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| 25 | |
| 26 | #include "llvm/ADT/ArrayRef.h" |
| 27 | #include "llvm/ADT/DenseMap.h" |
| 28 | #include "llvm/ADT/None.h" |
| 29 | #include "llvm/ADT/SmallVector.h" |
| 30 | #include "llvm/ADT/STLExtras.h" |
| 31 | #include "llvm/ADT/StringExtras.h" |
| 32 | #include "llvm/ADT/StringRef.h" |
| 33 | #include "llvm/Support/Casting.h" |
| 34 | #include "llvm/Support/ErrorHandling.h" |
| 35 | #include "llvm/Support/raw_ostream.h" |
| 36 | #include "llvm/TableGen/Error.h" |
| 37 | #include "llvm/TableGen/Record.h" |
| 38 | #include "llvm/TableGen/SetTheory.h" |
| 39 | #include <algorithm> |
| 40 | #include <cassert> |
| 41 | #include <cctype> |
| 42 | #include <cstddef> |
| 43 | #include <cstdint> |
| 44 | #include <deque> |
| 45 | #include <map> |
| 46 | #include <set> |
| 47 | #include <sstream> |
| 48 | #include <string> |
| 49 | #include <utility> |
| 50 | #include <vector> |
| 51 | |
| 52 | using namespace llvm; |
| 53 | |
| 54 | namespace { |
| 55 | |
| 56 | |
| 57 | |
| 58 | |
| 59 | static Record *CurrentRecord = nullptr; |
| 60 | static void assert_with_loc(bool Assertion, const std::string &Str) { |
| 61 | if (!Assertion) { |
| 62 | if (CurrentRecord) |
| 63 | PrintFatalError(CurrentRecord->getLoc(), Str); |
| 64 | else |
| 65 | PrintFatalError(Str); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | enum ClassKind { |
| 70 | ClassNone, |
| 71 | ClassI, |
| 72 | ClassS, |
| 73 | ClassW, |
| 74 | ClassB, |
| 75 | ClassL, |
| 76 | |
| 77 | |
| 78 | ClassNoTest |
| 79 | |
| 80 | }; |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | namespace NeonTypeFlags { |
| 86 | |
| 87 | enum { EltTypeMask = 0xf, UnsignedFlag = 0x10, QuadFlag = 0x20 }; |
| 88 | |
| 89 | enum EltType { |
| 90 | Int8, |
| 91 | Int16, |
| 92 | Int32, |
| 93 | Int64, |
| 94 | Poly8, |
| 95 | Poly16, |
| 96 | Poly64, |
| 97 | Poly128, |
| 98 | Float16, |
| 99 | Float32, |
| 100 | Float64 |
| 101 | }; |
| 102 | |
| 103 | } |
| 104 | |
| 105 | class NeonEmitter; |
| 106 | |
| 107 | |
| 108 | |
| 109 | |
| 110 | |
| 111 | |
| 112 | |
| 113 | |
| 114 | |
| 115 | class TypeSpec : public std::string { |
| 116 | public: |
| 117 | static std::vector<TypeSpec> fromTypeSpecs(StringRef Str) { |
| 118 | std::vector<TypeSpec> Ret; |
| 119 | TypeSpec Acc; |
| 120 | for (char I : Str.str()) { |
| 121 | if (islower(I)) { |
| 122 | Acc.push_back(I); |
| 123 | Ret.push_back(TypeSpec(Acc)); |
| 124 | Acc.clear(); |
| 125 | } else { |
| 126 | Acc.push_back(I); |
| 127 | } |
| 128 | } |
| 129 | return Ret; |
| 130 | } |
| 131 | }; |
| 132 | |
| 133 | |
| 134 | |
| 135 | |
| 136 | |
| 137 | |
| 138 | class Type { |
| 139 | private: |
| 140 | TypeSpec TS; |
| 141 | |
| 142 | bool Float, Signed, Immediate, Void, Poly, Constant, Pointer; |
| 143 | |
| 144 | |
| 145 | |
| 146 | bool ScalarForMangling, NoManglingQ; |
| 147 | unsigned Bitwidth, ElementBitwidth, NumVectors; |
| 148 | |
| 149 | public: |
| 150 | Type() |
| 151 | : Float(false), Signed(false), Immediate(false), Void(true), Poly(false), |
| 152 | Constant(false), Pointer(false), ScalarForMangling(false), |
| 153 | NoManglingQ(false), Bitwidth(0), ElementBitwidth(0), NumVectors(0) {} |
| 154 | |
| 155 | Type(TypeSpec TS, char CharMod) |
| 156 | : TS(std::move(TS)), Float(false), Signed(false), Immediate(false), |
| 157 | Void(false), Poly(false), Constant(false), Pointer(false), |
| 158 | ScalarForMangling(false), NoManglingQ(false), Bitwidth(0), |
| 159 | ElementBitwidth(0), NumVectors(0) { |
| 160 | applyModifier(CharMod); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | static Type getVoid() { return Type(); } |
| 165 | |
| 166 | bool operator==(const Type &Other) const { return str() == Other.str(); } |
| 167 | bool operator!=(const Type &Other) const { return !operator==(Other); } |
| 168 | |
| 169 | |
| 170 | |
| 171 | |
| 172 | bool isScalarForMangling() const { return ScalarForMangling; } |
| 173 | bool noManglingQ() const { return NoManglingQ; } |
| 174 | |
| 175 | bool isPointer() const { return Pointer; } |
| 176 | bool isFloating() const { return Float; } |
| 177 | bool isInteger() const { return !Float && !Poly; } |
| 178 | bool isSigned() const { return Signed; } |
| 179 | bool isImmediate() const { return Immediate; } |
| 180 | bool isScalar() const { return NumVectors == 0; } |
| 181 | bool isVector() const { return NumVectors > 0; } |
| 182 | bool isFloat() const { return Float && ElementBitwidth == 32; } |
| 183 | bool isDouble() const { return Float && ElementBitwidth == 64; } |
| 184 | bool isHalf() const { return Float && ElementBitwidth == 16; } |
| 185 | bool isPoly() const { return Poly; } |
| 186 | bool isChar() const { return ElementBitwidth == 8; } |
| 187 | bool isShort() const { return !Float && ElementBitwidth == 16; } |
| 188 | bool isInt() const { return !Float && ElementBitwidth == 32; } |
| 189 | bool isLong() const { return !Float && ElementBitwidth == 64; } |
| 190 | bool isVoid() const { return Void; } |
| 191 | unsigned getNumElements() const { return Bitwidth / ElementBitwidth; } |
| 192 | unsigned getSizeInBits() const { return Bitwidth; } |
| 193 | unsigned getElementSizeInBits() const { return ElementBitwidth; } |
| 194 | unsigned getNumVectors() const { return NumVectors; } |
| 195 | |
| 196 | |
| 197 | |
| 198 | |
| 199 | void makeUnsigned() { Signed = false; } |
| 200 | void makeSigned() { Signed = true; } |
| 201 | |
| 202 | void makeInteger(unsigned ElemWidth, bool Sign) { |
| 203 | Float = false; |
| 204 | Poly = false; |
| 205 | Signed = Sign; |
| 206 | Immediate = false; |
| 207 | ElementBitwidth = ElemWidth; |
| 208 | } |
| 209 | |
| 210 | void makeImmediate(unsigned ElemWidth) { |
| 211 | Float = false; |
| 212 | Poly = false; |
| 213 | Signed = true; |
| 214 | Immediate = true; |
| 215 | ElementBitwidth = ElemWidth; |
| 216 | } |
| 217 | |
| 218 | void makeScalar() { |
| 219 | Bitwidth = ElementBitwidth; |
| 220 | NumVectors = 0; |
| 221 | } |
| 222 | |
| 223 | void makeOneVector() { |
| 224 | assert(isVector()); |
| 225 | NumVectors = 1; |
| 226 | } |
| 227 | |
| 228 | void doubleLanes() { |
| 229 | assert_with_loc(Bitwidth != 128, "Can't get bigger than 128!"); |
| 230 | Bitwidth = 128; |
| 231 | } |
| 232 | |
| 233 | void halveLanes() { |
| 234 | assert_with_loc(Bitwidth != 64, "Can't get smaller than 64!"); |
| 235 | Bitwidth = 64; |
| 236 | } |
| 237 | |
| 238 | |
| 239 | |
| 240 | std::string str() const; |
| 241 | |
| 242 | |
| 243 | |
| 244 | std::string builtin_str() const; |
| 245 | |
| 246 | |
| 247 | unsigned getNeonEnum() const; |
| 248 | |
| 249 | |
| 250 | |
| 251 | static Type fromTypedefName(StringRef Name); |
| 252 | |
| 253 | private: |
| 254 | |
| 255 | |
| 256 | |
| 257 | |
| 258 | void applyTypespec(bool &Quad); |
| 259 | |
| 260 | void applyModifier(char Mod); |
| 261 | }; |
| 262 | |
| 263 | |
| 264 | |
| 265 | |
| 266 | |
| 267 | |
| 268 | class Variable { |
| 269 | Type T; |
| 270 | std::string N; |
| 271 | |
| 272 | public: |
| 273 | Variable() : T(Type::getVoid()), N("") {} |
| 274 | Variable(Type T, std::string N) : T(std::move(T)), N(std::move(N)) {} |
| 275 | |
| 276 | Type getType() const { return T; } |
| 277 | std::string getName() const { return "__" + N; } |
| 278 | }; |
| 279 | |
| 280 | |
| 281 | |
| 282 | |
| 283 | |
| 284 | |
| 285 | |
| 286 | class Intrinsic { |
| 287 | friend class DagEmitter; |
| 288 | |
| 289 | |
| 290 | Record *R; |
| 291 | |
| 292 | std::string Name, Proto; |
| 293 | |
| 294 | |
| 295 | TypeSpec OutTS, InTS; |
| 296 | |
| 297 | |
| 298 | |
| 299 | |
| 300 | ClassKind CK; |
| 301 | |
| 302 | |
| 303 | ListInit *Body; |
| 304 | |
| 305 | std::string Guard; |
| 306 | |
| 307 | |
| 308 | bool IsUnavailable; |
| 309 | |
| 310 | |
| 311 | bool BigEndianSafe; |
| 312 | |
| 313 | |
| 314 | std::vector<Type> Types; |
| 315 | |
| 316 | std::map<std::string, Variable> Variables; |
| 317 | |
| 318 | bool NeededEarly; |
| 319 | |
| 320 | |
| 321 | bool UseMacro; |
| 322 | |
| 323 | std::set<Intrinsic *> Dependencies; |
| 324 | |
| 325 | |
| 326 | Type BaseType, InBaseType; |
| 327 | |
| 328 | Variable RetVar; |
| 329 | |
| 330 | std::string VariablePostfix; |
| 331 | |
| 332 | NeonEmitter &Emitter; |
| 333 | std::stringstream OS; |
| 334 | |
| 335 | public: |
| 336 | Intrinsic(Record *R, StringRef Name, StringRef Proto, TypeSpec OutTS, |
| 337 | TypeSpec InTS, ClassKind CK, ListInit *Body, NeonEmitter &Emitter, |
| 338 | StringRef Guard, bool IsUnavailable, bool BigEndianSafe) |
| 339 | : R(R), Name(Name.str()), Proto(Proto.str()), OutTS(OutTS), InTS(InTS), |
| 340 | CK(CK), Body(Body), Guard(Guard.str()), IsUnavailable(IsUnavailable), |
| 341 | BigEndianSafe(BigEndianSafe), NeededEarly(false), UseMacro(false), |
| 342 | BaseType(OutTS, 'd'), InBaseType(InTS, 'd'), Emitter(Emitter) { |
| 343 | |
| 344 | |
| 345 | |
| 346 | if (Proto.find('i') != std::string::npos) |
| 347 | UseMacro = true; |
| 348 | |
| 349 | |
| 350 | |
| 351 | if (Proto.find('p') != std::string::npos || |
| 352 | Proto.find('c') != std::string::npos) |
| 353 | UseMacro = true; |
| 354 | |
| 355 | |
| 356 | |
| 357 | if (OutTS.find('h') != std::string::npos && |
| 358 | Proto.find('s') != std::string::npos) |
| 359 | UseMacro = true; |
| 360 | |
| 361 | |
| 362 | |
| 363 | |
| 364 | Types.emplace_back(OutTS, Proto[0]); |
| 365 | for (unsigned I = 1; I < Proto.size(); ++I) |
| 366 | Types.emplace_back(InTS, Proto[I]); |
| 367 | } |
| 368 | |
| 369 | |
| 370 | Record *getRecord() const { return R; } |
| 371 | |
| 372 | |
| 373 | |
| 374 | const std::set<Intrinsic *> &getDependencies() const { return Dependencies; } |
| 375 | |
| 376 | std::string getGuard() const { return Guard; } |
| 377 | |
| 378 | std::string getName() const { return Name; } |
| 379 | |
| 380 | |
| 381 | bool hasImmediate() const { |
| 382 | return Proto.find('i') != std::string::npos; |
| 383 | } |
| 384 | |
| 385 | |
| 386 | unsigned getImmediateIdx() const { |
| 387 | assert(hasImmediate()); |
| 388 | unsigned Idx = Proto.find('i'); |
| 389 | (0) . __assert_fail ("Idx > 0 && \"Can't return an immediate!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 389, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Idx > 0 && "Can't return an immediate!"); |
| 390 | return Idx - 1; |
| 391 | } |
| 392 | |
| 393 | |
| 394 | bool hasSplat() const { return Proto.find('a') != std::string::npos; } |
| 395 | |
| 396 | |
| 397 | unsigned getSplatIdx() const { |
| 398 | assert(hasSplat()); |
| 399 | unsigned Idx = Proto.find('a'); |
| 400 | (0) . __assert_fail ("Idx > 0 && \"Can't return a splat!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 400, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Idx > 0 && "Can't return a splat!"); |
| 401 | return Idx - 1; |
| 402 | } |
| 403 | |
| 404 | unsigned getNumParams() const { return Proto.size() - 1; } |
| 405 | Type getReturnType() const { return Types[0]; } |
| 406 | Type getParamType(unsigned I) const { return Types[I + 1]; } |
| 407 | Type getBaseType() const { return BaseType; } |
| 408 | |
| 409 | std::string getProto() const { return Proto; } |
| 410 | |
| 411 | |
| 412 | |
| 413 | bool protoHasScalar() const; |
| 414 | |
| 415 | |
| 416 | |
| 417 | |
| 418 | |
| 419 | unsigned getGeneratedParamIdx(unsigned PIndex) { |
| 420 | unsigned Idx = 0; |
| 421 | if (getReturnType().getNumVectors() > 1) |
| 422 | |
| 423 | ++Idx; |
| 424 | |
| 425 | for (unsigned I = 0; I < PIndex; ++I) |
| 426 | Idx += std::max(1U, getParamType(I).getNumVectors()); |
| 427 | |
| 428 | return Idx; |
| 429 | } |
| 430 | |
| 431 | bool hasBody() const { return Body && !Body->getValues().empty(); } |
| 432 | |
| 433 | void setNeededEarly() { NeededEarly = true; } |
| 434 | |
| 435 | bool operator<(const Intrinsic &Other) const { |
| 436 | |
| 437 | if (Guard != Other.Guard) |
| 438 | return Guard < Other.Guard; |
| 439 | return Name < Other.Name; |
| 440 | } |
| 441 | |
| 442 | ClassKind getClassKind(bool UseClassBIfScalar = false) { |
| 443 | if (UseClassBIfScalar && !protoHasScalar()) |
| 444 | return ClassB; |
| 445 | return CK; |
| 446 | } |
| 447 | |
| 448 | |
| 449 | |
| 450 | |
| 451 | std::string getMangledName(bool ForceClassS = false) const; |
| 452 | |
| 453 | std::string getInstTypeCode(Type T, ClassKind CK) const; |
| 454 | |
| 455 | std::string getBuiltinTypeStr(); |
| 456 | |
| 457 | |
| 458 | std::string generate(); |
| 459 | |
| 460 | |
| 461 | void indexBody(); |
| 462 | |
| 463 | private: |
| 464 | std::string mangleName(std::string Name, ClassKind CK) const; |
| 465 | |
| 466 | void initVariables(); |
| 467 | std::string replaceParamsIn(std::string S); |
| 468 | |
| 469 | void emitBodyAsBuiltinCall(); |
| 470 | |
| 471 | void generateImpl(bool ReverseArguments, |
| 472 | StringRef NamePrefix, StringRef CallPrefix); |
| 473 | void emitReturn(); |
| 474 | void emitBody(StringRef CallPrefix); |
| 475 | void emitShadowedArgs(); |
| 476 | void emitArgumentReversal(); |
| 477 | void emitReturnReversal(); |
| 478 | void emitReverseVariable(Variable &Dest, Variable &Src); |
| 479 | void emitNewLine(); |
| 480 | void emitClosingBrace(); |
| 481 | void emitOpeningBrace(); |
| 482 | void emitPrototype(StringRef NamePrefix); |
| 483 | |
| 484 | class DagEmitter { |
| 485 | Intrinsic &Intr; |
| 486 | StringRef CallPrefix; |
| 487 | |
| 488 | public: |
| 489 | DagEmitter(Intrinsic &Intr, StringRef CallPrefix) : |
| 490 | Intr(Intr), CallPrefix(CallPrefix) { |
| 491 | } |
| 492 | std::pair<Type, std::string> emitDagArg(Init *Arg, std::string ArgName); |
| 493 | std::pair<Type, std::string> emitDagSaveTemp(DagInit *DI); |
| 494 | std::pair<Type, std::string> emitDagSplat(DagInit *DI); |
| 495 | std::pair<Type, std::string> emitDagDup(DagInit *DI); |
| 496 | std::pair<Type, std::string> emitDagDupTyped(DagInit *DI); |
| 497 | std::pair<Type, std::string> emitDagShuffle(DagInit *DI); |
| 498 | std::pair<Type, std::string> emitDagCast(DagInit *DI, bool IsBitCast); |
| 499 | std::pair<Type, std::string> emitDagCall(DagInit *DI); |
| 500 | std::pair<Type, std::string> emitDagNameReplace(DagInit *DI); |
| 501 | std::pair<Type, std::string> emitDagLiteral(DagInit *DI); |
| 502 | std::pair<Type, std::string> emitDagOp(DagInit *DI); |
| 503 | std::pair<Type, std::string> emitDag(DagInit *DI); |
| 504 | }; |
| 505 | }; |
| 506 | |
| 507 | |
| 508 | |
| 509 | |
| 510 | |
| 511 | class NeonEmitter { |
| 512 | RecordKeeper &Records; |
| 513 | DenseMap<Record *, ClassKind> ClassMap; |
| 514 | std::map<std::string, std::deque<Intrinsic>> IntrinsicMap; |
| 515 | unsigned UniqueNumber; |
| 516 | |
| 517 | void createIntrinsic(Record *R, SmallVectorImpl<Intrinsic *> &Out); |
| 518 | void genBuiltinsDef(raw_ostream &OS, SmallVectorImpl<Intrinsic *> &Defs); |
| 519 | void genOverloadTypeCheckCode(raw_ostream &OS, |
| 520 | SmallVectorImpl<Intrinsic *> &Defs); |
| 521 | void genIntrinsicRangeCheckCode(raw_ostream &OS, |
| 522 | SmallVectorImpl<Intrinsic *> &Defs); |
| 523 | |
| 524 | public: |
| 525 | |
| 526 | |
| 527 | Intrinsic &getIntrinsic(StringRef Name, ArrayRef<Type> Types); |
| 528 | |
| 529 | |
| 530 | unsigned getUniqueNumber() { return UniqueNumber++; } |
| 531 | |
| 532 | NeonEmitter(RecordKeeper &R) : Records(R), UniqueNumber(0) { |
| 533 | Record *SI = R.getClass("SInst"); |
| 534 | Record *II = R.getClass("IInst"); |
| 535 | Record *WI = R.getClass("WInst"); |
| 536 | Record *SOpI = R.getClass("SOpInst"); |
| 537 | Record *IOpI = R.getClass("IOpInst"); |
| 538 | Record *WOpI = R.getClass("WOpInst"); |
| 539 | Record *LOpI = R.getClass("LOpInst"); |
| 540 | Record *NoTestOpI = R.getClass("NoTestOpInst"); |
| 541 | |
| 542 | ClassMap[SI] = ClassS; |
| 543 | ClassMap[II] = ClassI; |
| 544 | ClassMap[WI] = ClassW; |
| 545 | ClassMap[SOpI] = ClassS; |
| 546 | ClassMap[IOpI] = ClassI; |
| 547 | ClassMap[WOpI] = ClassW; |
| 548 | ClassMap[LOpI] = ClassL; |
| 549 | ClassMap[NoTestOpI] = ClassNoTest; |
| 550 | } |
| 551 | |
| 552 | |
| 553 | void run(raw_ostream &o); |
| 554 | |
| 555 | |
| 556 | void runFP16(raw_ostream &o); |
| 557 | |
| 558 | |
| 559 | |
| 560 | void (raw_ostream &o); |
| 561 | |
| 562 | |
| 563 | void runTests(raw_ostream &o); |
| 564 | }; |
| 565 | |
| 566 | } |
| 567 | |
| 568 | |
| 569 | |
| 570 | |
| 571 | |
| 572 | std::string Type::str() const { |
| 573 | if (Void) |
| 574 | return "void"; |
| 575 | std::string S; |
| 576 | |
| 577 | if (!Signed && isInteger()) |
| 578 | S += "u"; |
| 579 | |
| 580 | if (Poly) |
| 581 | S += "poly"; |
| 582 | else if (Float) |
| 583 | S += "float"; |
| 584 | else |
| 585 | S += "int"; |
| 586 | |
| 587 | S += utostr(ElementBitwidth); |
| 588 | if (isVector()) |
| 589 | S += "x" + utostr(getNumElements()); |
| 590 | if (NumVectors > 1) |
| 591 | S += "x" + utostr(NumVectors); |
| 592 | S += "_t"; |
| 593 | |
| 594 | if (Constant) |
| 595 | S += " const"; |
| 596 | if (Pointer) |
| 597 | S += " *"; |
| 598 | |
| 599 | return S; |
| 600 | } |
| 601 | |
| 602 | std::string Type::builtin_str() const { |
| 603 | std::string S; |
| 604 | if (isVoid()) |
| 605 | return "v"; |
| 606 | |
| 607 | if (Pointer) |
| 608 | |
| 609 | S += "v"; |
| 610 | else if (isInteger()) |
| 611 | switch (ElementBitwidth) { |
| 612 | case 8: S += "c"; break; |
| 613 | case 16: S += "s"; break; |
| 614 | case 32: S += "i"; break; |
| 615 | case 64: S += "Wi"; break; |
| 616 | case 128: S += "LLLi"; break; |
| 617 | default: llvm_unreachable("Unhandled case!"); |
| 618 | } |
| 619 | else |
| 620 | switch (ElementBitwidth) { |
| 621 | case 16: S += "h"; break; |
| 622 | case 32: S += "f"; break; |
| 623 | case 64: S += "d"; break; |
| 624 | default: llvm_unreachable("Unhandled case!"); |
| 625 | } |
| 626 | |
| 627 | if (isChar() && !Pointer) |
| 628 | |
| 629 | S = "S" + S; |
| 630 | else if (isInteger() && !Pointer && !Signed) |
| 631 | S = "U" + S; |
| 632 | |
| 633 | |
| 634 | if (isImmediate()) { |
| 635 | assert(isInteger() && isSigned()); |
| 636 | S = "I" + S; |
| 637 | } |
| 638 | |
| 639 | if (isScalar()) { |
| 640 | if (Constant) S += "C"; |
| 641 | if (Pointer) S += "*"; |
| 642 | return S; |
| 643 | } |
| 644 | |
| 645 | std::string Ret; |
| 646 | for (unsigned I = 0; I < NumVectors; ++I) |
| 647 | Ret += "V" + utostr(getNumElements()) + S; |
| 648 | |
| 649 | return Ret; |
| 650 | } |
| 651 | |
| 652 | unsigned Type::getNeonEnum() const { |
| 653 | unsigned Addend; |
| 654 | switch (ElementBitwidth) { |
| 655 | case 8: Addend = 0; break; |
| 656 | case 16: Addend = 1; break; |
| 657 | case 32: Addend = 2; break; |
| 658 | case 64: Addend = 3; break; |
| 659 | case 128: Addend = 4; break; |
| 660 | default: llvm_unreachable("Unhandled element bitwidth!"); |
| 661 | } |
| 662 | |
| 663 | unsigned Base = (unsigned)NeonTypeFlags::Int8 + Addend; |
| 664 | if (Poly) { |
| 665 | |
| 666 | if (Addend >= 2) |
| 667 | --Addend; |
| 668 | Base = (unsigned)NeonTypeFlags::Poly8 + Addend; |
| 669 | } |
| 670 | if (Float) { |
| 671 | (0) . __assert_fail ("Addend != 0 && \"Float8 doesn't exist!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 671, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Addend != 0 && "Float8 doesn't exist!"); |
| 672 | Base = (unsigned)NeonTypeFlags::Float16 + (Addend - 1); |
| 673 | } |
| 674 | |
| 675 | if (Bitwidth == 128) |
| 676 | Base |= (unsigned)NeonTypeFlags::QuadFlag; |
| 677 | if (isInteger() && !Signed) |
| 678 | Base |= (unsigned)NeonTypeFlags::UnsignedFlag; |
| 679 | |
| 680 | return Base; |
| 681 | } |
| 682 | |
| 683 | Type Type::fromTypedefName(StringRef Name) { |
| 684 | Type T; |
| 685 | T.Void = false; |
| 686 | T.Float = false; |
| 687 | T.Poly = false; |
| 688 | |
| 689 | if (Name.front() == 'u') { |
| 690 | T.Signed = false; |
| 691 | Name = Name.drop_front(); |
| 692 | } else { |
| 693 | T.Signed = true; |
| 694 | } |
| 695 | |
| 696 | if (Name.startswith("float")) { |
| 697 | T.Float = true; |
| 698 | Name = Name.drop_front(5); |
| 699 | } else if (Name.startswith("poly")) { |
| 700 | T.Poly = true; |
| 701 | Name = Name.drop_front(4); |
| 702 | } else { |
| 703 | (0) . __assert_fail ("Name.startswith(\"int\")", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 703, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Name.startswith("int")); |
| 704 | Name = Name.drop_front(3); |
| 705 | } |
| 706 | |
| 707 | unsigned I = 0; |
| 708 | for (I = 0; I < Name.size(); ++I) { |
| 709 | if (!isdigit(Name[I])) |
| 710 | break; |
| 711 | } |
| 712 | Name.substr(0, I).getAsInteger(10, T.ElementBitwidth); |
| 713 | Name = Name.drop_front(I); |
| 714 | |
| 715 | T.Bitwidth = T.ElementBitwidth; |
| 716 | T.NumVectors = 1; |
| 717 | |
| 718 | if (Name.front() == 'x') { |
| 719 | Name = Name.drop_front(); |
| 720 | unsigned I = 0; |
| 721 | for (I = 0; I < Name.size(); ++I) { |
| 722 | if (!isdigit(Name[I])) |
| 723 | break; |
| 724 | } |
| 725 | unsigned NumLanes; |
| 726 | Name.substr(0, I).getAsInteger(10, NumLanes); |
| 727 | Name = Name.drop_front(I); |
| 728 | T.Bitwidth = T.ElementBitwidth * NumLanes; |
| 729 | } else { |
| 730 | |
| 731 | T.NumVectors = 0; |
| 732 | } |
| 733 | if (Name.front() == 'x') { |
| 734 | Name = Name.drop_front(); |
| 735 | unsigned I = 0; |
| 736 | for (I = 0; I < Name.size(); ++I) { |
| 737 | if (!isdigit(Name[I])) |
| 738 | break; |
| 739 | } |
| 740 | Name.substr(0, I).getAsInteger(10, T.NumVectors); |
| 741 | Name = Name.drop_front(I); |
| 742 | } |
| 743 | |
| 744 | (0) . __assert_fail ("Name.startswith(\"_t\") && \"Malformed typedef!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 744, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Name.startswith("_t") && "Malformed typedef!"); |
| 745 | return T; |
| 746 | } |
| 747 | |
| 748 | void Type::applyTypespec(bool &Quad) { |
| 749 | std::string S = TS; |
| 750 | ScalarForMangling = false; |
| 751 | Void = false; |
| 752 | Poly = Float = false; |
| 753 | ElementBitwidth = ~0U; |
| 754 | Signed = true; |
| 755 | NumVectors = 1; |
| 756 | |
| 757 | for (char I : S) { |
| 758 | switch (I) { |
| 759 | case 'S': |
| 760 | ScalarForMangling = true; |
| 761 | break; |
| 762 | case 'H': |
| 763 | NoManglingQ = true; |
| 764 | Quad = true; |
| 765 | break; |
| 766 | case 'Q': |
| 767 | Quad = true; |
| 768 | break; |
| 769 | case 'P': |
| 770 | Poly = true; |
| 771 | break; |
| 772 | case 'U': |
| 773 | Signed = false; |
| 774 | break; |
| 775 | case 'c': |
| 776 | ElementBitwidth = 8; |
| 777 | break; |
| 778 | case 'h': |
| 779 | Float = true; |
| 780 | LLVM_FALLTHROUGH; |
| 781 | case 's': |
| 782 | ElementBitwidth = 16; |
| 783 | break; |
| 784 | case 'f': |
| 785 | Float = true; |
| 786 | LLVM_FALLTHROUGH; |
| 787 | case 'i': |
| 788 | ElementBitwidth = 32; |
| 789 | break; |
| 790 | case 'd': |
| 791 | Float = true; |
| 792 | LLVM_FALLTHROUGH; |
| 793 | case 'l': |
| 794 | ElementBitwidth = 64; |
| 795 | break; |
| 796 | case 'k': |
| 797 | ElementBitwidth = 128; |
| 798 | |
| 799 | if (Poly) |
| 800 | NumVectors = 0; |
| 801 | break; |
| 802 | default: |
| 803 | llvm_unreachable("Unhandled type code!"); |
| 804 | } |
| 805 | } |
| 806 | (0) . __assert_fail ("ElementBitwidth != ~0U && \"Bad element bitwidth!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 806, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ElementBitwidth != ~0U && "Bad element bitwidth!"); |
| 807 | |
| 808 | Bitwidth = Quad ? 128 : 64; |
| 809 | } |
| 810 | |
| 811 | void Type::applyModifier(char Mod) { |
| 812 | bool AppliedQuad = false; |
| 813 | applyTypespec(AppliedQuad); |
| 814 | |
| 815 | switch (Mod) { |
| 816 | case 'v': |
| 817 | Void = true; |
| 818 | break; |
| 819 | case 't': |
| 820 | if (Poly) { |
| 821 | Poly = false; |
| 822 | Signed = false; |
| 823 | } |
| 824 | break; |
| 825 | case 'b': |
| 826 | Signed = false; |
| 827 | Float = false; |
| 828 | Poly = false; |
| 829 | NumVectors = 0; |
| 830 | Bitwidth = ElementBitwidth; |
| 831 | break; |
| 832 | case '$': |
| 833 | Signed = true; |
| 834 | Float = false; |
| 835 | Poly = false; |
| 836 | NumVectors = 0; |
| 837 | Bitwidth = ElementBitwidth; |
| 838 | break; |
| 839 | case 'u': |
| 840 | Signed = false; |
| 841 | Poly = false; |
| 842 | Float = false; |
| 843 | break; |
| 844 | case 'x': |
| 845 | Signed = true; |
| 846 | (0) . __assert_fail ("!Poly && \"'u' can't be used with poly types!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 846, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!Poly && "'u' can't be used with poly types!"); |
| 847 | Float = false; |
| 848 | break; |
| 849 | case 'o': |
| 850 | Bitwidth = ElementBitwidth = 64; |
| 851 | NumVectors = 0; |
| 852 | Float = true; |
| 853 | break; |
| 854 | case 'y': |
| 855 | Bitwidth = ElementBitwidth = 32; |
| 856 | NumVectors = 0; |
| 857 | Float = true; |
| 858 | break; |
| 859 | case 'Y': |
| 860 | Bitwidth = ElementBitwidth = 16; |
| 861 | NumVectors = 0; |
| 862 | Float = true; |
| 863 | break; |
| 864 | case 'I': |
| 865 | Bitwidth = ElementBitwidth = 32; |
| 866 | NumVectors = 0; |
| 867 | Float = false; |
| 868 | Signed = true; |
| 869 | break; |
| 870 | case 'L': |
| 871 | Bitwidth = ElementBitwidth = 64; |
| 872 | NumVectors = 0; |
| 873 | Float = false; |
| 874 | Signed = true; |
| 875 | break; |
| 876 | case 'U': |
| 877 | Bitwidth = ElementBitwidth = 32; |
| 878 | NumVectors = 0; |
| 879 | Float = false; |
| 880 | Signed = false; |
| 881 | break; |
| 882 | case 'O': |
| 883 | Bitwidth = ElementBitwidth = 64; |
| 884 | NumVectors = 0; |
| 885 | Float = false; |
| 886 | Signed = false; |
| 887 | break; |
| 888 | case 'f': |
| 889 | Float = true; |
| 890 | ElementBitwidth = 32; |
| 891 | break; |
| 892 | case 'F': |
| 893 | Float = true; |
| 894 | ElementBitwidth = 64; |
| 895 | break; |
| 896 | case 'H': |
| 897 | Float = true; |
| 898 | ElementBitwidth = 16; |
| 899 | break; |
| 900 | case '0': |
| 901 | Float = true; |
| 902 | if (AppliedQuad) |
| 903 | Bitwidth /= 2; |
| 904 | ElementBitwidth = 16; |
| 905 | break; |
| 906 | case '1': |
| 907 | Float = true; |
| 908 | if (!AppliedQuad) |
| 909 | Bitwidth *= 2; |
| 910 | ElementBitwidth = 16; |
| 911 | break; |
| 912 | case 'g': |
| 913 | if (AppliedQuad) |
| 914 | Bitwidth /= 2; |
| 915 | break; |
| 916 | case 'j': |
| 917 | if (!AppliedQuad) |
| 918 | Bitwidth *= 2; |
| 919 | break; |
| 920 | case 'w': |
| 921 | ElementBitwidth *= 2; |
| 922 | Bitwidth *= 2; |
| 923 | break; |
| 924 | case 'n': |
| 925 | ElementBitwidth *= 2; |
| 926 | break; |
| 927 | case 'i': |
| 928 | Float = false; |
| 929 | Poly = false; |
| 930 | ElementBitwidth = Bitwidth = 32; |
| 931 | NumVectors = 0; |
| 932 | Signed = true; |
| 933 | Immediate = true; |
| 934 | break; |
| 935 | case 'l': |
| 936 | Float = false; |
| 937 | Poly = false; |
| 938 | ElementBitwidth = Bitwidth = 64; |
| 939 | NumVectors = 0; |
| 940 | Signed = false; |
| 941 | Immediate = true; |
| 942 | break; |
| 943 | case 'z': |
| 944 | ElementBitwidth /= 2; |
| 945 | Bitwidth = ElementBitwidth; |
| 946 | NumVectors = 0; |
| 947 | break; |
| 948 | case 'r': |
| 949 | ElementBitwidth *= 2; |
| 950 | Bitwidth = ElementBitwidth; |
| 951 | NumVectors = 0; |
| 952 | break; |
| 953 | case 's': |
| 954 | case 'a': |
| 955 | Bitwidth = ElementBitwidth; |
| 956 | NumVectors = 0; |
| 957 | break; |
| 958 | case 'k': |
| 959 | Bitwidth *= 2; |
| 960 | break; |
| 961 | case 'c': |
| 962 | Constant = true; |
| 963 | LLVM_FALLTHROUGH; |
| 964 | case 'p': |
| 965 | Pointer = true; |
| 966 | Bitwidth = ElementBitwidth; |
| 967 | NumVectors = 0; |
| 968 | break; |
| 969 | case 'h': |
| 970 | ElementBitwidth /= 2; |
| 971 | break; |
| 972 | case 'q': |
| 973 | ElementBitwidth /= 2; |
| 974 | Bitwidth *= 2; |
| 975 | break; |
| 976 | case 'e': |
| 977 | ElementBitwidth /= 2; |
| 978 | Signed = false; |
| 979 | break; |
| 980 | case 'm': |
| 981 | ElementBitwidth /= 2; |
| 982 | Bitwidth /= 2; |
| 983 | break; |
| 984 | case 'd': |
| 985 | break; |
| 986 | case '2': |
| 987 | NumVectors = 2; |
| 988 | break; |
| 989 | case '3': |
| 990 | NumVectors = 3; |
| 991 | break; |
| 992 | case '4': |
| 993 | NumVectors = 4; |
| 994 | break; |
| 995 | case 'B': |
| 996 | NumVectors = 2; |
| 997 | if (!AppliedQuad) |
| 998 | Bitwidth *= 2; |
| 999 | break; |
| 1000 | case 'C': |
| 1001 | NumVectors = 3; |
| 1002 | if (!AppliedQuad) |
| 1003 | Bitwidth *= 2; |
| 1004 | break; |
| 1005 | case 'D': |
| 1006 | NumVectors = 4; |
| 1007 | if (!AppliedQuad) |
| 1008 | Bitwidth *= 2; |
| 1009 | break; |
| 1010 | case '7': |
| 1011 | if (AppliedQuad) |
| 1012 | Bitwidth /= 2; |
| 1013 | ElementBitwidth = 8; |
| 1014 | break; |
| 1015 | case '8': |
| 1016 | ElementBitwidth = 8; |
| 1017 | break; |
| 1018 | case '9': |
| 1019 | if (!AppliedQuad) |
| 1020 | Bitwidth *= 2; |
| 1021 | ElementBitwidth = 8; |
| 1022 | break; |
| 1023 | default: |
| 1024 | llvm_unreachable("Unhandled character!"); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | |
| 1029 | |
| 1030 | |
| 1031 | |
| 1032 | std::string Intrinsic::getInstTypeCode(Type T, ClassKind CK) const { |
| 1033 | char typeCode = '\0'; |
| 1034 | bool printNumber = true; |
| 1035 | |
| 1036 | if (CK == ClassB) |
| 1037 | return ""; |
| 1038 | |
| 1039 | if (T.isPoly()) |
| 1040 | typeCode = 'p'; |
| 1041 | else if (T.isInteger()) |
| 1042 | typeCode = T.isSigned() ? 's' : 'u'; |
| 1043 | else |
| 1044 | typeCode = 'f'; |
| 1045 | |
| 1046 | if (CK == ClassI) { |
| 1047 | switch (typeCode) { |
| 1048 | default: |
| 1049 | break; |
| 1050 | case 's': |
| 1051 | case 'u': |
| 1052 | case 'p': |
| 1053 | typeCode = 'i'; |
| 1054 | break; |
| 1055 | } |
| 1056 | } |
| 1057 | if (CK == ClassB) { |
| 1058 | typeCode = '\0'; |
| 1059 | } |
| 1060 | |
| 1061 | std::string S; |
| 1062 | if (typeCode != '\0') |
| 1063 | S.push_back(typeCode); |
| 1064 | if (printNumber) |
| 1065 | S += utostr(T.getElementSizeInBits()); |
| 1066 | |
| 1067 | return S; |
| 1068 | } |
| 1069 | |
| 1070 | static bool isFloatingPointProtoModifier(char Mod) { |
| 1071 | return Mod == 'F' || Mod == 'f' || Mod == 'H' || Mod == 'Y' || Mod == 'I'; |
| 1072 | } |
| 1073 | |
| 1074 | std::string Intrinsic::getBuiltinTypeStr() { |
| 1075 | ClassKind LocalCK = getClassKind(true); |
| 1076 | std::string S; |
| 1077 | |
| 1078 | Type RetT = getReturnType(); |
| 1079 | if ((LocalCK == ClassI || LocalCK == ClassW) && RetT.isScalar() && |
| 1080 | !RetT.isFloating()) |
| 1081 | RetT.makeInteger(RetT.getElementSizeInBits(), false); |
| 1082 | |
| 1083 | |
| 1084 | |
| 1085 | |
| 1086 | |
| 1087 | if (RetT.getNumVectors() > 1) { |
| 1088 | S += "vv*"; |
| 1089 | } else { |
| 1090 | if (RetT.isPoly()) |
| 1091 | RetT.makeInteger(RetT.getElementSizeInBits(), false); |
| 1092 | if (!RetT.isScalar() && !RetT.isSigned()) |
| 1093 | RetT.makeSigned(); |
| 1094 | |
| 1095 | bool ForcedVectorFloatingType = isFloatingPointProtoModifier(Proto[0]); |
| 1096 | if (LocalCK == ClassB && !RetT.isScalar() && !ForcedVectorFloatingType) |
| 1097 | |
| 1098 | RetT.makeInteger(8, true); |
| 1099 | |
| 1100 | S += RetT.builtin_str(); |
| 1101 | } |
| 1102 | |
| 1103 | for (unsigned I = 0; I < getNumParams(); ++I) { |
| 1104 | Type T = getParamType(I); |
| 1105 | if (T.isPoly()) |
| 1106 | T.makeInteger(T.getElementSizeInBits(), false); |
| 1107 | |
| 1108 | bool ForcedFloatingType = isFloatingPointProtoModifier(Proto[I + 1]); |
| 1109 | if (LocalCK == ClassB && !T.isScalar() && !ForcedFloatingType) |
| 1110 | T.makeInteger(8, true); |
| 1111 | |
| 1112 | if (T.isHalf() && T.isVector() && !T.isScalarForMangling()) |
| 1113 | T.makeInteger(8, true); |
| 1114 | |
| 1115 | if (LocalCK == ClassI) |
| 1116 | T.makeSigned(); |
| 1117 | |
| 1118 | if (hasImmediate() && getImmediateIdx() == I) |
| 1119 | T.makeImmediate(32); |
| 1120 | |
| 1121 | S += T.builtin_str(); |
| 1122 | } |
| 1123 | |
| 1124 | |
| 1125 | if (LocalCK == ClassB) |
| 1126 | S += "i"; |
| 1127 | |
| 1128 | return S; |
| 1129 | } |
| 1130 | |
| 1131 | std::string Intrinsic::getMangledName(bool ForceClassS) const { |
| 1132 | |
| 1133 | |
| 1134 | |
| 1135 | ClassKind LocalCK = CK; |
| 1136 | if (!protoHasScalar()) |
| 1137 | LocalCK = ClassB; |
| 1138 | |
| 1139 | return mangleName(Name, ForceClassS ? ClassS : LocalCK); |
| 1140 | } |
| 1141 | |
| 1142 | std::string Intrinsic::mangleName(std::string Name, ClassKind LocalCK) const { |
| 1143 | std::string typeCode = getInstTypeCode(BaseType, LocalCK); |
| 1144 | std::string S = Name; |
| 1145 | |
| 1146 | if (Name == "vcvt_f16_f32" || Name == "vcvt_f32_f16" || |
| 1147 | Name == "vcvt_f32_f64" || Name == "vcvt_f64_f32") |
| 1148 | return Name; |
| 1149 | |
| 1150 | if (!typeCode.empty()) { |
| 1151 | |
| 1152 | if (Name.size() >= 3 && isdigit(Name.back()) && |
| 1153 | Name[Name.length() - 2] == 'x' && Name[Name.length() - 3] == '_') |
| 1154 | S.insert(S.length() - 3, "_" + typeCode); |
| 1155 | else |
| 1156 | S += "_" + typeCode; |
| 1157 | } |
| 1158 | |
| 1159 | if (BaseType != InBaseType) { |
| 1160 | |
| 1161 | S += "_" + getInstTypeCode(InBaseType, LocalCK); |
| 1162 | } |
| 1163 | |
| 1164 | if (LocalCK == ClassB) |
| 1165 | S += "_v"; |
| 1166 | |
| 1167 | |
| 1168 | |
| 1169 | if (BaseType.getSizeInBits() == 128 && !BaseType.noManglingQ()) { |
| 1170 | size_t Pos = S.find('_'); |
| 1171 | S.insert(Pos, "q"); |
| 1172 | } |
| 1173 | |
| 1174 | char Suffix = '\0'; |
| 1175 | if (BaseType.isScalarForMangling()) { |
| 1176 | switch (BaseType.getElementSizeInBits()) { |
| 1177 | case 8: Suffix = 'b'; break; |
| 1178 | case 16: Suffix = 'h'; break; |
| 1179 | case 32: Suffix = 's'; break; |
| 1180 | case 64: Suffix = 'd'; break; |
| 1181 | default: llvm_unreachable("Bad suffix!"); |
| 1182 | } |
| 1183 | } |
| 1184 | if (Suffix != '\0') { |
| 1185 | size_t Pos = S.find('_'); |
| 1186 | S.insert(Pos, &Suffix, 1); |
| 1187 | } |
| 1188 | |
| 1189 | return S; |
| 1190 | } |
| 1191 | |
| 1192 | std::string Intrinsic::replaceParamsIn(std::string S) { |
| 1193 | while (S.find('$') != std::string::npos) { |
| 1194 | size_t Pos = S.find('$'); |
| 1195 | size_t End = Pos + 1; |
| 1196 | while (isalpha(S[End])) |
| 1197 | ++End; |
| 1198 | |
| 1199 | std::string VarName = S.substr(Pos + 1, End - Pos - 1); |
| 1200 | assert_with_loc(Variables.find(VarName) != Variables.end(), |
| 1201 | "Variable not defined!"); |
| 1202 | S.replace(Pos, End - Pos, Variables.find(VarName)->second.getName()); |
| 1203 | } |
| 1204 | |
| 1205 | return S; |
| 1206 | } |
| 1207 | |
| 1208 | void Intrinsic::initVariables() { |
| 1209 | Variables.clear(); |
| 1210 | |
| 1211 | |
| 1212 | |
| 1213 | for (unsigned I = 1; I < Proto.size(); ++I) { |
| 1214 | char NameC = '0' + (I - 1); |
| 1215 | std::string Name = "p"; |
| 1216 | Name.push_back(NameC); |
| 1217 | |
| 1218 | Variables[Name] = Variable(Types[I], Name + VariablePostfix); |
| 1219 | } |
| 1220 | RetVar = Variable(Types[0], "ret" + VariablePostfix); |
| 1221 | } |
| 1222 | |
| 1223 | void Intrinsic::emitPrototype(StringRef NamePrefix) { |
| 1224 | if (UseMacro) |
| 1225 | OS << "#define "; |
| 1226 | else |
| 1227 | OS << "__ai " << Types[0].str() << " "; |
| 1228 | |
| 1229 | OS << NamePrefix.str() << mangleName(Name, ClassS) << "("; |
| 1230 | |
| 1231 | for (unsigned I = 0; I < getNumParams(); ++I) { |
| 1232 | if (I != 0) |
| 1233 | OS << ", "; |
| 1234 | |
| 1235 | char NameC = '0' + I; |
| 1236 | std::string Name = "p"; |
| 1237 | Name.push_back(NameC); |
| 1238 | assert(Variables.find(Name) != Variables.end()); |
| 1239 | Variable &V = Variables[Name]; |
| 1240 | |
| 1241 | if (!UseMacro) |
| 1242 | OS << V.getType().str() << " "; |
| 1243 | OS << V.getName(); |
| 1244 | } |
| 1245 | |
| 1246 | OS << ")"; |
| 1247 | } |
| 1248 | |
| 1249 | void Intrinsic::emitOpeningBrace() { |
| 1250 | if (UseMacro) |
| 1251 | OS << " __extension__ ({"; |
| 1252 | else |
| 1253 | OS << " {"; |
| 1254 | emitNewLine(); |
| 1255 | } |
| 1256 | |
| 1257 | void Intrinsic::emitClosingBrace() { |
| 1258 | if (UseMacro) |
| 1259 | OS << "})"; |
| 1260 | else |
| 1261 | OS << "}"; |
| 1262 | } |
| 1263 | |
| 1264 | void Intrinsic::emitNewLine() { |
| 1265 | if (UseMacro) |
| 1266 | OS << " \\\n"; |
| 1267 | else |
| 1268 | OS << "\n"; |
| 1269 | } |
| 1270 | |
| 1271 | void Intrinsic::emitReverseVariable(Variable &Dest, Variable &Src) { |
| 1272 | if (Dest.getType().getNumVectors() > 1) { |
| 1273 | emitNewLine(); |
| 1274 | |
| 1275 | for (unsigned K = 0; K < Dest.getType().getNumVectors(); ++K) { |
| 1276 | OS << " " << Dest.getName() << ".val[" << K << "] = " |
| 1277 | << "__builtin_shufflevector(" |
| 1278 | << Src.getName() << ".val[" << K << "], " |
| 1279 | << Src.getName() << ".val[" << K << "]"; |
| 1280 | for (int J = Dest.getType().getNumElements() - 1; J >= 0; --J) |
| 1281 | OS << ", " << J; |
| 1282 | OS << ");"; |
| 1283 | emitNewLine(); |
| 1284 | } |
| 1285 | } else { |
| 1286 | OS << " " << Dest.getName() |
| 1287 | << " = __builtin_shufflevector(" << Src.getName() << ", " << Src.getName(); |
| 1288 | for (int J = Dest.getType().getNumElements() - 1; J >= 0; --J) |
| 1289 | OS << ", " << J; |
| 1290 | OS << ");"; |
| 1291 | emitNewLine(); |
| 1292 | } |
| 1293 | } |
| 1294 | |
| 1295 | void Intrinsic::emitArgumentReversal() { |
| 1296 | if (BigEndianSafe) |
| 1297 | return; |
| 1298 | |
| 1299 | |
| 1300 | for (unsigned I = 0; I < getNumParams(); ++I) { |
| 1301 | std::string Name = "p" + utostr(I); |
| 1302 | std::string NewName = "rev" + utostr(I); |
| 1303 | |
| 1304 | Variable &V = Variables[Name]; |
| 1305 | Variable NewV(V.getType(), NewName + VariablePostfix); |
| 1306 | |
| 1307 | if (!NewV.getType().isVector() || NewV.getType().getNumElements() == 1) |
| 1308 | continue; |
| 1309 | |
| 1310 | OS << " " << NewV.getType().str() << " " << NewV.getName() << ";"; |
| 1311 | emitReverseVariable(NewV, V); |
| 1312 | V = NewV; |
| 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | void Intrinsic::emitReturnReversal() { |
| 1317 | if (BigEndianSafe) |
| 1318 | return; |
| 1319 | if (!getReturnType().isVector() || getReturnType().isVoid() || |
| 1320 | getReturnType().getNumElements() == 1) |
| 1321 | return; |
| 1322 | emitReverseVariable(RetVar, RetVar); |
| 1323 | } |
| 1324 | |
| 1325 | void Intrinsic::emitShadowedArgs() { |
| 1326 | |
| 1327 | |
| 1328 | if (!UseMacro) |
| 1329 | return; |
| 1330 | |
| 1331 | for (unsigned I = 0; I < getNumParams(); ++I) { |
| 1332 | |
| 1333 | |
| 1334 | if (hasImmediate() && Proto[I+1] == 'i') |
| 1335 | continue; |
| 1336 | |
| 1337 | |
| 1338 | if (getParamType(I).isPointer()) |
| 1339 | continue; |
| 1340 | |
| 1341 | std::string Name = "p" + utostr(I); |
| 1342 | |
| 1343 | assert(Variables.find(Name) != Variables.end()); |
| 1344 | Variable &V = Variables[Name]; |
| 1345 | |
| 1346 | std::string NewName = "s" + utostr(I); |
| 1347 | Variable V2(V.getType(), NewName + VariablePostfix); |
| 1348 | |
| 1349 | OS << " " << V2.getType().str() << " " << V2.getName() << " = " |
| 1350 | << V.getName() << ";"; |
| 1351 | emitNewLine(); |
| 1352 | |
| 1353 | V = V2; |
| 1354 | } |
| 1355 | } |
| 1356 | |
| 1357 | |
| 1358 | |
| 1359 | bool Intrinsic::protoHasScalar() const { |
| 1360 | return (Proto.find('s') != std::string::npos || |
| 1361 | Proto.find('z') != std::string::npos || |
| 1362 | Proto.find('r') != std::string::npos || |
| 1363 | Proto.find('b') != std::string::npos || |
| 1364 | Proto.find('$') != std::string::npos || |
| 1365 | Proto.find('y') != std::string::npos || |
| 1366 | Proto.find('o') != std::string::npos); |
| 1367 | } |
| 1368 | |
| 1369 | void Intrinsic::emitBodyAsBuiltinCall() { |
| 1370 | std::string S; |
| 1371 | |
| 1372 | |
| 1373 | |
| 1374 | bool SRet = getReturnType().getNumVectors() >= 2; |
| 1375 | |
| 1376 | StringRef N = Name; |
| 1377 | if (hasSplat()) { |
| 1378 | |
| 1379 | (0) . __assert_fail ("N.endswith(\"_n\")", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 1379, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(N.endswith("_n")); |
| 1380 | N = N.drop_back(2); |
| 1381 | } |
| 1382 | |
| 1383 | ClassKind LocalCK = CK; |
| 1384 | if (!protoHasScalar()) |
| 1385 | LocalCK = ClassB; |
| 1386 | |
| 1387 | if (!getReturnType().isVoid() && !SRet) |
| 1388 | S += "(" + RetVar.getType().str() + ") "; |
| 1389 | |
| 1390 | S += "__builtin_neon_" + mangleName(N, LocalCK) + "("; |
| 1391 | |
| 1392 | if (SRet) |
| 1393 | S += "&" + RetVar.getName() + ", "; |
| 1394 | |
| 1395 | for (unsigned I = 0; I < getNumParams(); ++I) { |
| 1396 | Variable &V = Variables["p" + utostr(I)]; |
| 1397 | Type T = V.getType(); |
| 1398 | |
| 1399 | |
| 1400 | |
| 1401 | if (T.getNumVectors() > 1) { |
| 1402 | |
| 1403 | std::string Cast; |
| 1404 | if (T.isChar() || T.isPoly() || !T.isSigned()) { |
| 1405 | Type T2 = T; |
| 1406 | T2.makeOneVector(); |
| 1407 | T2.makeInteger(8, ); |
| 1408 | Cast = "(" + T2.str() + ")"; |
| 1409 | } |
| 1410 | |
| 1411 | for (unsigned J = 0; J < T.getNumVectors(); ++J) |
| 1412 | S += Cast + V.getName() + ".val[" + utostr(J) + "], "; |
| 1413 | continue; |
| 1414 | } |
| 1415 | |
| 1416 | std::string Arg; |
| 1417 | Type CastToType = T; |
| 1418 | if (hasSplat() && I == getSplatIdx()) { |
| 1419 | Arg = "(" + BaseType.str() + ") {"; |
| 1420 | for (unsigned J = 0; J < BaseType.getNumElements(); ++J) { |
| 1421 | if (J != 0) |
| 1422 | Arg += ", "; |
| 1423 | Arg += V.getName(); |
| 1424 | } |
| 1425 | Arg += "}"; |
| 1426 | |
| 1427 | CastToType = BaseType; |
| 1428 | } else { |
| 1429 | Arg = V.getName(); |
| 1430 | } |
| 1431 | |
| 1432 | |
| 1433 | if (CastToType.isVector()) { |
| 1434 | CastToType.makeInteger(8, true); |
| 1435 | Arg = "(" + CastToType.str() + ")" + Arg; |
| 1436 | } |
| 1437 | |
| 1438 | S += Arg + ", "; |
| 1439 | } |
| 1440 | |
| 1441 | |
| 1442 | if (getClassKind(true) == ClassB) { |
| 1443 | Type ThisTy = getReturnType(); |
| 1444 | if (Proto[0] == 'v' || isFloatingPointProtoModifier(Proto[0])) |
| 1445 | ThisTy = getParamType(0); |
| 1446 | if (ThisTy.isPointer()) |
| 1447 | ThisTy = getParamType(1); |
| 1448 | |
| 1449 | S += utostr(ThisTy.getNeonEnum()); |
| 1450 | } else { |
| 1451 | |
| 1452 | S.pop_back(); |
| 1453 | S.pop_back(); |
| 1454 | } |
| 1455 | S += ");"; |
| 1456 | |
| 1457 | std::string RetExpr; |
| 1458 | if (!SRet && !RetVar.getType().isVoid()) |
| 1459 | RetExpr = RetVar.getName() + " = "; |
| 1460 | |
| 1461 | OS << " " << RetExpr << S; |
| 1462 | emitNewLine(); |
| 1463 | } |
| 1464 | |
| 1465 | void Intrinsic::emitBody(StringRef CallPrefix) { |
| 1466 | std::vector<std::string> Lines; |
| 1467 | |
| 1468 | assert(RetVar.getType() == Types[0]); |
| 1469 | |
| 1470 | if (!RetVar.getType().isVoid()) { |
| 1471 | OS << " " << RetVar.getType().str() << " " << RetVar.getName() << ";"; |
| 1472 | emitNewLine(); |
| 1473 | } |
| 1474 | |
| 1475 | if (!Body || Body->getValues().empty()) { |
| 1476 | |
| 1477 | emitBodyAsBuiltinCall(); |
| 1478 | return; |
| 1479 | } |
| 1480 | |
| 1481 | |
| 1482 | for (auto *I : Body->getValues()) { |
| 1483 | if (StringInit *SI = dyn_cast<StringInit>(I)) { |
| 1484 | Lines.push_back(replaceParamsIn(SI->getAsString())); |
| 1485 | } else if (DagInit *DI = dyn_cast<DagInit>(I)) { |
| 1486 | DagEmitter DE(*this, CallPrefix); |
| 1487 | Lines.push_back(DE.emitDag(DI).second + ";"); |
| 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | (0) . __assert_fail ("!Lines.empty() && \"Empty def?\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 1491, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!Lines.empty() && "Empty def?"); |
| 1492 | if (!RetVar.getType().isVoid()) |
| 1493 | Lines.back().insert(0, RetVar.getName() + " = "); |
| 1494 | |
| 1495 | for (auto &L : Lines) { |
| 1496 | OS << " " << L; |
| 1497 | emitNewLine(); |
| 1498 | } |
| 1499 | } |
| 1500 | |
| 1501 | void Intrinsic::emitReturn() { |
| 1502 | if (RetVar.getType().isVoid()) |
| 1503 | return; |
| 1504 | if (UseMacro) |
| 1505 | OS << " " << RetVar.getName() << ";"; |
| 1506 | else |
| 1507 | OS << " return " << RetVar.getName() << ";"; |
| 1508 | emitNewLine(); |
| 1509 | } |
| 1510 | |
| 1511 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDag(DagInit *DI) { |
| 1512 | |
| 1513 | DefInit *DefI = cast<DefInit>(DI->getOperator()); |
| 1514 | std::string Op = DefI->getAsString(); |
| 1515 | |
| 1516 | if (Op == "cast" || Op == "bitcast") |
| 1517 | return emitDagCast(DI, Op == "bitcast"); |
| 1518 | if (Op == "shuffle") |
| 1519 | return emitDagShuffle(DI); |
| 1520 | if (Op == "dup") |
| 1521 | return emitDagDup(DI); |
| 1522 | if (Op == "dup_typed") |
| 1523 | return emitDagDupTyped(DI); |
| 1524 | if (Op == "splat") |
| 1525 | return emitDagSplat(DI); |
| 1526 | if (Op == "save_temp") |
| 1527 | return emitDagSaveTemp(DI); |
| 1528 | if (Op == "op") |
| 1529 | return emitDagOp(DI); |
| 1530 | if (Op == "call") |
| 1531 | return emitDagCall(DI); |
| 1532 | if (Op == "name_replace") |
| 1533 | return emitDagNameReplace(DI); |
| 1534 | if (Op == "literal") |
| 1535 | return emitDagLiteral(DI); |
| 1536 | assert_with_loc(false, "Unknown operation!"); |
| 1537 | return std::make_pair(Type::getVoid(), ""); |
| 1538 | } |
| 1539 | |
| 1540 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagOp(DagInit *DI) { |
| 1541 | std::string Op = cast<StringInit>(DI->getArg(0))->getAsUnquotedString(); |
| 1542 | if (DI->getNumArgs() == 2) { |
| 1543 | |
| 1544 | std::pair<Type, std::string> R = |
| 1545 | emitDagArg(DI->getArg(1), DI->getArgNameStr(1)); |
| 1546 | return std::make_pair(R.first, Op + R.second); |
| 1547 | } else { |
| 1548 | (0) . __assert_fail ("DI->getNumArgs() == 3 && \"Can only handle unary and binary ops!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 1548, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(DI->getNumArgs() == 3 && "Can only handle unary and binary ops!"); |
| 1549 | std::pair<Type, std::string> R1 = |
| 1550 | emitDagArg(DI->getArg(1), DI->getArgNameStr(1)); |
| 1551 | std::pair<Type, std::string> R2 = |
| 1552 | emitDagArg(DI->getArg(2), DI->getArgNameStr(2)); |
| 1553 | assert_with_loc(R1.first == R2.first, "Argument type mismatch!"); |
| 1554 | return std::make_pair(R1.first, R1.second + " " + Op + " " + R2.second); |
| 1555 | } |
| 1556 | } |
| 1557 | |
| 1558 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagCall(DagInit *DI) { |
| 1559 | std::vector<Type> Types; |
| 1560 | std::vector<std::string> Values; |
| 1561 | for (unsigned I = 0; I < DI->getNumArgs() - 1; ++I) { |
| 1562 | std::pair<Type, std::string> R = |
| 1563 | emitDagArg(DI->getArg(I + 1), DI->getArgNameStr(I + 1)); |
| 1564 | Types.push_back(R.first); |
| 1565 | Values.push_back(R.second); |
| 1566 | } |
| 1567 | |
| 1568 | |
| 1569 | std::string N; |
| 1570 | if (StringInit *SI = dyn_cast<StringInit>(DI->getArg(0))) |
| 1571 | N = SI->getAsUnquotedString(); |
| 1572 | else |
| 1573 | N = emitDagArg(DI->getArg(0), "").second; |
| 1574 | Intrinsic &Callee = Intr.Emitter.getIntrinsic(N, Types); |
| 1575 | |
| 1576 | |
| 1577 | Callee.setNeededEarly(); |
| 1578 | Intr.Dependencies.insert(&Callee); |
| 1579 | |
| 1580 | |
| 1581 | std::string S = CallPrefix.str() + Callee.getMangledName(true) + "("; |
| 1582 | for (unsigned I = 0; I < DI->getNumArgs() - 1; ++I) { |
| 1583 | if (I != 0) |
| 1584 | S += ", "; |
| 1585 | S += Values[I]; |
| 1586 | } |
| 1587 | S += ")"; |
| 1588 | |
| 1589 | return std::make_pair(Callee.getReturnType(), S); |
| 1590 | } |
| 1591 | |
| 1592 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagCast(DagInit *DI, |
| 1593 | bool IsBitCast){ |
| 1594 | |
| 1595 | std::pair<Type, std::string> R = emitDagArg( |
| 1596 | DI->getArg(DI->getNumArgs() - 1), |
| 1597 | DI->getArgNameStr(DI->getNumArgs() - 1)); |
| 1598 | Type castToType = R.first; |
| 1599 | for (unsigned ArgIdx = 0; ArgIdx < DI->getNumArgs() - 1; ++ArgIdx) { |
| 1600 | |
| 1601 | |
| 1602 | |
| 1603 | |
| 1604 | |
| 1605 | |
| 1606 | |
| 1607 | |
| 1608 | if (!DI->getArgNameStr(ArgIdx).empty()) { |
| 1609 | assert_with_loc(Intr.Variables.find(DI->getArgNameStr(ArgIdx)) != |
| 1610 | Intr.Variables.end(), |
| 1611 | "Variable not found"); |
| 1612 | castToType = Intr.Variables[DI->getArgNameStr(ArgIdx)].getType(); |
| 1613 | } else { |
| 1614 | StringInit *SI = dyn_cast<StringInit>(DI->getArg(ArgIdx)); |
| 1615 | assert_with_loc(SI, "Expected string type or $Name for cast type"); |
| 1616 | |
| 1617 | if (SI->getAsUnquotedString() == "R") { |
| 1618 | castToType = Intr.getReturnType(); |
| 1619 | } else if (SI->getAsUnquotedString() == "U") { |
| 1620 | castToType.makeUnsigned(); |
| 1621 | } else if (SI->getAsUnquotedString() == "S") { |
| 1622 | castToType.makeSigned(); |
| 1623 | } else if (SI->getAsUnquotedString() == "H") { |
| 1624 | castToType.halveLanes(); |
| 1625 | } else if (SI->getAsUnquotedString() == "D") { |
| 1626 | castToType.doubleLanes(); |
| 1627 | } else if (SI->getAsUnquotedString() == "8") { |
| 1628 | castToType.makeInteger(8, true); |
| 1629 | } else { |
| 1630 | castToType = Type::fromTypedefName(SI->getAsUnquotedString()); |
| 1631 | assert_with_loc(!castToType.isVoid(), "Unknown typedef"); |
| 1632 | } |
| 1633 | } |
| 1634 | } |
| 1635 | |
| 1636 | std::string S; |
| 1637 | if (IsBitCast) { |
| 1638 | |
| 1639 | |
| 1640 | std::string N = "reint"; |
| 1641 | unsigned I = 0; |
| 1642 | while (Intr.Variables.find(N) != Intr.Variables.end()) |
| 1643 | N = "reint" + utostr(++I); |
| 1644 | Intr.Variables[N] = Variable(R.first, N + Intr.VariablePostfix); |
| 1645 | |
| 1646 | Intr.OS << R.first.str() << " " << Intr.Variables[N].getName() << " = " |
| 1647 | << R.second << ";"; |
| 1648 | Intr.emitNewLine(); |
| 1649 | |
| 1650 | S = "*(" + castToType.str() + " *) &" + Intr.Variables[N].getName() + ""; |
| 1651 | } else { |
| 1652 | |
| 1653 | S = "(" + castToType.str() + ")(" + R.second + ")"; |
| 1654 | } |
| 1655 | |
| 1656 | return std::make_pair(castToType, S); |
| 1657 | } |
| 1658 | |
| 1659 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagShuffle(DagInit *DI){ |
| 1660 | |
| 1661 | class LowHalf : public SetTheory::Operator { |
| 1662 | public: |
| 1663 | void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts, |
| 1664 | ArrayRef<SMLoc> Loc) override { |
| 1665 | SetTheory::RecSet Elts2; |
| 1666 | ST.evaluate(Expr->arg_begin(), Expr->arg_end(), Elts2, Loc); |
| 1667 | Elts.insert(Elts2.begin(), Elts2.begin() + (Elts2.size() / 2)); |
| 1668 | } |
| 1669 | }; |
| 1670 | |
| 1671 | class HighHalf : public SetTheory::Operator { |
| 1672 | public: |
| 1673 | void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts, |
| 1674 | ArrayRef<SMLoc> Loc) override { |
| 1675 | SetTheory::RecSet Elts2; |
| 1676 | ST.evaluate(Expr->arg_begin(), Expr->arg_end(), Elts2, Loc); |
| 1677 | Elts.insert(Elts2.begin() + (Elts2.size() / 2), Elts2.end()); |
| 1678 | } |
| 1679 | }; |
| 1680 | |
| 1681 | class Rev : public SetTheory::Operator { |
| 1682 | unsigned ElementSize; |
| 1683 | |
| 1684 | public: |
| 1685 | Rev(unsigned ElementSize) : ElementSize(ElementSize) {} |
| 1686 | |
| 1687 | void apply(SetTheory &ST, DagInit *Expr, SetTheory::RecSet &Elts, |
| 1688 | ArrayRef<SMLoc> Loc) override { |
| 1689 | SetTheory::RecSet Elts2; |
| 1690 | ST.evaluate(Expr->arg_begin() + 1, Expr->arg_end(), Elts2, Loc); |
| 1691 | |
| 1692 | int64_t VectorSize = cast<IntInit>(Expr->getArg(0))->getValue(); |
| 1693 | VectorSize /= ElementSize; |
| 1694 | |
| 1695 | std::vector<Record *> Revved; |
| 1696 | for (unsigned VI = 0; VI < Elts2.size(); VI += VectorSize) { |
| 1697 | for (int LI = VectorSize - 1; LI >= 0; --LI) { |
| 1698 | Revved.push_back(Elts2[VI + LI]); |
| 1699 | } |
| 1700 | } |
| 1701 | |
| 1702 | Elts.insert(Revved.begin(), Revved.end()); |
| 1703 | } |
| 1704 | }; |
| 1705 | |
| 1706 | class MaskExpander : public SetTheory::Expander { |
| 1707 | unsigned N; |
| 1708 | |
| 1709 | public: |
| 1710 | MaskExpander(unsigned N) : N(N) {} |
| 1711 | |
| 1712 | void expand(SetTheory &ST, Record *R, SetTheory::RecSet &Elts) override { |
| 1713 | unsigned Addend = 0; |
| 1714 | if (R->getName() == "mask0") |
| 1715 | Addend = 0; |
| 1716 | else if (R->getName() == "mask1") |
| 1717 | Addend = N; |
| 1718 | else |
| 1719 | return; |
| 1720 | for (unsigned I = 0; I < N; ++I) |
| 1721 | Elts.insert(R->getRecords().getDef("sv" + utostr(I + Addend))); |
| 1722 | } |
| 1723 | }; |
| 1724 | |
| 1725 | |
| 1726 | std::pair<Type, std::string> Arg1 = |
| 1727 | emitDagArg(DI->getArg(0), DI->getArgNameStr(0)); |
| 1728 | std::pair<Type, std::string> Arg2 = |
| 1729 | emitDagArg(DI->getArg(1), DI->getArgNameStr(1)); |
| 1730 | assert_with_loc(Arg1.first == Arg2.first, |
| 1731 | "Different types in arguments to shuffle!"); |
| 1732 | |
| 1733 | SetTheory ST; |
| 1734 | SetTheory::RecSet Elts; |
| 1735 | ST.addOperator("lowhalf", llvm::make_unique<LowHalf>()); |
| 1736 | ST.addOperator("highhalf", llvm::make_unique<HighHalf>()); |
| 1737 | ST.addOperator("rev", |
| 1738 | llvm::make_unique<Rev>(Arg1.first.getElementSizeInBits())); |
| 1739 | ST.addExpander("MaskExpand", |
| 1740 | llvm::make_unique<MaskExpander>(Arg1.first.getNumElements())); |
| 1741 | ST.evaluate(DI->getArg(2), Elts, None); |
| 1742 | |
| 1743 | std::string S = "__builtin_shufflevector(" + Arg1.second + ", " + Arg2.second; |
| 1744 | for (auto &E : Elts) { |
| 1745 | StringRef Name = E->getName(); |
| 1746 | assert_with_loc(Name.startswith("sv"), |
| 1747 | "Incorrect element kind in shuffle mask!"); |
| 1748 | S += ", " + Name.drop_front(2).str(); |
| 1749 | } |
| 1750 | S += ")"; |
| 1751 | |
| 1752 | |
| 1753 | Type T(Arg1.first); |
| 1754 | if (Elts.size() > T.getNumElements()) { |
| 1755 | assert_with_loc( |
| 1756 | Elts.size() == T.getNumElements() * 2, |
| 1757 | "Can only double or half the number of elements in a shuffle!"); |
| 1758 | T.doubleLanes(); |
| 1759 | } else if (Elts.size() < T.getNumElements()) { |
| 1760 | assert_with_loc( |
| 1761 | Elts.size() == T.getNumElements() / 2, |
| 1762 | "Can only double or half the number of elements in a shuffle!"); |
| 1763 | T.halveLanes(); |
| 1764 | } |
| 1765 | |
| 1766 | return std::make_pair(T, S); |
| 1767 | } |
| 1768 | |
| 1769 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagDup(DagInit *DI) { |
| 1770 | assert_with_loc(DI->getNumArgs() == 1, "dup() expects one argument"); |
| 1771 | std::pair<Type, std::string> A = emitDagArg(DI->getArg(0), |
| 1772 | DI->getArgNameStr(0)); |
| 1773 | assert_with_loc(A.first.isScalar(), "dup() expects a scalar argument"); |
| 1774 | |
| 1775 | Type T = Intr.getBaseType(); |
| 1776 | assert_with_loc(T.isVector(), "dup() used but default type is scalar!"); |
| 1777 | std::string S = "(" + T.str() + ") {"; |
| 1778 | for (unsigned I = 0; I < T.getNumElements(); ++I) { |
| 1779 | if (I != 0) |
| 1780 | S += ", "; |
| 1781 | S += A.second; |
| 1782 | } |
| 1783 | S += "}"; |
| 1784 | |
| 1785 | return std::make_pair(T, S); |
| 1786 | } |
| 1787 | |
| 1788 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagDupTyped(DagInit *DI) { |
| 1789 | assert_with_loc(DI->getNumArgs() == 2, "dup_typed() expects two arguments"); |
| 1790 | std::pair<Type, std::string> A = emitDagArg(DI->getArg(0), |
| 1791 | DI->getArgNameStr(0)); |
| 1792 | std::pair<Type, std::string> B = emitDagArg(DI->getArg(1), |
| 1793 | DI->getArgNameStr(1)); |
| 1794 | assert_with_loc(B.first.isScalar(), |
| 1795 | "dup_typed() requires a scalar as the second argument"); |
| 1796 | |
| 1797 | Type T = A.first; |
| 1798 | assert_with_loc(T.isVector(), "dup_typed() used but target type is scalar!"); |
| 1799 | std::string S = "(" + T.str() + ") {"; |
| 1800 | for (unsigned I = 0; I < T.getNumElements(); ++I) { |
| 1801 | if (I != 0) |
| 1802 | S += ", "; |
| 1803 | S += B.second; |
| 1804 | } |
| 1805 | S += "}"; |
| 1806 | |
| 1807 | return std::make_pair(T, S); |
| 1808 | } |
| 1809 | |
| 1810 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagSplat(DagInit *DI) { |
| 1811 | assert_with_loc(DI->getNumArgs() == 2, "splat() expects two arguments"); |
| 1812 | std::pair<Type, std::string> A = emitDagArg(DI->getArg(0), |
| 1813 | DI->getArgNameStr(0)); |
| 1814 | std::pair<Type, std::string> B = emitDagArg(DI->getArg(1), |
| 1815 | DI->getArgNameStr(1)); |
| 1816 | |
| 1817 | assert_with_loc(B.first.isScalar(), |
| 1818 | "splat() requires a scalar int as the second argument"); |
| 1819 | |
| 1820 | std::string S = "__builtin_shufflevector(" + A.second + ", " + A.second; |
| 1821 | for (unsigned I = 0; I < Intr.getBaseType().getNumElements(); ++I) { |
| 1822 | S += ", " + B.second; |
| 1823 | } |
| 1824 | S += ")"; |
| 1825 | |
| 1826 | return std::make_pair(Intr.getBaseType(), S); |
| 1827 | } |
| 1828 | |
| 1829 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagSaveTemp(DagInit *DI) { |
| 1830 | assert_with_loc(DI->getNumArgs() == 2, "save_temp() expects two arguments"); |
| 1831 | std::pair<Type, std::string> A = emitDagArg(DI->getArg(1), |
| 1832 | DI->getArgNameStr(1)); |
| 1833 | |
| 1834 | assert_with_loc(!A.first.isVoid(), |
| 1835 | "Argument to save_temp() must have non-void type!"); |
| 1836 | |
| 1837 | std::string N = DI->getArgNameStr(0); |
| 1838 | assert_with_loc(!N.empty(), |
| 1839 | "save_temp() expects a name as the first argument"); |
| 1840 | |
| 1841 | assert_with_loc(Intr.Variables.find(N) == Intr.Variables.end(), |
| 1842 | "Variable already defined!"); |
| 1843 | Intr.Variables[N] = Variable(A.first, N + Intr.VariablePostfix); |
| 1844 | |
| 1845 | std::string S = |
| 1846 | A.first.str() + " " + Intr.Variables[N].getName() + " = " + A.second; |
| 1847 | |
| 1848 | return std::make_pair(Type::getVoid(), S); |
| 1849 | } |
| 1850 | |
| 1851 | std::pair<Type, std::string> |
| 1852 | Intrinsic::DagEmitter::emitDagNameReplace(DagInit *DI) { |
| 1853 | std::string S = Intr.Name; |
| 1854 | |
| 1855 | assert_with_loc(DI->getNumArgs() == 2, "name_replace requires 2 arguments!"); |
| 1856 | std::string ToReplace = cast<StringInit>(DI->getArg(0))->getAsUnquotedString(); |
| 1857 | std::string ReplaceWith = cast<StringInit>(DI->getArg(1))->getAsUnquotedString(); |
| 1858 | |
| 1859 | size_t Idx = S.find(ToReplace); |
| 1860 | |
| 1861 | assert_with_loc(Idx != std::string::npos, "name should contain '" + ToReplace + "'!"); |
| 1862 | S.replace(Idx, ToReplace.size(), ReplaceWith); |
| 1863 | |
| 1864 | return std::make_pair(Type::getVoid(), S); |
| 1865 | } |
| 1866 | |
| 1867 | std::pair<Type, std::string> Intrinsic::DagEmitter::emitDagLiteral(DagInit *DI){ |
| 1868 | std::string Ty = cast<StringInit>(DI->getArg(0))->getAsUnquotedString(); |
| 1869 | std::string Value = cast<StringInit>(DI->getArg(1))->getAsUnquotedString(); |
| 1870 | return std::make_pair(Type::fromTypedefName(Ty), Value); |
| 1871 | } |
| 1872 | |
| 1873 | std::pair<Type, std::string> |
| 1874 | Intrinsic::DagEmitter::emitDagArg(Init *Arg, std::string ArgName) { |
| 1875 | if (!ArgName.empty()) { |
| 1876 | assert_with_loc(!Arg->isComplete(), |
| 1877 | "Arguments must either be DAGs or names, not both!"); |
| 1878 | assert_with_loc(Intr.Variables.find(ArgName) != Intr.Variables.end(), |
| 1879 | "Variable not defined!"); |
| 1880 | Variable &V = Intr.Variables[ArgName]; |
| 1881 | return std::make_pair(V.getType(), V.getName()); |
| 1882 | } |
| 1883 | |
| 1884 | (0) . __assert_fail ("Arg && \"Neither ArgName nor Arg?!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 1884, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Arg && "Neither ArgName nor Arg?!"); |
| 1885 | DagInit *DI = dyn_cast<DagInit>(Arg); |
| 1886 | assert_with_loc(DI, "Arguments must either be DAGs or names!"); |
| 1887 | |
| 1888 | return emitDag(DI); |
| 1889 | } |
| 1890 | |
| 1891 | std::string Intrinsic::generate() { |
| 1892 | |
| 1893 | |
| 1894 | OS << "#ifdef __LITTLE_ENDIAN__\n"; |
| 1895 | |
| 1896 | generateImpl(false, "", ""); |
| 1897 | |
| 1898 | OS << "#else\n"; |
| 1899 | |
| 1900 | |
| 1901 | |
| 1902 | |
| 1903 | |
| 1904 | |
| 1905 | |
| 1906 | |
| 1907 | generateImpl(true, "", "__noswap_"); |
| 1908 | |
| 1909 | |
| 1910 | |
| 1911 | if (NeededEarly) { |
| 1912 | generateImpl(false, "__noswap_", "__noswap_"); |
| 1913 | } |
| 1914 | OS << "#endif\n\n"; |
| 1915 | |
| 1916 | return OS.str(); |
| 1917 | } |
| 1918 | |
| 1919 | void Intrinsic::generateImpl(bool ReverseArguments, |
| 1920 | StringRef NamePrefix, StringRef CallPrefix) { |
| 1921 | CurrentRecord = R; |
| 1922 | |
| 1923 | |
| 1924 | |
| 1925 | |
| 1926 | |
| 1927 | |
| 1928 | for (auto *I : Dependencies) |
| 1929 | if (I->UseMacro) { |
| 1930 | VariablePostfix = "_" + utostr(Emitter.getUniqueNumber()); |
| 1931 | break; |
| 1932 | } |
| 1933 | |
| 1934 | initVariables(); |
| 1935 | |
| 1936 | emitPrototype(NamePrefix); |
| 1937 | |
| 1938 | if (IsUnavailable) { |
| 1939 | OS << " __attribute__((unavailable));"; |
| 1940 | } else { |
| 1941 | emitOpeningBrace(); |
| 1942 | emitShadowedArgs(); |
| 1943 | if (ReverseArguments) |
| 1944 | emitArgumentReversal(); |
| 1945 | emitBody(CallPrefix); |
| 1946 | if (ReverseArguments) |
| 1947 | emitReturnReversal(); |
| 1948 | emitReturn(); |
| 1949 | emitClosingBrace(); |
| 1950 | } |
| 1951 | OS << "\n"; |
| 1952 | |
| 1953 | CurrentRecord = nullptr; |
| 1954 | } |
| 1955 | |
| 1956 | void Intrinsic::indexBody() { |
| 1957 | CurrentRecord = R; |
| 1958 | |
| 1959 | initVariables(); |
| 1960 | emitBody(""); |
| 1961 | OS.str(""); |
| 1962 | |
| 1963 | CurrentRecord = nullptr; |
| 1964 | } |
| 1965 | |
| 1966 | |
| 1967 | |
| 1968 | |
| 1969 | |
| 1970 | Intrinsic &NeonEmitter::getIntrinsic(StringRef Name, ArrayRef<Type> Types) { |
| 1971 | |
| 1972 | assert_with_loc(IntrinsicMap.find(Name.str()) != IntrinsicMap.end(), |
| 1973 | ("Intrinsic '" + Name + "' not found!").str()); |
| 1974 | auto &V = IntrinsicMap.find(Name.str())->second; |
| 1975 | std::vector<Intrinsic *> GoodVec; |
| 1976 | |
| 1977 | |
| 1978 | std::string ErrMsg = "looking up intrinsic '" + Name.str() + "("; |
| 1979 | for (unsigned I = 0; I < Types.size(); ++I) { |
| 1980 | if (I != 0) |
| 1981 | ErrMsg += ", "; |
| 1982 | ErrMsg += Types[I].str(); |
| 1983 | } |
| 1984 | ErrMsg += ")'\n"; |
| 1985 | ErrMsg += "Available overloads:\n"; |
| 1986 | |
| 1987 | |
| 1988 | |
| 1989 | for (auto &I : V) { |
| 1990 | ErrMsg += " - " + I.getReturnType().str() + " " + I.getMangledName(); |
| 1991 | ErrMsg += "("; |
| 1992 | for (unsigned A = 0; A < I.getNumParams(); ++A) { |
| 1993 | if (A != 0) |
| 1994 | ErrMsg += ", "; |
| 1995 | ErrMsg += I.getParamType(A).str(); |
| 1996 | } |
| 1997 | ErrMsg += ")\n"; |
| 1998 | |
| 1999 | if (I.getNumParams() != Types.size()) |
| 2000 | continue; |
| 2001 | |
| 2002 | bool Good = true; |
| 2003 | for (unsigned Arg = 0; Arg < Types.size(); ++Arg) { |
| 2004 | if (I.getParamType(Arg) != Types[Arg]) { |
| 2005 | Good = false; |
| 2006 | break; |
| 2007 | } |
| 2008 | } |
| 2009 | if (Good) |
| 2010 | GoodVec.push_back(&I); |
| 2011 | } |
| 2012 | |
| 2013 | assert_with_loc(!GoodVec.empty(), |
| 2014 | "No compatible intrinsic found - " + ErrMsg); |
| 2015 | assert_with_loc(GoodVec.size() == 1, "Multiple overloads found - " + ErrMsg); |
| 2016 | |
| 2017 | return *GoodVec.front(); |
| 2018 | } |
| 2019 | |
| 2020 | void NeonEmitter::createIntrinsic(Record *R, |
| 2021 | SmallVectorImpl<Intrinsic *> &Out) { |
| 2022 | std::string Name = R->getValueAsString("Name"); |
| 2023 | std::string Proto = R->getValueAsString("Prototype"); |
| 2024 | std::string Types = R->getValueAsString("Types"); |
| 2025 | Record *OperationRec = R->getValueAsDef("Operation"); |
| 2026 | bool CartesianProductOfTypes = R->getValueAsBit("CartesianProductOfTypes"); |
| 2027 | bool BigEndianSafe = R->getValueAsBit("BigEndianSafe"); |
| 2028 | std::string Guard = R->getValueAsString("ArchGuard"); |
| 2029 | bool IsUnavailable = OperationRec->getValueAsBit("Unavailable"); |
| 2030 | |
| 2031 | |
| 2032 | |
| 2033 | CurrentRecord = R; |
| 2034 | |
| 2035 | ListInit *Body = OperationRec->getValueAsListInit("Ops"); |
| 2036 | |
| 2037 | std::vector<TypeSpec> TypeSpecs = TypeSpec::fromTypeSpecs(Types); |
| 2038 | |
| 2039 | ClassKind CK = ClassNone; |
| 2040 | if (R->getSuperClasses().size() >= 2) |
| 2041 | CK = ClassMap[R->getSuperClasses()[1].first]; |
| 2042 | |
| 2043 | std::vector<std::pair<TypeSpec, TypeSpec>> NewTypeSpecs; |
| 2044 | for (auto TS : TypeSpecs) { |
| 2045 | if (CartesianProductOfTypes) { |
| 2046 | Type DefaultT(TS, 'd'); |
| 2047 | for (auto SrcTS : TypeSpecs) { |
| 2048 | Type DefaultSrcT(SrcTS, 'd'); |
| 2049 | if (TS == SrcTS || |
| 2050 | DefaultSrcT.getSizeInBits() != DefaultT.getSizeInBits()) |
| 2051 | continue; |
| 2052 | NewTypeSpecs.push_back(std::make_pair(TS, SrcTS)); |
| 2053 | } |
| 2054 | } else { |
| 2055 | NewTypeSpecs.push_back(std::make_pair(TS, TS)); |
| 2056 | } |
| 2057 | } |
| 2058 | |
| 2059 | llvm::sort(NewTypeSpecs); |
| 2060 | NewTypeSpecs.erase(std::unique(NewTypeSpecs.begin(), NewTypeSpecs.end()), |
| 2061 | NewTypeSpecs.end()); |
| 2062 | auto &Entry = IntrinsicMap[Name]; |
| 2063 | |
| 2064 | for (auto &I : NewTypeSpecs) { |
| 2065 | Entry.emplace_back(R, Name, Proto, I.first, I.second, CK, Body, *this, |
| 2066 | Guard, IsUnavailable, BigEndianSafe); |
| 2067 | Out.push_back(&Entry.back()); |
| 2068 | } |
| 2069 | |
| 2070 | CurrentRecord = nullptr; |
| 2071 | } |
| 2072 | |
| 2073 | |
| 2074 | |
| 2075 | void NeonEmitter::genBuiltinsDef(raw_ostream &OS, |
| 2076 | SmallVectorImpl<Intrinsic *> &Defs) { |
| 2077 | OS << "#ifdef GET_NEON_BUILTINS\n"; |
| 2078 | |
| 2079 | |
| 2080 | |
| 2081 | std::set<std::string> Builtins; |
| 2082 | |
| 2083 | for (auto *Def : Defs) { |
| 2084 | if (Def->hasBody()) |
| 2085 | continue; |
| 2086 | |
| 2087 | |
| 2088 | if (Def->hasSplat()) |
| 2089 | continue; |
| 2090 | |
| 2091 | std::string S = "BUILTIN(__builtin_neon_" + Def->getMangledName() + ", \""; |
| 2092 | |
| 2093 | S += Def->getBuiltinTypeStr(); |
| 2094 | S += "\", \"n\")"; |
| 2095 | |
| 2096 | Builtins.insert(S); |
| 2097 | } |
| 2098 | |
| 2099 | for (auto &S : Builtins) |
| 2100 | OS << S << "\n"; |
| 2101 | OS << "#endif\n\n"; |
| 2102 | } |
| 2103 | |
| 2104 | |
| 2105 | |
| 2106 | void NeonEmitter::genOverloadTypeCheckCode(raw_ostream &OS, |
| 2107 | SmallVectorImpl<Intrinsic *> &Defs) { |
| 2108 | OS << "#ifdef GET_NEON_OVERLOAD_CHECK\n"; |
| 2109 | |
| 2110 | |
| 2111 | |
| 2112 | |
| 2113 | struct OverloadInfo { |
| 2114 | uint64_t Mask; |
| 2115 | int PtrArgNum; |
| 2116 | bool HasConstPtr; |
| 2117 | OverloadInfo() : Mask(0ULL), PtrArgNum(0), HasConstPtr(false) {} |
| 2118 | }; |
| 2119 | std::map<std::string, OverloadInfo> OverloadMap; |
| 2120 | |
| 2121 | for (auto *Def : Defs) { |
| 2122 | |
| 2123 | |
| 2124 | if (Def->hasBody()) |
| 2125 | continue; |
| 2126 | |
| 2127 | |
| 2128 | if (Def->hasSplat()) |
| 2129 | continue; |
| 2130 | |
| 2131 | |
| 2132 | if (Def->protoHasScalar()) |
| 2133 | continue; |
| 2134 | |
| 2135 | uint64_t Mask = 0ULL; |
| 2136 | Type Ty = Def->getReturnType(); |
| 2137 | if (Def->getProto()[0] == 'v' || |
| 2138 | isFloatingPointProtoModifier(Def->getProto()[0])) |
| 2139 | Ty = Def->getParamType(0); |
| 2140 | if (Ty.isPointer()) |
| 2141 | Ty = Def->getParamType(1); |
| 2142 | |
| 2143 | Mask |= 1ULL << Ty.getNeonEnum(); |
| 2144 | |
| 2145 | |
| 2146 | std::string Proto = Def->getProto(); |
| 2147 | int PtrArgNum = -1; |
| 2148 | bool HasConstPtr = false; |
| 2149 | for (unsigned I = 0; I < Def->getNumParams(); ++I) { |
| 2150 | char ArgType = Proto[I + 1]; |
| 2151 | if (ArgType == 'c') { |
| 2152 | HasConstPtr = true; |
| 2153 | PtrArgNum = I; |
| 2154 | break; |
| 2155 | } |
| 2156 | if (ArgType == 'p') { |
| 2157 | PtrArgNum = I; |
| 2158 | break; |
| 2159 | } |
| 2160 | } |
| 2161 | |
| 2162 | if (PtrArgNum >= 0 && Def->getReturnType().getNumVectors() > 1) |
| 2163 | PtrArgNum += 1; |
| 2164 | |
| 2165 | std::string Name = Def->getName(); |
| 2166 | |
| 2167 | |
| 2168 | |
| 2169 | |
| 2170 | |
| 2171 | |
| 2172 | if (Name == "vld1_lane" || Name == "vld1_dup" || Name == "vst1_lane") { |
| 2173 | PtrArgNum = -1; |
| 2174 | HasConstPtr = false; |
| 2175 | } |
| 2176 | |
| 2177 | if (Mask) { |
| 2178 | std::string Name = Def->getMangledName(); |
| 2179 | OverloadMap.insert(std::make_pair(Name, OverloadInfo())); |
| 2180 | OverloadInfo &OI = OverloadMap[Name]; |
| 2181 | OI.Mask |= Mask; |
| 2182 | OI.PtrArgNum |= PtrArgNum; |
| 2183 | OI.HasConstPtr = HasConstPtr; |
| 2184 | } |
| 2185 | } |
| 2186 | |
| 2187 | for (auto &I : OverloadMap) { |
| 2188 | OverloadInfo &OI = I.second; |
| 2189 | |
| 2190 | OS << "case NEON::BI__builtin_neon_" << I.first << ": "; |
| 2191 | OS << "mask = 0x" << Twine::utohexstr(OI.Mask) << "ULL"; |
| 2192 | if (OI.PtrArgNum >= 0) |
| 2193 | OS << "; PtrArgNum = " << OI.PtrArgNum; |
| 2194 | if (OI.HasConstPtr) |
| 2195 | OS << "; HasConstPtr = true"; |
| 2196 | OS << "; break;\n"; |
| 2197 | } |
| 2198 | OS << "#endif\n\n"; |
| 2199 | } |
| 2200 | |
| 2201 | void NeonEmitter::genIntrinsicRangeCheckCode(raw_ostream &OS, |
| 2202 | SmallVectorImpl<Intrinsic *> &Defs) { |
| 2203 | OS << "#ifdef GET_NEON_IMMEDIATE_CHECK\n"; |
| 2204 | |
| 2205 | std::set<std::string> Emitted; |
| 2206 | |
| 2207 | for (auto *Def : Defs) { |
| 2208 | if (Def->hasBody()) |
| 2209 | continue; |
| 2210 | |
| 2211 | |
| 2212 | if (Def->hasSplat()) |
| 2213 | continue; |
| 2214 | |
| 2215 | |
| 2216 | if (!Def->hasImmediate()) |
| 2217 | continue; |
| 2218 | if (Emitted.find(Def->getMangledName()) != Emitted.end()) |
| 2219 | continue; |
| 2220 | |
| 2221 | std::string LowerBound, UpperBound; |
| 2222 | |
| 2223 | Record *R = Def->getRecord(); |
| 2224 | if (R->getValueAsBit("isVCVT_N")) { |
| 2225 | |
| 2226 | |
| 2227 | LowerBound = "1"; |
| 2228 | if (Def->getBaseType().getElementSizeInBits() == 16 || |
| 2229 | Def->getName().find('h') != std::string::npos) |
| 2230 | |
| 2231 | UpperBound = "15"; |
| 2232 | else if (Def->getBaseType().getElementSizeInBits() == 32) |
| 2233 | UpperBound = "31"; |
| 2234 | else |
| 2235 | UpperBound = "63"; |
| 2236 | } else if (R->getValueAsBit("isScalarShift")) { |
| 2237 | |
| 2238 | |
| 2239 | if (Def->getName().find('r') != std::string::npos || |
| 2240 | Def->getName().find("cvt") != std::string::npos) |
| 2241 | LowerBound = "1"; |
| 2242 | |
| 2243 | UpperBound = utostr(Def->getReturnType().getElementSizeInBits() - 1); |
| 2244 | } else if (R->getValueAsBit("isShift")) { |
| 2245 | |
| 2246 | |
| 2247 | |
| 2248 | |
| 2249 | if (Def->getName().find('r') != std::string::npos) |
| 2250 | LowerBound = "1"; |
| 2251 | UpperBound = "RFT(TV, true)"; |
| 2252 | } else if (Def->getClassKind(true) == ClassB) { |
| 2253 | |
| 2254 | |
| 2255 | if (R->getValueAsBit("isLaneQ")) |
| 2256 | UpperBound = "RFT(TV, false, true)"; |
| 2257 | else |
| 2258 | UpperBound = "RFT(TV, false, false)"; |
| 2259 | } else { |
| 2260 | |
| 2261 | getImmediateIdx() > 0", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 2261, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Def->getImmediateIdx() > 0); |
| 2262 | Type T = Def->getParamType(Def->getImmediateIdx() - 1); |
| 2263 | UpperBound = utostr(T.getNumElements() - 1); |
| 2264 | } |
| 2265 | |
| 2266 | |
| 2267 | unsigned Idx = Def->getNumParams(); |
| 2268 | if (Def->hasImmediate()) |
| 2269 | Idx = Def->getGeneratedParamIdx(Def->getImmediateIdx()); |
| 2270 | |
| 2271 | OS << "case NEON::BI__builtin_neon_" << Def->getMangledName() << ": " |
| 2272 | << "i = " << Idx << ";"; |
| 2273 | if (!LowerBound.empty()) |
| 2274 | OS << " l = " << LowerBound << ";"; |
| 2275 | if (!UpperBound.empty()) |
| 2276 | OS << " u = " << UpperBound << ";"; |
| 2277 | OS << " break;\n"; |
| 2278 | |
| 2279 | Emitted.insert(Def->getMangledName()); |
| 2280 | } |
| 2281 | |
| 2282 | OS << "#endif\n\n"; |
| 2283 | } |
| 2284 | |
| 2285 | |
| 2286 | |
| 2287 | |
| 2288 | |
| 2289 | void NeonEmitter::(raw_ostream &OS) { |
| 2290 | std::vector<Record *> RV = Records.getAllDerivedDefinitions("Inst"); |
| 2291 | |
| 2292 | SmallVector<Intrinsic *, 128> Defs; |
| 2293 | for (auto *R : RV) |
| 2294 | createIntrinsic(R, Defs); |
| 2295 | |
| 2296 | |
| 2297 | genBuiltinsDef(OS, Defs); |
| 2298 | |
| 2299 | |
| 2300 | genOverloadTypeCheckCode(OS, Defs); |
| 2301 | |
| 2302 | |
| 2303 | genIntrinsicRangeCheckCode(OS, Defs); |
| 2304 | } |
| 2305 | |
| 2306 | |
| 2307 | |
| 2308 | void NeonEmitter::run(raw_ostream &OS) { |
| 2309 | OS << "/*===---- arm_neon.h - ARM Neon intrinsics " |
| 2310 | "------------------------------" |
| 2311 | "---===\n" |
| 2312 | " *\n" |
| 2313 | " * Permission is hereby granted, free of charge, to any person " |
| 2314 | "obtaining " |
| 2315 | "a copy\n" |
| 2316 | " * of this software and associated documentation files (the " |
| 2317 | "\"Software\")," |
| 2318 | " to deal\n" |
| 2319 | " * in the Software without restriction, including without limitation " |
| 2320 | "the " |
| 2321 | "rights\n" |
| 2322 | " * to use, copy, modify, merge, publish, distribute, sublicense, " |
| 2323 | "and/or sell\n" |
| 2324 | " * copies of the Software, and to permit persons to whom the Software " |
| 2325 | "is\n" |
| 2326 | " * furnished to do so, subject to the following conditions:\n" |
| 2327 | " *\n" |
| 2328 | " * The above copyright notice and this permission notice shall be " |
| 2329 | "included in\n" |
| 2330 | " * all copies or substantial portions of the Software.\n" |
| 2331 | " *\n" |
| 2332 | " * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, " |
| 2333 | "EXPRESS OR\n" |
| 2334 | " * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF " |
| 2335 | "MERCHANTABILITY,\n" |
| 2336 | " * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT " |
| 2337 | "SHALL THE\n" |
| 2338 | " * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR " |
| 2339 | "OTHER\n" |
| 2340 | " * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, " |
| 2341 | "ARISING FROM,\n" |
| 2342 | " * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER " |
| 2343 | "DEALINGS IN\n" |
| 2344 | " * THE SOFTWARE.\n" |
| 2345 | " *\n" |
| 2346 | " *===-----------------------------------------------------------------" |
| 2347 | "---" |
| 2348 | "---===\n" |
| 2349 | " */\n\n"; |
| 2350 | |
| 2351 | OS << "#ifndef __ARM_NEON_H\n"; |
| 2352 | OS << "#define __ARM_NEON_H\n\n"; |
| 2353 | |
| 2354 | OS << "#if !defined(__ARM_NEON)\n"; |
| 2355 | OS << "#error \"NEON support not enabled\"\n"; |
| 2356 | OS << "#endif\n\n"; |
| 2357 | |
| 2358 | OS << "#include <stdint.h>\n\n"; |
| 2359 | |
| 2360 | |
| 2361 | OS << "typedef float float32_t;\n"; |
| 2362 | OS << "typedef __fp16 float16_t;\n"; |
| 2363 | |
| 2364 | OS << "#ifdef __aarch64__\n"; |
| 2365 | OS << "typedef double float64_t;\n"; |
| 2366 | OS << "#endif\n\n"; |
| 2367 | |
| 2368 | |
| 2369 | OS << "#ifdef __aarch64__\n"; |
| 2370 | OS << "typedef uint8_t poly8_t;\n"; |
| 2371 | OS << "typedef uint16_t poly16_t;\n"; |
| 2372 | OS << "typedef uint64_t poly64_t;\n"; |
| 2373 | OS << "typedef __uint128_t poly128_t;\n"; |
| 2374 | OS << "#else\n"; |
| 2375 | OS << "typedef int8_t poly8_t;\n"; |
| 2376 | OS << "typedef int16_t poly16_t;\n"; |
| 2377 | OS << "#endif\n"; |
| 2378 | |
| 2379 | |
| 2380 | std::string TypedefTypes( |
| 2381 | "cQcsQsiQilQlUcQUcUsQUsUiQUiUlQUlhQhfQfdQdPcQPcPsQPsPlQPl"); |
| 2382 | std::vector<TypeSpec> TDTypeVec = TypeSpec::fromTypeSpecs(TypedefTypes); |
| 2383 | |
| 2384 | |
| 2385 | bool InIfdef = false; |
| 2386 | for (auto &TS : TDTypeVec) { |
| 2387 | bool IsA64 = false; |
| 2388 | Type T(TS, 'd'); |
| 2389 | if (T.isDouble() || (T.isPoly() && T.isLong())) |
| 2390 | IsA64 = true; |
| 2391 | |
| 2392 | if (InIfdef && !IsA64) { |
| 2393 | OS << "#endif\n"; |
| 2394 | InIfdef = false; |
| 2395 | } |
| 2396 | if (!InIfdef && IsA64) { |
| 2397 | OS << "#ifdef __aarch64__\n"; |
| 2398 | InIfdef = true; |
| 2399 | } |
| 2400 | |
| 2401 | if (T.isPoly()) |
| 2402 | OS << "typedef __attribute__((neon_polyvector_type("; |
| 2403 | else |
| 2404 | OS << "typedef __attribute__((neon_vector_type("; |
| 2405 | |
| 2406 | Type T2 = T; |
| 2407 | T2.makeScalar(); |
| 2408 | OS << T.getNumElements() << "))) "; |
| 2409 | OS << T2.str(); |
| 2410 | OS << " " << T.str() << ";\n"; |
| 2411 | } |
| 2412 | if (InIfdef) |
| 2413 | OS << "#endif\n"; |
| 2414 | OS << "\n"; |
| 2415 | |
| 2416 | |
| 2417 | InIfdef = false; |
| 2418 | for (unsigned NumMembers = 2; NumMembers <= 4; ++NumMembers) { |
| 2419 | for (auto &TS : TDTypeVec) { |
| 2420 | bool IsA64 = false; |
| 2421 | Type T(TS, 'd'); |
| 2422 | if (T.isDouble() || (T.isPoly() && T.isLong())) |
| 2423 | IsA64 = true; |
| 2424 | |
| 2425 | if (InIfdef && !IsA64) { |
| 2426 | OS << "#endif\n"; |
| 2427 | InIfdef = false; |
| 2428 | } |
| 2429 | if (!InIfdef && IsA64) { |
| 2430 | OS << "#ifdef __aarch64__\n"; |
| 2431 | InIfdef = true; |
| 2432 | } |
| 2433 | |
| 2434 | char M = '2' + (NumMembers - 2); |
| 2435 | Type VT(TS, M); |
| 2436 | OS << "typedef struct " << VT.str() << " {\n"; |
| 2437 | OS << " " << T.str() << " val"; |
| 2438 | OS << "[" << NumMembers << "]"; |
| 2439 | OS << ";\n} "; |
| 2440 | OS << VT.str() << ";\n"; |
| 2441 | OS << "\n"; |
| 2442 | } |
| 2443 | } |
| 2444 | if (InIfdef) |
| 2445 | OS << "#endif\n"; |
| 2446 | OS << "\n"; |
| 2447 | |
| 2448 | OS << "#define __ai static __inline__ __attribute__((__always_inline__, " |
| 2449 | "__nodebug__))\n\n"; |
| 2450 | |
| 2451 | SmallVector<Intrinsic *, 128> Defs; |
| 2452 | std::vector<Record *> RV = Records.getAllDerivedDefinitions("Inst"); |
| 2453 | for (auto *R : RV) |
| 2454 | createIntrinsic(R, Defs); |
| 2455 | |
| 2456 | for (auto *I : Defs) |
| 2457 | I->indexBody(); |
| 2458 | |
| 2459 | std::stable_sort( |
| 2460 | Defs.begin(), Defs.end(), |
| 2461 | [](const Intrinsic *A, const Intrinsic *B) { return *A < *B; }); |
| 2462 | |
| 2463 | |
| 2464 | |
| 2465 | bool MadeProgress = true; |
| 2466 | std::string InGuard; |
| 2467 | while (!Defs.empty() && MadeProgress) { |
| 2468 | MadeProgress = false; |
| 2469 | |
| 2470 | for (SmallVector<Intrinsic *, 128>::iterator I = Defs.begin(); |
| 2471 | I != Defs.end(); ) { |
| 2472 | bool DependenciesSatisfied = true; |
| 2473 | for (auto *II : (*I)->getDependencies()) { |
| 2474 | if (llvm::is_contained(Defs, II)) |
| 2475 | DependenciesSatisfied = false; |
| 2476 | } |
| 2477 | if (!DependenciesSatisfied) { |
| 2478 | |
| 2479 | ++I; |
| 2480 | continue; |
| 2481 | } |
| 2482 | |
| 2483 | |
| 2484 | if ((*I)->getGuard() != InGuard) { |
| 2485 | if (!InGuard.empty()) |
| 2486 | OS << "#endif\n"; |
| 2487 | InGuard = (*I)->getGuard(); |
| 2488 | if (!InGuard.empty()) |
| 2489 | OS << "#if " << InGuard << "\n"; |
| 2490 | } |
| 2491 | |
| 2492 | |
| 2493 | OS << (*I)->generate(); |
| 2494 | |
| 2495 | MadeProgress = true; |
| 2496 | I = Defs.erase(I); |
| 2497 | } |
| 2498 | } |
| 2499 | (0) . __assert_fail ("Defs.empty() && \"Some requirements were not satisfied!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 2499, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Defs.empty() && "Some requirements were not satisfied!"); |
| 2500 | if (!InGuard.empty()) |
| 2501 | OS << "#endif\n"; |
| 2502 | |
| 2503 | OS << "\n"; |
| 2504 | OS << "#undef __ai\n\n"; |
| 2505 | OS << "#endif /* __ARM_NEON_H */\n"; |
| 2506 | } |
| 2507 | |
| 2508 | |
| 2509 | |
| 2510 | void NeonEmitter::runFP16(raw_ostream &OS) { |
| 2511 | OS << "/*===---- arm_fp16.h - ARM FP16 intrinsics " |
| 2512 | "------------------------------" |
| 2513 | "---===\n" |
| 2514 | " *\n" |
| 2515 | " * Permission is hereby granted, free of charge, to any person " |
| 2516 | "obtaining a copy\n" |
| 2517 | " * of this software and associated documentation files (the " |
| 2518 | "\"Software\"), to deal\n" |
| 2519 | " * in the Software without restriction, including without limitation " |
| 2520 | "the rights\n" |
| 2521 | " * to use, copy, modify, merge, publish, distribute, sublicense, " |
| 2522 | "and/or sell\n" |
| 2523 | " * copies of the Software, and to permit persons to whom the Software " |
| 2524 | "is\n" |
| 2525 | " * furnished to do so, subject to the following conditions:\n" |
| 2526 | " *\n" |
| 2527 | " * The above copyright notice and this permission notice shall be " |
| 2528 | "included in\n" |
| 2529 | " * all copies or substantial portions of the Software.\n" |
| 2530 | " *\n" |
| 2531 | " * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, " |
| 2532 | "EXPRESS OR\n" |
| 2533 | " * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF " |
| 2534 | "MERCHANTABILITY,\n" |
| 2535 | " * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT " |
| 2536 | "SHALL THE\n" |
| 2537 | " * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR " |
| 2538 | "OTHER\n" |
| 2539 | " * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, " |
| 2540 | "ARISING FROM,\n" |
| 2541 | " * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER " |
| 2542 | "DEALINGS IN\n" |
| 2543 | " * THE SOFTWARE.\n" |
| 2544 | " *\n" |
| 2545 | " *===-----------------------------------------------------------------" |
| 2546 | "---" |
| 2547 | "---===\n" |
| 2548 | " */\n\n"; |
| 2549 | |
| 2550 | OS << "#ifndef __ARM_FP16_H\n"; |
| 2551 | OS << "#define __ARM_FP16_H\n\n"; |
| 2552 | |
| 2553 | OS << "#include <stdint.h>\n\n"; |
| 2554 | |
| 2555 | OS << "typedef __fp16 float16_t;\n"; |
| 2556 | |
| 2557 | OS << "#define __ai static __inline__ __attribute__((__always_inline__, " |
| 2558 | "__nodebug__))\n\n"; |
| 2559 | |
| 2560 | SmallVector<Intrinsic *, 128> Defs; |
| 2561 | std::vector<Record *> RV = Records.getAllDerivedDefinitions("Inst"); |
| 2562 | for (auto *R : RV) |
| 2563 | createIntrinsic(R, Defs); |
| 2564 | |
| 2565 | for (auto *I : Defs) |
| 2566 | I->indexBody(); |
| 2567 | |
| 2568 | std::stable_sort( |
| 2569 | Defs.begin(), Defs.end(), |
| 2570 | [](const Intrinsic *A, const Intrinsic *B) { return *A < *B; }); |
| 2571 | |
| 2572 | |
| 2573 | |
| 2574 | bool MadeProgress = true; |
| 2575 | std::string InGuard; |
| 2576 | while (!Defs.empty() && MadeProgress) { |
| 2577 | MadeProgress = false; |
| 2578 | |
| 2579 | for (SmallVector<Intrinsic *, 128>::iterator I = Defs.begin(); |
| 2580 | I != Defs.end(); ) { |
| 2581 | bool DependenciesSatisfied = true; |
| 2582 | for (auto *II : (*I)->getDependencies()) { |
| 2583 | if (llvm::is_contained(Defs, II)) |
| 2584 | DependenciesSatisfied = false; |
| 2585 | } |
| 2586 | if (!DependenciesSatisfied) { |
| 2587 | |
| 2588 | ++I; |
| 2589 | continue; |
| 2590 | } |
| 2591 | |
| 2592 | |
| 2593 | if ((*I)->getGuard() != InGuard) { |
| 2594 | if (!InGuard.empty()) |
| 2595 | OS << "#endif\n"; |
| 2596 | InGuard = (*I)->getGuard(); |
| 2597 | if (!InGuard.empty()) |
| 2598 | OS << "#if " << InGuard << "\n"; |
| 2599 | } |
| 2600 | |
| 2601 | |
| 2602 | OS << (*I)->generate(); |
| 2603 | |
| 2604 | MadeProgress = true; |
| 2605 | I = Defs.erase(I); |
| 2606 | } |
| 2607 | } |
| 2608 | (0) . __assert_fail ("Defs.empty() && \"Some requirements were not satisfied!\"", "/home/seafit/code_projects/clang_source/clang/utils/TableGen/NeonEmitter.cpp", 2608, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Defs.empty() && "Some requirements were not satisfied!"); |
| 2609 | if (!InGuard.empty()) |
| 2610 | OS << "#endif\n"; |
| 2611 | |
| 2612 | OS << "\n"; |
| 2613 | OS << "#undef __ai\n\n"; |
| 2614 | OS << "#endif /* __ARM_FP16_H */\n"; |
| 2615 | } |
| 2616 | |
| 2617 | namespace clang { |
| 2618 | |
| 2619 | void EmitNeon(RecordKeeper &Records, raw_ostream &OS) { |
| 2620 | NeonEmitter(Records).run(OS); |
| 2621 | } |
| 2622 | |
| 2623 | void EmitFP16(RecordKeeper &Records, raw_ostream &OS) { |
| 2624 | NeonEmitter(Records).runFP16(OS); |
| 2625 | } |
| 2626 | |
| 2627 | void EmitNeonSema(RecordKeeper &Records, raw_ostream &OS) { |
| 2628 | NeonEmitter(Records).runHeader(OS); |
| 2629 | } |
| 2630 | |
| 2631 | void EmitNeonTest(RecordKeeper &Records, raw_ostream &OS) { |
| 2632 | llvm_unreachable("Neon test generation no longer implemented!"); |
| 2633 | } |
| 2634 | |
| 2635 | } |
| 2636 | |