1 //===--- Targets.cpp - Implement target feature support -------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file implements construction of a TargetInfo object from a
12 //===----------------------------------------------------------------------===//
16 #include "Targets/AArch64.h"
17 #include "Targets/AMDGPU.h"
18 #include "Targets/ARC.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/OSTargets.h"
29 #include "Targets/PNaCl.h"
30 #include "Targets/PPC.h"
31 #include "Targets/RISCV.h"
32 #include "Targets/SPIR.h"
33 #include "Targets/Sparc.h"
34 #include "Targets/SystemZ.h"
35 #include "Targets/TCE.h"
36 #include "Targets/WebAssembly.h"
37 #include "Targets/X86.h"
38 #include "Targets/XCore.h"
39 #include "clang/Basic/Diagnostic.h"
40 #include "llvm/ADT/StringExtras.h"
41 #include "llvm/ADT/Triple.h"
43 using namespace clang;
47 //===----------------------------------------------------------------------===//
48 // Common code shared among targets.
49 //===----------------------------------------------------------------------===//
51 /// DefineStd - Define a macro name and standard variants. For example if
52 /// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
54 void DefineStd(MacroBuilder &Builder, StringRef MacroName,
55 const LangOptions &Opts) {
56 assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
58 // If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
59 // in the user's namespace.
61 Builder.defineMacro(MacroName);
64 Builder.defineMacro("__" + MacroName);
67 Builder.defineMacro("__" + MacroName + "__");
70 void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, bool Tuning) {
71 Builder.defineMacro("__" + CPUName);
72 Builder.defineMacro("__" + CPUName + "__");
74 Builder.defineMacro("__tune_" + CPUName + "__");
77 void addCygMingDefines(const LangOptions &Opts, MacroBuilder &Builder) {
78 // Mingw and cygwin define __declspec(a) to __attribute__((a)). Clang
79 // supports __declspec natively under -fms-extensions, but we define a no-op
80 // __declspec macro anyway for pre-processor compatibility.
81 if (Opts.MicrosoftExt)
82 Builder.defineMacro("__declspec", "__declspec");
84 Builder.defineMacro("__declspec(a)", "__attribute__((a))");
86 if (!Opts.MicrosoftExt) {
87 // Provide macros for all the calling convention keywords. Provide both
88 // single and double underscore prefixed variants. These are available on
89 // x64 as well as x86, even though they have no effect.
90 const char *CCs[] = {"cdecl", "stdcall", "fastcall", "thiscall", "pascal"};
91 for (const char *CC : CCs) {
92 std::string GCCSpelling = "__attribute__((__";
94 GCCSpelling += "__))";
95 Builder.defineMacro(Twine("_") + CC, GCCSpelling);
96 Builder.defineMacro(Twine("__") + CC, GCCSpelling);
101 //===----------------------------------------------------------------------===//
103 //===----------------------------------------------------------------------===//
105 TargetInfo *AllocateTarget(const llvm::Triple &Triple,
106 const TargetOptions &Opts) {
107 llvm::Triple::OSType os = Triple.getOS();
109 switch (Triple.getArch()) {
113 case llvm::Triple::arc:
114 return new ARCTargetInfo(Triple, Opts);
116 case llvm::Triple::xcore:
117 return new XCoreTargetInfo(Triple, Opts);
119 case llvm::Triple::hexagon:
120 return new HexagonTargetInfo(Triple, Opts);
122 case llvm::Triple::lanai:
123 return new LanaiTargetInfo(Triple, Opts);
125 case llvm::Triple::aarch64:
126 if (Triple.isOSDarwin())
127 return new DarwinAArch64TargetInfo(Triple, Opts);
130 case llvm::Triple::CloudABI:
131 return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts);
132 case llvm::Triple::FreeBSD:
133 return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
134 case llvm::Triple::Fuchsia:
135 return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts);
136 case llvm::Triple::Linux:
137 return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
138 case llvm::Triple::NetBSD:
139 return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
140 case llvm::Triple::OpenBSD:
141 return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
142 case llvm::Triple::Win32:
143 switch (Triple.getEnvironment()) {
144 case llvm::Triple::GNU:
145 return new MinGWARM64TargetInfo(Triple, Opts);
146 case llvm::Triple::MSVC:
147 default: // Assume MSVC for unknown environments
148 return new MicrosoftARM64TargetInfo(Triple, Opts);
151 return new AArch64leTargetInfo(Triple, Opts);
154 case llvm::Triple::aarch64_be:
156 case llvm::Triple::FreeBSD:
157 return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
158 case llvm::Triple::Fuchsia:
159 return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts);
160 case llvm::Triple::Linux:
161 return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts);
162 case llvm::Triple::NetBSD:
163 return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
165 return new AArch64beTargetInfo(Triple, Opts);
168 case llvm::Triple::arm:
169 case llvm::Triple::thumb:
170 if (Triple.isOSBinFormatMachO())
171 return new DarwinARMTargetInfo(Triple, Opts);
174 case llvm::Triple::CloudABI:
175 return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts);
176 case llvm::Triple::Linux:
177 return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
178 case llvm::Triple::FreeBSD:
179 return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
180 case llvm::Triple::NetBSD:
181 return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
182 case llvm::Triple::OpenBSD:
183 return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
184 case llvm::Triple::RTEMS:
185 return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts);
186 case llvm::Triple::NaCl:
187 return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts);
188 case llvm::Triple::Win32:
189 switch (Triple.getEnvironment()) {
190 case llvm::Triple::Cygnus:
191 return new CygwinARMTargetInfo(Triple, Opts);
192 case llvm::Triple::GNU:
193 return new MinGWARMTargetInfo(Triple, Opts);
194 case llvm::Triple::Itanium:
195 return new ItaniumWindowsARMleTargetInfo(Triple, Opts);
196 case llvm::Triple::MSVC:
197 default: // Assume MSVC for unknown environments
198 return new MicrosoftARMleTargetInfo(Triple, Opts);
201 return new ARMleTargetInfo(Triple, Opts);
204 case llvm::Triple::armeb:
205 case llvm::Triple::thumbeb:
206 if (Triple.isOSDarwin())
207 return new DarwinARMTargetInfo(Triple, Opts);
210 case llvm::Triple::Linux:
211 return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts);
212 case llvm::Triple::FreeBSD:
213 return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
214 case llvm::Triple::NetBSD:
215 return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
216 case llvm::Triple::OpenBSD:
217 return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
218 case llvm::Triple::RTEMS:
219 return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts);
220 case llvm::Triple::NaCl:
221 return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts);
223 return new ARMbeTargetInfo(Triple, Opts);
226 case llvm::Triple::avr:
227 return new AVRTargetInfo(Triple, Opts);
228 case llvm::Triple::bpfeb:
229 case llvm::Triple::bpfel:
230 return new BPFTargetInfo(Triple, Opts);
232 case llvm::Triple::msp430:
233 return new MSP430TargetInfo(Triple, Opts);
235 case llvm::Triple::mips:
237 case llvm::Triple::Linux:
238 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
239 case llvm::Triple::RTEMS:
240 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
241 case llvm::Triple::FreeBSD:
242 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
243 case llvm::Triple::NetBSD:
244 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
246 return new MipsTargetInfo(Triple, Opts);
249 case llvm::Triple::mipsel:
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);
259 case llvm::Triple::NaCl:
260 return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts);
262 return new MipsTargetInfo(Triple, Opts);
265 case llvm::Triple::mips64:
267 case llvm::Triple::Linux:
268 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
269 case llvm::Triple::RTEMS:
270 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
271 case llvm::Triple::FreeBSD:
272 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
273 case llvm::Triple::NetBSD:
274 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
275 case llvm::Triple::OpenBSD:
276 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
278 return new MipsTargetInfo(Triple, Opts);
281 case llvm::Triple::mips64el:
283 case llvm::Triple::Linux:
284 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
285 case llvm::Triple::RTEMS:
286 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
287 case llvm::Triple::FreeBSD:
288 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
289 case llvm::Triple::NetBSD:
290 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
291 case llvm::Triple::OpenBSD:
292 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
294 return new MipsTargetInfo(Triple, Opts);
297 case llvm::Triple::le32:
299 case llvm::Triple::NaCl:
300 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts);
305 case llvm::Triple::le64:
306 return new Le64TargetInfo(Triple, Opts);
308 case llvm::Triple::ppc:
309 if (Triple.isOSDarwin())
310 return new DarwinPPC32TargetInfo(Triple, Opts);
312 case llvm::Triple::Linux:
313 return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts);
314 case llvm::Triple::FreeBSD:
315 return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
316 case llvm::Triple::NetBSD:
317 return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
318 case llvm::Triple::OpenBSD:
319 return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
320 case llvm::Triple::RTEMS:
321 return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts);
322 case llvm::Triple::AIX:
323 return new AIXPPC32TargetInfo(Triple, Opts);
325 return new PPC32TargetInfo(Triple, Opts);
328 case llvm::Triple::ppc64:
329 if (Triple.isOSDarwin())
330 return new DarwinPPC64TargetInfo(Triple, Opts);
332 case llvm::Triple::Linux:
333 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
334 case llvm::Triple::Lv2:
335 return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts);
336 case llvm::Triple::FreeBSD:
337 return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
338 case llvm::Triple::NetBSD:
339 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
340 case llvm::Triple::AIX:
341 return new AIXPPC64TargetInfo(Triple, Opts);
343 return new PPC64TargetInfo(Triple, Opts);
346 case llvm::Triple::ppc64le:
348 case llvm::Triple::Linux:
349 return new LinuxTargetInfo<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::nvptx:
357 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/32);
358 case llvm::Triple::nvptx64:
359 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/64);
361 case llvm::Triple::amdgcn:
362 case llvm::Triple::r600:
363 return new AMDGPUTargetInfo(Triple, Opts);
365 case llvm::Triple::riscv32:
366 // TODO: add cases for NetBSD, RTEMS once tested.
368 case llvm::Triple::FreeBSD:
369 return new FreeBSDTargetInfo<RISCV32TargetInfo>(Triple, Opts);
370 case llvm::Triple::Linux:
371 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts);
373 return new RISCV32TargetInfo(Triple, Opts);
376 case llvm::Triple::riscv64:
377 // TODO: add cases for NetBSD, RTEMS once tested.
379 case llvm::Triple::FreeBSD:
380 return new FreeBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
381 case llvm::Triple::Linux:
382 return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
384 return new RISCV64TargetInfo(Triple, Opts);
387 case llvm::Triple::sparc:
389 case llvm::Triple::Linux:
390 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts);
391 case llvm::Triple::Solaris:
392 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts);
393 case llvm::Triple::NetBSD:
394 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
395 case llvm::Triple::OpenBSD:
396 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
397 case llvm::Triple::RTEMS:
398 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts);
400 return new SparcV8TargetInfo(Triple, Opts);
403 // The 'sparcel' architecture copies all the above cases except for Solaris.
404 case llvm::Triple::sparcel:
406 case llvm::Triple::Linux:
407 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
408 case llvm::Triple::NetBSD:
409 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
410 case llvm::Triple::OpenBSD:
411 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
412 case llvm::Triple::RTEMS:
413 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
415 return new SparcV8elTargetInfo(Triple, Opts);
418 case llvm::Triple::sparcv9:
420 case llvm::Triple::Linux:
421 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts);
422 case llvm::Triple::Solaris:
423 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts);
424 case llvm::Triple::NetBSD:
425 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
426 case llvm::Triple::OpenBSD:
427 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
428 case llvm::Triple::FreeBSD:
429 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
431 return new SparcV9TargetInfo(Triple, Opts);
434 case llvm::Triple::systemz:
436 case llvm::Triple::Linux:
437 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts);
439 return new SystemZTargetInfo(Triple, Opts);
442 case llvm::Triple::tce:
443 return new TCETargetInfo(Triple, Opts);
445 case llvm::Triple::tcele:
446 return new TCELETargetInfo(Triple, Opts);
448 case llvm::Triple::x86:
449 if (Triple.isOSDarwin())
450 return new DarwinI386TargetInfo(Triple, Opts);
453 case llvm::Triple::Ananas:
454 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts);
455 case llvm::Triple::CloudABI:
456 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts);
457 case llvm::Triple::Linux: {
458 switch (Triple.getEnvironment()) {
460 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts);
461 case llvm::Triple::Android:
462 return new AndroidX86_32TargetInfo(Triple, Opts);
465 case llvm::Triple::DragonFly:
466 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
467 case llvm::Triple::NetBSD:
468 return new NetBSDI386TargetInfo(Triple, Opts);
469 case llvm::Triple::OpenBSD:
470 return new OpenBSDI386TargetInfo(Triple, Opts);
471 case llvm::Triple::FreeBSD:
472 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
473 case llvm::Triple::KFreeBSD:
474 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
475 case llvm::Triple::Minix:
476 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts);
477 case llvm::Triple::Solaris:
478 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts);
479 case llvm::Triple::Win32: {
480 switch (Triple.getEnvironment()) {
481 case llvm::Triple::Cygnus:
482 return new CygwinX86_32TargetInfo(Triple, Opts);
483 case llvm::Triple::GNU:
484 return new MinGWX86_32TargetInfo(Triple, Opts);
485 case llvm::Triple::Itanium:
486 case llvm::Triple::MSVC:
487 default: // Assume MSVC for unknown environments
488 return new MicrosoftX86_32TargetInfo(Triple, Opts);
491 case llvm::Triple::Haiku:
492 return new HaikuX86_32TargetInfo(Triple, Opts);
493 case llvm::Triple::RTEMS:
494 return new RTEMSX86_32TargetInfo(Triple, Opts);
495 case llvm::Triple::NaCl:
496 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts);
497 case llvm::Triple::ELFIAMCU:
498 return new MCUX86_32TargetInfo(Triple, Opts);
499 case llvm::Triple::Hurd:
500 return new HurdTargetInfo<X86_32TargetInfo>(Triple, Opts);
502 return new X86_32TargetInfo(Triple, Opts);
505 case llvm::Triple::x86_64:
506 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO())
507 return new DarwinX86_64TargetInfo(Triple, Opts);
510 case llvm::Triple::Ananas:
511 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts);
512 case llvm::Triple::CloudABI:
513 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts);
514 case llvm::Triple::Linux: {
515 switch (Triple.getEnvironment()) {
517 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts);
518 case llvm::Triple::Android:
519 return new AndroidX86_64TargetInfo(Triple, Opts);
522 case llvm::Triple::DragonFly:
523 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
524 case llvm::Triple::NetBSD:
525 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
526 case llvm::Triple::OpenBSD:
527 return new OpenBSDX86_64TargetInfo(Triple, Opts);
528 case llvm::Triple::FreeBSD:
529 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
530 case llvm::Triple::Fuchsia:
531 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts);
532 case llvm::Triple::KFreeBSD:
533 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
534 case llvm::Triple::Solaris:
535 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts);
536 case llvm::Triple::Win32: {
537 switch (Triple.getEnvironment()) {
538 case llvm::Triple::Cygnus:
539 return new CygwinX86_64TargetInfo(Triple, Opts);
540 case llvm::Triple::GNU:
541 return new MinGWX86_64TargetInfo(Triple, Opts);
542 case llvm::Triple::MSVC:
543 default: // Assume MSVC for unknown environments
544 return new MicrosoftX86_64TargetInfo(Triple, Opts);
547 case llvm::Triple::Haiku:
548 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts);
549 case llvm::Triple::NaCl:
550 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts);
551 case llvm::Triple::PS4:
552 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
554 return new X86_64TargetInfo(Triple, Opts);
557 case llvm::Triple::spir: {
558 if (Triple.getOS() != llvm::Triple::UnknownOS ||
559 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
561 return new SPIR32TargetInfo(Triple, Opts);
563 case llvm::Triple::spir64: {
564 if (Triple.getOS() != llvm::Triple::UnknownOS ||
565 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
567 return new SPIR64TargetInfo(Triple, Opts);
569 case llvm::Triple::wasm32:
570 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
571 Triple.getVendor() != llvm::Triple::UnknownVendor ||
572 !Triple.isOSBinFormatWasm())
574 switch (Triple.getOS()) {
575 case llvm::Triple::WASI:
576 return new WASITargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
577 case llvm::Triple::Emscripten:
578 return new EmscriptenTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
579 case llvm::Triple::UnknownOS:
580 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
584 case llvm::Triple::wasm64:
585 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
586 Triple.getVendor() != llvm::Triple::UnknownVendor ||
587 !Triple.isOSBinFormatWasm())
589 switch (Triple.getOS()) {
590 case llvm::Triple::WASI:
591 return new WASITargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
592 case llvm::Triple::Emscripten:
593 return new EmscriptenTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
594 case llvm::Triple::UnknownOS:
595 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
600 case llvm::Triple::renderscript32:
601 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts);
602 case llvm::Triple::renderscript64:
603 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts);
606 } // namespace targets
609 using namespace clang::targets;
610 /// CreateTargetInfo - Return the target info object for the specified target
613 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
614 const std::shared_ptr<TargetOptions> &Opts) {
615 llvm::Triple Triple(Opts->Triple);
617 // Construct the target
618 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts));
620 Diags.Report(diag::err_target_unknown_triple) << Triple.str();
623 Target->TargetOpts = Opts;
625 // Set the target CPU if specified.
626 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
627 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
628 SmallVector<StringRef, 32> ValidList;
629 Target->fillValidCPUList(ValidList);
630 if (!ValidList.empty())
631 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
635 // Set the target ABI if specified.
636 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
637 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
641 // Set the fp math unit.
642 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) {
643 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath;
647 // Compute the default target features, we need the target to handle this
648 // because features may have dependencies on one another.
649 llvm::StringMap<bool> Features;
650 if (!Target->initFeatureMap(Features, Diags, Opts->CPU,
651 Opts->FeaturesAsWritten))
654 // Add the features to the compile options.
655 Opts->Features.clear();
656 for (const auto &F : Features)
657 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
658 // Sort here, so we handle the features in a predictable order. (This matters
659 // when we're dealing with features that overlap.)
660 llvm::sort(Opts->Features);
662 if (!Target->handleTargetFeatures(Opts->Features, Diags))
665 Target->setSupportedOpenCLOpts();
666 Target->setOpenCLExtensionOpts();
667 Target->setMaxAtomicWidth();
669 if (!Target->validateTarget(Diags))
672 Target->CheckFixedPointBits();
674 return Target.release();