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_32:
126 if (Triple.isOSDarwin())
127 return new DarwinAArch64TargetInfo(Triple, Opts);
130 case llvm::Triple::aarch64:
131 if (Triple.isOSDarwin())
132 return new DarwinAArch64TargetInfo(Triple, Opts);
135 case llvm::Triple::CloudABI:
136 return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts);
137 case llvm::Triple::FreeBSD:
138 return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
139 case llvm::Triple::Fuchsia:
140 return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts);
141 case llvm::Triple::Linux:
142 return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
143 case llvm::Triple::NetBSD:
144 return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
145 case llvm::Triple::OpenBSD:
146 return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
147 case llvm::Triple::Win32:
148 switch (Triple.getEnvironment()) {
149 case llvm::Triple::GNU:
150 return new MinGWARM64TargetInfo(Triple, Opts);
151 case llvm::Triple::MSVC:
152 default: // Assume MSVC for unknown environments
153 return new MicrosoftARM64TargetInfo(Triple, Opts);
156 return new AArch64leTargetInfo(Triple, Opts);
159 case llvm::Triple::aarch64_be:
161 case llvm::Triple::FreeBSD:
162 return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
163 case llvm::Triple::Fuchsia:
164 return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts);
165 case llvm::Triple::Linux:
166 return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts);
167 case llvm::Triple::NetBSD:
168 return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
170 return new AArch64beTargetInfo(Triple, Opts);
173 case llvm::Triple::arm:
174 case llvm::Triple::thumb:
175 if (Triple.isOSBinFormatMachO())
176 return new DarwinARMTargetInfo(Triple, Opts);
179 case llvm::Triple::CloudABI:
180 return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts);
181 case llvm::Triple::Linux:
182 return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
183 case llvm::Triple::FreeBSD:
184 return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
185 case llvm::Triple::NetBSD:
186 return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
187 case llvm::Triple::OpenBSD:
188 return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
189 case llvm::Triple::RTEMS:
190 return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts);
191 case llvm::Triple::NaCl:
192 return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts);
193 case llvm::Triple::Win32:
194 switch (Triple.getEnvironment()) {
195 case llvm::Triple::Cygnus:
196 return new CygwinARMTargetInfo(Triple, Opts);
197 case llvm::Triple::GNU:
198 return new MinGWARMTargetInfo(Triple, Opts);
199 case llvm::Triple::Itanium:
200 return new ItaniumWindowsARMleTargetInfo(Triple, Opts);
201 case llvm::Triple::MSVC:
202 default: // Assume MSVC for unknown environments
203 return new MicrosoftARMleTargetInfo(Triple, Opts);
206 return new ARMleTargetInfo(Triple, Opts);
209 case llvm::Triple::armeb:
210 case llvm::Triple::thumbeb:
211 if (Triple.isOSDarwin())
212 return new DarwinARMTargetInfo(Triple, Opts);
215 case llvm::Triple::Linux:
216 return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts);
217 case llvm::Triple::FreeBSD:
218 return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
219 case llvm::Triple::NetBSD:
220 return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
221 case llvm::Triple::OpenBSD:
222 return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
223 case llvm::Triple::RTEMS:
224 return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts);
225 case llvm::Triple::NaCl:
226 return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts);
228 return new ARMbeTargetInfo(Triple, Opts);
231 case llvm::Triple::avr:
232 return new AVRTargetInfo(Triple, Opts);
233 case llvm::Triple::bpfeb:
234 case llvm::Triple::bpfel:
235 return new BPFTargetInfo(Triple, Opts);
237 case llvm::Triple::msp430:
238 return new MSP430TargetInfo(Triple, Opts);
240 case llvm::Triple::mips:
242 case llvm::Triple::Linux:
243 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
244 case llvm::Triple::RTEMS:
245 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
246 case llvm::Triple::FreeBSD:
247 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
248 case llvm::Triple::NetBSD:
249 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
251 return new MipsTargetInfo(Triple, Opts);
254 case llvm::Triple::mipsel:
256 case llvm::Triple::Linux:
257 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
258 case llvm::Triple::RTEMS:
259 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
260 case llvm::Triple::FreeBSD:
261 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
262 case llvm::Triple::NetBSD:
263 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
264 case llvm::Triple::NaCl:
265 return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts);
267 return new MipsTargetInfo(Triple, Opts);
270 case llvm::Triple::mips64:
272 case llvm::Triple::Linux:
273 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
274 case llvm::Triple::RTEMS:
275 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
276 case llvm::Triple::FreeBSD:
277 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
278 case llvm::Triple::NetBSD:
279 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
280 case llvm::Triple::OpenBSD:
281 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
283 return new MipsTargetInfo(Triple, Opts);
286 case llvm::Triple::mips64el:
288 case llvm::Triple::Linux:
289 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
290 case llvm::Triple::RTEMS:
291 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
292 case llvm::Triple::FreeBSD:
293 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
294 case llvm::Triple::NetBSD:
295 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
296 case llvm::Triple::OpenBSD:
297 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
299 return new MipsTargetInfo(Triple, Opts);
302 case llvm::Triple::le32:
304 case llvm::Triple::NaCl:
305 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts);
310 case llvm::Triple::le64:
311 return new Le64TargetInfo(Triple, Opts);
313 case llvm::Triple::ppc:
314 if (Triple.isOSDarwin())
315 return new DarwinPPC32TargetInfo(Triple, Opts);
317 case llvm::Triple::Linux:
318 return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts);
319 case llvm::Triple::FreeBSD:
320 return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
321 case llvm::Triple::NetBSD:
322 return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
323 case llvm::Triple::OpenBSD:
324 return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
325 case llvm::Triple::RTEMS:
326 return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts);
327 case llvm::Triple::AIX:
328 return new AIXPPC32TargetInfo(Triple, Opts);
330 return new PPC32TargetInfo(Triple, Opts);
333 case llvm::Triple::ppc64:
334 if (Triple.isOSDarwin())
335 return new DarwinPPC64TargetInfo(Triple, Opts);
337 case llvm::Triple::Linux:
338 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
339 case llvm::Triple::Lv2:
340 return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts);
341 case llvm::Triple::FreeBSD:
342 return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
343 case llvm::Triple::NetBSD:
344 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
345 case llvm::Triple::AIX:
346 return new AIXPPC64TargetInfo(Triple, Opts);
348 return new PPC64TargetInfo(Triple, Opts);
351 case llvm::Triple::ppc64le:
353 case llvm::Triple::Linux:
354 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
355 case llvm::Triple::NetBSD:
356 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
358 return new PPC64TargetInfo(Triple, Opts);
361 case llvm::Triple::nvptx:
362 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/32);
363 case llvm::Triple::nvptx64:
364 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/64);
366 case llvm::Triple::amdgcn:
367 case llvm::Triple::r600:
368 return new AMDGPUTargetInfo(Triple, Opts);
370 case llvm::Triple::riscv32:
371 // TODO: add cases for NetBSD, RTEMS once tested.
373 case llvm::Triple::FreeBSD:
374 return new FreeBSDTargetInfo<RISCV32TargetInfo>(Triple, Opts);
375 case llvm::Triple::Linux:
376 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts);
378 return new RISCV32TargetInfo(Triple, Opts);
381 case llvm::Triple::riscv64:
382 // TODO: add cases for NetBSD, RTEMS once tested.
384 case llvm::Triple::FreeBSD:
385 return new FreeBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
386 case llvm::Triple::Fuchsia:
387 return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts);
388 case llvm::Triple::Linux:
389 return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
391 return new RISCV64TargetInfo(Triple, Opts);
394 case llvm::Triple::sparc:
396 case llvm::Triple::Linux:
397 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts);
398 case llvm::Triple::Solaris:
399 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts);
400 case llvm::Triple::NetBSD:
401 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
402 case llvm::Triple::OpenBSD:
403 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
404 case llvm::Triple::RTEMS:
405 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts);
407 return new SparcV8TargetInfo(Triple, Opts);
410 // The 'sparcel' architecture copies all the above cases except for Solaris.
411 case llvm::Triple::sparcel:
413 case llvm::Triple::Linux:
414 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
415 case llvm::Triple::NetBSD:
416 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
417 case llvm::Triple::OpenBSD:
418 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
419 case llvm::Triple::RTEMS:
420 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
422 return new SparcV8elTargetInfo(Triple, Opts);
425 case llvm::Triple::sparcv9:
427 case llvm::Triple::Linux:
428 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts);
429 case llvm::Triple::Solaris:
430 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts);
431 case llvm::Triple::NetBSD:
432 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
433 case llvm::Triple::OpenBSD:
434 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
435 case llvm::Triple::FreeBSD:
436 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
438 return new SparcV9TargetInfo(Triple, Opts);
441 case llvm::Triple::systemz:
443 case llvm::Triple::Linux:
444 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts);
446 return new SystemZTargetInfo(Triple, Opts);
449 case llvm::Triple::tce:
450 return new TCETargetInfo(Triple, Opts);
452 case llvm::Triple::tcele:
453 return new TCELETargetInfo(Triple, Opts);
455 case llvm::Triple::x86:
456 if (Triple.isOSDarwin())
457 return new DarwinI386TargetInfo(Triple, Opts);
460 case llvm::Triple::Ananas:
461 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts);
462 case llvm::Triple::CloudABI:
463 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts);
464 case llvm::Triple::Linux: {
465 switch (Triple.getEnvironment()) {
467 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts);
468 case llvm::Triple::Android:
469 return new AndroidX86_32TargetInfo(Triple, Opts);
472 case llvm::Triple::DragonFly:
473 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
474 case llvm::Triple::NetBSD:
475 return new NetBSDI386TargetInfo(Triple, Opts);
476 case llvm::Triple::OpenBSD:
477 return new OpenBSDI386TargetInfo(Triple, Opts);
478 case llvm::Triple::FreeBSD:
479 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
480 case llvm::Triple::KFreeBSD:
481 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
482 case llvm::Triple::Minix:
483 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts);
484 case llvm::Triple::Solaris:
485 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts);
486 case llvm::Triple::Win32: {
487 switch (Triple.getEnvironment()) {
488 case llvm::Triple::Cygnus:
489 return new CygwinX86_32TargetInfo(Triple, Opts);
490 case llvm::Triple::GNU:
491 return new MinGWX86_32TargetInfo(Triple, Opts);
492 case llvm::Triple::Itanium:
493 case llvm::Triple::MSVC:
494 default: // Assume MSVC for unknown environments
495 return new MicrosoftX86_32TargetInfo(Triple, Opts);
498 case llvm::Triple::Haiku:
499 return new HaikuX86_32TargetInfo(Triple, Opts);
500 case llvm::Triple::RTEMS:
501 return new RTEMSX86_32TargetInfo(Triple, Opts);
502 case llvm::Triple::NaCl:
503 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts);
504 case llvm::Triple::ELFIAMCU:
505 return new MCUX86_32TargetInfo(Triple, Opts);
506 case llvm::Triple::Hurd:
507 return new HurdTargetInfo<X86_32TargetInfo>(Triple, Opts);
509 return new X86_32TargetInfo(Triple, Opts);
512 case llvm::Triple::x86_64:
513 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO())
514 return new DarwinX86_64TargetInfo(Triple, Opts);
517 case llvm::Triple::Ananas:
518 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts);
519 case llvm::Triple::CloudABI:
520 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts);
521 case llvm::Triple::Linux: {
522 switch (Triple.getEnvironment()) {
524 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts);
525 case llvm::Triple::Android:
526 return new AndroidX86_64TargetInfo(Triple, Opts);
529 case llvm::Triple::DragonFly:
530 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
531 case llvm::Triple::NetBSD:
532 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
533 case llvm::Triple::OpenBSD:
534 return new OpenBSDX86_64TargetInfo(Triple, Opts);
535 case llvm::Triple::FreeBSD:
536 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
537 case llvm::Triple::Fuchsia:
538 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts);
539 case llvm::Triple::KFreeBSD:
540 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
541 case llvm::Triple::Solaris:
542 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts);
543 case llvm::Triple::Win32: {
544 switch (Triple.getEnvironment()) {
545 case llvm::Triple::Cygnus:
546 return new CygwinX86_64TargetInfo(Triple, Opts);
547 case llvm::Triple::GNU:
548 return new MinGWX86_64TargetInfo(Triple, Opts);
549 case llvm::Triple::MSVC:
550 default: // Assume MSVC for unknown environments
551 return new MicrosoftX86_64TargetInfo(Triple, Opts);
554 case llvm::Triple::Haiku:
555 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts);
556 case llvm::Triple::NaCl:
557 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts);
558 case llvm::Triple::PS4:
559 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
561 return new X86_64TargetInfo(Triple, Opts);
564 case llvm::Triple::spir: {
565 if (Triple.getOS() != llvm::Triple::UnknownOS ||
566 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
568 return new SPIR32TargetInfo(Triple, Opts);
570 case llvm::Triple::spir64: {
571 if (Triple.getOS() != llvm::Triple::UnknownOS ||
572 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
574 return new SPIR64TargetInfo(Triple, Opts);
576 case llvm::Triple::wasm32:
577 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
578 Triple.getVendor() != llvm::Triple::UnknownVendor ||
579 !Triple.isOSBinFormatWasm())
581 switch (Triple.getOS()) {
582 case llvm::Triple::WASI:
583 return new WASITargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
584 case llvm::Triple::Emscripten:
585 return new EmscriptenTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
586 case llvm::Triple::UnknownOS:
587 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
591 case llvm::Triple::wasm64:
592 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
593 Triple.getVendor() != llvm::Triple::UnknownVendor ||
594 !Triple.isOSBinFormatWasm())
596 switch (Triple.getOS()) {
597 case llvm::Triple::WASI:
598 return new WASITargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
599 case llvm::Triple::Emscripten:
600 return new EmscriptenTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
601 case llvm::Triple::UnknownOS:
602 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
607 case llvm::Triple::renderscript32:
608 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts);
609 case llvm::Triple::renderscript64:
610 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts);
613 } // namespace targets
616 using namespace clang::targets;
617 /// CreateTargetInfo - Return the target info object for the specified target
620 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
621 const std::shared_ptr<TargetOptions> &Opts) {
622 llvm::Triple Triple(Opts->Triple);
624 // Construct the target
625 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts));
627 Diags.Report(diag::err_target_unknown_triple) << Triple.str();
630 Target->TargetOpts = Opts;
632 // Set the target CPU if specified.
633 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
634 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
635 SmallVector<StringRef, 32> ValidList;
636 Target->fillValidCPUList(ValidList);
637 if (!ValidList.empty())
638 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
642 // Set the target ABI if specified.
643 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
644 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
648 // Set the fp math unit.
649 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) {
650 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath;
654 // Compute the default target features, we need the target to handle this
655 // because features may have dependencies on one another.
656 llvm::StringMap<bool> Features;
657 if (!Target->initFeatureMap(Features, Diags, Opts->CPU,
658 Opts->FeaturesAsWritten))
661 // Add the features to the compile options.
662 Opts->Features.clear();
663 for (const auto &F : Features)
664 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
665 // Sort here, so we handle the features in a predictable order. (This matters
666 // when we're dealing with features that overlap.)
667 llvm::sort(Opts->Features);
669 if (!Target->handleTargetFeatures(Opts->Features, Diags))
672 Target->setSupportedOpenCLOpts();
673 Target->setOpenCLExtensionOpts();
674 Target->setMaxAtomicWidth();
676 if (!Target->validateTarget(Diags))
679 Target->CheckFixedPointBits();
681 return Target.release();