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IntrusiveRefCntPtr: Simplify operator= as suggested by Richard Smith.

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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
This commit is contained in:
Benjamin Kramer 2012-05-31 22:25:25 +00:00
parent a835f00702
commit 91a8ad71aa
1 changed files with 2 additions and 30 deletions
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32
include/llvm/ADT/IntrusiveRefCntPtr.h
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@ -140,32 +140,8 @@ namespace llvm {
retain();
}
IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr& S) {
replace(S.getPtr());
return *this;
}
#if LLVM_USE_RVALUE_REFERENCES
IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr&& S) {
this_type(std::move(S)).swap(*this);
return *this;
}
template <class X>
IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr<X>&& S) {
this_type(std::move(S)).swap(*this);
return *this;
}
#endif
template <class X>
IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr<X>& S) {
replace(S.getPtr());
return *this;
}
IntrusiveRefCntPtr& operator=(T * S) {
replace(S);
IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr S) {
swap(S);
return *this;
}
@ -200,10 +176,6 @@ namespace llvm {
private:
void retain() { if (Obj) IntrusiveRefCntPtrInfo<T>::retain(Obj); }
void release() { if (Obj) IntrusiveRefCntPtrInfo<T>::release(Obj); }
void replace(T* S) {
this_type(S).swap(*this);
}
};
template<class T, class U>