-// Instantiate Templates - This ugliness is the price we have to pay
-// for having a ValueHolderImpl.h file seperate from ValueHolder.h! :(
-//
-template class ValueHolder<Instruction, BasicBlock, Method>;
+namespace {
+ /// DummyInst - An instance of this class is used to mark the end of the
+ /// instruction list. This is not a real instruction.
+ struct DummyInst : public Instruction {
+ DummyInst() : Instruction(Type::VoidTy, OtherOpsEnd, 0, 0) {
+ // This should not be garbage monitored.
+ LeakDetector::removeGarbageObject(this);
+ }
+
+ virtual Instruction *clone() const {
+ assert(0 && "Cannot clone EOL");abort();
+ return 0;
+ }
+ virtual const char *getOpcodeName() const { return "*end-of-list-inst*"; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast...
+ static inline bool classof(const DummyInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == OtherOpsEnd;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+ };
+}