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improvements for IntrusiveRefCntPtr, patch by Mikhail Glushenkov 

llvm-svn: 49538
This commit is contained in:
Chris Lattner 2008-04-11 16:42:06 +00:00
parent 9b7206eb4f
commit 0b596c3f5a
1 changed files with 7 additions and 2 deletions
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9
llvm/include/llvm/ADT/IntrusiveRefCntPtr.h
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@ -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);
}
};