#include "Record.h"
#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/Format.h"
#include "llvm/ADT/StringExtras.h"
-#include <ios>
using namespace llvm;
// Type implementations
//===----------------------------------------------------------------------===//
-void RecTy::dump() const { print(*cerr.stream()); }
+void RecTy::dump() const { print(errs()); }
Init *BitRecTy::convertValue(BitsInit *BI) {
if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
}
Init *BitsRecTy::convertValue(BitInit *UI) {
- if (Size != 1) return 0; // Can only convert single bit...
+ 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...
+/// canFitInBitfield - Return true if the number of bits is large enough to hold
+/// the integer value.
+static bool canFitInBitfield(int64_t Value, unsigned NumBits) {
if (Value >= 0) {
- if (Value & ~((1LL << Size)-1))
- return 0;
- } else {
- if ((Value >> Size) != -1 || ((Value & (1LL << (Size-1))) == 0))
- return 0;
+ if (Value & ~((1LL << NumBits) - 1))
+ return false;
+ } else if ((Value >> NumBits) != -1 || (Value & (1LL << (NumBits-1))) == 0) {
+ return false;
}
+ return true;
+}
+
+/// 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 (!canFitInBitfield(Value, Size))
+ return 0;
+
BitsInit *Ret = new BitsInit(Size);
for (unsigned i = 0; i != Size; ++i)
Ret->setBit(i, new BitInit(Value & (1LL << i)));
Init *BitsRecTy::convertValue(BitsInit *BI) {
// If the number of bits is right, return it. Otherwise we need to expand or
- // truncate...
+ // truncate.
if (BI->getNumBits() == Size) return BI;
return 0;
}
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;
}
+ if (TernOpInit *Tern = dynamic_cast<TernOpInit*>(VI)) {
+ if (Tern->getOpcode() == TernOpInit::IF) {
+ Init *LHS = Tern->getLHS();
+ Init *MHS = Tern->getMHS();
+ Init *RHS = Tern->getRHS();
+
+ IntInit *MHSi = dynamic_cast<IntInit*>(MHS);
+ IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
+
+ if (MHSi && RHSi) {
+ int64_t MHSVal = MHSi->getValue();
+ int64_t RHSVal = RHSi->getValue();
+
+ if (canFitInBitfield(MHSVal, Size) && canFitInBitfield(RHSVal, Size)) {
+ BitsInit *Ret = new BitsInit(Size);
+
+ for (unsigned i = 0; i != Size; ++i)
+ Ret->setBit(i, new TernOpInit(TernOpInit::IF, LHS,
+ new IntInit((MHSVal & (1LL << i)) ? 1 : 0),
+ new IntInit((RHSVal & (1LL << i)) ? 1 : 0),
+ VI->getType()));
+
+ return Ret;
+ }
+ } else {
+ BitsInit *MHSbs = dynamic_cast<BitsInit*>(MHS);
+ BitsInit *RHSbs = dynamic_cast<BitsInit*>(RHS);
+
+ if (MHSbs && RHSbs) {
+ BitsInit *Ret = new BitsInit(Size);
+
+ for (unsigned i = 0; i != Size; ++i)
+ Ret->setBit(i, new TernOpInit(TernOpInit::IF, LHS,
+ MHSbs->getBit(i),
+ RHSbs->getBit(i),
+ VI->getType()));
+
+ return Ret;
+ }
+ }
+ }
+ }
+
return 0;
}
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);
}
else
return 0;
- return new ListInit(Elements);
+ ListRecTy *LType = dynamic_cast<ListRecTy*>(LI->getType());
+ if (LType == 0) {
+ return 0;
+ }
+
+ return new ListInit(Elements, new ListRecTy(Ty));
}
Init *ListRecTy::convertValue(TypedInit *TI) {
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;
}
}
bool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const {
- return Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec);
+ if (Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec))
+ return true;
+
+ const std::vector<Record*> &SC = Rec->getSuperClasses();
+ for (unsigned i = 0, e = SC.size(); i != e; ++i)
+ if (RHS->getRecord()->isSubClassOf(SC[i]))
+ return true;
+
+ return false;
+}
+
+
+/// resolveTypes - Find a common type that T1 and T2 convert to.
+/// Return 0 if no such type exists.
+///
+RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) {
+ if (!T1->typeIsConvertibleTo(T2)) {
+ if (!T2->typeIsConvertibleTo(T1)) {
+ // If one is a Record type, check superclasses
+ RecordRecTy *RecTy1 = dynamic_cast<RecordRecTy*>(T1);
+ if (RecTy1) {
+ // See if T2 inherits from a type T1 also inherits from
+ const std::vector<Record *> &T1SuperClasses =
+ RecTy1->getRecord()->getSuperClasses();
+ for(std::vector<Record *>::const_iterator i = T1SuperClasses.begin(),
+ iend = T1SuperClasses.end();
+ i != iend;
+ ++i) {
+ RecordRecTy *SuperRecTy1 = new RecordRecTy(*i);
+ RecTy *NewType1 = resolveTypes(SuperRecTy1, T2);
+ if (NewType1 != 0) {
+ if (NewType1 != SuperRecTy1) {
+ delete SuperRecTy1;
+ }
+ return NewType1;
+ }
+ }
+ }
+ RecordRecTy *RecTy2 = dynamic_cast<RecordRecTy*>(T2);
+ if (RecTy2) {
+ // See if T1 inherits from a type T2 also inherits from
+ const std::vector<Record *> &T2SuperClasses =
+ RecTy2->getRecord()->getSuperClasses();
+ for (std::vector<Record *>::const_iterator i = T2SuperClasses.begin(),
+ iend = T2SuperClasses.end();
+ i != iend;
+ ++i) {
+ RecordRecTy *SuperRecTy2 = new RecordRecTy(*i);
+ RecTy *NewType2 = resolveTypes(T1, SuperRecTy2);
+ if (NewType2 != 0) {
+ if (NewType2 != SuperRecTy2) {
+ delete SuperRecTy2;
+ }
+ return NewType2;
+ }
+ }
+ }
+ return 0;
+ }
+ return T2;
+ }
+ return T1;
}
// Initializer implementations
//===----------------------------------------------------------------------===//
-void Init::dump() const { return print(*cerr.stream()); }
+void Init::dump() const { return print(errs()); }
Init *BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
BitsInit *BI = new BitsInit(Bits.size());
}
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 += ", ";
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.
//
return 0;
Vals.push_back(getElement(Elements[i]));
}
- return new ListInit(Vals);
+ return new ListInit(Vals, getType());
}
Record *ListInit::getElementAsRecord(unsigned i) const {
}
if (Changed)
- return new ListInit(Resolved);
+ return new ListInit(Resolved, getType());
return this;
}
+Init *ListInit::resolveListElementReference(Record &R, const RecordVal *IRV,
+ unsigned Elt) {
+ if (Elt >= getSize())
+ return 0; // Out of range reference.
+ Init *E = getElement(Elt);
+ // If the element is set to some value, or if we are resolving a reference
+ // to a specific variable and that variable is explicitly unset, then
+ // replace the VarListElementInit with it.
+ if (IRV || !dynamic_cast<UnsetInit*>(E))
+ return E;
+ return 0;
+}
+
std::string ListInit::getAsString() const {
std::string Result = "[";
for (unsigned i = 0, e = Values.size(); i != e; ++i) {
}
Init *OpInit::resolveBitReference(Record &R, const RecordVal *IRV,
- unsigned Bit) {
+ 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) {
+ 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;
}
switch (getOpcode()) {
default: assert(0 && "Unknown unop");
case CAST: {
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
- if (LHSs) {
- std::string Name = LHSs->getValue();
+ if (getType()->getAsString() == "string") {
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+ if (LHSs) {
+ return LHSs;
+ }
- // 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";
+ DefInit *LHSd = dynamic_cast<DefInit*>(LHS);
+ if (LHSd) {
+ return new StringInit(LHSd->getDef()->getName());
+ }
+ } else {
+ 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 cast";
+ return new VarInit(Name, RV->getType());
}
- return new VarInit(TemplateArgName, 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 cast";
+
+ 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 (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 cast";
- if (RV->getType() != getType()) {
- throw "type mismatch in nameconcat";
+ return new VarInit(MCName, RV->getType());
}
-
- return new VarInit(MCName, RV->getType());
}
- }
- if (Record *D = Records.getDef(Name))
- return new DefInit(D);
+ if (Record *D = (CurRec->getRecords()).getDef(Name))
+ return new DefInit(D);
- cerr << "Variable not defined: '" + Name + "'\n";
- assert(0 && "Variable not found");
- return 0;
+ errs() << "Variable not defined: '" + Name + "'\n";
+ assert(0 && "Variable not found");
+ return 0;
+ }
+ }
+ break;
+ }
+ case HEAD: {
+ 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 TAIL: {
+ 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(),
+ LHSl->getType());
+ return Result;
}
break;
}
+ case EMPTY: {
+ ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
+ if (LHSl) {
+ if (LHSl->getSize() == 0) {
+ return new IntInit(1);
+ } else {
+ return new IntInit(0);
+ }
+ }
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+ if (LHSs) {
+ if (LHSs->getValue().empty()) {
+ 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 Result;
switch (Opc) {
case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break;
+ case HEAD: Result = "!head"; break;
+ case TAIL: Result = "!tail"; break;
+ case EMPTY: Result = "!empty"; break;
}
return Result + "(" + LHS->getAsString() + ")";
}
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!";
- }
+ if (LOp == 0 || ROp == 0 || LOp->getDef() != ROp->getDef())
+ 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) {
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());
- }
- }
+ case EQ: {
+ // try to fold eq comparison for 'bit' and 'int', otherwise fallback
+ // to string objects.
+ IntInit* L =
+ dynamic_cast<IntInit*>(LHS->convertInitializerTo(new IntRecTy()));
+ IntInit* R =
+ dynamic_cast<IntInit*>(RHS->convertInitializerTo(new IntRecTy()));
- 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 (L && R)
+ return new IntInit(L->getValue() == R->getValue());
- if (RV->getType() != getType()) {
- throw "type mismatch in nameconcat";
- }
-
- return new VarInit(MCName, RV->getType());
- }
- }
+ StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
+ StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
- if (Record *D = Records.getDef(Name))
- return new DefInit(D);
+ // Make sure we've resolved
+ if (LHSs && RHSs)
+ return new IntInit(LHSs->getValue() == RHSs->getValue());
- cerr << "Variable not defined: '" + Name + "'\n";
- assert(0 && "Variable not found");
- return 0;
- }
break;
}
case SHL:
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);
case SHL: Result = "!shl"; break;
case SRA: Result = "!sra"; break;
case SRL: Result = "!srl"; break;
+ case EQ: Result = "!eq"; break;
case STRCONCAT: Result = "!strconcat"; break;
- case NAMECONCAT:
- Result = "!nameconcat<" + getType()->getAsString() + ">"; break;
}
return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
}
CurRec, CurMultiClass);
if (Result != 0) {
return Result;
- }
- else {
+ } else {
return 0;
}
}
Type, CurRec, CurMultiClass);
if (Result != 0) {
NewOperands.push_back(Result);
- }
- else {
+ } else {
NewOperands.push_back(Arg);
}
- }
- else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
+ } else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
NewOperands.push_back(Arg);
- }
- else {
+ } else {
NewOperands.push_back(RHSo->getOperand(i));
}
}
OpInit *RHSo = dynamic_cast<OpInit*>(RHS);
if (!RHSo) {
- cerr << "!foreach requires an operator\n";
+ errs() << "!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";
+ errs() << "!foreach requires typed variable\n";
assert(0 && "No typed variable for !foreach");
}
- if (MHSd && DagType || MHSl && ListType) {
+ if ((MHSd && DagType) || (MHSl && ListType)) {
if (MHSd) {
Init *Val = MHSd->getOperator();
Init *Result = EvaluateOperation(RHSo, LHS, Val,
// First, replace the foreach variable with the list item
if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
NewOperands.push_back(Item);
- }
- else {
+ } else {
NewOperands.push_back(RHSo->getOperand(i));
}
}
delete NewOp;
}
}
- return new ListInit(NewList);
+ return new ListInit(NewList, MHSl->getType());
}
}
return 0;
std::string Val = RHSs->getValue();
std::string::size_type found;
+ std::string::size_type idx = 0;
do {
- found = Val.find(LHSs->getValue());
+ found = Val.find(LHSs->getValue(), idx);
if (found != std::string::npos) {
Val.replace(found, LHSs->getValue().size(), MHSs->getValue());
}
+ idx = found + MHSs->getValue().size();
} while (found != std::string::npos);
return new StringInit(Val);
}
}
break;
- }
+ }
case FOREACH: {
Init *Result = ForeachHelper(LHS, MHS, RHS, getType(),
}
break;
}
+
+ case IF: {
+ IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
+ if (Init *I = LHS->convertInitializerTo(new IntRecTy()))
+ LHSi = dynamic_cast<IntInit*>(I);
+ 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);
+
+ if (Opc == IF && lhs != LHS) {
+ IntInit *Value = dynamic_cast<IntInit*>(lhs);
+ if (Init *I = lhs->convertInitializerTo(new IntRecTy()))
+ Value = dynamic_cast<IntInit*>(I);
+ if (Value != 0) {
+ // Short-circuit
+ if (Value->getValue()) {
+ Init *mhs = MHS->resolveReferences(R, RV);
+ return (new TernOpInit(getOpcode(), lhs, mhs,
+ RHS, getType()))->Fold(&R, 0);
+ } else {
+ Init *rhs = RHS->resolveReferences(R, RV);
+ return (new TernOpInit(getOpcode(), lhs, MHS,
+ rhs, getType()))->Fold(&R, 0);
+ }
+ }
+ }
+
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 Result;
switch (Opc) {
case SUBST: Result = "!subst"; break;
- case FOREACH: Result = "!foreach"; break;
+ case FOREACH: Result = "!foreach"; break;
+ case IF: Result = "!if"; break;
}
- return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", "
+ return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", "
+ RHS->getAsString() + ")";
}
+RecTy *TypedInit::getFieldType(const std::string &FieldName) const {
+ RecordRecTy *RecordType = dynamic_cast<RecordRecTy *>(getType());
+ if (RecordType) {
+ RecordVal *Field = RecordType->getRecord()->getValue(FieldName);
+ if (Field) {
+ return Field->getType();
+ }
+ }
+ return 0;
+}
+
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...
+ if (T == 0) return 0; // Cannot subscript a non-bits variable.
unsigned NumBits = T->getNumBits();
BitsInit *BI = new BitsInit(Bits.size());
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 (T == 0) return 0; // Cannot subscript a non-list variable.
if (Elements.size() == 1)
return new VarListElementInit(this, Elements[0]);
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);
+ return new ListInit(ListInits, T);
}
if (IRV && IRV->getName() != getName()) return 0;
RecordVal *RV = R.getValue(getName());
- assert(RV && "Reference to a non-existant variable?");
+ assert(RV && "Reference to a non-existent 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.
+ // If the bit is set to some value, or if we are resolving a reference to a
+ // specific variable and that variable is explicitly unset, then replace the
+ // VarBitInit with it.
+ if (IRV || !dynamic_cast<UnsetInit*>(B))
+ return B;
return 0;
}
if (IRV && IRV->getName() != getName()) return 0;
RecordVal *RV = R.getValue(getName());
- assert(RV && "Reference to a non-existant variable?");
+ assert(RV && "Reference to a non-existent 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.
+ // If the element is set to some value, or if we are resolving a reference
+ // to a specific variable and that variable is explicitly unset, then
+ // replace the VarListElementInit with it.
+ if (IRV || !dynamic_cast<UnsetInit*>(E))
+ return E;
return 0;
}
return 0;
}
-Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
+Init *VarInit::getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const {
if (dynamic_cast<RecordRecTy*>(getType()))
- if (const RecordVal *RV = R.getValue(VarName)) {
- Init *TheInit = RV->getValue();
+ if (const RecordVal *Val = R.getValue(VarName)) {
+ if (RV != Val && (RV || dynamic_cast<UnsetInit*>(Val->getValue())))
+ return 0;
+ Init *TheInit = Val->getValue();
assert(TheInit != this && "Infinite loop detected!");
- if (Init *I = TheInit->getFieldInit(R, FieldName))
+ if (Init *I = TheInit->getFieldInit(R, RV, FieldName))
return I;
else
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.
+/// variables which may not be defined at the time the 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.
///
return 0;
}
-Init *DefInit::getFieldInit(Record &R, const std::string &FieldName) const {
+Init *DefInit::getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const {
return Def->getValue(FieldName)->getValue();
}
Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
unsigned Bit) {
- if (Init *BitsVal = Rec->getFieldInit(R, FieldName))
+ if (Init *BitsVal = Rec->getFieldInit(R, RV, 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...
+ 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 (Init *ListVal = Rec->getFieldInit(R, RV, 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.
+ // If the element is set to some value, or if we are resolving a
+ // reference to a specific variable and that variable is explicitly
+ // unset, then replace the VarListElementInit with it.
+ if (RV || !dynamic_cast<UnsetInit*>(E))
+ return E;
}
return 0;
}
Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) {
Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
- Init *BitsVal = NewRec->getFieldInit(R, FieldName);
+ Init *BitsVal = NewRec->getFieldInit(R, RV, FieldName);
if (BitsVal) {
Init *BVR = BitsVal->resolveReferences(R, RV);
return BVR->isComplete() ? BVR : this;
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 new DagInit(Op, ValName, NewArgs, ArgNames);
+
return this;
}
assert(Value && "Cannot create unset value for current type!");
}
-void RecordVal::dump() const { cerr << *this; }
+void RecordVal::dump() const { errs() << *this; }
-void RecordVal::print(std::ostream &OS, bool PrintSem) const {
+void RecordVal::print(raw_ostream &OS, bool PrintSem) const {
if (getPrefix()) OS << "field ";
OS << *getType() << " " << getName();
if (PrintSem) OS << ";\n";
}
+unsigned Record::LastID = 0;
+
void Record::setName(const std::string &Name) {
- if (Records.getDef(getName()) == this) {
- Records.removeDef(getName());
+ if (TrackedRecords.getDef(getName()) == this) {
+ TrackedRecords.removeDef(getName());
this->Name = Name;
- Records.addDef(this);
+ TrackedRecords.addDef(this);
} else {
- Records.removeClass(getName());
+ TrackedRecords.removeClass(getName());
this->Name = Name;
- Records.addClass(this);
+ TrackedRecords.addClass(this);
}
}
}
}
+void Record::dump() const { errs() << *this; }
-void Record::dump() const { cerr << *this; }
-
-std::ostream &llvm::operator<<(std::ostream &OS, const Record &R) {
+raw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) {
OS << R.getName();
const std::vector<std::string> &TArgs = R.getTemplateArgs();
/// 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 {
+Init *Record::getValueInit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
return R->getValue();
}
/// 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 {
+std::string Record::getValueAsString(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (const StringInit *SI = dynamic_cast<const StringInit*>(R->getValue()))
return SI->getValue();
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a string initializer!";
}
/// 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 {
+BitsInit *Record::getValueAsBitsInit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
return BI;
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a BitsInit initializer!";
}
/// 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 {
+ListInit *Record::getValueAsListInit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue()))
return LI;
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a list initializer!";
}
/// 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 {
+std::vector<Record*>
+Record::getValueAsListOfDefs(StringRef 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 +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' list is not entirely DefInit!";
}
}
/// 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 {
+int64_t Record::getValueAsInt(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (IntInit *II = dynamic_cast<IntInit*>(R->getValue()))
return II->getValue();
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have an int initializer!";
}
/// 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 {
+std::vector<int64_t>
+Record::getValueAsListOfInts(StringRef 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 +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a list of ints initializer!";
}
}
/// 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 {
+Record *Record::getValueAsDef(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue()))
return DI->getDef();
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a def initializer!";
}
/// 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 {
+bool Record::getValueAsBit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue()))
return BI->getValue();
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a bit initializer!";
}
/// 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 {
+DagInit *Record::getValueAsDag(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
+ FieldName.str() + "'!\n";
if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
return DI;
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a dag initializer!";
}
-std::string Record::getValueAsCode(const std::string &FieldName) const {
+std::string Record::getValueAsCode(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
if (R == 0 || R->getValue() == 0)
throw "Record `" + getName() + "' does not have a field named `" +
- FieldName + "'!\n";
-
+ FieldName.str() + "'!\n";
+
if (const CodeInit *CI = dynamic_cast<const CodeInit*>(R->getValue()))
return CI->getValue();
- throw "Record `" + getName() + "', field `" + FieldName +
+ throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a code initializer!";
}
void MultiClass::dump() const {
- cerr << "Record:\n";
+ errs() << "Record:\n";
Rec.dump();
-
- cerr << "Defs:\n";
+
+ errs() << "Defs:\n";
for (RecordVector::const_iterator r = DefPrototypes.begin(),
rend = DefPrototypes.end();
r != rend;
}
-void RecordKeeper::dump() const { cerr << *this; }
+void RecordKeeper::dump() const { errs() << *this; }
-std::ostream &llvm::operator<<(std::ostream &OS, const RecordKeeper &RK) {
+raw_ostream &llvm::operator<<(raw_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(),
/// 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);
+ Record *Class = getClass(ClassName);
if (!Class)
throw "ERROR: Couldn't find the `" + ClassName + "' class!\n";
projects / oota-llvm.git / blobdiff