306    : OSTargetInfo<Target>(triple) {
307      this->UserLabelPrefix = "";
308    }
309};
310
311// Linux target
312template<typename Target>
313class LinuxTargetInfo : public OSTargetInfo<Target> {
314protected:
315  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
316                            MacroBuilder &Builder) const {
317    // Linux defines; list based off of gcc output
318    DefineStd(Builder, "unix", Opts);
319    DefineStd(Builder, "linux", Opts);
320    Builder.defineMacro("__gnu_linux__");
321    Builder.defineMacro("__ELF__");
322    if (Triple.getEnvironment() == llvm::Triple::Android)
323      Builder.defineMacro("__ANDROID__", "1");
324    if (Opts.POSIXThreads)
325      Builder.defineMacro("_REENTRANT");
326    if (Opts.CPlusPlus)
327      Builder.defineMacro("_GNU_SOURCE");
328  }
329public:
330  LinuxTargetInfo(const std::string& triple)
331    : OSTargetInfo<Target>(triple) {
332    this->UserLabelPrefix = "";
333    this->WIntType = TargetInfo::UnsignedInt;
334  }
335
336  virtual const char *getStaticInitSectionSpecifier() const {
337    return ".text.startup";
338  }
339};
340
341// NetBSD Target
342template<typename Target>
343class NetBSDTargetInfo : public OSTargetInfo<Target> {
344protected:
345  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
346                            MacroBuilder &Builder) const {
347    // NetBSD defines; list based off of gcc output
348    Builder.defineMacro("__NetBSD__");
349    Builder.defineMacro("__unix__");
350    Builder.defineMacro("__ELF__");
351    if (Opts.POSIXThreads)
352      Builder.defineMacro("_POSIX_THREADS");
353  }
354public:
355  NetBSDTargetInfo(const std::string &triple)
356    : OSTargetInfo<Target>(triple) {
357      this->UserLabelPrefix = "";
358    }
359};
360
361// OpenBSD Target
362template<typename Target>
363class OpenBSDTargetInfo : public OSTargetInfo<Target> {
364protected:
365  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
366                            MacroBuilder &Builder) const {
367    // OpenBSD defines; list based off of gcc output
368
369    Builder.defineMacro("__OpenBSD__");
370    DefineStd(Builder, "unix", Opts);
371    Builder.defineMacro("__ELF__");
372    if (Opts.POSIXThreads)
373      Builder.defineMacro("_REENTRANT");
374  }
375public:
376  OpenBSDTargetInfo(const std::string &triple)
377    : OSTargetInfo<Target>(triple) {
378      this->UserLabelPrefix = "";
379      this->TLSSupported = false;
380
381      llvm::Triple Triple(triple);
382      switch (Triple.getArch()) {
383        default:
384        case llvm::Triple::x86:
385        case llvm::Triple::x86_64:
386        case llvm::Triple::arm:
387        case llvm::Triple::sparc:
388          this->MCountName = "__mcount";
389          break;
390        case llvm::Triple::mips64:
391        case llvm::Triple::mips64el:
392        case llvm::Triple::ppc:
393        case llvm::Triple::sparcv9:
394          this->MCountName = "_mcount";
395          break;
396      }
397  }
398};
399
400// Bitrig Target
401template<typename Target>
402class BitrigTargetInfo : public OSTargetInfo<Target> {
403protected:
404  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
405                            MacroBuilder &Builder) const {
406    // Bitrig defines; list based off of gcc output
407
408    Builder.defineMacro("__Bitrig__");
409    DefineStd(Builder, "unix", Opts);
410    Builder.defineMacro("__ELF__");
411    if (Opts.POSIXThreads)
412      Builder.defineMacro("_REENTRANT");
413  }
414public:
415  BitrigTargetInfo(const std::string &triple)
416    : OSTargetInfo<Target>(triple) {
417      this->UserLabelPrefix = "";
418      this->TLSSupported = false;
419      this->MCountName = "__mcount";
420  }
421};
422
423// PSP Target
424template<typename Target>
425class PSPTargetInfo : public OSTargetInfo<Target> {
426protected:
427  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
428                            MacroBuilder &Builder) const {
429    // PSP defines; list based on the output of the pspdev gcc toolchain.
430    Builder.defineMacro("PSP");
431    Builder.defineMacro("_PSP");
432    Builder.defineMacro("__psp__");
433    Builder.defineMacro("__ELF__");
434  }
435public:
436  PSPTargetInfo(const std::string& triple)
437    : OSTargetInfo<Target>(triple) {
438    this->UserLabelPrefix = "";
439  }
440};
441
442// PS3 PPU Target
443template<typename Target>
444class PS3PPUTargetInfo : public OSTargetInfo<Target> {
445protected:
446  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
447                            MacroBuilder &Builder) const {
448    // PS3 PPU defines.
449    Builder.defineMacro("__PPC__");
450    Builder.defineMacro("__PPU__");
451    Builder.defineMacro("__CELLOS_LV2__");
452    Builder.defineMacro("__ELF__");
453    Builder.defineMacro("__LP32__");
454    Builder.defineMacro("_ARCH_PPC64");
455    Builder.defineMacro("__powerpc64__");
456  }
457public:
458  PS3PPUTargetInfo(const std::string& triple)
459    : OSTargetInfo<Target>(triple) {
460    this->UserLabelPrefix = "";
461    this->LongWidth = this->LongAlign = 32;
462    this->PointerWidth = this->PointerAlign = 32;
463    this->IntMaxType = TargetInfo::SignedLongLong;
464    this->UIntMaxType = TargetInfo::UnsignedLongLong;
465    this->Int64Type = TargetInfo::SignedLongLong;
466    this->SizeType = TargetInfo::UnsignedInt;
467    this->DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
468                              "i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32";
469  }
470};
471
472// FIXME: Need a real SPU target.
473// PS3 SPU Target
474template<typename Target>
475class PS3SPUTargetInfo : public OSTargetInfo<Target> {
476protected:
477  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
478                            MacroBuilder &Builder) const {
479    // PS3 PPU defines.
480    Builder.defineMacro("__SPU__");
481    Builder.defineMacro("__ELF__");
482  }
483public:
484  PS3SPUTargetInfo(const std::string& triple)
485    : OSTargetInfo<Target>(triple) {
486    this->UserLabelPrefix = "";
487  }
488};
489
490// AuroraUX target
491template<typename Target>
492class AuroraUXTargetInfo : public OSTargetInfo<Target> {
493protected:
494  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
495                            MacroBuilder &Builder) const {
496    DefineStd(Builder, "sun", Opts);
497    DefineStd(Builder, "unix", Opts);
498    Builder.defineMacro("__ELF__");
499    Builder.defineMacro("__svr4__");
500    Builder.defineMacro("__SVR4");
501  }
502public:
503  AuroraUXTargetInfo(const std::string& triple)
504    : OSTargetInfo<Target>(triple) {
505    this->UserLabelPrefix = "";
506    this->WCharType = this->SignedLong;
507    // FIXME: WIntType should be SignedLong
508  }
509};
510
511// Solaris target
512template<typename Target>
513class SolarisTargetInfo : public OSTargetInfo<Target> {
514protected:
515  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
516                            MacroBuilder &Builder) const {
517    DefineStd(Builder, "sun", Opts);
518    DefineStd(Builder, "unix", Opts);
519    Builder.defineMacro("__ELF__");
520    Builder.defineMacro("__svr4__");
521    Builder.defineMacro("__SVR4");
522    // Solaris headers require _XOPEN_SOURCE to be set to 600 for C99 and
523    // newer, but to 500 for everything else.  feature_test.h has a check to
524    // ensure that you are not using C99 with an old version of X/Open or C89
525    // with a new version.
526    if (Opts.C99 || Opts.C11)
527      Builder.defineMacro("_XOPEN_SOURCE", "600");
528    else
529      Builder.defineMacro("_XOPEN_SOURCE", "500");
530    if (Opts.CPlusPlus)
531      Builder.defineMacro("__C99FEATURES__");
532    Builder.defineMacro("_LARGEFILE_SOURCE");
533    Builder.defineMacro("_LARGEFILE64_SOURCE");
534    Builder.defineMacro("__EXTENSIONS__");
535    Builder.defineMacro("_REENTRANT");
536  }
537public:
538  SolarisTargetInfo(const std::string& triple)
539    : OSTargetInfo<Target>(triple) {
540    this->UserLabelPrefix = "";
541    this->WCharType = this->SignedInt;
542    // FIXME: WIntType should be SignedLong
543  }
544};
545
546// Windows target
547template<typename Target>
548class WindowsTargetInfo : public OSTargetInfo<Target> {
549protected:
550  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
551                            MacroBuilder &Builder) const {
552    Builder.defineMacro("_WIN32");
553  }
554  void getVisualStudioDefines(const LangOptions &Opts,
555                              MacroBuilder &Builder) const {
556    if (Opts.CPlusPlus) {
557      if (Opts.RTTI)
558        Builder.defineMacro("_CPPRTTI");
559
560      if (Opts.Exceptions)
561        Builder.defineMacro("_CPPUNWIND");
562    }
563
564    if (!Opts.CharIsSigned)
565      Builder.defineMacro("_CHAR_UNSIGNED");
566
567    // FIXME: POSIXThreads isn't exactly the option this should be defined for,
568    //        but it works for now.
569    if (Opts.POSIXThreads)
570      Builder.defineMacro("_MT");
571
572    if (Opts.MSCVersion != 0)
573      Builder.defineMacro("_MSC_VER", Twine(Opts.MSCVersion));
574
575    if (Opts.MicrosoftExt) {
576      Builder.defineMacro("_MSC_EXTENSIONS");
577
578      if (Opts.CPlusPlus11) {
579        Builder.defineMacro("_RVALUE_REFERENCES_V2_SUPPORTED");
580        Builder.defineMacro("_RVALUE_REFERENCES_SUPPORTED");
581        Builder.defineMacro("_NATIVE_NULLPTR_SUPPORTED");
582      }
583    }
584
585    Builder.defineMacro("_INTEGRAL_MAX_BITS", "64");
586  }
587
588public:
589  WindowsTargetInfo(const std::string &triple)
590    : OSTargetInfo<Target>(triple) {}
591};
592
593template <typename Target>
594class NaClTargetInfo : public OSTargetInfo<Target> {
595 protected:
596  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
597                            MacroBuilder &Builder) const {
598    if (Opts.POSIXThreads)
599      Builder.defineMacro("_REENTRANT");
600    if (Opts.CPlusPlus)
601      Builder.defineMacro("_GNU_SOURCE");
602
603    DefineStd(Builder, "unix", Opts);
604    Builder.defineMacro("__ELF__");
605    Builder.defineMacro("__native_client__");
606  }
607 public:
608  NaClTargetInfo(const std::string &triple)
609    : OSTargetInfo<Target>(triple) {
610    this->UserLabelPrefix = "";
611    this->LongAlign = 32;
612    this->LongWidth = 32;
613    this->PointerAlign = 32;
614    this->PointerWidth = 32;
615    this->IntMaxType = TargetInfo::SignedLongLong;
616    this->UIntMaxType = TargetInfo::UnsignedLongLong;
617    this->Int64Type = TargetInfo::SignedLongLong;
618    this->DoubleAlign = 64;
619    this->LongDoubleWidth = 64;
620    this->LongDoubleAlign = 64;
621    this->SizeType = TargetInfo::UnsignedInt;
622    this->PtrDiffType = TargetInfo::SignedInt;
623    this->IntPtrType = TargetInfo::SignedInt;
624    this->RegParmMax = 2;
625    this->LongDoubleFormat = &llvm::APFloat::IEEEdouble;
626    this->DescriptionString = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-"
627                              "f32:32:32-f64:64:64-p:32:32:32-v128:32:32";
628  }
629  virtual typename Target::CallingConvCheckResult checkCallingConvention(
630      CallingConv CC) const {
631    return CC == CC_PnaclCall ? Target::CCCR_OK :
632        Target::checkCallingConvention(CC);
633  }
634};
635} // end anonymous namespace.
636
637//===----------------------------------------------------------------------===//
638// Specific target implementations.
639//===----------------------------------------------------------------------===//
640
641namespace {
642// PPC abstract base class
643class PPCTargetInfo : public TargetInfo {
644  static const Builtin::Info BuiltinInfo[];
645  static const char * const GCCRegNames[];
646  static const TargetInfo::GCCRegAlias GCCRegAliases[];
647  std::string CPU;
648public:
649  PPCTargetInfo(const std::string& triple) : TargetInfo(triple) {
650    LongDoubleWidth = LongDoubleAlign = 128;
651    LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble;
652  }
653
654  /// \brief Flags for architecture specific defines.
655  typedef enum {
656    ArchDefineNone  = 0,
657    ArchDefineName  = 1 << 0, // <name> is substituted for arch name.
658    ArchDefinePpcgr = 1 << 1,
659    ArchDefinePpcsq = 1 << 2,
660    ArchDefine440   = 1 << 3,
661    ArchDefine603   = 1 << 4,
662    ArchDefine604   = 1 << 5,
663    ArchDefinePwr4  = 1 << 6,
664    ArchDefinePwr6  = 1 << 7
665  } ArchDefineTypes;
666
667  virtual bool setCPU(const std::string &Name) {
668    bool CPUKnown = llvm::StringSwitch<bool>(Name)
669      .Case("generic", true)
670      .Case("440", true)
671      .Case("450", true)
672      .Case("601", true)
673      .Case("602", true)
674      .Case("603", true)
675      .Case("603e", true)
676      .Case("603ev", true)
677      .Case("604", true)
678      .Case("604e", true)
679      .Case("620", true)
680      .Case("g3", true)
681      .Case("7400", true)
682      .Case("g4", true)
683      .Case("7450", true)
684      .Case("g4+", true)
685      .Case("750", true)
686      .Case("970", true)
687      .Case("g5", true)
688      .Case("a2", true)
689      .Case("e500mc", true)
690      .Case("e5500", true)
691      .Case("pwr6", true)
692      .Case("pwr7", true)
693      .Case("ppc", true)
694      .Case("ppc64", true)
695      .Default(false);
696
697    if (CPUKnown)
698      CPU = Name;
699
700    return CPUKnown;
701  }
702
703  virtual void getTargetBuiltins(const Builtin::Info *&Records,
704                                 unsigned &NumRecords) const {
705    Records = BuiltinInfo;
706    NumRecords = clang::PPC::LastTSBuiltin-Builtin::FirstTSBuiltin;
707  }
708
709  virtual bool isCLZForZeroUndef() const { return false; }
710
711  virtual void getTargetDefines(const LangOptions &Opts,
712                                MacroBuilder &Builder) const;
713
714  virtual bool hasFeature(StringRef Feature) const;
715
716  virtual void getGCCRegNames(const char * const *&Names,
717                              unsigned &NumNames) const;
718  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
719                                unsigned &NumAliases) const;
720  virtual bool validateAsmConstraint(const char *&Name,
721                                     TargetInfo::ConstraintInfo &Info) const {
722    switch (*Name) {
723    default: return false;
724    case 'O': // Zero
725      break;
726    case 'b': // Base register
727    case 'f': // Floating point register
728      Info.setAllowsRegister();
729      break;
730    // FIXME: The following are added to allow parsing.
731    // I just took a guess at what the actions should be.
732    // Also, is more specific checking needed?  I.e. specific registers?
733    case 'd': // Floating point register (containing 64-bit value)
734    case 'v': // Altivec vector register
735      Info.setAllowsRegister();
736      break;
737    case 'w':
738      switch (Name[1]) {
739        case 'd':// VSX vector register to hold vector double data
740        case 'f':// VSX vector register to hold vector float data
741        case 's':// VSX vector register to hold scalar float data
742        case 'a':// Any VSX register
743          break;
744        default:
745          return false;
746      }
747      Info.setAllowsRegister();
748      Name++; // Skip over 'w'.
749      break;
750    case 'h': // `MQ', `CTR', or `LINK' register
751    case 'q': // `MQ' register
752    case 'c': // `CTR' register
753    case 'l': // `LINK' register
754    case 'x': // `CR' register (condition register) number 0
755    case 'y': // `CR' register (condition register)
756    case 'z': // `XER[CA]' carry bit (part of the XER register)
757      Info.setAllowsRegister();
758      break;
759    case 'I': // Signed 16-bit constant
760    case 'J': // Unsigned 16-bit constant shifted left 16 bits
761              //  (use `L' instead for SImode constants)
762    case 'K': // Unsigned 16-bit constant
763    case 'L': // Signed 16-bit constant shifted left 16 bits
764    case 'M': // Constant larger than 31
765    case 'N': // Exact power of 2
766    case 'P': // Constant whose negation is a signed 16-bit constant
767    case 'G': // Floating point constant that can be loaded into a
768              // register with one instruction per word
769    case 'H': // Integer/Floating point constant that can be loaded
770              // into a register using three instructions
771      break;
772    case 'm': // Memory operand. Note that on PowerPC targets, m can
773              // include addresses that update the base register. It
774              // is therefore only safe to use `m' in an asm statement
775              // if that asm statement accesses the operand exactly once.
776              // The asm statement must also use `%U<opno>' as a
777              // placeholder for the "update" flag in the corresponding
778              // load or store instruction. For example:
779              // asm ("st%U0 %1,%0" : "=m" (mem) : "r" (val));
780              // is correct but:
781              // asm ("st %1,%0" : "=m" (mem) : "r" (val));
782              // is not. Use es rather than m if you don't want the base
783              // register to be updated.
784    case 'e':
785      if (Name[1] != 's')
786          return false;
787              // es: A "stable" memory operand; that is, one which does not
788              // include any automodification of the base register. Unlike
789              // `m', this constraint can be used in asm statements that
790              // might access the operand several times, or that might not
791              // access it at all.
792      Info.setAllowsMemory();
793      Name++; // Skip over 'e'.
794      break;
795    case 'Q': // Memory operand that is an offset from a register (it is
796              // usually better to use `m' or `es' in asm statements)
797    case 'Z': // Memory operand that is an indexed or indirect from a
798              // register (it is usually better to use `m' or `es' in
799              // asm statements)
800      Info.setAllowsMemory();
801      Info.setAllowsRegister();
802      break;
803    case 'R': // AIX TOC entry
804    case 'a': // Address operand that is an indexed or indirect from a
805              // register (`p' is preferable for asm statements)
806    case 'S': // Constant suitable as a 64-bit mask operand
807    case 'T': // Constant suitable as a 32-bit mask operand
808    case 'U': // System V Release 4 small data area reference
809    case 't': // AND masks that can be performed by two rldic{l, r}
810              // instructions
811    case 'W': // Vector constant that does not require memory
812    case 'j': // Vector constant that is all zeros.
813      break;
814    // End FIXME.
815    }
816    return true;
817  }
818  virtual const char *getClobbers() const {
819    return "";
820  }
821};
822
823const Builtin::Info PPCTargetInfo::BuiltinInfo[] = {
824#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
825#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
826                                              ALL_LANGUAGES },
827#include "clang/Basic/BuiltinsPPC.def"
828};
829
830
831/// PPCTargetInfo::getTargetDefines - Return a set of the PowerPC-specific
832/// #defines that are not tied to a specific subtarget.
833void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
834                                     MacroBuilder &Builder) const {
835  // Target identification.
836  Builder.defineMacro("__ppc__");
837  Builder.defineMacro("_ARCH_PPC");
838  Builder.defineMacro("__powerpc__");
839  Builder.defineMacro("__POWERPC__");
840  if (PointerWidth == 64) {
841    Builder.defineMacro("_ARCH_PPC64");
842    Builder.defineMacro("__powerpc64__");
843    Builder.defineMacro("__ppc64__");
844  } else {
845    Builder.defineMacro("__ppc__");
846  }
847
848  // Target properties.
849  if (getTriple().getOS() != llvm::Triple::NetBSD &&
850      getTriple().getOS() != llvm::Triple::OpenBSD)
851    Builder.defineMacro("_BIG_ENDIAN");
852  Builder.defineMacro("__BIG_ENDIAN__");
853
854  // Subtarget options.
855  Builder.defineMacro("__NATURAL_ALIGNMENT__");
856  Builder.defineMacro("__REGISTER_PREFIX__", "");
857
858  // FIXME: Should be controlled by command line option.
859  Builder.defineMacro("__LONG_DOUBLE_128__");
860
861  if (Opts.AltiVec) {
862    Builder.defineMacro("__VEC__", "10206");
863    Builder.defineMacro("__ALTIVEC__");
864  }
865
866  // CPU identification.
867  ArchDefineTypes defs = (ArchDefineTypes)llvm::StringSwitch<int>(CPU)
868    .Case("440",   ArchDefineName)
869    .Case("450",   ArchDefineName | ArchDefine440)
870    .Case("601",   ArchDefineName)
871    .Case("602",   ArchDefineName | ArchDefinePpcgr)
872    .Case("603",   ArchDefineName | ArchDefinePpcgr)
873    .Case("603e",  ArchDefineName | ArchDefine603 | ArchDefinePpcgr)
874    .Case("603ev", ArchDefineName | ArchDefine603 | ArchDefinePpcgr)
875    .Case("604",   ArchDefineName | ArchDefinePpcgr)
876    .Case("604e",  ArchDefineName | ArchDefine604 | ArchDefinePpcgr)
877    .Case("620",   ArchDefineName | ArchDefinePpcgr)
878    .Case("7400",  ArchDefineName | ArchDefinePpcgr)
879    .Case("7450",  ArchDefineName | ArchDefinePpcgr)
880    .Case("750",   ArchDefineName | ArchDefinePpcgr)
881    .Case("970",   ArchDefineName | ArchDefinePwr4 | ArchDefinePpcgr
882                     | ArchDefinePpcsq)
883    .Case("pwr6",  ArchDefinePwr6 | ArchDefinePpcgr | ArchDefinePpcsq)
884    .Case("pwr7",  ArchDefineName | ArchDefinePwr6 | ArchDefinePpcgr
885                     | ArchDefinePpcsq)
886    .Default(ArchDefineNone);
887
888  if (defs & ArchDefineName)
889    Builder.defineMacro(Twine("_ARCH_", StringRef(CPU).upper()));
890  if (defs & ArchDefinePpcgr)
891    Builder.defineMacro("_ARCH_PPCGR");
892  if (defs & ArchDefinePpcsq)
893    Builder.defineMacro("_ARCH_PPCSQ");
894  if (defs & ArchDefine440)
895    Builder.defineMacro("_ARCH_440");
896  if (defs & ArchDefine603)
897    Builder.defineMacro("_ARCH_603");
898  if (defs & ArchDefine604)
899    Builder.defineMacro("_ARCH_604");
900  if (defs & (ArchDefinePwr4 | ArchDefinePwr6))
901    Builder.defineMacro("_ARCH_PWR4");
902  if (defs & ArchDefinePwr6) {
903    Builder.defineMacro("_ARCH_PWR5");
904    Builder.defineMacro("_ARCH_PWR6");
905  }
906}
907
908bool PPCTargetInfo::hasFeature(StringRef Feature) const {
909  return Feature == "powerpc";
910}
911
912
913const char * const PPCTargetInfo::GCCRegNames[] = {
914  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
915  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
916  "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
917  "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
918  "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
919  "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
920  "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
921  "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
922  "mq", "lr", "ctr", "ap",
923  "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
924  "xer",
925  "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
926  "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
927  "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
928  "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
929  "vrsave", "vscr",
930  "spe_acc", "spefscr",
931  "sfp"
932};
933
934void PPCTargetInfo::getGCCRegNames(const char * const *&Names,
935                                   unsigned &NumNames) const {
936  Names = GCCRegNames;
937  NumNames = llvm::array_lengthof(GCCRegNames);
938}
939
940const TargetInfo::GCCRegAlias PPCTargetInfo::GCCRegAliases[] = {
941  // While some of these aliases do map to different registers
942  // they still share the same register name.
943  { { "0" }, "r0" },
944  { { "1"}, "r1" },
945  { { "2" }, "r2" },
946  { { "3" }, "r3" },
947  { { "4" }, "r4" },
948  { { "5" }, "r5" },
949  { { "6" }, "r6" },
950  { { "7" }, "r7" },
951  { { "8" }, "r8" },
952  { { "9" }, "r9" },
953  { { "10" }, "r10" },
954  { { "11" }, "r11" },
955  { { "12" }, "r12" },
956  { { "13" }, "r13" },
957  { { "14" }, "r14" },
958  { { "15" }, "r15" },
959  { { "16" }, "r16" },
960  { { "17" }, "r17" },
961  { { "18" }, "r18" },
962  { { "19" }, "r19" },
963  { { "20" }, "r20" },
964  { { "21" }, "r21" },
965  { { "22" }, "r22" },
966  { { "23" }, "r23" },
967  { { "24" }, "r24" },
968  { { "25" }, "r25" },
969  { { "26" }, "r26" },
970  { { "27" }, "r27" },
971  { { "28" }, "r28" },
972  { { "29" }, "r29" },
973  { { "30" }, "r30" },
974  { { "31" }, "r31" },
975  { { "fr0" }, "f0" },
976  { { "fr1" }, "f1" },
977  { { "fr2" }, "f2" },
978  { { "fr3" }, "f3" },
979  { { "fr4" }, "f4" },
980  { { "fr5" }, "f5" },
981  { { "fr6" }, "f6" },
982  { { "fr7" }, "f7" },
983  { { "fr8" }, "f8" },
984  { { "fr9" }, "f9" },
985  { { "fr10" }, "f10" },
986  { { "fr11" }, "f11" },
987  { { "fr12" }, "f12" },
988  { { "fr13" }, "f13" },
989  { { "fr14" }, "f14" },
990  { { "fr15" }, "f15" },
991  { { "fr16" }, "f16" },
992  { { "fr17" }, "f17" },
993  { { "fr18" }, "f18" },
994  { { "fr19" }, "f19" },
995  { { "fr20" }, "f20" },
996  { { "fr21" }, "f21" },
997  { { "fr22" }, "f22" },
998  { { "fr23" }, "f23" },
999  { { "fr24" }, "f24" },
1000  { { "fr25" }, "f25" },
1001  { { "fr26" }, "f26" },
1002  { { "fr27" }, "f27" },
1003  { { "fr28" }, "f28" },
1004  { { "fr29" }, "f29" },
1005  { { "fr30" }, "f30" },
1006  { { "fr31" }, "f31" },
1007  { { "cc" }, "cr0" },
1008};
1009
1010void PPCTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
1011                                     unsigned &NumAliases) const {
1012  Aliases = GCCRegAliases;
1013  NumAliases = llvm::array_lengthof(GCCRegAliases);
1014}
1015} // end anonymous namespace.
1016
1017namespace {
1018class PPC32TargetInfo : public PPCTargetInfo {
1019public:
1020  PPC32TargetInfo(const std::string &triple) : PPCTargetInfo(triple) {
1021    DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
1022                        "i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32";
1023
1024    switch (getTriple().getOS()) {
1025    case llvm::Triple::Linux:
1026    case llvm::Triple::FreeBSD:
1027    case llvm::Triple::NetBSD:
1028      SizeType = UnsignedInt;
1029      PtrDiffType = SignedInt;
1030      IntPtrType = SignedInt;
1031      break;
1032    default:
1033      break;
1034    }
1035
1036    if (getTriple().getOS() == llvm::Triple::FreeBSD) {
1037      LongDoubleWidth = LongDoubleAlign = 64;
1038      LongDoubleFormat = &llvm::APFloat::IEEEdouble;
1039    }
1040
1041    // PPC32 supports atomics up to 4 bytes.
1042    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
1043  }
1044
1045  virtual BuiltinVaListKind getBuiltinVaListKind() const {
1046    // This is the ELF definition, and is overridden by the Darwin sub-target
1047    return TargetInfo::PowerABIBuiltinVaList;
1048  }
1049};
1050} // end anonymous namespace.
1051
1052namespace {
1053class PPC64TargetInfo : public PPCTargetInfo {
1054public:
1055  PPC64TargetInfo(const std::string& triple) : PPCTargetInfo(triple) {
1056    LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
1057    IntMaxType = SignedLong;
1058    UIntMaxType = UnsignedLong;
1059    Int64Type = SignedLong;
1060
1061    if (getTriple().getOS() == llvm::Triple::FreeBSD) {
1062      LongDoubleWidth = LongDoubleAlign = 64;
1063      LongDoubleFormat = &llvm::APFloat::IEEEdouble;
1064      DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
1065                          "i64:64:64-f32:32:32-f64:64:64-f128:64:64-"
1066                          "v128:128:128-n32:64";
1067    } else
1068      DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
1069                          "i64:64:64-f32:32:32-f64:64:64-f128:128:128-"
1070                          "v128:128:128-n32:64";
1071
1072    // PPC64 supports atomics up to 8 bytes.
1073    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
1074  }
1075  virtual BuiltinVaListKind getBuiltinVaListKind() const {
1076    return TargetInfo::CharPtrBuiltinVaList;
1077  }
1078};
1079} // end anonymous namespace.
1080
1081
1082namespace {
1083class DarwinPPC32TargetInfo :
1084  public DarwinTargetInfo<PPC32TargetInfo> {
1085public:
1086  DarwinPPC32TargetInfo(const std::string& triple)
1087    : DarwinTargetInfo<PPC32TargetInfo>(triple) {
1088    HasAlignMac68kSupport = true;
1089    BoolWidth = BoolAlign = 32; //XXX support -mone-byte-bool?
1090    LongLongAlign = 32;
1091    SuitableAlign = 128;
1092    DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
1093                        "i64:32:64-f32:32:32-f64:64:64-v128:128:128-n32";
1094  }
1095  virtual BuiltinVaListKind getBuiltinVaListKind() const {
1096    return TargetInfo::CharPtrBuiltinVaList;
1097  }
1098};
1099
1100class DarwinPPC64TargetInfo :
1101  public DarwinTargetInfo<PPC64TargetInfo> {
1102public:
1103  DarwinPPC64TargetInfo(const std::string& triple)
1104    : DarwinTargetInfo<PPC64TargetInfo>(triple) {
1105    HasAlignMac68kSupport = true;
1106    SuitableAlign = 128;
1107    DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
1108                        "i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64";
1109  }
1110};
1111} // end anonymous namespace.
1112
1113namespace {
1114  static const unsigned NVPTXAddrSpaceMap[] = {
1115    1,    // opencl_global
1116    3,    // opencl_local
1117    4,    // opencl_constant
1118    1,    // cuda_device
1119    4,    // cuda_constant
1120    3,    // cuda_shared
1121  };
1122  class NVPTXTargetInfo : public TargetInfo {
1123    static const char * const GCCRegNames[];
1124    static const Builtin::Info BuiltinInfo[];
1125    std::vector<llvm::StringRef> AvailableFeatures;
1126  public:
1127    NVPTXTargetInfo(const std::string& triple) : TargetInfo(triple) {
1128      BigEndian = false;
1129      TLSSupported = false;
1130      LongWidth = LongAlign = 64;
1131      AddrSpaceMap = &NVPTXAddrSpaceMap;
1132      // Define available target features
1133      // These must be defined in sorted order!
1134      NoAsmVariants = true;
1135    }
1136    virtual void getTargetDefines(const LangOptions &Opts,
1137                                  MacroBuilder &Builder) const {
1138      Builder.defineMacro("__PTX__");
1139      Builder.defineMacro("__NVPTX__");
1140    }
1141    virtual void getTargetBuiltins(const Builtin::Info *&Records,
1142                                   unsigned &NumRecords) const {
1143      Records = BuiltinInfo;
1144      NumRecords = clang::NVPTX::LastTSBuiltin-Builtin::FirstTSBuiltin;
1145    }
1146    virtual bool hasFeature(StringRef Feature) const {
1147      return Feature == "ptx" || Feature == "nvptx";
1148    }
1149
1150    virtual void getGCCRegNames(const char * const *&Names,
1151                                unsigned &NumNames) const;
1152    virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
1153                                  unsigned &NumAliases) const {
1154      // No aliases.
1155      Aliases = 0;
1156      NumAliases = 0;
1157    }
1158    virtual bool validateAsmConstraint(const char *&Name,
1159                                       TargetInfo::ConstraintInfo &info) const {
1160      // FIXME: implement
1161      return true;
1162    }
1163    virtual const char *getClobbers() const {
1164      // FIXME: Is this really right?
1165      return "";
1166    }
1167    virtual BuiltinVaListKind getBuiltinVaListKind() const {
1168      // FIXME: implement
1169      return TargetInfo::CharPtrBuiltinVaList;
1170    }
1171    virtual bool setCPU(const std::string &Name) {
1172      return Name == "sm_10" || Name == "sm_13" || Name == "sm_20";
1173    }
1174    virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features,
1175                                   StringRef Name,
1176                                   bool Enabled) const;
1177  };
1178
1179  const Builtin::Info NVPTXTargetInfo::BuiltinInfo[] = {
1180#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
1181#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
1182                                              ALL_LANGUAGES },
1183#include "clang/Basic/BuiltinsNVPTX.def"
1184  };
1185
1186  const char * const NVPTXTargetInfo::GCCRegNames[] = {
1187    "r0"
1188  };
1189
1190  void NVPTXTargetInfo::getGCCRegNames(const char * const *&Names,
1191                                     unsigned &NumNames) const {
1192    Names = GCCRegNames;
1193    NumNames = llvm::array_lengthof(GCCRegNames);
1194  }
1195
1196  bool NVPTXTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features,
1197                                          StringRef Name,
1198                                          bool Enabled) const {
1199    if(std::binary_search(AvailableFeatures.begin(), AvailableFeatures.end(),
1200                          Name)) {
1201      Features[Name] = Enabled;
1202      return true;
1203    } else {
1204      return false;
1205    }
1206  }
1207
1208  class NVPTX32TargetInfo : public NVPTXTargetInfo {
1209  public:
1210    NVPTX32TargetInfo(const std::string& triple) : NVPTXTargetInfo(triple) {
1211      PointerWidth = PointerAlign = 32;
1212      SizeType     = PtrDiffType = IntPtrType = TargetInfo::UnsignedInt;
1213      DescriptionString
1214        = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-"
1215          "f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-"
1216          "n16:32:64";
1217  }
1218  };
1219
1220  class NVPTX64TargetInfo : public NVPTXTargetInfo {
1221  public:
1222    NVPTX64TargetInfo(const std::string& triple) : NVPTXTargetInfo(triple) {
1223      PointerWidth = PointerAlign = 64;
1224      SizeType     = PtrDiffType = IntPtrType = TargetInfo::UnsignedLongLong;
1225      DescriptionString
1226        = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-"
1227          "f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-"
1228          "n16:32:64";
1229  }
1230  };
1231}
1232
1233namespace {
1234
1235static const unsigned R600AddrSpaceMap[] = {
1236  1,    // opencl_global
1237  3,    // opencl_local
1238  2,    // opencl_constant
1239  1,    // cuda_device
1240  2,    // cuda_constant
1241  3     // cuda_shared
1242};
1243
1244class R600TargetInfo : public TargetInfo {
1245public:
1246  R600TargetInfo(const std::string& triple) : TargetInfo(triple) {
1247    DescriptionString =
1248          "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
1249          "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
1250          "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
1251          "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
1252          "-v512:512:512-v1024:1024:1024-v2048:2048:2048"
1253          "-n8:16:32:64";
1254    AddrSpaceMap = &R600AddrSpaceMap;
1255  }
1256
1257  virtual const char * getClobbers() const {
1258    return "";
1259  }
1260
1261  virtual void getGCCRegNames(const char * const *&Names,
1262                              unsigned &numNames) const  {
1263    Names = NULL;
1264    numNames = 0;
1265  }
1266
1267  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
1268                                unsigned &NumAliases) const {
1269    Aliases = NULL;
1270    NumAliases = 0;
1271  }
1272
1273  virtual bool validateAsmConstraint(const char *&Name,
1274                                     TargetInfo::ConstraintInfo &info) const {
1275    return true;
1276  }
1277
1278  virtual void getTargetBuiltins(const Builtin::Info *&Records,
1279                                 unsigned &NumRecords) const {
1280    Records = NULL;
1281    NumRecords = 0;
1282  }
1283
1284
1285  virtual void getTargetDefines(const LangOptions &Opts,
1286                                MacroBuilder &Builder) const {
1287    Builder.defineMacro("__R600__");
1288  }
1289
1290  virtual BuiltinVaListKind getBuiltinVaListKind() const {
1291    return TargetInfo::CharPtrBuiltinVaList;
1292  }
1293
1294};
1295
1296} // end anonymous namespace
1297
1298namespace {
1299// MBlaze abstract base class
1300class MBlazeTargetInfo : public TargetInfo {
1301  static const char * const GCCRegNames[];
1302  static const TargetInfo::GCCRegAlias GCCRegAliases[];
1303
1304public:
1305  MBlazeTargetInfo(const std::string& triple) : TargetInfo(triple) {
1306    DescriptionString = "E-p:32:32:32-i8:8:8-i16:16:16";
1307  }
1308
1309  virtual void getTargetBuiltins(const Builtin::Info *&Records,
1310                                 unsigned &NumRecords) const {
1311    // FIXME: Implement.
1312    Records = 0;
1313    NumRecords = 0;
1314  }
1315
1316  virtual void getTargetDefines(const LangOptions &Opts,
1317                                MacroBuilder &Builder) const;
1318
1319  virtual bool hasFeature(StringRef Feature) const {
1320    return Feature == "mblaze";
1321  }
1322
1323  virtual BuiltinVaListKind getBuiltinVaListKind() const {
1324    return TargetInfo::CharPtrBuiltinVaList;
1325  }
1326  virtual const char *getTargetPrefix() const {
1327    return "mblaze";
1328  }
1329  virtual void getGCCRegNames(const char * const *&Names,
1330                              unsigned &NumNames) const;
1331  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
1332                                unsigned &NumAliases) const;
1333  virtual bool validateAsmConstraint(const char *&Name,
1334                                     TargetInfo::ConstraintInfo &Info) const {
1335    switch (*Name) {
1336    default: return false;
1337    case 'O': // Zero
1338      return true;
1339    case 'b': // Base register
1340    case 'f': // Floating point register
1341      Info.setAllowsRegister();
1342      return true;
1343    }
1344  }
1345  virtual const char *getClobbers() const {
1346    return "";
1347  }
1348};
1349
1350/// MBlazeTargetInfo::getTargetDefines - Return a set of the MBlaze-specific
1351/// #defines that are not tied to a specific subtarget.
1352void MBlazeTargetInfo::getTargetDefines(const LangOptions &Opts,
1353                                     MacroBuilder &Builder) const {
1354  // Target identification.
1355  Builder.defineMacro("__microblaze__");
1356  Builder.defineMacro("_ARCH_MICROBLAZE");
1357  Builder.defineMacro("__MICROBLAZE__");
1358
1359  // Target properties.
1360  Builder.defineMacro("_BIG_ENDIAN");
1361  Builder.defineMacro("__BIG_ENDIAN__");
1362
1363  // Subtarget options.
1364  Builder.defineMacro("__REGISTER_PREFIX__", "");
1365}
1366
1367
1368const char * const MBlazeTargetInfo::GCCRegNames[] = {
1369  "r0",   "r1",   "r2",   "r3",   "r4",   "r5",   "r6",   "r7",
1370  "r8",   "r9",   "r10",  "r11",  "r12",  "r13",  "r14",  "r15",
1371  "r16",  "r17",  "r18",  "r19",  "r20",  "r21",  "r22",  "r23",
1372  "r24",  "r25",  "r26",  "r27",  "r28",  "r29",  "r30",  "r31",
1373  "$f0",  "$f1",  "$f2",  "$f3",  "$f4",  "$f5",  "$f6",  "$f7",
1374  "$f8",  "$f9",  "$f10", "$f11", "$f12", "$f13", "$f14", "$f15",
1375  "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23",
1376  "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31",
1377  "hi",   "lo",   "accum","rmsr", "$fcc1","$fcc2","$fcc3","$fcc4",
1378  "$fcc5","$fcc6","$fcc7","$ap",  "$rap", "$frp"
1379};
1380
1381void MBlazeTargetInfo::getGCCRegNames(const char * const *&Names,
1382                                   unsigned &NumNames) const {
1383  Names = GCCRegNames;
1384  NumNames = llvm::array_lengthof(GCCRegNames);
1385}
1386
1387const TargetInfo::GCCRegAlias MBlazeTargetInfo::GCCRegAliases[] = {
1388  { {"f0"},  "r0" },
1389  { {"f1"},  "r1" },
1390  { {"f2"},  "r2" },
1391  { {"f3"},  "r3" },
1392  { {"f4"},  "r4" },
1393  { {"f5"},  "r5" },
1394  { {"f6"},  "r6" },
1395  { {"f7"},  "r7" },
1396  { {"f8"},  "r8" },
1397  { {"f9"},  "r9" },
1398  { {"f10"}, "r10" },
1399  { {"f11"}, "r11" },
1400  { {"f12"}, "r12" },
1401  { {"f13"}, "r13" },
1402  { {"f14"}, "r14" },
1403  { {"f15"}, "r15" },
1404  { {"f16"}, "r16" },
1405  { {"f17"}, "r17" },
1406  { {"f18"}, "r18" },
1407  { {"f19"}, "r19" },
1408  { {"f20"}, "r20" },
1409  { {"f21"}, "r21" },
1410  { {"f22"}, "r22" },
1411  { {"f23"}, "r23" },
1412  { {"f24"}, "r24" },
1413  { {"f25"}, "r25" },
1414  { {"f26"}, "r26" },
1415  { {"f27"}, "r27" },
1416  { {"f28"}, "r28" },
1417  { {"f29"}, "r29" },
1418  { {"f30"}, "r30" },
1419  { {"f31"}, "r31" },
1420};
1421
1422void MBlazeTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
1423                                     unsigned &NumAliases) const {
1424  Aliases = GCCRegAliases;
1425  NumAliases = llvm::array_lengthof(GCCRegAliases);
1426}
1427} // end anonymous namespace.
1428
1429namespace {
1430// Namespace for x86 abstract base class
1431const Builtin::Info BuiltinInfo[] = {
1432#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
1433#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
1434                                              ALL_LANGUAGES },
1435#include "clang/Basic/BuiltinsX86.def"
1436};
1437
1438static const char* const GCCRegNames[] = {
1439  "ax", "dx", "cx", "bx", "si", "di", "bp", "sp",
1440  "st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
1441  "argp", "flags", "fpcr", "fpsr", "dirflag", "frame",
1442  "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
1443  "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
1444  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
1445  "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15",
1446  "ymm0", "ymm1", "ymm2", "ymm3", "ymm4", "ymm5", "ymm6", "ymm7",
1447  "ymm8", "ymm9", "ymm10", "ymm11", "ymm12", "ymm13", "ymm14", "ymm15",
1448};
1449
1450const TargetInfo::AddlRegName AddlRegNames[] = {
1451  { { "al", "ah", "eax", "rax" }, 0 },
1452  { { "bl", "bh", "ebx", "rbx" }, 3 },
1453  { { "cl", "ch", "ecx", "rcx" }, 2 },
1454  { { "dl", "dh", "edx", "rdx" }, 1 },
1455  { { "esi", "rsi" }, 4 },
1456  { { "edi", "rdi" }, 5 },
1457  { { "esp", "rsp" }, 7 },
1458  { { "ebp", "rbp" }, 6 },
1459};
1460
1461// X86 target abstract base class; x86-32 and x86-64 are very close, so
1462// most of the implementation can be shared.
1463class X86TargetInfo : public TargetInfo {
1464  enum X86SSEEnum {
1465    NoSSE, SSE1, SSE2, SSE3, SSSE3, SSE41, SSE42, AVX, AVX2
1466  } SSELevel;
1467  enum MMX3DNowEnum {
1468    NoMMX3DNow, MMX, AMD3DNow, AMD3DNowAthlon
1469  } MMX3DNowLevel;
1470
1471  bool HasAES;
1472  bool HasPCLMUL;
1473  bool HasLZCNT;
1474  bool HasRDRND;
1475  bool HasBMI;
1476  bool HasBMI2;
1477  bool HasPOPCNT;
1478  bool HasRTM;
1479  bool HasSSE4a;
1480  bool HasFMA4;
1481  bool HasFMA;
1482  bool HasXOP;
1483  bool HasF16C;
1484
1485  /// \brief Enumeration of all of the X86 CPUs supported by Clang.
1486  ///
1487  /// Each enumeration represents a particular CPU supported by Clang. These
1488  /// loosely correspond to the options passed to '-march' or '-mtune' flags.
1489  enum CPUKind {
1490    CK_Generic,
1491
1492    /// \name i386
1493    /// i386-generation processors.
1494    //@{
1495    CK_i386,
1496    //@}
1497
1498    /// \name i486
1499    /// i486-generation processors.
1500    //@{
1501    CK_i486,
1502    CK_WinChipC6,
1503    CK_WinChip2,
1504    CK_C3,
1505    //@}
1506
1507    /// \name i586
1508    /// i586-generation processors, P5 microarchitecture based.
1509    //@{
1510    CK_i586,
1511    CK_Pentium,
1512    CK_PentiumMMX,
1513    //@}
1514
1515    /// \name i686
1516    /// i686-generation processors, P6 / Pentium M microarchitecture based.
1517    //@{
1518    CK_i686,
1519    CK_PentiumPro,
1520    CK_Pentium2,
1521    CK_Pentium3,
1522    CK_Pentium3M,
1523    CK_PentiumM,
1524    CK_C3_2,
1525
1526    /// This enumerator is a bit odd, as GCC no longer accepts -march=yonah.
1527    /// Clang however has some logic to suport this.
1528    // FIXME: Warn, deprecate, and potentially remove this.
1529    CK_Yonah,
1530    //@}
1531
1532    /// \name Netburst
1533    /// Netburst microarchitecture based processors.
1534    //@{
1535    CK_Pentium4,
1536    CK_Pentium4M,
1537    CK_Prescott,
1538    CK_Nocona,
1539    //@}
1540
1541    /// \name Core
1542    /// Core microarchitecture based processors.
1543    //@{
1544    CK_Core2,
1545
1546    /// This enumerator, like \see CK_Yonah, is a bit odd. It is another
1547    /// codename which GCC no longer accepts as an option to -march, but Clang
1548    /// has some logic for recognizing it.
1549    // FIXME: Warn, deprecate, and potentially remove this.
1550    CK_Penryn,
1551    //@}
1552
1553    /// \name Atom
1554    /// Atom processors
1555    //@{
1556    CK_Atom,
1557    //@}
1558
1559    /// \name Nehalem
1560    /// Nehalem microarchitecture based processors.
1561    //@{
1562    CK_Corei7,
1563    CK_Corei7AVX,
1564    CK_CoreAVXi,
1565    CK_CoreAVX2,
1566    //@}
1567
1568    /// \name K6
1569    /// K6 architecture processors.
1570    //@{
1571    CK_K6,
1572    CK_K6_2,
1573    CK_K6_3,
1574    //@}
1575
1576    /// \name K7
1577    /// K7 architecture processors.
1578    //@{
1579    CK_Athlon,
1580    CK_AthlonThunderbird,
1581    CK_Athlon4,
1582    CK_AthlonXP,
1583    CK_AthlonMP,
1584    //@}
1585
1586    /// \name K8
1587    /// K8 architecture processors.
1588    //@{
1589    CK_Athlon64,
1590    CK_Athlon64SSE3,
1591    CK_AthlonFX,
1592    CK_K8,
1593    CK_K8SSE3,
1594    CK_Opteron,
1595    CK_OpteronSSE3,
1596    CK_AMDFAM10,
1597    //@}
1598
1599    /// \name Bobcat
1600    /// Bobcat architecture processors.
1601    //@{
1602    CK_BTVER1,
1603    //@}
1604
1605    /// \name Bulldozer
1606    /// Bulldozer architecture processors.
1607    //@{
1608    CK_BDVER1,
1609    CK_BDVER2,
1610    //@}
1611
1612    /// This specification is deprecated and will be removed in the future.
1613    /// Users should prefer \see CK_K8.
1614    // FIXME: Warn on this when the CPU is set to it.
1615    CK_x86_64,
1616    //@}
1617
1618    /// \name Geode
1619    /// Geode processors.
1620    //@{
1621    CK_Geode
1622    //@}
1623  } CPU;
1624
1625public:
1626  X86TargetInfo(const std::string& triple)
1627    : TargetInfo(triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow),
1628      HasAES(false), HasPCLMUL(false), HasLZCNT(false), HasRDRND(false),
1629      HasBMI(false), HasBMI2(false), HasPOPCNT(false), HasRTM(false),
1630      HasSSE4a(false), HasFMA4(false), HasFMA(false), HasXOP(false),
1631      HasF16C(false), CPU(CK_Generic) {
1632    BigEndian = false;
1633    LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
1634  }
1635  virtual unsigned getFloatEvalMethod() const {
1636    // X87 evaluates with 80 bits "long double" precision.
1637    return SSELevel == NoSSE ? 2 : 0;
1638  }
1639  virtual void getTargetBuiltins(const Builtin::Info *&Records,
1640                                 unsigned &NumRecords) const {
1641    Records = BuiltinInfo;
1642    NumRecords = clang::X86::LastTSBuiltin-Builtin::FirstTSBuiltin;
1643  }
1644  virtual void getGCCRegNames(const char * const *&Names,
1645                              unsigned &NumNames) const {
1646    Names = GCCRegNames;
1647    NumNames = llvm::array_lengthof(GCCRegNames);
1648  }
1649  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
1650                                unsigned &NumAliases) const {
1651    Aliases = 0;
1652    NumAliases = 0;
1653  }
1654  virtual void getGCCAddlRegNames(const AddlRegName *&Names,
1655                                  unsigned &NumNames) const {
1656    Names = AddlRegNames;
1657    NumNames = llvm::array_lengthof(AddlRegNames);
1658  }
1659  virtual bool validateAsmConstraint(const char *&Name,
1660                                     TargetInfo::ConstraintInfo &info) const;
1661  virtual std::string convertConstraint(const char *&Constraint) const;
1662  virtual const char *getClobbers() const {
1663    return "~{dirflag},~{fpsr},~{flags}";
1664  }
1665  virtual void getTargetDefines(const LangOptions &Opts,
1666                                MacroBuilder &Builder) const;
1667  virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features,
1668                                 StringRef Name,
1669                                 bool Enabled) const;
1670  virtual void getDefaultFeatures(llvm::StringMap<bool> &Features) const;
1671  virtual bool hasFeature(StringRef Feature) const;
1672  virtual void HandleTargetFeatures(std::vector<std::string> &Features);
1673  virtual const char* getABI() const {
1674    if (getTriple().getArch() == llvm::Triple::x86_64 && SSELevel >= AVX)
1675      return "avx";
1676    else if (getTriple().getArch() == llvm::Triple::x86 &&
1677             MMX3DNowLevel == NoMMX3DNow)
1678      return "no-mmx";
1679    return "";
1680  }
1681  virtual bool setCPU(const std::string &Name) {
1682    CPU = llvm::StringSwitch<CPUKind>(Name)
1683      .Case("i386", CK_i386)
1684      .Case("i486", CK_i486)
1685      .Case("winchip-c6", CK_WinChipC6)
1686      .Case("winchip2", CK_WinChip2)
1687      .Case("c3", CK_C3)
1688      .Case("i586", CK_i586)
1689      .Case("pentium", CK_Pentium)
1690      .Case("pentium-mmx", CK_PentiumMMX)
1691      .Case("i686", CK_i686)
1692      .Case("pentiumpro", CK_PentiumPro)
1693      .Case("pentium2", CK_Pentium2)
1694      .Case("pentium3", CK_Pentium3)
1695      .Case("pentium3m", CK_Pentium3M)
1696      .Case("pentium-m", CK_PentiumM)
1697      .Case("c3-2", CK_C3_2)
1698      .Case("yonah", CK_Yonah)
1699      .Case("pentium4", CK_Pentium4)
1700      .Case("pentium4m", CK_Pentium4M)
1701      .Case("prescott", CK_Prescott)
1702      .Case("nocona", CK_Nocona)
1703      .Case("core2", CK_Core2)
1704      .Case("penryn", CK_Penryn)
1705      .Case("atom", CK_Atom)
1706      .Case("corei7", CK_Corei7)
1707      .Case("corei7-avx", CK_Corei7AVX)
1708      .Case("core-avx-i", CK_CoreAVXi)
1709      .Case("core-avx2", CK_CoreAVX2)
1710      .Case("k6", CK_K6)
1711      .Case("k6-2", CK_K6_2)
1712      .Case("k6-3", CK_K6_3)
1713      .Case("athlon", CK_Athlon)
1714      .Case("athlon-tbird", CK_AthlonThunderbird)
1715      .Case("athlon-4", CK_Athlon4)
1716      .Case("athlon-xp", CK_AthlonXP)
1717      .Case("athlon-mp", CK_AthlonMP)
1718      .Case("athlon64", CK_Athlon64)
1719      .Case("athlon64-sse3", CK_Athlon64SSE3)
1720      .Case("athlon-fx", CK_AthlonFX)
1721      .Case("k8", CK_K8)
1722      .Case("k8-sse3", CK_K8SSE3)
1723      .Case("opteron", CK_Opteron)
1724      .Case("opteron-sse3", CK_OpteronSSE3)
1725      .Case("amdfam10", CK_AMDFAM10)
1726      .Case("btver1", CK_BTVER1)
1727      .Case("bdver1", CK_BDVER1)
1728      .Case("bdver2", CK_BDVER2)
1729      .Case("x86-64", CK_x86_64)
1730      .Case("geode", CK_Geode)
1731      .Default(CK_Generic);
1732
1733    // Perform any per-CPU checks necessary to determine if this CPU is
1734    // acceptable.
1735    // FIXME: This results in terrible diagnostics. Clang just says the CPU is
1736    // invalid without explaining *why*.
1737    switch (CPU) {
1738    case CK_Generic:
1739      // No processor selected!
1740      return false;
1741
1742    case CK_i386:
1743    case CK_i486:
1744    case CK_WinChipC6:
1745    case CK_WinChip2:
1746    case CK_C3:
1747    case CK_i586:
1748    case CK_Pentium:
1749    case CK_PentiumMMX:
1750    case CK_i686:
1751    case CK_PentiumPro:
1752    case CK_Pentium2:
1753    case CK_Pentium3:
1754    case CK_Pentium3M:
1755    case CK_PentiumM:
1756    case CK_Yonah:
1757    case CK_C3_2:
1758    case CK_Pentium4:
1759    case CK_Pentium4M:
1760    case CK_Prescott:
1761    case CK_K6:
1762    case CK_K6_2:
1763    case CK_K6_3:
1764    case CK_Athlon:
1765    case CK_AthlonThunderbird:
1766    case CK_Athlon4:
1767    case CK_AthlonXP:
1768    case CK_AthlonMP:
1769    case CK_Geode:
1770      // Only accept certain architectures when compiling in 32-bit mode.
1771      if (getTriple().getArch() != llvm::Triple::x86)
1772        return false;
1773
1774      // Fallthrough
1775    case CK_Nocona:
1776    case CK_Core2:
1777    case CK_Penryn:
1778    case CK_Atom:
1779    case CK_Corei7:
1780    case CK_Corei7AVX:
1781    case CK_CoreAVXi:
1782    case CK_CoreAVX2:
1783    case CK_Athlon64:
1784    case CK_Athlon64SSE3:
1785    case CK_AthlonFX:
1786    case CK_K8:
1787    case CK_K8SSE3:
1788    case CK_Opteron:
1789    case CK_OpteronSSE3:
1790    case CK_AMDFAM10:
1791    case CK_BTVER1:
1792    case CK_BDVER1:
1793    case CK_BDVER2:
1794    case CK_x86_64:
1795      return true;
1796    }
1797    llvm_unreachable("Unhandled CPU kind");
1798  }
1799
1800  virtual CallingConvCheckResult checkCallingConvention(CallingConv CC) const {
1801    // We accept all non-ARM calling conventions
1802    return (CC == CC_X86ThisCall ||
1803            CC == CC_X86FastCall ||
1804            CC == CC_X86StdCall ||
1805            CC == CC_C ||
1806            CC == CC_X86Pascal ||
1807            CC == CC_IntelOclBicc) ? CCCR_OK : CCCR_Warning;
1808  }
1809
1810  virtual CallingConv getDefaultCallingConv(CallingConvMethodType MT) const {
1811    return MT == CCMT_Member ? CC_X86ThisCall : CC_C;
1812  }
1813};
1814
1815void X86TargetInfo::getDefaultFeatures(llvm::StringMap<bool> &Features) const {
1816  // FIXME: This should not be here.
1817  Features["3dnow"] = false;
1818  Features["3dnowa"] = false;
1819  Features["mmx"] = false;
1820  Features["sse"] = false;
1821  Features["sse2"] = false;
1822  Features["sse3"] = false;
1823  Features["ssse3"] = false;
1824  Features["sse41"] = false;
1825  Features["sse42"] = false;
1826  Features["sse4a"] = false;
1827  Features["aes"] = false;
1828  Features["pclmul"] = false;
1829  Features["avx"] = false;
1830  Features["avx2"] = false;
1831  Features["lzcnt"] = false;
1832  Features["rdrand"] = false;
1833  Features["bmi"] = false;
1834  Features["bmi2"] = false;
1835  Features["popcnt"] = false;
1836  Features["rtm"] = false;
1837  Features["fma4"] = false;
1838  Features["fma"] = false;
1839  Features["xop"] = false;
1840  Features["f16c"] = false;
1841
1842  // FIXME: This *really* should not be here.
1843
1844  // X86_64 always has SSE2.
1845  if (getTriple().getArch() == llvm::Triple::x86_64)
1846    setFeatureEnabled(Features, "sse2", true);
1847
1848  switch (CPU) {
1849  case CK_Generic:
1850  case CK_i386:
1851  case CK_i486:
1852  case CK_i586:
1853  case CK_Pentium:
1854  case CK_i686:
1855  case CK_PentiumPro:
1856    break;
1857  case CK_PentiumMMX:
1858  case CK_Pentium2:
1859    setFeatureEnabled(Features, "mmx", true);
1860    break;
1861  case CK_Pentium3:
1862  case CK_Pentium3M:
1863    setFeatureEnabled(Features, "sse", true);
1864    break;
1865  case CK_PentiumM:
1866  case CK_Pentium4:
1867  case CK_Pentium4M:
1868  case CK_x86_64:
1869    setFeatureEnabled(Features, "sse2", true);
1870    break;
1871  case CK_Yonah:
1872  case CK_Prescott:
1873  case CK_Nocona:
1874    setFeatureEnabled(Features, "sse3", true);
1875    break;
1876  case CK_Core2:
1877    setFeatureEnabled(Features, "ssse3", true);
1878    break;
1879  case CK_Penryn:
1880    setFeatureEnabled(Features, "sse4.1", true);
1881    break;
1882  case CK_Atom:
1883    setFeatureEnabled(Features, "ssse3", true);
1884    break;
1885  case CK_Corei7:
1886    setFeatureEnabled(Features, "sse4", true);
1887    break;
1888  case CK_Corei7AVX:
1889    setFeatureEnabled(Features, "avx", true);
1890    setFeatureEnabled(Features, "aes", true);
1891    setFeatureEnabled(Features, "pclmul", true);
1892    break;
1893  case CK_CoreAVXi:
1894    setFeatureEnabled(Features, "avx", true);
1895    setFeatureEnabled(Features, "aes", true);
1896    setFeatureEnabled(Features, "pclmul", true);
1897    setFeatureEnabled(Features, "rdrnd", true);
1898    setFeatureEnabled(Features, "f16c", true);
1899    break;
1900  case CK_CoreAVX2:
1901    setFeatureEnabled(Features, "avx2", true);
1902    setFeatureEnabled(Features, "aes", true);
1903    setFeatureEnabled(Features, "pclmul", true);
1904    setFeatureEnabled(Features, "lzcnt", true);
1905    setFeatureEnabled(Features, "rdrnd", true);
1906    setFeatureEnabled(Features, "f16c", true);
1907    setFeatureEnabled(Features, "bmi", true);
1908    setFeatureEnabled(Features, "bmi2", true);
1909    setFeatureEnabled(Features, "rtm", true);
1910    setFeatureEnabled(Features, "fma", true);
1911    break;
1912  case CK_K6:
1913  case CK_WinChipC6:
1914    setFeatureEnabled(Features, "mmx", true);
1915    break;
1916  case CK_K6_2:
1917  case CK_K6_3:
1918  case CK_WinChip2:
1919  case CK_C3:
1920    setFeatureEnabled(Features, "3dnow", true);
1921    break;
1922  case CK_Athlon:
1923  case CK_AthlonThunderbird:
1924  case CK_Geode:
1925    setFeatureEnabled(Features, "3dnowa", true);
1926    break;
1927  case CK_Athlon4:
1928  case CK_AthlonXP:
1929  case CK_AthlonMP:
1930    setFeatureEnabled(Features, "sse", true);
1931    setFeatureEnabled(Features, "3dnowa", true);
1932    break;
1933  case CK_K8:
1934  case CK_Opteron:
1935  case CK_Athlon64:
1936  case CK_AthlonFX:
1937    setFeatureEnabled(Features, "sse2", true);
1938    setFeatureEnabled(Features, "3dnowa", true);
1939    break;
1940  case CK_K8SSE3:
1941  case CK_OpteronSSE3:
1942  case CK_Athlon64SSE3:
1943    setFeatureEnabled(Features, "sse3", true);
1944    setFeatureEnabled(Features, "3dnowa", true);
1945    break;
1946  case CK_AMDFAM10:
1947    setFeatureEnabled(Features, "sse3", true);
1948    setFeatureEnabled(Features, "sse4a", true);
1949    setFeatureEnabled(Features, "3dnowa", true);
1950    setFeatureEnabled(Features, "lzcnt", true);
1951    setFeatureEnabled(Features, "popcnt", true);
1952    break;
1953  case CK_BTVER1:
1954    setFeatureEnabled(Features, "ssse3", true);
1955    setFeatureEnabled(Features, "sse4a", true);
1956    setFeatureEnabled(Features, "lzcnt", true);
1957    setFeatureEnabled(Features, "popcnt", true);
1958    break;
1959  case CK_BDVER1:
1960    setFeatureEnabled(Features, "xop", true);
1961    setFeatureEnabled(Features, "lzcnt", true);
1962    setFeatureEnabled(Features, "aes", true);
1963    setFeatureEnabled(Features, "pclmul", true);
1964    break;
1965  case CK_BDVER2:
1966    setFeatureEnabled(Features, "xop", true);
1967    setFeatureEnabled(Features, "lzcnt", true);
1968    setFeatureEnabled(Features, "aes", true);
1969    setFeatureEnabled(Features, "pclmul", true);
1970    setFeatureEnabled(Features, "bmi", true);
1971    setFeatureEnabled(Features, "fma", true);
1972    setFeatureEnabled(Features, "f16c", true);
1973    break;
1974  case CK_C3_2:
1975    setFeatureEnabled(Features, "sse", true);
1976    break;
1977  }
1978}
1979
1980bool X86TargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features,
1981                                      StringRef Name,
1982                                      bool Enabled) const {
1983  // FIXME: This *really* should not be here.  We need some way of translating
1984  // options into llvm subtarget features.
1985  if (!Features.count(Name) &&
1986      (Name != "sse4" && Name != "sse4.2" && Name != "sse4.1" &&
1987       Name != "rdrnd"))
1988    return false;
1989
1990  // FIXME: this should probably use a switch with fall through.
1991
1992  if (Enabled) {
1993    if (Name == "mmx")
1994      Features["mmx"] = true;
1995    else if (Name == "sse")
1996      Features["mmx"] = Features["sse"] = true;
1997    else if (Name == "sse2")
1998      Features["mmx"] = Features["sse"] = Features["sse2"] = true;
1999    else if (Name == "sse3")
2000      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2001        true;
2002    else if (Name == "ssse3")
2003      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2004        Features["ssse3"] = true;
2005    else if (Name == "sse4" || Name == "sse4.2")
2006      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2007        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2008        Features["popcnt"] = true;
2009    else if (Name == "sse4.1")
2010      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2011        Features["ssse3"] = Features["sse41"] = true;
2012    else if (Name == "3dnow")
2013      Features["mmx"] = Features["3dnow"] = true;
2014    else if (Name == "3dnowa")
2015      Features["mmx"] = Features["3dnow"] = Features["3dnowa"] = true;
2016    else if (Name == "aes")
2017      Features["sse"] = Features["sse2"] = Features["aes"] = true;
2018    else if (Name == "pclmul")
2019      Features["sse"] = Features["sse2"] = Features["pclmul"] = true;
2020    else if (Name == "avx")
2021      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2022        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2023        Features["popcnt"] = Features["avx"] = true;
2024    else if (Name == "avx2")
2025      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2026        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2027        Features["popcnt"] = Features["avx"] = Features["avx2"] = true;
2028    else if (Name == "fma")
2029      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2030        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2031        Features["popcnt"] = Features["avx"] = Features["fma"] = true;
2032    else if (Name == "fma4")
2033      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2034        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2035        Features["popcnt"] = Features["avx"] = Features["sse4a"] =
2036        Features["fma4"] = true;
2037    else if (Name == "xop")
2038      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2039        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2040        Features["popcnt"] = Features["avx"] = Features["sse4a"] =
2041        Features["fma4"] = Features["xop"] = true;
2042    else if (Name == "sse4a")
2043      Features["mmx"] = Features["sse"] = Features["sse2"] = Features["sse3"] =
2044        Features["sse4a"] = true;
2045    else if (Name == "lzcnt")
2046      Features["lzcnt"] = true;
2047    else if (Name == "rdrnd")
2048      Features["rdrand"] = true;
2049    else if (Name == "bmi")
2050      Features["bmi"] = true;
2051    else if (Name == "bmi2")
2052      Features["bmi2"] = true;
2053    else if (Name == "popcnt")
2054      Features["popcnt"] = true;
2055    else if (Name == "f16c")
2056      Features["f16c"] = true;
2057    else if (Name == "rtm")
2058      Features["rtm"] = true;
2059  } else {
2060    if (Name == "mmx")
2061      Features["mmx"] = Features["3dnow"] = Features["3dnowa"] = false;
2062    else if (Name == "sse")
2063      Features["sse"] = Features["sse2"] = Features["sse3"] =
2064        Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2065        Features["sse4a"] = Features["avx"] = Features["avx2"] =
2066        Features["fma"] = Features["fma4"] = Features["aes"] =
2067        Features["pclmul"] = Features["xop"] = false;
2068    else if (Name == "sse2")
2069      Features["sse2"] = Features["sse3"] = Features["ssse3"] =
2070        Features["sse41"] = Features["sse42"] = Features["sse4a"] =
2071        Features["avx"] = Features["avx2"] = Features["fma"] =
2072        Features["fma4"] = Features["aes"] = Features["pclmul"] =
2073        Features["xop"] = false;
2074    else if (Name == "sse3")
2075      Features["sse3"] = Features["ssse3"] = Features["sse41"] =
2076        Features["sse42"] = Features["sse4a"] = Features["avx"] =
2077        Features["avx2"] = Features["fma"] = Features["fma4"] =
2078        Features["xop"] = false;
2079    else if (Name == "ssse3")
2080      Features["ssse3"] = Features["sse41"] = Features["sse42"] =
2081        Features["avx"] = Features["avx2"] = Features["fma"] = false;
2082    else if (Name == "sse4" || Name == "sse4.1")
2083      Features["sse41"] = Features["sse42"] = Features["avx"] =
2084        Features["avx2"] = Features["fma"] = false;
2085    else if (Name == "sse4.2")
2086      Features["sse42"] = Features["avx"] = Features["avx2"] =
2087        Features["fma"] = false;
2088    else if (Name == "3dnow")
2089      Features["3dnow"] = Features["3dnowa"] = false;
2090    else if (Name == "3dnowa")
2091      Features["3dnowa"] = false;
2092    else if (Name == "aes")
2093      Features["aes"] = false;
2094    else if (Name == "pclmul")
2095      Features["pclmul"] = false;
2096    else if (Name == "avx")
2097      Features["avx"] = Features["avx2"] = Features["fma"] =
2098        Features["fma4"] = Features["xop"] = false;
2099    else if (Name == "avx2")
2100      Features["avx2"] = false;
2101    else if (Name == "fma")
2102      Features["fma"] = false;
2103    else if (Name == "sse4a")
2104      Features["sse4a"] = Features["fma4"] = Features["xop"] = false;
2105    else if (Name == "lzcnt")
2106      Features["lzcnt"] = false;
2107    else if (Name == "rdrnd")
2108      Features["rdrand"] = false;
2109    else if (Name == "bmi")
2110      Features["bmi"] = false;
2111    else if (Name == "bmi2")
2112      Features["bmi2"] = false;
2113    else if (Name == "popcnt")
2114      Features["popcnt"] = false;
2115    else if (Name == "fma4")
2116      Features["fma4"] = Features["xop"] = false;
2117    else if (Name == "xop")
2118      Features["xop"] = false;
2119    else if (Name == "f16c")
2120      Features["f16c"] = false;
2121    else if (Name == "rtm")
2122      Features["rtm"] = false;
2123  }
2124
2125  return true;
2126}
2127
2128/// HandleTargetOptions - Perform initialization based on the user
2129/// configured set of features.
2130void X86TargetInfo::HandleTargetFeatures(std::vector<std::string> &Features) {
2131  // Remember the maximum enabled sselevel.
2132  for (unsigned i = 0, e = Features.size(); i !=e; ++i) {
2133    // Ignore disabled features.
2134    if (Features[i][0] == '-')
2135      continue;
2136
2137    StringRef Feature = StringRef(Features[i]).substr(1);
2138
2139    if (Feature == "aes") {
2140      HasAES = true;
2141      continue;
2142    }
2143
2144    if (Feature == "pclmul") {
2145      HasPCLMUL = true;
2146      continue;
2147    }
2148
2149    if (Feature == "lzcnt") {
2150      HasLZCNT = true;
2151      continue;
2152    }
2153
2154    if (Feature == "rdrand") {
2155      HasRDRND = true;
2156      continue;
2157    }
2158
2159    if (Feature == "bmi") {
2160      HasBMI = true;
2161      continue;
2162    }
2163
2164    if (Feature == "bmi2") {
2165      HasBMI2 = true;
2166      continue;
2167    }
2168
2169    if (Feature == "popcnt") {
2170      HasPOPCNT = true;
2171      continue;
2172    }
2173
2174    if (Feature == "rtm") {
2175      HasRTM = true;
2176      continue;
2177    }
2178
2179    if (Feature == "sse4a") {
2180      HasSSE4a = true;
2181      continue;
2182    }
2183
2184    if (Feature == "fma4") {
2185      HasFMA4 = true;
2186      continue;
2187    }
2188
2189    if (Feature == "fma") {
2190      HasFMA = true;
2191      continue;
2192    }
2193
2194    if (Feature == "xop") {
2195      HasXOP = true;
2196      continue;
2197    }
2198
2199    if (Feature == "f16c") {
2200      HasF16C = true;
2201      continue;
2202    }
2203
2204    assert(Features[i][0] == '+' && "Invalid target feature!");
2205    X86SSEEnum Level = llvm::StringSwitch<X86SSEEnum>(Feature)
2206      .Case("avx2", AVX2)
2207      .Case("avx", AVX)
2208      .Case("sse42", SSE42)
2209      .Case("sse41", SSE41)
2210      .Case("ssse3", SSSE3)
2211      .Case("sse3", SSE3)
2212      .Case("sse2", SSE2)
2213      .Case("sse", SSE1)
2214      .Default(NoSSE);
2215    SSELevel = std::max(SSELevel, Level);
2216
2217    MMX3DNowEnum ThreeDNowLevel =
2218      llvm::StringSwitch<MMX3DNowEnum>(Feature)
2219        .Case("3dnowa", AMD3DNowAthlon)
2220        .Case("3dnow", AMD3DNow)
2221        .Case("mmx", MMX)
2222        .Default(NoMMX3DNow);
2223
2224    MMX3DNowLevel = std::max(MMX3DNowLevel, ThreeDNowLevel);
2225  }
2226
2227  // Don't tell the backend if we're turning off mmx; it will end up disabling
2228  // SSE, which we don't want.
2229  std::vector<std::string>::iterator it;
2230  it = std::find(Features.begin(), Features.end(), "-mmx");
2231  if (it != Features.end())
2232    Features.erase(it);
2233}
2234
2235/// X86TargetInfo::getTargetDefines - Return the set of the X86-specific macro
2236/// definitions for this particular subtarget.
2237void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
2238                                     MacroBuilder &Builder) const {
2239  // Target identification.
2240  if (getTriple().getArch() == llvm::Triple::x86_64) {
2241    Builder.defineMacro("__amd64__");
2242    Builder.defineMacro("__amd64");
2243    Builder.defineMacro("__x86_64");
2244    Builder.defineMacro("__x86_64__");
2245  } else {
2246    DefineStd(Builder, "i386", Opts);
2247  }
2248
2249  // Subtarget options.
2250  // FIXME: We are hard-coding the tune parameters based on the CPU, but they
2251  // truly should be based on -mtune options.
2252  switch (CPU) {
2253  case CK_Generic:
2254    break;
2255  case CK_i386:
2256    // The rest are coming from the i386 define above.
2257    Builder.defineMacro("__tune_i386__");
2258    break;
2259  case CK_i486:
2260  case CK_WinChipC6:
2261  case CK_WinChip2:
2262  case CK_C3:
2263    defineCPUMacros(Builder, "i486");
2264    break;
2265  case CK_PentiumMMX:
2266    Builder.defineMacro("__pentium_mmx__");
2267    Builder.defineMacro("__tune_pentium_mmx__");
2268    // Fallthrough
2269  case CK_i586:
2270  case CK_Pentium:
2271    defineCPUMacros(Builder, "i586");
2272    defineCPUMacros(Builder, "pentium");
2273    break;
2274  case CK_Pentium3:
2275  case CK_Pentium3M:
2276  case CK_PentiumM:
2277    Builder.defineMacro("__tune_pentium3__");
2278    // Fallthrough
2279  case CK_Pentium2:
2280  case CK_C3_2:
2281    Builder.defineMacro("__tune_pentium2__");
2282    // Fallthrough
2283  case CK_PentiumPro:
2284    Builder.defineMacro("__tune_i686__");
2285    Builder.defineMacro("__tune_pentiumpro__");
2286    // Fallthrough
2287  case CK_i686:
2288    Builder.defineMacro("__i686");
2289    Builder.defineMacro("__i686__");
2290    // Strangely, __tune_i686__ isn't defined by GCC when CPU == i686.
2291    Builder.defineMacro("__pentiumpro");
2292    Builder.defineMacro("__pentiumpro__");
2293    break;
2294  case CK_Pentium4:
2295  case CK_Pentium4M:
2296    defineCPUMacros(Builder, "pentium4");
2297    break;
2298  case CK_Yonah:
2299  case CK_Prescott:
2300  case CK_Nocona:
2301    defineCPUMacros(Builder, "nocona");
2302    break;
2303  case CK_Core2:
2304  case CK_Penryn:
2305    defineCPUMacros(Builder, "core2");
2306    break;
2307  case CK_Atom:
2308    defineCPUMacros(Builder, "atom");
2309    break;
2310  case CK_Corei7:
2311  case CK_Corei7AVX:
2312  case CK_CoreAVXi:
2313  case CK_CoreAVX2:
2314    defineCPUMacros(Builder, "corei7");
2315    break;
2316  case CK_K6_2:
2317    Builder.defineMacro("__k6_2__");
2318    Builder.defineMacro("__tune_k6_2__");
2319    // Fallthrough
2320  case CK_K6_3:
2321    if (CPU != CK_K6_2) {  // In case of fallthrough
2322      // FIXME: GCC may be enabling these in cases where some other k6
2323      // architecture is specified but -m3dnow is explicitly provided. The
2324      // exact semantics need to be determined and emulated here.
2325      Builder.defineMacro("__k6_3__");
2326      Builder.defineMacro("__tune_k6_3__");
2327    }
2328    // Fallthrough
2329  case CK_K6:
2330    defineCPUMacros(Builder, "k6");
2331    break;
2332  case CK_Athlon:
2333  case CK_AthlonThunderbird:
2334  case CK_Athlon4:
2335  case CK_AthlonXP:
2336  case CK_AthlonMP:
2337    defineCPUMacros(Builder, "athlon");
2338    if (SSELevel != NoSSE) {
2339      Builder.defineMacro("__athlon_sse__");
2340      Builder.defineMacro("__tune_athlon_sse__");
2341    }
2342    break;
2343  case CK_K8:
2344  case CK_K8SSE3:
2345  case CK_x86_64:
2346  case CK_Opteron:
2347  case CK_OpteronSSE3:
2348  case CK_Athlon64:
2349  case CK_Athlon64SSE3:
2350  case CK_AthlonFX:
2351    defineCPUMacros(Builder, "k8");
2352    break;
2353  case CK_AMDFAM10:
2354    defineCPUMacros(Builder, "amdfam10");
2355    break;
2356  case CK_BTVER1:
2357    defineCPUMacros(Builder, "btver1");
2358    break;
2359  case CK_BDVER1:
2360    defineCPUMacros(Builder, "bdver1");
2361    break;
2362  case CK_BDVER2:
2363    defineCPUMacros(Builder, "bdver2");
2364    break;
2365  case CK_Geode:
2366    defineCPUMacros(Builder, "geode");
2367    break;
2368  }
2369
2370  // Target properties.
2371  Builder.defineMacro("__LITTLE_ENDIAN__");
2372  Builder.defineMacro("__REGISTER_PREFIX__", "");
2373
2374  // Define __NO_MATH_INLINES on linux/x86 so that we don't get inline
2375  // functions in glibc header files that use FP Stack inline asm which the
2376  // backend can't deal with (PR879).
2377  Builder.defineMacro("__NO_MATH_INLINES");
2378
2379  if (HasAES)
2380    Builder.defineMacro("__AES__");
2381
2382  if (HasPCLMUL)
2383    Builder.defineMacro("__PCLMUL__");
2384
2385  if (HasLZCNT)
2386    Builder.defineMacro("__LZCNT__");
2387
2388  if (HasRDRND)
2389    Builder.defineMacro("__RDRND__");
2390
2391  if (HasBMI)
2392    Builder.defineMacro("__BMI__");
2393
2394  if (HasBMI2)
2395    Builder.defineMacro("__BMI2__");
2396
2397  if (HasPOPCNT)
2398    Builder.defineMacro("__POPCNT__");
2399
2400  if (HasRTM)
2401    Builder.defineMacro("__RTM__");
2402
2403  if (HasSSE4a)
2404    Builder.defineMacro("__SSE4A__");
2405
2406  if (HasFMA4)
2407    Builder.defineMacro("__FMA4__");
2408
2409  if (HasFMA)
2410    Builder.defineMacro("__FMA__");
2411
2412  if (HasXOP)
2413    Builder.defineMacro("__XOP__");
2414
2415  if (HasF16C)
2416    Builder.defineMacro("__F16C__");
2417
2418  // Each case falls through to the previous one here.
2419  switch (SSELevel) {
2420  case AVX2:
2421    Builder.defineMacro("__AVX2__");
2422  case AVX:
2423    Builder.defineMacro("__AVX__");
2424  case SSE42:
2425    Builder.defineMacro("__SSE4_2__");
2426  case SSE41:
2427    Builder.defineMacro("__SSE4_1__");
2428  case SSSE3:
2429    Builder.defineMacro("__SSSE3__");
2430  case SSE3:
2431    Builder.defineMacro("__SSE3__");
2432  case SSE2:
2433    Builder.defineMacro("__SSE2__");
2434    Builder.defineMacro("__SSE2_MATH__");  // -mfp-math=sse always implied.
2435  case SSE1:
2436    Builder.defineMacro("__SSE__");
2437    Builder.defineMacro("__SSE_MATH__");   // -mfp-math=sse always implied.
2438  case NoSSE:
2439    break;
2440  }
2441
2442  if (Opts.MicrosoftExt && getTriple().getArch() == llvm::Triple::x86) {
2443    switch (SSELevel) {
2444    case AVX2:
2445    case AVX:
2446    case SSE42:
2447    case SSE41:
2448    case SSSE3:
2449    case SSE3:
2450    case SSE2:
2451      Builder.defineMacro("_M_IX86_FP", Twine(2));
2452      break;
2453    case SSE1:
2454      Builder.defineMacro("_M_IX86_FP", Twine(1));
2455      break;
2456    default:
2457      Builder.defineMacro("_M_IX86_FP", Twine(0));
2458    }
2459  }
2460
2461  // Each case falls through to the previous one here.
2462  switch (MMX3DNowLevel) {
2463  case AMD3DNowAthlon:
2464    Builder.defineMacro("__3dNOW_A__");
2465  case AMD3DNow:
2466    Builder.defineMacro("__3dNOW__");
2467  case MMX:
2468    Builder.defineMacro("__MMX__");
2469  case NoMMX3DNow:
2470    break;
2471  }
2472}
2473
2474bool X86TargetInfo::hasFeature(StringRef Feature) const {
2475  return llvm::StringSwitch<bool>(Feature)
2476      .Case("aes", HasAES)
2477      .Case("avx", SSELevel >= AVX)
2478      .Case("avx2", SSELevel >= AVX2)
2479      .Case("bmi", HasBMI)
2480      .Case("bmi2", HasBMI2)
2481      .Case("fma", HasFMA)
2482      .Case("fma4", HasFMA4)
2483      .Case("lzcnt", HasLZCNT)
2484      .Case("rdrnd", HasRDRND)
2485      .Case("mm3dnow", MMX3DNowLevel >= AMD3DNow)
2486      .Case("mm3dnowa", MMX3DNowLevel >= AMD3DNowAthlon)
2487      .Case("mmx", MMX3DNowLevel >= MMX)
2488      .Case("pclmul", HasPCLMUL)
2489      .Case("popcnt", HasPOPCNT)
2490      .Case("rtm", HasRTM)
2491      .Case("sse", SSELevel >= SSE1)
2492      .Case("sse2", SSELevel >= SSE2)
2493      .Case("sse3", SSELevel >= SSE3)
2494      .Case("ssse3", SSELevel >= SSSE3)
2495      .Case("sse41", SSELevel >= SSE41)
2496      .Case("sse42", SSELevel >= SSE42)
2497      .Case("sse4a", HasSSE4a)
2498      .Case("x86", true)
2499      .Case("x86_32", getTriple().getArch() == llvm::Triple::x86)
2500      .Case("x86_64", getTriple().getArch() == llvm::Triple::x86_64)
2501      .Case("xop", HasXOP)
2502      .Case("f16c", HasF16C)
2503      .Default(false);
2504}
2505
2506bool
2507X86TargetInfo::validateAsmConstraint(const char *&Name,
2508                                     TargetInfo::ConstraintInfo &Info) const {
2509  switch (*Name) {
2510  default: return false;
2511  case 'Y': // first letter of a pair:
2512    switch (*(Name+1)) {
2513    default: return false;
2514    case '0':  // First SSE register.
2515    case 't':  // Any SSE register, when SSE2 is enabled.
2516    case 'i':  // Any SSE register, when SSE2 and inter-unit moves enabled.
2517    case 'm':  // any MMX register, when inter-unit moves enabled.
2518      break;   // falls through to setAllowsRegister.
2519  }
2520  case 'a': // eax.
2521  case 'b': // ebx.
2522  case 'c': // ecx.
2523  case 'd': // edx.
2524  case 'S': // esi.
2525  case 'D': // edi.
2526  case 'A': // edx:eax.
2527  case 'f': // any x87 floating point stack register.
2528  case 't': // top of floating point stack.
2529  case 'u': // second from top of floating point stack.
2530  case 'q': // Any register accessible as [r]l: a, b, c, and d.
2531  case 'y': // Any MMX register.
2532  case 'x': // Any SSE register.
2533  case 'Q': // Any register accessible as [r]h: a, b, c, and d.
2534  case 'R': // "Legacy" registers: ax, bx, cx, dx, di, si, sp, bp.
2535  case 'l': // "Index" registers: any general register that can be used as an
2536            // index in a base+index memory access.
2537    Info.setAllowsRegister();
2538    return true;
2539  case 'C': // SSE floating point constant.
2540  case 'G': // x87 floating point constant.
2541  case 'e': // 32-bit signed integer constant for use with zero-extending
2542            // x86_64 instructions.
2543  case 'Z': // 32-bit unsigned integer constant for use with zero-extending
2544            // x86_64 instructions.
2545    return true;
2546  }
2547}
2548
2549
2550std::string
2551X86TargetInfo::convertConstraint(const char *&Constraint) const {
2552  switch (*Constraint) {
2553  case 'a': return std::string("{ax}");
2554  case 'b': return std::string("{bx}");
2555  case 'c': return std::string("{cx}");
2556  case 'd': return std::string("{dx}");
2557  case 'S': return std::string("{si}");
2558  case 'D': return std::string("{di}");
2559  case 'p': // address
2560    return std::string("im");
2561  case 't': // top of floating point stack.
2562    return std::string("{st}");
2563  case 'u': // second from top of floating point stack.
2564    return std::string("{st(1)}"); // second from top of floating point stack.
2565  default:
2566    return std::string(1, *Constraint);
2567  }
2568}
2569} // end anonymous namespace
2570
2571namespace {
2572// X86-32 generic target
2573class X86_32TargetInfo : public X86TargetInfo {
2574public:
2575  X86_32TargetInfo(const std::string& triple) : X86TargetInfo(triple) {
2576    DoubleAlign = LongLongAlign = 32;
2577    LongDoubleWidth = 96;
2578    LongDoubleAlign = 32;
2579    SuitableAlign = 128;
2580    DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
2581                        "i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-"
2582                        "a0:0:64-f80:32:32-n8:16:32-S128";
2583    SizeType = UnsignedInt;
2584    PtrDiffType = SignedInt;
2585    IntPtrType = SignedInt;
2586    RegParmMax = 3;
2587
2588    // Use fpret for all types.
2589    RealTypeUsesObjCFPRet = ((1 << TargetInfo::Float) |
2590                             (1 << TargetInfo::Double) |
2591                             (1 << TargetInfo::LongDouble));
2592
2593    // x86-32 has atomics up to 8 bytes
2594    // FIXME: Check that we actually have cmpxchg8b before setting
2595    // MaxAtomicInlineWidth. (cmpxchg8b is an i586 instruction.)
2596    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
2597  }
2598  virtual BuiltinVaListKind getBuiltinVaListKind() const {
2599    return TargetInfo::CharPtrBuiltinVaList;
2600  }
2601
2602  int getEHDataRegisterNumber(unsigned RegNo) const {
2603    if (RegNo == 0) return 0;
2604    if (RegNo == 1) return 2;
2605    return -1;
2606  }
2607  virtual bool validateInputSize(StringRef Constraint,
2608                                 unsigned Size) const {
2609    switch (Constraint[0]) {
2610    default: break;
2611    case 'a':
2612    case 'b':
2613    case 'c':
2614    case 'd':
2615      return Size <= 32;
2616    }
2617
2618    return true;
2619  }
2620};
2621} // end anonymous namespace
2622
2623namespace {
2624class NetBSDI386TargetInfo : public NetBSDTargetInfo<X86_32TargetInfo> {
2625public:
2626  NetBSDI386TargetInfo(const std::string &triple) :
2627    NetBSDTargetInfo<X86_32TargetInfo>(triple) {
2628  }
2629
2630  virtual unsigned getFloatEvalMethod() const {
2631    // NetBSD defaults to "double" rounding
2632    return 1;
2633  }
2634};
2635} // end anonymous namespace
2636
2637namespace {
2638class OpenBSDI386TargetInfo : public OpenBSDTargetInfo<X86_32TargetInfo> {
2639public:
2640  OpenBSDI386TargetInfo(const std::string& triple) :
2641    OpenBSDTargetInfo<X86_32TargetInfo>(triple) {
2642    SizeType = UnsignedLong;
2643    IntPtrType = SignedLong;
2644    PtrDiffType = SignedLong;
2645  }
2646};
2647} // end anonymous namespace
2648
2649namespace {
2650class BitrigI386TargetInfo : public BitrigTargetInfo<X86_32TargetInfo> {
2651public:
2652  BitrigI386TargetInfo(const std::string& triple) :
2653    BitrigTargetInfo<X86_32TargetInfo>(triple) {
2654    SizeType = UnsignedLong;
2655    IntPtrType = SignedLong;
2656    PtrDiffType = SignedLong;
2657  }
2658};
2659} // end anonymous namespace
2660
2661namespace {
2662class DarwinI386TargetInfo : public DarwinTargetInfo<X86_32TargetInfo> {
2663public:
2664  DarwinI386TargetInfo(const std::string& triple) :
2665    DarwinTargetInfo<X86_32TargetInfo>(triple) {
2666    LongDoubleWidth = 128;
2667    LongDoubleAlign = 128;
2668    SuitableAlign = 128;
2669    MaxVectorAlign = 256;
2670    SizeType = UnsignedLong;
2671    IntPtrType = SignedLong;
2672    DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
2673                        "i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-"
2674                        "a0:0:64-f80:128:128-n8:16:32-S128";
2675    HasAlignMac68kSupport = true;
2676  }
2677
2678};
2679} // end anonymous namespace
2680
2681namespace {
2682// x86-32 Windows target
2683class WindowsX86_32TargetInfo : public WindowsTargetInfo<X86_32TargetInfo> {
2684public:
2685  WindowsX86_32TargetInfo(const std::string& triple)
2686    : WindowsTargetInfo<X86_32TargetInfo>(triple) {
2687    TLSSupported = false;
2688    WCharType = UnsignedShort;
2689    DoubleAlign = LongLongAlign = 64;
2690    DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
2691                        "i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-"
2692                        "v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32";
2693  }
2694  virtual void getTargetDefines(const LangOptions &Opts,
2695                                MacroBuilder &Builder) const {
2696    WindowsTargetInfo<X86_32TargetInfo>::getTargetDefines(Opts, Builder);
2697  }
2698};
2699} // end anonymous namespace
2700
2701namespace {
2702
2703// x86-32 Windows Visual Studio target
2704class VisualStudioWindowsX86_32TargetInfo : public WindowsX86_32TargetInfo {
2705public:
2706  VisualStudioWindowsX86_32TargetInfo(const std::string& triple)
2707    : WindowsX86_32TargetInfo(triple) {
2708    LongDoubleWidth = LongDoubleAlign = 64;
2709    LongDoubleFormat = &llvm::APFloat::IEEEdouble;
2710  }
2711  virtual void getTargetDefines(const LangOptions &Opts,
2712                                MacroBuilder &Builder) const {
2713    WindowsX86_32TargetInfo::getTargetDefines(Opts, Builder);
2714    WindowsX86_32TargetInfo::getVisualStudioDefines(Opts, Builder);
2715    // The value of the following reflects processor type.
2716    // 300=386, 400=486, 500=Pentium, 600=Blend (default)
2717    // We lost the original triple, so we use the default.
2718    Builder.defineMacro("_M_IX86", "600");
2719  }
2720};
2721} // end anonymous namespace
2722
2723namespace {
2724// x86-32 MinGW target
2725class MinGWX86_32TargetInfo : public WindowsX86_32TargetInfo {
2726public:
2727  MinGWX86_32TargetInfo(const std::string& triple)
2728    : WindowsX86_32TargetInfo(triple) {
2729  }
2730  virtual void getTargetDefines(const LangOptions &Opts,
2731                                MacroBuilder &Builder) const {
2732    WindowsX86_32TargetInfo::getTargetDefines(Opts, Builder);
2733    DefineStd(Builder, "WIN32", Opts);
2734    DefineStd(Builder, "WINNT", Opts);
2735    Builder.defineMacro("_X86_");
2736    Builder.defineMacro("__MSVCRT__");
2737    Builder.defineMacro("__MINGW32__");
2738
2739    // mingw32-gcc provides __declspec(a) as alias of __attribute__((a)).
2740    // In contrast, clang-cc1 provides __declspec(a) with -fms-extensions.
2741    if (Opts.MicrosoftExt)
2742      // Provide "as-is" __declspec.
2743      Builder.defineMacro("__declspec", "__declspec");
2744    else
2745      // Provide alias of __attribute__ like mingw32-gcc.
2746      Builder.defineMacro("__declspec(a)", "__attribute__((a))");
2747  }
2748};
2749} // end anonymous namespace
2750
2751namespace {
2752// x86-32 Cygwin target
2753class CygwinX86_32TargetInfo : public X86_32TargetInfo {
2754public:
2755  CygwinX86_32TargetInfo(const std::string& triple)
2756    : X86_32TargetInfo(triple) {
2757    TLSSupported = false;
2758    WCharType = UnsignedShort;
2759    DoubleAlign = LongLongAlign = 64;
2760    DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
2761                        "i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
2762                        "a0:0:64-f80:32:32-n8:16:32-S32";
2763  }
2764  virtual void getTargetDefines(const LangOptions &Opts,
2765                                MacroBuilder &Builder) const {
2766    X86_32TargetInfo::getTargetDefines(Opts, Builder);
2767    Builder.defineMacro("_X86_");
2768    Builder.defineMacro("__CYGWIN__");
2769    Builder.defineMacro("__CYGWIN32__");
2770    DefineStd(Builder, "unix", Opts);
2771    if (Opts.CPlusPlus)
2772      Builder.defineMacro("_GNU_SOURCE");
2773  }
2774};
2775} // end anonymous namespace
2776
2777namespace {
2778// x86-32 Haiku target
2779class HaikuX86_32TargetInfo : public X86_32TargetInfo {
2780public:
2781  HaikuX86_32TargetInfo(const std::string& triple)
2782    : X86_32TargetInfo(triple) {
2783    SizeType = UnsignedLong;
2784    IntPtrType = SignedLong;
2785    PtrDiffType = SignedLong;
2786    ProcessIDType = SignedLong;
2787    this->UserLabelPrefix = "";
2788    this->TLSSupported = false;
2789  }
2790  virtual void getTargetDefines(const LangOptions &Opts,
2791                                MacroBuilder &Builder) const {
2792    X86_32TargetInfo::getTargetDefines(Opts, Builder);
2793    Builder.defineMacro("__INTEL__");
2794    Builder.defineMacro("__HAIKU__");
2795  }
2796};
2797} // end anonymous namespace
2798
2799// RTEMS Target
2800template<typename Target>
2801class RTEMSTargetInfo : public OSTargetInfo<Target> {
2802protected:
2803  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
2804                            MacroBuilder &Builder) const {
2805    // RTEMS defines; list based off of gcc output
2806
2807    Builder.defineMacro("__rtems__");
2808    Builder.defineMacro("__ELF__");
2809  }
2810public:
2811  RTEMSTargetInfo(const std::string &triple)
2812    : OSTargetInfo<Target>(triple) {
2813      this->UserLabelPrefix = "";
2814
2815      llvm::Triple Triple(triple);
2816      switch (Triple.getArch()) {
2817        default:
2818        case llvm::Triple::x86:
2819          // this->MCountName = ".mcount";
2820          break;
2821        case llvm::Triple::mips:
2822        case llvm::Triple::mipsel:
2823        case llvm::Triple::ppc:
2824        case llvm::Triple::ppc64:
2825          // this->MCountName = "_mcount";
2826          break;
2827        case llvm::Triple::arm:
2828          // this->MCountName = "__mcount";
2829          break;
2830      }
2831
2832    }
2833};
2834
2835namespace {
2836// x86-32 RTEMS target
2837class RTEMSX86_32TargetInfo : public X86_32TargetInfo {
2838public:
2839  RTEMSX86_32TargetInfo(const std::string& triple)
2840    : X86_32TargetInfo(triple) {
2841    SizeType = UnsignedLong;
2842    IntPtrType = SignedLong;
2843    PtrDiffType = SignedLong;
2844    this->UserLabelPrefix = "";
2845  }
2846  virtual void getTargetDefines(const LangOptions &Opts,
2847                                MacroBuilder &Builder) const {
2848    X86_32TargetInfo::getTargetDefines(Opts, Builder);
2849    Builder.defineMacro("__INTEL__");
2850    Builder.defineMacro("__rtems__");
2851  }
2852};
2853} // end anonymous namespace
2854
2855namespace {
2856// x86-64 generic target
2857class X86_64TargetInfo : public X86TargetInfo {
2858public:
2859  X86_64TargetInfo(const std::string &triple) : X86TargetInfo(triple) {
2860    LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
2861    LongDoubleWidth = 128;
2862    LongDoubleAlign = 128;
2863    LargeArrayMinWidth = 128;
2864    LargeArrayAlign = 128;
2865    SuitableAlign = 128;
2866    IntMaxType = SignedLong;
2867    UIntMaxType = UnsignedLong;
2868    Int64Type = SignedLong;
2869    RegParmMax = 6;
2870
2871    DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
2872                        "i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
2873                        "a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128";
2874
2875    // Use fpret only for long double.
2876    RealTypeUsesObjCFPRet = (1 << TargetInfo::LongDouble);
2877
2878    // Use fp2ret for _Complex long double.
2879    ComplexLongDoubleUsesFP2Ret = true;
2880
2881    // x86-64 has atomics up to 16 bytes.
2882    // FIXME: Once the backend is fixed, increase MaxAtomicInlineWidth to 128
2883    // on CPUs with cmpxchg16b
2884    MaxAtomicPromoteWidth = 128;
2885    MaxAtomicInlineWidth = 64;
2886  }
2887  virtual BuiltinVaListKind getBuiltinVaListKind() const {
2888    return TargetInfo::X86_64ABIBuiltinVaList;
2889  }
2890
2891  int getEHDataRegisterNumber(unsigned RegNo) const {
2892    if (RegNo == 0) return 0;
2893    if (RegNo == 1) return 1;
2894    return -1;
2895  }
2896
2897  virtual CallingConvCheckResult checkCallingConvention(CallingConv CC) const {
2898    return TargetInfo::checkCallingConvention(CC);
2899  }
2900
2901  virtual CallingConv getDefaultCallingConv(CallingConvMethodType MT) const {
2902    return CC_C;
2903  }
2904
2905};
2906} // end anonymous namespace
2907
2908namespace {
2909// x86-64 Windows target
2910class WindowsX86_64TargetInfo : public WindowsTargetInfo<X86_64TargetInfo> {
2911public:
2912  WindowsX86_64TargetInfo(const std::string& triple)
2913    : WindowsTargetInfo<X86_64TargetInfo>(triple) {
2914    TLSSupported = false;
2915    WCharType = UnsignedShort;
2916    LongWidth = LongAlign = 32;
2917    DoubleAlign = LongLongAlign = 64;
2918    IntMaxType = SignedLongLong;
2919    UIntMaxType = UnsignedLongLong;
2920    Int64Type = SignedLongLong;
2921    SizeType = UnsignedLongLong;
2922    PtrDiffType = SignedLongLong;
2923    IntPtrType = SignedLongLong;
2924    this->UserLabelPrefix = "";
2925  }
2926  virtual void getTargetDefines(const LangOptions &Opts,
2927                                MacroBuilder &Builder) const {
2928    WindowsTargetInfo<X86_64TargetInfo>::getTargetDefines(Opts, Builder);
2929    Builder.defineMacro("_WIN64");
2930  }
2931  virtual BuiltinVaListKind getBuiltinVaListKind() const {
2932    return TargetInfo::CharPtrBuiltinVaList;
2933  }
2934};
2935} // end anonymous namespace
2936
2937namespace {
2938// x86-64 Windows Visual Studio target
2939class VisualStudioWindowsX86_64TargetInfo : public WindowsX86_64TargetInfo {
2940public:
2941  VisualStudioWindowsX86_64TargetInfo(const std::string& triple)
2942    : WindowsX86_64TargetInfo(triple) {
2943    LongDoubleWidth = LongDoubleAlign = 64;
2944    LongDoubleFormat = &llvm::APFloat::IEEEdouble;
2945  }
2946  virtual void getTargetDefines(const LangOptions &Opts,
2947                                MacroBuilder &Builder) const {
2948    WindowsX86_64TargetInfo::getTargetDefines(Opts, Builder);
2949    WindowsX86_64TargetInfo::getVisualStudioDefines(Opts, Builder);
2950    Builder.defineMacro("_M_X64");
2951    Builder.defineMacro("_M_AMD64");
2952  }
2953};
2954} // end anonymous namespace
2955
2956namespace {
2957// x86-64 MinGW target
2958class MinGWX86_64TargetInfo : public WindowsX86_64TargetInfo {
2959public:
2960  MinGWX86_64TargetInfo(const std::string& triple)
2961    : WindowsX86_64TargetInfo(triple) {
2962  }
2963  virtual void getTargetDefines(const LangOptions &Opts,
2964                                MacroBuilder &Builder) const {
2965    WindowsX86_64TargetInfo::getTargetDefines(Opts, Builder);
2966    DefineStd(Builder, "WIN64", Opts);
2967    Builder.defineMacro("__MSVCRT__");
2968    Builder.defineMacro("__MINGW32__");
2969    Builder.defineMacro("__MINGW64__");
2970
2971    // mingw32-gcc provides __declspec(a) as alias of __attribute__((a)).
2972    // In contrast, clang-cc1 provides __declspec(a) with -fms-extensions.
2973    if (Opts.MicrosoftExt)
2974      // Provide "as-is" __declspec.
2975      Builder.defineMacro("__declspec", "__declspec");
2976    else
2977      // Provide alias of __attribute__ like mingw32-gcc.
2978      Builder.defineMacro("__declspec(a)", "__attribute__((a))");
2979  }
2980};
2981} // end anonymous namespace
2982
2983namespace {
2984class DarwinX86_64TargetInfo : public DarwinTargetInfo<X86_64TargetInfo> {
2985public:
2986  DarwinX86_64TargetInfo(const std::string& triple)
2987      : DarwinTargetInfo<X86_64TargetInfo>(triple) {
2988    Int64Type = SignedLongLong;
2989    MaxVectorAlign = 256;
2990  }
2991};
2992} // end anonymous namespace
2993
2994namespace {
2995class OpenBSDX86_64TargetInfo : public OpenBSDTargetInfo<X86_64TargetInfo> {
2996public:
2997  OpenBSDX86_64TargetInfo(const std::string& triple)
2998      : OpenBSDTargetInfo<X86_64TargetInfo>(triple) {
2999    IntMaxType = SignedLongLong;
3000    UIntMaxType = UnsignedLongLong;
3001    Int64Type = SignedLongLong;
3002  }
3003};
3004} // end anonymous namespace
3005
3006namespace {
3007class BitrigX86_64TargetInfo : public BitrigTargetInfo<X86_64TargetInfo> {
3008public:
3009  BitrigX86_64TargetInfo(const std::string& triple)
3010      : BitrigTargetInfo<X86_64TargetInfo>(triple) {
3011     IntMaxType = SignedLongLong;
3012     UIntMaxType = UnsignedLongLong;
3013     Int64Type = SignedLongLong;
3014  }
3015};
3016} // end anonymous namespace
3017
3018namespace {
3019class ARMTargetInfo : public TargetInfo {
3020  // Possible FPU choices.
3021  enum FPUMode {
3022    VFP2FPU = (1 << 0),
3023    VFP3FPU = (1 << 1),
3024    VFP4FPU = (1 << 2),
3025    NeonFPU = (1 << 3)
3026  };
3027
3028  static bool FPUModeIsVFP(FPUMode Mode) {
3029    return Mode & (VFP2FPU | VFP3FPU | VFP4FPU | NeonFPU);
3030  }
3031
3032  static const TargetInfo::GCCRegAlias GCCRegAliases[];
3033  static const char * const GCCRegNames[];
3034
3035  std::string ABI, CPU;
3036
3037  unsigned FPU : 4;
3038
3039  unsigned IsAAPCS : 1;
3040  unsigned IsThumb : 1;
3041
3042  // Initialized via features.
3043  unsigned SoftFloat : 1;
3044  unsigned SoftFloatABI : 1;
3045
3046  static const Builtin::Info BuiltinInfo[];
3047
3048public:
3049  ARMTargetInfo(const std::string &TripleStr)
3050    : TargetInfo(TripleStr), ABI("aapcs-linux"), CPU("arm1136j-s"), IsAAPCS(true)
3051  {
3052    BigEndian = false;
3053    SizeType = UnsignedInt;
3054    PtrDiffType = SignedInt;
3055    // AAPCS 7.1.1, ARM-Linux ABI 2.4: type of wchar_t is unsigned int.
3056    WCharType = UnsignedInt;
3057
3058    // {} in inline assembly are neon specifiers, not assembly variant
3059    // specifiers.
3060    NoAsmVariants = true;
3061
3062    // FIXME: Should we just treat this as a feature?
3063    IsThumb = getTriple().getArchName().startswith("thumb");
3064    if (IsThumb) {
3065      // Thumb1 add sp, #imm requires the immediate value be multiple of 4,
3066      // so set preferred for small types to 32.
3067      DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
3068                           "i64:64:64-f32:32:32-f64:64:64-"
3069                           "v64:64:64-v128:64:128-a0:0:32-n32-S64");
3070    } else {
3071      DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
3072                           "i64:64:64-f32:32:32-f64:64:64-"
3073                           "v64:64:64-v128:64:128-a0:0:64-n32-S64");
3074    }
3075
3076    // ARM targets default to using the ARM C++ ABI.
3077    CXXABI = CXXABI_ARM;
3078
3079    // ARM has atomics up to 8 bytes
3080    // FIXME: Set MaxAtomicInlineWidth if we have the feature v6e
3081    MaxAtomicPromoteWidth = 64;
3082
3083    // Do force alignment of members that follow zero length bitfields.  If
3084    // the alignment of the zero-length bitfield is greater than the member
3085    // that follows it, `bar', `bar' will be aligned as the  type of the
3086    // zero length bitfield.
3087    UseZeroLengthBitfieldAlignment = true;
3088  }
3089  virtual const char *getABI() const { return ABI.c_str(); }
3090  virtual bool setABI(const std::string &Name) {
3091    ABI = Name;
3092
3093    // The defaults (above) are for AAPCS, check if we need to change them.
3094    //
3095    // FIXME: We need support for -meabi... we could just mangle it into the
3096    // name.
3097    if (Name == "apcs-gnu") {
3098      DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 32;
3099      // size_t is unsigned int on FreeBSD.
3100      if (getTriple().getOS() != llvm::Triple::FreeBSD)
3101        SizeType = UnsignedLong;
3102
3103      // Revert to using SignedInt on apcs-gnu to comply with existing behaviour.
3104      WCharType = SignedInt;
3105
3106      // Do not respect the alignment of bit-field types when laying out
3107      // structures. This corresponds to PCC_BITFIELD_TYPE_MATTERS in gcc.
3108      UseBitFieldTypeAlignment = false;
3109
3110      /// gcc forces the alignment to 4 bytes, regardless of the type of the
3111      /// zero length bitfield.  This corresponds to EMPTY_FIELD_BOUNDARY in
3112      /// gcc.
3113      ZeroLengthBitfieldBoundary = 32;
3114
3115      IsAAPCS = false;
3116
3117      if (IsThumb) {
3118        // Thumb1 add sp, #imm requires the immediate value be multiple of 4,
3119        // so set preferred for small types to 32.
3120        DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
3121                             "i64:32:64-f32:32:32-f64:32:64-"
3122                             "v64:32:64-v128:32:128-a0:0:32-n32-S32");
3123      } else {
3124        DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
3125                             "i64:32:64-f32:32:32-f64:32:64-"
3126                             "v64:32:64-v128:32:128-a0:0:32-n32-S32");
3127      }
3128
3129      // FIXME: Override "preferred align" for double and long long.
3130    } else if (Name == "aapcs" || Name == "aapcs-vfp") {
3131      IsAAPCS = true;
3132      // FIXME: Enumerated types are variable width in straight AAPCS.
3133    } else if (Name == "aapcs-linux") {
3134      IsAAPCS = true;
3135    } else
3136      return false;
3137
3138    return true;
3139  }
3140
3141  void getDefaultFeatures(llvm::StringMap<bool> &Features) const {
3142    if (CPU == "arm1136jf-s" || CPU == "arm1176jzf-s" || CPU == "mpcore")
3143      Features["vfp2"] = true;
3144    else if (CPU == "cortex-a8" || CPU == "cortex-a15" ||
3145             CPU == "cortex-a9" || CPU == "cortex-a9-mp")
3146      Features["neon"] = true;
3147    else if (CPU == "swift") {
3148      Features["vfp4"] = true;
3149      Features["neon"] = true;
3150    }
3151  }
3152
3153  virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features,
3154                                 StringRef Name,
3155                                 bool Enabled) const {
3156    if (Name == "soft-float" || Name == "soft-float-abi" ||
3157        Name == "vfp2" || Name == "vfp3" || Name == "vfp4" || Name == "neon" ||
3158        Name == "d16" || Name == "neonfp") {
3159      Features[Name] = Enabled;
3160    } else
3161      return false;
3162
3163    return true;
3164  }
3165
3166  virtual void HandleTargetFeatures(std::vector<std::string> &Features) {
3167    FPU = 0;
3168    SoftFloat = SoftFloatABI = false;
3169    for (unsigned i = 0, e = Features.size(); i != e; ++i) {
3170      if (Features[i] == "+soft-float")
3171        SoftFloat = true;
3172      else if (Features[i] == "+soft-float-abi")
3173        SoftFloatABI = true;
3174      else if (Features[i] == "+vfp2")
3175        FPU |= VFP2FPU;
3176      else if (Features[i] == "+vfp3")
3177        FPU |= VFP3FPU;
3178      else if (Features[i] == "+vfp4")
3179        FPU |= VFP4FPU;
3180      else if (Features[i] == "+neon")
3181        FPU |= NeonFPU;
3182    }
3183
3184    // Remove front-end specific options which the backend handles differently.
3185    std::vector<std::string>::iterator it;
3186    it = std::find(Features.begin(), Features.end(), "+soft-float");
3187    if (it != Features.end())
3188      Features.erase(it);
3189    it = std::find(Features.begin(), Features.end(), "+soft-float-abi");
3190    if (it != Features.end())
3191      Features.erase(it);
3192  }
3193
3194  virtual bool hasFeature(StringRef Feature) const {
3195    return llvm::StringSwitch<bool>(Feature)
3196        .Case("arm", true)
3197        .Case("softfloat", SoftFloat)
3198        .Case("thumb", IsThumb)
3199        .Case("neon", FPU == NeonFPU && !SoftFloat &&
3200              StringRef(getCPUDefineSuffix(CPU)).startswith("7"))
3201        .Default(false);
3202  }
3203  // FIXME: Should we actually have some table instead of these switches?
3204  static const char *getCPUDefineSuffix(StringRef Name) {
3205    return llvm::StringSwitch<const char*>(Name)
3206      .Cases("arm8", "arm810", "4")
3207      .Cases("strongarm", "strongarm110", "strongarm1100", "strongarm1110", "4")
3208      .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "arm720t", "arm9", "4T")
3209      .Cases("arm9tdmi", "arm920", "arm920t", "arm922t", "arm940t", "4T")
3210      .Case("ep9312", "4T")
3211      .Cases("arm10tdmi", "arm1020t", "5T")
3212      .Cases("arm9e", "arm946e-s", "arm966e-s", "arm968e-s", "5TE")
3213      .Case("arm926ej-s", "5TEJ")
3214      .Cases("arm10e", "arm1020e", "arm1022e", "5TE")
3215      .Cases("xscale", "iwmmxt", "5TE")
3216      .Case("arm1136j-s", "6J")
3217      .Cases("arm1176jz-s", "arm1176jzf-s", "6ZK")
3218      .Cases("arm1136jf-s", "mpcorenovfp", "mpcore", "6K")
3219      .Cases("arm1156t2-s", "arm1156t2f-s", "6T2")
3220      .Cases("cortex-a5", "cortex-a8", "cortex-a9", "cortex-a15", "7A")
3221      .Case("cortex-r5", "7R")
3222      .Case("cortex-a9-mp", "7F")
3223      .Case("swift", "7S")
3224      .Cases("cortex-m3", "cortex-m4", "7M")
3225      .Case("cortex-m0", "6M")
3226      .Default(0);
3227  }
3228  static const char *getCPUProfile(StringRef Name) {
3229    return llvm::StringSwitch<const char*>(Name)
3230      .Cases("cortex-a8", "cortex-a9", "A")
3231      .Cases("cortex-m3", "cortex-m4", "cortex-m0", "M")
3232      .Case("cortex-r5", "R")
3233      .Default("");
3234  }
3235  virtual bool setCPU(const std::string &Name) {
3236    if (!getCPUDefineSuffix(Name))
3237      return false;
3238
3239    CPU = Name;
3240    return true;
3241  }
3242  virtual void getTargetDefines(const LangOptions &Opts,
3243                                MacroBuilder &Builder) const {
3244    // Target identification.
3245    Builder.defineMacro("__arm");
3246    Builder.defineMacro("__arm__");
3247
3248    // Target properties.
3249    Builder.defineMacro("__ARMEL__");
3250    Builder.defineMacro("__LITTLE_ENDIAN__");
3251    Builder.defineMacro("__REGISTER_PREFIX__", "");
3252
3253    StringRef CPUArch = getCPUDefineSuffix(CPU);
3254    Builder.defineMacro("__ARM_ARCH_" + CPUArch + "__");
3255    Builder.defineMacro("__ARM_ARCH", CPUArch.substr(0, 1));
3256    StringRef CPUProfile = getCPUProfile(CPU);
3257    if (!CPUProfile.empty())
3258      Builder.defineMacro("__ARM_ARCH_PROFILE", CPUProfile);
3259
3260    // Subtarget options.
3261
3262    // FIXME: It's more complicated than this and we don't really support
3263    // interworking.
3264    if ('5' <= CPUArch[0] && CPUArch[0] <= '7')
3265      Builder.defineMacro("__THUMB_INTERWORK__");
3266
3267    if (ABI == "aapcs" || ABI == "aapcs-linux" || ABI == "aapcs-vfp") {
3268      // M-class CPUs on Darwin follow AAPCS, but not EABI.
3269      if (!(getTriple().isOSDarwin() && CPUProfile == "M"))
3270        Builder.defineMacro("__ARM_EABI__");
3271      Builder.defineMacro("__ARM_PCS", "1");
3272
3273      if ((!SoftFloat && !SoftFloatABI) || ABI == "aapcs-vfp")
3274        Builder.defineMacro("__ARM_PCS_VFP", "1");
3275    }
3276
3277    if (SoftFloat)
3278      Builder.defineMacro("__SOFTFP__");
3279
3280    if (CPU == "xscale")
3281      Builder.defineMacro("__XSCALE__");
3282
3283    bool IsARMv7 = CPUArch.startswith("7");
3284    if (IsThumb) {
3285      Builder.defineMacro("__THUMBEL__");
3286      Builder.defineMacro("__thumb__");
3287      if (CPUArch == "6T2" || IsARMv7)
3288        Builder.defineMacro("__thumb2__");
3289    }
3290
3291    // Note, this is always on in gcc, even though it doesn't make sense.
3292    Builder.defineMacro("__APCS_32__");
3293
3294    if (FPUModeIsVFP((FPUMode) FPU)) {
3295      Builder.defineMacro("__VFP_FP__");
3296      if (FPU & VFP2FPU)
3297        Builder.defineMacro("__ARM_VFPV2__");
3298      if (FPU & VFP3FPU)
3299        Builder.defineMacro("__ARM_VFPV3__");
3300      if (FPU & VFP4FPU)
3301        Builder.defineMacro("__ARM_VFPV4__");
3302    }
3303
3304    // This only gets set when Neon instructions are actually available, unlike
3305    // the VFP define, hence the soft float and arch check. This is subtly
3306    // different from gcc, we follow the intent which was that it should be set
3307    // when Neon instructions are actually available.
3308    if ((FPU & NeonFPU) && !SoftFloat && IsARMv7)
3309      Builder.defineMacro("__ARM_NEON__");
3310  }
3311  virtual void getTargetBuiltins(const Builtin::Info *&Records,
3312                                 unsigned &NumRecords) const {
3313    Records = BuiltinInfo;
3314    NumRecords = clang::ARM::LastTSBuiltin-Builtin::FirstTSBuiltin;
3315  }
3316  virtual bool isCLZForZeroUndef() const { return false; }
3317  virtual BuiltinVaListKind getBuiltinVaListKind() const {
3318    return IsAAPCS ? AAPCSABIBuiltinVaList : TargetInfo::VoidPtrBuiltinVaList;
3319  }
3320  virtual void getGCCRegNames(const char * const *&Names,
3321                              unsigned &NumNames) const;
3322  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
3323                                unsigned &NumAliases) const;
3324  virtual bool validateAsmConstraint(const char *&Name,
3325                                     TargetInfo::ConstraintInfo &Info) const {
3326    switch (*Name) {
3327    default: break;
3328    case 'l': // r0-r7
3329    case 'h': // r8-r15
3330    case 'w': // VFP Floating point register single precision
3331    case 'P': // VFP Floating point register double precision
3332      Info.setAllowsRegister();
3333      return true;
3334    case 'Q': // A memory address that is a single base register.
3335      Info.setAllowsMemory();
3336      return true;
3337    case 'U': // a memory reference...
3338      switch (Name[1]) {
3339      case 'q': // ...ARMV4 ldrsb
3340      case 'v': // ...VFP load/store (reg+constant offset)
3341      case 'y': // ...iWMMXt load/store
3342      case 't': // address valid for load/store opaque types wider
3343                // than 128-bits
3344      case 'n': // valid address for Neon doubleword vector load/store
3345      case 'm': // valid address for Neon element and structure load/store
3346      case 's': // valid address for non-offset loads/stores of quad-word
3347                // values in four ARM registers
3348        Info.setAllowsMemory();
3349        Name++;
3350        return true;
3351      }
3352    }
3353    return false;
3354  }
3355  virtual std::string convertConstraint(const char *&Constraint) const {
3356    std::string R;
3357    switch (*Constraint) {
3358    case 'U':   // Two-character constraint; add "^" hint for later parsing.
3359      R = std::string("^") + std::string(Constraint, 2);
3360      Constraint++;
3361      break;
3362    case 'p': // 'p' should be translated to 'r' by default.
3363      R = std::string("r");
3364      break;
3365    default:
3366      return std::string(1, *Constraint);
3367    }
3368    return R;
3369  }
3370  virtual bool validateConstraintModifier(StringRef Constraint,
3371                                          const char Modifier,
3372                                          unsigned Size) const {
3373    bool isOutput = (Constraint[0] == '=');
3374    bool isInOut = (Constraint[0] == '+');
3375
3376    // Strip off constraint modifiers.
3377    while (Constraint[0] == '=' ||
3378           Constraint[0] == '+' ||
3379           Constraint[0] == '&')
3380      Constraint = Constraint.substr(1);
3381
3382    switch (Constraint[0]) {
3383    default: break;
3384    case 'r': {
3385      switch (Modifier) {
3386      default:
3387        return isInOut || (isOutput && Size >= 32) ||
3388          (!isOutput && !isInOut && Size <= 32);
3389      case 'q':
3390        // A register of size 32 cannot fit a vector type.
3391        return false;
3392      }
3393    }
3394    }
3395
3396    return true;
3397  }
3398  virtual const char *getClobbers() const {
3399    // FIXME: Is this really right?
3400    return "";
3401  }
3402
3403  virtual CallingConvCheckResult checkCallingConvention(CallingConv CC) const {
3404    return (CC == CC_AAPCS || CC == CC_AAPCS_VFP) ? CCCR_OK : CCCR_Warning;
3405  }
3406};
3407
3408const char * const ARMTargetInfo::GCCRegNames[] = {
3409  // Integer registers
3410  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
3411  "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc",
3412
3413  // Float registers
3414  "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
3415  "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15",
3416  "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23",
3417  "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31",
3418
3419  // Double registers
3420  "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7",
3421  "d8", "d9", "d10", "d11", "d12", "d13", "d14", "d15",
3422  "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23",
3423  "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31",
3424
3425  // Quad registers
3426  "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7",
3427  "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
3428};
3429
3430void ARMTargetInfo::getGCCRegNames(const char * const *&Names,
3431                                   unsigned &NumNames) const {
3432  Names = GCCRegNames;
3433  NumNames = llvm::array_lengthof(GCCRegNames);
3434}
3435
3436const TargetInfo::GCCRegAlias ARMTargetInfo::GCCRegAliases[] = {
3437  { { "a1" }, "r0" },
3438  { { "a2" }, "r1" },
3439  { { "a3" }, "r2" },
3440  { { "a4" }, "r3" },
3441  { { "v1" }, "r4" },
3442  { { "v2" }, "r5" },
3443  { { "v3" }, "r6" },
3444  { { "v4" }, "r7" },
3445  { { "v5" }, "r8" },
3446  { { "v6", "rfp" }, "r9" },
3447  { { "sl" }, "r10" },
3448  { { "fp" }, "r11" },
3449  { { "ip" }, "r12" },
3450  { { "r13" }, "sp" },
3451  { { "r14" }, "lr" },
3452  { { "r15" }, "pc" },
3453  // The S, D and Q registers overlap, but aren't really aliases; we
3454  // don't want to substitute one of these for a different-sized one.
3455};
3456
3457void ARMTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
3458                                       unsigned &NumAliases) const {
3459  Aliases = GCCRegAliases;
3460  NumAliases = llvm::array_lengthof(GCCRegAliases);
3461}
3462
3463const Builtin::Info ARMTargetInfo::BuiltinInfo[] = {
3464#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
3465#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
3466                                              ALL_LANGUAGES },
3467#include "clang/Basic/BuiltinsARM.def"
3468};
3469} // end anonymous namespace.
3470
3471namespace {
3472class DarwinARMTargetInfo :
3473  public DarwinTargetInfo<ARMTargetInfo> {
3474protected:
3475  virtual void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
3476                            MacroBuilder &Builder) const {
3477    getDarwinDefines(Builder, Opts, Triple, PlatformName, PlatformMinVersion);
3478  }
3479
3480public:
3481  DarwinARMTargetInfo(const std::string& triple)
3482    : DarwinTargetInfo<ARMTargetInfo>(triple) {
3483    HasAlignMac68kSupport = true;
3484    // iOS always has 64-bit atomic instructions.
3485    // FIXME: This should be based off of the target features in ARMTargetInfo.
3486    MaxAtomicInlineWidth = 64;
3487  }
3488};
3489} // end anonymous namespace.
3490
3491
3492namespace {
3493// Hexagon abstract base class
3494class HexagonTargetInfo : public TargetInfo {
3495  static const Builtin::Info BuiltinInfo[];
3496  static const char * const GCCRegNames[];
3497  static const TargetInfo::GCCRegAlias GCCRegAliases[];
3498  std::string CPU;
3499public:
3500  HexagonTargetInfo(const std::string& triple) : TargetInfo(triple)  {
3501    BigEndian = false;
3502    DescriptionString = ("e-p:32:32:32-"
3503                         "i64:64:64-i32:32:32-i16:16:16-i1:32:32"
3504                         "f64:64:64-f32:32:32-a0:0-n32");
3505
3506    // {} in inline assembly are packet specifiers, not assembly variant
3507    // specifiers.
3508    NoAsmVariants = true;
3509  }
3510
3511  virtual void getTargetBuiltins(const Builtin::Info *&Records,
3512                                 unsigned &NumRecords) const {
3513    Records = BuiltinInfo;
3514    NumRecords = clang::Hexagon::LastTSBuiltin-Builtin::FirstTSBuiltin;
3515  }
3516
3517  virtual bool validateAsmConstraint(const char *&Name,
3518                                     TargetInfo::ConstraintInfo &Info) const {
3519    return true;
3520  }
3521
3522  virtual void getTargetDefines(const LangOptions &Opts,
3523                                MacroBuilder &Builder) const;
3524
3525  virtual bool hasFeature(StringRef Feature) const {
3526    return Feature == "hexagon";
3527  }
3528
3529  virtual BuiltinVaListKind getBuiltinVaListKind() const {
3530    return TargetInfo::CharPtrBuiltinVaList;
3531  }
3532  virtual void getGCCRegNames(const char * const *&Names,
3533                              unsigned &NumNames) const;
3534  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
3535                                unsigned &NumAliases) const;
3536  virtual const char *getClobbers() const {
3537    return "";
3538  }
3539
3540  static const char *getHexagonCPUSuffix(StringRef Name) {
3541    return llvm::StringSwitch<const char*>(Name)
3542      .Case("hexagonv2", "2")
3543      .Case("hexagonv3", "3")
3544      .Case("hexagonv4", "4")
3545      .Case("hexagonv5", "5")
3546      .Default(0);
3547  }
3548
3549  virtual bool setCPU(const std::string &Name) {
3550    if (!getHexagonCPUSuffix(Name))
3551      return false;
3552
3553    CPU = Name;
3554    return true;
3555  }
3556};
3557
3558void HexagonTargetInfo::getTargetDefines(const LangOptions &Opts,
3559                                MacroBuilder &Builder) const {
3560  Builder.defineMacro("qdsp6");
3561  Builder.defineMacro("__qdsp6", "1");
3562  Builder.defineMacro("__qdsp6__", "1");
3563
3564  Builder.defineMacro("hexagon");
3565  Builder.defineMacro("__hexagon", "1");
3566  Builder.defineMacro("__hexagon__", "1");
3567
3568  if(CPU == "hexagonv1") {
3569    Builder.defineMacro("__HEXAGON_V1__");
3570    Builder.defineMacro("__HEXAGON_ARCH__", "1");
3571    if(Opts.HexagonQdsp6Compat) {
3572      Builder.defineMacro("__QDSP6_V1__");
3573      Builder.defineMacro("__QDSP6_ARCH__", "1");
3574    }
3575  }
3576  else if(CPU == "hexagonv2") {
3577    Builder.defineMacro("__HEXAGON_V2__");
3578    Builder.defineMacro("__HEXAGON_ARCH__", "2");
3579    if(Opts.HexagonQdsp6Compat) {
3580      Builder.defineMacro("__QDSP6_V2__");
3581      Builder.defineMacro("__QDSP6_ARCH__", "2");
3582    }
3583  }
3584  else if(CPU == "hexagonv3") {
3585    Builder.defineMacro("__HEXAGON_V3__");
3586    Builder.defineMacro("__HEXAGON_ARCH__", "3");
3587    if(Opts.HexagonQdsp6Compat) {
3588      Builder.defineMacro("__QDSP6_V3__");
3589      Builder.defineMacro("__QDSP6_ARCH__", "3");
3590    }
3591  }
3592  else if(CPU == "hexagonv4") {
3593    Builder.defineMacro("__HEXAGON_V4__");
3594    Builder.defineMacro("__HEXAGON_ARCH__", "4");
3595    if(Opts.HexagonQdsp6Compat) {
3596      Builder.defineMacro("__QDSP6_V4__");
3597      Builder.defineMacro("__QDSP6_ARCH__", "4");
3598    }
3599  }
3600  else if(CPU == "hexagonv5") {
3601    Builder.defineMacro("__HEXAGON_V5__");
3602    Builder.defineMacro("__HEXAGON_ARCH__", "5");
3603    if(Opts.HexagonQdsp6Compat) {
3604      Builder.defineMacro("__QDSP6_V5__");
3605      Builder.defineMacro("__QDSP6_ARCH__", "5");
3606    }
3607  }
3608}
3609
3610const char * const HexagonTargetInfo::GCCRegNames[] = {
3611  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
3612  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
3613  "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
3614  "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
3615  "p0", "p1", "p2", "p3",
3616  "sa0", "lc0", "sa1", "lc1", "m0", "m1", "usr", "ugp"
3617};
3618
3619void HexagonTargetInfo::getGCCRegNames(const char * const *&Names,
3620                                   unsigned &NumNames) const {
3621  Names = GCCRegNames;
3622  NumNames = llvm::array_lengthof(GCCRegNames);
3623}
3624
3625
3626const TargetInfo::GCCRegAlias HexagonTargetInfo::GCCRegAliases[] = {
3627  { { "sp" }, "r29" },
3628  { { "fp" }, "r30" },
3629  { { "lr" }, "r31" },
3630 };
3631
3632void HexagonTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
3633                                     unsigned &NumAliases) const {
3634  Aliases = GCCRegAliases;
3635  NumAliases = llvm::array_lengthof(GCCRegAliases);
3636}
3637
3638
3639const Builtin::Info HexagonTargetInfo::BuiltinInfo[] = {
3640#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
3641#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
3642                                              ALL_LANGUAGES },
3643#include "clang/Basic/BuiltinsHexagon.def"
3644};
3645}
3646
3647
3648namespace {
3649class SparcV8TargetInfo : public TargetInfo {
3650  static const TargetInfo::GCCRegAlias GCCRegAliases[];
3651  static const char * const GCCRegNames[];
3652  bool SoftFloat;
3653public:
3654  SparcV8TargetInfo(const std::string& triple) : TargetInfo(triple) {
3655    // FIXME: Support Sparc quad-precision long double?
3656    DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
3657                        "i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32";
3658  }
3659  virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features,
3660                                 StringRef Name,
3661                                 bool Enabled) const {
3662    if (Name == "soft-float")
3663      Features[Name] = Enabled;
3664    else
3665      return false;
3666
3667    return true;
3668  }
3669  virtual void HandleTargetFeatures(std::vector<std::string> &Features) {
3670    SoftFloat = false;
3671    for (unsigned i = 0, e = Features.size(); i != e; ++i)
3672      if (Features[i] == "+soft-float")
3673        SoftFloat = true;
3674  }
3675  virtual void getTargetDefines(const LangOptions &Opts,
3676                                MacroBuilder &Builder) const {
3677    DefineStd(Builder, "sparc", Opts);
3678    Builder.defineMacro("__sparcv8");
3679    Builder.defineMacro("__REGISTER_PREFIX__", "");
3680
3681    if (SoftFloat)
3682      Builder.defineMacro("SOFT_FLOAT", "1");
3683  }
3684
3685  virtual bool hasFeature(StringRef Feature) const {
3686    return llvm::StringSwitch<bool>(Feature)
3687             .Case("softfloat", SoftFloat)
3688             .Case("sparc", true)
3689             .Default(false);
3690  }
3691
3692  virtual void getTargetBuiltins(const Builtin::Info *&Records,
3693                                 unsigned &NumRecords) const {
3694    // FIXME: Implement!
3695  }
3696  virtual BuiltinVaListKind getBuiltinVaListKind() const {
3697    return TargetInfo::VoidPtrBuiltinVaList;
3698  }
3699  virtual void getGCCRegNames(const char * const *&Names,
3700                              unsigned &NumNames) const;
3701  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
3702                                unsigned &NumAliases) const;
3703  virtual bool validateAsmConstraint(const char *&Name,
3704                                     TargetInfo::ConstraintInfo &info) const {
3705    // FIXME: Implement!
3706    return false;
3707  }
3708  virtual const char *getClobbers() const {
3709    // FIXME: Implement!
3710    return "";
3711  }
3712};
3713
3714const char * const SparcV8TargetInfo::GCCRegNames[] = {
3715  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
3716  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
3717  "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
3718  "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
3719};
3720
3721void SparcV8TargetInfo::getGCCRegNames(const char * const *&Names,
3722                                       unsigned &NumNames) const {
3723  Names = GCCRegNames;
3724  NumNames = llvm::array_lengthof(GCCRegNames);
3725}
3726
3727const TargetInfo::GCCRegAlias SparcV8TargetInfo::GCCRegAliases[] = {
3728  { { "g0" }, "r0" },
3729  { { "g1" }, "r1" },
3730  { { "g2" }, "r2" },
3731  { { "g3" }, "r3" },
3732  { { "g4" }, "r4" },
3733  { { "g5" }, "r5" },
3734  { { "g6" }, "r6" },
3735  { { "g7" }, "r7" },
3736  { { "o0" }, "r8" },
3737  { { "o1" }, "r9" },
3738  { { "o2" }, "r10" },
3739  { { "o3" }, "r11" },
3740  { { "o4" }, "r12" },
3741  { { "o5" }, "r13" },
3742  { { "o6", "sp" }, "r14" },
3743  { { "o7" }, "r15" },
3744  { { "l0" }, "r16" },
3745  { { "l1" }, "r17" },
3746  { { "l2" }, "r18" },
3747  { { "l3" }, "r19" },
3748  { { "l4" }, "r20" },
3749  { { "l5" }, "r21" },
3750  { { "l6" }, "r22" },
3751  { { "l7" }, "r23" },
3752  { { "i0" }, "r24" },
3753  { { "i1" }, "r25" },
3754  { { "i2" }, "r26" },
3755  { { "i3" }, "r27" },
3756  { { "i4" }, "r28" },
3757  { { "i5" }, "r29" },
3758  { { "i6", "fp" }, "r30" },
3759  { { "i7" }, "r31" },
3760};
3761
3762void SparcV8TargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
3763                                         unsigned &NumAliases) const {
3764  Aliases = GCCRegAliases;
3765  NumAliases = llvm::array_lengthof(GCCRegAliases);
3766}
3767} // end anonymous namespace.
3768
3769namespace {
3770class AuroraUXSparcV8TargetInfo : public AuroraUXTargetInfo<SparcV8TargetInfo> {
3771public:
3772  AuroraUXSparcV8TargetInfo(const std::string& triple) :
3773      AuroraUXTargetInfo<SparcV8TargetInfo>(triple) {
3774    SizeType = UnsignedInt;
3775    PtrDiffType = SignedInt;
3776  }
3777};
3778class SolarisSparcV8TargetInfo : public SolarisTargetInfo<SparcV8TargetInfo> {
3779public:
3780  SolarisSparcV8TargetInfo(const std::string& triple) :
3781      SolarisTargetInfo<SparcV8TargetInfo>(triple) {
3782    SizeType = UnsignedInt;
3783    PtrDiffType = SignedInt;
3784  }
3785};
3786} // end anonymous namespace.
3787
3788namespace {
3789  class MSP430TargetInfo : public TargetInfo {
3790    static const char * const GCCRegNames[];
3791  public:
3792    MSP430TargetInfo(const std::string& triple) : TargetInfo(triple) {
3793      BigEndian = false;
3794      TLSSupported = false;
3795      IntWidth = 16; IntAlign = 16;
3796      LongWidth = 32; LongLongWidth = 64;
3797      LongAlign = LongLongAlign = 16;
3798      PointerWidth = 16; PointerAlign = 16;
3799      SuitableAlign = 16;
3800      SizeType = UnsignedInt;
3801      IntMaxType = SignedLong;
3802      UIntMaxType = UnsignedLong;
3803      IntPtrType = SignedShort;
3804      PtrDiffType = SignedInt;
3805      SigAtomicType = SignedLong;
3806      DescriptionString = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16";
3807   }
3808    virtual void getTargetDefines(const LangOptions &Opts,
3809                                  MacroBuilder &Builder) const {
3810      Builder.defineMacro("MSP430");
3811      Builder.defineMacro("__MSP430__");
3812      // FIXME: defines for different 'flavours' of MCU
3813    }
3814    virtual void getTargetBuiltins(const Builtin::Info *&Records,
3815                                   unsigned &NumRecords) const {
3816     // FIXME: Implement.
3817      Records = 0;
3818      NumRecords = 0;
3819    }
3820    virtual bool hasFeature(StringRef Feature) const {
3821      return Feature == "msp430";
3822    }
3823    virtual void getGCCRegNames(const char * const *&Names,
3824                                unsigned &NumNames) const;
3825    virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
3826                                  unsigned &NumAliases) const {
3827      // No aliases.
3828      Aliases = 0;
3829      NumAliases = 0;
3830    }
3831    virtual bool validateAsmConstraint(const char *&Name,
3832                                       TargetInfo::ConstraintInfo &info) const {
3833      // No target constraints for now.
3834      return false;
3835    }
3836    virtual const char *getClobbers() const {
3837      // FIXME: Is this really right?
3838      return "";
3839    }
3840    virtual BuiltinVaListKind getBuiltinVaListKind() const {
3841      // FIXME: implement
3842      return TargetInfo::CharPtrBuiltinVaList;
3843   }
3844  };
3845
3846  const char * const MSP430TargetInfo::GCCRegNames[] = {
3847    "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
3848    "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
3849  };
3850
3851  void MSP430TargetInfo::getGCCRegNames(const char * const *&Names,
3852                                        unsigned &NumNames) const {
3853    Names = GCCRegNames;
3854    NumNames = llvm::array_lengthof(GCCRegNames);
3855  }
3856}
3857
3858namespace {
3859
3860  // LLVM and Clang cannot be used directly to output native binaries for
3861  // target, but is used to compile C code to llvm bitcode with correct
3862  // type and alignment information.
3863  //
3864  // TCE uses the llvm bitcode as input and uses it for generating customized
3865  // target processor and program binary. TCE co-design environment is
3866  // publicly available in http://tce.cs.tut.fi
3867
3868  static const unsigned TCEOpenCLAddrSpaceMap[] = {
3869      3, // opencl_global
3870      4, // opencl_local
3871      5, // opencl_constant
3872      0, // cuda_device
3873      0, // cuda_constant
3874      0  // cuda_shared
3875  };
3876
3877  class TCETargetInfo : public TargetInfo{
3878  public:
3879    TCETargetInfo(const std::string& triple) : TargetInfo(triple) {
3880      TLSSupported = false;
3881      IntWidth = 32;
3882      LongWidth = LongLongWidth = 32;
3883      PointerWidth = 32;
3884      IntAlign = 32;
3885      LongAlign = LongLongAlign = 32;
3886      PointerAlign = 32;
3887      SuitableAlign = 32;
3888      SizeType = UnsignedInt;
3889      IntMaxType = SignedLong;
3890      UIntMaxType = UnsignedLong;
3891      IntPtrType = SignedInt;
3892      PtrDiffType = SignedInt;
3893      FloatWidth = 32;
3894      FloatAlign = 32;
3895      DoubleWidth = 32;
3896      DoubleAlign = 32;
3897      LongDoubleWidth = 32;
3898      LongDoubleAlign = 32;
3899      FloatFormat = &llvm::APFloat::IEEEsingle;
3900      DoubleFormat = &llvm::APFloat::IEEEsingle;
3901      LongDoubleFormat = &llvm::APFloat::IEEEsingle;
3902      DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-"
3903                          "i16:16:32-i32:32:32-i64:32:32-"
3904                          "f32:32:32-f64:32:32-v64:32:32-"
3905                          "v128:32:32-a0:0:32-n32";
3906      AddrSpaceMap = &TCEOpenCLAddrSpaceMap;
3907    }
3908
3909    virtual void getTargetDefines(const LangOptions &Opts,
3910                                  MacroBuilder &Builder) const {
3911      DefineStd(Builder, "tce", Opts);
3912      Builder.defineMacro("__TCE__");
3913      Builder.defineMacro("__TCE_V1__");
3914    }
3915    virtual bool hasFeature(StringRef Feature) const {
3916      return Feature == "tce";
3917    }
3918
3919    virtual void getTargetBuiltins(const Builtin::Info *&Records,
3920                                   unsigned &NumRecords) const {}
3921    virtual const char *getClobbers() const {
3922      return "";
3923    }
3924    virtual BuiltinVaListKind getBuiltinVaListKind() const {
3925      return TargetInfo::VoidPtrBuiltinVaList;
3926    }
3927    virtual void getGCCRegNames(const char * const *&Names,
3928                                unsigned &NumNames) const {}
3929    virtual bool validateAsmConstraint(const char *&Name,
3930                                       TargetInfo::ConstraintInfo &info) const {
3931      return true;
3932    }
3933    virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
3934                                  unsigned &NumAliases) const {}
3935  };
3936}
3937
3938namespace {
3939class MipsTargetInfoBase : public TargetInfo {
3940  static const Builtin::Info BuiltinInfo[];
3941  std::string CPU;
3942  bool IsMips16;
3943  enum MipsFloatABI {
3944    HardFloat, SingleFloat, SoftFloat
3945  } FloatABI;
3946  enum DspRevEnum {
3947    NoDSP, DSP1, DSP2
3948  } DspRev;
3949
3950protected:
3951  std::string ABI;
3952
3953public:
3954  MipsTargetInfoBase(const std::string& triple,
3955                     const std::string& ABIStr,
3956                     const std::string& CPUStr)
3957    : TargetInfo(triple),
3958      CPU(CPUStr),
3959      IsMips16(false),
3960      FloatABI(HardFloat),
3961      DspRev(NoDSP),
3962      ABI(ABIStr)
3963  {}
3964
3965  virtual const char *getABI() const { return ABI.c_str(); }
3966  virtual bool setABI(const std::string &Name) = 0;
3967  virtual bool setCPU(const std::string &Name) {
3968    CPU = Name;
3969    return true;
3970  }
3971  void getDefaultFeatures(llvm::StringMap<bool> &Features) const {
3972    Features[ABI] = true;
3973    Features[CPU] = true;
3974  }
3975
3976  virtual void getTargetDefines(const LangOptions &Opts,
3977                                MacroBuilder &Builder) const {
3978    DefineStd(Builder, "mips", Opts);
3979    Builder.defineMacro("_mips");
3980    Builder.defineMacro("__REGISTER_PREFIX__", "");
3981
3982    switch (FloatABI) {
3983    case HardFloat:
3984      Builder.defineMacro("__mips_hard_float", Twine(1));
3985      break;
3986    case SingleFloat:
3987      Builder.defineMacro("__mips_hard_float", Twine(1));
3988      Builder.defineMacro("__mips_single_float", Twine(1));
3989      break;
3990    case SoftFloat:
3991      Builder.defineMacro("__mips_soft_float", Twine(1));
3992      break;
3993    }
3994
3995    if (IsMips16)
3996      Builder.defineMacro("__mips16", Twine(1));
3997
3998    switch (DspRev) {
3999    default:
4000      break;
4001    case DSP1:
4002      Builder.defineMacro("__mips_dsp_rev", Twine(1));
4003      Builder.defineMacro("__mips_dsp", Twine(1));
4004      break;
4005    case DSP2:
4006      Builder.defineMacro("__mips_dsp_rev", Twine(2));
4007      Builder.defineMacro("__mips_dspr2", Twine(1));
4008      Builder.defineMacro("__mips_dsp", Twine(1));
4009      break;
4010    }
4011
4012    Builder.defineMacro("_MIPS_SZPTR", Twine(getPointerWidth(0)));
4013    Builder.defineMacro("_MIPS_SZINT", Twine(getIntWidth()));
4014    Builder.defineMacro("_MIPS_SZLONG", Twine(getLongWidth()));
4015
4016    Builder.defineMacro("_MIPS_ARCH", "\"" + CPU + "\"");
4017    Builder.defineMacro("_MIPS_ARCH_" + StringRef(CPU).upper());
4018  }
4019
4020  virtual void getTargetBuiltins(const Builtin::Info *&Records,
4021                                 unsigned &NumRecords) const {
4022    Records = BuiltinInfo;
4023    NumRecords = clang::Mips::LastTSBuiltin - Builtin::FirstTSBuiltin;
4024  }
4025  virtual bool hasFeature(StringRef Feature) const {
4026    return Feature == "mips";
4027  }
4028  virtual BuiltinVaListKind getBuiltinVaListKind() const {
4029    return TargetInfo::VoidPtrBuiltinVaList;
4030  }
4031  virtual void getGCCRegNames(const char * const *&Names,
4032                              unsigned &NumNames) const {
4033    static const char * const GCCRegNames[] = {
4034      // CPU register names
4035      // Must match second column of GCCRegAliases
4036      "$0",   "$1",   "$2",   "$3",   "$4",   "$5",   "$6",   "$7",
4037      "$8",   "$9",   "$10",  "$11",  "$12",  "$13",  "$14",  "$15",
4038      "$16",  "$17",  "$18",  "$19",  "$20",  "$21",  "$22",  "$23",
4039      "$24",  "$25",  "$26",  "$27",  "$28",  "$29",  "$30",  "$31",
4040      // Floating point register names
4041      "$f0",  "$f1",  "$f2",  "$f3",  "$f4",  "$f5",  "$f6",  "$f7",
4042      "$f8",  "$f9",  "$f10", "$f11", "$f12", "$f13", "$f14", "$f15",
4043      "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23",
4044      "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31",
4045      // Hi/lo and condition register names
4046      "hi",   "lo",   "",     "$fcc0","$fcc1","$fcc2","$fcc3","$fcc4",
4047      "$fcc5","$fcc6","$fcc7"
4048    };
4049    Names = GCCRegNames;
4050    NumNames = llvm::array_lengthof(GCCRegNames);
4051  }
4052  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
4053                                unsigned &NumAliases) const = 0;
4054  virtual bool validateAsmConstraint(const char *&Name,
4055                                     TargetInfo::ConstraintInfo &Info) const {
4056    switch (*Name) {
4057    default:
4058      return false;
4059
4060    case 'r': // CPU registers.
4061    case 'd': // Equivalent to "r" unless generating MIPS16 code.
4062    case 'y': // Equivalent to "r", backwards compatibility only.
4063    case 'f': // floating-point registers.
4064    case 'c': // $25 for indirect jumps
4065    case 'l': // lo register
4066    case 'x': // hilo register pair
4067      Info.setAllowsRegister();
4068      return true;
4069    }
4070  }
4071
4072  virtual const char *getClobbers() const {
4073    // FIXME: Implement!
4074    return "";
4075  }
4076
4077  virtual bool setFeatureEnabled(llvm::StringMap<bool> &Features,
4078                                 StringRef Name,
4079                                 bool Enabled) const {
4080    if (Name == "soft-float" || Name == "single-float" ||
4081        Name == "o32" || Name == "n32" || Name == "n64" || Name == "eabi" ||
4082        Name == "mips32" || Name == "mips32r2" ||
4083        Name == "mips64" || Name == "mips64r2" ||
4084        Name == "mips16" || Name == "dsp" || Name == "dspr2") {
4085      Features[Name] = Enabled;
4086      return true;
4087    }
4088    return false;
4089  }
4090
4091  virtual void HandleTargetFeatures(std::vector<std::string> &Features) {
4092    IsMips16 = false;
4093    FloatABI = HardFloat;
4094    DspRev = NoDSP;
4095
4096    for (std::vector<std::string>::iterator it = Features.begin(),
4097         ie = Features.end(); it != ie; ++it) {
4098      if (*it == "+single-float")
4099        FloatABI = SingleFloat;
4100      else if (*it == "+soft-float")
4101        FloatABI = SoftFloat;
4102      else if (*it == "+mips16")
4103        IsMips16 = true;
4104      else if (*it == "+dsp")
4105        DspRev = std::max(DspRev, DSP1);
4106      else if (*it == "+dspr2")
4107        DspRev = std::max(DspRev, DSP2);
4108    }
4109
4110    // Remove front-end specific option.
4111    std::vector<std::string>::iterator it =
4112      std::find(Features.begin(), Features.end(), "+soft-float");
4113    if (it != Features.end())
4114      Features.erase(it);
4115  }
4116};
4117
4118const Builtin::Info MipsTargetInfoBase::BuiltinInfo[] = {
4119#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
4120#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
4121                                              ALL_LANGUAGES },
4122#include "clang/Basic/BuiltinsMips.def"
4123};
4124
4125class Mips32TargetInfoBase : public MipsTargetInfoBase {
4126public:
4127  Mips32TargetInfoBase(const std::string& triple) :
4128    MipsTargetInfoBase(triple, "o32", "mips32") {
4129    SizeType = UnsignedInt;
4130    PtrDiffType = SignedInt;
4131  }
4132  virtual bool setABI(const std::string &Name) {
4133    if ((Name == "o32") || (Name == "eabi")) {
4134      ABI = Name;
4135      return true;
4136    } else
4137      return false;
4138  }
4139  virtual void getTargetDefines(const LangOptions &Opts,
4140                                MacroBuilder &Builder) const {
4141    MipsTargetInfoBase::getTargetDefines(Opts, Builder);
4142
4143    if (ABI == "o32") {
4144      Builder.defineMacro("__mips_o32");
4145      Builder.defineMacro("_ABIO32", "1");
4146      Builder.defineMacro("_MIPS_SIM", "_ABIO32");
4147    }
4148    else if (ABI == "eabi")
4149      Builder.defineMacro("__mips_eabi");
4150    else
4151      llvm_unreachable("Invalid ABI for Mips32.");
4152  }
4153  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
4154                                unsigned &NumAliases) const {
4155    static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
4156      { { "at" },  "$1" },
4157      { { "v0" },  "$2" },
4158      { { "v1" },  "$3" },
4159      { { "a0" },  "$4" },
4160      { { "a1" },  "$5" },
4161      { { "a2" },  "$6" },
4162      { { "a3" },  "$7" },
4163      { { "t0" },  "$8" },
4164      { { "t1" },  "$9" },
4165      { { "t2" }, "$10" },
4166      { { "t3" }, "$11" },
4167      { { "t4" }, "$12" },
4168      { { "t5" }, "$13" },
4169      { { "t6" }, "$14" },
4170      { { "t7" }, "$15" },
4171      { { "s0" }, "$16" },
4172      { { "s1" }, "$17" },
4173      { { "s2" }, "$18" },
4174      { { "s3" }, "$19" },
4175      { { "s4" }, "$20" },
4176      { { "s5" }, "$21" },
4177      { { "s6" }, "$22" },
4178      { { "s7" }, "$23" },
4179      { { "t8" }, "$24" },
4180      { { "t9" }, "$25" },
4181      { { "k0" }, "$26" },
4182      { { "k1" }, "$27" },
4183      { { "gp" }, "$28" },
4184      { { "sp","$sp" }, "$29" },
4185      { { "fp","$fp" }, "$30" },
4186      { { "ra" }, "$31" }
4187    };
4188    Aliases = GCCRegAliases;
4189    NumAliases = llvm::array_lengthof(GCCRegAliases);
4190  }
4191};
4192
4193class Mips32EBTargetInfo : public Mips32TargetInfoBase {
4194public:
4195  Mips32EBTargetInfo(const std::string& triple) : Mips32TargetInfoBase(triple) {
4196    DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
4197                        "i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32";
4198  }
4199  virtual void getTargetDefines(const LangOptions &Opts,
4200                                MacroBuilder &Builder) const {
4201    DefineStd(Builder, "MIPSEB", Opts);
4202    Builder.defineMacro("_MIPSEB");
4203    Mips32TargetInfoBase::getTargetDefines(Opts, Builder);
4204  }
4205};
4206
4207class Mips32ELTargetInfo : public Mips32TargetInfoBase {
4208public:
4209  Mips32ELTargetInfo(const std::string& triple) : Mips32TargetInfoBase(triple) {
4210    BigEndian = false;
4211    DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
4212                        "i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32";
4213  }
4214  virtual void getTargetDefines(const LangOptions &Opts,
4215                                MacroBuilder &Builder) const {
4216    DefineStd(Builder, "MIPSEL", Opts);
4217    Builder.defineMacro("_MIPSEL");
4218    Mips32TargetInfoBase::getTargetDefines(Opts, Builder);
4219  }
4220};
4221
4222class Mips64TargetInfoBase : public MipsTargetInfoBase {
4223  virtual void SetDescriptionString(const std::string &Name) = 0;
4224public:
4225  Mips64TargetInfoBase(const std::string& triple) :
4226    MipsTargetInfoBase(triple, "n64", "mips64") {
4227    LongWidth = LongAlign = 64;
4228    PointerWidth = PointerAlign = 64;
4229    LongDoubleWidth = LongDoubleAlign = 128;
4230    LongDoubleFormat = &llvm::APFloat::IEEEquad;
4231    if (getTriple().getOS() == llvm::Triple::FreeBSD) {
4232      LongDoubleWidth = LongDoubleAlign = 64;
4233      LongDoubleFormat = &llvm::APFloat::IEEEdouble;
4234    }
4235    SuitableAlign = 128;
4236  }
4237  virtual bool setABI(const std::string &Name) {
4238    SetDescriptionString(Name);
4239
4240    if (Name != "n32" && Name != "n64")
4241      return false;
4242
4243    ABI = Name;
4244
4245    if (Name == "n32") {
4246      LongWidth = LongAlign = 32;
4247      PointerWidth = PointerAlign = 32;
4248    }
4249
4250    return true;
4251  }
4252  virtual void getTargetDefines(const LangOptions &Opts,
4253                                MacroBuilder &Builder) const {
4254    MipsTargetInfoBase::getTargetDefines(Opts, Builder);
4255
4256    Builder.defineMacro("__mips64");
4257    Builder.defineMacro("__mips64__");
4258
4259    if (ABI == "n32") {
4260      Builder.defineMacro("__mips_n32");
4261      Builder.defineMacro("_ABIN32", "2");
4262      Builder.defineMacro("_MIPS_SIM", "_ABIN32");
4263    }
4264    else if (ABI == "n64") {
4265      Builder.defineMacro("__mips_n64");
4266      Builder.defineMacro("_ABI64", "3");
4267      Builder.defineMacro("_MIPS_SIM", "_ABI64");
4268    }
4269    else
4270      llvm_unreachable("Invalid ABI for Mips64.");
4271  }
4272  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
4273                                unsigned &NumAliases) const {
4274    static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
4275      { { "at" },  "$1" },
4276      { { "v0" },  "$2" },
4277      { { "v1" },  "$3" },
4278      { { "a0" },  "$4" },
4279      { { "a1" },  "$5" },
4280      { { "a2" },  "$6" },
4281      { { "a3" },  "$7" },
4282      { { "a4" },  "$8" },
4283      { { "a5" },  "$9" },
4284      { { "a6" }, "$10" },
4285      { { "a7" }, "$11" },
4286      { { "t0" }, "$12" },
4287      { { "t1" }, "$13" },
4288      { { "t2" }, "$14" },
4289      { { "t3" }, "$15" },
4290      { { "s0" }, "$16" },
4291      { { "s1" }, "$17" },
4292      { { "s2" }, "$18" },
4293      { { "s3" }, "$19" },
4294      { { "s4" }, "$20" },
4295      { { "s5" }, "$21" },
4296      { { "s6" }, "$22" },
4297      { { "s7" }, "$23" },
4298      { { "t8" }, "$24" },
4299      { { "t9" }, "$25" },
4300      { { "k0" }, "$26" },
4301      { { "k1" }, "$27" },
4302      { { "gp" }, "$28" },
4303      { { "sp","$sp" }, "$29" },
4304      { { "fp","$fp" }, "$30" },
4305      { { "ra" }, "$31" }
4306    };
4307    Aliases = GCCRegAliases;
4308    NumAliases = llvm::array_lengthof(GCCRegAliases);
4309  }
4310};
4311
4312class Mips64EBTargetInfo : public Mips64TargetInfoBase {
4313  virtual void SetDescriptionString(const std::string &Name) {
4314    // Change DescriptionString only if ABI is n32.
4315    if (Name == "n32")
4316      DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
4317                          "i64:64:64-f32:32:32-f64:64:64-f128:128:128-"
4318                          "v64:64:64-n32";
4319  }
4320public:
4321  Mips64EBTargetInfo(const std::string& triple) : Mips64TargetInfoBase(triple) {
4322    // Default ABI is n64.
4323    DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
4324                        "i64:64:64-f32:32:32-f64:64:64-f128:128:128-"
4325                        "v64:64:64-n32";
4326  }
4327  virtual void getTargetDefines(const LangOptions &Opts,
4328                                MacroBuilder &Builder) const {
4329    DefineStd(Builder, "MIPSEB", Opts);
4330    Builder.defineMacro("_MIPSEB");
4331    Mips64TargetInfoBase::getTargetDefines(Opts, Builder);
4332  }
4333};
4334
4335class Mips64ELTargetInfo : public Mips64TargetInfoBase {
4336  virtual void SetDescriptionString(const std::string &Name) {
4337    // Change DescriptionString only if ABI is n32.
4338    if (Name == "n32")
4339      DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
4340                          "i64:64:64-f32:32:32-f64:64:64-f128:128:128"
4341                          "-v64:64:64-n32";
4342  }
4343public:
4344  Mips64ELTargetInfo(const std::string& triple) : Mips64TargetInfoBase(triple) {
4345    // Default ABI is n64.
4346    BigEndian = false;
4347    DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:32-i16:16:32-i32:32:32-"
4348                        "i64:64:64-f32:32:32-f64:64:64-f128:128:128-"
4349                        "v64:64:64-n32";
4350  }
4351  virtual void getTargetDefines(const LangOptions &Opts,
4352                                MacroBuilder &Builder) const {
4353    DefineStd(Builder, "MIPSEL", Opts);
4354    Builder.defineMacro("_MIPSEL");
4355    Mips64TargetInfoBase::getTargetDefines(Opts, Builder);
4356  }
4357};
4358} // end anonymous namespace.
4359
4360namespace {
4361class PNaClTargetInfo : public TargetInfo {
4362public:
4363  PNaClTargetInfo(const std::string& triple) : TargetInfo(triple) {
4364    BigEndian = false;
4365    this->UserLabelPrefix = "";
4366    this->LongAlign = 32;
4367    this->LongWidth = 32;
4368    this->PointerAlign = 32;
4369    this->PointerWidth = 32;
4370    this->IntMaxType = TargetInfo::SignedLongLong;
4371    this->UIntMaxType = TargetInfo::UnsignedLongLong;
4372    this->Int64Type = TargetInfo::SignedLongLong;
4373    this->DoubleAlign = 64;
4374    this->LongDoubleWidth = 64;
4375    this->LongDoubleAlign = 64;
4376    this->SizeType = TargetInfo::UnsignedInt;
4377    this->PtrDiffType = TargetInfo::SignedInt;
4378    this->IntPtrType = TargetInfo::SignedInt;
4379    this->RegParmMax = 2;
4380    DescriptionString = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-"
4381                        "f32:32:32-f64:64:64-p:32:32:32-v128:32:32";
4382  }
4383
4384  void getDefaultFeatures(llvm::StringMap<bool> &Features) const {
4385  }
4386  virtual void getArchDefines(const LangOptions &Opts,
4387                              MacroBuilder &Builder) const {
4388    Builder.defineMacro("__le32__");
4389    Builder.defineMacro("__pnacl__");
4390  }
4391  virtual void getTargetDefines(const LangOptions &Opts,
4392                                MacroBuilder &Builder) const {
4393    Builder.defineMacro("__LITTLE_ENDIAN__");
4394    getArchDefines(Opts, Builder);
4395  }
4396  virtual bool hasFeature(StringRef Feature) const {
4397    return Feature == "pnacl";
4398  }
4399  virtual void getTargetBuiltins(const Builtin::Info *&Records,
4400                                 unsigned &NumRecords) const {
4401  }
4402  virtual BuiltinVaListKind getBuiltinVaListKind() const {
4403    return TargetInfo::PNaClABIBuiltinVaList;
4404  }
4405  virtual void getGCCRegNames(const char * const *&Names,
4406                              unsigned &NumNames) const;
4407  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
4408                                unsigned &NumAliases) const;
4409  virtual bool validateAsmConstraint(const char *&Name,
4410                                     TargetInfo::ConstraintInfo &Info) const {
4411    return false;
4412  }
4413
4414  virtual const char *getClobbers() const {
4415    return "";
4416  }
4417};
4418
4419void PNaClTargetInfo::getGCCRegNames(const char * const *&Names,
4420                                     unsigned &NumNames) const {
4421  Names = NULL;
4422  NumNames = 0;
4423}
4424
4425void PNaClTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
4426                                       unsigned &NumAliases) const {
4427  Aliases = NULL;
4428  NumAliases = 0;
4429}
4430} // end anonymous namespace.
4431
4432namespace {
4433  static const unsigned SPIRAddrSpaceMap[] = {
4434    1,    // opencl_global
4435    3,    // opencl_local
4436    2,    // opencl_constant
4437    0,    // cuda_device
4438    0,    // cuda_constant
4439    0     // cuda_shared
4440  };
4441  class SPIRTargetInfo : public TargetInfo {
4442    static const char * const GCCRegNames[];
4443    static const Builtin::Info BuiltinInfo[];
4444    std::vector<llvm::StringRef> AvailableFeatures;
4445  public:
4446    SPIRTargetInfo(const std::string& triple) : TargetInfo(triple) {
4447      assert(getTriple().getOS() == llvm::Triple::UnknownOS &&
4448        "SPIR target must use unknown OS");
4449      assert(getTriple().getEnvironment() == llvm::Triple::UnknownEnvironment &&
4450        "SPIR target must use unknown environment type");
4451      BigEndian = false;
4452      TLSSupported = false;
4453      LongWidth = LongAlign = 64;
4454      AddrSpaceMap = &SPIRAddrSpaceMap;
4455      // Define available target features
4456      // These must be defined in sorted order!
4457      NoAsmVariants = true;
4458    }
4459    virtual void getTargetDefines(const LangOptions &Opts,
4460                                  MacroBuilder &Builder) const {
4461      DefineStd(Builder, "SPIR", Opts);
4462    }
4463    virtual bool hasFeature(StringRef Feature) const {
4464      return Feature == "spir";
4465    }
4466
4467    virtual void getTargetBuiltins(const Builtin::Info *&Records,
4468                                   unsigned &NumRecords) const {}
4469    virtual const char *getClobbers() const {
4470      return "";
4471    }
4472    virtual void getGCCRegNames(const char * const *&Names,
4473                                unsigned &NumNames) const {}
4474    virtual bool validateAsmConstraint(const char *&Name,
4475                                       TargetInfo::ConstraintInfo &info) const {
4476      return true;
4477    }
4478    virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
4479                                  unsigned &NumAliases) const {}
4480    virtual BuiltinVaListKind getBuiltinVaListKind() const {
4481      return TargetInfo::VoidPtrBuiltinVaList;
4482    }
4483  };
4484
4485
4486  class SPIR32TargetInfo : public SPIRTargetInfo {
4487  public:
4488    SPIR32TargetInfo(const std::string& triple) : SPIRTargetInfo(triple) {
4489      PointerWidth = PointerAlign = 32;
4490      SizeType     = TargetInfo::UnsignedInt;
4491      PtrDiffType = IntPtrType = TargetInfo::SignedInt;
4492      DescriptionString
4493        = "p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-"
4494          "f32:32:32-f64:64:64-v16:16:16-v24:32:32-v32:32:32-v48:64:64-"
4495          "v64:64:64-v96:128:128-v128:128:128-v192:256:256-v256:256:256-"
4496          "v512:512:512-v1024:1024:1024";
4497  }
4498  };
4499
4500  class SPIR64TargetInfo : public SPIRTargetInfo {
4501  public:
4502    SPIR64TargetInfo(const std::string& triple) : SPIRTargetInfo(triple) {
4503      PointerWidth = PointerAlign = 64;
4504      SizeType     = TargetInfo::UnsignedLong;
4505      PtrDiffType = IntPtrType = TargetInfo::SignedLong;
4506      DescriptionString
4507        = "p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-"
4508          "f32:32:32-f64:64:64-v16:16:16-v24:32:32-v32:32:32-v48:64:64-"
4509          "v64:64:64-v96:128:128-v128:128:128-v192:256:256-v256:256:256-"
4510          "v512:512:512-v1024:1024:1024";
4511  }
4512  };
4513}
4514
4515
4516//===----------------------------------------------------------------------===//
4517// Driver code
4518//===----------------------------------------------------------------------===//
4519
4520static TargetInfo *AllocateTarget(const std::string &T) {
4521  llvm::Triple Triple(T);
4522  llvm::Triple::OSType os = Triple.getOS();
4523
4524  switch (Triple.getArch()) {
4525  default:
4526    return NULL;
4527
4528  case llvm::Triple::hexagon:
4529    return new HexagonTargetInfo(T);
4530
4531  case llvm::Triple::arm:
4532  case llvm::Triple::thumb:
4533    if (Triple.isOSDarwin())
4534      return new DarwinARMTargetInfo(T);
4535
4536    switch (os) {
4537    case llvm::Triple::Linux:
4538      return new LinuxTargetInfo<ARMTargetInfo>(T);
4539    case llvm::Triple::FreeBSD:
4540      return new FreeBSDTargetInfo<ARMTargetInfo>(T);
4541    case llvm::Triple::NetBSD:
4542      return new NetBSDTargetInfo<ARMTargetInfo>(T);
4543    case llvm::Triple::OpenBSD:
4544      return new OpenBSDTargetInfo<ARMTargetInfo>(T);
4545    case llvm::Triple::Bitrig:
4546      return new BitrigTargetInfo<ARMTargetInfo>(T);
4547    case llvm::Triple::RTEMS:
4548      return new RTEMSTargetInfo<ARMTargetInfo>(T);
4549    case llvm::Triple::NaCl:
4550      return new NaClTargetInfo<ARMTargetInfo>(T);
4551    default:
4552      return new ARMTargetInfo(T);
4553    }
4554
4555  case llvm::Triple::msp430:
4556    return new MSP430TargetInfo(T);
4557
4558  case llvm::Triple::mips:
4559    switch (os) {
4560    case llvm::Triple::Linux:
4561      return new LinuxTargetInfo<Mips32EBTargetInfo>(T);
4562    case llvm::Triple::RTEMS:
4563      return new RTEMSTargetInfo<Mips32EBTargetInfo>(T);
4564    case llvm::Triple::FreeBSD:
4565      return new FreeBSDTargetInfo<Mips32EBTargetInfo>(T);
4566    case llvm::Triple::NetBSD:
4567      return new NetBSDTargetInfo<Mips32EBTargetInfo>(T);
4568    default:
4569      return new Mips32EBTargetInfo(T);
4570    }
4571
4572  case llvm::Triple::mipsel:
4573    switch (os) {
4574    case llvm::Triple::Linux:
4575      return new LinuxTargetInfo<Mips32ELTargetInfo>(T);
4576    case llvm::Triple::RTEMS:
4577      return new RTEMSTargetInfo<Mips32ELTargetInfo>(T);
4578    case llvm::Triple::FreeBSD:
4579      return new FreeBSDTargetInfo<Mips32ELTargetInfo>(T);
4580    case llvm::Triple::NetBSD:
4581      return new NetBSDTargetInfo<Mips32ELTargetInfo>(T);
4582    default:
4583      return new Mips32ELTargetInfo(T);
4584    }
4585
4586  case llvm::Triple::mips64:
4587    switch (os) {
4588    case llvm::Triple::Linux:
4589      return new LinuxTargetInfo<Mips64EBTargetInfo>(T);
4590    case llvm::Triple::RTEMS:
4591      return new RTEMSTargetInfo<Mips64EBTargetInfo>(T);
4592    case llvm::Triple::FreeBSD:
4593      return new FreeBSDTargetInfo<Mips64EBTargetInfo>(T);
4594    case llvm::Triple::NetBSD:
4595      return new NetBSDTargetInfo<Mips64EBTargetInfo>(T);
4596    case llvm::Triple::OpenBSD:
4597      return new OpenBSDTargetInfo<Mips64EBTargetInfo>(T);
4598    default:
4599      return new Mips64EBTargetInfo(T);
4600    }
4601
4602  case llvm::Triple::mips64el:
4603    switch (os) {
4604    case llvm::Triple::Linux:
4605      return new LinuxTargetInfo<Mips64ELTargetInfo>(T);
4606    case llvm::Triple::RTEMS:
4607      return new RTEMSTargetInfo<Mips64ELTargetInfo>(T);
4608    case llvm::Triple::FreeBSD:
4609      return new FreeBSDTargetInfo<Mips64ELTargetInfo>(T);
4610    case llvm::Triple::NetBSD:
4611      return new NetBSDTargetInfo<Mips64ELTargetInfo>(T);
4612    case llvm::Triple::OpenBSD:
4613      return new OpenBSDTargetInfo<Mips64ELTargetInfo>(T);
4614    default:
4615      return new Mips64ELTargetInfo(T);
4616    }
4617
4618  case llvm::Triple::le32:
4619    switch (os) {
4620      case llvm::Triple::NaCl:
4621        return new NaClTargetInfo<PNaClTargetInfo>(T);
4622      default:
4623        return NULL;
4624    }
4625
4626  case llvm::Triple::ppc:
4627    if (Triple.isOSDarwin())
4628      return new DarwinPPC32TargetInfo(T);
4629    switch (os) {
4630    case llvm::Triple::Linux:
4631      return new LinuxTargetInfo<PPC32TargetInfo>(T);
4632    case llvm::Triple::FreeBSD:
4633      return new FreeBSDTargetInfo<PPC32TargetInfo>(T);
4634    case llvm::Triple::NetBSD:
4635      return new NetBSDTargetInfo<PPC32TargetInfo>(T);
4636    case llvm::Triple::OpenBSD:
4637      return new OpenBSDTargetInfo<PPC32TargetInfo>(T);
4638    case llvm::Triple::RTEMS:
4639      return new RTEMSTargetInfo<PPC32TargetInfo>(T);
4640    default:
4641      return new PPC32TargetInfo(T);
4642    }
4643
4644  case llvm::Triple::ppc64:
4645    if (Triple.isOSDarwin())
4646      return new DarwinPPC64TargetInfo(T);
4647    switch (os) {
4648    case llvm::Triple::Linux:
4649      return new LinuxTargetInfo<PPC64TargetInfo>(T);
4650    case llvm::Triple::Lv2:
4651      return new PS3PPUTargetInfo<PPC64TargetInfo>(T);
4652    case llvm::Triple::FreeBSD:
4653      return new FreeBSDTargetInfo<PPC64TargetInfo>(T);
4654    case llvm::Triple::NetBSD:
4655      return new NetBSDTargetInfo<PPC64TargetInfo>(T);
4656    default:
4657      return new PPC64TargetInfo(T);
4658    }
4659
4660  case llvm::Triple::nvptx:
4661    return new NVPTX32TargetInfo(T);
4662  case llvm::Triple::nvptx64:
4663    return new NVPTX64TargetInfo(T);
4664
4665  case llvm::Triple::mblaze:
4666    return new MBlazeTargetInfo(T);
4667
4668  case llvm::Triple::r600:
4669    return new R600TargetInfo(T);
4670
4671  case llvm::Triple::sparc:
4672    switch (os) {
4673    case llvm::Triple::Linux:
4674      return new LinuxTargetInfo<SparcV8TargetInfo>(T);
4675    case llvm::Triple::AuroraUX:
4676      return new AuroraUXSparcV8TargetInfo(T);
4677    case llvm::Triple::Solaris:
4678      return new SolarisSparcV8TargetInfo(T);
4679    case llvm::Triple::NetBSD:
4680      return new NetBSDTargetInfo<SparcV8TargetInfo>(T);
4681    case llvm::Triple::OpenBSD:
4682      return new OpenBSDTargetInfo<SparcV8TargetInfo>(T);
4683    case llvm::Triple::RTEMS:
4684      return new RTEMSTargetInfo<SparcV8TargetInfo>(T);
4685    default:
4686      return new SparcV8TargetInfo(T);
4687    }
4688
4689  case llvm::Triple::tce:
4690    return new TCETargetInfo(T);
4691
4692  case llvm::Triple::x86:
4693    if (Triple.isOSDarwin())
4694      return new DarwinI386TargetInfo(T);
4695
4696    switch (os) {
4697    case llvm::Triple::AuroraUX:
4698      return new AuroraUXTargetInfo<X86_32TargetInfo>(T);
4699    case llvm::Triple::Linux:
4700      return new LinuxTargetInfo<X86_32TargetInfo>(T);
4701    case llvm::Triple::DragonFly:
4702      return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(T);
4703    case llvm::Triple::NetBSD:
4704      return new NetBSDI386TargetInfo(T);
4705    case llvm::Triple::OpenBSD:
4706      return new OpenBSDI386TargetInfo(T);
4707    case llvm::Triple::Bitrig:
4708      return new BitrigI386TargetInfo(T);
4709    case llvm::Triple::FreeBSD:
4710      return new FreeBSDTargetInfo<X86_32TargetInfo>(T);
4711    case llvm::Triple::Minix:
4712      return new MinixTargetInfo<X86_32TargetInfo>(T);
4713    case llvm::Triple::Solaris:
4714      return new SolarisTargetInfo<X86_32TargetInfo>(T);
4715    case llvm::Triple::Cygwin:
4716      return new CygwinX86_32TargetInfo(T);
4717    case llvm::Triple::MinGW32:
4718      return new MinGWX86_32TargetInfo(T);
4719    case llvm::Triple::Win32:
4720      return new VisualStudioWindowsX86_32TargetInfo(T);
4721    case llvm::Triple::Haiku:
4722      return new HaikuX86_32TargetInfo(T);
4723    case llvm::Triple::RTEMS:
4724      return new RTEMSX86_32TargetInfo(T);
4725    case llvm::Triple::NaCl:
4726      return new NaClTargetInfo<X86_32TargetInfo>(T);
4727    default:
4728      return new X86_32TargetInfo(T);
4729    }
4730
4731  case llvm::Triple::x86_64:
4732    if (Triple.isOSDarwin() || Triple.getEnvironment() == llvm::Triple::MachO)
4733      return new DarwinX86_64TargetInfo(T);
4734
4735    switch (os) {
4736    case llvm::Triple::AuroraUX:
4737      return new AuroraUXTargetInfo<X86_64TargetInfo>(T);
4738    case llvm::Triple::Linux:
4739      return new LinuxTargetInfo<X86_64TargetInfo>(T);
4740    case llvm::Triple::DragonFly:
4741      return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(T);
4742    case llvm::Triple::NetBSD:
4743      return new NetBSDTargetInfo<X86_64TargetInfo>(T);
4744    case llvm::Triple::OpenBSD:
4745      return new OpenBSDX86_64TargetInfo(T);
4746    case llvm::Triple::Bitrig:
4747      return new BitrigX86_64TargetInfo(T);
4748    case llvm::Triple::FreeBSD:
4749      return new FreeBSDTargetInfo<X86_64TargetInfo>(T);
4750    case llvm::Triple::Solaris:
4751      return new SolarisTargetInfo<X86_64TargetInfo>(T);
4752    case llvm::Triple::MinGW32:
4753      return new MinGWX86_64TargetInfo(T);
4754    case llvm::Triple::Win32:   // This is what Triple.h supports now.
4755      return new VisualStudioWindowsX86_64TargetInfo(T);
4756    case llvm::Triple::NaCl:
4757      return new NaClTargetInfo<X86_64TargetInfo>(T);
4758    default:
4759      return new X86_64TargetInfo(T);
4760    }
4761
4762    case llvm::Triple::spir: {
4763      llvm::Triple Triple(T);
4764      if (Triple.getOS() != llvm::Triple::UnknownOS ||
4765        Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
4766        return NULL;
4767      return new SPIR32TargetInfo(T);
4768    }
4769    case llvm::Triple::spir64: {
4770      llvm::Triple Triple(T);
4771      if (Triple.getOS() != llvm::Triple::UnknownOS ||
4772        Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
4773        return NULL;
4774      return new SPIR64TargetInfo(T);
4775    }
4776  }
4777}
4778
4779/// CreateTargetInfo - Return the target info object for the specified target
4780/// triple.
4781TargetInfo *TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
4782                                         TargetOptions *Opts) {
4783  llvm::Triple Triple(Opts->Triple);
4784
4785  // Construct the target
4786  OwningPtr<TargetInfo> Target(AllocateTarget(Triple.str()));
4787  if (!Target) {
4788    Diags.Report(diag::err_target_unknown_triple) << Triple.str();
4789    return 0;
4790  }
4791  Target->setTargetOpts(Opts);
4792
4793  // Set the target CPU if specified.
4794  if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
4795    Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
4796    return 0;
4797  }
4798
4799  // Set the target ABI if specified.
4800  if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
4801    Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
4802    return 0;
4803  }
4804
4805  // Set the target C++ ABI.
4806  if (!Opts->CXXABI.empty() && !Target->setCXXABI(Opts->CXXABI)) {
4807    Diags.Report(diag::err_target_unknown_cxxabi) << Opts->CXXABI;
4808    return 0;
4809  }
4810
4811  // Compute the default target features, we need the target to handle this
4812  // because features may have dependencies on one another.
4813  llvm::StringMap<bool> Features;
4814  Target->getDefaultFeatures(Features);
4815
4816  // Apply the user specified deltas.
4817  // First the enables.
4818  for (std::vector<std::string>::const_iterator
4819         it = Opts->FeaturesAsWritten.begin(),
4820         ie = Opts->FeaturesAsWritten.end();
4821       it != ie; ++it) {
4822    const char *Name = it->c_str();
4823
4824    if (Name[0] != '+')
4825      continue;
4826
4827    // Apply the feature via the target.
4828    if (!Target->setFeatureEnabled(Features, Name + 1, true)) {
4829      Diags.Report(diag::err_target_invalid_feature) << Name;
4830      return 0;
4831    }
4832  }
4833
4834  // Then the disables.
4835  for (std::vector<std::string>::const_iterator
4836         it = Opts->FeaturesAsWritten.begin(),
4837         ie = Opts->FeaturesAsWritten.end();
4838       it != ie; ++it) {
4839    const char *Name = it->c_str();
4840
4841    if (Name[0] == '+')
4842      continue;
4843
4844    // Apply the feature via the target.
4845    if (Name[0] != '-' ||
4846        !Target->setFeatureEnabled(Features, Name + 1, false)) {
4847      Diags.Report(diag::err_target_invalid_feature) << Name;
4848      return 0;
4849    }
4850  }
4851
4852  // Add the features to the compile options.
4853  //
4854  // FIXME: If we are completely confident that we have the right set, we only
4855  // need to pass the minuses.
4856  Opts->Features.clear();
4857  for (llvm::StringMap<bool>::const_iterator it = Features.begin(),
4858         ie = Features.end(); it != ie; ++it)
4859    Opts->Features.push_back((it->second ? "+" : "-") + it->first().str());
4860  Target->HandleTargetFeatures(Opts->Features);
4861
4862  return Target.take();
4863}
4864