improvements for IntrusiveRefCntPtr, patch by Mikhail Glushenkov

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49538 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-04-11 16:42:06 +00:00
parent d918b7e915
commit 30ac7df857

View File

@ -121,6 +121,11 @@ namespace llvm {
retain();
}
IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr& S) {
replace(S.getPtr());
return *this;
}
template <class X>
IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr<X>& S) {
replace(S.getPtr());
@ -140,7 +145,7 @@ namespace llvm {
T* getPtr() const { return Obj; }
typedef T * IntrusiveRefCntPtr::*unspecified_bool_type;
typedef T* (IntrusiveRefCntPtr::*unspecified_bool_type) () const;
operator unspecified_bool_type() const {
return Obj == 0 ? 0 : &IntrusiveRefCntPtr::getPtr;
}
@ -156,7 +161,7 @@ namespace llvm {
void release() { if (Obj) Obj->Release(); }
void replace(T* S) {
this_type(S).swap(this);
this_type(S).swap(*this);
}
};