#define LLVM_IMEMORY_H
#include "llvm/Instruction.h"
-#include "llvm/DerivedTypes.h"
+class PointerType;
//===----------------------------------------------------------------------===//
// AllocationInst Class
class AllocationInst : public Instruction {
protected:
AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
- const std::string &Name = "");
+ const std::string &Name = "", Instruction *InsertBefore = 0);
public:
// isArrayAllocation - Return true if there is an allocation size parameter
// getAllocatedType - Return the type that is being allocated by the
// instruction.
- inline const Type *getAllocatedType() const {
- return getType()->getElementType();
- }
+ //
+ const Type *getAllocatedType() const;
virtual Instruction *clone() const = 0;
//===----------------------------------------------------------------------===//
class MallocInst : public AllocationInst {
+ MallocInst(const MallocInst &MI);
public:
- MallocInst(const Type *Ty, Value *ArraySize = 0, const std::string &Name = "")
- : AllocationInst(Ty, ArraySize, Malloc, Name) {}
+ MallocInst(const Type *Ty, Value *ArraySize = 0, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : AllocationInst(Ty, ArraySize, Malloc, Name, InsertBefore) {}
virtual Instruction *clone() const {
- return new MallocInst(getType(), (Value*)Operands[0].get());
+ return new MallocInst(*this);
}
- virtual const char *getOpcodeName() const { return "malloc"; }
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const MallocInst *) { return true; }
static inline bool classof(const Instruction *I) {
//===----------------------------------------------------------------------===//
class AllocaInst : public AllocationInst {
+ AllocaInst(const AllocaInst &);
public:
- AllocaInst(const Type *Ty, Value *ArraySize = 0, const std::string &Name = "")
- : AllocationInst(Ty, ArraySize, Alloca, Name) {}
+ AllocaInst(const Type *Ty, Value *ArraySize = 0, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : AllocationInst(Ty, ArraySize, Alloca, Name, InsertBefore) {}
virtual Instruction *clone() const {
- return new AllocaInst(getType(), (Value*)Operands[0].get());
+ return new AllocaInst(*this);
}
- virtual const char *getOpcodeName() const { return "alloca"; }
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const AllocaInst *) { return true; }
static inline bool classof(const Instruction *I) {
// FreeInst Class
//===----------------------------------------------------------------------===//
-class FreeInst : public Instruction {
-public:
- FreeInst(Value *Ptr) : Instruction(Type::VoidTy, Free, "") {
- assert(Ptr->getType()->isPointerType() && "Can't free nonpointer!");
- Operands.reserve(1);
- Operands.push_back(Use(Ptr, this));
- }
+struct FreeInst : public Instruction {
+ FreeInst(Value *Ptr, Instruction *InsertBefore = 0);
virtual Instruction *clone() const { return new FreeInst(Operands[0]); }
- virtual const char *getOpcodeName() const { return "free"; }
-
virtual bool hasSideEffects() const { return true; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
};
-//===----------------------------------------------------------------------===//
-// MemAccessInst Class
-//===----------------------------------------------------------------------===//
-//
-// MemAccessInst - Common base class of LoadInst, StoreInst, and
-// GetElementPtrInst...
-//
-class MemAccessInst : public Instruction {
-protected:
- inline MemAccessInst(const Type *Ty, unsigned Opcode,
- const std::string &Nam = "")
- : Instruction(Ty, Opcode, Nam) {}
-public:
- // getIndexedType - Returns the type of the element that would be loaded with
- // a load instruction with the specified parameters.
- //
- // A null type is returned if the indices are invalid for the specified
- // pointer type.
- //
- static const Type *getIndexedType(const Type *Ptr,
- const std::vector<Value*> &Indices,
- bool AllowStructLeaf = false);
-
- inline op_iterator idx_begin() {
- return op_begin()+getFirstIndexOperandNumber();
- }
- inline const_op_iterator idx_begin() const {
- return op_begin()+getFirstIndexOperandNumber();
- }
- inline op_iterator idx_end() { return op_end(); }
- inline const_op_iterator idx_end() const { return op_end(); }
-
-
- std::vector<Value*> copyIndices() const {
- return std::vector<Value*>(idx_begin(), idx_end());
- }
-
- Value *getPointerOperand() {
- return getOperand(getFirstIndexOperandNumber()-1);
- }
- const Value *getPointerOperand() const {
- return getOperand(getFirstIndexOperandNumber()-1);
- }
-
- virtual unsigned getFirstIndexOperandNumber() const = 0;
-
- inline bool hasIndices() const {
- return getNumOperands() > getFirstIndexOperandNumber();
- }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const MemAccessInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Load || I->getOpcode() == Store ||
- I->getOpcode() == GetElementPtr;
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(V));
- }
-};
-
-
//===----------------------------------------------------------------------===//
// LoadInst Class
//===----------------------------------------------------------------------===//
-class LoadInst : public MemAccessInst {
- LoadInst(const LoadInst &LI) : MemAccessInst(LI.getType(), Load) {
- Operands.reserve(LI.Operands.size());
- for (unsigned i = 0, E = LI.Operands.size(); i != E; ++i)
- Operands.push_back(Use(LI.Operands[i], this));
+class LoadInst : public Instruction {
+ LoadInst(const LoadInst &LI) : Instruction(LI.getType(), Load) {
+ Operands.reserve(1);
+ Operands.push_back(Use(LI.Operands[0], this));
}
public:
- LoadInst(Value *Ptr, const std::vector<Value*> &Ix, const std::string & = "");
- LoadInst(Value *Ptr, const std::string &Name = "");
+ LoadInst(Value *Ptr, const std::string &Name = "",
+ Instruction *InsertBefore = 0);
virtual Instruction *clone() const { return new LoadInst(*this); }
- virtual const char *getOpcodeName() const { return "load"; }
- virtual unsigned getFirstIndexOperandNumber() const { return 1; }
+ Value *getPointerOperand() { return getOperand(0); }
+ const Value *getPointerOperand() const { return getOperand(0); }
+ static unsigned getPointerOperandIndex() { return 0U; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const LoadInst *) { return true; }
// StoreInst Class
//===----------------------------------------------------------------------===//
-class StoreInst : public MemAccessInst {
- StoreInst(const StoreInst &SI) : MemAccessInst(SI.getType(), Store) {
- Operands.reserve(SI.Operands.size());
- for (unsigned i = 0, E = SI.Operands.size(); i != E; ++i)
- Operands.push_back(Use(SI.Operands[i], this));
+class StoreInst : public Instruction {
+ StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store) {
+ Operands.reserve(2);
+ Operands.push_back(Use(SI.Operands[0], this));
+ Operands.push_back(Use(SI.Operands[1], this));
}
public:
- StoreInst(Value *Val, Value *Ptr, const std::vector<Value*> &Idx);
- StoreInst(Value *Val, Value *Ptr);
+ StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore = 0);
virtual Instruction *clone() const { return new StoreInst(*this); }
- virtual const char *getOpcodeName() const { return "store"; }
-
virtual bool hasSideEffects() const { return true; }
- virtual unsigned getFirstIndexOperandNumber() const { return 2; }
+
+ Value *getPointerOperand() { return getOperand(1); }
+ const Value *getPointerOperand() const { return getOperand(1); }
+ static unsigned getPointerOperandIndex() { return 1U; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const StoreInst *) { return true; }
// GetElementPtrInst Class
//===----------------------------------------------------------------------===//
-class GetElementPtrInst : public MemAccessInst {
+class GetElementPtrInst : public Instruction {
GetElementPtrInst(const GetElementPtrInst &EPI)
- : MemAccessInst(EPI.getType(), GetElementPtr) {
+ : Instruction((Type*)EPI.getType(), GetElementPtr) {
Operands.reserve(EPI.Operands.size());
for (unsigned i = 0, E = EPI.Operands.size(); i != E; ++i)
Operands.push_back(Use(EPI.Operands[i], this));
}
public:
GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx,
- const std::string &Name = "");
+ const std::string &Name = "", Instruction *InsertBefore =0);
virtual Instruction *clone() const { return new GetElementPtrInst(*this); }
- virtual const char *getOpcodeName() const { return "getelementptr"; }
- virtual unsigned getFirstIndexOperandNumber() const { return 1; }
// getType - Overload to return most specific pointer type...
inline const PointerType *getType() const {
- return cast<const PointerType>(Instruction::getType());
+ return (PointerType*)Instruction::getType();
+ }
+
+ /// getIndexedType - Returns the type of the element that would be loaded with
+ /// a load instruction with the specified parameters.
+ ///
+ /// A null type is returned if the indices are invalid for the specified
+ /// pointer type.
+ ///
+ static const Type *getIndexedType(const Type *Ptr,
+ const std::vector<Value*> &Indices,
+ bool AllowStructLeaf = false);
+
+ inline op_iterator idx_begin() {
+ return op_begin()+1;
+ }
+ inline const_op_iterator idx_begin() const {
+ return op_begin()+1;
+ }
+ inline op_iterator idx_end() { return op_end(); }
+ inline const_op_iterator idx_end() const { return op_end(); }
+
+ Value *getPointerOperand() {
+ return getOperand(0);
+ }
+ const Value *getPointerOperand() const {
+ return getOperand(0);
+ }
+ static unsigned getPointerOperandIndex() {
+ return 0U; // get index for modifying correct operand
+ }
+
+ inline unsigned getNumIndices() const { // Note: always non-negative
+ return getNumOperands() - 1;
+ }
+
+ inline bool hasIndices() const {
+ return getNumOperands() > 1;
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
projects / oota-llvm.git / blobdiff