1 //===--- Targets.cpp - Implement target feature support -------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file implements construction of a TargetInfo object from a 11 // target triple. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "Targets.h" 16 17 #include "Targets/AArch64.h" 18 #include "Targets/AMDGPU.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/Nios2.h" 29 #include "Targets/OSTargets.h" 30 #include "Targets/PNaCl.h" 31 #include "Targets/PPC.h" 32 #include "Targets/RISCV.h" 33 #include "Targets/SPIR.h" 34 #include "Targets/Sparc.h" 35 #include "Targets/SystemZ.h" 36 #include "Targets/TCE.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/Triple.h" 42 43 using namespace clang; 44 45 namespace clang { 46 namespace 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. 54 void 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 70 void 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 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"); 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 void addMinGWDefines(const llvm::Triple &Triple, const LangOptions &Opts, 102 MacroBuilder &Builder) { 103 DefineStd(Builder, "WIN32", Opts); 104 DefineStd(Builder, "WINNT", Opts); 105 if (Triple.isArch64Bit()) { 106 DefineStd(Builder, "WIN64", Opts); 107 Builder.defineMacro("__MINGW64__"); 108 } 109 Builder.defineMacro("__MSVCRT__"); 110 Builder.defineMacro("__MINGW32__"); 111 addCygMingDefines(Opts, Builder); 112 } 113 114 //===----------------------------------------------------------------------===// 115 // Driver code 116 //===----------------------------------------------------------------------===// 117 118 TargetInfo *AllocateTarget(const llvm::Triple &Triple, 119 const TargetOptions &Opts) { 120 llvm::Triple::OSType os = Triple.getOS(); 121 122 switch (Triple.getArch()) { 123 default: 124 return nullptr; 125 126 case llvm::Triple::xcore: 127 return new XCoreTargetInfo(Triple, Opts); 128 129 case llvm::Triple::hexagon: 130 return new HexagonTargetInfo(Triple, Opts); 131 132 case llvm::Triple::lanai: 133 return new LanaiTargetInfo(Triple, Opts); 134 135 case llvm::Triple::aarch64: 136 if (Triple.isOSDarwin()) 137 return new DarwinAArch64TargetInfo(Triple, Opts); 138 139 switch (os) { 140 case llvm::Triple::CloudABI: 141 return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts); 142 case llvm::Triple::FreeBSD: 143 return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts); 144 case llvm::Triple::Fuchsia: 145 return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts); 146 case llvm::Triple::Linux: 147 return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts); 148 case llvm::Triple::NetBSD: 149 return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts); 150 case llvm::Triple::OpenBSD: 151 return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts); 152 case llvm::Triple::Win32: 153 switch (Triple.getEnvironment()) { 154 case llvm::Triple::GNU: 155 return new MinGWARM64TargetInfo(Triple, Opts); 156 case llvm::Triple::MSVC: 157 default: // Assume MSVC for unknown environments 158 return new MicrosoftARM64TargetInfo(Triple, Opts); 159 } 160 default: 161 return new AArch64leTargetInfo(Triple, Opts); 162 } 163 164 case llvm::Triple::aarch64_be: 165 switch (os) { 166 case llvm::Triple::FreeBSD: 167 return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts); 168 case llvm::Triple::Fuchsia: 169 return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts); 170 case llvm::Triple::Linux: 171 return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts); 172 case llvm::Triple::NetBSD: 173 return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts); 174 default: 175 return new AArch64beTargetInfo(Triple, Opts); 176 } 177 178 case llvm::Triple::arm: 179 case llvm::Triple::thumb: 180 if (Triple.isOSBinFormatMachO()) 181 return new DarwinARMTargetInfo(Triple, Opts); 182 183 switch (os) { 184 case llvm::Triple::CloudABI: 185 return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts); 186 case llvm::Triple::Linux: 187 return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts); 188 case llvm::Triple::FreeBSD: 189 return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts); 190 case llvm::Triple::NetBSD: 191 return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts); 192 case llvm::Triple::OpenBSD: 193 return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts); 194 case llvm::Triple::RTEMS: 195 return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts); 196 case llvm::Triple::NaCl: 197 return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts); 198 case llvm::Triple::Win32: 199 switch (Triple.getEnvironment()) { 200 case llvm::Triple::Cygnus: 201 return new CygwinARMTargetInfo(Triple, Opts); 202 case llvm::Triple::GNU: 203 return new MinGWARMTargetInfo(Triple, Opts); 204 case llvm::Triple::Itanium: 205 return new ItaniumWindowsARMleTargetInfo(Triple, Opts); 206 case llvm::Triple::MSVC: 207 default: // Assume MSVC for unknown environments 208 return new MicrosoftARMleTargetInfo(Triple, Opts); 209 } 210 default: 211 return new ARMleTargetInfo(Triple, Opts); 212 } 213 214 case llvm::Triple::armeb: 215 case llvm::Triple::thumbeb: 216 if (Triple.isOSDarwin()) 217 return new DarwinARMTargetInfo(Triple, Opts); 218 219 switch (os) { 220 case llvm::Triple::Linux: 221 return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts); 222 case llvm::Triple::FreeBSD: 223 return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts); 224 case llvm::Triple::NetBSD: 225 return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts); 226 case llvm::Triple::OpenBSD: 227 return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts); 228 case llvm::Triple::RTEMS: 229 return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts); 230 case llvm::Triple::NaCl: 231 return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts); 232 default: 233 return new ARMbeTargetInfo(Triple, Opts); 234 } 235 236 case llvm::Triple::avr: 237 return new AVRTargetInfo(Triple, Opts); 238 case llvm::Triple::bpfeb: 239 case llvm::Triple::bpfel: 240 return new BPFTargetInfo(Triple, Opts); 241 242 case llvm::Triple::msp430: 243 return new MSP430TargetInfo(Triple, Opts); 244 245 case llvm::Triple::nios2: 246 return new LinuxTargetInfo<Nios2TargetInfo>(Triple, Opts); 247 248 case llvm::Triple::mips: 249 switch (os) { 250 case llvm::Triple::Linux: 251 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 252 case llvm::Triple::RTEMS: 253 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 254 case llvm::Triple::FreeBSD: 255 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 256 case llvm::Triple::NetBSD: 257 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 258 default: 259 return new MipsTargetInfo(Triple, Opts); 260 } 261 262 case llvm::Triple::mipsel: 263 switch (os) { 264 case llvm::Triple::Linux: 265 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 266 case llvm::Triple::RTEMS: 267 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 268 case llvm::Triple::FreeBSD: 269 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 270 case llvm::Triple::NetBSD: 271 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 272 case llvm::Triple::NaCl: 273 return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts); 274 default: 275 return new MipsTargetInfo(Triple, Opts); 276 } 277 278 case llvm::Triple::mips64: 279 switch (os) { 280 case llvm::Triple::Linux: 281 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 282 case llvm::Triple::RTEMS: 283 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 284 case llvm::Triple::FreeBSD: 285 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 286 case llvm::Triple::NetBSD: 287 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 288 case llvm::Triple::OpenBSD: 289 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 290 default: 291 return new MipsTargetInfo(Triple, Opts); 292 } 293 294 case llvm::Triple::mips64el: 295 switch (os) { 296 case llvm::Triple::Linux: 297 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 298 case llvm::Triple::RTEMS: 299 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 300 case llvm::Triple::FreeBSD: 301 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 302 case llvm::Triple::NetBSD: 303 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 304 case llvm::Triple::OpenBSD: 305 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 306 default: 307 return new MipsTargetInfo(Triple, Opts); 308 } 309 310 case llvm::Triple::le32: 311 switch (os) { 312 case llvm::Triple::NaCl: 313 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts); 314 default: 315 return nullptr; 316 } 317 318 case llvm::Triple::le64: 319 return new Le64TargetInfo(Triple, Opts); 320 321 case llvm::Triple::ppc: 322 if (Triple.isOSDarwin()) 323 return new DarwinPPC32TargetInfo(Triple, Opts); 324 switch (os) { 325 case llvm::Triple::Linux: 326 return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts); 327 case llvm::Triple::FreeBSD: 328 return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts); 329 case llvm::Triple::NetBSD: 330 return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts); 331 case llvm::Triple::OpenBSD: 332 return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts); 333 case llvm::Triple::RTEMS: 334 return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts); 335 default: 336 return new PPC32TargetInfo(Triple, Opts); 337 } 338 339 case llvm::Triple::ppc64: 340 if (Triple.isOSDarwin()) 341 return new DarwinPPC64TargetInfo(Triple, Opts); 342 switch (os) { 343 case llvm::Triple::Linux: 344 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts); 345 case llvm::Triple::Lv2: 346 return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts); 347 case llvm::Triple::FreeBSD: 348 return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 349 case llvm::Triple::NetBSD: 350 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 351 default: 352 return new PPC64TargetInfo(Triple, Opts); 353 } 354 355 case llvm::Triple::ppc64le: 356 switch (os) { 357 case llvm::Triple::Linux: 358 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts); 359 case llvm::Triple::NetBSD: 360 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 361 default: 362 return new PPC64TargetInfo(Triple, Opts); 363 } 364 365 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); 369 370 case llvm::Triple::amdgcn: 371 case llvm::Triple::r600: 372 return new AMDGPUTargetInfo(Triple, Opts); 373 374 case llvm::Triple::riscv32: 375 // TODO: add cases for FreeBSD, NetBSD, RTEMS once tested. 376 if (os == llvm::Triple::Linux) 377 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts); 378 return new RISCV32TargetInfo(Triple, Opts); 379 case llvm::Triple::riscv64: 380 // TODO: add cases for FreeBSD, NetBSD, RTEMS once tested. 381 if (os == llvm::Triple::Linux) 382 return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts); 383 return new RISCV64TargetInfo(Triple, Opts); 384 385 case llvm::Triple::sparc: 386 switch (os) { 387 case llvm::Triple::Linux: 388 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts); 389 case llvm::Triple::Solaris: 390 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts); 391 case llvm::Triple::NetBSD: 392 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts); 393 case llvm::Triple::OpenBSD: 394 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts); 395 case llvm::Triple::RTEMS: 396 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts); 397 default: 398 return new SparcV8TargetInfo(Triple, Opts); 399 } 400 401 // The 'sparcel' architecture copies all the above cases except for Solaris. 402 case llvm::Triple::sparcel: 403 switch (os) { 404 case llvm::Triple::Linux: 405 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 406 case llvm::Triple::NetBSD: 407 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 408 case llvm::Triple::OpenBSD: 409 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 410 case llvm::Triple::RTEMS: 411 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 412 default: 413 return new SparcV8elTargetInfo(Triple, Opts); 414 } 415 416 case llvm::Triple::sparcv9: 417 switch (os) { 418 case llvm::Triple::Linux: 419 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts); 420 case llvm::Triple::Solaris: 421 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts); 422 case llvm::Triple::NetBSD: 423 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 424 case llvm::Triple::OpenBSD: 425 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 426 case llvm::Triple::FreeBSD: 427 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 428 default: 429 return new SparcV9TargetInfo(Triple, Opts); 430 } 431 432 case llvm::Triple::systemz: 433 switch (os) { 434 case llvm::Triple::Linux: 435 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts); 436 default: 437 return new SystemZTargetInfo(Triple, Opts); 438 } 439 440 case llvm::Triple::tce: 441 return new TCETargetInfo(Triple, Opts); 442 443 case llvm::Triple::tcele: 444 return new TCELETargetInfo(Triple, Opts); 445 446 case llvm::Triple::x86: 447 if (Triple.isOSDarwin()) 448 return new DarwinI386TargetInfo(Triple, Opts); 449 450 switch (os) { 451 case llvm::Triple::Ananas: 452 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts); 453 case llvm::Triple::CloudABI: 454 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts); 455 case llvm::Triple::Linux: { 456 switch (Triple.getEnvironment()) { 457 default: 458 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts); 459 case llvm::Triple::Android: 460 return new AndroidX86_32TargetInfo(Triple, Opts); 461 } 462 } 463 case llvm::Triple::DragonFly: 464 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 465 case llvm::Triple::NetBSD: 466 return new NetBSDI386TargetInfo(Triple, Opts); 467 case llvm::Triple::OpenBSD: 468 return new OpenBSDI386TargetInfo(Triple, Opts); 469 case llvm::Triple::FreeBSD: 470 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 471 case llvm::Triple::KFreeBSD: 472 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 473 case llvm::Triple::Minix: 474 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts); 475 case llvm::Triple::Solaris: 476 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts); 477 case llvm::Triple::Win32: { 478 switch (Triple.getEnvironment()) { 479 case llvm::Triple::Cygnus: 480 return new CygwinX86_32TargetInfo(Triple, Opts); 481 case llvm::Triple::GNU: 482 return new MinGWX86_32TargetInfo(Triple, Opts); 483 case llvm::Triple::Itanium: 484 case llvm::Triple::MSVC: 485 default: // Assume MSVC for unknown environments 486 return new MicrosoftX86_32TargetInfo(Triple, Opts); 487 } 488 } 489 case llvm::Triple::Haiku: 490 return new HaikuX86_32TargetInfo(Triple, Opts); 491 case llvm::Triple::RTEMS: 492 return new RTEMSX86_32TargetInfo(Triple, Opts); 493 case llvm::Triple::NaCl: 494 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts); 495 case llvm::Triple::ELFIAMCU: 496 return new MCUX86_32TargetInfo(Triple, Opts); 497 default: 498 return new X86_32TargetInfo(Triple, Opts); 499 } 500 501 case llvm::Triple::x86_64: 502 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO()) 503 return new DarwinX86_64TargetInfo(Triple, Opts); 504 505 switch (os) { 506 case llvm::Triple::Ananas: 507 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts); 508 case llvm::Triple::CloudABI: 509 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts); 510 case llvm::Triple::Linux: { 511 switch (Triple.getEnvironment()) { 512 default: 513 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts); 514 case llvm::Triple::Android: 515 return new AndroidX86_64TargetInfo(Triple, Opts); 516 } 517 } 518 case llvm::Triple::DragonFly: 519 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 520 case llvm::Triple::NetBSD: 521 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 522 case llvm::Triple::OpenBSD: 523 return new OpenBSDX86_64TargetInfo(Triple, Opts); 524 case llvm::Triple::FreeBSD: 525 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 526 case llvm::Triple::Fuchsia: 527 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts); 528 case llvm::Triple::KFreeBSD: 529 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 530 case llvm::Triple::Solaris: 531 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts); 532 case llvm::Triple::Win32: { 533 switch (Triple.getEnvironment()) { 534 case llvm::Triple::Cygnus: 535 return new CygwinX86_64TargetInfo(Triple, Opts); 536 case llvm::Triple::GNU: 537 return new MinGWX86_64TargetInfo(Triple, Opts); 538 case llvm::Triple::MSVC: 539 default: // Assume MSVC for unknown environments 540 return new MicrosoftX86_64TargetInfo(Triple, Opts); 541 } 542 } 543 case llvm::Triple::Haiku: 544 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts); 545 case llvm::Triple::NaCl: 546 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts); 547 case llvm::Triple::PS4: 548 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts); 549 default: 550 return new X86_64TargetInfo(Triple, Opts); 551 } 552 553 case llvm::Triple::spir: { 554 if (Triple.getOS() != llvm::Triple::UnknownOS || 555 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 556 return nullptr; 557 return new SPIR32TargetInfo(Triple, Opts); 558 } 559 case llvm::Triple::spir64: { 560 if (Triple.getOS() != llvm::Triple::UnknownOS || 561 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 562 return nullptr; 563 return new SPIR64TargetInfo(Triple, Opts); 564 } 565 case llvm::Triple::wasm32: 566 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 567 Triple.getVendor() != llvm::Triple::UnknownVendor || 568 Triple.getOS() != llvm::Triple::UnknownOS || 569 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment || 570 !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm())) 571 return nullptr; 572 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts); 573 case llvm::Triple::wasm64: 574 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 575 Triple.getVendor() != llvm::Triple::UnknownVendor || 576 Triple.getOS() != llvm::Triple::UnknownOS || 577 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment || 578 !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm())) 579 return nullptr; 580 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts); 581 582 case llvm::Triple::renderscript32: 583 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts); 584 case llvm::Triple::renderscript64: 585 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts); 586 } 587 } 588 } // namespace targets 589 } // namespace clang 590 591 using namespace clang::targets; 592 /// CreateTargetInfo - Return the target info object for the specified target 593 /// options. 594 TargetInfo * 595 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags, 596 const std::shared_ptr<TargetOptions> &Opts) { 597 llvm::Triple Triple(Opts->Triple); 598 599 // Construct the target 600 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts)); 601 if (!Target) { 602 Diags.Report(diag::err_target_unknown_triple) << Triple.str(); 603 return nullptr; 604 } 605 Target->TargetOpts = Opts; 606 607 // Set the target CPU if specified. 608 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) { 609 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU; 610 return nullptr; 611 } 612 613 // Set the target ABI if specified. 614 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) { 615 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI; 616 return nullptr; 617 } 618 619 // Set the fp math unit. 620 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) { 621 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath; 622 return nullptr; 623 } 624 625 // Compute the default target features, we need the target to handle this 626 // because features may have dependencies on one another. 627 llvm::StringMap<bool> Features; 628 if (!Target->initFeatureMap(Features, Diags, Opts->CPU, 629 Opts->FeaturesAsWritten)) 630 return nullptr; 631 632 // Add the features to the compile options. 633 Opts->Features.clear(); 634 for (const auto &F : Features) 635 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str()); 636 637 if (!Target->handleTargetFeatures(Opts->Features, Diags)) 638 return nullptr; 639 640 Target->setSupportedOpenCLOpts(); 641 Target->setOpenCLExtensionOpts(); 642 Target->setMaxAtomicWidth(); 643 644 if (!Target->validateTarget(Diags)) 645 return nullptr; 646 647 return Target.release(); 648 } 649