Load and Store now no longer derive from MemAccessInst. Indexing a load or

store is not possible anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3482 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-08-22 22:47:47 +00:00
parent f9355f636b
commit f150b9d984
2 changed files with 19 additions and 45 deletions

View File

@ -131,8 +131,7 @@ struct FreeInst : public Instruction {
// MemAccessInst Class // MemAccessInst Class
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// //
// MemAccessInst - Common base class of LoadInst, StoreInst, and // MemAccessInst - Common base class of GetElementPtrInst...
// GetElementPtrInst...
// //
class MemAccessInst : public Instruction { class MemAccessInst : public Instruction {
protected: protected:
@ -184,8 +183,7 @@ public:
// Methods for support type inquiry through isa, cast, and dyn_cast: // Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const MemAccessInst *) { return true; } static inline bool classof(const MemAccessInst *) { return true; }
static inline bool classof(const Instruction *I) { static inline bool classof(const Instruction *I) {
return I->getOpcode() == Load || I->getOpcode() == Store || return I->getOpcode() == GetElementPtr;
I->getOpcode() == GetElementPtr;
} }
static inline bool classof(const Value *V) { static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V)); return isa<Instruction>(V) && classof(cast<Instruction>(V));
@ -197,19 +195,18 @@ public:
// LoadInst Class // LoadInst Class
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
class LoadInst : public MemAccessInst { class LoadInst : public Instruction {
LoadInst(const LoadInst &LI) : MemAccessInst(LI.getType(), Load) { LoadInst(const LoadInst &LI) : Instruction(LI.getType(), Load) {
Operands.reserve(LI.Operands.size()); Operands.reserve(1);
for (unsigned i = 0, E = LI.Operands.size(); i != E; ++i) Operands.push_back(Use(LI.Operands[0], this));
Operands.push_back(Use(LI.Operands[i], this));
} }
public: 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 = "");
virtual Instruction *clone() const { return new LoadInst(*this); } virtual Instruction *clone() const { return new LoadInst(*this); }
virtual unsigned getFirstIndexOperandNumber() const { return 1; } Value *getPointerOperand() { return getOperand(0); }
const Value *getPointerOperand() const { return getOperand(0); }
// Methods for support type inquiry through isa, cast, and dyn_cast: // Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const LoadInst *) { return true; } static inline bool classof(const LoadInst *) { return true; }
@ -226,19 +223,20 @@ public:
// StoreInst Class // StoreInst Class
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
class StoreInst : public MemAccessInst { class StoreInst : public Instruction {
StoreInst(const StoreInst &SI) : MemAccessInst(SI.getType(), Store) { StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store) {
Operands.reserve(SI.Operands.size()); Operands.reserve(2);
for (unsigned i = 0, E = SI.Operands.size(); i != E; ++i) Operands.push_back(Use(SI.Operands[0], this));
Operands.push_back(Use(SI.Operands[i], this)); Operands.push_back(Use(SI.Operands[1], this));
} }
public: public:
StoreInst(Value *Val, Value *Ptr, const std::vector<Value*> &Idx);
StoreInst(Value *Val, Value *Ptr); StoreInst(Value *Val, Value *Ptr);
virtual Instruction *clone() const { return new StoreInst(*this); } virtual Instruction *clone() const { return new StoreInst(*this); }
virtual bool hasSideEffects() const { return true; } virtual bool hasSideEffects() const { return true; }
virtual unsigned getFirstIndexOperandNumber() const { return 2; }
Value *getPointerOperand() { return getOperand(1); }
const Value *getPointerOperand() const { return getOperand(1); }
// Methods for support type inquiry through isa, cast, and dyn_cast: // Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const StoreInst *) { return true; } static inline bool classof(const StoreInst *) { return true; }

View File

@ -75,21 +75,9 @@ const Type* MemAccessInst::getIndexedType(const Type *Ptr,
// LoadInst Implementation // LoadInst Implementation
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
LoadInst::LoadInst(Value *Ptr, const std::vector<Value*> &Idx,
const std::string &Name)
: MemAccessInst(checkType(getIndexedType(Ptr->getType(), Idx)), Load, Name) {
assert(getIndexedType(Ptr->getType(), Idx) && "Load operands invalid!");
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));
}
LoadInst::LoadInst(Value *Ptr, const std::string &Name) LoadInst::LoadInst(Value *Ptr, const std::string &Name)
: MemAccessInst(cast<PointerType>(Ptr->getType())->getElementType(), : Instruction(cast<PointerType>(Ptr->getType())->getElementType(),
Load, Name) { Load, Name) {
Operands.reserve(1); Operands.reserve(1);
Operands.push_back(Use(Ptr, this)); Operands.push_back(Use(Ptr, this));
} }
@ -99,20 +87,8 @@ LoadInst::LoadInst(Value *Ptr, const std::string &Name)
// StoreInst Implementation // StoreInst Implementation
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
StoreInst::StoreInst(Value *Val, Value *Ptr, const std::vector<Value*> &Idx)
: MemAccessInst(Type::VoidTy, Store, "") {
assert(getIndexedType(Ptr->getType(), Idx) && "Store operands invalid!");
Operands.reserve(2+Idx.size());
Operands.push_back(Use(Val, this));
Operands.push_back(Use(Ptr, this));
for (unsigned i = 0, E = Idx.size(); i != E; ++i)
Operands.push_back(Use(Idx[i], this));
}
StoreInst::StoreInst(Value *Val, Value *Ptr) StoreInst::StoreInst(Value *Val, Value *Ptr)
: MemAccessInst(Type::VoidTy, Store, "") { : Instruction(Type::VoidTy, Store, "") {
Operands.reserve(2); Operands.reserve(2);
Operands.push_back(Use(Val, this)); Operands.push_back(Use(Val, this));