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-rw-r--r--lib/VMCore/Constants.cpp216
-rw-r--r--lib/VMCore/Instructions.cpp90
-rw-r--r--lib/VMCore/Type.cpp12
3 files changed, 153 insertions, 165 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 5753f1f..e15e68a 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -537,15 +537,23 @@ public:
/// 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;
+ }
+
+ /// Indicies - These identify which value to extract.
+ const SmallVector<unsigned, 4> Indices;
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
};
@@ -554,17 +562,24 @@ public:
/// 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;
}
+
+ /// Indicies - These identify the position for the insertion.
+ const SmallVector<unsigned, 4> Indices;
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
};
@@ -639,45 +654,15 @@ struct OperandTraits<ShuffleVectorConstantExpr> : FixedNumOperandTraits<3> {
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] = Agg;
- for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
- OperandList[i+1] = IdxList[i];
-}
-
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] = Agg;
- OperandList[1] = Val;
- for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
- OperandList[i+2] = IdxList[i];
-}
-
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueConstantExpr, Value)
-
template <>
struct OperandTraits<GetElementPtrConstantExpr> : VariadicOperandTraits<1> {
};
@@ -718,6 +703,21 @@ bool ConstantExpr::isCompare() const {
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;
+ if (const InsertValueConstantExpr *IVCE =
+ dyn_cast<InsertValueConstantExpr>(this))
+ return IVCE->Indices;
+ assert(0 && "ConstantExpr does not have indices!");
+}
+
/// ConstantExpr::get* - Return some common constants without having to
/// specify the full Instruction::OPCODE identifier.
///
@@ -829,29 +829,17 @@ ConstantExpr::getWithOperandReplaced(unsigned OpNo, Constant *Op) const {
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;
@@ -908,10 +896,16 @@ getWithOperands(const std::vector<Constant*> &Ops) const {
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:
@@ -1624,21 +1618,30 @@ void UndefValue::destroyConstant() {
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 {
@@ -1669,15 +1672,11 @@ namespace llvm {
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);
@@ -1756,7 +1755,9 @@ static ExprMapKeyType getValType(ConstantExpr *CE) {
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,
@@ -2298,31 +2299,26 @@ Constant *ConstantExpr::getShuffleVector(Constant *V1, Constant *V2,
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");
// 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!");
@@ -2334,28 +2330,22 @@ Constant *ConstantExpr::getInsertValue(Constant *Agg, Constant *Val,
}
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");
// 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;
+ 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!");
@@ -2591,31 +2581,19 @@ void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *ToV,
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()) {
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp
index 6ba0abc..e9b7979 100644
--- a/lib/VMCore/Instructions.cpp
+++ b/lib/VMCore/Instructions.cpp
@@ -1058,7 +1058,22 @@ const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
if (NumIdx == 0)
return Agg;
- return ExtractValueInst::getIndexedType(Agg, Idxs+1, Idxs+NumIdx);
+ unsigned CurIdx = 1;
+ for (; CurIdx != NumIdx; ++CurIdx) {
+ const CompositeType *CT = dyn_cast<CompositeType>(Agg);
+ if (!CT || isa<PointerType>(CT)) return 0;
+ Value *Index = Idxs[CurIdx];
+ if (!CT->indexValid(Index)) return 0;
+ Agg = CT->getTypeAtIndex(Index);
+
+ // If the new type forwards to another type, then it is in the middle
+ // of being refined to another type (and hence, may have dropped all
+ // references to what it was using before). So, use the new forwarded
+ // type.
+ if (const Type *Ty = Agg->getForwardedType())
+ Agg = Ty;
+ }
+ return CurIdx == NumIdx ? Agg : 0;
}
const Type* GetElementPtrInst::getIndexedType(const Type *Ptr, Value *Idx) {
@@ -1335,64 +1350,51 @@ int ShuffleVectorInst::getMaskValue(unsigned i) const {
// InsertValueInst Class
//===----------------------------------------------------------------------===//
-void InsertValueInst::init(Value *Agg, Value *Val, Value* const *Idx, unsigned NumIdx) {
- assert(NumOperands == 1+NumIdx && "NumOperands not initialized?");
- Use *OL = OperandList;
- OL[0] = Agg;
- OL[1] = Val;
+void InsertValueInst::init(Value *Agg, Value *Val,
+ const unsigned *Idx, unsigned NumIdx) {
+ assert(NumOperands == 2 && "NumOperands not initialized?");
+ Op<0>() = Agg;
+ Op<1>() = Val;
- for (unsigned i = 0; i != NumIdx; ++i)
- OL[i+2] = Idx[i];
+ Indices.insert(Indices.end(), Idx, Idx + NumIdx);
}
-void InsertValueInst::init(Value *Agg, Value *Val, Value *Idx) {
- assert(NumOperands == 3 && "NumOperands not initialized?");
- Use *OL = OperandList;
- OL[0] = Agg;
- OL[1] = Val;
- OL[2] = Idx;
+void InsertValueInst::init(Value *Agg, Value *Val, unsigned Idx) {
+ assert(NumOperands == 2 && "NumOperands not initialized?");
+ Op<0>() = Agg;
+ Op<1>() = Val;
+
+ Indices.push_back(Idx);
}
InsertValueInst::InsertValueInst(const InsertValueInst &IVI)
: Instruction(IVI.getType(), InsertValue,
- OperandTraits<InsertValueInst>::op_end(this)
- - IVI.getNumOperands(),
- IVI.getNumOperands()) {
- Use *OL = OperandList;
- Use *IVIOL = IVI.OperandList;
- for (unsigned i = 0, E = NumOperands; i != E; ++i)
- OL[i] = IVIOL[i];
+ OperandTraits<InsertValueInst>::op_begin(this), 2),
+ Indices(IVI.Indices) {
}
//===----------------------------------------------------------------------===//
// ExtractValueInst Class
//===----------------------------------------------------------------------===//
-void ExtractValueInst::init(Value *Agg, Value* const *Idx, unsigned NumIdx) {
- assert(NumOperands == 1+NumIdx && "NumOperands not initialized?");
- Use *OL = OperandList;
- OL[0] = Agg;
+void ExtractValueInst::init(Value *Agg, const unsigned *Idx, unsigned NumIdx) {
+ assert(NumOperands == 1 && "NumOperands not initialized?");
+ Op<0>() = Agg;
- for (unsigned i = 0; i != NumIdx; ++i)
- OL[i+1] = Idx[i];
+ Indices.insert(Indices.end(), Idx, Idx + NumIdx);
}
-void ExtractValueInst::init(Value *Agg, Value *Idx) {
- assert(NumOperands == 2 && "NumOperands not initialized?");
- Use *OL = OperandList;
- OL[0] = Agg;
- OL[1] = Idx;
+void ExtractValueInst::init(Value *Agg, unsigned Idx) {
+ assert(NumOperands == 1 && "NumOperands not initialized?");
+ Op<0>() = Agg;
+
+ Indices.push_back(Idx);
}
ExtractValueInst::ExtractValueInst(const ExtractValueInst &EVI)
: Instruction(reinterpret_cast<const Type*>(EVI.getType()), ExtractValue,
- OperandTraits<ExtractValueInst>::op_end(this)
- - EVI.getNumOperands(),
- EVI.getNumOperands()) {
- Use *OL = OperandList;
- Use *EVIOL = EVI.OperandList;
- for (unsigned i = 0, E = NumOperands; i != E; ++i)
- OL[i] = EVIOL[i];
+ OperandTraits<ExtractValueInst>::op_begin(this), 1),
+ Indices(EVI.Indices) {
}
// getIndexedType - Returns the type of the element that would be extracted
@@ -1402,13 +1404,13 @@ ExtractValueInst::ExtractValueInst(const ExtractValueInst &EVI)
// pointer type.
//
const Type* ExtractValueInst::getIndexedType(const Type *Agg,
- Value* const *Idxs,
+ const unsigned *Idxs,
unsigned NumIdx) {
unsigned CurIdx = 0;
for (; CurIdx != NumIdx; ++CurIdx) {
const CompositeType *CT = dyn_cast<CompositeType>(Agg);
- if (!CT || isa<PointerType>(CT)) return 0;
- Value *Index = Idxs[CurIdx];
+ if (!CT || isa<PointerType>(CT) || isa<VectorType>(CT)) return 0;
+ unsigned Index = Idxs[CurIdx];
if (!CT->indexValid(Index)) return 0;
Agg = CT->getTypeAtIndex(Index);
@@ -2869,10 +2871,10 @@ VICmpInst* VICmpInst::clone() const {
}
ExtractValueInst *ExtractValueInst::clone() const {
- return new(getNumOperands()) ExtractValueInst(*this);
+ return new ExtractValueInst(*this);
}
InsertValueInst *InsertValueInst::clone() const {
- return new(getNumOperands()) InsertValueInst(*this);
+ return new InsertValueInst(*this);
}
diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index d7fe2d1..c9805ea 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -396,16 +396,24 @@ bool StructType::indexValid(const Value *V) const {
// Structure indexes require 32-bit integer constants.
if (V->getType() == Type::Int32Ty)
if (const ConstantInt *CU = dyn_cast<ConstantInt>(V))
- return CU->getZExtValue() < NumContainedTys;
+ return indexValid(CU->getZExtValue());
return false;
}
+bool StructType::indexValid(unsigned V) const {
+ return V < NumContainedTys;
+}
+
// getTypeAtIndex - Given an index value into the type, return the type of the
// element. For a structure type, this must be a constant value...
//
const Type *StructType::getTypeAtIndex(const Value *V) const {
- assert(indexValid(V) && "Invalid structure index!");
unsigned Idx = (unsigned)cast<ConstantInt>(V)->getZExtValue();
+ return getTypeAtIndex(Idx);
+}
+
+const Type *StructType::getTypeAtIndex(unsigned Idx) const {
+ assert(indexValid(Idx) && "Invalid structure index!");
return ContainedTys[Idx];
}
generated by cgit v1.1 at 2025-06-03 19:50:49 +0000