(T->isAbstract() &&
C->getType()->getTypeID() == T->getElementType()->getTypeID())) &&
"Initializer for array element doesn't match array element type!");
- OL->init(C, this);
+ *OL = C;
}
}
T->getElementType(I-V.begin())->getTypeID() ==
C->getType()->getTypeID())) &&
"Initializer for struct element doesn't match struct element type!");
- OL->init(C, this);
+ *OL = C;
}
}
(T->isAbstract() &&
C->getType()->getTypeID() == T->getElementType()->getTypeID())) &&
"Initializer for vector element doesn't match vector element type!");
- OL->init(C, this);
+ *OL = C;
}
}
}
BinaryConstantExpr(unsigned Opcode, Constant *C1, Constant *C2)
: ConstantExpr(C1->getType(), Opcode, &Op<0>(), 2) {
- Op<0>().init(C1, this);
- Op<1>().init(C2, this);
+ Op<0>() = C1;
+ Op<1>() = C2;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
}
SelectConstantExpr(Constant *C1, Constant *C2, Constant *C3)
: ConstantExpr(C2->getType(), Instruction::Select, &Op<0>(), 3) {
- Op<0>().init(C1, this);
- Op<1>().init(C2, this);
- Op<2>().init(C3, this);
+ Op<0>() = C1;
+ Op<1>() = C2;
+ Op<2>() = C3;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
ExtractElementConstantExpr(Constant *C1, Constant *C2)
: ConstantExpr(cast<VectorType>(C1->getType())->getElementType(),
Instruction::ExtractElement, &Op<0>(), 2) {
- Op<0>().init(C1, this);
- Op<1>().init(C2, this);
+ Op<0>() = C1;
+ Op<1>() = C2;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
InsertElementConstantExpr(Constant *C1, Constant *C2, Constant *C3)
: ConstantExpr(C1->getType(), Instruction::InsertElement,
&Op<0>(), 3) {
- Op<0>().init(C1, this);
- Op<1>().init(C2, this);
- Op<2>().init(C3, this);
+ Op<0>() = C1;
+ Op<1>() = C2;
+ Op<2>() = C3;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
ShuffleVectorConstantExpr(Constant *C1, Constant *C2, Constant *C3)
: ConstantExpr(C1->getType(), Instruction::ShuffleVector,
&Op<0>(), 3) {
- Op<0>().init(C1, this);
- Op<1>().init(C2, this);
- Op<2>().init(C3, this);
+ Op<0>() = C1;
+ Op<1>() = C2;
+ Op<2>() = C3;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// Constants.cpp, and is used behind the scenes to implement
/// extractvalue constant exprs.
class VISIBILITY_HIDDEN ExtractValueConstantExpr : public ConstantExpr {
- ExtractValueConstantExpr(Constant *Agg, const std::vector<Constant*> &IdxList,
- const Type *DestTy);
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
public:
- static ExtractValueConstantExpr *Create(Constant *Agg,
- const std::vector<Constant*> &IdxList,
- const Type *DestTy) {
- return
- new(IdxList.size() + 1) ExtractValueConstantExpr(Agg, IdxList, DestTy);
+ // allocate space for exactly one operand
+ void *operator new(size_t s) {
+ return User::operator new(s, 1);
+ }
+ ExtractValueConstantExpr(Constant *Agg,
+ const SmallVector<unsigned, 4> &IdxList,
+ const Type *DestTy)
+ : ConstantExpr(DestTy, Instruction::ExtractValue, &Op<0>(), 1),
+ Indices(IdxList) {
+ Op<0>() = Agg;
}
+
+ /// Indices - These identify which value to extract.
+ const SmallVector<unsigned, 4> Indices;
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
};
/// Constants.cpp, and is used behind the scenes to implement
/// insertvalue constant exprs.
class VISIBILITY_HIDDEN InsertValueConstantExpr : public ConstantExpr {
- InsertValueConstantExpr(Constant *Agg, Constant *Val,
- const std::vector<Constant*> &IdxList,
- const Type *DestTy);
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
public:
- static InsertValueConstantExpr *Create(Constant *Agg, Constant *Val,
- const std::vector<Constant*> &IdxList,
- const Type *DestTy) {
- return
- new(IdxList.size() + 2) InsertValueConstantExpr(Agg, Val,
- IdxList, DestTy);
+ // allocate space for exactly one operand
+ void *operator new(size_t s) {
+ return User::operator new(s, 2);
+ }
+ InsertValueConstantExpr(Constant *Agg, Constant *Val,
+ const SmallVector<unsigned, 4> &IdxList,
+ const Type *DestTy)
+ : ConstantExpr(DestTy, Instruction::InsertValue, &Op<0>(), 2),
+ Indices(IdxList) {
+ Op<0>() = Agg;
+ Op<1>() = Val;
}
+
+ /// Indices - These identify the position for the insertion.
+ const SmallVector<unsigned, 4> Indices;
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
};
CompareConstantExpr(const Type *ty, Instruction::OtherOps opc,
unsigned short pred, Constant* LHS, Constant* RHS)
: ConstantExpr(ty, opc, &Op<0>(), 2), predicate(pred) {
- Op<0>().init(LHS, this);
- Op<1>().init(RHS, this);
+ Op<0>() = LHS;
+ Op<1>() = RHS;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ShuffleVectorConstantExpr, Value)
template <>
-struct OperandTraits<ExtractValueConstantExpr> : VariadicOperandTraits<1> {
+struct OperandTraits<ExtractValueConstantExpr> : FixedNumOperandTraits<1> {
};
-
-ExtractValueConstantExpr::ExtractValueConstantExpr
- (Constant *Agg,
- const std::vector<Constant*> &IdxList,
- const Type *DestTy)
- : ConstantExpr(DestTy, Instruction::ExtractValue,
- OperandTraits<ExtractValueConstantExpr>::op_end(this)
- - (IdxList.size()+1),
- IdxList.size()+1) {
- OperandList[0].init(Agg, this);
- for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
- OperandList[i+1].init(IdxList[i], this);
-}
-
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractValueConstantExpr, Value)
template <>
-struct OperandTraits<InsertValueConstantExpr> : VariadicOperandTraits<2> {
+struct OperandTraits<InsertValueConstantExpr> : FixedNumOperandTraits<2> {
};
-
-InsertValueConstantExpr::InsertValueConstantExpr
- (Constant *Agg, Constant *Val,
- const std::vector<Constant*> &IdxList,
- const Type *DestTy)
- : ConstantExpr(DestTy, Instruction::InsertValue,
- OperandTraits<InsertValueConstantExpr>::op_end(this)
- - (IdxList.size()+2),
- IdxList.size()+2) {
- OperandList[0].init(Agg, this);
- OperandList[1].init(Val, this);
- for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
- OperandList[i+2].init(IdxList[i], this);
-}
-
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueConstantExpr, Value)
-
template <>
struct OperandTraits<GetElementPtrConstantExpr> : VariadicOperandTraits<1> {
};
OperandTraits<GetElementPtrConstantExpr>::op_end(this)
- (IdxList.size()+1),
IdxList.size()+1) {
- OperandList[0].init(C, this);
+ OperandList[0] = C;
for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
- OperandList[i+1].init(IdxList[i], this);
+ OperandList[i+1] = IdxList[i];
}
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(GetElementPtrConstantExpr, Value)
return getOpcode() == Instruction::ICmp || getOpcode() == Instruction::FCmp;
}
+bool ConstantExpr::hasIndices() const {
+ return getOpcode() == Instruction::ExtractValue ||
+ getOpcode() == Instruction::InsertValue;
+}
+
+const SmallVector<unsigned, 4> &ConstantExpr::getIndices() const {
+ if (const ExtractValueConstantExpr *EVCE =
+ dyn_cast<ExtractValueConstantExpr>(this))
+ return EVCE->Indices;
+
+ return cast<InsertValueConstantExpr>(this)->Indices;
+}
+
/// ConstantExpr::get* - Return some common constants without having to
/// specify the full Instruction::OPCODE identifier.
///
Op2 = (OpNo == 2) ? Op : getOperand(2);
return ConstantExpr::getShuffleVector(Op0, Op1, Op2);
case Instruction::InsertValue: {
- SmallVector<Constant*, 8> Ops;
- Ops.resize(getNumOperands()-2);
- for (unsigned i = 2, e = getNumOperands(); i != e; ++i)
- Ops[i-2] = getOperand(i);
- if (OpNo == 0)
- return ConstantExpr::getInsertValue(Op, getOperand(1),
- &Ops[0], Ops.size());
- if (OpNo == 1)
- return ConstantExpr::getInsertValue(getOperand(0), Op,
- &Ops[0], Ops.size());
- Ops[OpNo-2] = Op;
- return ConstantExpr::getInsertValue(getOperand(0), getOperand(1),
- &Ops[0], Ops.size());
+ const SmallVector<unsigned, 4> &Indices = getIndices();
+ Op0 = (OpNo == 0) ? Op : getOperand(0);
+ Op1 = (OpNo == 1) ? Op : getOperand(1);
+ return ConstantExpr::getInsertValue(Op0, Op1,
+ &Indices[0], Indices.size());
}
case Instruction::ExtractValue: {
- SmallVector<Constant*, 8> Ops;
- Ops.resize(getNumOperands()-1);
- for (unsigned i = 1, e = getNumOperands(); i != e; ++i)
- Ops[i-1] = getOperand(i);
- if (OpNo == 0)
- return ConstantExpr::getExtractValue(Op, &Ops[0], Ops.size());
- Ops[OpNo-1] = Op;
- return ConstantExpr::getExtractValue(getOperand(0), &Ops[0], Ops.size());
+ assert(OpNo == 0 && "ExtractaValue has only one operand!");
+ const SmallVector<unsigned, 4> &Indices = getIndices();
+ return
+ ConstantExpr::getExtractValue(Op, &Indices[0], Indices.size());
}
case Instruction::GetElementPtr: {
SmallVector<Constant*, 8> Ops;
return ConstantExpr::getExtractElement(Ops[0], Ops[1]);
case Instruction::ShuffleVector:
return ConstantExpr::getShuffleVector(Ops[0], Ops[1], Ops[2]);
- case Instruction::InsertValue:
- return ConstantExpr::getInsertValue(Ops[0], Ops[1], &Ops[2], Ops.size()-2);
- case Instruction::ExtractValue:
- return ConstantExpr::getExtractValue(Ops[0], &Ops[1], Ops.size()-1);
+ case Instruction::InsertValue: {
+ const SmallVector<unsigned, 4> &Indices = getIndices();
+ return ConstantExpr::getInsertValue(Ops[0], Ops[1],
+ &Indices[0], Indices.size());
+ }
+ case Instruction::ExtractValue: {
+ const SmallVector<unsigned, 4> &Indices = getIndices();
+ return ConstantExpr::getExtractValue(Ops[0],
+ &Indices[0], Indices.size());
+ }
case Instruction::GetElementPtr:
return ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], Ops.size()-1);
case Instruction::ICmp:
namespace {
struct ExprMapKeyType {
- explicit ExprMapKeyType(unsigned opc, std::vector<Constant*> ops,
- unsigned short pred = 0) : opcode(opc), predicate(pred), operands(ops) { }
+ typedef SmallVector<unsigned, 4> IndexList;
+
+ ExprMapKeyType(unsigned opc,
+ const std::vector<Constant*> &ops,
+ unsigned short pred = 0,
+ const IndexList &inds = IndexList())
+ : opcode(opc), predicate(pred), operands(ops), indices(inds) {}
uint16_t opcode;
uint16_t predicate;
std::vector<Constant*> operands;
+ IndexList indices;
bool operator==(const ExprMapKeyType& that) const {
return this->opcode == that.opcode &&
this->predicate == that.predicate &&
this->operands == that.operands;
+ this->indices == that.indices;
}
bool operator<(const ExprMapKeyType & that) const {
return this->opcode < that.opcode ||
(this->opcode == that.opcode && this->predicate < that.predicate) ||
(this->opcode == that.opcode && this->predicate == that.predicate &&
- this->operands < that.operands);
+ this->operands < that.operands) ||
+ (this->opcode == that.opcode && this->predicate == that.predicate &&
+ this->operands == that.operands && this->indices < that.indices);
}
bool operator!=(const ExprMapKeyType& that) const {
if (V.opcode == Instruction::ShuffleVector)
return new ShuffleVectorConstantExpr(V.operands[0], V.operands[1],
V.operands[2]);
- if (V.opcode == Instruction::InsertValue) {
- std::vector<Constant*> IdxList(V.operands.begin()+2, V.operands.end());
- return InsertValueConstantExpr::Create(V.operands[0], V.operands[1],
- IdxList, Ty);
- }
- if (V.opcode == Instruction::ExtractValue) {
- std::vector<Constant*> IdxList(V.operands.begin()+1, V.operands.end());
- return ExtractValueConstantExpr::Create(V.operands[0], IdxList, Ty);
- }
+ if (V.opcode == Instruction::InsertValue)
+ return new InsertValueConstantExpr(V.operands[0], V.operands[1],
+ V.indices, Ty);
+ if (V.opcode == Instruction::ExtractValue)
+ return new ExtractValueConstantExpr(V.operands[0], V.indices, Ty);
if (V.opcode == Instruction::GetElementPtr) {
std::vector<Constant*> IdxList(V.operands.begin()+1, V.operands.end());
return GetElementPtrConstantExpr::Create(V.operands[0], IdxList, Ty);
for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i)
Operands.push_back(cast<Constant>(CE->getOperand(i)));
return ExprMapKeyType(CE->getOpcode(), Operands,
- CE->isCompare() ? CE->getPredicate() : 0);
+ CE->isCompare() ? CE->getPredicate() : 0,
+ CE->hasIndices() ?
+ CE->getIndices() : SmallVector<unsigned, 4>());
}
static ManagedStatic<ValueMap<ExprMapKeyType, Type,
Constant *ConstantExpr::getInsertValueTy(const Type *ReqTy, Constant *Agg,
Constant *Val,
- Constant *const *Idxs, unsigned NumIdx) {
+ const unsigned *Idxs, unsigned NumIdx) {
assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs,
Idxs+NumIdx) == Val->getType() &&
"insertvalue indices invalid!");
assert(Agg->getType() == ReqTy &&
"insertvalue type invalid!");
-
- if (Constant *FC = ConstantFoldInsertValue(Agg, Val, Idxs, NumIdx))
- return FC; // Fold a few common cases...
-
assert(Agg->getType()->isFirstClassType() &&
"Non-first-class type for constant InsertValue expression");
+ if (Constant *FC = ConstantFoldInsertValueInstruction(Agg, Val, Idxs, NumIdx))
+ return FC; // Fold a few common cases...
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec;
- ArgVec.reserve(NumIdx+2);
ArgVec.push_back(Agg);
ArgVec.push_back(Val);
- for (unsigned i = 0; i != NumIdx; ++i)
- ArgVec.push_back(cast<Constant>(Idxs[i]));
- const ExprMapKeyType Key(Instruction::InsertValue, ArgVec);
+ SmallVector<unsigned, 4> Indices(Idxs, Idxs + NumIdx);
+ const ExprMapKeyType Key(Instruction::InsertValue, ArgVec, 0, Indices);
return ExprConstants->getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getInsertValue(Constant *Agg, Constant *Val,
- Constant* const *IdxList, unsigned NumIdx) {
+ const unsigned *IdxList, unsigned NumIdx) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create insertelement operation on non-first-class type!");
}
Constant *ConstantExpr::getExtractValueTy(const Type *ReqTy, Constant *Agg,
- Constant *const *Idxs, unsigned NumIdx) {
+ const unsigned *Idxs, unsigned NumIdx) {
assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs,
Idxs+NumIdx) == ReqTy &&
"extractvalue indices invalid!");
-
- if (Constant *FC = ConstantFoldExtractValue(Agg, Idxs, NumIdx))
- return FC; // Fold a few common cases...
-
assert(Agg->getType()->isFirstClassType() &&
"Non-first-class type for constant extractvalue expression");
+ if (Constant *FC = ConstantFoldExtractValueInstruction(Agg, Idxs, NumIdx))
+ return FC; // Fold a few common cases...
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec;
- ArgVec.reserve(NumIdx+1);
ArgVec.push_back(Agg);
- for (unsigned i = 0; i != NumIdx; ++i)
- ArgVec.push_back(cast<Constant>(Idxs[i]));
- const ExprMapKeyType Key(Instruction::ExtractValue, ArgVec);
+ SmallVector<unsigned, 4> Indices(Idxs, Idxs + NumIdx);
+ const ExprMapKeyType Key(Instruction::ExtractValue, ArgVec, 0, Indices);
return ExprConstants->getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getExtractValue(Constant *Agg,
- Constant* const *IdxList, unsigned NumIdx) {
+ const unsigned *IdxList, unsigned NumIdx) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create extractelement operation on non-first-class type!");
Replacement = ConstantExpr::getGetElementPtr(Pointer,
&Indices[0], Indices.size());
} else if (getOpcode() == Instruction::ExtractValue) {
- SmallVector<Constant*, 8> Indices;
Constant *Agg = getOperand(0);
- Indices.reserve(getNumOperands()-1);
if (Agg == From) Agg = To;
- for (unsigned i = 1, e = getNumOperands(); i != e; ++i) {
- Constant *Val = getOperand(i);
- if (Val == From) Val = To;
- Indices.push_back(Val);
- }
+ const SmallVector<unsigned, 4> &Indices = getIndices();
Replacement = ConstantExpr::getExtractValue(Agg,
&Indices[0], Indices.size());
} else if (getOpcode() == Instruction::InsertValue) {
- SmallVector<Constant*, 8> Indices;
Constant *Agg = getOperand(0);
Constant *Val = getOperand(1);
- Indices.reserve(getNumOperands()-2);
if (Agg == From) Agg = To;
if (Val == From) Val = To;
- for (unsigned i = 2, e = getNumOperands(); i != e; ++i) {
- Constant *Val = getOperand(i);
- if (Val == From) Val = To;
- Indices.push_back(Val);
- }
+ const SmallVector<unsigned, 4> &Indices = getIndices();
Replacement = ConstantExpr::getInsertValue(Agg, Val,
&Indices[0], Indices.size());
} else if (isCast()) {
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