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/VE.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 //===----------------------------------------------------------------------===//
104 //===----------------------------------------------------------------------===//
106 TargetInfo *AllocateTarget(const llvm::Triple &Triple,
107 const TargetOptions &Opts) {
108 llvm::Triple::OSType os = Triple.getOS();
110 switch (Triple.getArch()) {
114 case llvm::Triple::arc:
115 return new ARCTargetInfo(Triple, Opts);
117 case llvm::Triple::xcore:
118 return new XCoreTargetInfo(Triple, Opts);
120 case llvm::Triple::hexagon:
121 if (os == llvm::Triple::Linux &&
122 Triple.getEnvironment() == llvm::Triple::Musl)
123 return new LinuxTargetInfo<HexagonTargetInfo>(Triple, Opts);
124 return new HexagonTargetInfo(Triple, Opts);
126 case llvm::Triple::lanai:
127 return new LanaiTargetInfo(Triple, Opts);
129 case llvm::Triple::aarch64_32:
130 if (Triple.isOSDarwin())
131 return new DarwinAArch64TargetInfo(Triple, Opts);
134 case llvm::Triple::aarch64:
135 if (Triple.isOSDarwin())
136 return new DarwinAArch64TargetInfo(Triple, Opts);
139 case llvm::Triple::CloudABI:
140 return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts);
141 case llvm::Triple::FreeBSD:
142 return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
143 case llvm::Triple::Fuchsia:
144 return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts);
145 case llvm::Triple::Linux:
146 return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts);
147 case llvm::Triple::NetBSD:
148 return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
149 case llvm::Triple::OpenBSD:
150 return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
151 case llvm::Triple::Win32:
152 switch (Triple.getEnvironment()) {
153 case llvm::Triple::GNU:
154 return new MinGWARM64TargetInfo(Triple, Opts);
155 case llvm::Triple::MSVC:
156 default: // Assume MSVC for unknown environments
157 return new MicrosoftARM64TargetInfo(Triple, Opts);
160 return new AArch64leTargetInfo(Triple, Opts);
163 case llvm::Triple::aarch64_be:
165 case llvm::Triple::FreeBSD:
166 return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
167 case llvm::Triple::Fuchsia:
168 return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts);
169 case llvm::Triple::Linux:
170 return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts);
171 case llvm::Triple::NetBSD:
172 return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts);
174 return new AArch64beTargetInfo(Triple, Opts);
177 case llvm::Triple::arm:
178 case llvm::Triple::thumb:
179 if (Triple.isOSBinFormatMachO())
180 return new DarwinARMTargetInfo(Triple, Opts);
183 case llvm::Triple::CloudABI:
184 return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts);
185 case llvm::Triple::Linux:
186 return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts);
187 case llvm::Triple::FreeBSD:
188 return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
189 case llvm::Triple::NetBSD:
190 return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
191 case llvm::Triple::OpenBSD:
192 return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts);
193 case llvm::Triple::RTEMS:
194 return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts);
195 case llvm::Triple::NaCl:
196 return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts);
197 case llvm::Triple::Win32:
198 switch (Triple.getEnvironment()) {
199 case llvm::Triple::Cygnus:
200 return new CygwinARMTargetInfo(Triple, Opts);
201 case llvm::Triple::GNU:
202 return new MinGWARMTargetInfo(Triple, Opts);
203 case llvm::Triple::Itanium:
204 return new ItaniumWindowsARMleTargetInfo(Triple, Opts);
205 case llvm::Triple::MSVC:
206 default: // Assume MSVC for unknown environments
207 return new MicrosoftARMleTargetInfo(Triple, Opts);
210 return new ARMleTargetInfo(Triple, Opts);
213 case llvm::Triple::armeb:
214 case llvm::Triple::thumbeb:
215 if (Triple.isOSDarwin())
216 return new DarwinARMTargetInfo(Triple, Opts);
219 case llvm::Triple::Linux:
220 return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts);
221 case llvm::Triple::FreeBSD:
222 return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
223 case llvm::Triple::NetBSD:
224 return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
225 case llvm::Triple::OpenBSD:
226 return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts);
227 case llvm::Triple::RTEMS:
228 return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts);
229 case llvm::Triple::NaCl:
230 return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts);
232 return new ARMbeTargetInfo(Triple, Opts);
235 case llvm::Triple::avr:
236 return new AVRTargetInfo(Triple, Opts);
237 case llvm::Triple::bpfeb:
238 case llvm::Triple::bpfel:
239 return new BPFTargetInfo(Triple, Opts);
241 case llvm::Triple::msp430:
242 return new MSP430TargetInfo(Triple, Opts);
244 case llvm::Triple::mips:
246 case llvm::Triple::Linux:
247 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
248 case llvm::Triple::RTEMS:
249 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
250 case llvm::Triple::FreeBSD:
251 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
252 case llvm::Triple::NetBSD:
253 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
255 return new MipsTargetInfo(Triple, Opts);
258 case llvm::Triple::mipsel:
260 case llvm::Triple::Linux:
261 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
262 case llvm::Triple::RTEMS:
263 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
264 case llvm::Triple::FreeBSD:
265 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
266 case llvm::Triple::NetBSD:
267 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
268 case llvm::Triple::NaCl:
269 return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts);
271 return new MipsTargetInfo(Triple, Opts);
274 case llvm::Triple::mips64:
276 case llvm::Triple::Linux:
277 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
278 case llvm::Triple::RTEMS:
279 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
280 case llvm::Triple::FreeBSD:
281 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
282 case llvm::Triple::NetBSD:
283 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
284 case llvm::Triple::OpenBSD:
285 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
287 return new MipsTargetInfo(Triple, Opts);
290 case llvm::Triple::mips64el:
292 case llvm::Triple::Linux:
293 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts);
294 case llvm::Triple::RTEMS:
295 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts);
296 case llvm::Triple::FreeBSD:
297 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
298 case llvm::Triple::NetBSD:
299 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
300 case llvm::Triple::OpenBSD:
301 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts);
303 return new MipsTargetInfo(Triple, Opts);
306 case llvm::Triple::le32:
308 case llvm::Triple::NaCl:
309 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts);
314 case llvm::Triple::le64:
315 return new Le64TargetInfo(Triple, Opts);
317 case llvm::Triple::ppc:
318 if (Triple.isOSDarwin())
319 return new DarwinPPC32TargetInfo(Triple, Opts);
321 case llvm::Triple::Linux:
322 return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts);
323 case llvm::Triple::FreeBSD:
324 return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
325 case llvm::Triple::NetBSD:
326 return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
327 case llvm::Triple::OpenBSD:
328 return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts);
329 case llvm::Triple::RTEMS:
330 return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts);
331 case llvm::Triple::AIX:
332 return new AIXPPC32TargetInfo(Triple, Opts);
334 return new PPC32TargetInfo(Triple, Opts);
337 case llvm::Triple::ppc64:
338 if (Triple.isOSDarwin())
339 return new DarwinPPC64TargetInfo(Triple, Opts);
341 case llvm::Triple::Linux:
342 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
343 case llvm::Triple::Lv2:
344 return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts);
345 case llvm::Triple::FreeBSD:
346 return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
347 case llvm::Triple::NetBSD:
348 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
349 case llvm::Triple::AIX:
350 return new AIXPPC64TargetInfo(Triple, Opts);
352 return new PPC64TargetInfo(Triple, Opts);
355 case llvm::Triple::ppc64le:
357 case llvm::Triple::Linux:
358 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
359 case llvm::Triple::NetBSD:
360 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
362 return new PPC64TargetInfo(Triple, Opts);
365 case llvm::Triple::nvptx:
366 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/32);
367 case llvm::Triple::nvptx64:
368 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/64);
370 case llvm::Triple::amdgcn:
371 case llvm::Triple::r600:
372 return new AMDGPUTargetInfo(Triple, Opts);
374 case llvm::Triple::riscv32:
375 // TODO: add cases for NetBSD, RTEMS once tested.
377 case llvm::Triple::FreeBSD:
378 return new FreeBSDTargetInfo<RISCV32TargetInfo>(Triple, Opts);
379 case llvm::Triple::Linux:
380 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts);
382 return new RISCV32TargetInfo(Triple, Opts);
385 case llvm::Triple::riscv64:
386 // TODO: add cases for NetBSD, RTEMS once tested.
388 case llvm::Triple::FreeBSD:
389 return new FreeBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
390 case llvm::Triple::Fuchsia:
391 return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts);
392 case llvm::Triple::Linux:
393 return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
395 return new RISCV64TargetInfo(Triple, Opts);
398 case llvm::Triple::sparc:
400 case llvm::Triple::Linux:
401 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts);
402 case llvm::Triple::Solaris:
403 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts);
404 case llvm::Triple::NetBSD:
405 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
406 case llvm::Triple::OpenBSD:
407 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts);
408 case llvm::Triple::RTEMS:
409 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts);
411 return new SparcV8TargetInfo(Triple, Opts);
414 // The 'sparcel' architecture copies all the above cases except for Solaris.
415 case llvm::Triple::sparcel:
417 case llvm::Triple::Linux:
418 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
419 case llvm::Triple::NetBSD:
420 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
421 case llvm::Triple::OpenBSD:
422 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
423 case llvm::Triple::RTEMS:
424 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts);
426 return new SparcV8elTargetInfo(Triple, Opts);
429 case llvm::Triple::sparcv9:
431 case llvm::Triple::Linux:
432 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts);
433 case llvm::Triple::Solaris:
434 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts);
435 case llvm::Triple::NetBSD:
436 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
437 case llvm::Triple::OpenBSD:
438 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
439 case llvm::Triple::FreeBSD:
440 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts);
442 return new SparcV9TargetInfo(Triple, Opts);
445 case llvm::Triple::systemz:
447 case llvm::Triple::Linux:
448 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts);
450 return new SystemZTargetInfo(Triple, Opts);
453 case llvm::Triple::tce:
454 return new TCETargetInfo(Triple, Opts);
456 case llvm::Triple::tcele:
457 return new TCELETargetInfo(Triple, Opts);
459 case llvm::Triple::x86:
460 if (Triple.isOSDarwin())
461 return new DarwinI386TargetInfo(Triple, Opts);
464 case llvm::Triple::Ananas:
465 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts);
466 case llvm::Triple::CloudABI:
467 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts);
468 case llvm::Triple::Linux: {
469 switch (Triple.getEnvironment()) {
471 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts);
472 case llvm::Triple::Android:
473 return new AndroidX86_32TargetInfo(Triple, Opts);
476 case llvm::Triple::DragonFly:
477 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
478 case llvm::Triple::NetBSD:
479 return new NetBSDI386TargetInfo(Triple, Opts);
480 case llvm::Triple::OpenBSD:
481 return new OpenBSDI386TargetInfo(Triple, Opts);
482 case llvm::Triple::FreeBSD:
483 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
484 case llvm::Triple::Fuchsia:
485 return new FuchsiaTargetInfo<X86_32TargetInfo>(Triple, Opts);
486 case llvm::Triple::KFreeBSD:
487 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts);
488 case llvm::Triple::Minix:
489 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts);
490 case llvm::Triple::Solaris:
491 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts);
492 case llvm::Triple::Win32: {
493 switch (Triple.getEnvironment()) {
494 case llvm::Triple::Cygnus:
495 return new CygwinX86_32TargetInfo(Triple, Opts);
496 case llvm::Triple::GNU:
497 return new MinGWX86_32TargetInfo(Triple, Opts);
498 case llvm::Triple::Itanium:
499 case llvm::Triple::MSVC:
500 default: // Assume MSVC for unknown environments
501 return new MicrosoftX86_32TargetInfo(Triple, Opts);
504 case llvm::Triple::Haiku:
505 return new HaikuX86_32TargetInfo(Triple, Opts);
506 case llvm::Triple::RTEMS:
507 return new RTEMSX86_32TargetInfo(Triple, Opts);
508 case llvm::Triple::NaCl:
509 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts);
510 case llvm::Triple::ELFIAMCU:
511 return new MCUX86_32TargetInfo(Triple, Opts);
512 case llvm::Triple::Hurd:
513 return new HurdTargetInfo<X86_32TargetInfo>(Triple, Opts);
515 return new X86_32TargetInfo(Triple, Opts);
518 case llvm::Triple::x86_64:
519 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO())
520 return new DarwinX86_64TargetInfo(Triple, Opts);
523 case llvm::Triple::Ananas:
524 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts);
525 case llvm::Triple::CloudABI:
526 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts);
527 case llvm::Triple::Linux: {
528 switch (Triple.getEnvironment()) {
530 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts);
531 case llvm::Triple::Android:
532 return new AndroidX86_64TargetInfo(Triple, Opts);
535 case llvm::Triple::DragonFly:
536 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
537 case llvm::Triple::NetBSD:
538 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
539 case llvm::Triple::OpenBSD:
540 return new OpenBSDX86_64TargetInfo(Triple, Opts);
541 case llvm::Triple::FreeBSD:
542 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
543 case llvm::Triple::Fuchsia:
544 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts);
545 case llvm::Triple::KFreeBSD:
546 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
547 case llvm::Triple::Solaris:
548 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts);
549 case llvm::Triple::Win32: {
550 switch (Triple.getEnvironment()) {
551 case llvm::Triple::Cygnus:
552 return new CygwinX86_64TargetInfo(Triple, Opts);
553 case llvm::Triple::GNU:
554 return new MinGWX86_64TargetInfo(Triple, Opts);
555 case llvm::Triple::MSVC:
556 default: // Assume MSVC for unknown environments
557 return new MicrosoftX86_64TargetInfo(Triple, Opts);
560 case llvm::Triple::Haiku:
561 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts);
562 case llvm::Triple::NaCl:
563 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts);
564 case llvm::Triple::PS4:
565 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
567 return new X86_64TargetInfo(Triple, Opts);
570 case llvm::Triple::spir: {
571 if (Triple.getOS() != llvm::Triple::UnknownOS ||
572 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
574 return new SPIR32TargetInfo(Triple, Opts);
576 case llvm::Triple::spir64: {
577 if (Triple.getOS() != llvm::Triple::UnknownOS ||
578 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
580 return new SPIR64TargetInfo(Triple, Opts);
582 case llvm::Triple::wasm32:
583 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
584 Triple.getVendor() != llvm::Triple::UnknownVendor ||
585 !Triple.isOSBinFormatWasm())
587 switch (Triple.getOS()) {
588 case llvm::Triple::WASI:
589 return new WASITargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
590 case llvm::Triple::Emscripten:
591 return new EmscriptenTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
592 case llvm::Triple::UnknownOS:
593 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts);
597 case llvm::Triple::wasm64:
598 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
599 Triple.getVendor() != llvm::Triple::UnknownVendor ||
600 !Triple.isOSBinFormatWasm())
602 switch (Triple.getOS()) {
603 case llvm::Triple::WASI:
604 return new WASITargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
605 case llvm::Triple::Emscripten:
606 return new EmscriptenTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
607 case llvm::Triple::UnknownOS:
608 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts);
613 case llvm::Triple::renderscript32:
614 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts);
615 case llvm::Triple::renderscript64:
616 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts);
618 case llvm::Triple::ve:
619 return new LinuxTargetInfo<VETargetInfo>(Triple, Opts);
622 } // namespace targets
625 using namespace clang::targets;
626 /// CreateTargetInfo - Return the target info object for the specified target
629 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
630 const std::shared_ptr<TargetOptions> &Opts) {
631 llvm::Triple Triple(Opts->Triple);
633 // Construct the target
634 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts));
636 Diags.Report(diag::err_target_unknown_triple) << Triple.str();
639 Target->TargetOpts = Opts;
641 // Set the target CPU if specified.
642 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
643 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
644 SmallVector<StringRef, 32> ValidList;
645 Target->fillValidCPUList(ValidList);
646 if (!ValidList.empty())
647 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
651 // Set the target ABI if specified.
652 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
653 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
657 // Set the fp math unit.
658 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) {
659 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath;
663 // Compute the default target features, we need the target to handle this
664 // because features may have dependencies on one another.
665 llvm::StringMap<bool> Features;
666 if (!Target->initFeatureMap(Features, Diags, Opts->CPU,
667 Opts->FeaturesAsWritten))
670 // Add the features to the compile options.
671 Opts->Features.clear();
672 for (const auto &F : Features)
673 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
674 // Sort here, so we handle the features in a predictable order. (This matters
675 // when we're dealing with features that overlap.)
676 llvm::sort(Opts->Features);
678 if (!Target->handleTargetFeatures(Opts->Features, Diags))
681 Target->setSupportedOpenCLOpts();
682 Target->setOpenCLExtensionOpts();
683 Target->setMaxAtomicWidth();
685 if (!Target->validateTarget(Diags))
688 Target->CheckFixedPointBits();
690 return Target.release();