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-rw-r--r--utils/TableGen/Record.cpp1485
1 files changed, 1485 insertions, 0 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp
new file mode 100644
index 000000000000..45804b938cb2
--- /dev/null
+++ b/utils/TableGen/Record.cpp
@@ -0,0 +1,1485 @@
+//===- Record.cpp - Record implementation ---------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implement the tablegen record classes.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Record.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Streams.h"
+#include "llvm/ADT/StringExtras.h"
+#include <ios>
+
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+// Type implementations
+//===----------------------------------------------------------------------===//
+
+void RecTy::dump() const { print(*cerr.stream()); }
+
+Init *BitRecTy::convertValue(BitsInit *BI) {
+ if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
+ return BI->getBit(0);
+}
+
+bool BitRecTy::baseClassOf(const BitsRecTy *RHS) const {
+ return RHS->getNumBits() == 1;
+}
+
+Init *BitRecTy::convertValue(IntInit *II) {
+ int64_t Val = II->getValue();
+ if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit!
+
+ return new BitInit(Val != 0);
+}
+
+Init *BitRecTy::convertValue(TypedInit *VI) {
+ if (dynamic_cast<BitRecTy*>(VI->getType()))
+ return VI; // Accept variable if it is already of bit type!
+ return 0;
+}
+
+std::string BitsRecTy::getAsString() const {
+ return "bits<" + utostr(Size) + ">";
+}
+
+Init *BitsRecTy::convertValue(UnsetInit *UI) {
+ BitsInit *Ret = new BitsInit(Size);
+
+ for (unsigned i = 0; i != Size; ++i)
+ Ret->setBit(i, new UnsetInit());
+ return Ret;
+}
+
+Init *BitsRecTy::convertValue(BitInit *UI) {
+ if (Size != 1) return 0; // Can only convert single bit...
+ BitsInit *Ret = new BitsInit(1);
+ Ret->setBit(0, UI);
+ return Ret;
+}
+
+// convertValue from Int initializer to bits type: Split the integer up into the
+// appropriate bits...
+//
+Init *BitsRecTy::convertValue(IntInit *II) {
+ int64_t Value = II->getValue();
+ // Make sure this bitfield is large enough to hold the integer value...
+ if (Value >= 0) {
+ if (Value & ~((1LL << Size)-1))
+ return 0;
+ } else {
+ if ((Value >> Size) != -1 || ((Value & (1LL << (Size-1))) == 0))
+ return 0;
+ }
+
+ BitsInit *Ret = new BitsInit(Size);
+ for (unsigned i = 0; i != Size; ++i)
+ Ret->setBit(i, new BitInit(Value & (1LL << i)));
+
+ return Ret;
+}
+
+Init *BitsRecTy::convertValue(BitsInit *BI) {
+ // If the number of bits is right, return it. Otherwise we need to expand or
+ // truncate...
+ if (BI->getNumBits() == Size) return BI;
+ return 0;
+}
+
+Init *BitsRecTy::convertValue(TypedInit *VI) {
+ if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType()))
+ if (BRT->Size == Size) {
+ BitsInit *Ret = new BitsInit(Size);
+ for (unsigned i = 0; i != Size; ++i)
+ Ret->setBit(i, new VarBitInit(VI, i));
+ return Ret;
+ }
+ if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) {
+ BitsInit *Ret = new BitsInit(1);
+ Ret->setBit(0, VI);
+ return Ret;
+ }
+
+ return 0;
+}
+
+Init *IntRecTy::convertValue(BitInit *BI) {
+ return new IntInit(BI->getValue());
+}
+
+Init *IntRecTy::convertValue(BitsInit *BI) {
+ int64_t Result = 0;
+ for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
+ if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) {
+ Result |= Bit->getValue() << i;
+ } else {
+ return 0;
+ }
+ return new IntInit(Result);
+}
+
+Init *IntRecTy::convertValue(TypedInit *TI) {
+ if (TI->getType()->typeIsConvertibleTo(this))
+ return TI; // Accept variable if already of the right type!
+ return 0;
+}
+
+Init *StringRecTy::convertValue(UnOpInit *BO) {
+ if (BO->getOpcode() == UnOpInit::CAST) {
+ Init *L = BO->getOperand()->convertInitializerTo(this);
+ if (L == 0) return 0;
+ if (L != BO->getOperand())
+ return new UnOpInit(UnOpInit::CAST, L, new StringRecTy);
+ return BO;
+ }
+
+ return convertValue((TypedInit*)BO);
+}
+
+Init *StringRecTy::convertValue(BinOpInit *BO) {
+ if (BO->getOpcode() == BinOpInit::STRCONCAT) {
+ Init *L = BO->getLHS()->convertInitializerTo(this);
+ Init *R = BO->getRHS()->convertInitializerTo(this);
+ if (L == 0 || R == 0) return 0;
+ if (L != BO->getLHS() || R != BO->getRHS())
+ return new BinOpInit(BinOpInit::STRCONCAT, L, R, new StringRecTy);
+ return BO;
+ }
+ if (BO->getOpcode() == BinOpInit::NAMECONCAT) {
+ if (BO->getType()->getAsString() == getAsString()) {
+ Init *L = BO->getLHS()->convertInitializerTo(this);
+ Init *R = BO->getRHS()->convertInitializerTo(this);
+ if (L == 0 || R == 0) return 0;
+ if (L != BO->getLHS() || R != BO->getRHS())
+ return new BinOpInit(BinOpInit::NAMECONCAT, L, R, new StringRecTy);
+ return BO;
+ }
+ }
+
+ return convertValue((TypedInit*)BO);
+}
+
+
+Init *StringRecTy::convertValue(TypedInit *TI) {
+ if (dynamic_cast<StringRecTy*>(TI->getType()))
+ return TI; // Accept variable if already of the right type!
+ return 0;
+}
+
+std::string ListRecTy::getAsString() const {
+ return "list<" + Ty->getAsString() + ">";
+}
+
+Init *ListRecTy::convertValue(ListInit *LI) {
+ std::vector<Init*> Elements;
+
+ // Verify that all of the elements of the list are subclasses of the
+ // appropriate class!
+ for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
+ if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
+ Elements.push_back(CI);
+ else
+ return 0;
+
+ return new ListInit(Elements);
+}
+
+Init *ListRecTy::convertValue(TypedInit *TI) {
+ // Ensure that TI is compatible with our class.
+ if (ListRecTy *LRT = dynamic_cast<ListRecTy*>(TI->getType()))
+ if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
+ return TI;
+ return 0;
+}
+
+Init *CodeRecTy::convertValue(TypedInit *TI) {
+ if (TI->getType()->typeIsConvertibleTo(this))
+ return TI;
+ return 0;
+}
+
+Init *DagRecTy::convertValue(TypedInit *TI) {
+ if (TI->getType()->typeIsConvertibleTo(this))
+ return TI;
+ return 0;
+}
+
+Init *DagRecTy::convertValue(UnOpInit *BO) {
+ if (BO->getOpcode() == UnOpInit::CAST) {
+ Init *L = BO->getOperand()->convertInitializerTo(this);
+ if (L == 0) return 0;
+ if (L != BO->getOperand())
+ return new UnOpInit(UnOpInit::CAST, L, new DagRecTy);
+ return BO;
+ }
+ return 0;
+}
+
+Init *DagRecTy::convertValue(BinOpInit *BO) {
+ if (BO->getOpcode() == BinOpInit::CONCAT) {
+ Init *L = BO->getLHS()->convertInitializerTo(this);
+ Init *R = BO->getRHS()->convertInitializerTo(this);
+ if (L == 0 || R == 0) return 0;
+ if (L != BO->getLHS() || R != BO->getRHS())
+ return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy);
+ return BO;
+ }
+ if (BO->getOpcode() == BinOpInit::NAMECONCAT) {
+ if (BO->getType()->getAsString() == getAsString()) {
+ Init *L = BO->getLHS()->convertInitializerTo(this);
+ Init *R = BO->getRHS()->convertInitializerTo(this);
+ if (L == 0 || R == 0) return 0;
+ if (L != BO->getLHS() || R != BO->getRHS())
+ return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy);
+ return BO;
+ }
+ }
+ return 0;
+}
+
+std::string RecordRecTy::getAsString() const {
+ return Rec->getName();
+}
+
+Init *RecordRecTy::convertValue(DefInit *DI) {
+ // Ensure that DI is a subclass of Rec.
+ if (!DI->getDef()->isSubClassOf(Rec))
+ return 0;
+ return DI;
+}
+
+Init *RecordRecTy::convertValue(TypedInit *TI) {
+ // Ensure that TI is compatible with Rec.
+ if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType()))
+ if (RRT->getRecord()->isSubClassOf(getRecord()) ||
+ RRT->getRecord() == getRecord())
+ return TI;
+ return 0;
+}
+
+bool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const {
+ return Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec);
+}
+
+
+//===----------------------------------------------------------------------===//
+// Initializer implementations
+//===----------------------------------------------------------------------===//
+
+void Init::dump() const { return print(*cerr.stream()); }
+
+Init *BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
+ BitsInit *BI = new BitsInit(Bits.size());
+ for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
+ if (Bits[i] >= getNumBits()) {
+ delete BI;
+ return 0;
+ }
+ BI->setBit(i, getBit(Bits[i]));
+ }
+ return BI;
+}
+
+std::string BitsInit::getAsString() const {
+ //if (!printInHex(OS)) return;
+ //if (!printAsVariable(OS)) return;
+ //if (!printAsUnset(OS)) return;
+
+ std::string Result = "{ ";
+ for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
+ if (i) Result += ", ";
+ if (Init *Bit = getBit(e-i-1))
+ Result += Bit->getAsString();
+ else
+ Result += "*";
+ }
+ return Result + " }";
+}
+
+bool BitsInit::printInHex(std::ostream &OS) const {
+ // First, attempt to convert the value into an integer value...
+ int64_t Result = 0;
+ for (unsigned i = 0, e = getNumBits(); i != e; ++i)
+ if (BitInit *Bit = dynamic_cast<BitInit*>(getBit(i))) {
+ Result |= Bit->getValue() << i;
+ } else {
+ return true;
+ }
+
+ OS << "0x" << std::hex << Result << std::dec;
+ return false;
+}
+
+bool BitsInit::printAsVariable(std::ostream &OS) const {
+ // Get the variable that we may be set equal to...
+ assert(getNumBits() != 0);
+ VarBitInit *FirstBit = dynamic_cast<VarBitInit*>(getBit(0));
+ if (FirstBit == 0) return true;
+ TypedInit *Var = FirstBit->getVariable();
+
+ // Check to make sure the types are compatible.
+ BitsRecTy *Ty = dynamic_cast<BitsRecTy*>(FirstBit->getVariable()->getType());
+ if (Ty == 0) return true;
+ if (Ty->getNumBits() != getNumBits()) return true; // Incompatible types!
+
+ // Check to make sure all bits are referring to the right bits in the variable
+ for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
+ VarBitInit *Bit = dynamic_cast<VarBitInit*>(getBit(i));
+ if (Bit == 0 || Bit->getVariable() != Var || Bit->getBitNum() != i)
+ return true;
+ }
+
+ Var->print(OS);
+ return false;
+}
+
+bool BitsInit::printAsUnset(std::ostream &OS) const {
+ for (unsigned i = 0, e = getNumBits(); i != e; ++i)
+ if (!dynamic_cast<UnsetInit*>(getBit(i)))
+ return true;
+ OS << "?";
+ return false;
+}
+
+// resolveReferences - If there are any field references that refer to fields
+// that have been filled in, we can propagate the values now.
+//
+Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) {
+ bool Changed = false;
+ BitsInit *New = new BitsInit(getNumBits());
+
+ for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
+ Init *B;
+ Init *CurBit = getBit(i);
+
+ do {
+ B = CurBit;
+ CurBit = CurBit->resolveReferences(R, RV);
+ Changed |= B != CurBit;
+ } while (B != CurBit);
+ New->setBit(i, CurBit);
+ }
+
+ if (Changed)
+ return New;
+ delete New;
+ return this;
+}
+
+std::string IntInit::getAsString() const {
+ return itostr(Value);
+}
+
+Init *IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
+ BitsInit *BI = new BitsInit(Bits.size());
+
+ for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
+ if (Bits[i] >= 64) {
+ delete BI;
+ return 0;
+ }
+ BI->setBit(i, new BitInit(Value & (INT64_C(1) << Bits[i])));
+ }
+ return BI;
+}
+
+Init *ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
+ std::vector<Init*> Vals;
+ for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
+ if (Elements[i] >= getSize())
+ return 0;
+ Vals.push_back(getElement(Elements[i]));
+ }
+ return new ListInit(Vals);
+}
+
+Record *ListInit::getElementAsRecord(unsigned i) const {
+ assert(i < Values.size() && "List element index out of range!");
+ DefInit *DI = dynamic_cast<DefInit*>(Values[i]);
+ if (DI == 0) throw "Expected record in list!";
+ return DI->getDef();
+}
+
+Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) {
+ std::vector<Init*> Resolved;
+ Resolved.reserve(getSize());
+ bool Changed = false;
+
+ for (unsigned i = 0, e = getSize(); i != e; ++i) {
+ Init *E;
+ Init *CurElt = getElement(i);
+
+ do {
+ E = CurElt;
+ CurElt = CurElt->resolveReferences(R, RV);
+ Changed |= E != CurElt;
+ } while (E != CurElt);
+ Resolved.push_back(E);
+ }
+
+ if (Changed)
+ return new ListInit(Resolved);
+ return this;
+}
+
+std::string ListInit::getAsString() const {
+ std::string Result = "[";
+ for (unsigned i = 0, e = Values.size(); i != e; ++i) {
+ if (i) Result += ", ";
+ Result += Values[i]->getAsString();
+ }
+ return Result + "]";
+}
+
+Init *OpInit::resolveBitReference(Record &R, const RecordVal *IRV,
+ unsigned Bit) {
+ Init *Folded = Fold(&R, 0);
+
+ if (Folded != this) {
+ TypedInit *Typed = dynamic_cast<TypedInit *>(Folded);
+ if (Typed) {
+ return Typed->resolveBitReference(R, IRV, Bit);
+ }
+ }
+
+ return 0;
+}
+
+Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV,
+ unsigned Elt) {
+ Init *Folded = Fold(&R, 0);
+
+ if (Folded != this) {
+ TypedInit *Typed = dynamic_cast<TypedInit *>(Folded);
+ if (Typed) {
+ return Typed->resolveListElementReference(R, IRV, Elt);
+ }
+ }
+
+ return 0;
+}
+
+Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
+ switch (getOpcode()) {
+ default: assert(0 && "Unknown unop");
+ case CAST: {
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+ if (LHSs) {
+ std::string Name = LHSs->getValue();
+
+ // From TGParser::ParseIDValue
+ if (CurRec) {
+ if (const RecordVal *RV = CurRec->getValue(Name)) {
+ if (RV->getType() != getType()) {
+ throw "type mismatch in nameconcat";
+ }
+ return new VarInit(Name, RV->getType());
+ }
+
+ std::string TemplateArgName = CurRec->getName()+":"+Name;
+ if (CurRec->isTemplateArg(TemplateArgName)) {
+ const RecordVal *RV = CurRec->getValue(TemplateArgName);
+ assert(RV && "Template arg doesn't exist??");
+
+ if (RV->getType() != getType()) {
+ throw "type mismatch in nameconcat";
+ }
+
+ return new VarInit(TemplateArgName, RV->getType());
+ }
+ }
+
+ if (CurMultiClass) {
+ std::string MCName = CurMultiClass->Rec.getName()+"::"+Name;
+ if (CurMultiClass->Rec.isTemplateArg(MCName)) {
+ const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
+ assert(RV && "Template arg doesn't exist??");
+
+ if (RV->getType() != getType()) {
+ throw "type mismatch in nameconcat";
+ }
+
+ return new VarInit(MCName, RV->getType());
+ }
+ }
+
+ if (Record *D = Records.getDef(Name))
+ return new DefInit(D);
+
+ cerr << "Variable not defined: '" + Name + "'\n";
+ assert(0 && "Variable not found");
+ return 0;
+ }
+ break;
+ }
+ case CAR: {
+ ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
+ if (LHSl) {
+ if (LHSl->getSize() == 0) {
+ assert(0 && "Empty list in car");
+ return 0;
+ }
+ return LHSl->getElement(0);
+ }
+ break;
+ }
+ case CDR: {
+ ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
+ if (LHSl) {
+ if (LHSl->getSize() == 0) {
+ assert(0 && "Empty list in cdr");
+ return 0;
+ }
+ ListInit *Result = new ListInit(LHSl->begin()+1, LHSl->end());
+ return Result;
+ }
+ break;
+ }
+ case LNULL: {
+ ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
+ if (LHSl) {
+ if (LHSl->getSize() == 0) {
+ return new IntInit(1);
+ }
+ else {
+ return new IntInit(0);
+ }
+ }
+ break;
+ }
+ }
+ return this;
+}
+
+Init *UnOpInit::resolveReferences(Record &R, const RecordVal *RV) {
+ Init *lhs = LHS->resolveReferences(R, RV);
+
+ if (LHS != lhs)
+ return (new UnOpInit(getOpcode(), lhs, getType()))->Fold(&R, 0);
+ return Fold(&R, 0);
+}
+
+std::string UnOpInit::getAsString() const {
+ std::string Result;
+ switch (Opc) {
+ case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break;
+ case CAR: Result = "!car"; break;
+ case CDR: Result = "!cdr"; break;
+ case LNULL: Result = "!null"; break;
+ }
+ return Result + "(" + LHS->getAsString() + ")";
+}
+
+Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
+ switch (getOpcode()) {
+ default: assert(0 && "Unknown binop");
+ case CONCAT: {
+ DagInit *LHSs = dynamic_cast<DagInit*>(LHS);
+ DagInit *RHSs = dynamic_cast<DagInit*>(RHS);
+ if (LHSs && RHSs) {
+ DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator());
+ DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator());
+ if (LOp->getDef() != ROp->getDef()) {
+ bool LIsOps =
+ LOp->getDef()->getName() == "outs" ||
+ LOp->getDef()->getName() != "ins" ||
+ LOp->getDef()->getName() != "defs";
+ bool RIsOps =
+ ROp->getDef()->getName() == "outs" ||
+ ROp->getDef()->getName() != "ins" ||
+ ROp->getDef()->getName() != "defs";
+ if (!LIsOps || !RIsOps)
+ throw "Concated Dag operators do not match!";
+ }
+ std::vector<Init*> Args;
+ std::vector<std::string> ArgNames;
+ for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {
+ Args.push_back(LHSs->getArg(i));
+ ArgNames.push_back(LHSs->getArgName(i));
+ }
+ for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) {
+ Args.push_back(RHSs->getArg(i));
+ ArgNames.push_back(RHSs->getArgName(i));
+ }
+ return new DagInit(LHSs->getOperator(), "", Args, ArgNames);
+ }
+ break;
+ }
+ case STRCONCAT: {
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+ StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
+ if (LHSs && RHSs)
+ return new StringInit(LHSs->getValue() + RHSs->getValue());
+ break;
+ }
+ case NAMECONCAT: {
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+ StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
+ if (LHSs && RHSs) {
+ std::string Name(LHSs->getValue() + RHSs->getValue());
+
+ // From TGParser::ParseIDValue
+ if (CurRec) {
+ if (const RecordVal *RV = CurRec->getValue(Name)) {
+ if (RV->getType() != getType()) {
+ throw "type mismatch in nameconcat";
+ }
+ return new VarInit(Name, RV->getType());
+ }
+
+ std::string TemplateArgName = CurRec->getName()+":"+Name;
+ if (CurRec->isTemplateArg(TemplateArgName)) {
+ const RecordVal *RV = CurRec->getValue(TemplateArgName);
+ assert(RV && "Template arg doesn't exist??");
+
+ if (RV->getType() != getType()) {
+ throw "type mismatch in nameconcat";
+ }
+
+ return new VarInit(TemplateArgName, RV->getType());
+ }
+ }
+
+ if (CurMultiClass) {
+ std::string MCName = CurMultiClass->Rec.getName()+"::"+Name;
+ if (CurMultiClass->Rec.isTemplateArg(MCName)) {
+ const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
+ assert(RV && "Template arg doesn't exist??");
+
+ if (RV->getType() != getType()) {
+ throw "type mismatch in nameconcat";
+ }
+
+ return new VarInit(MCName, RV->getType());
+ }
+ }
+
+ if (Record *D = Records.getDef(Name))
+ return new DefInit(D);
+
+ cerr << "Variable not defined: '" + Name + "'\n";
+ assert(0 && "Variable not found");
+ return 0;
+ }
+ break;
+ }
+ case SHL:
+ case SRA:
+ case SRL: {
+ IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
+ IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
+ if (LHSi && RHSi) {
+ int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue();
+ int64_t Result;
+ switch (getOpcode()) {
+ default: assert(0 && "Bad opcode!");
+ case SHL: Result = LHSv << RHSv; break;
+ case SRA: Result = LHSv >> RHSv; break;
+ case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break;
+ }
+ return new IntInit(Result);
+ }
+ break;
+ }
+ }
+ return this;
+}
+
+Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) {
+ Init *lhs = LHS->resolveReferences(R, RV);
+ Init *rhs = RHS->resolveReferences(R, RV);
+
+ if (LHS != lhs || RHS != rhs)
+ return (new BinOpInit(getOpcode(), lhs, rhs, getType()))->Fold(&R, 0);
+ return Fold(&R, 0);
+}
+
+std::string BinOpInit::getAsString() const {
+ std::string Result;
+ switch (Opc) {
+ case CONCAT: Result = "!con"; break;
+ case SHL: Result = "!shl"; break;
+ case SRA: Result = "!sra"; break;
+ case SRL: Result = "!srl"; break;
+ case STRCONCAT: Result = "!strconcat"; break;
+ case NAMECONCAT:
+ Result = "!nameconcat<" + getType()->getAsString() + ">"; break;
+ }
+ return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
+}
+
+static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
+ Record *CurRec, MultiClass *CurMultiClass);
+
+static Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg,
+ RecTy *Type, Record *CurRec,
+ MultiClass *CurMultiClass) {
+ std::vector<Init *> NewOperands;
+
+ TypedInit *TArg = dynamic_cast<TypedInit*>(Arg);
+
+ // If this is a dag, recurse
+ if (TArg && TArg->getType()->getAsString() == "dag") {
+ Init *Result = ForeachHelper(LHS, Arg, RHSo, Type,
+ CurRec, CurMultiClass);
+ if (Result != 0) {
+ return Result;
+ }
+ else {
+ return 0;
+ }
+ }
+
+ for (int i = 0; i < RHSo->getNumOperands(); ++i) {
+ OpInit *RHSoo = dynamic_cast<OpInit*>(RHSo->getOperand(i));
+
+ if (RHSoo) {
+ Init *Result = EvaluateOperation(RHSoo, LHS, Arg,
+ Type, CurRec, CurMultiClass);
+ if (Result != 0) {
+ NewOperands.push_back(Result);
+ }
+ else {
+ NewOperands.push_back(Arg);
+ }
+ }
+ else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
+ NewOperands.push_back(Arg);
+ }
+ else {
+ NewOperands.push_back(RHSo->getOperand(i));
+ }
+ }
+
+ // Now run the operator and use its result as the new leaf
+ OpInit *NewOp = RHSo->clone(NewOperands);
+ Init *NewVal = NewOp->Fold(CurRec, CurMultiClass);
+ if (NewVal != NewOp) {
+ delete NewOp;
+ return NewVal;
+ }
+ return 0;
+}
+
+static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
+ Record *CurRec, MultiClass *CurMultiClass) {
+ DagInit *MHSd = dynamic_cast<DagInit*>(MHS);
+ ListInit *MHSl = dynamic_cast<ListInit*>(MHS);
+
+ DagRecTy *DagType = dynamic_cast<DagRecTy*>(Type);
+ ListRecTy *ListType = dynamic_cast<ListRecTy*>(Type);
+
+ OpInit *RHSo = dynamic_cast<OpInit*>(RHS);
+
+ if (!RHSo) {
+ cerr << "!foreach requires an operator\n";
+ assert(0 && "No operator for !foreach");
+ }
+
+ TypedInit *LHSt = dynamic_cast<TypedInit*>(LHS);
+
+ if (!LHSt) {
+ cerr << "!foreach requires typed variable\n";
+ assert(0 && "No typed variable for !foreach");
+ }
+
+ if ((MHSd && DagType) || (MHSl && ListType)) {
+ if (MHSd) {
+ Init *Val = MHSd->getOperator();
+ Init *Result = EvaluateOperation(RHSo, LHS, Val,
+ Type, CurRec, CurMultiClass);
+ if (Result != 0) {
+ Val = Result;
+ }
+
+ std::vector<std::pair<Init *, std::string> > args;
+ for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) {
+ Init *Arg;
+ std::string ArgName;
+ Arg = MHSd->getArg(i);
+ ArgName = MHSd->getArgName(i);
+
+ // Process args
+ Init *Result = EvaluateOperation(RHSo, LHS, Arg, Type,
+ CurRec, CurMultiClass);
+ if (Result != 0) {
+ Arg = Result;
+ }
+
+ // TODO: Process arg names
+ args.push_back(std::make_pair(Arg, ArgName));
+ }
+
+ return new DagInit(Val, "", args);
+ }
+ if (MHSl) {
+ std::vector<Init *> NewOperands;
+ std::vector<Init *> NewList(MHSl->begin(), MHSl->end());
+
+ for (ListInit::iterator li = NewList.begin(),
+ liend = NewList.end();
+ li != liend;
+ ++li) {
+ Init *Item = *li;
+ NewOperands.clear();
+ for(int i = 0; i < RHSo->getNumOperands(); ++i) {
+ // First, replace the foreach variable with the list item
+ if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
+ NewOperands.push_back(Item);
+ }
+ else {
+ NewOperands.push_back(RHSo->getOperand(i));
+ }
+ }
+
+ // Now run the operator and use its result as the new list item
+ OpInit *NewOp = RHSo->clone(NewOperands);
+ Init *NewItem = NewOp->Fold(CurRec, CurMultiClass);
+ if (NewItem != NewOp) {
+ *li = NewItem;
+ delete NewOp;
+ }
+ }
+ return new ListInit(NewList);
+ }
+ }
+ return 0;
+}
+
+Init *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
+ switch (getOpcode()) {
+ default: assert(0 && "Unknown binop");
+ case SUBST: {
+ DefInit *LHSd = dynamic_cast<DefInit*>(LHS);
+ VarInit *LHSv = dynamic_cast<VarInit*>(LHS);
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+
+ DefInit *MHSd = dynamic_cast<DefInit*>(MHS);
+ VarInit *MHSv = dynamic_cast<VarInit*>(MHS);
+ StringInit *MHSs = dynamic_cast<StringInit*>(MHS);
+
+ DefInit *RHSd = dynamic_cast<DefInit*>(RHS);
+ VarInit *RHSv = dynamic_cast<VarInit*>(RHS);
+ StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
+
+ if ((LHSd && MHSd && RHSd)
+ || (LHSv && MHSv && RHSv)
+ || (LHSs && MHSs && RHSs)) {
+ if (RHSd) {
+ Record *Val = RHSd->getDef();
+ if (LHSd->getAsString() == RHSd->getAsString()) {
+ Val = MHSd->getDef();
+ }
+ return new DefInit(Val);
+ }
+ if (RHSv) {
+ std::string Val = RHSv->getName();
+ if (LHSv->getAsString() == RHSv->getAsString()) {
+ Val = MHSv->getName();
+ }
+ return new VarInit(Val, getType());
+ }
+ if (RHSs) {
+ std::string Val = RHSs->getValue();
+
+ std::string::size_type found;
+ do {
+ found = Val.find(LHSs->getValue());
+ if (found != std::string::npos) {
+ Val.replace(found, LHSs->getValue().size(), MHSs->getValue());
+ }
+ } while (found != std::string::npos);
+
+ return new StringInit(Val);
+ }
+ }
+ break;
+ }
+
+ case FOREACH: {
+ Init *Result = ForeachHelper(LHS, MHS, RHS, getType(),
+ CurRec, CurMultiClass);
+ if (Result != 0) {
+ return Result;
+ }
+ break;
+ }
+
+ case IF: {
+ IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
+ if (LHSi) {
+ if (LHSi->getValue()) {
+ return MHS;
+ }
+ else {
+ return RHS;
+ }
+ }
+ break;
+ }
+ }
+
+ return this;
+}
+
+Init *TernOpInit::resolveReferences(Record &R, const RecordVal *RV) {
+ Init *lhs = LHS->resolveReferences(R, RV);
+ Init *mhs = MHS->resolveReferences(R, RV);
+ Init *rhs = RHS->resolveReferences(R, RV);
+
+ if (LHS != lhs || MHS != mhs || RHS != rhs)
+ return (new TernOpInit(getOpcode(), lhs, mhs, rhs, getType()))->Fold(&R, 0);
+ return Fold(&R, 0);
+}
+
+std::string TernOpInit::getAsString() const {
+ std::string Result;
+ switch (Opc) {
+ case SUBST: Result = "!subst"; break;
+ case FOREACH: Result = "!foreach"; break;
+ case IF: Result = "!if"; break;
+ }
+ return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", "
+ + RHS->getAsString() + ")";
+}
+
+Init *TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
+ BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
+ if (T == 0) return 0; // Cannot subscript a non-bits variable...
+ unsigned NumBits = T->getNumBits();
+
+ BitsInit *BI = new BitsInit(Bits.size());
+ for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
+ if (Bits[i] >= NumBits) {
+ delete BI;
+ return 0;
+ }
+ BI->setBit(i, new VarBitInit(this, Bits[i]));
+ }
+ return BI;
+}
+
+Init *TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
+ ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
+ if (T == 0) return 0; // Cannot subscript a non-list variable...
+
+ if (Elements.size() == 1)
+ return new VarListElementInit(this, Elements[0]);
+
+ std::vector<Init*> ListInits;
+ ListInits.reserve(Elements.size());
+ for (unsigned i = 0, e = Elements.size(); i != e; ++i)
+ ListInits.push_back(new VarListElementInit(this, Elements[i]));
+ return new ListInit(ListInits);
+}
+
+
+Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
+ unsigned Bit) {
+ if (R.isTemplateArg(getName())) return 0;
+ if (IRV && IRV->getName() != getName()) return 0;
+
+ RecordVal *RV = R.getValue(getName());
+ assert(RV && "Reference to a non-existant variable?");
+ assert(dynamic_cast<BitsInit*>(RV->getValue()));
+ BitsInit *BI = (BitsInit*)RV->getValue();
+
+ assert(Bit < BI->getNumBits() && "Bit reference out of range!");
+ Init *B = BI->getBit(Bit);
+
+ if (!dynamic_cast<UnsetInit*>(B)) // If the bit is not set...
+ return B; // Replace the VarBitInit with it.
+ return 0;
+}
+
+Init *VarInit::resolveListElementReference(Record &R, const RecordVal *IRV,
+ unsigned Elt) {
+ if (R.isTemplateArg(getName())) return 0;
+ if (IRV && IRV->getName() != getName()) return 0;
+
+ RecordVal *RV = R.getValue(getName());
+ assert(RV && "Reference to a non-existant variable?");
+ ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
+ if (!LI) {
+ VarInit *VI = dynamic_cast<VarInit*>(RV->getValue());
+ assert(VI && "Invalid list element!");
+ return new VarListElementInit(VI, Elt);
+ }
+
+ if (Elt >= LI->getSize())
+ return 0; // Out of range reference.
+ Init *E = LI->getElement(Elt);
+ if (!dynamic_cast<UnsetInit*>(E)) // If the element is set
+ return E; // Replace the VarListElementInit with it.
+ return 0;
+}
+
+
+RecTy *VarInit::getFieldType(const std::string &FieldName) const {
+ if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
+ if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
+ return RV->getType();
+ return 0;
+}
+
+Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
+ if (dynamic_cast<RecordRecTy*>(getType()))
+ if (const RecordVal *RV = R.getValue(VarName)) {
+ Init *TheInit = RV->getValue();
+ assert(TheInit != this && "Infinite loop detected!");
+ if (Init *I = TheInit->getFieldInit(R, FieldName))
+ return I;
+ else
+ return 0;
+ }
+ return 0;
+}
+
+/// resolveReferences - This method is used by classes that refer to other
+/// variables which may not be defined at the time they expression is formed.
+/// If a value is set for the variable later, this method will be called on
+/// users of the value to allow the value to propagate out.
+///
+Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) {
+ if (RecordVal *Val = R.getValue(VarName))
+ if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue())))
+ return Val->getValue();
+ return this;
+}
+
+std::string VarBitInit::getAsString() const {
+ return TI->getAsString() + "{" + utostr(Bit) + "}";
+}
+
+Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) {
+ if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum()))
+ return I;
+ return this;
+}
+
+std::string VarListElementInit::getAsString() const {
+ return TI->getAsString() + "[" + utostr(Element) + "]";
+}
+
+Init *VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) {
+ if (Init *I = getVariable()->resolveListElementReference(R, RV,
+ getElementNum()))
+ return I;
+ return this;
+}
+
+Init *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) {
+ // FIXME: This should be implemented, to support references like:
+ // bit B = AA[0]{1};
+ return 0;
+}
+
+Init *VarListElementInit::
+resolveListElementReference(Record &R, const RecordVal *RV, unsigned Elt) {
+ // FIXME: This should be implemented, to support references like:
+ // int B = AA[0][1];
+ return 0;
+}
+
+RecTy *DefInit::getFieldType(const std::string &FieldName) const {
+ if (const RecordVal *RV = Def->getValue(FieldName))
+ return RV->getType();
+ return 0;
+}
+
+Init *DefInit::getFieldInit(Record &R, const std::string &FieldName) const {
+ return Def->getValue(FieldName)->getValue();
+}
+
+
+std::string DefInit::getAsString() const {
+ return Def->getName();
+}
+
+Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) {
+ if (Init *BitsVal = Rec->getFieldInit(R, FieldName))
+ if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) {
+ assert(Bit < BI->getNumBits() && "Bit reference out of range!");
+ Init *B = BI->getBit(Bit);
+
+ if (dynamic_cast<BitInit*>(B)) // If the bit is set...
+ return B; // Replace the VarBitInit with it.
+ }
+ return 0;
+}
+
+Init *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) {
+ if (Init *ListVal = Rec->getFieldInit(R, FieldName))
+ if (ListInit *LI = dynamic_cast<ListInit*>(ListVal)) {
+ if (Elt >= LI->getSize()) return 0;
+ Init *E = LI->getElement(Elt);
+
+ if (!dynamic_cast<UnsetInit*>(E)) // If the bit is set...
+ return E; // Replace the VarListElementInit with it.
+ }
+ return 0;
+}
+
+Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) {
+ Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
+
+ Init *BitsVal = NewRec->getFieldInit(R, FieldName);
+ if (BitsVal) {
+ Init *BVR = BitsVal->resolveReferences(R, RV);
+ return BVR->isComplete() ? BVR : this;
+ }
+
+ if (NewRec != Rec) {
+ return new FieldInit(NewRec, FieldName);
+ }
+ return this;
+}
+
+Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) {
+ std::vector<Init*> NewArgs;
+ for (unsigned i = 0, e = Args.size(); i != e; ++i)
+ NewArgs.push_back(Args[i]->resolveReferences(R, RV));
+
+ Init *Op = Val->resolveReferences(R, RV);
+
+ if (Args != NewArgs || Op != Val)
+ return new DagInit(Op, "", NewArgs, ArgNames);
+
+ return this;
+}
+
+
+std::string DagInit::getAsString() const {
+ std::string Result = "(" + Val->getAsString();
+ if (!ValName.empty())
+ Result += ":" + ValName;
+ if (Args.size()) {
+ Result += " " + Args[0]->getAsString();
+ if (!ArgNames[0].empty()) Result += ":$" + ArgNames[0];
+ for (unsigned i = 1, e = Args.size(); i != e; ++i) {
+ Result += ", " + Args[i]->getAsString();
+ if (!ArgNames[i].empty()) Result += ":$" + ArgNames[i];
+ }
+ }
+ return Result + ")";
+}
+
+
+//===----------------------------------------------------------------------===//
+// Other implementations
+//===----------------------------------------------------------------------===//
+
+RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
+ : Name(N), Ty(T), Prefix(P) {
+ Value = Ty->convertValue(new UnsetInit());
+ assert(Value && "Cannot create unset value for current type!");
+}
+
+void RecordVal::dump() const { cerr << *this; }
+
+void RecordVal::print(std::ostream &OS, bool PrintSem) const {
+ if (getPrefix()) OS << "field ";
+ OS << *getType() << " " << getName();
+
+ if (getValue())
+ OS << " = " << *getValue();
+
+ if (PrintSem) OS << ";\n";
+}
+
+void Record::setName(const std::string &Name) {
+ if (Records.getDef(getName()) == this) {
+ Records.removeDef(getName());
+ this->Name = Name;
+ Records.addDef(this);
+ } else {
+ Records.removeClass(getName());
+ this->Name = Name;
+ Records.addClass(this);
+ }
+}
+
+/// resolveReferencesTo - If anything in this record refers to RV, replace the
+/// reference to RV with the RHS of RV. If RV is null, we resolve all possible
+/// references.
+void Record::resolveReferencesTo(const RecordVal *RV) {
+ for (unsigned i = 0, e = Values.size(); i != e; ++i) {
+ if (Init *V = Values[i].getValue())
+ Values[i].setValue(V->resolveReferences(*this, RV));
+ }
+}
+
+
+void Record::dump() const { cerr << *this; }
+
+std::ostream &llvm::operator<<(std::ostream &OS, const Record &R) {
+ OS << R.getName();
+
+ const std::vector<std::string> &TArgs = R.getTemplateArgs();
+ if (!TArgs.empty()) {
+ OS << "<";
+ for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
+ if (i) OS << ", ";
+ const RecordVal *RV = R.getValue(TArgs[i]);
+ assert(RV && "Template argument record not found??");
+ RV->print(OS, false);
+ }
+ OS << ">";
+ }
+
+ OS << " {";
+ const std::vector<Record*> &SC = R.getSuperClasses();
+ if (!SC.empty()) {
+ OS << "\t//";
+ for (unsigned i = 0, e = SC.size(); i != e; ++i)
+ OS << " " << SC[i]->getName();
+ }
+ OS << "\n";
+
+ const std::vector<RecordVal> &Vals = R.getValues();
+ for (unsigned i = 0, e = Vals.size(); i != e; ++i)
+ if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
+ OS << Vals[i];
+ for (unsigned i = 0, e = Vals.size(); i != e; ++i)
+ if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
+ OS << Vals[i];
+
+ return OS << "}\n";
+}
+
+/// getValueInit - Return the initializer for a value with the specified name,
+/// or throw an exception if the field does not exist.
+///
+Init *Record::getValueInit(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+ return R->getValue();
+}
+
+
+/// getValueAsString - This method looks up the specified field and returns its
+/// value as a string, throwing an exception if the field does not exist or if
+/// the value is not a string.
+///
+std::string Record::getValueAsString(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (const StringInit *SI = dynamic_cast<const StringInit*>(R->getValue()))
+ return SI->getValue();
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a string initializer!";
+}
+
+/// getValueAsBitsInit - This method looks up the specified field and returns
+/// its value as a BitsInit, throwing an exception if the field does not exist
+/// or if the value is not the right type.
+///
+BitsInit *Record::getValueAsBitsInit(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
+ return BI;
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a BitsInit initializer!";
+}
+
+/// getValueAsListInit - This method looks up the specified field and returns
+/// its value as a ListInit, throwing an exception if the field does not exist
+/// or if the value is not the right type.
+///
+ListInit *Record::getValueAsListInit(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue()))
+ return LI;
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a list initializer!";
+}
+
+/// getValueAsListOfDefs - This method looks up the specified field and returns
+/// its value as a vector of records, throwing an exception if the field does
+/// not exist or if the value is not the right type.
+///
+std::vector<Record*>
+Record::getValueAsListOfDefs(const std::string &FieldName) const {
+ ListInit *List = getValueAsListInit(FieldName);
+ std::vector<Record*> Defs;
+ for (unsigned i = 0; i < List->getSize(); i++) {
+ if (DefInit *DI = dynamic_cast<DefInit*>(List->getElement(i))) {
+ Defs.push_back(DI->getDef());
+ } else {
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' list is not entirely DefInit!";
+ }
+ }
+ return Defs;
+}
+
+/// getValueAsInt - This method looks up the specified field and returns its
+/// value as an int64_t, throwing an exception if the field does not exist or if
+/// the value is not the right type.
+///
+int64_t Record::getValueAsInt(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (IntInit *II = dynamic_cast<IntInit*>(R->getValue()))
+ return II->getValue();
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have an int initializer!";
+}
+
+/// getValueAsListOfInts - This method looks up the specified field and returns
+/// its value as a vector of integers, throwing an exception if the field does
+/// not exist or if the value is not the right type.
+///
+std::vector<int64_t>
+Record::getValueAsListOfInts(const std::string &FieldName) const {
+ ListInit *List = getValueAsListInit(FieldName);
+ std::vector<int64_t> Ints;
+ for (unsigned i = 0; i < List->getSize(); i++) {
+ if (IntInit *II = dynamic_cast<IntInit*>(List->getElement(i))) {
+ Ints.push_back(II->getValue());
+ } else {
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a list of ints initializer!";
+ }
+ }
+ return Ints;
+}
+
+/// getValueAsDef - This method looks up the specified field and returns its
+/// value as a Record, throwing an exception if the field does not exist or if
+/// the value is not the right type.
+///
+Record *Record::getValueAsDef(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue()))
+ return DI->getDef();
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a def initializer!";
+}
+
+/// getValueAsBit - This method looks up the specified field and returns its
+/// value as a bit, throwing an exception if the field does not exist or if
+/// the value is not the right type.
+///
+bool Record::getValueAsBit(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue()))
+ return BI->getValue();
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a bit initializer!";
+}
+
+/// getValueAsDag - This method looks up the specified field and returns its
+/// value as an Dag, throwing an exception if the field does not exist or if
+/// the value is not the right type.
+///
+DagInit *Record::getValueAsDag(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
+ return DI;
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a dag initializer!";
+}
+
+std::string Record::getValueAsCode(const std::string &FieldName) const {
+ const RecordVal *R = getValue(FieldName);
+ if (R == 0 || R->getValue() == 0)
+ throw "Record `" + getName() + "' does not have a field named `" +
+ FieldName + "'!\n";
+
+ if (const CodeInit *CI = dynamic_cast<const CodeInit*>(R->getValue()))
+ return CI->getValue();
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a code initializer!";
+}
+
+
+void MultiClass::dump() const {
+ cerr << "Record:\n";
+ Rec.dump();
+
+ cerr << "Defs:\n";
+ for (RecordVector::const_iterator r = DefPrototypes.begin(),
+ rend = DefPrototypes.end();
+ r != rend;
+ ++r) {
+ (*r)->dump();
+ }
+}
+
+
+void RecordKeeper::dump() const { cerr << *this; }
+
+std::ostream &llvm::operator<<(std::ostream &OS, const RecordKeeper &RK) {
+ OS << "------------- Classes -----------------\n";
+ const std::map<std::string, Record*> &Classes = RK.getClasses();
+ for (std::map<std::string, Record*>::const_iterator I = Classes.begin(),
+ E = Classes.end(); I != E; ++I)
+ OS << "class " << *I->second;
+
+ OS << "------------- Defs -----------------\n";
+ const std::map<std::string, Record*> &Defs = RK.getDefs();
+ for (std::map<std::string, Record*>::const_iterator I = Defs.begin(),
+ E = Defs.end(); I != E; ++I)
+ OS << "def " << *I->second;
+ return OS;
+}
+
+
+/// getAllDerivedDefinitions - This method returns all concrete definitions
+/// that derive from the specified class name. If a class with the specified
+/// name does not exist, an error is printed and true is returned.
+std::vector<Record*>
+RecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const {
+ Record *Class = Records.getClass(ClassName);
+ if (!Class)
+ throw "ERROR: Couldn't find the `" + ClassName + "' class!\n";
+
+ std::vector<Record*> Defs;
+ for (std::map<std::string, Record*>::const_iterator I = getDefs().begin(),
+ E = getDefs().end(); I != E; ++I)
+ if (I->second->isSubClassOf(Class))
+ Defs.push_back(I->second);
+
+ return Defs;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 22:32:04 +0000