#include "llvm/DerivedTypes.h"
using namespace llvm;
-AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
- const std::string &Name, Instruction *InsertBef)
- : Instruction(PointerType::get(Ty), iTy, Name, InsertBef) {
-
+void AllocationInst::init(const Type *Ty, Value *ArraySize, unsigned iTy) {
// ArraySize defaults to 1.
if (!ArraySize) ArraySize = ConstantUInt::get(Type::UIntTy, 1);
Operands.push_back(Use(ArraySize, this));
}
+AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
+ const std::string &Name,
+ Instruction *InsertBefore)
+ : Instruction(PointerType::get(Ty), iTy, Name, InsertBefore) {
+ init(Ty, ArraySize, iTy);
+}
+
+AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
+ const std::string &Name,
+ BasicBlock *InsertAtEnd)
+ : Instruction(PointerType::get(Ty), iTy, Name, InsertAtEnd) {
+ init(Ty, ArraySize, iTy);
+}
+
bool AllocationInst::isArrayAllocation() const {
return getOperand(0) != ConstantUInt::get(Type::UIntTy, 1);
}
// FreeInst Implementation
//===----------------------------------------------------------------------===//
-FreeInst::FreeInst(Value *Ptr, Instruction *InsertBefore)
- : Instruction(Type::VoidTy, Free, "", InsertBefore) {
- assert(isa<PointerType>(Ptr->getType()) && "Can't free nonpointer!");
+void FreeInst::init(Value *Ptr)
+{
+ assert(
Ptr && isa<PointerType>(Ptr->getType()) && "Can't free nonpointer!");
Operands.reserve(1);
Operands.push_back(Use(Ptr, this));
}
+FreeInst::FreeInst(Value *Ptr, Instruction *InsertBefore)
+ : Instruction(Type::VoidTy, Free, "", InsertBefore) {
+ init(Ptr);
+}
+
+FreeInst::FreeInst(Value *Ptr, BasicBlock *InsertAtEnd)
+ : Instruction(Type::VoidTy, Free, "", InsertAtEnd) {
+ init(Ptr);
+}
+
//===----------------------------------------------------------------------===//
// LoadInst Implementation
//===----------------------------------------------------------------------===//
+void LoadInst::init(Value *Ptr) {
+ assert(Ptr && isa<PointerType>(Ptr->getType()) &&
+ "Ptr must have pointer type.");
+ Operands.reserve(1);
+ Operands.push_back(Use(Ptr, this));
+}
+
LoadInst::LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBef)
: Instruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Name, InsertBef), Volatile(false) {
- Operands.reserve(1);
- Operands.push_back(Use(Ptr, this));
+ init(Ptr);
+}
+
+LoadInst::LoadInst(Value *Ptr, const std::string &Name, BasicBlock *InsertAE)
+ : Instruction(cast<PointerType>(Ptr->getType())->getElementType(),
+ Load, Name, InsertAE), Volatile(false) {
+ init(Ptr);
}
LoadInst::LoadInst(Value *Ptr, const std::string &Name, bool isVolatile,
Instruction *InsertBef)
: Instruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Name, InsertBef), Volatile(isVolatile) {
- Operands.reserve(1);
- Operands.push_back(Use(Ptr, this));
+ init(Ptr);
}
+LoadInst::LoadInst(Value *Ptr, const std::string &Name, bool isVolatile,
+ BasicBlock *InsertAE)
+ : Instruction(cast<PointerType>(Ptr->getType())->getElementType(),
+ Load, Name, InsertAE), Volatile(isVolatile) {
+ init(Ptr);
+}
+
+
//===----------------------------------------------------------------------===//
// StoreInst Implementation
//===----------------------------------------------------------------------===//
StoreInst::StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore)
: Instruction(Type::VoidTy, Store, "", InsertBefore), Volatile(false) {
-
- Operands.reserve(2);
- Operands.push_back(Use(Val, this));
- Operands.push_back(Use(Ptr, this));
+ init(Val, Ptr);
+}
+
+StoreInst::StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd)
+ : Instruction(Type::VoidTy, Store, "", InsertAtEnd), Volatile(false) {
+ init(Val, Ptr);
}
StoreInst::StoreInst(Value *Val, Value *Ptr, bool isVolatile,
Instruction *InsertBefore)
: Instruction(Type::VoidTy, Store, "", InsertBefore), Volatile(isVolatile) {
-
+ init(Val, Ptr);
+}
+
+StoreInst::StoreInst(Value *Val, Value *Ptr, bool isVolatile,
+ BasicBlock *InsertAtEnd)
+ : Instruction(Type::VoidTy, Store, "", InsertAtEnd), Volatile(isVolatile) {
+ init(Val, Ptr);
+}
+
+void StoreInst::init(Value *Val, Value *Ptr) {
+ assert(isa<PointerType>(Ptr->getType()) &&
+ Val->getType() == cast<PointerType>(Ptr->getType())->getElementType()
+ && "Ptr must have pointer type.");
+
Operands.reserve(2);
Operands.push_back(Use(Val, this));
Operands.push_back(Use(Ptr, this));
}
-
//===----------------------------------------------------------------------===//
// GetElementPtrInst Implementation
//===----------------------------------------------------------------------===//
return Ty;
}
+void GetElementPtrInst::init(Value *Ptr, const std::vector<Value*> &Idx)
+{
+ Operands.reserve(1+Idx.size());
+ Operands.push_back(Use(Ptr, this));
+
+ for (unsigned i = 0, E = Idx.size(); i != E; ++i)
+ Operands.push_back(Use(Idx[i], this));
+}
+
+void GetElementPtrInst::init(Value *Ptr, Value *Idx0, Value *Idx1) {
+ Operands.reserve(3);
+ Operands.push_back(Use(Ptr, this));
+ Operands.push_back(Use(Idx0, this));
+ Operands.push_back(Use(Idx1, this));
+}
+
GetElementPtrInst::GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx,
const std::string &Name, Instruction *InBe)
: Instruction(PointerType::get(checkType(getIndexedType(Ptr->getType(),
Idx, true))),
GetElementPtr, Name, InBe) {
- Operands.reserve(1+Idx.size());
- Operands.push_back(Use(Ptr, this));
+ init(Ptr, Idx);
+}
- for (unsigned i = 0, E = Idx.size(); i != E; ++i)
- Operands.push_back(Use(Idx[i], this));
+GetElementPtrInst::GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx,
+ const std::string &Name, BasicBlock *IAE)
+ : Instruction(PointerType::get(checkType(getIndexedType(Ptr->getType(),
+ Idx, true))),
+ GetElementPtr, Name, IAE) {
+ init(Ptr, Idx);
+}
+
+GetElementPtrInst::GetElementPtrInst(Value *Ptr, Value *Idx0, Value *Idx1,
+ const std::string &Name, Instruction *InBe)
+ : Instruction(PointerType::get(checkType(getIndexedType(Ptr->getType(),
+ Idx0, Idx1, true))),
+ GetElementPtr, Name, InBe) {
+ init(Ptr, Idx0, Idx1);
+}
+
+GetElementPtrInst::GetElementPtrInst(Value *Ptr, Value *Idx0, Value *Idx1,
+ const std::string &Name, BasicBlock *IAE)
+ : Instruction(PointerType::get(checkType(getIndexedType(Ptr->getType(),
+ Idx0, Idx1, true))),
+ GetElementPtr, Name, IAE) {
+ init(Ptr, Idx0, Idx1);
}
// getIndexedType - Returns the type of the element that would be loaded with
if (!isa<PointerType>(Ptr)) return 0; // Type isn't a pointer type!
// Handle the special case of the empty set index set...
- if (Idx.empty()) return cast<PointerType>(Ptr)->getElementType();
+ if (Idx.empty())
+ if (AllowCompositeLeaf ||
+ cast<PointerType>(Ptr)->getElementType()->isFirstClassType())
+ return cast<PointerType>(Ptr)->getElementType();
+ else
+ return 0;
unsigned CurIdx = 0;
while (const CompositeType *CT = dyn_cast<CompositeType>(Ptr)) {
return 0; // Can only index into pointer types at the first index!
if (!CT->indexValid(Index)) return 0;
Ptr = 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 = Ptr->getForwardedType()) {
+ Ptr = Ty;
+ }
}
return CurIdx == Idx.size() ? Ptr : 0;
}
+
+const Type* GetElementPtrInst::getIndexedType(const Type *Ptr,
+ Value *Idx0, Value *Idx1,
+ bool AllowCompositeLeaf) {
+ const PointerType *PTy = dyn_cast<PointerType>(Ptr);
+ if (!PTy) return 0; // Type isn't a pointer type!
+
+ // Check the pointer index.
+ if (!PTy->indexValid(Idx0)) return 0;
+
+ const CompositeType *CT = dyn_cast<CompositeType>(PTy->getElementType());
+ if (!CT || !CT->indexValid(Idx1)) return 0;
+
+ const Type *ElTy = CT->getTypeAtIndex(Idx1);
+ if (AllowCompositeLeaf || ElTy->isFirstClassType())
+ return ElTy;
+ return 0;
+}
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