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/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/Triple.h" 41 42 using namespace clang; 43 44 namespace clang { 45 namespace targets { 46 //===----------------------------------------------------------------------===// 47 // Common code shared among targets. 48 //===----------------------------------------------------------------------===// 49 50 /// DefineStd - Define a macro name and standard variants. For example if 51 /// MacroName is "unix", then this will define "__unix", "__unix__", and "unix" 52 /// when in GNU mode. 53 void DefineStd(MacroBuilder &Builder, StringRef MacroName, 54 const LangOptions &Opts) { 55 assert(MacroName[0] != '_' && "Identifier should be in the user's namespace"); 56 57 // If in GNU mode (e.g. -std=gnu99 but not -std=c99) define the raw identifier 58 // in the user's namespace. 59 if (Opts.GNUMode) 60 Builder.defineMacro(MacroName); 61 62 // Define __unix. 63 Builder.defineMacro("__" + MacroName); 64 65 // Define __unix__. 66 Builder.defineMacro("__" + MacroName + "__"); 67 } 68 69 void defineCPUMacros(MacroBuilder &Builder, StringRef CPUName, bool Tuning) { 70 Builder.defineMacro("__" + CPUName); 71 Builder.defineMacro("__" + CPUName + "__"); 72 if (Tuning) 73 Builder.defineMacro("__tune_" + CPUName + "__"); 74 } 75 76 void addCygMingDefines(const LangOptions &Opts, MacroBuilder &Builder) { 77 // Mingw and cygwin define __declspec(a) to __attribute__((a)). Clang 78 // supports __declspec natively under -fms-extensions, but we define a no-op 79 // __declspec macro anyway for pre-processor compatibility. 80 if (Opts.MicrosoftExt) 81 Builder.defineMacro("__declspec", "__declspec"); 82 else 83 Builder.defineMacro("__declspec(a)", "__attribute__((a))"); 84 85 if (!Opts.MicrosoftExt) { 86 // Provide macros for all the calling convention keywords. Provide both 87 // single and double underscore prefixed variants. These are available on 88 // x64 as well as x86, even though they have no effect. 89 const char *CCs[] = {"cdecl", "stdcall", "fastcall", "thiscall", "pascal"}; 90 for (const char *CC : CCs) { 91 std::string GCCSpelling = "__attribute__((__"; 92 GCCSpelling += CC; 93 GCCSpelling += "__))"; 94 Builder.defineMacro(Twine("_") + CC, GCCSpelling); 95 Builder.defineMacro(Twine("__") + CC, GCCSpelling); 96 } 97 } 98 } 99 100 void addMinGWDefines(const LangOptions &Opts, MacroBuilder &Builder) { 101 Builder.defineMacro("__MSVCRT__"); 102 Builder.defineMacro("__MINGW32__"); 103 addCygMingDefines(Opts, Builder); 104 } 105 106 //===----------------------------------------------------------------------===// 107 // Driver code 108 //===----------------------------------------------------------------------===// 109 110 TargetInfo *AllocateTarget(const llvm::Triple &Triple, 111 const TargetOptions &Opts) { 112 llvm::Triple::OSType os = Triple.getOS(); 113 114 switch (Triple.getArch()) { 115 default: 116 return nullptr; 117 118 case llvm::Triple::xcore: 119 return new XCoreTargetInfo(Triple, Opts); 120 121 case llvm::Triple::hexagon: 122 return new HexagonTargetInfo(Triple, Opts); 123 124 case llvm::Triple::lanai: 125 return new LanaiTargetInfo(Triple, Opts); 126 127 case llvm::Triple::aarch64: 128 if (Triple.isOSDarwin()) 129 return new DarwinAArch64TargetInfo(Triple, Opts); 130 131 switch (os) { 132 case llvm::Triple::CloudABI: 133 return new CloudABITargetInfo<AArch64leTargetInfo>(Triple, Opts); 134 case llvm::Triple::FreeBSD: 135 return new FreeBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts); 136 case llvm::Triple::Fuchsia: 137 return new FuchsiaTargetInfo<AArch64leTargetInfo>(Triple, Opts); 138 case llvm::Triple::Linux: 139 return new LinuxTargetInfo<AArch64leTargetInfo>(Triple, Opts); 140 case llvm::Triple::NetBSD: 141 return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts); 142 case llvm::Triple::OpenBSD: 143 return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts); 144 case llvm::Triple::Win32: 145 return new MicrosoftARM64TargetInfo(Triple, Opts); 146 default: 147 return new AArch64leTargetInfo(Triple, Opts); 148 } 149 150 case llvm::Triple::aarch64_be: 151 switch (os) { 152 case llvm::Triple::FreeBSD: 153 return new FreeBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts); 154 case llvm::Triple::Fuchsia: 155 return new FuchsiaTargetInfo<AArch64beTargetInfo>(Triple, Opts); 156 case llvm::Triple::Linux: 157 return new LinuxTargetInfo<AArch64beTargetInfo>(Triple, Opts); 158 case llvm::Triple::NetBSD: 159 return new NetBSDTargetInfo<AArch64beTargetInfo>(Triple, Opts); 160 default: 161 return new AArch64beTargetInfo(Triple, Opts); 162 } 163 164 case llvm::Triple::arm: 165 case llvm::Triple::thumb: 166 if (Triple.isOSBinFormatMachO()) 167 return new DarwinARMTargetInfo(Triple, Opts); 168 169 switch (os) { 170 case llvm::Triple::CloudABI: 171 return new CloudABITargetInfo<ARMleTargetInfo>(Triple, Opts); 172 case llvm::Triple::Linux: 173 return new LinuxTargetInfo<ARMleTargetInfo>(Triple, Opts); 174 case llvm::Triple::FreeBSD: 175 return new FreeBSDTargetInfo<ARMleTargetInfo>(Triple, Opts); 176 case llvm::Triple::NetBSD: 177 return new NetBSDTargetInfo<ARMleTargetInfo>(Triple, Opts); 178 case llvm::Triple::OpenBSD: 179 return new OpenBSDTargetInfo<ARMleTargetInfo>(Triple, Opts); 180 case llvm::Triple::RTEMS: 181 return new RTEMSTargetInfo<ARMleTargetInfo>(Triple, Opts); 182 case llvm::Triple::NaCl: 183 return new NaClTargetInfo<ARMleTargetInfo>(Triple, Opts); 184 case llvm::Triple::Win32: 185 switch (Triple.getEnvironment()) { 186 case llvm::Triple::Cygnus: 187 return new CygwinARMTargetInfo(Triple, Opts); 188 case llvm::Triple::GNU: 189 return new MinGWARMTargetInfo(Triple, Opts); 190 case llvm::Triple::Itanium: 191 return new ItaniumWindowsARMleTargetInfo(Triple, Opts); 192 case llvm::Triple::MSVC: 193 default: // Assume MSVC for unknown environments 194 return new MicrosoftARMleTargetInfo(Triple, Opts); 195 } 196 default: 197 return new ARMleTargetInfo(Triple, Opts); 198 } 199 200 case llvm::Triple::armeb: 201 case llvm::Triple::thumbeb: 202 if (Triple.isOSDarwin()) 203 return new DarwinARMTargetInfo(Triple, Opts); 204 205 switch (os) { 206 case llvm::Triple::Linux: 207 return new LinuxTargetInfo<ARMbeTargetInfo>(Triple, Opts); 208 case llvm::Triple::FreeBSD: 209 return new FreeBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts); 210 case llvm::Triple::NetBSD: 211 return new NetBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts); 212 case llvm::Triple::OpenBSD: 213 return new OpenBSDTargetInfo<ARMbeTargetInfo>(Triple, Opts); 214 case llvm::Triple::RTEMS: 215 return new RTEMSTargetInfo<ARMbeTargetInfo>(Triple, Opts); 216 case llvm::Triple::NaCl: 217 return new NaClTargetInfo<ARMbeTargetInfo>(Triple, Opts); 218 default: 219 return new ARMbeTargetInfo(Triple, Opts); 220 } 221 222 case llvm::Triple::avr: 223 return new AVRTargetInfo(Triple, Opts); 224 case llvm::Triple::bpfeb: 225 case llvm::Triple::bpfel: 226 return new BPFTargetInfo(Triple, Opts); 227 228 case llvm::Triple::msp430: 229 return new MSP430TargetInfo(Triple, Opts); 230 231 case llvm::Triple::nios2: 232 return new LinuxTargetInfo<Nios2TargetInfo>(Triple, Opts); 233 234 case llvm::Triple::mips: 235 switch (os) { 236 case llvm::Triple::Linux: 237 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 238 case llvm::Triple::RTEMS: 239 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 240 case llvm::Triple::FreeBSD: 241 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 242 case llvm::Triple::NetBSD: 243 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 244 default: 245 return new MipsTargetInfo(Triple, Opts); 246 } 247 248 case llvm::Triple::mipsel: 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 case llvm::Triple::NaCl: 259 return new NaClTargetInfo<NaClMips32TargetInfo>(Triple, Opts); 260 default: 261 return new MipsTargetInfo(Triple, Opts); 262 } 263 264 case llvm::Triple::mips64: 265 switch (os) { 266 case llvm::Triple::Linux: 267 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 268 case llvm::Triple::RTEMS: 269 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 270 case llvm::Triple::FreeBSD: 271 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 272 case llvm::Triple::NetBSD: 273 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 274 case llvm::Triple::OpenBSD: 275 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 276 default: 277 return new MipsTargetInfo(Triple, Opts); 278 } 279 280 case llvm::Triple::mips64el: 281 switch (os) { 282 case llvm::Triple::Linux: 283 return new LinuxTargetInfo<MipsTargetInfo>(Triple, Opts); 284 case llvm::Triple::RTEMS: 285 return new RTEMSTargetInfo<MipsTargetInfo>(Triple, Opts); 286 case llvm::Triple::FreeBSD: 287 return new FreeBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 288 case llvm::Triple::NetBSD: 289 return new NetBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 290 case llvm::Triple::OpenBSD: 291 return new OpenBSDTargetInfo<MipsTargetInfo>(Triple, Opts); 292 default: 293 return new MipsTargetInfo(Triple, Opts); 294 } 295 296 case llvm::Triple::le32: 297 switch (os) { 298 case llvm::Triple::NaCl: 299 return new NaClTargetInfo<PNaClTargetInfo>(Triple, Opts); 300 default: 301 return nullptr; 302 } 303 304 case llvm::Triple::le64: 305 return new Le64TargetInfo(Triple, Opts); 306 307 case llvm::Triple::ppc: 308 if (Triple.isOSDarwin()) 309 return new DarwinPPC32TargetInfo(Triple, Opts); 310 switch (os) { 311 case llvm::Triple::Linux: 312 return new LinuxTargetInfo<PPC32TargetInfo>(Triple, Opts); 313 case llvm::Triple::FreeBSD: 314 return new FreeBSDTargetInfo<PPC32TargetInfo>(Triple, Opts); 315 case llvm::Triple::NetBSD: 316 return new NetBSDTargetInfo<PPC32TargetInfo>(Triple, Opts); 317 case llvm::Triple::OpenBSD: 318 return new OpenBSDTargetInfo<PPC32TargetInfo>(Triple, Opts); 319 case llvm::Triple::RTEMS: 320 return new RTEMSTargetInfo<PPC32TargetInfo>(Triple, Opts); 321 default: 322 return new PPC32TargetInfo(Triple, Opts); 323 } 324 325 case llvm::Triple::ppc64: 326 if (Triple.isOSDarwin()) 327 return new DarwinPPC64TargetInfo(Triple, Opts); 328 switch (os) { 329 case llvm::Triple::Linux: 330 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts); 331 case llvm::Triple::Lv2: 332 return new PS3PPUTargetInfo<PPC64TargetInfo>(Triple, Opts); 333 case llvm::Triple::FreeBSD: 334 return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 335 case llvm::Triple::NetBSD: 336 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 337 default: 338 return new PPC64TargetInfo(Triple, Opts); 339 } 340 341 case llvm::Triple::ppc64le: 342 switch (os) { 343 case llvm::Triple::Linux: 344 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts); 345 case llvm::Triple::NetBSD: 346 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 347 default: 348 return new PPC64TargetInfo(Triple, Opts); 349 } 350 351 case llvm::Triple::nvptx: 352 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/32); 353 case llvm::Triple::nvptx64: 354 return new NVPTXTargetInfo(Triple, Opts, /*TargetPointerWidth=*/64); 355 356 case llvm::Triple::amdgcn: 357 case llvm::Triple::r600: 358 return new AMDGPUTargetInfo(Triple, Opts); 359 360 case llvm::Triple::sparc: 361 switch (os) { 362 case llvm::Triple::Linux: 363 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts); 364 case llvm::Triple::Solaris: 365 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts); 366 case llvm::Triple::NetBSD: 367 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts); 368 case llvm::Triple::OpenBSD: 369 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts); 370 case llvm::Triple::RTEMS: 371 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts); 372 default: 373 return new SparcV8TargetInfo(Triple, Opts); 374 } 375 376 // The 'sparcel' architecture copies all the above cases except for Solaris. 377 case llvm::Triple::sparcel: 378 switch (os) { 379 case llvm::Triple::Linux: 380 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 381 case llvm::Triple::NetBSD: 382 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 383 case llvm::Triple::OpenBSD: 384 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 385 case llvm::Triple::RTEMS: 386 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 387 default: 388 return new SparcV8elTargetInfo(Triple, Opts); 389 } 390 391 case llvm::Triple::sparcv9: 392 switch (os) { 393 case llvm::Triple::Linux: 394 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts); 395 case llvm::Triple::Solaris: 396 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts); 397 case llvm::Triple::NetBSD: 398 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 399 case llvm::Triple::OpenBSD: 400 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 401 case llvm::Triple::FreeBSD: 402 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 403 default: 404 return new SparcV9TargetInfo(Triple, Opts); 405 } 406 407 case llvm::Triple::systemz: 408 switch (os) { 409 case llvm::Triple::Linux: 410 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts); 411 default: 412 return new SystemZTargetInfo(Triple, Opts); 413 } 414 415 case llvm::Triple::tce: 416 return new TCETargetInfo(Triple, Opts); 417 418 case llvm::Triple::tcele: 419 return new TCELETargetInfo(Triple, Opts); 420 421 case llvm::Triple::x86: 422 if (Triple.isOSDarwin()) 423 return new DarwinI386TargetInfo(Triple, Opts); 424 425 switch (os) { 426 case llvm::Triple::Ananas: 427 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts); 428 case llvm::Triple::CloudABI: 429 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts); 430 case llvm::Triple::Linux: { 431 switch (Triple.getEnvironment()) { 432 default: 433 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts); 434 case llvm::Triple::Android: 435 return new AndroidX86_32TargetInfo(Triple, Opts); 436 } 437 } 438 case llvm::Triple::DragonFly: 439 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 440 case llvm::Triple::NetBSD: 441 return new NetBSDI386TargetInfo(Triple, Opts); 442 case llvm::Triple::OpenBSD: 443 return new OpenBSDI386TargetInfo(Triple, Opts); 444 case llvm::Triple::FreeBSD: 445 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 446 case llvm::Triple::KFreeBSD: 447 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 448 case llvm::Triple::Minix: 449 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts); 450 case llvm::Triple::Solaris: 451 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts); 452 case llvm::Triple::Win32: { 453 switch (Triple.getEnvironment()) { 454 case llvm::Triple::Cygnus: 455 return new CygwinX86_32TargetInfo(Triple, Opts); 456 case llvm::Triple::GNU: 457 return new MinGWX86_32TargetInfo(Triple, Opts); 458 case llvm::Triple::Itanium: 459 case llvm::Triple::MSVC: 460 default: // Assume MSVC for unknown environments 461 return new MicrosoftX86_32TargetInfo(Triple, Opts); 462 } 463 } 464 case llvm::Triple::Haiku: 465 return new HaikuX86_32TargetInfo(Triple, Opts); 466 case llvm::Triple::RTEMS: 467 return new RTEMSX86_32TargetInfo(Triple, Opts); 468 case llvm::Triple::NaCl: 469 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts); 470 case llvm::Triple::ELFIAMCU: 471 return new MCUX86_32TargetInfo(Triple, Opts); 472 default: 473 return new X86_32TargetInfo(Triple, Opts); 474 } 475 476 case llvm::Triple::x86_64: 477 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO()) 478 return new DarwinX86_64TargetInfo(Triple, Opts); 479 480 switch (os) { 481 case llvm::Triple::Ananas: 482 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts); 483 case llvm::Triple::CloudABI: 484 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts); 485 case llvm::Triple::Linux: { 486 switch (Triple.getEnvironment()) { 487 default: 488 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts); 489 case llvm::Triple::Android: 490 return new AndroidX86_64TargetInfo(Triple, Opts); 491 } 492 } 493 case llvm::Triple::DragonFly: 494 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 495 case llvm::Triple::NetBSD: 496 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 497 case llvm::Triple::OpenBSD: 498 return new OpenBSDX86_64TargetInfo(Triple, Opts); 499 case llvm::Triple::FreeBSD: 500 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 501 case llvm::Triple::Fuchsia: 502 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts); 503 case llvm::Triple::KFreeBSD: 504 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 505 case llvm::Triple::Solaris: 506 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts); 507 case llvm::Triple::Win32: { 508 switch (Triple.getEnvironment()) { 509 case llvm::Triple::Cygnus: 510 return new CygwinX86_64TargetInfo(Triple, Opts); 511 case llvm::Triple::GNU: 512 return new MinGWX86_64TargetInfo(Triple, Opts); 513 case llvm::Triple::MSVC: 514 default: // Assume MSVC for unknown environments 515 return new MicrosoftX86_64TargetInfo(Triple, Opts); 516 } 517 } 518 case llvm::Triple::Haiku: 519 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts); 520 case llvm::Triple::NaCl: 521 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts); 522 case llvm::Triple::PS4: 523 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts); 524 default: 525 return new X86_64TargetInfo(Triple, Opts); 526 } 527 528 case llvm::Triple::spir: { 529 if (Triple.getOS() != llvm::Triple::UnknownOS || 530 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 531 return nullptr; 532 return new SPIR32TargetInfo(Triple, Opts); 533 } 534 case llvm::Triple::spir64: { 535 if (Triple.getOS() != llvm::Triple::UnknownOS || 536 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 537 return nullptr; 538 return new SPIR64TargetInfo(Triple, Opts); 539 } 540 case llvm::Triple::wasm32: 541 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 542 Triple.getVendor() != llvm::Triple::UnknownVendor || 543 Triple.getOS() != llvm::Triple::UnknownOS || 544 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment || 545 !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm())) 546 return nullptr; 547 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts); 548 case llvm::Triple::wasm64: 549 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 550 Triple.getVendor() != llvm::Triple::UnknownVendor || 551 Triple.getOS() != llvm::Triple::UnknownOS || 552 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment || 553 !(Triple.isOSBinFormatELF() || Triple.isOSBinFormatWasm())) 554 return nullptr; 555 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts); 556 557 case llvm::Triple::renderscript32: 558 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts); 559 case llvm::Triple::renderscript64: 560 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts); 561 } 562 } 563 } // namespace targets 564 } // namespace clang 565 566 using namespace clang::targets; 567 /// CreateTargetInfo - Return the target info object for the specified target 568 /// options. 569 TargetInfo * 570 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags, 571 const std::shared_ptr<TargetOptions> &Opts) { 572 llvm::Triple Triple(Opts->Triple); 573 574 // Construct the target 575 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts)); 576 if (!Target) { 577 Diags.Report(diag::err_target_unknown_triple) << Triple.str(); 578 return nullptr; 579 } 580 Target->TargetOpts = Opts; 581 582 // Set the target CPU if specified. 583 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) { 584 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU; 585 return nullptr; 586 } 587 588 // Set the target ABI if specified. 589 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) { 590 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI; 591 return nullptr; 592 } 593 594 // Set the fp math unit. 595 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) { 596 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath; 597 return nullptr; 598 } 599 600 // Compute the default target features, we need the target to handle this 601 // because features may have dependencies on one another. 602 llvm::StringMap<bool> Features; 603 if (!Target->initFeatureMap(Features, Diags, Opts->CPU, 604 Opts->FeaturesAsWritten)) 605 return nullptr; 606 607 // Add the features to the compile options. 608 Opts->Features.clear(); 609 for (const auto &F : Features) 610 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str()); 611 612 if (!Target->handleTargetFeatures(Opts->Features, Diags)) 613 return nullptr; 614 615 Target->setSupportedOpenCLOpts(); 616 Target->setOpenCLExtensionOpts(); 617 618 if (!Target->validateTarget(Diags)) 619 return nullptr; 620 621 return Target.release(); 622 } 623