Record.cpp revision 226584
1226584Sdim//===- Record.cpp - Record implementation ---------------------------------===// 2226584Sdim// 3226584Sdim// The LLVM Compiler Infrastructure 4226584Sdim// 5226584Sdim// This file is distributed under the University of Illinois Open Source 6226584Sdim// License. See LICENSE.TXT for details. 7226584Sdim// 8226584Sdim//===----------------------------------------------------------------------===// 9226584Sdim// 10226584Sdim// Implement the tablegen record classes. 11226584Sdim// 12226584Sdim//===----------------------------------------------------------------------===// 13226584Sdim 14226584Sdim#include "llvm/TableGen/Record.h" 15226584Sdim#include "llvm/TableGen/Error.h" 16226584Sdim#include "llvm/Support/DataTypes.h" 17226584Sdim#include "llvm/Support/ErrorHandling.h" 18226584Sdim#include "llvm/Support/Format.h" 19226584Sdim#include "llvm/ADT/DenseMap.h" 20226584Sdim#include "llvm/ADT/FoldingSet.h" 21226584Sdim#include "llvm/ADT/SmallVector.h" 22226584Sdim#include "llvm/ADT/STLExtras.h" 23226584Sdim#include "llvm/ADT/StringExtras.h" 24226584Sdim#include "llvm/ADT/StringMap.h" 25226584Sdim 26226584Sdimusing namespace llvm; 27226584Sdim 28226584Sdim//===----------------------------------------------------------------------===// 29226584Sdim// std::string wrapper for DenseMap purposes 30226584Sdim//===----------------------------------------------------------------------===// 31226584Sdim 32226584Sdim/// TableGenStringKey - This is a wrapper for std::string suitable for 33226584Sdim/// using as a key to a DenseMap. Because there isn't a particularly 34226584Sdim/// good way to indicate tombstone or empty keys for strings, we want 35226584Sdim/// to wrap std::string to indicate that this is a "special" string 36226584Sdim/// not expected to take on certain values (those of the tombstone and 37226584Sdim/// empty keys). This makes things a little safer as it clarifies 38226584Sdim/// that DenseMap is really not appropriate for general strings. 39226584Sdim 40226584Sdimclass TableGenStringKey { 41226584Sdimpublic: 42226584Sdim TableGenStringKey(const std::string &str) : data(str) {} 43226584Sdim TableGenStringKey(const char *str) : data(str) {} 44226584Sdim 45226584Sdim const std::string &str() const { return data; } 46226584Sdim 47226584Sdimprivate: 48226584Sdim std::string data; 49226584Sdim}; 50226584Sdim 51226584Sdim/// Specialize DenseMapInfo for TableGenStringKey. 52226584Sdimnamespace llvm { 53226584Sdim 54226584Sdimtemplate<> struct DenseMapInfo<TableGenStringKey> { 55226584Sdim static inline TableGenStringKey getEmptyKey() { 56226584Sdim TableGenStringKey Empty("<<<EMPTY KEY>>>"); 57226584Sdim return Empty; 58226584Sdim } 59226584Sdim static inline TableGenStringKey getTombstoneKey() { 60226584Sdim TableGenStringKey Tombstone("<<<TOMBSTONE KEY>>>"); 61226584Sdim return Tombstone; 62226584Sdim } 63226584Sdim static unsigned getHashValue(const TableGenStringKey& Val) { 64226584Sdim return HashString(Val.str()); 65226584Sdim } 66226584Sdim static bool isEqual(const TableGenStringKey& LHS, 67226584Sdim const TableGenStringKey& RHS) { 68226584Sdim return LHS.str() == RHS.str(); 69226584Sdim } 70226584Sdim}; 71226584Sdim 72226584Sdim} 73226584Sdim 74226584Sdim//===----------------------------------------------------------------------===// 75226584Sdim// Type implementations 76226584Sdim//===----------------------------------------------------------------------===// 77226584Sdim 78226584SdimBitRecTy BitRecTy::Shared; 79226584SdimIntRecTy IntRecTy::Shared; 80226584SdimStringRecTy StringRecTy::Shared; 81226584SdimCodeRecTy CodeRecTy::Shared; 82226584SdimDagRecTy DagRecTy::Shared; 83226584Sdim 84226584Sdimvoid RecTy::dump() const { print(errs()); } 85226584Sdim 86226584SdimListRecTy *RecTy::getListTy() { 87226584Sdim if (!ListTy) 88226584Sdim ListTy = new ListRecTy(this); 89226584Sdim return ListTy; 90226584Sdim} 91226584Sdim 92226584SdimInit *BitRecTy::convertValue(BitsInit *BI) { 93226584Sdim if (BI->getNumBits() != 1) return 0; // Only accept if just one bit! 94226584Sdim return BI->getBit(0); 95226584Sdim} 96226584Sdim 97226584Sdimbool BitRecTy::baseClassOf(const BitsRecTy *RHS) const { 98226584Sdim return RHS->getNumBits() == 1; 99226584Sdim} 100226584Sdim 101226584SdimInit *BitRecTy::convertValue(IntInit *II) { 102226584Sdim int64_t Val = II->getValue(); 103226584Sdim if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit! 104226584Sdim 105226584Sdim return BitInit::get(Val != 0); 106226584Sdim} 107226584Sdim 108226584SdimInit *BitRecTy::convertValue(TypedInit *VI) { 109226584Sdim if (dynamic_cast<BitRecTy*>(VI->getType())) 110226584Sdim return VI; // Accept variable if it is already of bit type! 111226584Sdim return 0; 112226584Sdim} 113226584Sdim 114226584SdimBitsRecTy *BitsRecTy::get(unsigned Sz) { 115226584Sdim static std::vector<BitsRecTy*> Shared; 116226584Sdim if (Sz >= Shared.size()) 117226584Sdim Shared.resize(Sz + 1); 118226584Sdim BitsRecTy *&Ty = Shared[Sz]; 119226584Sdim if (!Ty) 120226584Sdim Ty = new BitsRecTy(Sz); 121226584Sdim return Ty; 122226584Sdim} 123226584Sdim 124226584Sdimstd::string BitsRecTy::getAsString() const { 125226584Sdim return "bits<" + utostr(Size) + ">"; 126226584Sdim} 127226584Sdim 128226584SdimInit *BitsRecTy::convertValue(UnsetInit *UI) { 129226584Sdim SmallVector<Init *, 16> NewBits(Size); 130226584Sdim 131226584Sdim for (unsigned i = 0; i != Size; ++i) 132226584Sdim NewBits[i] = UnsetInit::get(); 133226584Sdim 134226584Sdim return BitsInit::get(NewBits); 135226584Sdim} 136226584Sdim 137226584SdimInit *BitsRecTy::convertValue(BitInit *UI) { 138226584Sdim if (Size != 1) return 0; // Can only convert single bit. 139226584Sdim return BitsInit::get(UI); 140226584Sdim} 141226584Sdim 142226584Sdim/// canFitInBitfield - Return true if the number of bits is large enough to hold 143226584Sdim/// the integer value. 144226584Sdimstatic bool canFitInBitfield(int64_t Value, unsigned NumBits) { 145226584Sdim // For example, with NumBits == 4, we permit Values from [-7 .. 15]. 146226584Sdim return (NumBits >= sizeof(Value) * 8) || 147226584Sdim (Value >> NumBits == 0) || (Value >> (NumBits-1) == -1); 148226584Sdim} 149226584Sdim 150226584Sdim/// convertValue from Int initializer to bits type: Split the integer up into the 151226584Sdim/// appropriate bits. 152226584Sdim/// 153226584SdimInit *BitsRecTy::convertValue(IntInit *II) { 154226584Sdim int64_t Value = II->getValue(); 155226584Sdim // Make sure this bitfield is large enough to hold the integer value. 156226584Sdim if (!canFitInBitfield(Value, Size)) 157226584Sdim return 0; 158226584Sdim 159226584Sdim SmallVector<Init *, 16> NewBits(Size); 160226584Sdim 161226584Sdim for (unsigned i = 0; i != Size; ++i) 162226584Sdim NewBits[i] = BitInit::get(Value & (1LL << i)); 163226584Sdim 164226584Sdim return BitsInit::get(NewBits); 165226584Sdim} 166226584Sdim 167226584SdimInit *BitsRecTy::convertValue(BitsInit *BI) { 168226584Sdim // If the number of bits is right, return it. Otherwise we need to expand or 169226584Sdim // truncate. 170226584Sdim if (BI->getNumBits() == Size) return BI; 171226584Sdim return 0; 172226584Sdim} 173226584Sdim 174226584SdimInit *BitsRecTy::convertValue(TypedInit *VI) { 175226584Sdim if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType())) 176226584Sdim if (BRT->Size == Size) { 177226584Sdim SmallVector<Init *, 16> NewBits(Size); 178226584Sdim 179226584Sdim for (unsigned i = 0; i != Size; ++i) 180226584Sdim NewBits[i] = VarBitInit::get(VI, i); 181226584Sdim return BitsInit::get(NewBits); 182226584Sdim } 183226584Sdim 184226584Sdim if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) 185226584Sdim return BitsInit::get(VI); 186226584Sdim 187226584Sdim if (TernOpInit *Tern = dynamic_cast<TernOpInit*>(VI)) { 188226584Sdim if (Tern->getOpcode() == TernOpInit::IF) { 189226584Sdim Init *LHS = Tern->getLHS(); 190226584Sdim Init *MHS = Tern->getMHS(); 191226584Sdim Init *RHS = Tern->getRHS(); 192226584Sdim 193226584Sdim IntInit *MHSi = dynamic_cast<IntInit*>(MHS); 194226584Sdim IntInit *RHSi = dynamic_cast<IntInit*>(RHS); 195226584Sdim 196226584Sdim if (MHSi && RHSi) { 197226584Sdim int64_t MHSVal = MHSi->getValue(); 198226584Sdim int64_t RHSVal = RHSi->getValue(); 199226584Sdim 200226584Sdim if (canFitInBitfield(MHSVal, Size) && canFitInBitfield(RHSVal, Size)) { 201226584Sdim SmallVector<Init *, 16> NewBits(Size); 202226584Sdim 203226584Sdim for (unsigned i = 0; i != Size; ++i) 204226584Sdim NewBits[i] = 205226584Sdim TernOpInit::get(TernOpInit::IF, LHS, 206226584Sdim IntInit::get((MHSVal & (1LL << i)) ? 1 : 0), 207226584Sdim IntInit::get((RHSVal & (1LL << i)) ? 1 : 0), 208226584Sdim VI->getType()); 209226584Sdim 210226584Sdim return BitsInit::get(NewBits); 211226584Sdim } 212226584Sdim } else { 213226584Sdim BitsInit *MHSbs = dynamic_cast<BitsInit*>(MHS); 214226584Sdim BitsInit *RHSbs = dynamic_cast<BitsInit*>(RHS); 215226584Sdim 216226584Sdim if (MHSbs && RHSbs) { 217226584Sdim SmallVector<Init *, 16> NewBits(Size); 218226584Sdim 219226584Sdim for (unsigned i = 0; i != Size; ++i) 220226584Sdim NewBits[i] = TernOpInit::get(TernOpInit::IF, LHS, 221226584Sdim MHSbs->getBit(i), 222226584Sdim RHSbs->getBit(i), 223226584Sdim VI->getType()); 224226584Sdim 225226584Sdim return BitsInit::get(NewBits); 226226584Sdim } 227226584Sdim } 228226584Sdim } 229226584Sdim } 230226584Sdim 231226584Sdim return 0; 232226584Sdim} 233226584Sdim 234226584SdimInit *IntRecTy::convertValue(BitInit *BI) { 235226584Sdim return IntInit::get(BI->getValue()); 236226584Sdim} 237226584Sdim 238226584SdimInit *IntRecTy::convertValue(BitsInit *BI) { 239226584Sdim int64_t Result = 0; 240226584Sdim for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i) 241226584Sdim if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) { 242226584Sdim Result |= Bit->getValue() << i; 243226584Sdim } else { 244226584Sdim return 0; 245226584Sdim } 246226584Sdim return IntInit::get(Result); 247226584Sdim} 248226584Sdim 249226584SdimInit *IntRecTy::convertValue(TypedInit *TI) { 250226584Sdim if (TI->getType()->typeIsConvertibleTo(this)) 251226584Sdim return TI; // Accept variable if already of the right type! 252226584Sdim return 0; 253226584Sdim} 254226584Sdim 255226584SdimInit *StringRecTy::convertValue(UnOpInit *BO) { 256226584Sdim if (BO->getOpcode() == UnOpInit::CAST) { 257226584Sdim Init *L = BO->getOperand()->convertInitializerTo(this); 258226584Sdim if (L == 0) return 0; 259226584Sdim if (L != BO->getOperand()) 260226584Sdim return UnOpInit::get(UnOpInit::CAST, L, new StringRecTy); 261226584Sdim return BO; 262226584Sdim } 263226584Sdim 264226584Sdim return convertValue((TypedInit*)BO); 265226584Sdim} 266226584Sdim 267226584SdimInit *StringRecTy::convertValue(BinOpInit *BO) { 268226584Sdim if (BO->getOpcode() == BinOpInit::STRCONCAT) { 269226584Sdim Init *L = BO->getLHS()->convertInitializerTo(this); 270226584Sdim Init *R = BO->getRHS()->convertInitializerTo(this); 271226584Sdim if (L == 0 || R == 0) return 0; 272226584Sdim if (L != BO->getLHS() || R != BO->getRHS()) 273226584Sdim return BinOpInit::get(BinOpInit::STRCONCAT, L, R, new StringRecTy); 274226584Sdim return BO; 275226584Sdim } 276226584Sdim 277226584Sdim return convertValue((TypedInit*)BO); 278226584Sdim} 279226584Sdim 280226584Sdim 281226584SdimInit *StringRecTy::convertValue(TypedInit *TI) { 282226584Sdim if (dynamic_cast<StringRecTy*>(TI->getType())) 283226584Sdim return TI; // Accept variable if already of the right type! 284226584Sdim return 0; 285226584Sdim} 286226584Sdim 287226584Sdimstd::string ListRecTy::getAsString() const { 288226584Sdim return "list<" + Ty->getAsString() + ">"; 289226584Sdim} 290226584Sdim 291226584SdimInit *ListRecTy::convertValue(ListInit *LI) { 292226584Sdim std::vector<Init*> Elements; 293226584Sdim 294226584Sdim // Verify that all of the elements of the list are subclasses of the 295226584Sdim // appropriate class! 296226584Sdim for (unsigned i = 0, e = LI->getSize(); i != e; ++i) 297226584Sdim if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty)) 298226584Sdim Elements.push_back(CI); 299226584Sdim else 300226584Sdim return 0; 301226584Sdim 302226584Sdim ListRecTy *LType = dynamic_cast<ListRecTy*>(LI->getType()); 303226584Sdim if (LType == 0) { 304226584Sdim return 0; 305226584Sdim } 306226584Sdim 307226584Sdim return ListInit::get(Elements, this); 308226584Sdim} 309226584Sdim 310226584SdimInit *ListRecTy::convertValue(TypedInit *TI) { 311226584Sdim // Ensure that TI is compatible with our class. 312226584Sdim if (ListRecTy *LRT = dynamic_cast<ListRecTy*>(TI->getType())) 313226584Sdim if (LRT->getElementType()->typeIsConvertibleTo(getElementType())) 314226584Sdim return TI; 315226584Sdim return 0; 316226584Sdim} 317226584Sdim 318226584SdimInit *CodeRecTy::convertValue(TypedInit *TI) { 319226584Sdim if (TI->getType()->typeIsConvertibleTo(this)) 320226584Sdim return TI; 321226584Sdim return 0; 322226584Sdim} 323226584Sdim 324226584SdimInit *DagRecTy::convertValue(TypedInit *TI) { 325226584Sdim if (TI->getType()->typeIsConvertibleTo(this)) 326226584Sdim return TI; 327226584Sdim return 0; 328226584Sdim} 329226584Sdim 330226584SdimInit *DagRecTy::convertValue(UnOpInit *BO) { 331226584Sdim if (BO->getOpcode() == UnOpInit::CAST) { 332226584Sdim Init *L = BO->getOperand()->convertInitializerTo(this); 333226584Sdim if (L == 0) return 0; 334226584Sdim if (L != BO->getOperand()) 335226584Sdim return UnOpInit::get(UnOpInit::CAST, L, new DagRecTy); 336226584Sdim return BO; 337226584Sdim } 338226584Sdim return 0; 339226584Sdim} 340226584Sdim 341226584SdimInit *DagRecTy::convertValue(BinOpInit *BO) { 342226584Sdim if (BO->getOpcode() == BinOpInit::CONCAT) { 343226584Sdim Init *L = BO->getLHS()->convertInitializerTo(this); 344226584Sdim Init *R = BO->getRHS()->convertInitializerTo(this); 345226584Sdim if (L == 0 || R == 0) return 0; 346226584Sdim if (L != BO->getLHS() || R != BO->getRHS()) 347226584Sdim return BinOpInit::get(BinOpInit::CONCAT, L, R, new DagRecTy); 348226584Sdim return BO; 349226584Sdim } 350226584Sdim return 0; 351226584Sdim} 352226584Sdim 353226584SdimRecordRecTy *RecordRecTy::get(Record *R) { 354226584Sdim return &dynamic_cast<RecordRecTy&>(*R->getDefInit()->getType()); 355226584Sdim} 356226584Sdim 357226584Sdimstd::string RecordRecTy::getAsString() const { 358226584Sdim return Rec->getName(); 359226584Sdim} 360226584Sdim 361226584SdimInit *RecordRecTy::convertValue(DefInit *DI) { 362226584Sdim // Ensure that DI is a subclass of Rec. 363226584Sdim if (!DI->getDef()->isSubClassOf(Rec)) 364226584Sdim return 0; 365226584Sdim return DI; 366226584Sdim} 367226584Sdim 368226584SdimInit *RecordRecTy::convertValue(TypedInit *TI) { 369226584Sdim // Ensure that TI is compatible with Rec. 370226584Sdim if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType())) 371226584Sdim if (RRT->getRecord()->isSubClassOf(getRecord()) || 372226584Sdim RRT->getRecord() == getRecord()) 373226584Sdim return TI; 374226584Sdim return 0; 375226584Sdim} 376226584Sdim 377226584Sdimbool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const { 378226584Sdim if (Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec)) 379226584Sdim return true; 380226584Sdim 381226584Sdim const std::vector<Record*> &SC = Rec->getSuperClasses(); 382226584Sdim for (unsigned i = 0, e = SC.size(); i != e; ++i) 383226584Sdim if (RHS->getRecord()->isSubClassOf(SC[i])) 384226584Sdim return true; 385226584Sdim 386226584Sdim return false; 387226584Sdim} 388226584Sdim 389226584Sdim 390226584Sdim/// resolveTypes - Find a common type that T1 and T2 convert to. 391226584Sdim/// Return 0 if no such type exists. 392226584Sdim/// 393226584SdimRecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) { 394226584Sdim if (!T1->typeIsConvertibleTo(T2)) { 395226584Sdim if (!T2->typeIsConvertibleTo(T1)) { 396226584Sdim // If one is a Record type, check superclasses 397226584Sdim RecordRecTy *RecTy1 = dynamic_cast<RecordRecTy*>(T1); 398226584Sdim if (RecTy1) { 399226584Sdim // See if T2 inherits from a type T1 also inherits from 400226584Sdim const std::vector<Record *> &T1SuperClasses = 401226584Sdim RecTy1->getRecord()->getSuperClasses(); 402226584Sdim for(std::vector<Record *>::const_iterator i = T1SuperClasses.begin(), 403226584Sdim iend = T1SuperClasses.end(); 404226584Sdim i != iend; 405226584Sdim ++i) { 406226584Sdim RecordRecTy *SuperRecTy1 = RecordRecTy::get(*i); 407226584Sdim RecTy *NewType1 = resolveTypes(SuperRecTy1, T2); 408226584Sdim if (NewType1 != 0) { 409226584Sdim if (NewType1 != SuperRecTy1) { 410226584Sdim delete SuperRecTy1; 411226584Sdim } 412226584Sdim return NewType1; 413226584Sdim } 414226584Sdim } 415226584Sdim } 416226584Sdim RecordRecTy *RecTy2 = dynamic_cast<RecordRecTy*>(T2); 417226584Sdim if (RecTy2) { 418226584Sdim // See if T1 inherits from a type T2 also inherits from 419226584Sdim const std::vector<Record *> &T2SuperClasses = 420226584Sdim RecTy2->getRecord()->getSuperClasses(); 421226584Sdim for (std::vector<Record *>::const_iterator i = T2SuperClasses.begin(), 422226584Sdim iend = T2SuperClasses.end(); 423226584Sdim i != iend; 424226584Sdim ++i) { 425226584Sdim RecordRecTy *SuperRecTy2 = RecordRecTy::get(*i); 426226584Sdim RecTy *NewType2 = resolveTypes(T1, SuperRecTy2); 427226584Sdim if (NewType2 != 0) { 428226584Sdim if (NewType2 != SuperRecTy2) { 429226584Sdim delete SuperRecTy2; 430226584Sdim } 431226584Sdim return NewType2; 432226584Sdim } 433226584Sdim } 434226584Sdim } 435226584Sdim return 0; 436226584Sdim } 437226584Sdim return T2; 438226584Sdim } 439226584Sdim return T1; 440226584Sdim} 441226584Sdim 442226584Sdim 443226584Sdim//===----------------------------------------------------------------------===// 444226584Sdim// Initializer implementations 445226584Sdim//===----------------------------------------------------------------------===// 446226584Sdim 447226584Sdimvoid Init::dump() const { return print(errs()); } 448226584Sdim 449226584SdimUnsetInit *UnsetInit::get() { 450226584Sdim static UnsetInit TheInit; 451226584Sdim return &TheInit; 452226584Sdim} 453226584Sdim 454226584SdimBitInit *BitInit::get(bool V) { 455226584Sdim static BitInit True(true); 456226584Sdim static BitInit False(false); 457226584Sdim 458226584Sdim return V ? &True : &False; 459226584Sdim} 460226584Sdim 461226584Sdimstatic void 462226584SdimProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<Init *> Range) { 463226584Sdim ID.AddInteger(Range.size()); 464226584Sdim 465226584Sdim for (ArrayRef<Init *>::iterator i = Range.begin(), 466226584Sdim iend = Range.end(); 467226584Sdim i != iend; 468226584Sdim ++i) 469226584Sdim ID.AddPointer(*i); 470226584Sdim} 471226584Sdim 472226584SdimBitsInit *BitsInit::get(ArrayRef<Init *> Range) { 473226584Sdim typedef FoldingSet<BitsInit> Pool; 474226584Sdim static Pool ThePool; 475226584Sdim 476226584Sdim FoldingSetNodeID ID; 477226584Sdim ProfileBitsInit(ID, Range); 478226584Sdim 479226584Sdim void *IP = 0; 480226584Sdim if (BitsInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) 481226584Sdim return I; 482226584Sdim 483226584Sdim BitsInit *I = new BitsInit(Range); 484226584Sdim ThePool.InsertNode(I, IP); 485226584Sdim 486226584Sdim return I; 487226584Sdim} 488226584Sdim 489226584Sdimvoid BitsInit::Profile(FoldingSetNodeID &ID) const { 490226584Sdim ProfileBitsInit(ID, Bits); 491226584Sdim} 492226584Sdim 493226584SdimInit * 494226584SdimBitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { 495226584Sdim SmallVector<Init *, 16> NewBits(Bits.size()); 496226584Sdim 497226584Sdim for (unsigned i = 0, e = Bits.size(); i != e; ++i) { 498226584Sdim if (Bits[i] >= getNumBits()) 499226584Sdim return 0; 500226584Sdim NewBits[i] = getBit(Bits[i]); 501226584Sdim } 502226584Sdim return BitsInit::get(NewBits); 503226584Sdim} 504226584Sdim 505226584Sdimstd::string BitsInit::getAsString() const { 506226584Sdim std::string Result = "{ "; 507226584Sdim for (unsigned i = 0, e = getNumBits(); i != e; ++i) { 508226584Sdim if (i) Result += ", "; 509226584Sdim if (Init *Bit = getBit(e-i-1)) 510226584Sdim Result += Bit->getAsString(); 511226584Sdim else 512226584Sdim Result += "*"; 513226584Sdim } 514226584Sdim return Result + " }"; 515226584Sdim} 516226584Sdim 517226584Sdim// resolveReferences - If there are any field references that refer to fields 518226584Sdim// that have been filled in, we can propagate the values now. 519226584Sdim// 520226584SdimInit *BitsInit::resolveReferences(Record &R, const RecordVal *RV) const { 521226584Sdim bool Changed = false; 522226584Sdim SmallVector<Init *, 16> NewBits(getNumBits()); 523226584Sdim 524226584Sdim for (unsigned i = 0, e = Bits.size(); i != e; ++i) { 525226584Sdim Init *B; 526226584Sdim Init *CurBit = getBit(i); 527226584Sdim 528226584Sdim do { 529226584Sdim B = CurBit; 530226584Sdim CurBit = CurBit->resolveReferences(R, RV); 531226584Sdim Changed |= B != CurBit; 532226584Sdim } while (B != CurBit); 533226584Sdim NewBits[i] = CurBit; 534226584Sdim } 535226584Sdim 536226584Sdim if (Changed) 537226584Sdim return BitsInit::get(NewBits); 538226584Sdim 539226584Sdim return const_cast<BitsInit *>(this); 540226584Sdim} 541226584Sdim 542226584SdimIntInit *IntInit::get(int64_t V) { 543226584Sdim typedef DenseMap<int64_t, IntInit *> Pool; 544226584Sdim static Pool ThePool; 545226584Sdim 546226584Sdim IntInit *&I = ThePool[V]; 547226584Sdim if (!I) I = new IntInit(V); 548226584Sdim return I; 549226584Sdim} 550226584Sdim 551226584Sdimstd::string IntInit::getAsString() const { 552226584Sdim return itostr(Value); 553226584Sdim} 554226584Sdim 555226584SdimInit * 556226584SdimIntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { 557226584Sdim SmallVector<Init *, 16> NewBits(Bits.size()); 558226584Sdim 559226584Sdim for (unsigned i = 0, e = Bits.size(); i != e; ++i) { 560226584Sdim if (Bits[i] >= 64) 561226584Sdim return 0; 562226584Sdim 563226584Sdim NewBits[i] = BitInit::get(Value & (INT64_C(1) << Bits[i])); 564226584Sdim } 565226584Sdim return BitsInit::get(NewBits); 566226584Sdim} 567226584Sdim 568226584SdimStringInit *StringInit::get(const std::string &V) { 569226584Sdim typedef StringMap<StringInit *> Pool; 570226584Sdim static Pool ThePool; 571226584Sdim 572226584Sdim StringInit *&I = ThePool[V]; 573226584Sdim if (!I) I = new StringInit(V); 574226584Sdim return I; 575226584Sdim} 576226584Sdim 577226584SdimCodeInit *CodeInit::get(const std::string &V) { 578226584Sdim typedef StringMap<CodeInit *> Pool; 579226584Sdim static Pool ThePool; 580226584Sdim 581226584Sdim CodeInit *&I = ThePool[V]; 582226584Sdim if (!I) I = new CodeInit(V); 583226584Sdim return I; 584226584Sdim} 585226584Sdim 586226584Sdimstatic void ProfileListInit(FoldingSetNodeID &ID, 587226584Sdim ArrayRef<Init *> Range, 588226584Sdim RecTy *EltTy) { 589226584Sdim ID.AddInteger(Range.size()); 590226584Sdim ID.AddPointer(EltTy); 591226584Sdim 592226584Sdim for (ArrayRef<Init *>::iterator i = Range.begin(), 593226584Sdim iend = Range.end(); 594226584Sdim i != iend; 595226584Sdim ++i) 596226584Sdim ID.AddPointer(*i); 597226584Sdim} 598226584Sdim 599226584SdimListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) { 600226584Sdim typedef FoldingSet<ListInit> Pool; 601226584Sdim static Pool ThePool; 602226584Sdim 603226584Sdim // Just use the FoldingSetNodeID to compute a hash. Use a DenseMap 604226584Sdim // for actual storage. 605226584Sdim FoldingSetNodeID ID; 606226584Sdim ProfileListInit(ID, Range, EltTy); 607226584Sdim 608226584Sdim void *IP = 0; 609226584Sdim if (ListInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) 610226584Sdim return I; 611226584Sdim 612226584Sdim ListInit *I = new ListInit(Range, EltTy); 613226584Sdim ThePool.InsertNode(I, IP); 614226584Sdim return I; 615226584Sdim} 616226584Sdim 617226584Sdimvoid ListInit::Profile(FoldingSetNodeID &ID) const { 618226584Sdim ListRecTy *ListType = dynamic_cast<ListRecTy *>(getType()); 619226584Sdim assert(ListType && "Bad type for ListInit!"); 620226584Sdim RecTy *EltTy = ListType->getElementType(); 621226584Sdim 622226584Sdim ProfileListInit(ID, Values, EltTy); 623226584Sdim} 624226584Sdim 625226584SdimInit * 626226584SdimListInit::convertInitListSlice(const std::vector<unsigned> &Elements) const { 627226584Sdim std::vector<Init*> Vals; 628226584Sdim for (unsigned i = 0, e = Elements.size(); i != e; ++i) { 629226584Sdim if (Elements[i] >= getSize()) 630226584Sdim return 0; 631226584Sdim Vals.push_back(getElement(Elements[i])); 632226584Sdim } 633226584Sdim return ListInit::get(Vals, getType()); 634226584Sdim} 635226584Sdim 636226584SdimRecord *ListInit::getElementAsRecord(unsigned i) const { 637226584Sdim assert(i < Values.size() && "List element index out of range!"); 638226584Sdim DefInit *DI = dynamic_cast<DefInit*>(Values[i]); 639226584Sdim if (DI == 0) throw "Expected record in list!"; 640226584Sdim return DI->getDef(); 641226584Sdim} 642226584Sdim 643226584SdimInit *ListInit::resolveReferences(Record &R, const RecordVal *RV) const { 644226584Sdim std::vector<Init*> Resolved; 645226584Sdim Resolved.reserve(getSize()); 646226584Sdim bool Changed = false; 647226584Sdim 648226584Sdim for (unsigned i = 0, e = getSize(); i != e; ++i) { 649226584Sdim Init *E; 650226584Sdim Init *CurElt = getElement(i); 651226584Sdim 652226584Sdim do { 653226584Sdim E = CurElt; 654226584Sdim CurElt = CurElt->resolveReferences(R, RV); 655226584Sdim Changed |= E != CurElt; 656226584Sdim } while (E != CurElt); 657226584Sdim Resolved.push_back(E); 658226584Sdim } 659226584Sdim 660226584Sdim if (Changed) 661226584Sdim return ListInit::get(Resolved, getType()); 662226584Sdim return const_cast<ListInit *>(this); 663226584Sdim} 664226584Sdim 665226584SdimInit *ListInit::resolveListElementReference(Record &R, const RecordVal *IRV, 666226584Sdim unsigned Elt) const { 667226584Sdim if (Elt >= getSize()) 668226584Sdim return 0; // Out of range reference. 669226584Sdim Init *E = getElement(Elt); 670226584Sdim // If the element is set to some value, or if we are resolving a reference 671226584Sdim // to a specific variable and that variable is explicitly unset, then 672226584Sdim // replace the VarListElementInit with it. 673226584Sdim if (IRV || !dynamic_cast<UnsetInit*>(E)) 674226584Sdim return E; 675226584Sdim return 0; 676226584Sdim} 677226584Sdim 678226584Sdimstd::string ListInit::getAsString() const { 679226584Sdim std::string Result = "["; 680226584Sdim for (unsigned i = 0, e = Values.size(); i != e; ++i) { 681226584Sdim if (i) Result += ", "; 682226584Sdim Result += Values[i]->getAsString(); 683226584Sdim } 684226584Sdim return Result + "]"; 685226584Sdim} 686226584Sdim 687226584SdimInit *OpInit::resolveBitReference(Record &R, const RecordVal *IRV, 688226584Sdim unsigned Bit) const { 689226584Sdim Init *Folded = Fold(&R, 0); 690226584Sdim 691226584Sdim if (Folded != this) { 692226584Sdim TypedInit *Typed = dynamic_cast<TypedInit *>(Folded); 693226584Sdim if (Typed) { 694226584Sdim return Typed->resolveBitReference(R, IRV, Bit); 695226584Sdim } 696226584Sdim } 697226584Sdim 698226584Sdim return 0; 699226584Sdim} 700226584Sdim 701226584SdimInit *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV, 702226584Sdim unsigned Elt) const { 703226584Sdim Init *Resolved = resolveReferences(R, IRV); 704226584Sdim OpInit *OResolved = dynamic_cast<OpInit *>(Resolved); 705226584Sdim if (OResolved) { 706226584Sdim Resolved = OResolved->Fold(&R, 0); 707226584Sdim } 708226584Sdim 709226584Sdim if (Resolved != this) { 710226584Sdim TypedInit *Typed = dynamic_cast<TypedInit *>(Resolved); 711226584Sdim assert(Typed && "Expected typed init for list reference"); 712226584Sdim if (Typed) { 713226584Sdim Init *New = Typed->resolveListElementReference(R, IRV, Elt); 714226584Sdim if (New) 715226584Sdim return New; 716226584Sdim return VarListElementInit::get(Typed, Elt); 717226584Sdim } 718226584Sdim } 719226584Sdim 720226584Sdim return 0; 721226584Sdim} 722226584Sdim 723226584SdimUnOpInit *UnOpInit::get(UnaryOp opc, Init *lhs, RecTy *Type) { 724226584Sdim typedef std::pair<std::pair<unsigned, Init *>, RecTy *> Key; 725226584Sdim 726226584Sdim typedef DenseMap<Key, UnOpInit *> Pool; 727226584Sdim static Pool ThePool; 728226584Sdim 729226584Sdim Key TheKey(std::make_pair(std::make_pair(opc, lhs), Type)); 730226584Sdim 731226584Sdim UnOpInit *&I = ThePool[TheKey]; 732226584Sdim if (!I) I = new UnOpInit(opc, lhs, Type); 733226584Sdim return I; 734226584Sdim} 735226584Sdim 736226584SdimInit *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { 737226584Sdim switch (getOpcode()) { 738226584Sdim default: assert(0 && "Unknown unop"); 739226584Sdim case CAST: { 740226584Sdim if (getType()->getAsString() == "string") { 741226584Sdim StringInit *LHSs = dynamic_cast<StringInit*>(LHS); 742226584Sdim if (LHSs) { 743226584Sdim return LHSs; 744226584Sdim } 745226584Sdim 746226584Sdim DefInit *LHSd = dynamic_cast<DefInit*>(LHS); 747226584Sdim if (LHSd) { 748226584Sdim return StringInit::get(LHSd->getDef()->getName()); 749226584Sdim } 750226584Sdim } else { 751226584Sdim StringInit *LHSs = dynamic_cast<StringInit*>(LHS); 752226584Sdim if (LHSs) { 753226584Sdim std::string Name = LHSs->getValue(); 754226584Sdim 755226584Sdim // From TGParser::ParseIDValue 756226584Sdim if (CurRec) { 757226584Sdim if (const RecordVal *RV = CurRec->getValue(Name)) { 758226584Sdim if (RV->getType() != getType()) 759226584Sdim throw "type mismatch in cast"; 760226584Sdim return VarInit::get(Name, RV->getType()); 761226584Sdim } 762226584Sdim 763226584Sdim std::string TemplateArgName = CurRec->getName()+":"+Name; 764226584Sdim if (CurRec->isTemplateArg(TemplateArgName)) { 765226584Sdim const RecordVal *RV = CurRec->getValue(TemplateArgName); 766226584Sdim assert(RV && "Template arg doesn't exist??"); 767226584Sdim 768226584Sdim if (RV->getType() != getType()) 769226584Sdim throw "type mismatch in cast"; 770226584Sdim 771226584Sdim return VarInit::get(TemplateArgName, RV->getType()); 772226584Sdim } 773226584Sdim } 774226584Sdim 775226584Sdim if (CurMultiClass) { 776226584Sdim std::string MCName = CurMultiClass->Rec.getName()+"::"+Name; 777226584Sdim if (CurMultiClass->Rec.isTemplateArg(MCName)) { 778226584Sdim const RecordVal *RV = CurMultiClass->Rec.getValue(MCName); 779226584Sdim assert(RV && "Template arg doesn't exist??"); 780226584Sdim 781226584Sdim if (RV->getType() != getType()) 782226584Sdim throw "type mismatch in cast"; 783226584Sdim 784226584Sdim return VarInit::get(MCName, RV->getType()); 785226584Sdim } 786226584Sdim } 787226584Sdim 788226584Sdim if (Record *D = (CurRec->getRecords()).getDef(Name)) 789226584Sdim return DefInit::get(D); 790226584Sdim 791226584Sdim throw TGError(CurRec->getLoc(), "Undefined reference:'" + Name + "'\n"); 792226584Sdim } 793226584Sdim } 794226584Sdim break; 795226584Sdim } 796226584Sdim case HEAD: { 797226584Sdim ListInit *LHSl = dynamic_cast<ListInit*>(LHS); 798226584Sdim if (LHSl) { 799226584Sdim if (LHSl->getSize() == 0) { 800226584Sdim assert(0 && "Empty list in car"); 801226584Sdim return 0; 802226584Sdim } 803226584Sdim return LHSl->getElement(0); 804226584Sdim } 805226584Sdim break; 806226584Sdim } 807226584Sdim case TAIL: { 808226584Sdim ListInit *LHSl = dynamic_cast<ListInit*>(LHS); 809226584Sdim if (LHSl) { 810226584Sdim if (LHSl->getSize() == 0) { 811226584Sdim assert(0 && "Empty list in cdr"); 812226584Sdim return 0; 813226584Sdim } 814226584Sdim // Note the +1. We can't just pass the result of getValues() 815226584Sdim // directly. 816226584Sdim ArrayRef<Init *>::iterator begin = LHSl->getValues().begin()+1; 817226584Sdim ArrayRef<Init *>::iterator end = LHSl->getValues().end(); 818226584Sdim ListInit *Result = 819226584Sdim ListInit::get(ArrayRef<Init *>(begin, end - begin), 820226584Sdim LHSl->getType()); 821226584Sdim return Result; 822226584Sdim } 823226584Sdim break; 824226584Sdim } 825226584Sdim case EMPTY: { 826226584Sdim ListInit *LHSl = dynamic_cast<ListInit*>(LHS); 827226584Sdim if (LHSl) { 828226584Sdim if (LHSl->getSize() == 0) { 829226584Sdim return IntInit::get(1); 830226584Sdim } else { 831226584Sdim return IntInit::get(0); 832226584Sdim } 833226584Sdim } 834226584Sdim StringInit *LHSs = dynamic_cast<StringInit*>(LHS); 835226584Sdim if (LHSs) { 836226584Sdim if (LHSs->getValue().empty()) { 837226584Sdim return IntInit::get(1); 838226584Sdim } else { 839226584Sdim return IntInit::get(0); 840226584Sdim } 841226584Sdim } 842226584Sdim 843226584Sdim break; 844226584Sdim } 845226584Sdim } 846226584Sdim return const_cast<UnOpInit *>(this); 847226584Sdim} 848226584Sdim 849226584SdimInit *UnOpInit::resolveReferences(Record &R, const RecordVal *RV) const { 850226584Sdim Init *lhs = LHS->resolveReferences(R, RV); 851226584Sdim 852226584Sdim if (LHS != lhs) 853226584Sdim return (UnOpInit::get(getOpcode(), lhs, getType()))->Fold(&R, 0); 854226584Sdim return Fold(&R, 0); 855226584Sdim} 856226584Sdim 857226584Sdimstd::string UnOpInit::getAsString() const { 858226584Sdim std::string Result; 859226584Sdim switch (Opc) { 860226584Sdim case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break; 861226584Sdim case HEAD: Result = "!head"; break; 862226584Sdim case TAIL: Result = "!tail"; break; 863226584Sdim case EMPTY: Result = "!empty"; break; 864226584Sdim } 865226584Sdim return Result + "(" + LHS->getAsString() + ")"; 866226584Sdim} 867226584Sdim 868226584SdimBinOpInit *BinOpInit::get(BinaryOp opc, Init *lhs, 869226584Sdim Init *rhs, RecTy *Type) { 870226584Sdim typedef std::pair< 871226584Sdim std::pair<std::pair<unsigned, Init *>, Init *>, 872226584Sdim RecTy * 873226584Sdim > Key; 874226584Sdim 875226584Sdim typedef DenseMap<Key, BinOpInit *> Pool; 876226584Sdim static Pool ThePool; 877226584Sdim 878226584Sdim Key TheKey(std::make_pair(std::make_pair(std::make_pair(opc, lhs), rhs), 879226584Sdim Type)); 880226584Sdim 881226584Sdim BinOpInit *&I = ThePool[TheKey]; 882226584Sdim if (!I) I = new BinOpInit(opc, lhs, rhs, Type); 883226584Sdim return I; 884226584Sdim} 885226584Sdim 886226584SdimInit *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { 887226584Sdim switch (getOpcode()) { 888226584Sdim default: assert(0 && "Unknown binop"); 889226584Sdim case CONCAT: { 890226584Sdim DagInit *LHSs = dynamic_cast<DagInit*>(LHS); 891226584Sdim DagInit *RHSs = dynamic_cast<DagInit*>(RHS); 892226584Sdim if (LHSs && RHSs) { 893226584Sdim DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator()); 894226584Sdim DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator()); 895226584Sdim if (LOp == 0 || ROp == 0 || LOp->getDef() != ROp->getDef()) 896226584Sdim throw "Concated Dag operators do not match!"; 897226584Sdim std::vector<Init*> Args; 898226584Sdim std::vector<std::string> ArgNames; 899226584Sdim for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) { 900226584Sdim Args.push_back(LHSs->getArg(i)); 901226584Sdim ArgNames.push_back(LHSs->getArgName(i)); 902226584Sdim } 903226584Sdim for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) { 904226584Sdim Args.push_back(RHSs->getArg(i)); 905226584Sdim ArgNames.push_back(RHSs->getArgName(i)); 906226584Sdim } 907226584Sdim return DagInit::get(LHSs->getOperator(), "", Args, ArgNames); 908226584Sdim } 909226584Sdim break; 910226584Sdim } 911226584Sdim case STRCONCAT: { 912226584Sdim StringInit *LHSs = dynamic_cast<StringInit*>(LHS); 913226584Sdim StringInit *RHSs = dynamic_cast<StringInit*>(RHS); 914226584Sdim if (LHSs && RHSs) 915226584Sdim return StringInit::get(LHSs->getValue() + RHSs->getValue()); 916226584Sdim break; 917226584Sdim } 918226584Sdim case EQ: { 919226584Sdim // try to fold eq comparison for 'bit' and 'int', otherwise fallback 920226584Sdim // to string objects. 921226584Sdim IntInit* L = 922226584Sdim dynamic_cast<IntInit*>(LHS->convertInitializerTo(IntRecTy::get())); 923226584Sdim IntInit* R = 924226584Sdim dynamic_cast<IntInit*>(RHS->convertInitializerTo(IntRecTy::get())); 925226584Sdim 926226584Sdim if (L && R) 927226584Sdim return IntInit::get(L->getValue() == R->getValue()); 928226584Sdim 929226584Sdim StringInit *LHSs = dynamic_cast<StringInit*>(LHS); 930226584Sdim StringInit *RHSs = dynamic_cast<StringInit*>(RHS); 931226584Sdim 932226584Sdim // Make sure we've resolved 933226584Sdim if (LHSs && RHSs) 934226584Sdim return IntInit::get(LHSs->getValue() == RHSs->getValue()); 935226584Sdim 936226584Sdim break; 937226584Sdim } 938226584Sdim case SHL: 939226584Sdim case SRA: 940226584Sdim case SRL: { 941226584Sdim IntInit *LHSi = dynamic_cast<IntInit*>(LHS); 942226584Sdim IntInit *RHSi = dynamic_cast<IntInit*>(RHS); 943226584Sdim if (LHSi && RHSi) { 944226584Sdim int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue(); 945226584Sdim int64_t Result; 946226584Sdim switch (getOpcode()) { 947226584Sdim default: assert(0 && "Bad opcode!"); 948226584Sdim case SHL: Result = LHSv << RHSv; break; 949226584Sdim case SRA: Result = LHSv >> RHSv; break; 950226584Sdim case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break; 951226584Sdim } 952226584Sdim return IntInit::get(Result); 953226584Sdim } 954226584Sdim break; 955226584Sdim } 956226584Sdim } 957226584Sdim return const_cast<BinOpInit *>(this); 958226584Sdim} 959226584Sdim 960226584SdimInit *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) const { 961226584Sdim Init *lhs = LHS->resolveReferences(R, RV); 962226584Sdim Init *rhs = RHS->resolveReferences(R, RV); 963226584Sdim 964226584Sdim if (LHS != lhs || RHS != rhs) 965226584Sdim return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))->Fold(&R, 0); 966226584Sdim return Fold(&R, 0); 967226584Sdim} 968226584Sdim 969226584Sdimstd::string BinOpInit::getAsString() const { 970226584Sdim std::string Result; 971226584Sdim switch (Opc) { 972226584Sdim case CONCAT: Result = "!con"; break; 973226584Sdim case SHL: Result = "!shl"; break; 974226584Sdim case SRA: Result = "!sra"; break; 975226584Sdim case SRL: Result = "!srl"; break; 976226584Sdim case EQ: Result = "!eq"; break; 977226584Sdim case STRCONCAT: Result = "!strconcat"; break; 978226584Sdim } 979226584Sdim return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")"; 980226584Sdim} 981226584Sdim 982226584SdimTernOpInit *TernOpInit::get(TernaryOp opc, Init *lhs, 983226584Sdim Init *mhs, Init *rhs, 984226584Sdim RecTy *Type) { 985226584Sdim typedef std::pair< 986226584Sdim std::pair< 987226584Sdim std::pair<std::pair<unsigned, RecTy *>, Init *>, 988226584Sdim Init * 989226584Sdim >, 990226584Sdim Init * 991226584Sdim > Key; 992226584Sdim 993226584Sdim typedef DenseMap<Key, TernOpInit *> Pool; 994226584Sdim static Pool ThePool; 995226584Sdim 996226584Sdim Key TheKey(std::make_pair(std::make_pair(std::make_pair(std::make_pair(opc, 997226584Sdim Type), 998226584Sdim lhs), 999226584Sdim mhs), 1000226584Sdim rhs)); 1001226584Sdim 1002226584Sdim TernOpInit *&I = ThePool[TheKey]; 1003226584Sdim if (!I) I = new TernOpInit(opc, lhs, mhs, rhs, Type); 1004226584Sdim return I; 1005226584Sdim} 1006226584Sdim 1007226584Sdimstatic Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, 1008226584Sdim Record *CurRec, MultiClass *CurMultiClass); 1009226584Sdim 1010226584Sdimstatic Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg, 1011226584Sdim RecTy *Type, Record *CurRec, 1012226584Sdim MultiClass *CurMultiClass) { 1013226584Sdim std::vector<Init *> NewOperands; 1014226584Sdim 1015226584Sdim TypedInit *TArg = dynamic_cast<TypedInit*>(Arg); 1016226584Sdim 1017226584Sdim // If this is a dag, recurse 1018226584Sdim if (TArg && TArg->getType()->getAsString() == "dag") { 1019226584Sdim Init *Result = ForeachHelper(LHS, Arg, RHSo, Type, 1020226584Sdim CurRec, CurMultiClass); 1021226584Sdim if (Result != 0) { 1022226584Sdim return Result; 1023226584Sdim } else { 1024226584Sdim return 0; 1025226584Sdim } 1026226584Sdim } 1027226584Sdim 1028226584Sdim for (int i = 0; i < RHSo->getNumOperands(); ++i) { 1029226584Sdim OpInit *RHSoo = dynamic_cast<OpInit*>(RHSo->getOperand(i)); 1030226584Sdim 1031226584Sdim if (RHSoo) { 1032226584Sdim Init *Result = EvaluateOperation(RHSoo, LHS, Arg, 1033226584Sdim Type, CurRec, CurMultiClass); 1034226584Sdim if (Result != 0) { 1035226584Sdim NewOperands.push_back(Result); 1036226584Sdim } else { 1037226584Sdim NewOperands.push_back(Arg); 1038226584Sdim } 1039226584Sdim } else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) { 1040226584Sdim NewOperands.push_back(Arg); 1041226584Sdim } else { 1042226584Sdim NewOperands.push_back(RHSo->getOperand(i)); 1043226584Sdim } 1044226584Sdim } 1045226584Sdim 1046226584Sdim // Now run the operator and use its result as the new leaf 1047226584Sdim const OpInit *NewOp = RHSo->clone(NewOperands); 1048226584Sdim Init *NewVal = NewOp->Fold(CurRec, CurMultiClass); 1049226584Sdim if (NewVal != NewOp) 1050226584Sdim return NewVal; 1051226584Sdim 1052226584Sdim return 0; 1053226584Sdim} 1054226584Sdim 1055226584Sdimstatic Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, 1056226584Sdim Record *CurRec, MultiClass *CurMultiClass) { 1057226584Sdim DagInit *MHSd = dynamic_cast<DagInit*>(MHS); 1058226584Sdim ListInit *MHSl = dynamic_cast<ListInit*>(MHS); 1059226584Sdim 1060226584Sdim DagRecTy *DagType = dynamic_cast<DagRecTy*>(Type); 1061226584Sdim ListRecTy *ListType = dynamic_cast<ListRecTy*>(Type); 1062226584Sdim 1063226584Sdim OpInit *RHSo = dynamic_cast<OpInit*>(RHS); 1064226584Sdim 1065226584Sdim if (!RHSo) { 1066226584Sdim throw TGError(CurRec->getLoc(), "!foreach requires an operator\n"); 1067226584Sdim } 1068226584Sdim 1069226584Sdim TypedInit *LHSt = dynamic_cast<TypedInit*>(LHS); 1070226584Sdim 1071226584Sdim if (!LHSt) { 1072226584Sdim throw TGError(CurRec->getLoc(), "!foreach requires typed variable\n"); 1073226584Sdim } 1074226584Sdim 1075226584Sdim if ((MHSd && DagType) || (MHSl && ListType)) { 1076226584Sdim if (MHSd) { 1077226584Sdim Init *Val = MHSd->getOperator(); 1078226584Sdim Init *Result = EvaluateOperation(RHSo, LHS, Val, 1079226584Sdim Type, CurRec, CurMultiClass); 1080226584Sdim if (Result != 0) { 1081226584Sdim Val = Result; 1082226584Sdim } 1083226584Sdim 1084226584Sdim std::vector<std::pair<Init *, std::string> > args; 1085226584Sdim for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) { 1086226584Sdim Init *Arg; 1087226584Sdim std::string ArgName; 1088226584Sdim Arg = MHSd->getArg(i); 1089226584Sdim ArgName = MHSd->getArgName(i); 1090226584Sdim 1091226584Sdim // Process args 1092226584Sdim Init *Result = EvaluateOperation(RHSo, LHS, Arg, Type, 1093226584Sdim CurRec, CurMultiClass); 1094226584Sdim if (Result != 0) { 1095226584Sdim Arg = Result; 1096226584Sdim } 1097226584Sdim 1098226584Sdim // TODO: Process arg names 1099226584Sdim args.push_back(std::make_pair(Arg, ArgName)); 1100226584Sdim } 1101226584Sdim 1102226584Sdim return DagInit::get(Val, "", args); 1103226584Sdim } 1104226584Sdim if (MHSl) { 1105226584Sdim std::vector<Init *> NewOperands; 1106226584Sdim std::vector<Init *> NewList(MHSl->begin(), MHSl->end()); 1107226584Sdim 1108226584Sdim for (std::vector<Init *>::iterator li = NewList.begin(), 1109226584Sdim liend = NewList.end(); 1110226584Sdim li != liend; 1111226584Sdim ++li) { 1112226584Sdim Init *Item = *li; 1113226584Sdim NewOperands.clear(); 1114226584Sdim for(int i = 0; i < RHSo->getNumOperands(); ++i) { 1115226584Sdim // First, replace the foreach variable with the list item 1116226584Sdim if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) { 1117226584Sdim NewOperands.push_back(Item); 1118226584Sdim } else { 1119226584Sdim NewOperands.push_back(RHSo->getOperand(i)); 1120226584Sdim } 1121226584Sdim } 1122226584Sdim 1123226584Sdim // Now run the operator and use its result as the new list item 1124226584Sdim const OpInit *NewOp = RHSo->clone(NewOperands); 1125226584Sdim Init *NewItem = NewOp->Fold(CurRec, CurMultiClass); 1126226584Sdim if (NewItem != NewOp) 1127226584Sdim *li = NewItem; 1128226584Sdim } 1129226584Sdim return ListInit::get(NewList, MHSl->getType()); 1130226584Sdim } 1131226584Sdim } 1132226584Sdim return 0; 1133226584Sdim} 1134226584Sdim 1135226584SdimInit *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { 1136226584Sdim switch (getOpcode()) { 1137226584Sdim default: assert(0 && "Unknown binop"); 1138226584Sdim case SUBST: { 1139226584Sdim DefInit *LHSd = dynamic_cast<DefInit*>(LHS); 1140226584Sdim VarInit *LHSv = dynamic_cast<VarInit*>(LHS); 1141226584Sdim StringInit *LHSs = dynamic_cast<StringInit*>(LHS); 1142226584Sdim 1143226584Sdim DefInit *MHSd = dynamic_cast<DefInit*>(MHS); 1144226584Sdim VarInit *MHSv = dynamic_cast<VarInit*>(MHS); 1145226584Sdim StringInit *MHSs = dynamic_cast<StringInit*>(MHS); 1146226584Sdim 1147226584Sdim DefInit *RHSd = dynamic_cast<DefInit*>(RHS); 1148226584Sdim VarInit *RHSv = dynamic_cast<VarInit*>(RHS); 1149226584Sdim StringInit *RHSs = dynamic_cast<StringInit*>(RHS); 1150226584Sdim 1151226584Sdim if ((LHSd && MHSd && RHSd) 1152226584Sdim || (LHSv && MHSv && RHSv) 1153226584Sdim || (LHSs && MHSs && RHSs)) { 1154226584Sdim if (RHSd) { 1155226584Sdim Record *Val = RHSd->getDef(); 1156226584Sdim if (LHSd->getAsString() == RHSd->getAsString()) { 1157226584Sdim Val = MHSd->getDef(); 1158226584Sdim } 1159226584Sdim return DefInit::get(Val); 1160226584Sdim } 1161226584Sdim if (RHSv) { 1162226584Sdim std::string Val = RHSv->getName(); 1163226584Sdim if (LHSv->getAsString() == RHSv->getAsString()) { 1164226584Sdim Val = MHSv->getName(); 1165226584Sdim } 1166226584Sdim return VarInit::get(Val, getType()); 1167226584Sdim } 1168226584Sdim if (RHSs) { 1169226584Sdim std::string Val = RHSs->getValue(); 1170226584Sdim 1171226584Sdim std::string::size_type found; 1172226584Sdim std::string::size_type idx = 0; 1173226584Sdim do { 1174226584Sdim found = Val.find(LHSs->getValue(), idx); 1175226584Sdim if (found != std::string::npos) { 1176226584Sdim Val.replace(found, LHSs->getValue().size(), MHSs->getValue()); 1177226584Sdim } 1178226584Sdim idx = found + MHSs->getValue().size(); 1179226584Sdim } while (found != std::string::npos); 1180226584Sdim 1181226584Sdim return StringInit::get(Val); 1182226584Sdim } 1183226584Sdim } 1184226584Sdim break; 1185226584Sdim } 1186226584Sdim 1187226584Sdim case FOREACH: { 1188226584Sdim Init *Result = ForeachHelper(LHS, MHS, RHS, getType(), 1189226584Sdim CurRec, CurMultiClass); 1190226584Sdim if (Result != 0) { 1191226584Sdim return Result; 1192226584Sdim } 1193226584Sdim break; 1194226584Sdim } 1195226584Sdim 1196226584Sdim case IF: { 1197226584Sdim IntInit *LHSi = dynamic_cast<IntInit*>(LHS); 1198226584Sdim if (Init *I = LHS->convertInitializerTo(IntRecTy::get())) 1199226584Sdim LHSi = dynamic_cast<IntInit*>(I); 1200226584Sdim if (LHSi) { 1201226584Sdim if (LHSi->getValue()) { 1202226584Sdim return MHS; 1203226584Sdim } else { 1204226584Sdim return RHS; 1205226584Sdim } 1206226584Sdim } 1207226584Sdim break; 1208226584Sdim } 1209226584Sdim } 1210226584Sdim 1211226584Sdim return const_cast<TernOpInit *>(this); 1212226584Sdim} 1213226584Sdim 1214226584SdimInit *TernOpInit::resolveReferences(Record &R, 1215226584Sdim const RecordVal *RV) const { 1216226584Sdim Init *lhs = LHS->resolveReferences(R, RV); 1217226584Sdim 1218226584Sdim if (Opc == IF && lhs != LHS) { 1219226584Sdim IntInit *Value = dynamic_cast<IntInit*>(lhs); 1220226584Sdim if (Init *I = lhs->convertInitializerTo(IntRecTy::get())) 1221226584Sdim Value = dynamic_cast<IntInit*>(I); 1222226584Sdim if (Value != 0) { 1223226584Sdim // Short-circuit 1224226584Sdim if (Value->getValue()) { 1225226584Sdim Init *mhs = MHS->resolveReferences(R, RV); 1226226584Sdim return (TernOpInit::get(getOpcode(), lhs, mhs, 1227226584Sdim RHS, getType()))->Fold(&R, 0); 1228226584Sdim } else { 1229226584Sdim Init *rhs = RHS->resolveReferences(R, RV); 1230226584Sdim return (TernOpInit::get(getOpcode(), lhs, MHS, 1231226584Sdim rhs, getType()))->Fold(&R, 0); 1232226584Sdim } 1233226584Sdim } 1234226584Sdim } 1235226584Sdim 1236226584Sdim Init *mhs = MHS->resolveReferences(R, RV); 1237226584Sdim Init *rhs = RHS->resolveReferences(R, RV); 1238226584Sdim 1239226584Sdim if (LHS != lhs || MHS != mhs || RHS != rhs) 1240226584Sdim return (TernOpInit::get(getOpcode(), lhs, mhs, rhs, 1241226584Sdim getType()))->Fold(&R, 0); 1242226584Sdim return Fold(&R, 0); 1243226584Sdim} 1244226584Sdim 1245226584Sdimstd::string TernOpInit::getAsString() const { 1246226584Sdim std::string Result; 1247226584Sdim switch (Opc) { 1248226584Sdim case SUBST: Result = "!subst"; break; 1249226584Sdim case FOREACH: Result = "!foreach"; break; 1250226584Sdim case IF: Result = "!if"; break; 1251226584Sdim } 1252226584Sdim return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", " 1253226584Sdim + RHS->getAsString() + ")"; 1254226584Sdim} 1255226584Sdim 1256226584SdimRecTy *TypedInit::getFieldType(const std::string &FieldName) const { 1257226584Sdim RecordRecTy *RecordType = dynamic_cast<RecordRecTy *>(getType()); 1258226584Sdim if (RecordType) { 1259226584Sdim RecordVal *Field = RecordType->getRecord()->getValue(FieldName); 1260226584Sdim if (Field) { 1261226584Sdim return Field->getType(); 1262226584Sdim } 1263226584Sdim } 1264226584Sdim return 0; 1265226584Sdim} 1266226584Sdim 1267226584SdimInit * 1268226584SdimTypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { 1269226584Sdim BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType()); 1270226584Sdim if (T == 0) return 0; // Cannot subscript a non-bits variable. 1271226584Sdim unsigned NumBits = T->getNumBits(); 1272226584Sdim 1273226584Sdim SmallVector<Init *, 16> NewBits(Bits.size()); 1274226584Sdim for (unsigned i = 0, e = Bits.size(); i != e; ++i) { 1275226584Sdim if (Bits[i] >= NumBits) 1276226584Sdim return 0; 1277226584Sdim 1278226584Sdim NewBits[i] = VarBitInit::get(const_cast<TypedInit *>(this), Bits[i]); 1279226584Sdim } 1280226584Sdim return BitsInit::get(NewBits); 1281226584Sdim} 1282226584Sdim 1283226584SdimInit * 1284226584SdimTypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) const { 1285226584Sdim ListRecTy *T = dynamic_cast<ListRecTy*>(getType()); 1286226584Sdim if (T == 0) return 0; // Cannot subscript a non-list variable. 1287226584Sdim 1288226584Sdim if (Elements.size() == 1) 1289226584Sdim return VarListElementInit::get(const_cast<TypedInit *>(this), Elements[0]); 1290226584Sdim 1291226584Sdim std::vector<Init*> ListInits; 1292226584Sdim ListInits.reserve(Elements.size()); 1293226584Sdim for (unsigned i = 0, e = Elements.size(); i != e; ++i) 1294226584Sdim ListInits.push_back(VarListElementInit::get(const_cast<TypedInit *>(this), 1295226584Sdim Elements[i])); 1296226584Sdim return ListInit::get(ListInits, T); 1297226584Sdim} 1298226584Sdim 1299226584Sdim 1300226584SdimVarInit *VarInit::get(const std::string &VN, RecTy *T) { 1301226584Sdim typedef std::pair<RecTy *, TableGenStringKey> Key; 1302226584Sdim typedef DenseMap<Key, VarInit *> Pool; 1303226584Sdim static Pool ThePool; 1304226584Sdim 1305226584Sdim Key TheKey(std::make_pair(T, VN)); 1306226584Sdim 1307226584Sdim VarInit *&I = ThePool[TheKey]; 1308226584Sdim if (!I) I = new VarInit(VN, T); 1309226584Sdim return I; 1310226584Sdim} 1311226584Sdim 1312226584SdimInit *VarInit::resolveBitReference(Record &R, const RecordVal *IRV, 1313226584Sdim unsigned Bit) const { 1314226584Sdim if (R.isTemplateArg(getName())) return 0; 1315226584Sdim if (IRV && IRV->getName() != getName()) return 0; 1316226584Sdim 1317226584Sdim RecordVal *RV = R.getValue(getName()); 1318226584Sdim assert(RV && "Reference to a non-existent variable?"); 1319226584Sdim assert(dynamic_cast<BitsInit*>(RV->getValue())); 1320226584Sdim BitsInit *BI = (BitsInit*)RV->getValue(); 1321226584Sdim 1322226584Sdim assert(Bit < BI->getNumBits() && "Bit reference out of range!"); 1323226584Sdim Init *B = BI->getBit(Bit); 1324226584Sdim 1325226584Sdim // If the bit is set to some value, or if we are resolving a reference to a 1326226584Sdim // specific variable and that variable is explicitly unset, then replace the 1327226584Sdim // VarBitInit with it. 1328226584Sdim if (IRV || !dynamic_cast<UnsetInit*>(B)) 1329226584Sdim return B; 1330226584Sdim return 0; 1331226584Sdim} 1332226584Sdim 1333226584SdimInit *VarInit::resolveListElementReference(Record &R, 1334226584Sdim const RecordVal *IRV, 1335226584Sdim unsigned Elt) const { 1336226584Sdim if (R.isTemplateArg(getName())) return 0; 1337226584Sdim if (IRV && IRV->getName() != getName()) return 0; 1338226584Sdim 1339226584Sdim RecordVal *RV = R.getValue(getName()); 1340226584Sdim assert(RV && "Reference to a non-existent variable?"); 1341226584Sdim ListInit *LI = dynamic_cast<ListInit*>(RV->getValue()); 1342226584Sdim if (!LI) { 1343226584Sdim TypedInit *VI = dynamic_cast<TypedInit*>(RV->getValue()); 1344226584Sdim assert(VI && "Invalid list element!"); 1345226584Sdim return VarListElementInit::get(VI, Elt); 1346226584Sdim } 1347226584Sdim 1348226584Sdim if (Elt >= LI->getSize()) 1349226584Sdim return 0; // Out of range reference. 1350226584Sdim Init *E = LI->getElement(Elt); 1351226584Sdim // If the element is set to some value, or if we are resolving a reference 1352226584Sdim // to a specific variable and that variable is explicitly unset, then 1353226584Sdim // replace the VarListElementInit with it. 1354226584Sdim if (IRV || !dynamic_cast<UnsetInit*>(E)) 1355226584Sdim return E; 1356226584Sdim return 0; 1357226584Sdim} 1358226584Sdim 1359226584Sdim 1360226584SdimRecTy *VarInit::getFieldType(const std::string &FieldName) const { 1361226584Sdim if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType())) 1362226584Sdim if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName)) 1363226584Sdim return RV->getType(); 1364226584Sdim return 0; 1365226584Sdim} 1366226584Sdim 1367226584SdimInit *VarInit::getFieldInit(Record &R, const RecordVal *RV, 1368226584Sdim const std::string &FieldName) const { 1369226584Sdim if (dynamic_cast<RecordRecTy*>(getType())) 1370226584Sdim if (const RecordVal *Val = R.getValue(VarName)) { 1371226584Sdim if (RV != Val && (RV || dynamic_cast<UnsetInit*>(Val->getValue()))) 1372226584Sdim return 0; 1373226584Sdim Init *TheInit = Val->getValue(); 1374226584Sdim assert(TheInit != this && "Infinite loop detected!"); 1375226584Sdim if (Init *I = TheInit->getFieldInit(R, RV, FieldName)) 1376226584Sdim return I; 1377226584Sdim else 1378226584Sdim return 0; 1379226584Sdim } 1380226584Sdim return 0; 1381226584Sdim} 1382226584Sdim 1383226584Sdim/// resolveReferences - This method is used by classes that refer to other 1384226584Sdim/// variables which may not be defined at the time the expression is formed. 1385226584Sdim/// If a value is set for the variable later, this method will be called on 1386226584Sdim/// users of the value to allow the value to propagate out. 1387226584Sdim/// 1388226584SdimInit *VarInit::resolveReferences(Record &R, const RecordVal *RV) const { 1389226584Sdim if (RecordVal *Val = R.getValue(VarName)) 1390226584Sdim if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue()))) 1391226584Sdim return Val->getValue(); 1392226584Sdim return const_cast<VarInit *>(this); 1393226584Sdim} 1394226584Sdim 1395226584SdimVarBitInit *VarBitInit::get(TypedInit *T, unsigned B) { 1396226584Sdim typedef std::pair<TypedInit *, unsigned> Key; 1397226584Sdim typedef DenseMap<Key, VarBitInit *> Pool; 1398226584Sdim 1399226584Sdim static Pool ThePool; 1400226584Sdim 1401226584Sdim Key TheKey(std::make_pair(T, B)); 1402226584Sdim 1403226584Sdim VarBitInit *&I = ThePool[TheKey]; 1404226584Sdim if (!I) I = new VarBitInit(T, B); 1405226584Sdim return I; 1406226584Sdim} 1407226584Sdim 1408226584Sdimstd::string VarBitInit::getAsString() const { 1409226584Sdim return TI->getAsString() + "{" + utostr(Bit) + "}"; 1410226584Sdim} 1411226584Sdim 1412226584SdimInit *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) const { 1413226584Sdim if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum())) 1414226584Sdim return I; 1415226584Sdim return const_cast<VarBitInit *>(this); 1416226584Sdim} 1417226584Sdim 1418226584SdimVarListElementInit *VarListElementInit::get(TypedInit *T, 1419226584Sdim unsigned E) { 1420226584Sdim typedef std::pair<TypedInit *, unsigned> Key; 1421226584Sdim typedef DenseMap<Key, VarListElementInit *> Pool; 1422226584Sdim 1423226584Sdim static Pool ThePool; 1424226584Sdim 1425226584Sdim Key TheKey(std::make_pair(T, E)); 1426226584Sdim 1427226584Sdim VarListElementInit *&I = ThePool[TheKey]; 1428226584Sdim if (!I) I = new VarListElementInit(T, E); 1429226584Sdim return I; 1430226584Sdim} 1431226584Sdim 1432226584Sdimstd::string VarListElementInit::getAsString() const { 1433226584Sdim return TI->getAsString() + "[" + utostr(Element) + "]"; 1434226584Sdim} 1435226584Sdim 1436226584SdimInit * 1437226584SdimVarListElementInit::resolveReferences(Record &R, const RecordVal *RV) const { 1438226584Sdim if (Init *I = getVariable()->resolveListElementReference(R, RV, 1439226584Sdim getElementNum())) 1440226584Sdim return I; 1441226584Sdim return const_cast<VarListElementInit *>(this); 1442226584Sdim} 1443226584Sdim 1444226584SdimInit *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV, 1445226584Sdim unsigned Bit) const { 1446226584Sdim // FIXME: This should be implemented, to support references like: 1447226584Sdim // bit B = AA[0]{1}; 1448226584Sdim return 0; 1449226584Sdim} 1450226584Sdim 1451226584SdimInit *VarListElementInit:: resolveListElementReference(Record &R, 1452226584Sdim const RecordVal *RV, 1453226584Sdim unsigned Elt) const { 1454226584Sdim Init *Result = TI->resolveListElementReference(R, RV, Element); 1455226584Sdim 1456226584Sdim if (Result) { 1457226584Sdim TypedInit *TInit = dynamic_cast<TypedInit *>(Result); 1458226584Sdim if (TInit) { 1459226584Sdim Init *Result2 = TInit->resolveListElementReference(R, RV, Elt); 1460226584Sdim if (Result2) return Result2; 1461226584Sdim return new VarListElementInit(TInit, Elt); 1462226584Sdim } 1463226584Sdim return Result; 1464226584Sdim } 1465226584Sdim 1466226584Sdim return 0; 1467226584Sdim} 1468226584Sdim 1469226584SdimDefInit *DefInit::get(Record *R) { 1470226584Sdim return R->getDefInit(); 1471226584Sdim} 1472226584Sdim 1473226584SdimRecTy *DefInit::getFieldType(const std::string &FieldName) const { 1474226584Sdim if (const RecordVal *RV = Def->getValue(FieldName)) 1475226584Sdim return RV->getType(); 1476226584Sdim return 0; 1477226584Sdim} 1478226584Sdim 1479226584SdimInit *DefInit::getFieldInit(Record &R, const RecordVal *RV, 1480226584Sdim const std::string &FieldName) const { 1481226584Sdim return Def->getValue(FieldName)->getValue(); 1482226584Sdim} 1483226584Sdim 1484226584Sdim 1485226584Sdimstd::string DefInit::getAsString() const { 1486226584Sdim return Def->getName(); 1487226584Sdim} 1488226584Sdim 1489226584SdimFieldInit *FieldInit::get(Init *R, const std::string &FN) { 1490226584Sdim typedef std::pair<Init *, TableGenStringKey> Key; 1491226584Sdim typedef DenseMap<Key, FieldInit *> Pool; 1492226584Sdim static Pool ThePool; 1493226584Sdim 1494226584Sdim Key TheKey(std::make_pair(R, FN)); 1495226584Sdim 1496226584Sdim FieldInit *&I = ThePool[TheKey]; 1497226584Sdim if (!I) I = new FieldInit(R, FN); 1498226584Sdim return I; 1499226584Sdim} 1500226584Sdim 1501226584SdimInit *FieldInit::resolveBitReference(Record &R, const RecordVal *RV, 1502226584Sdim unsigned Bit) const { 1503226584Sdim if (Init *BitsVal = Rec->getFieldInit(R, RV, FieldName)) 1504226584Sdim if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) { 1505226584Sdim assert(Bit < BI->getNumBits() && "Bit reference out of range!"); 1506226584Sdim Init *B = BI->getBit(Bit); 1507226584Sdim 1508226584Sdim if (dynamic_cast<BitInit*>(B)) // If the bit is set. 1509226584Sdim return B; // Replace the VarBitInit with it. 1510226584Sdim } 1511226584Sdim return 0; 1512226584Sdim} 1513226584Sdim 1514226584SdimInit *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV, 1515226584Sdim unsigned Elt) const { 1516226584Sdim if (Init *ListVal = Rec->getFieldInit(R, RV, FieldName)) 1517226584Sdim if (ListInit *LI = dynamic_cast<ListInit*>(ListVal)) { 1518226584Sdim if (Elt >= LI->getSize()) return 0; 1519226584Sdim Init *E = LI->getElement(Elt); 1520226584Sdim 1521226584Sdim // If the element is set to some value, or if we are resolving a 1522226584Sdim // reference to a specific variable and that variable is explicitly 1523226584Sdim // unset, then replace the VarListElementInit with it. 1524226584Sdim if (RV || !dynamic_cast<UnsetInit*>(E)) 1525226584Sdim return E; 1526226584Sdim } 1527226584Sdim return 0; 1528226584Sdim} 1529226584Sdim 1530226584SdimInit *FieldInit::resolveReferences(Record &R, const RecordVal *RV) const { 1531226584Sdim Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec; 1532226584Sdim 1533226584Sdim Init *BitsVal = NewRec->getFieldInit(R, RV, FieldName); 1534226584Sdim if (BitsVal) { 1535226584Sdim Init *BVR = BitsVal->resolveReferences(R, RV); 1536226584Sdim return BVR->isComplete() ? BVR : const_cast<FieldInit *>(this); 1537226584Sdim } 1538226584Sdim 1539226584Sdim if (NewRec != Rec) { 1540226584Sdim return FieldInit::get(NewRec, FieldName); 1541226584Sdim } 1542226584Sdim return const_cast<FieldInit *>(this); 1543226584Sdim} 1544226584Sdim 1545226584Sdimvoid ProfileDagInit(FoldingSetNodeID &ID, 1546226584Sdim Init *V, 1547226584Sdim const std::string &VN, 1548226584Sdim ArrayRef<Init *> ArgRange, 1549226584Sdim ArrayRef<std::string> NameRange) { 1550226584Sdim ID.AddPointer(V); 1551226584Sdim ID.AddString(VN); 1552226584Sdim 1553226584Sdim ArrayRef<Init *>::iterator Arg = ArgRange.begin(); 1554226584Sdim ArrayRef<std::string>::iterator Name = NameRange.begin(); 1555226584Sdim while (Arg != ArgRange.end()) { 1556226584Sdim assert(Name != NameRange.end() && "Arg name underflow!"); 1557226584Sdim ID.AddPointer(*Arg++); 1558226584Sdim ID.AddString(*Name++); 1559226584Sdim } 1560226584Sdim assert(Name == NameRange.end() && "Arg name overflow!"); 1561226584Sdim} 1562226584Sdim 1563226584SdimDagInit * 1564226584SdimDagInit::get(Init *V, const std::string &VN, 1565226584Sdim ArrayRef<Init *> ArgRange, 1566226584Sdim ArrayRef<std::string> NameRange) { 1567226584Sdim typedef FoldingSet<DagInit> Pool; 1568226584Sdim static Pool ThePool; 1569226584Sdim 1570226584Sdim FoldingSetNodeID ID; 1571226584Sdim ProfileDagInit(ID, V, VN, ArgRange, NameRange); 1572226584Sdim 1573226584Sdim void *IP = 0; 1574226584Sdim if (DagInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) 1575226584Sdim return I; 1576226584Sdim 1577226584Sdim DagInit *I = new DagInit(V, VN, ArgRange, NameRange); 1578226584Sdim ThePool.InsertNode(I, IP); 1579226584Sdim 1580226584Sdim return I; 1581226584Sdim} 1582226584Sdim 1583226584SdimDagInit * 1584226584SdimDagInit::get(Init *V, const std::string &VN, 1585226584Sdim const std::vector<std::pair<Init*, std::string> > &args) { 1586226584Sdim typedef std::pair<Init*, std::string> PairType; 1587226584Sdim 1588226584Sdim std::vector<Init *> Args; 1589226584Sdim std::vector<std::string> Names; 1590226584Sdim 1591226584Sdim for (std::vector<PairType>::const_iterator i = args.begin(), 1592226584Sdim iend = args.end(); 1593226584Sdim i != iend; 1594226584Sdim ++i) { 1595226584Sdim Args.push_back(i->first); 1596226584Sdim Names.push_back(i->second); 1597226584Sdim } 1598226584Sdim 1599226584Sdim return DagInit::get(V, VN, Args, Names); 1600226584Sdim} 1601226584Sdim 1602226584Sdimvoid DagInit::Profile(FoldingSetNodeID &ID) const { 1603226584Sdim ProfileDagInit(ID, Val, ValName, Args, ArgNames); 1604226584Sdim} 1605226584Sdim 1606226584SdimInit *DagInit::resolveReferences(Record &R, const RecordVal *RV) const { 1607226584Sdim std::vector<Init*> NewArgs; 1608226584Sdim for (unsigned i = 0, e = Args.size(); i != e; ++i) 1609226584Sdim NewArgs.push_back(Args[i]->resolveReferences(R, RV)); 1610226584Sdim 1611226584Sdim Init *Op = Val->resolveReferences(R, RV); 1612226584Sdim 1613226584Sdim if (Args != NewArgs || Op != Val) 1614226584Sdim return DagInit::get(Op, ValName, NewArgs, ArgNames); 1615226584Sdim 1616226584Sdim return const_cast<DagInit *>(this); 1617226584Sdim} 1618226584Sdim 1619226584Sdim 1620226584Sdimstd::string DagInit::getAsString() const { 1621226584Sdim std::string Result = "(" + Val->getAsString(); 1622226584Sdim if (!ValName.empty()) 1623226584Sdim Result += ":" + ValName; 1624226584Sdim if (Args.size()) { 1625226584Sdim Result += " " + Args[0]->getAsString(); 1626226584Sdim if (!ArgNames[0].empty()) Result += ":$" + ArgNames[0]; 1627226584Sdim for (unsigned i = 1, e = Args.size(); i != e; ++i) { 1628226584Sdim Result += ", " + Args[i]->getAsString(); 1629226584Sdim if (!ArgNames[i].empty()) Result += ":$" + ArgNames[i]; 1630226584Sdim } 1631226584Sdim } 1632226584Sdim return Result + ")"; 1633226584Sdim} 1634226584Sdim 1635226584Sdim 1636226584Sdim//===----------------------------------------------------------------------===// 1637226584Sdim// Other implementations 1638226584Sdim//===----------------------------------------------------------------------===// 1639226584Sdim 1640226584SdimRecordVal::RecordVal(Init *N, RecTy *T, unsigned P) 1641226584Sdim : Name(N), Ty(T), Prefix(P) { 1642226584Sdim Value = Ty->convertValue(UnsetInit::get()); 1643226584Sdim assert(Value && "Cannot create unset value for current type!"); 1644226584Sdim} 1645226584Sdim 1646226584SdimRecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P) 1647226584Sdim : Name(StringInit::get(N)), Ty(T), Prefix(P) { 1648226584Sdim Value = Ty->convertValue(UnsetInit::get()); 1649226584Sdim assert(Value && "Cannot create unset value for current type!"); 1650226584Sdim} 1651226584Sdim 1652226584Sdimconst std::string &RecordVal::getName() const { 1653226584Sdim StringInit *NameString = dynamic_cast<StringInit *>(Name); 1654226584Sdim assert(NameString && "RecordVal name is not a string!"); 1655226584Sdim return NameString->getValue(); 1656226584Sdim} 1657226584Sdim 1658226584Sdimvoid RecordVal::dump() const { errs() << *this; } 1659226584Sdim 1660226584Sdimvoid RecordVal::print(raw_ostream &OS, bool PrintSem) const { 1661226584Sdim if (getPrefix()) OS << "field "; 1662226584Sdim OS << *getType() << " " << getName(); 1663226584Sdim 1664226584Sdim if (getValue()) 1665226584Sdim OS << " = " << *getValue(); 1666226584Sdim 1667226584Sdim if (PrintSem) OS << ";\n"; 1668226584Sdim} 1669226584Sdim 1670226584Sdimunsigned Record::LastID = 0; 1671226584Sdim 1672226584Sdimvoid Record::checkName() { 1673226584Sdim // Ensure the record name has string type. 1674226584Sdim const TypedInit *TypedName = dynamic_cast<const TypedInit *>(Name); 1675226584Sdim assert(TypedName && "Record name is not typed!"); 1676226584Sdim RecTy *Type = TypedName->getType(); 1677226584Sdim if (dynamic_cast<StringRecTy *>(Type) == 0) { 1678226584Sdim llvm_unreachable("Record name is not a string!"); 1679226584Sdim } 1680226584Sdim} 1681226584Sdim 1682226584SdimDefInit *Record::getDefInit() { 1683226584Sdim if (!TheInit) 1684226584Sdim TheInit = new DefInit(this, new RecordRecTy(this)); 1685226584Sdim return TheInit; 1686226584Sdim} 1687226584Sdim 1688226584Sdimconst std::string &Record::getName() const { 1689226584Sdim const StringInit *NameString = 1690226584Sdim dynamic_cast<const StringInit *>(Name); 1691226584Sdim assert(NameString && "Record name is not a string!"); 1692226584Sdim return NameString->getValue(); 1693226584Sdim} 1694226584Sdim 1695226584Sdimvoid Record::setName(Init *NewName) { 1696226584Sdim if (TrackedRecords.getDef(Name->getAsUnquotedString()) == this) { 1697226584Sdim TrackedRecords.removeDef(Name->getAsUnquotedString()); 1698226584Sdim Name = NewName; 1699226584Sdim TrackedRecords.addDef(this); 1700226584Sdim } else { 1701226584Sdim TrackedRecords.removeClass(Name->getAsUnquotedString()); 1702226584Sdim Name = NewName; 1703226584Sdim TrackedRecords.addClass(this); 1704226584Sdim } 1705226584Sdim checkName(); 1706226584Sdim // Since the Init for the name was changed, see if we can resolve 1707226584Sdim // any of it using members of the Record. 1708226584Sdim Init *ComputedName = Name->resolveReferences(*this, 0); 1709226584Sdim if (ComputedName != Name) { 1710226584Sdim setName(ComputedName); 1711226584Sdim } 1712226584Sdim // DO NOT resolve record values to the name at this point because 1713226584Sdim // there might be default values for arguments of this def. Those 1714226584Sdim // arguments might not have been resolved yet so we don't want to 1715226584Sdim // prematurely assume values for those arguments were not passed to 1716226584Sdim // this def. 1717226584Sdim // 1718226584Sdim // Nonetheless, it may be that some of this Record's values 1719226584Sdim // reference the record name. Indeed, the reason for having the 1720226584Sdim // record name be an Init is to provide this flexibility. The extra 1721226584Sdim // resolve steps after completely instantiating defs takes care of 1722226584Sdim // this. See TGParser::ParseDef and TGParser::ParseDefm. 1723226584Sdim} 1724226584Sdim 1725226584Sdimvoid Record::setName(const std::string &Name) { 1726226584Sdim setName(StringInit::get(Name)); 1727226584Sdim} 1728226584Sdim 1729226584Sdim/// resolveReferencesTo - If anything in this record refers to RV, replace the 1730226584Sdim/// reference to RV with the RHS of RV. If RV is null, we resolve all possible 1731226584Sdim/// references. 1732226584Sdimvoid Record::resolveReferencesTo(const RecordVal *RV) { 1733226584Sdim for (unsigned i = 0, e = Values.size(); i != e; ++i) { 1734226584Sdim if (Init *V = Values[i].getValue()) 1735226584Sdim Values[i].setValue(V->resolveReferences(*this, RV)); 1736226584Sdim } 1737226584Sdim} 1738226584Sdim 1739226584Sdimvoid Record::dump() const { errs() << *this; } 1740226584Sdim 1741226584Sdimraw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) { 1742226584Sdim OS << R.getName(); 1743226584Sdim 1744226584Sdim const std::vector<std::string> &TArgs = R.getTemplateArgs(); 1745226584Sdim if (!TArgs.empty()) { 1746226584Sdim OS << "<"; 1747226584Sdim for (unsigned i = 0, e = TArgs.size(); i != e; ++i) { 1748226584Sdim if (i) OS << ", "; 1749226584Sdim const RecordVal *RV = R.getValue(TArgs[i]); 1750226584Sdim assert(RV && "Template argument record not found??"); 1751226584Sdim RV->print(OS, false); 1752226584Sdim } 1753226584Sdim OS << ">"; 1754226584Sdim } 1755226584Sdim 1756226584Sdim OS << " {"; 1757226584Sdim const std::vector<Record*> &SC = R.getSuperClasses(); 1758226584Sdim if (!SC.empty()) { 1759226584Sdim OS << "\t//"; 1760226584Sdim for (unsigned i = 0, e = SC.size(); i != e; ++i) 1761226584Sdim OS << " " << SC[i]->getName(); 1762226584Sdim } 1763226584Sdim OS << "\n"; 1764226584Sdim 1765226584Sdim const std::vector<RecordVal> &Vals = R.getValues(); 1766226584Sdim for (unsigned i = 0, e = Vals.size(); i != e; ++i) 1767226584Sdim if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName())) 1768226584Sdim OS << Vals[i]; 1769226584Sdim for (unsigned i = 0, e = Vals.size(); i != e; ++i) 1770226584Sdim if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName())) 1771226584Sdim OS << Vals[i]; 1772226584Sdim 1773226584Sdim return OS << "}\n"; 1774226584Sdim} 1775226584Sdim 1776226584Sdim/// getValueInit - Return the initializer for a value with the specified name, 1777226584Sdim/// or throw an exception if the field does not exist. 1778226584Sdim/// 1779226584SdimInit *Record::getValueInit(StringRef FieldName) const { 1780226584Sdim const RecordVal *R = getValue(FieldName); 1781226584Sdim if (R == 0 || R->getValue() == 0) 1782226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1783226584Sdim FieldName.str() + "'!\n"; 1784226584Sdim return R->getValue(); 1785226584Sdim} 1786226584Sdim 1787226584Sdim 1788226584Sdim/// getValueAsString - This method looks up the specified field and returns its 1789226584Sdim/// value as a string, throwing an exception if the field does not exist or if 1790226584Sdim/// the value is not a string. 1791226584Sdim/// 1792226584Sdimstd::string Record::getValueAsString(StringRef FieldName) const { 1793226584Sdim const RecordVal *R = getValue(FieldName); 1794226584Sdim if (R == 0 || R->getValue() == 0) 1795226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1796226584Sdim FieldName.str() + "'!\n"; 1797226584Sdim 1798226584Sdim if (StringInit *SI = dynamic_cast<StringInit*>(R->getValue())) 1799226584Sdim return SI->getValue(); 1800226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1801226584Sdim "' does not have a string initializer!"; 1802226584Sdim} 1803226584Sdim 1804226584Sdim/// getValueAsBitsInit - This method looks up the specified field and returns 1805226584Sdim/// its value as a BitsInit, throwing an exception if the field does not exist 1806226584Sdim/// or if the value is not the right type. 1807226584Sdim/// 1808226584SdimBitsInit *Record::getValueAsBitsInit(StringRef FieldName) const { 1809226584Sdim const RecordVal *R = getValue(FieldName); 1810226584Sdim if (R == 0 || R->getValue() == 0) 1811226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1812226584Sdim FieldName.str() + "'!\n"; 1813226584Sdim 1814226584Sdim if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue())) 1815226584Sdim return BI; 1816226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1817226584Sdim "' does not have a BitsInit initializer!"; 1818226584Sdim} 1819226584Sdim 1820226584Sdim/// getValueAsListInit - This method looks up the specified field and returns 1821226584Sdim/// its value as a ListInit, throwing an exception if the field does not exist 1822226584Sdim/// or if the value is not the right type. 1823226584Sdim/// 1824226584SdimListInit *Record::getValueAsListInit(StringRef FieldName) const { 1825226584Sdim const RecordVal *R = getValue(FieldName); 1826226584Sdim if (R == 0 || R->getValue() == 0) 1827226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1828226584Sdim FieldName.str() + "'!\n"; 1829226584Sdim 1830226584Sdim if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue())) 1831226584Sdim return LI; 1832226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1833226584Sdim "' does not have a list initializer!"; 1834226584Sdim} 1835226584Sdim 1836226584Sdim/// getValueAsListOfDefs - This method looks up the specified field and returns 1837226584Sdim/// its value as a vector of records, throwing an exception if the field does 1838226584Sdim/// not exist or if the value is not the right type. 1839226584Sdim/// 1840226584Sdimstd::vector<Record*> 1841226584SdimRecord::getValueAsListOfDefs(StringRef FieldName) const { 1842226584Sdim ListInit *List = getValueAsListInit(FieldName); 1843226584Sdim std::vector<Record*> Defs; 1844226584Sdim for (unsigned i = 0; i < List->getSize(); i++) { 1845226584Sdim if (DefInit *DI = dynamic_cast<DefInit*>(List->getElement(i))) { 1846226584Sdim Defs.push_back(DI->getDef()); 1847226584Sdim } else { 1848226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1849226584Sdim "' list is not entirely DefInit!"; 1850226584Sdim } 1851226584Sdim } 1852226584Sdim return Defs; 1853226584Sdim} 1854226584Sdim 1855226584Sdim/// getValueAsInt - This method looks up the specified field and returns its 1856226584Sdim/// value as an int64_t, throwing an exception if the field does not exist or if 1857226584Sdim/// the value is not the right type. 1858226584Sdim/// 1859226584Sdimint64_t Record::getValueAsInt(StringRef FieldName) const { 1860226584Sdim const RecordVal *R = getValue(FieldName); 1861226584Sdim if (R == 0 || R->getValue() == 0) 1862226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1863226584Sdim FieldName.str() + "'!\n"; 1864226584Sdim 1865226584Sdim if (IntInit *II = dynamic_cast<IntInit*>(R->getValue())) 1866226584Sdim return II->getValue(); 1867226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1868226584Sdim "' does not have an int initializer!"; 1869226584Sdim} 1870226584Sdim 1871226584Sdim/// getValueAsListOfInts - This method looks up the specified field and returns 1872226584Sdim/// its value as a vector of integers, throwing an exception if the field does 1873226584Sdim/// not exist or if the value is not the right type. 1874226584Sdim/// 1875226584Sdimstd::vector<int64_t> 1876226584SdimRecord::getValueAsListOfInts(StringRef FieldName) const { 1877226584Sdim ListInit *List = getValueAsListInit(FieldName); 1878226584Sdim std::vector<int64_t> Ints; 1879226584Sdim for (unsigned i = 0; i < List->getSize(); i++) { 1880226584Sdim if (IntInit *II = dynamic_cast<IntInit*>(List->getElement(i))) { 1881226584Sdim Ints.push_back(II->getValue()); 1882226584Sdim } else { 1883226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1884226584Sdim "' does not have a list of ints initializer!"; 1885226584Sdim } 1886226584Sdim } 1887226584Sdim return Ints; 1888226584Sdim} 1889226584Sdim 1890226584Sdim/// getValueAsListOfStrings - This method looks up the specified field and 1891226584Sdim/// returns its value as a vector of strings, throwing an exception if the 1892226584Sdim/// field does not exist or if the value is not the right type. 1893226584Sdim/// 1894226584Sdimstd::vector<std::string> 1895226584SdimRecord::getValueAsListOfStrings(StringRef FieldName) const { 1896226584Sdim ListInit *List = getValueAsListInit(FieldName); 1897226584Sdim std::vector<std::string> Strings; 1898226584Sdim for (unsigned i = 0; i < List->getSize(); i++) { 1899226584Sdim if (StringInit *II = dynamic_cast<StringInit*>(List->getElement(i))) { 1900226584Sdim Strings.push_back(II->getValue()); 1901226584Sdim } else { 1902226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1903226584Sdim "' does not have a list of strings initializer!"; 1904226584Sdim } 1905226584Sdim } 1906226584Sdim return Strings; 1907226584Sdim} 1908226584Sdim 1909226584Sdim/// getValueAsDef - This method looks up the specified field and returns its 1910226584Sdim/// value as a Record, throwing an exception if the field does not exist or if 1911226584Sdim/// the value is not the right type. 1912226584Sdim/// 1913226584SdimRecord *Record::getValueAsDef(StringRef FieldName) const { 1914226584Sdim const RecordVal *R = getValue(FieldName); 1915226584Sdim if (R == 0 || R->getValue() == 0) 1916226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1917226584Sdim FieldName.str() + "'!\n"; 1918226584Sdim 1919226584Sdim if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue())) 1920226584Sdim return DI->getDef(); 1921226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1922226584Sdim "' does not have a def initializer!"; 1923226584Sdim} 1924226584Sdim 1925226584Sdim/// getValueAsBit - This method looks up the specified field and returns its 1926226584Sdim/// value as a bit, throwing an exception if the field does not exist or if 1927226584Sdim/// the value is not the right type. 1928226584Sdim/// 1929226584Sdimbool Record::getValueAsBit(StringRef FieldName) const { 1930226584Sdim const RecordVal *R = getValue(FieldName); 1931226584Sdim if (R == 0 || R->getValue() == 0) 1932226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1933226584Sdim FieldName.str() + "'!\n"; 1934226584Sdim 1935226584Sdim if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue())) 1936226584Sdim return BI->getValue(); 1937226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1938226584Sdim "' does not have a bit initializer!"; 1939226584Sdim} 1940226584Sdim 1941226584Sdim/// getValueAsDag - This method looks up the specified field and returns its 1942226584Sdim/// value as an Dag, throwing an exception if the field does not exist or if 1943226584Sdim/// the value is not the right type. 1944226584Sdim/// 1945226584SdimDagInit *Record::getValueAsDag(StringRef FieldName) const { 1946226584Sdim const RecordVal *R = getValue(FieldName); 1947226584Sdim if (R == 0 || R->getValue() == 0) 1948226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1949226584Sdim FieldName.str() + "'!\n"; 1950226584Sdim 1951226584Sdim if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue())) 1952226584Sdim return DI; 1953226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1954226584Sdim "' does not have a dag initializer!"; 1955226584Sdim} 1956226584Sdim 1957226584Sdimstd::string Record::getValueAsCode(StringRef FieldName) const { 1958226584Sdim const RecordVal *R = getValue(FieldName); 1959226584Sdim if (R == 0 || R->getValue() == 0) 1960226584Sdim throw "Record `" + getName() + "' does not have a field named `" + 1961226584Sdim FieldName.str() + "'!\n"; 1962226584Sdim 1963226584Sdim if (CodeInit *CI = dynamic_cast<CodeInit*>(R->getValue())) 1964226584Sdim return CI->getValue(); 1965226584Sdim throw "Record `" + getName() + "', field `" + FieldName.str() + 1966226584Sdim "' does not have a code initializer!"; 1967226584Sdim} 1968226584Sdim 1969226584Sdim 1970226584Sdimvoid MultiClass::dump() const { 1971226584Sdim errs() << "Record:\n"; 1972226584Sdim Rec.dump(); 1973226584Sdim 1974226584Sdim errs() << "Defs:\n"; 1975226584Sdim for (RecordVector::const_iterator r = DefPrototypes.begin(), 1976226584Sdim rend = DefPrototypes.end(); 1977226584Sdim r != rend; 1978226584Sdim ++r) { 1979226584Sdim (*r)->dump(); 1980226584Sdim } 1981226584Sdim} 1982226584Sdim 1983226584Sdim 1984226584Sdimvoid RecordKeeper::dump() const { errs() << *this; } 1985226584Sdim 1986226584Sdimraw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) { 1987226584Sdim OS << "------------- Classes -----------------\n"; 1988226584Sdim const std::map<std::string, Record*> &Classes = RK.getClasses(); 1989226584Sdim for (std::map<std::string, Record*>::const_iterator I = Classes.begin(), 1990226584Sdim E = Classes.end(); I != E; ++I) 1991226584Sdim OS << "class " << *I->second; 1992226584Sdim 1993226584Sdim OS << "------------- Defs -----------------\n"; 1994226584Sdim const std::map<std::string, Record*> &Defs = RK.getDefs(); 1995226584Sdim for (std::map<std::string, Record*>::const_iterator I = Defs.begin(), 1996226584Sdim E = Defs.end(); I != E; ++I) 1997226584Sdim OS << "def " << *I->second; 1998226584Sdim return OS; 1999226584Sdim} 2000226584Sdim 2001226584Sdim 2002226584Sdim/// getAllDerivedDefinitions - This method returns all concrete definitions 2003226584Sdim/// that derive from the specified class name. If a class with the specified 2004226584Sdim/// name does not exist, an error is printed and true is returned. 2005226584Sdimstd::vector<Record*> 2006226584SdimRecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const { 2007226584Sdim Record *Class = getClass(ClassName); 2008226584Sdim if (!Class) 2009226584Sdim throw "ERROR: Couldn't find the `" + ClassName + "' class!\n"; 2010226584Sdim 2011226584Sdim std::vector<Record*> Defs; 2012226584Sdim for (std::map<std::string, Record*>::const_iterator I = getDefs().begin(), 2013226584Sdim E = getDefs().end(); I != E; ++I) 2014226584Sdim if (I->second->isSubClassOf(Class)) 2015226584Sdim Defs.push_back(I->second); 2016226584Sdim 2017226584Sdim return Defs; 2018226584Sdim} 2019226584Sdim 2020