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 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 //===----------------------------------------------------------------------===// 102 // Driver code 103 //===----------------------------------------------------------------------===// 104 105 TargetInfo *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::OpenBSD: 346 return new OpenBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 347 case llvm::Triple::AIX: 348 return new AIXPPC64TargetInfo(Triple, Opts); 349 default: 350 return new PPC64TargetInfo(Triple, Opts); 351 } 352 353 case llvm::Triple::ppc64le: 354 switch (os) { 355 case llvm::Triple::Linux: 356 return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts); 357 case llvm::Triple::NetBSD: 358 return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts); 359 case llvm::Triple::OpenBSD: 360 return new OpenBSDTargetInfo<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 NetBSD, RTEMS once tested. 376 switch (os) { 377 case llvm::Triple::FreeBSD: 378 return new FreeBSDTargetInfo<RISCV32TargetInfo>(Triple, Opts); 379 case llvm::Triple::Linux: 380 return new LinuxTargetInfo<RISCV32TargetInfo>(Triple, Opts); 381 default: 382 return new RISCV32TargetInfo(Triple, Opts); 383 } 384 385 case llvm::Triple::riscv64: 386 // TODO: add cases for NetBSD, RTEMS once tested. 387 switch (os) { 388 case llvm::Triple::FreeBSD: 389 return new FreeBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts); 390 case llvm::Triple::Fuchsia: 391 return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts); 392 case llvm::Triple::Linux: 393 return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts); 394 default: 395 return new RISCV64TargetInfo(Triple, Opts); 396 } 397 398 case llvm::Triple::sparc: 399 switch (os) { 400 case llvm::Triple::Linux: 401 return new LinuxTargetInfo<SparcV8TargetInfo>(Triple, Opts); 402 case llvm::Triple::Solaris: 403 return new SolarisTargetInfo<SparcV8TargetInfo>(Triple, Opts); 404 case llvm::Triple::NetBSD: 405 return new NetBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts); 406 case llvm::Triple::OpenBSD: 407 return new OpenBSDTargetInfo<SparcV8TargetInfo>(Triple, Opts); 408 case llvm::Triple::RTEMS: 409 return new RTEMSTargetInfo<SparcV8TargetInfo>(Triple, Opts); 410 default: 411 return new SparcV8TargetInfo(Triple, Opts); 412 } 413 414 // The 'sparcel' architecture copies all the above cases except for Solaris. 415 case llvm::Triple::sparcel: 416 switch (os) { 417 case llvm::Triple::Linux: 418 return new LinuxTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 419 case llvm::Triple::NetBSD: 420 return new NetBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 421 case llvm::Triple::OpenBSD: 422 return new OpenBSDTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 423 case llvm::Triple::RTEMS: 424 return new RTEMSTargetInfo<SparcV8elTargetInfo>(Triple, Opts); 425 default: 426 return new SparcV8elTargetInfo(Triple, Opts); 427 } 428 429 case llvm::Triple::sparcv9: 430 switch (os) { 431 case llvm::Triple::Linux: 432 return new LinuxTargetInfo<SparcV9TargetInfo>(Triple, Opts); 433 case llvm::Triple::Solaris: 434 return new SolarisTargetInfo<SparcV9TargetInfo>(Triple, Opts); 435 case llvm::Triple::NetBSD: 436 return new NetBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 437 case llvm::Triple::OpenBSD: 438 return new OpenBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 439 case llvm::Triple::FreeBSD: 440 return new FreeBSDTargetInfo<SparcV9TargetInfo>(Triple, Opts); 441 default: 442 return new SparcV9TargetInfo(Triple, Opts); 443 } 444 445 case llvm::Triple::systemz: 446 switch (os) { 447 case llvm::Triple::Linux: 448 return new LinuxTargetInfo<SystemZTargetInfo>(Triple, Opts); 449 default: 450 return new SystemZTargetInfo(Triple, Opts); 451 } 452 453 case llvm::Triple::tce: 454 return new TCETargetInfo(Triple, Opts); 455 456 case llvm::Triple::tcele: 457 return new TCELETargetInfo(Triple, Opts); 458 459 case llvm::Triple::x86: 460 if (Triple.isOSDarwin()) 461 return new DarwinI386TargetInfo(Triple, Opts); 462 463 switch (os) { 464 case llvm::Triple::Ananas: 465 return new AnanasTargetInfo<X86_32TargetInfo>(Triple, Opts); 466 case llvm::Triple::CloudABI: 467 return new CloudABITargetInfo<X86_32TargetInfo>(Triple, Opts); 468 case llvm::Triple::Linux: { 469 switch (Triple.getEnvironment()) { 470 default: 471 return new LinuxTargetInfo<X86_32TargetInfo>(Triple, Opts); 472 case llvm::Triple::Android: 473 return new AndroidX86_32TargetInfo(Triple, Opts); 474 } 475 } 476 case llvm::Triple::DragonFly: 477 return new DragonFlyBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 478 case llvm::Triple::NetBSD: 479 return new NetBSDI386TargetInfo(Triple, Opts); 480 case llvm::Triple::OpenBSD: 481 return new OpenBSDI386TargetInfo(Triple, Opts); 482 case llvm::Triple::FreeBSD: 483 return new FreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 484 case llvm::Triple::KFreeBSD: 485 return new KFreeBSDTargetInfo<X86_32TargetInfo>(Triple, Opts); 486 case llvm::Triple::Minix: 487 return new MinixTargetInfo<X86_32TargetInfo>(Triple, Opts); 488 case llvm::Triple::Solaris: 489 return new SolarisTargetInfo<X86_32TargetInfo>(Triple, Opts); 490 case llvm::Triple::Win32: { 491 switch (Triple.getEnvironment()) { 492 case llvm::Triple::Cygnus: 493 return new CygwinX86_32TargetInfo(Triple, Opts); 494 case llvm::Triple::GNU: 495 return new MinGWX86_32TargetInfo(Triple, Opts); 496 case llvm::Triple::Itanium: 497 case llvm::Triple::MSVC: 498 default: // Assume MSVC for unknown environments 499 return new MicrosoftX86_32TargetInfo(Triple, Opts); 500 } 501 } 502 case llvm::Triple::Haiku: 503 return new HaikuX86_32TargetInfo(Triple, Opts); 504 case llvm::Triple::RTEMS: 505 return new RTEMSX86_32TargetInfo(Triple, Opts); 506 case llvm::Triple::NaCl: 507 return new NaClTargetInfo<X86_32TargetInfo>(Triple, Opts); 508 case llvm::Triple::ELFIAMCU: 509 return new MCUX86_32TargetInfo(Triple, Opts); 510 case llvm::Triple::Hurd: 511 return new HurdTargetInfo<X86_32TargetInfo>(Triple, Opts); 512 default: 513 return new X86_32TargetInfo(Triple, Opts); 514 } 515 516 case llvm::Triple::x86_64: 517 if (Triple.isOSDarwin() || Triple.isOSBinFormatMachO()) 518 return new DarwinX86_64TargetInfo(Triple, Opts); 519 520 switch (os) { 521 case llvm::Triple::Ananas: 522 return new AnanasTargetInfo<X86_64TargetInfo>(Triple, Opts); 523 case llvm::Triple::CloudABI: 524 return new CloudABITargetInfo<X86_64TargetInfo>(Triple, Opts); 525 case llvm::Triple::Linux: { 526 switch (Triple.getEnvironment()) { 527 default: 528 return new LinuxTargetInfo<X86_64TargetInfo>(Triple, Opts); 529 case llvm::Triple::Android: 530 return new AndroidX86_64TargetInfo(Triple, Opts); 531 } 532 } 533 case llvm::Triple::DragonFly: 534 return new DragonFlyBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 535 case llvm::Triple::NetBSD: 536 return new NetBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 537 case llvm::Triple::OpenBSD: 538 return new OpenBSDX86_64TargetInfo(Triple, Opts); 539 case llvm::Triple::FreeBSD: 540 return new FreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 541 case llvm::Triple::Fuchsia: 542 return new FuchsiaTargetInfo<X86_64TargetInfo>(Triple, Opts); 543 case llvm::Triple::KFreeBSD: 544 return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts); 545 case llvm::Triple::Solaris: 546 return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts); 547 case llvm::Triple::Win32: { 548 switch (Triple.getEnvironment()) { 549 case llvm::Triple::Cygnus: 550 return new CygwinX86_64TargetInfo(Triple, Opts); 551 case llvm::Triple::GNU: 552 return new MinGWX86_64TargetInfo(Triple, Opts); 553 case llvm::Triple::MSVC: 554 default: // Assume MSVC for unknown environments 555 return new MicrosoftX86_64TargetInfo(Triple, Opts); 556 } 557 } 558 case llvm::Triple::Haiku: 559 return new HaikuTargetInfo<X86_64TargetInfo>(Triple, Opts); 560 case llvm::Triple::NaCl: 561 return new NaClTargetInfo<X86_64TargetInfo>(Triple, Opts); 562 case llvm::Triple::PS4: 563 return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts); 564 default: 565 return new X86_64TargetInfo(Triple, Opts); 566 } 567 568 case llvm::Triple::spir: { 569 if (Triple.getOS() != llvm::Triple::UnknownOS || 570 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 571 return nullptr; 572 return new SPIR32TargetInfo(Triple, Opts); 573 } 574 case llvm::Triple::spir64: { 575 if (Triple.getOS() != llvm::Triple::UnknownOS || 576 Triple.getEnvironment() != llvm::Triple::UnknownEnvironment) 577 return nullptr; 578 return new SPIR64TargetInfo(Triple, Opts); 579 } 580 case llvm::Triple::wasm32: 581 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 582 Triple.getVendor() != llvm::Triple::UnknownVendor || 583 !Triple.isOSBinFormatWasm()) 584 return nullptr; 585 switch (Triple.getOS()) { 586 case llvm::Triple::WASI: 587 return new WASITargetInfo<WebAssembly32TargetInfo>(Triple, Opts); 588 case llvm::Triple::Emscripten: 589 return new EmscriptenTargetInfo<WebAssembly32TargetInfo>(Triple, Opts); 590 case llvm::Triple::UnknownOS: 591 return new WebAssemblyOSTargetInfo<WebAssembly32TargetInfo>(Triple, Opts); 592 default: 593 return nullptr; 594 } 595 case llvm::Triple::wasm64: 596 if (Triple.getSubArch() != llvm::Triple::NoSubArch || 597 Triple.getVendor() != llvm::Triple::UnknownVendor || 598 !Triple.isOSBinFormatWasm()) 599 return nullptr; 600 switch (Triple.getOS()) { 601 case llvm::Triple::WASI: 602 return new WASITargetInfo<WebAssembly64TargetInfo>(Triple, Opts); 603 case llvm::Triple::Emscripten: 604 return new EmscriptenTargetInfo<WebAssembly64TargetInfo>(Triple, Opts); 605 case llvm::Triple::UnknownOS: 606 return new WebAssemblyOSTargetInfo<WebAssembly64TargetInfo>(Triple, Opts); 607 default: 608 return nullptr; 609 } 610 611 case llvm::Triple::renderscript32: 612 return new LinuxTargetInfo<RenderScript32TargetInfo>(Triple, Opts); 613 case llvm::Triple::renderscript64: 614 return new LinuxTargetInfo<RenderScript64TargetInfo>(Triple, Opts); 615 } 616 } 617 } // namespace targets 618 } // namespace clang 619 620 using namespace clang::targets; 621 /// CreateTargetInfo - Return the target info object for the specified target 622 /// options. 623 TargetInfo * 624 TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags, 625 const std::shared_ptr<TargetOptions> &Opts) { 626 llvm::Triple Triple(Opts->Triple); 627 628 // Construct the target 629 std::unique_ptr<TargetInfo> Target(AllocateTarget(Triple, *Opts)); 630 if (!Target) { 631 Diags.Report(diag::err_target_unknown_triple) << Triple.str(); 632 return nullptr; 633 } 634 Target->TargetOpts = Opts; 635 636 // Set the target CPU if specified. 637 if (!Opts->CPU.empty() && !Target->setCPU(Opts->CPU)) { 638 Diags.Report(diag::err_target_unknown_cpu) << Opts->CPU; 639 SmallVector<StringRef, 32> ValidList; 640 Target->fillValidCPUList(ValidList); 641 if (!ValidList.empty()) 642 Diags.Report(diag::note_valid_options) << llvm::join(ValidList, ", "); 643 return nullptr; 644 } 645 646 // Set the target ABI if specified. 647 if (!Opts->ABI.empty() && !Target->setABI(Opts->ABI)) { 648 Diags.Report(diag::err_target_unknown_abi) << Opts->ABI; 649 return nullptr; 650 } 651 652 // Set the fp math unit. 653 if (!Opts->FPMath.empty() && !Target->setFPMath(Opts->FPMath)) { 654 Diags.Report(diag::err_target_unknown_fpmath) << Opts->FPMath; 655 return nullptr; 656 } 657 658 // Compute the default target features, we need the target to handle this 659 // because features may have dependencies on one another. 660 llvm::StringMap<bool> Features; 661 if (!Target->initFeatureMap(Features, Diags, Opts->CPU, 662 Opts->FeaturesAsWritten)) 663 return nullptr; 664 665 // Add the features to the compile options. 666 Opts->Features.clear(); 667 for (const auto &F : Features) 668 Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str()); 669 // Sort here, so we handle the features in a predictable order. (This matters 670 // when we're dealing with features that overlap.) 671 llvm::sort(Opts->Features); 672 673 if (!Target->handleTargetFeatures(Opts->Features, Diags)) 674 return nullptr; 675 676 Target->setSupportedOpenCLOpts(); 677 Target->setOpenCLExtensionOpts(); 678 Target->setMaxAtomicWidth(); 679 680 if (!Target->validateTarget(Diags)) 681 return nullptr; 682 683 Target->CheckFixedPointBits(); 684 685 return Target.release(); 686 } 687