Targets.cpp revision 360784
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/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" 42 43using namespace clang; 44 45namespace clang { 46namespace targets { 47//===----------------------------------------------------------------------===// 48// Common code shared among targets. 49//===----------------------------------------------------------------------===// 50 51/// DefineStd - Define a macro name and standard variants. For example if 52/// MacroName is "unix", then this will define "__unix", "__unix__", and "unix" 53/// when in GNU mode. 54void DefineStd(MacroBuilder &Builder, StringRef MacroName, 55 const LangOptions &Opts) { 56 assert(MacroName[0] != '_' && "Identifier should be in the user's namespace"); 57 58 // If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier 59 // in the user's namespace. 60 if (Opts.GNUMode) 61 Builder.defineMacro(MacroName); 62 63 // Define __unix. 64 Builder.defineMacro("__" + MacroName); 65 66 // Define __unix__. 67 Builder.defineMacro("__" + MacroName + "__"); 68} 69 70void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, bool Tuning) { 71 Builder.defineMacro("__" + CPUName); 72 Builder.defineMacro("__" + CPUName + "__"); 73 if (Tuning) 74 Builder.defineMacro("__tune_" + CPUName + "__"); 75} 76 77void 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"); 83 else 84 Builder.defineMacro("__declspec(a)", "__attribute__((a))"); 85 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__((__"; 93 GCCSpelling += CC; 94 GCCSpelling += "__))"; 95 Builder.defineMacro(Twine("_") + CC, GCCSpelling); 96 Builder.defineMacro(Twine("__") + CC, GCCSpelling); 97 } 98 } 99} 100 101//===----------------------------------------------------------------------===// 102// Driver code 103//===----------------------------------------------------------------------===// 104 105TargetInfo *AllocateTarget(const llvm::Triple &Triple, 106 const TargetOptions &Opts) { 107 llvm::Triple::OSType os = Triple.getOS(); 108 109 switch (Triple.getArch()) { 110 default: 111 return nullptr; 112 113 case llvm::Triple::arc: 114 return new ARCTargetInfo(Triple, Opts); 115 116 case llvm::Triple::xcore: 117 return new XCoreTargetInfo(Triple, Opts); 118 119 case llvm::Triple::hexagon: 120 return new HexagonTargetInfo(Triple, Opts); 121 122 case llvm::Triple::lanai: 123 return new LanaiTargetInfo(Triple, Opts); 124 125 case llvm::Triple::aarch64_32: 126 if (Triple.isOSDarwin()) 127 return new DarwinAArch64TargetInfo(Triple, Opts); 128 129 return nullptr; 130 case llvm::Triple::aarch64: 131 if (Triple.isOSDarwin()) 132 return new DarwinAArch64TargetInfo(Triple, Opts); 133 134 switch (os) { 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); 154 } 155 default: 156 return new AArch64leTargetInfo(Triple, Opts); 157 } 158 159 case llvm::Triple::aarch64_be: 160 switch (os) { 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); 169 default: 170 return new AArch64beTargetInfo(Triple, Opts); 171 } 172 173 case llvm::Triple::arm: 174 case llvm::Triple::thumb: 175 if (Triple.isOSBinFormatMachO()) 176 return new DarwinARMTargetInfo(Triple, Opts); 177 178 switch (os) { 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); 204 } 205 default: 206 return new ARMleTargetInfo(Triple, Opts); 207 } 208 209 case llvm::Triple::armeb: 210 case llvm::Triple::thumbeb: 211 if (Triple.isOSDarwin()) 212 return new DarwinARMTargetInfo(Triple, Opts); 213 214 switch (os) { 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); 227 default: 228 return new ARMbeTargetInfo(Triple, Opts); 229 } 230 231 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); 236 237 case llvm::Triple::msp430: 238 return new MSP430TargetInfo(Triple, Opts); 239 240 case llvm::Triple::mips: 241 switch (os) { 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); 250 default: 251 return new MipsTargetInfo(Triple, Opts); 252 } 253 254 case llvm::Triple::mipsel: 255 switch (os) { 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); 266 default: 267 return new MipsTargetInfo(Triple, Opts); 268 } 269 270 case llvm::Triple::mips64: 271 switch (os) { 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); 282 default: 283 return new MipsTargetInfo(Triple, Opts); 284 } 285 286 case llvm::Triple::mips64el: 287 switch (os) { 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); 298 default: 299 return new MipsTargetInfo(Triple, Opts); 300 } 301 302 case llvm::Triple::le32: 303 switch (os) { 304 case llvm::Triple::NaCl: 305 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts); 306 default: 307 return nullptr; 308 } 309 310 case llvm::Triple::le64: 311 return new Le64TargetInfo(Triple, Opts); 312 313 case llvm::Triple::ppc: 314 if (Triple.isOSDarwin()) 315 return new DarwinPPC32TargetInfo(Triple, Opts); 316 switch (os) { 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); 329 default: 330 return new PPC32TargetInfo(Triple, Opts); 331 } 332 333 case llvm::Triple::ppc64: 334 if (Triple.isOSDarwin()) 335 return new DarwinPPC64TargetInfo(Triple, Opts); 336 switch (os) { 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); 347 default: 348 return new PPC64TargetInfo(Triple, Opts); 349 } 350 351 case llvm::Triple::ppc64le: 352 switch (os) { 353 case llvm::Triple::Linux: 354 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts); 355 case llvm::Triple::NetBSD: 356 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 357 default: 358 return new PPC64TargetInfo(Triple, Opts); 359 } 360 361 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); 365 366 case llvm::Triple::amdgcn: 367 case llvm::Triple::r600: 368 return new AMDGPUTargetInfo(Triple, Opts); 369 370 case llvm::Triple::riscv32: 371 // TODO: add cases for NetBSD, RTEMS once tested. 372 switch (os) { 373 case llvm::Triple::FreeBSD: 374 return new FreeBSDTargetInfo<RISCV32TargetInfo>(Triple, Opts); 375 case llvm::Triple::Linux: 376 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts); 377 default: 378 return new RISCV32TargetInfo(Triple, Opts); 379 } 380 381 case llvm::Triple::riscv64: 382 // TODO: add cases for NetBSD, RTEMS once tested. 383 switch (os) { 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); 390 default: 391 return new RISCV64TargetInfo(Triple, Opts); 392 } 393 394 case llvm::Triple::sparc: 395 switch (os) { 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); 406 default: 407 return new SparcV8TargetInfo(Triple, Opts); 408 } 409 410 // The 'sparcel' architecture copies all the above cases except for Solaris. 411 case llvm::Triple::sparcel: 412 switch (os) { 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); 421 default: 422 return new SparcV8elTargetInfo(Triple, Opts); 423 } 424 425 case llvm::Triple::sparcv9: 426 switch (os) { 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); 437 default: 438 return new SparcV9TargetInfo(Triple, Opts); 439 } 440 441 case llvm::Triple::systemz: 442 switch (os) { 443 case llvm::Triple::Linux: 444 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts); 445 default: 446 return new SystemZTargetInfo(Triple, Opts); 447 } 448 449 case llvm::Triple::tce: 450 return new TCETargetInfo(Triple, Opts); 451 452 case llvm::Triple::tcele: 453 return new TCELETargetInfo(Triple, Opts); 454 455 case llvm::Triple::x86: 456 if (Triple.isOSDarwin()) 457 return new DarwinI386TargetInfo(Triple, Opts); 458 459 switch (os) { 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()) { 466 default: 467 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts); 468 case llvm::Triple::Android: 469 return new AndroidX86_32TargetInfo(Triple, Opts); 470 } 471 } 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); 496 } 497 } 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); 508 default: 509 return new X86_32TargetInfo(Triple, Opts); 510 } 511 512 case llvm::Triple::x86_64: 513 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO()) 514 return new DarwinX86_64TargetInfo(Triple, Opts); 515 516 switch (os) { 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()) { 523 default: 524 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts); 525 case llvm::Triple::Android: 526 return new AndroidX86_64TargetInfo(Triple, Opts); 527 } 528 } 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); 552 } 553 } 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); 560 default: 561 return new X86_64TargetInfo(Triple, Opts); 562 } 563 564 case llvm::Triple::spir: { 565 if (Triple.getOS() != llvm::Triple::UnknownOS || 566 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 567 return nullptr; 568 return new SPIR32TargetInfo(Triple, Opts); 569 } 570 case llvm::Triple::spir64: { 571 if (Triple.getOS() != llvm::Triple::UnknownOS || 572 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 573 return nullptr; 574 return new SPIR64TargetInfo(Triple, Opts); 575 } 576 case llvm::Triple::wasm32: 577 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 578 Triple.getVendor() != llvm::Triple::UnknownVendor || 579 !Triple.isOSBinFormatWasm()) 580 return nullptr; 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); 588 default: 589 return nullptr; 590 } 591 case llvm::Triple::wasm64: 592 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 593 Triple.getVendor() != llvm::Triple::UnknownVendor || 594 !Triple.isOSBinFormatWasm()) 595 return nullptr; 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); 603 default: 604 return nullptr; 605 } 606 607 case llvm::Triple::renderscript32: 608 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts); 609 case llvm::Triple::renderscript64: 610 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts); 611 } 612} 613} // namespace targets 614} // namespace clang 615 616using namespace clang::targets; 617/// CreateTargetInfo - Return the target info object for the specified target 618/// options. 619TargetInfo * 620TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags, 621 const std::shared_ptr<TargetOptions> &Opts) { 622 llvm::Triple Triple(Opts->Triple); 623 624 // Construct the target 625 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts)); 626 if (!Target) { 627 Diags.Report(diag::err_target_unknown_triple) << Triple.str(); 628 return nullptr; 629 } 630 Target->TargetOpts = Opts; 631 632 // 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, ", "); 639 return nullptr; 640 } 641 642 // 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; 645 return nullptr; 646 } 647 648 // Set the fp math unit. 649 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) { 650 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath; 651 return nullptr; 652 } 653 654 // 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)) 659 return nullptr; 660 661 // 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); 668 669 if (!Target->handleTargetFeatures(Opts->Features, Diags)) 670 return nullptr; 671 672 Target->setSupportedOpenCLOpts(); 673 Target->setOpenCLExtensionOpts(); 674 Target->setMaxAtomicWidth(); 675 676 if (!Target->validateTarget(Diags)) 677 return nullptr; 678 679 Target->CheckFixedPointBits(); 680 681 return Target.release(); 682} 683