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IntrusiveRefCntPtr: Simplify operator= as suggested by Richard Smith.
This way the constructors do all the hard work. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157773 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -140,32 +140,8 @@ namespace llvm {
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retain();
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}
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IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr& S) {
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replace(S.getPtr());
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return *this;
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}
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#if LLVM_USE_RVALUE_REFERENCES
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IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr&& S) {
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this_type(std::move(S)).swap(*this);
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return *this;
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}
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template <class X>
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IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr<X>&& S) {
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this_type(std::move(S)).swap(*this);
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return *this;
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}
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#endif
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template <class X>
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IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr<X>& S) {
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replace(S.getPtr());
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return *this;
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}
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IntrusiveRefCntPtr& operator=(T * S) {
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replace(S);
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IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr S) {
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swap(S);
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return *this;
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}
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@ -200,10 +176,6 @@ namespace llvm {
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private:
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void retain() { if (Obj) IntrusiveRefCntPtrInfo<T>::retain(Obj); }
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void release() { if (Obj) IntrusiveRefCntPtrInfo<T>::release(Obj); }
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void replace(T* S) {
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this_type(S).swap(*this);
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}
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};
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template<class T, class U>
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