clang 22.0.0git
Targets.cpp
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1//===--- Targets.cpp - Implement target feature support -------------------===//
2//
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
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements construction of a TargetInfo object from a
10// target triple.
11//
12//===----------------------------------------------------------------------===//
13
14#include "Targets.h"
15
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/CSKY.h"
23#include "Targets/DirectX.h"
24#include "Targets/Hexagon.h"
25#include "Targets/Lanai.h"
26#include "Targets/LoongArch.h"
27#include "Targets/M68k.h"
28#include "Targets/MSP430.h"
29#include "Targets/Mips.h"
30#include "Targets/NVPTX.h"
31#include "Targets/OSTargets.h"
32#include "Targets/PPC.h"
33#include "Targets/RISCV.h"
34#include "Targets/SPIR.h"
35#include "Targets/Sparc.h"
36#include "Targets/SystemZ.h"
37#include "Targets/TCE.h"
38#include "Targets/VE.h"
39#include "Targets/WebAssembly.h"
40#include "Targets/X86.h"
41#include "Targets/XCore.h"
42#include "Targets/Xtensa.h"
43#include "clang/Basic/Diagnostic.h"
44#include "clang/Basic/DiagnosticFrontend.h"
45#include "llvm/ADT/StringExtras.h"
46#include "llvm/TargetParser/Triple.h"
47
48using namespace clang;
49
50namespace clang {
51namespace targets {
52//===----------------------------------------------------------------------===//
53// Common code shared among targets.
54//===----------------------------------------------------------------------===//
55
56/// DefineStd - Define a macro name and standard variants. For example if
57/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
58/// when in GNU mode.
59void DefineStd(MacroBuilder &Builder, StringRef MacroName,
60 const LangOptions &Opts) {
61 assert(MacroName[0] != '_' && "Identifier should be in the user's namespace");
62
63 // If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier
64 // in the user's namespace.
65 if (Opts.GNUMode)
66 Builder.defineMacro(MacroName);
67
68 // Define __unix.
69 Builder.defineMacro("__" + MacroName);
70
71 // Define __unix__.
72 Builder.defineMacro("__" + MacroName + "__");
73}
74
75void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, bool Tuning) {
76 Builder.defineMacro("__" + CPUName);
77 Builder.defineMacro("__" + CPUName + "__");
78 if (Tuning)
79 Builder.defineMacro("__tune_" + CPUName + "__");
80}
81
82void addCygMingDefines(const LangOptions &Opts, MacroBuilder &Builder) {
83 // Mingw and cygwin define __declspec(a) to __attribute__((a)). Clang
84 // supports __declspec natively under -fdeclspec (also enabled with
85 // -fms-extensions), but we define a no-op __declspec macro anyway for
86 // pre-processor compatibility.
87 if (Opts.DeclSpecKeyword)
88 Builder.defineMacro("__declspec", "__declspec");
89 else
90 Builder.defineMacro("__declspec(a)", "__attribute__((a))");
91
92 if (!Opts.MicrosoftExt) {
93 // Provide macros for all the calling convention keywords. Provide both
94 // single and double underscore prefixed variants. These are available on
95 // x64 as well as x86, even though they have no effect.
96 const char *CCs[] = {"cdecl", "stdcall", "fastcall", "thiscall", "pascal"};
97 for (const char *CC : CCs) {
98 std::string GCCSpelling = "__attribute__((__";
99 GCCSpelling += CC;
100 GCCSpelling += "__))";
101 Builder.defineMacro(Twine("_") + CC, GCCSpelling);
102 Builder.defineMacro(Twine("__") + CC, GCCSpelling);
103 }
104 }
105}
106
107//===----------------------------------------------------------------------===//
108// Driver code
109//===----------------------------------------------------------------------===//
110
111std::unique_ptr<TargetInfo> AllocateTarget(const llvm::Triple &Triple,
112 const TargetOptions &Opts) {
113 llvm::Triple::OSType os = Triple.getOS();
114
115 switch (Triple.getArch()) {
116 default:
117 return nullptr;
118
119 case llvm::Triple::arc:
120 return std::make_unique<ARCTargetInfo>(Triple, Opts);
121
122 case llvm::Triple::xcore:
123 return std::make_unique<XCoreTargetInfo>(Triple, Opts);
124
125 case llvm::Triple::hexagon:
126 if (os == llvm::Triple::Linux &&
127 Triple.getEnvironment() == llvm::Triple::Musl)
128 return std::make_unique<LinuxTargetInfo<HexagonTargetInfo>>(Triple, Opts);
129 return std::make_unique<HexagonTargetInfo>(Triple, Opts);
130
131 case llvm::Triple::lanai:
132 return std::make_unique<LanaiTargetInfo>(Triple, Opts);
133
134 case llvm::Triple::aarch64_32:
135 if (Triple.isOSDarwin())
136 return std::make_unique<DarwinAArch64TargetInfo>(Triple, Opts);
137 else if (Triple.isAppleMachO())
138 return std::make_unique<AppleMachOAArch64TargetInfo>(Triple, Opts);
139
140 return nullptr;
141 case llvm::Triple::aarch64:
142 if (Triple.isOSDarwin())
143 return std::make_unique<DarwinAArch64TargetInfo>(Triple, Opts);
144 else if (Triple.isAppleMachO())
145 return std::make_unique<AppleMachOAArch64TargetInfo>(Triple, Opts);
146
147 switch (os) {
148 case llvm::Triple::FreeBSD:
149 return std::make_unique<FreeBSDTargetInfo<AArch64leTargetInfo>>(Triple,
150 Opts);
151 case llvm::Triple::Fuchsia:
152 return std::make_unique<FuchsiaTargetInfo<AArch64leTargetInfo>>(Triple,
153 Opts);
154 case llvm::Triple::Haiku:
155 return std::make_unique<HaikuTargetInfo<AArch64leTargetInfo>>(Triple,
156 Opts);
157 case llvm::Triple::Linux:
158 switch (Triple.getEnvironment()) {
159 default:
160 return std::make_unique<LinuxTargetInfo<AArch64leTargetInfo>>(Triple,
161 Opts);
162 case llvm::Triple::OpenHOS:
163 return std::make_unique<OHOSTargetInfo<AArch64leTargetInfo>>(Triple,
164 Opts);
165 }
166 case llvm::Triple::Managarm:
167 return std::make_unique<ManagarmTargetInfo<AArch64leTargetInfo>>(Triple,
168 Opts);
169 case llvm::Triple::NetBSD:
170 return std::make_unique<NetBSDTargetInfo<AArch64leTargetInfo>>(Triple,
171 Opts);
172 case llvm::Triple::OpenBSD:
173 return std::make_unique<OpenBSDTargetInfo<AArch64leTargetInfo>>(Triple,
174 Opts);
175 case llvm::Triple::Hurd:
176 return std::make_unique<HurdTargetInfo<AArch64leTargetInfo>>(Triple,
177 Opts);
178 case llvm::Triple::Win32:
179 switch (Triple.getEnvironment()) {
180 case llvm::Triple::GNU:
181 return std::make_unique<MinGWARM64TargetInfo>(Triple, Opts);
182 case llvm::Triple::MSVC:
183 default: // Assume MSVC for unknown environments
184 return std::make_unique<MicrosoftARM64TargetInfo>(Triple, Opts);
185 }
186 default:
187 return std::make_unique<AArch64leTargetInfo>(Triple, Opts);
188 }
189
190 case llvm::Triple::aarch64_be:
191 switch (os) {
192 case llvm::Triple::FreeBSD:
193 return std::make_unique<FreeBSDTargetInfo<AArch64beTargetInfo>>(Triple,
194 Opts);
195 case llvm::Triple::Fuchsia:
196 return std::make_unique<FuchsiaTargetInfo<AArch64beTargetInfo>>(Triple,
197 Opts);
198 case llvm::Triple::Linux:
199 return std::make_unique<LinuxTargetInfo<AArch64beTargetInfo>>(Triple,
200 Opts);
201 case llvm::Triple::NetBSD:
202 return std::make_unique<NetBSDTargetInfo<AArch64beTargetInfo>>(Triple,
203 Opts);
204 default:
205 return std::make_unique<AArch64beTargetInfo>(Triple, Opts);
206 }
207
208 case llvm::Triple::arm:
209 case llvm::Triple::thumb:
210 if (Triple.isOSBinFormatMachO())
211 return std::make_unique<DarwinARMTargetInfo>(Triple, Opts);
212
213 switch (os) {
214 case llvm::Triple::Linux:
215 switch (Triple.getEnvironment()) {
216 default:
217 return std::make_unique<LinuxTargetInfo<ARMleTargetInfo>>(Triple, Opts);
218 case llvm::Triple::OpenHOS:
219 return std::make_unique<OHOSTargetInfo<ARMleTargetInfo>>(Triple, Opts);
220 }
221 case llvm::Triple::LiteOS:
222 return std::make_unique<OHOSTargetInfo<ARMleTargetInfo>>(Triple, Opts);
223 case llvm::Triple::FreeBSD:
224 return std::make_unique<FreeBSDTargetInfo<ARMleTargetInfo>>(Triple, Opts);
225 case llvm::Triple::Fuchsia:
226 return std::make_unique<FuchsiaTargetInfo<ARMleTargetInfo>>(Triple, Opts);
227 case llvm::Triple::NetBSD:
228 return std::make_unique<NetBSDTargetInfo<ARMleTargetInfo>>(Triple, Opts);
229 case llvm::Triple::OpenBSD:
230 return std::make_unique<OpenBSDTargetInfo<ARMleTargetInfo>>(Triple, Opts);
231 case llvm::Triple::RTEMS:
232 return std::make_unique<RTEMSTargetInfo<ARMleTargetInfo>>(Triple, Opts);
233 case llvm::Triple::Haiku:
234 return std::make_unique<HaikuTargetInfo<ARMleTargetInfo>>(Triple, Opts);
235 case llvm::Triple::Win32:
236 switch (Triple.getEnvironment()) {
237 case llvm::Triple::Cygnus:
238 return std::make_unique<CygwinARMTargetInfo>(Triple, Opts);
239 case llvm::Triple::GNU:
240 return std::make_unique<MinGWARMTargetInfo>(Triple, Opts);
241 case llvm::Triple::Itanium:
242 return std::make_unique<ItaniumWindowsARMleTargetInfo>(Triple, Opts);
243 case llvm::Triple::MSVC:
244 default: // Assume MSVC for unknown environments
245 return std::make_unique<MicrosoftARMleTargetInfo>(Triple, Opts);
246 }
247 default:
248 return std::make_unique<ARMleTargetInfo>(Triple, Opts);
249 }
250
251 case llvm::Triple::armeb:
252 case llvm::Triple::thumbeb:
253 if (Triple.isOSDarwin())
254 return std::make_unique<DarwinARMTargetInfo>(Triple, Opts);
255 else if (Triple.isAppleMachO())
256 return std::make_unique<AppleMachOARMTargetInfo>(Triple, Opts);
257
258 switch (os) {
259 case llvm::Triple::Fuchsia:
260 return std::make_unique<FuchsiaTargetInfo<ARMbeTargetInfo>>(Triple, Opts);
261 case llvm::Triple::Linux:
262 return std::make_unique<LinuxTargetInfo<ARMbeTargetInfo>>(Triple, Opts);
263 case llvm::Triple::NetBSD:
264 return std::make_unique<NetBSDTargetInfo<ARMbeTargetInfo>>(Triple, Opts);
265 case llvm::Triple::RTEMS:
266 return std::make_unique<RTEMSTargetInfo<ARMbeTargetInfo>>(Triple, Opts);
267 default:
268 return std::make_unique<ARMbeTargetInfo>(Triple, Opts);
269 }
270
271 case llvm::Triple::avr:
272 return std::make_unique<AVRTargetInfo>(Triple, Opts);
273 case llvm::Triple::bpfeb:
274 case llvm::Triple::bpfel:
275 return std::make_unique<BPFTargetInfo>(Triple, Opts);
276
277 case llvm::Triple::msp430:
278 return std::make_unique<MSP430TargetInfo>(Triple, Opts);
279
280 case llvm::Triple::mips:
281 switch (os) {
282 case llvm::Triple::Linux:
283 return std::make_unique<LinuxTargetInfo<MipsTargetInfo>>(Triple, Opts);
284 case llvm::Triple::RTEMS:
285 return std::make_unique<RTEMSTargetInfo<MipsTargetInfo>>(Triple, Opts);
286 case llvm::Triple::FreeBSD:
287 return std::make_unique<FreeBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
288 case llvm::Triple::NetBSD:
289 return std::make_unique<NetBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
290 default:
291 return std::make_unique<MipsTargetInfo>(Triple, Opts);
292 }
293
294 case llvm::Triple::mipsel:
295 switch (os) {
296 case llvm::Triple::Linux:
297 switch (Triple.getEnvironment()) {
298 default:
299 return std::make_unique<LinuxTargetInfo<MipsTargetInfo>>(Triple, Opts);
300 case llvm::Triple::OpenHOS:
301 return std::make_unique<OHOSTargetInfo<MipsTargetInfo>>(Triple, Opts);
302 }
303 case llvm::Triple::RTEMS:
304 return std::make_unique<RTEMSTargetInfo<MipsTargetInfo>>(Triple, Opts);
305 case llvm::Triple::FreeBSD:
306 return std::make_unique<FreeBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
307 case llvm::Triple::NetBSD:
308 return std::make_unique<NetBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
309 case llvm::Triple::Win32:
310 switch (Triple.getEnvironment()) {
311 case llvm::Triple::GNU:
312 return std::make_unique<MinGWMipsTargetInfo>(Triple, Opts);
313 case llvm::Triple::MSVC:
314 default: // Assume MSVC for unknown environments
315 return std::make_unique<MicrosoftMipsTargetInfo>(Triple, Opts);
316 }
317 default:
318 return std::make_unique<MipsTargetInfo>(Triple, Opts);
319 }
320
321 case llvm::Triple::mips64:
322 switch (os) {
323 case llvm::Triple::Linux:
324 return std::make_unique<LinuxTargetInfo<MipsTargetInfo>>(Triple, Opts);
325 case llvm::Triple::RTEMS:
326 return std::make_unique<RTEMSTargetInfo<MipsTargetInfo>>(Triple, Opts);
327 case llvm::Triple::FreeBSD:
328 return std::make_unique<FreeBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
329 case llvm::Triple::NetBSD:
330 return std::make_unique<NetBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
331 case llvm::Triple::OpenBSD:
332 return std::make_unique<OpenBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
333 default:
334 return std::make_unique<MipsTargetInfo>(Triple, Opts);
335 }
336
337 case llvm::Triple::mips64el:
338 switch (os) {
339 case llvm::Triple::Linux:
340 return std::make_unique<LinuxTargetInfo<MipsTargetInfo>>(Triple, Opts);
341 case llvm::Triple::RTEMS:
342 return std::make_unique<RTEMSTargetInfo<MipsTargetInfo>>(Triple, Opts);
343 case llvm::Triple::FreeBSD:
344 return std::make_unique<FreeBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
345 case llvm::Triple::NetBSD:
346 return std::make_unique<NetBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
347 case llvm::Triple::OpenBSD:
348 return std::make_unique<OpenBSDTargetInfo<MipsTargetInfo>>(Triple, Opts);
349 default:
350 return std::make_unique<MipsTargetInfo>(Triple, Opts);
351 }
352
353 case llvm::Triple::m68k:
354 switch (os) {
355 case llvm::Triple::Linux:
356 return std::make_unique<LinuxTargetInfo<M68kTargetInfo>>(Triple, Opts);
357 case llvm::Triple::NetBSD:
358 return std::make_unique<NetBSDTargetInfo<M68kTargetInfo>>(Triple, Opts);
359 default:
360 return std::make_unique<M68kTargetInfo>(Triple, Opts);
361 }
362
363 case llvm::Triple::ppc:
364 switch (os) {
365 case llvm::Triple::Linux:
366 return std::make_unique<LinuxTargetInfo<PPC32TargetInfo>>(Triple, Opts);
367 case llvm::Triple::FreeBSD:
368 return std::make_unique<FreeBSDTargetInfo<PPC32TargetInfo>>(Triple, Opts);
369 case llvm::Triple::NetBSD:
370 return std::make_unique<NetBSDTargetInfo<PPC32TargetInfo>>(Triple, Opts);
371 case llvm::Triple::OpenBSD:
372 return std::make_unique<OpenBSDTargetInfo<PPC32TargetInfo>>(Triple, Opts);
373 case llvm::Triple::RTEMS:
374 return std::make_unique<RTEMSTargetInfo<PPC32TargetInfo>>(Triple, Opts);
375 case llvm::Triple::AIX:
376 return std::make_unique<AIXPPC32TargetInfo>(Triple, Opts);
377 default:
378 return std::make_unique<PPC32TargetInfo>(Triple, Opts);
379 }
380
381 case llvm::Triple::ppcle:
382 switch (os) {
383 case llvm::Triple::Linux:
384 return std::make_unique<LinuxTargetInfo<PPC32TargetInfo>>(Triple, Opts);
385 case llvm::Triple::FreeBSD:
386 return std::make_unique<FreeBSDTargetInfo<PPC32TargetInfo>>(Triple, Opts);
387 default:
388 return std::make_unique<PPC32TargetInfo>(Triple, Opts);
389 }
390
391 case llvm::Triple::ppc64:
392 switch (os) {
393 case llvm::Triple::Linux:
394 return std::make_unique<LinuxTargetInfo<PPC64TargetInfo>>(Triple, Opts);
395 case llvm::Triple::Lv2:
396 return std::make_unique<PS3PPUTargetInfo<PPC64TargetInfo>>(Triple, Opts);
397 case llvm::Triple::FreeBSD:
398 return std::make_unique<FreeBSDTargetInfo<PPC64TargetInfo>>(Triple, Opts);
399 case llvm::Triple::NetBSD:
400 return std::make_unique<NetBSDTargetInfo<PPC64TargetInfo>>(Triple, Opts);
401 case llvm::Triple::OpenBSD:
402 return std::make_unique<OpenBSDTargetInfo<PPC64TargetInfo>>(Triple, Opts);
403 case llvm::Triple::AIX:
404 return std::make_unique<AIXPPC64TargetInfo>(Triple, Opts);
405 default:
406 return std::make_unique<PPC64TargetInfo>(Triple, Opts);
407 }
408
409 case llvm::Triple::ppc64le:
410 switch (os) {
411 case llvm::Triple::Linux:
412 return std::make_unique<LinuxTargetInfo<PPC64TargetInfo>>(Triple, Opts);
413 case llvm::Triple::FreeBSD:
414 return std::make_unique<FreeBSDTargetInfo<PPC64TargetInfo>>(Triple, Opts);
415 case llvm::Triple::NetBSD:
416 return std::make_unique<NetBSDTargetInfo<PPC64TargetInfo>>(Triple, Opts);
417 case llvm::Triple::OpenBSD:
418 return std::make_unique<OpenBSDTargetInfo<PPC64TargetInfo>>(Triple, Opts);
419 default:
420 return std::make_unique<PPC64TargetInfo>(Triple, Opts);
421 }
422
423 case llvm::Triple::nvptx:
424 return std::make_unique<NVPTXTargetInfo>(Triple, Opts,
425 /*TargetPointerWidth=*/32);
426 case llvm::Triple::nvptx64:
427 return std::make_unique<NVPTXTargetInfo>(Triple, Opts,
428 /*TargetPointerWidth=*/64);
429
430 case llvm::Triple::amdgcn:
431 case llvm::Triple::r600:
432 return std::make_unique<AMDGPUTargetInfo>(Triple, Opts);
433
434 case llvm::Triple::riscv32:
435 switch (os) {
436 case llvm::Triple::NetBSD:
437 return std::make_unique<NetBSDTargetInfo<RISCV32TargetInfo>>(Triple,
438 Opts);
439 case llvm::Triple::Linux:
440 return std::make_unique<LinuxTargetInfo<RISCV32TargetInfo>>(Triple, Opts);
441 default:
442 return std::make_unique<RISCV32TargetInfo>(Triple, Opts);
443 }
444
445 case llvm::Triple::riscv64:
446 switch (os) {
447 case llvm::Triple::FreeBSD:
448 return std::make_unique<FreeBSDTargetInfo<RISCV64TargetInfo>>(Triple,
449 Opts);
450 case llvm::Triple::NetBSD:
451 return std::make_unique<NetBSDTargetInfo<RISCV64TargetInfo>>(Triple,
452 Opts);
453 case llvm::Triple::OpenBSD:
454 return std::make_unique<OpenBSDTargetInfo<RISCV64TargetInfo>>(Triple,
455 Opts);
456 case llvm::Triple::Fuchsia:
457 return std::make_unique<FuchsiaTargetInfo<RISCV64TargetInfo>>(Triple,
458 Opts);
459 case llvm::Triple::Haiku:
460 return std::make_unique<HaikuTargetInfo<RISCV64TargetInfo>>(Triple,
461 Opts);
462 case llvm::Triple::Linux:
463 switch (Triple.getEnvironment()) {
464 default:
465 return std::make_unique<LinuxTargetInfo<RISCV64TargetInfo>>(Triple,
466 Opts);
467 case llvm::Triple::OpenHOS:
468 return std::make_unique<OHOSTargetInfo<RISCV64TargetInfo>>(Triple,
469 Opts);
470 }
471 case llvm::Triple::Managarm:
472 return std::make_unique<ManagarmTargetInfo<RISCV64TargetInfo>>(Triple,
473 Opts);
474 case llvm::Triple::Hurd:
475 return std::make_unique<HurdTargetInfo<RISCV64TargetInfo>>(Triple, Opts);
476 default:
477 return std::make_unique<RISCV64TargetInfo>(Triple, Opts);
478 }
479
480 case llvm::Triple::sparc:
481 switch (os) {
482 case llvm::Triple::Linux:
483 return std::make_unique<LinuxTargetInfo<SparcV8TargetInfo>>(Triple, Opts);
484 case llvm::Triple::Solaris:
485 return std::make_unique<SolarisTargetInfo<SparcV8TargetInfo>>(Triple,
486 Opts);
487 case llvm::Triple::NetBSD:
488 return std::make_unique<NetBSDTargetInfo<SparcV8TargetInfo>>(Triple,
489 Opts);
490 case llvm::Triple::RTEMS:
491 return std::make_unique<RTEMSTargetInfo<SparcV8TargetInfo>>(Triple, Opts);
492 default:
493 return std::make_unique<SparcV8TargetInfo>(Triple, Opts);
494 }
495
496 case llvm::Triple::sparcel:
497 switch (os) {
498 case llvm::Triple::Linux:
499 return std::make_unique<LinuxTargetInfo<SparcV8elTargetInfo>>(Triple,
500 Opts);
501 case llvm::Triple::RTEMS:
502 return std::make_unique<RTEMSTargetInfo<SparcV8elTargetInfo>>(Triple,
503 Opts);
504 default:
505 return std::make_unique<SparcV8elTargetInfo>(Triple, Opts);
506 }
507
508 case llvm::Triple::sparcv9:
509 switch (os) {
510 case llvm::Triple::Linux:
511 return std::make_unique<LinuxTargetInfo<SparcV9TargetInfo>>(Triple, Opts);
512 case llvm::Triple::Solaris:
513 return std::make_unique<SolarisTargetInfo<SparcV9TargetInfo>>(Triple,
514 Opts);
515 case llvm::Triple::NetBSD:
516 return std::make_unique<NetBSDTargetInfo<SparcV9TargetInfo>>(Triple,
517 Opts);
518 case llvm::Triple::OpenBSD:
519 return std::make_unique<OpenBSDTargetInfo<SparcV9TargetInfo>>(Triple,
520 Opts);
521 case llvm::Triple::FreeBSD:
522 return std::make_unique<FreeBSDTargetInfo<SparcV9TargetInfo>>(Triple,
523 Opts);
524 default:
525 return std::make_unique<SparcV9TargetInfo>(Triple, Opts);
526 }
527
528 case llvm::Triple::systemz:
529 switch (os) {
530 case llvm::Triple::Linux:
531 return std::make_unique<LinuxTargetInfo<SystemZTargetInfo>>(Triple, Opts);
532 case llvm::Triple::ZOS:
533 return std::make_unique<ZOSTargetInfo<SystemZTargetInfo>>(Triple, Opts);
534 default:
535 return std::make_unique<SystemZTargetInfo>(Triple, Opts);
536 }
537
538 case llvm::Triple::tce:
539 return std::make_unique<TCETargetInfo>(Triple, Opts);
540
541 case llvm::Triple::tcele:
542 return std::make_unique<TCELETargetInfo>(Triple, Opts);
543
544 case llvm::Triple::x86:
545 if (Triple.isOSDarwin())
546 return std::make_unique<DarwinI386TargetInfo>(Triple, Opts);
547 else if (Triple.isAppleMachO())
548 return std::make_unique<AppleMachOI386TargetInfo>(Triple, Opts);
549
550 switch (os) {
551 case llvm::Triple::Linux: {
552 switch (Triple.getEnvironment()) {
553 default:
554 return std::make_unique<LinuxTargetInfo<X86_32TargetInfo>>(Triple,
555 Opts);
556 case llvm::Triple::Android:
557 return std::make_unique<AndroidX86_32TargetInfo>(Triple, Opts);
558 }
559 }
560 case llvm::Triple::DragonFly:
561 return std::make_unique<DragonFlyBSDTargetInfo<X86_32TargetInfo>>(Triple,
562 Opts);
563 case llvm::Triple::NetBSD:
564 return std::make_unique<NetBSDI386TargetInfo>(Triple, Opts);
565 case llvm::Triple::OpenBSD:
566 return std::make_unique<OpenBSDI386TargetInfo>(Triple, Opts);
567 case llvm::Triple::FreeBSD:
568 return std::make_unique<FreeBSDTargetInfo<X86_32TargetInfo>>(Triple,
569 Opts);
570 case llvm::Triple::Fuchsia:
571 return std::make_unique<FuchsiaTargetInfo<X86_32TargetInfo>>(Triple,
572 Opts);
573 case llvm::Triple::KFreeBSD:
574 return std::make_unique<KFreeBSDTargetInfo<X86_32TargetInfo>>(Triple,
575 Opts);
576 case llvm::Triple::Solaris:
577 return std::make_unique<SolarisTargetInfo<X86_32TargetInfo>>(Triple,
578 Opts);
579 case llvm::Triple::Win32: {
580 switch (Triple.getEnvironment()) {
581 case llvm::Triple::Cygnus:
582 return std::make_unique<CygwinX86_32TargetInfo>(Triple, Opts);
583 case llvm::Triple::GNU:
584 return std::make_unique<MinGWX86_32TargetInfo>(Triple, Opts);
585 case llvm::Triple::Itanium:
586 case llvm::Triple::MSVC:
587 default: // Assume MSVC for unknown environments
588 return std::make_unique<MicrosoftX86_32TargetInfo>(Triple, Opts);
589 }
590 }
591 case llvm::Triple::Haiku:
592 return std::make_unique<HaikuX86_32TargetInfo>(Triple, Opts);
593 case llvm::Triple::RTEMS:
594 return std::make_unique<RTEMSX86_32TargetInfo>(Triple, Opts);
595 case llvm::Triple::ELFIAMCU:
596 return std::make_unique<MCUX86_32TargetInfo>(Triple, Opts);
597 case llvm::Triple::Hurd:
598 return std::make_unique<HurdTargetInfo<X86_32TargetInfo>>(Triple, Opts);
599 default:
600 return std::make_unique<X86_32TargetInfo>(Triple, Opts);
601 }
602
603 case llvm::Triple::x86_64:
604 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO())
605 return std::make_unique<DarwinX86_64TargetInfo>(Triple, Opts);
606
607 switch (os) {
608 case llvm::Triple::Linux: {
609 switch (Triple.getEnvironment()) {
610 default:
611 return std::make_unique<LinuxTargetInfo<X86_64TargetInfo>>(Triple,
612 Opts);
613 case llvm::Triple::Android:
614 return std::make_unique<AndroidX86_64TargetInfo>(Triple, Opts);
615 case llvm::Triple::OpenHOS:
616 return std::make_unique<OHOSX86_64TargetInfo>(Triple, Opts);
617 }
618 }
619 case llvm::Triple::DragonFly:
620 return std::make_unique<DragonFlyBSDTargetInfo<X86_64TargetInfo>>(Triple,
621 Opts);
622 case llvm::Triple::NetBSD:
623 return std::make_unique<NetBSDTargetInfo<X86_64TargetInfo>>(Triple, Opts);
624 case llvm::Triple::OpenBSD:
625 return std::make_unique<OpenBSDX86_64TargetInfo>(Triple, Opts);
626 case llvm::Triple::FreeBSD:
627 return std::make_unique<FreeBSDTargetInfo<X86_64TargetInfo>>(Triple,
628 Opts);
629 case llvm::Triple::Fuchsia:
630 return std::make_unique<FuchsiaTargetInfo<X86_64TargetInfo>>(Triple,
631 Opts);
632 case llvm::Triple::KFreeBSD:
633 return std::make_unique<KFreeBSDTargetInfo<X86_64TargetInfo>>(Triple,
634 Opts);
635 case llvm::Triple::Solaris:
636 return std::make_unique<SolarisTargetInfo<X86_64TargetInfo>>(Triple,
637 Opts);
638 case llvm::Triple::UEFI:
639 return std::make_unique<UEFIX86_64TargetInfo>(Triple, Opts);
640
641 case llvm::Triple::Win32: {
642 switch (Triple.getEnvironment()) {
643 case llvm::Triple::Cygnus:
644 return std::make_unique<CygwinX86_64TargetInfo>(Triple, Opts);
645 case llvm::Triple::GNU:
646 return std::make_unique<MinGWX86_64TargetInfo>(Triple, Opts);
647 case llvm::Triple::MSVC:
648 default: // Assume MSVC for unknown environments
649 return std::make_unique<MicrosoftX86_64TargetInfo>(Triple, Opts);
650 }
651 }
652 case llvm::Triple::Haiku:
653 return std::make_unique<HaikuTargetInfo<X86_64TargetInfo>>(Triple, Opts);
654 case llvm::Triple::PS4:
655 return std::make_unique<PS4OSTargetInfo<X86_64TargetInfo>>(Triple, Opts);
656 case llvm::Triple::PS5:
657 return std::make_unique<PS5OSTargetInfo<X86_64TargetInfo>>(Triple, Opts);
658 case llvm::Triple::Hurd:
659 return std::make_unique<HurdTargetInfo<X86_64TargetInfo>>(Triple, Opts);
660 case llvm::Triple::Managarm:
661 return std::make_unique<ManagarmTargetInfo<X86_64TargetInfo>>(Triple,
662 Opts);
663 default:
664 return std::make_unique<X86_64TargetInfo>(Triple, Opts);
665 }
666
667 case llvm::Triple::spir: {
668 if (os != llvm::Triple::UnknownOS ||
669 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
670 return nullptr;
671 return std::make_unique<SPIR32TargetInfo>(Triple, Opts);
672 }
673 case llvm::Triple::spir64: {
674 if (os != llvm::Triple::UnknownOS ||
675 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
676 return nullptr;
677 return std::make_unique<SPIR64TargetInfo>(Triple, Opts);
678 }
679 case llvm::Triple::spirv: {
680 return std::make_unique<SPIRVTargetInfo>(Triple, Opts);
681 }
682 case llvm::Triple::spirv32: {
683 if (os != llvm::Triple::UnknownOS ||
684 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment)
685 return nullptr;
686 return std::make_unique<SPIRV32TargetInfo>(Triple, Opts);
687 }
688 case llvm::Triple::spirv64: {
689 if (os != llvm::Triple::UnknownOS ||
690 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) {
691 if (os == llvm::Triple::OSType::AMDHSA)
692 return std::make_unique<SPIRV64AMDGCNTargetInfo>(Triple, Opts);
693 return nullptr;
694 }
695 if (Triple.getVendor() == llvm::Triple::Intel)
696 return std::make_unique<SPIRV64IntelTargetInfo>(Triple, Opts);
697 return std::make_unique<SPIRV64TargetInfo>(Triple, Opts);
698 }
699 case llvm::Triple::wasm32:
700 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
701 Triple.getVendor() != llvm::Triple::UnknownVendor ||
702 !Triple.isOSBinFormatWasm())
703 return nullptr;
704 switch (os) {
705 case llvm::Triple::WASI:
706 return std::make_unique<WASITargetInfo<WebAssembly32TargetInfo>>(Triple,
707 Opts);
708 case llvm::Triple::Emscripten:
709 return std::make_unique<EmscriptenTargetInfo<WebAssembly32TargetInfo>>(
710 Triple, Opts);
711
712 case llvm::Triple::Linux:
713 return std::make_unique<WALITargetInfo<WebAssembly32TargetInfo>>(Triple,
714 Opts);
715 case llvm::Triple::UnknownOS:
716 return std::make_unique<WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>>(
717 Triple, Opts);
718 default:
719 return nullptr;
720 }
721 case llvm::Triple::wasm64:
722 if (Triple.getSubArch() != llvm::Triple::NoSubArch ||
723 Triple.getVendor() != llvm::Triple::UnknownVendor ||
724 !Triple.isOSBinFormatWasm())
725 return nullptr;
726 switch (os) {
727 case llvm::Triple::WASI:
728 return std::make_unique<WASITargetInfo<WebAssembly64TargetInfo>>(Triple,
729 Opts);
730 case llvm::Triple::Emscripten:
731 return std::make_unique<EmscriptenTargetInfo<WebAssembly64TargetInfo>>(
732 Triple, Opts);
733 case llvm::Triple::UnknownOS:
734 return std::make_unique<WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>>(
735 Triple, Opts);
736 default:
737 return nullptr;
738 }
739
740 case llvm::Triple::dxil:
741 return std::make_unique<DirectXTargetInfo>(Triple, Opts);
742
743 case llvm::Triple::ve:
744 return std::make_unique<LinuxTargetInfo<VETargetInfo>>(Triple, Opts);
745
746 case llvm::Triple::csky:
747 switch (os) {
748 case llvm::Triple::Linux:
749 return std::make_unique<LinuxTargetInfo<CSKYTargetInfo>>(Triple, Opts);
750 default:
751 return std::make_unique<CSKYTargetInfo>(Triple, Opts);
752 }
753 case llvm::Triple::loongarch32:
754 switch (os) {
755 case llvm::Triple::Linux:
756 return std::make_unique<LinuxTargetInfo<LoongArch32TargetInfo>>(Triple,
757 Opts);
758 default:
759 return std::make_unique<LoongArch32TargetInfo>(Triple, Opts);
760 }
761 case llvm::Triple::loongarch64:
762 switch (os) {
763 case llvm::Triple::Linux:
764 switch (Triple.getEnvironment()) {
765 default:
766 return std::make_unique<LinuxTargetInfo<LoongArch64TargetInfo>>(Triple,
767 Opts);
768 case llvm::Triple::OpenHOS:
769 return std::make_unique<OHOSTargetInfo<LoongArch64TargetInfo>>(Triple,
770 Opts);
771 }
772 case llvm::Triple::FreeBSD:
773 return std::make_unique<FreeBSDTargetInfo<LoongArch64TargetInfo>>(Triple,
774 Opts);
775 case llvm::Triple::OpenBSD:
776 return std::make_unique<OpenBSDTargetInfo<LoongArch64TargetInfo>>(Triple,
777 Opts);
778 default:
779 return std::make_unique<LoongArch64TargetInfo>(Triple, Opts);
780 }
781
782 case llvm::Triple::xtensa:
783 return std::make_unique<XtensaTargetInfo>(Triple, Opts);
784 }
785}
786} // namespace targets
787} // namespace clang
788
789using namespace clang::targets;
790/// CreateTargetInfo - Return the target info object for the specified target
791/// options.
792TargetInfo *TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
793 TargetOptions &OptsRef) {
794 TargetOptions *Opts = &OptsRef;
795
796 llvm::Triple Triple(llvm::Triple::normalize(Opts->Triple));
797
798 // Construct the target
799 std::unique_ptr<TargetInfo> Target = AllocateTarget(Triple, *Opts);
800 if (!Target) {
801 Diags.Report(diag::err_target_unknown_triple) << Triple.str();
802 return nullptr;
803 }
804 Target->TargetOpts = Opts;
805
806 // Set the target CPU if specified.
807 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) {
808 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU;
809 SmallVector<StringRef, 32> ValidList;
810 Target->fillValidCPUList(ValidList);
811 if (!ValidList.empty())
812 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
813 return nullptr;
814 }
815
816 // Check the TuneCPU name if specified.
817 if (!Opts->TuneCPU.empty() &&
818 !Target->isValidTuneCPUName(Opts->TuneCPU)) {
819 Diags.Report(diag::err_target_unknown_cpu) << Opts->TuneCPU;
820 SmallVector<StringRef, 32> ValidList;
821 Target->fillValidTuneCPUList(ValidList);
822 if (!ValidList.empty())
823 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", ");
824 return nullptr;
825 }
826
827 // Set the target ABI if specified.
828 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) {
829 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI;
830 return nullptr;
831 }
832
833 // Set the fp math unit.
834 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) {
835 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath;
836 return nullptr;
837 }
838
839 // Compute the default target features, we need the target to handle this
840 // because features may have dependencies on one another.
841 llvm::erase_if(Opts->FeaturesAsWritten, [&](StringRef Name) {
842 if (Target->isReadOnlyFeature(Name.substr(1))) {
843 Diags.Report(diag::warn_fe_backend_readonly_feature_flag) << Name;
844 return true;
845 }
846 return false;
847 });
848 if (!Target->initFeatureMap(Opts->FeatureMap, Diags, Opts->CPU,
849 Opts->FeaturesAsWritten))
850 return nullptr;
851
852 // Add the features to the compile options.
853 Opts->Features.clear();
854 for (const auto &F : Opts->FeatureMap)
855 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
856 // Sort here, so we handle the features in a predictable order. (This matters
857 // when we're dealing with features that overlap.)
858 llvm::sort(Opts->Features);
859
860 if (!Target->handleTargetFeatures(Opts->Features, Diags))
861 return nullptr;
862
863 Target->setSupportedOpenCLOpts();
864 Target->setCommandLineOpenCLOpts();
865 Target->setMaxAtomicWidth();
866
867 if (!Opts->DarwinTargetVariantTriple.empty())
868 Target->DarwinTargetVariantTriple =
869 llvm::Triple(Opts->DarwinTargetVariantTriple);
870
871 if (!Target->validateTarget(Diags))
872 return nullptr;
873
874 Target->CheckFixedPointBits();
875
876 return Target.release();
877}
878/// validateOpenCLTarget - Check that OpenCL target has valid
879/// options setting based on OpenCL version.
880bool TargetInfo::validateOpenCLTarget(const LangOptions &Opts,
881 DiagnosticsEngine &Diags) const {
882 const llvm::StringMap<bool> &OpenCLFeaturesMap = getSupportedOpenCLOpts();
883
884 auto diagnoseNotSupportedCore = [&](llvm::StringRef Name, auto... OptArgs) {
885 if (OpenCLOptions::isOpenCLOptionCoreIn(Opts, OptArgs...) &&
886 !hasFeatureEnabled(OpenCLFeaturesMap, Name))
887 Diags.Report(diag::warn_opencl_unsupported_core_feature)
888 << Name << Opts.OpenCLCPlusPlus
889 << Opts.getOpenCLVersionTuple().getAsString();
890 };
891#define OPENCL_GENERIC_EXTENSION(Ext, ...) \
892 diagnoseNotSupportedCore(#Ext, __VA_ARGS__);
893#include "clang/Basic/OpenCLExtensions.def"
894
895 // Validate that feature macros are set properly for OpenCL C 3.0.
896 // In other cases assume that target is always valid.
897 if (Opts.getOpenCLCompatibleVersion() < 300)
898 return true;
899
900 return OpenCLOptions::diagnoseUnsupportedFeatureDependencies(*this, Diags) &&
901 OpenCLOptions::diagnoseFeatureExtensionDifferences(*this, Diags);
902}
Diagnostic.h
Defines the Diagnostic-related interfaces.
clang::DiagnosticsEngine
Concrete class used by the front-end to report problems and issues.
Definition Diagnostic.h:232
clang::DiagnosticsEngine::Report
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition Diagnostic.h:1546
clang::LangOptions
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition LangOptions.h:435
clang::LangOptions::getOpenCLVersionTuple
VersionTuple getOpenCLVersionTuple() const
Return the OpenCL C or C++ version as a VersionTuple.
Definition LangOptions.cpp:59
clang::LangOptions::getOpenCLCompatibleVersion
unsigned getOpenCLCompatibleVersion() const
Return the OpenCL version that kernel language is compatible with.
Definition LangOptions.cpp:66
clang::OpenCLOptions::diagnoseUnsupportedFeatureDependencies
static bool diagnoseUnsupportedFeatureDependencies(const TargetInfo &TI, DiagnosticsEngine &Diags)
Definition OpenCLOptions.cpp:122
clang::OpenCLOptions::diagnoseFeatureExtensionDifferences
static bool diagnoseFeatureExtensionDifferences(const TargetInfo &TI, DiagnosticsEngine &Diags)
Definition OpenCLOptions.cpp:139
clang::OpenCLOptions::isOpenCLOptionCoreIn
static bool isOpenCLOptionCoreIn(const LangOptions &LO, Args &&... args)
Definition OpenCLOptions.h:190
clang::TargetInfo::TargetInfo
TargetInfo(const llvm::Triple &T)
Definition TargetInfo.cpp:59
clang::TargetInfo::CreateTargetInfo
static TargetInfo * CreateTargetInfo(DiagnosticsEngine &Diags, TargetOptions &Opts)
Construct a target for the given options.
Definition Targets.cpp:792
clang::TargetInfo::hasFeatureEnabled
virtual bool hasFeatureEnabled(const llvm::StringMap< bool > &Features, StringRef Name) const
Check if target has a given feature enabled.
Definition TargetInfo.h:1440
clang::TargetInfo::validateOpenCLTarget
virtual bool validateOpenCLTarget(const LangOptions &Opts, DiagnosticsEngine &Diags) const
Check that OpenCL target has valid options setting based on OpenCL version.
Definition Targets.cpp:880
clang::TargetInfo::getSupportedOpenCLOpts
llvm::StringMap< bool > & getSupportedOpenCLOpts()
Get supported OpenCL extensions and optional core features.
Definition TargetInfo.h:1849
clang::TargetOptions
Options for controlling the target.
Definition TargetOptions.h:26
clang::TargetOptions::Triple
std::string Triple
The name of the target triple to compile for.
Definition TargetOptions.h:29
clang::TargetOptions::Features
std::vector< std::string > Features
The list of target specific features to enable or disable – this should be a list of strings starting...
Definition TargetOptions.h:58
clang::TargetOptions::ABI
std::string ABI
If given, the name of the target ABI to use.
Definition TargetOptions.h:45
clang::TargetOptions::TuneCPU
std::string TuneCPU
If given, the name of the target CPU to tune code for.
Definition TargetOptions.h:39
clang::TargetOptions::CPU
std::string CPU
If given, the name of the target CPU to generate code for.
Definition TargetOptions.h:36
clang::TargetOptions::FPMath
std::string FPMath
If given, the unit to use for floating point math.
Definition TargetOptions.h:42
clang::TargetOptions::FeaturesAsWritten
std::vector< std::string > FeaturesAsWritten
The list of target specific features to enable or disable, as written on the command line.
Definition TargetOptions.h:54
clang::targets::defineCPUMacros
LLVM_LIBRARY_VISIBILITY void defineCPUMacros(clang::MacroBuilder &Builder, llvm::StringRef CPUName, bool Tuning=true)
clang::targets::addCygMingDefines
LLVM_LIBRARY_VISIBILITY void addCygMingDefines(const clang::LangOptions &Opts, clang::MacroBuilder &Builder)
Definition Targets.cpp:82
clang::targets::DefineStd
LLVM_LIBRARY_VISIBILITY void DefineStd(clang::MacroBuilder &Builder, llvm::StringRef MacroName, const clang::LangOptions &Opts)
Define a macro name and standard variants.
clang::targets::AllocateTarget
std::unique_ptr< clang::TargetInfo > AllocateTarget(const llvm::Triple &Triple, const clang::TargetOptions &Opts)
Definition Targets.cpp:111
clang
The JSON file list parser is used to communicate input to InstallAPI.
Definition CalledOnceCheck.h:17
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