1 //===--- Targets.cpp - Implement target feature support -------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements construction of a TargetInfo object from a
13 //===----------------------------------------------------------------------===//
17 #include "Targets/AArch64.h"
18 #include "Targets/AMDGPU.h"
19 #include "Targets/ARM.h"
20 #include "Targets/AVR.h"
21 #include "Targets/BPF.h"
22 #include "Targets/Hexagon.h"
23 #include "Targets/Lanai.h"
24 #include "Targets/Le64.h"
25 #include "Targets/MSP430.h"
26 #include "Targets/Mips.h"
27 #include "Targets/NVPTX.h"
28 #include "Targets/Nios2.h"
29 #include "Targets/OSTargets.h"
30 #include "Targets/PNaCl.h"
31 #include "Targets/PPC.h"
32 #include "Targets/RISCV.h"
33 #include "Targets/SPIR.h"
34 #include "Targets/Sparc.h"
35 #include "Targets/SystemZ.h"
36 #include "Targets/TCE.h"
37 #include "Targets/WebAssembly.h"
38 #include "Targets/X86.h"
39 #include "Targets/XCore.h"
40 #include "clang/Basic/Diagnostic.h"
41 #include "llvm/ADT/StringExtras.h"
42 #include "llvm/ADT/Triple.h"
44 using namespace clang;
48 //===----------------------------------------------------------------------===//
49 // Common code shared among targets.
50 //===----------------------------------------------------------------------===//
52 /// DefineStd - Define a macro name and standard variants. For example if
53 /// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
55 void DefineStd(MacroBuilder &Builder, StringRef MacroName,
56 const LangOptions &Opts) {
57 assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
59 // If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
60 // in the user's namespace.
62 Builder.defineMacro(MacroName);
65 Builder.defineMacro("__" + MacroName);
68 Builder.defineMacro("__" + MacroName + "__");
71 void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, bool Tuning) {
72 Builder.defineMacro("__" + CPUName);
73 Builder.defineMacro("__" + CPUName + "__");
75 Builder.defineMacro("__tune_" + CPUName + "__");
78 void addCygMingDefines(const LangOptions &Opts, MacroBuilder &Builder) {
79 // Mingw and cygwin define __declspec(a) to __attribute__((a)). Clang
80 // supports __declspec natively under -fms-extensions, but we define a no-op
81 // __declspec macro anyway for pre-processor compatibility.
82 if (Opts.MicrosoftExt)
83 Builder.defineMacro("__declspec", "__declspec");
85 Builder.defineMacro("__declspec(a)", "__attribute__((a))");
87 if (!Opts.MicrosoftExt) {
88 // Provide macros for all the calling convention keywords. Provide both
89 // single and double underscore prefixed variants. These are available on
90 // x64 as well as x86, even though they have no effect.
91 const char *CCs[] = {"cdecl", "stdcall", "fastcall", "thiscall", "pascal"};
92 for (const char *CC : CCs) {
93 std::string GCCSpelling = "__attribute__((__";
95 GCCSpelling += "__))";
96 Builder.defineMacro(Twine("_") + CC, GCCSpelling);
97 Builder.defineMacro(Twine("__") + CC, GCCSpelling);
102 void addMinGWDefines(const llvm::Triple &Triple, const LangOptions &Opts,
103 MacroBuilder &Builder) {
104 DefineStd(Builder, "WIN32", Opts);
105 DefineStd(Builder, "WINNT", Opts);
106 if (Triple.isArch64Bit()) {
107 DefineStd(Builder, "WIN64", Opts);
108 Builder.defineMacro("__MINGW64__");
110 Builder.defineMacro("__MSVCRT__");
111 Builder.defineMacro("__MINGW32__");
112 addCygMingDefines(Opts, Builder);
115 //===----------------------------------------------------------------------===//
117 //===----------------------------------------------------------------------===//
119 TargetInfo *AllocateTarget(const llvm::Triple &Triple,
120 const TargetOptions &Opts) {
121 llvm::Triple::OSType os = Triple.getOS();
123 switch (Triple.getArch()) {
127 case llvm::Triple::xcore:
128 return new XCoreTargetInfo(Triple, Opts);
130 case llvm::Triple::hexagon:
131 return new HexagonTargetInfo(Triple, Opts);
133 case llvm::Triple::lanai:
134 return new LanaiTargetInfo(Triple, Opts);
136 case llvm::Triple::aarch64:
137 if (Triple.isOSDarwin())
138 return new DarwinAArch64TargetInfo(Triple, Opts);
141 case llvm::Triple::CloudABI:
142 return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts);
143 case llvm::Triple::FreeBSD:
144 return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
145 case llvm::Triple::Fuchsia:
146 return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts);
147 case llvm::Triple::Linux:
148 return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
149 case llvm::Triple::NetBSD:
150 return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
151 case llvm::Triple::OpenBSD:
152 return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
153 case llvm::Triple::Win32:
154 switch (Triple.getEnvironment()) {
155 case llvm::Triple::GNU:
156 return new MinGWARM64TargetInfo(Triple, Opts);
157 case llvm::Triple::MSVC:
158 default: // Assume MSVC for unknown environments
159 return new MicrosoftARM64TargetInfo(Triple, Opts);
162 return new AArch64leTargetInfo(Triple, Opts);
165 case llvm::Triple::aarch64_be:
167 case llvm::Triple::FreeBSD:
168 return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
169 case llvm::Triple::Fuchsia:
170 return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts);
171 case llvm::Triple::Linux:
172 return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts);
173 case llvm::Triple::NetBSD:
174 return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
176 return new AArch64beTargetInfo(Triple, Opts);
179 case llvm::Triple::arm:
180 case llvm::Triple::thumb:
181 if (Triple.isOSBinFormatMachO())
182 return new DarwinARMTargetInfo(Triple, Opts);
185 case llvm::Triple::CloudABI:
186 return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts);
187 case llvm::Triple::Linux:
188 return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
189 case llvm::Triple::FreeBSD:
190 return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
191 case llvm::Triple::NetBSD:
192 return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
193 case llvm::Triple::OpenBSD:
194 return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
195 case llvm::Triple::RTEMS:
196 return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts);
197 case llvm::Triple::NaCl:
198 return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts);
199 case llvm::Triple::Win32:
200 switch (Triple.getEnvironment()) {
201 case llvm::Triple::Cygnus:
202 return new CygwinARMTargetInfo(Triple, Opts);
203 case llvm::Triple::GNU:
204 return new MinGWARMTargetInfo(Triple, Opts);
205 case llvm::Triple::Itanium:
206 return new ItaniumWindowsARMleTargetInfo(Triple, Opts);
207 case llvm::Triple::MSVC:
208 default: // Assume MSVC for unknown environments
209 return new MicrosoftARMleTargetInfo(Triple, Opts);
212 return new ARMleTargetInfo(Triple, Opts);
215 case llvm::Triple::armeb:
216 case llvm::Triple::thumbeb:
217 if (Triple.isOSDarwin())
218 return new DarwinARMTargetInfo(Triple, Opts);
221 case llvm::Triple::Linux:
222 return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts);
223 case llvm::Triple::FreeBSD:
224 return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
225 case llvm::Triple::NetBSD:
226 return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
227 case llvm::Triple::OpenBSD:
228 return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
229 case llvm::Triple::RTEMS:
230 return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts);
231 case llvm::Triple::NaCl:
232 return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts);
234 return new ARMbeTargetInfo(Triple, Opts);
237 case llvm::Triple::avr:
238 return new AVRTargetInfo(Triple, Opts);
239 case llvm::Triple::bpfeb:
240 case llvm::Triple::bpfel:
241 return new BPFTargetInfo(Triple, Opts);
243 case llvm::Triple::msp430:
244 return new MSP430TargetInfo(Triple, Opts);
246 case llvm::Triple::nios2:
247 return new LinuxTargetInfo<Nios2TargetInfo>(Triple, Opts);
249 case llvm::Triple::mips:
251 case llvm::Triple::Linux:
252 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
253 case llvm::Triple::RTEMS:
254 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
255 case llvm::Triple::FreeBSD:
256 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
257 case llvm::Triple::NetBSD:
258 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
260 return new MipsTargetInfo(Triple, Opts);
263 case llvm::Triple::mipsel:
265 case llvm::Triple::Linux:
266 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
267 case llvm::Triple::RTEMS:
268 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
269 case llvm::Triple::FreeBSD:
270 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
271 case llvm::Triple::NetBSD:
272 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
273 case llvm::Triple::NaCl:
274 return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts);
276 return new MipsTargetInfo(Triple, Opts);
279 case llvm::Triple::mips64:
281 case llvm::Triple::Linux:
282 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
283 case llvm::Triple::RTEMS:
284 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
285 case llvm::Triple::FreeBSD:
286 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
287 case llvm::Triple::NetBSD:
288 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
289 case llvm::Triple::OpenBSD:
290 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
292 return new MipsTargetInfo(Triple, Opts);
295 case llvm::Triple::mips64el:
297 case llvm::Triple::Linux:
298 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
299 case llvm::Triple::RTEMS:
300 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
301 case llvm::Triple::FreeBSD:
302 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
303 case llvm::Triple::NetBSD:
304 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
305 case llvm::Triple::OpenBSD:
306 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
308 return new MipsTargetInfo(Triple, Opts);
311 case llvm::Triple::le32:
313 case llvm::Triple::NaCl:
314 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts);
319 case llvm::Triple::le64:
320 return new Le64TargetInfo(Triple, Opts);
322 case llvm::Triple::ppc:
323 if (Triple.isOSDarwin())
324 return new DarwinPPC32TargetInfo(Triple, Opts);
326 case llvm::Triple::Linux:
327 return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts);
328 case llvm::Triple::FreeBSD:
329 return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
330 case llvm::Triple::NetBSD:
331 return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
332 case llvm::Triple::OpenBSD:
333 return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
334 case llvm::Triple::RTEMS:
335 return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts);
337 return new PPC32TargetInfo(Triple, Opts);
340 case llvm::Triple::ppc64:
341 if (Triple.isOSDarwin())
342 return new DarwinPPC64TargetInfo(Triple, Opts);
344 case llvm::Triple::Linux:
345 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
346 case llvm::Triple::Lv2:
347 return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts);
348 case llvm::Triple::FreeBSD:
349 return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
350 case llvm::Triple::NetBSD:
351 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
353 return new PPC64TargetInfo(Triple, Opts);
356 case llvm::Triple::ppc64le:
358 case llvm::Triple::Linux:
359 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
360 case llvm::Triple::NetBSD:
361 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
363 return new PPC64TargetInfo(Triple, Opts);
366 case llvm::Triple::nvptx:
367 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/32);
368 case llvm::Triple::nvptx64:
369 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/64);
371 case llvm::Triple::amdgcn:
372 case llvm::Triple::r600:
373 return new AMDGPUTargetInfo(Triple, Opts);
375 case llvm::Triple::riscv32:
376 // TODO: add cases for FreeBSD, NetBSD, RTEMS once tested.
377 if (os == llvm::Triple::Linux)
378 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts);
379 return new RISCV32TargetInfo(Triple, Opts);
380 case llvm::Triple::riscv64:
381 // TODO: add cases for FreeBSD, NetBSD, RTEMS once tested.
382 if (os == llvm::Triple::Linux)
383 return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
384 return new RISCV64TargetInfo(Triple, Opts);
386 case llvm::Triple::sparc:
388 case llvm::Triple::Linux:
389 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts);
390 case llvm::Triple::Solaris:
391 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts);
392 case llvm::Triple::NetBSD:
393 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
394 case llvm::Triple::OpenBSD:
395 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
396 case llvm::Triple::RTEMS:
397 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts);
399 return new SparcV8TargetInfo(Triple, Opts);
402 // The 'sparcel' architecture copies all the above cases except for Solaris.
403 case llvm::Triple::sparcel:
405 case llvm::Triple::Linux:
406 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
407 case llvm::Triple::NetBSD:
408 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
409 case llvm::Triple::OpenBSD:
410 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
411 case llvm::Triple::RTEMS:
412 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
414 return new SparcV8elTargetInfo(Triple, Opts);
417 case llvm::Triple::sparcv9:
419 case llvm::Triple::Linux:
420 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts);
421 case llvm::Triple::Solaris:
422 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts);
423 case llvm::Triple::NetBSD:
424 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
425 case llvm::Triple::OpenBSD:
426 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
427 case llvm::Triple::FreeBSD:
428 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
430 return new SparcV9TargetInfo(Triple, Opts);
433 case llvm::Triple::systemz:
435 case llvm::Triple::Linux:
436 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts);
438 return new SystemZTargetInfo(Triple, Opts);
441 case llvm::Triple::tce:
442 return new TCETargetInfo(Triple, Opts);
444 case llvm::Triple::tcele:
445 return new TCELETargetInfo(Triple, Opts);
447 case llvm::Triple::x86:
448 if (Triple.isOSDarwin())
449 return new DarwinI386TargetInfo(Triple, Opts);
452 case llvm::Triple::Ananas:
453 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts);
454 case llvm::Triple::CloudABI:
455 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts);
456 case llvm::Triple::Linux: {
457 switch (Triple.getEnvironment()) {
459 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts);
460 case llvm::Triple::Android:
461 return new AndroidX86_32TargetInfo(Triple, Opts);
464 case llvm::Triple::DragonFly:
465 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
466 case llvm::Triple::NetBSD:
467 return new NetBSDI386TargetInfo(Triple, Opts);
468 case llvm::Triple::OpenBSD:
469 return new OpenBSDI386TargetInfo(Triple, Opts);
470 case llvm::Triple::FreeBSD:
471 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
472 case llvm::Triple::KFreeBSD:
473 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
474 case llvm::Triple::Minix:
475 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts);
476 case llvm::Triple::Solaris:
477 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts);
478 case llvm::Triple::Win32: {
479 switch (Triple.getEnvironment()) {
480 case llvm::Triple::Cygnus:
481 return new CygwinX86_32TargetInfo(Triple, Opts);
482 case llvm::Triple::GNU:
483 return new MinGWX86_32TargetInfo(Triple, Opts);
484 case llvm::Triple::Itanium:
485 case llvm::Triple::MSVC:
486 default: // Assume MSVC for unknown environments
487 return new MicrosoftX86_32TargetInfo(Triple, Opts);
490 case llvm::Triple::Haiku:
491 return new HaikuX86_32TargetInfo(Triple, Opts);
492 case llvm::Triple::RTEMS:
493 return new RTEMSX86_32TargetInfo(Triple, Opts);
494 case llvm::Triple::NaCl:
495 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts);
496 case llvm::Triple::ELFIAMCU:
497 return new MCUX86_32TargetInfo(Triple, Opts);
499 return new X86_32TargetInfo(Triple, Opts);
502 case llvm::Triple::x86_64:
503 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO())
504 return new DarwinX86_64TargetInfo(Triple, Opts);
507 case llvm::Triple::Ananas:
508 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts);
509 case llvm::Triple::CloudABI:
510 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts);
511 case llvm::Triple::Linux: {
512 switch (Triple.getEnvironment()) {
514 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts);
515 case llvm::Triple::Android:
516 return new AndroidX86_64TargetInfo(Triple, Opts);
519 case llvm::Triple::DragonFly:
520 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
521 case llvm::Triple::NetBSD:
522 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
523 case llvm::Triple::OpenBSD:
524 return new OpenBSDX86_64TargetInfo(Triple, Opts);
525 case llvm::Triple::FreeBSD:
526 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
527 case llvm::Triple::Fuchsia:
528 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts);
529 case llvm::Triple::KFreeBSD:
530 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
531 case llvm::Triple::Solaris:
532 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts);
533 case llvm::Triple::Win32: {
534 switch (Triple.getEnvironment()) {
535 case llvm::Triple::Cygnus:
536 return new CygwinX86_64TargetInfo(Triple, Opts);
537 case llvm::Triple::GNU:
538 return new MinGWX86_64TargetInfo(Triple, Opts);
539 case llvm::Triple::MSVC:
540 default: // Assume MSVC for unknown environments
541 return new MicrosoftX86_64TargetInfo(Triple, Opts);
544 case llvm::Triple::Haiku:
545 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts);
546 case llvm::Triple::NaCl:
547 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts);
548 case llvm::Triple::PS4:
549 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
551 return new X86_64TargetInfo(Triple, Opts);
554 case llvm::Triple::spir: {
555 if (Triple.getOS() != llvm::Triple::UnknownOS ||
556 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
558 return new SPIR32TargetInfo(Triple, Opts);
560 case llvm::Triple::spir64: {
561 if (Triple.getOS() != llvm::Triple::UnknownOS ||
562 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
564 return new SPIR64TargetInfo(Triple, Opts);
566 case llvm::Triple::wasm32:
567 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
568 Triple.getVendor() != llvm::Triple::UnknownVendor ||
569 Triple.getOS() != llvm::Triple::UnknownOS ||
570 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment ||
571 !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm()))
573 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
574 case llvm::Triple::wasm64:
575 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
576 Triple.getVendor() != llvm::Triple::UnknownVendor ||
577 Triple.getOS() != llvm::Triple::UnknownOS ||
578 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment ||
579 !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm()))
581 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
583 case llvm::Triple::renderscript32:
584 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts);
585 case llvm::Triple::renderscript64:
586 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts);
589 } // namespace targets
592 using namespace clang::targets;
593 /// CreateTargetInfo - Return the target info object for the specified target
596 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
597 const std::shared_ptr<TargetOptions> &Opts) {
598 llvm::Triple Triple(Opts->Triple);
600 // Construct the target
601 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts));
603 Diags.Report(diag::err_target_unknown_triple) << Triple.str();
606 Target->TargetOpts = Opts;
608 // Set the target CPU if specified.
609 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
610 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
611 SmallVector<StringRef, 32> ValidList;
612 Target->fillValidCPUList(ValidList);
613 if (!ValidList.empty())
614 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
618 // Set the target ABI if specified.
619 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
620 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
624 // Set the fp math unit.
625 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) {
626 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath;
630 // Compute the default target features, we need the target to handle this
631 // because features may have dependencies on one another.
632 llvm::StringMap<bool> Features;
633 if (!Target->initFeatureMap(Features, Diags, Opts->CPU,
634 Opts->FeaturesAsWritten))
637 // Add the features to the compile options.
638 Opts->Features.clear();
639 for (const auto &F : Features)
640 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
641 // Sort here, so we handle the features in a predictable order. (This matters
642 // when we're dealing with features that overlap.)
643 llvm::sort(Opts->Features.begin(), Opts->Features.end());
645 if (!Target->handleTargetFeatures(Opts->Features, Diags))
648 Target->setSupportedOpenCLOpts();
649 Target->setOpenCLExtensionOpts();
650 Target->setMaxAtomicWidth();
652 if (!Target->validateTarget(Diags))
655 Target->CheckFixedPointBits();
657 return Target.release();