derek.holloway
7502bf64a4
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88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCFG -triple x86_64-apple-darwin12 -std=c++20 %s 2>&1 | FileCheck %s
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struct A {
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static A a;
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char b;
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friend bool operator==(A, A) = default;
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};
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bool _ = A() == A::a;
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// FIXME: steps 1 and 5 show anonymous function parameters are
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// not handled correctly.
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// CHECK-LABEL: bool operator==(A, A) noexcept = default
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// CHECK-NEXT: [B2 (ENTRY)]
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// CHECK-NEXT: Succs (1): B1
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// CHECK: [B1]
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// CHECK-NEXT: 1: function-parameter-0-0
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// CHECK-NEXT: 2: [B1.1].b
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// CHECK-NEXT: 3: [B1.2] (ImplicitCastExpr, LValueToRValue, char)
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// CHECK-NEXT: 4: [B1.3] (ImplicitCastExpr, IntegralCast, int)
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// CHECK-NEXT: 5: function-parameter-0-1
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// CHECK-NEXT: 6: [B1.5].b
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// CHECK-NEXT: 7: [B1.6] (ImplicitCastExpr, LValueToRValue, char)
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// CHECK-NEXT: 8: [B1.7] (ImplicitCastExpr, IntegralCast, int)
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// CHECK-NEXT: 9: [B1.4] == [B1.8]
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// CHECK-NEXT: 10: return [B1.9];
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// CHECK-NEXT: Preds (1): B2
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// CHECK-NEXT: Succs (1): B0
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// CHECK: [B0 (EXIT)]
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// CHECK-NEXT: Preds (1): B1
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namespace std {
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template <class> struct iterator_traits;
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template <class, class> struct pair;
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template <class _Tp> struct iterator_traits<_Tp *> {
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typedef _Tp &reference;
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};
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template <long, class> struct tuple_element;
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template <class> struct tuple_size;
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template <class _T1, class _T2> struct tuple_size<pair<_T1, _T2>> {
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static const int value = 2;
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};
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template <class _T1, class _T2> struct tuple_element<0, pair<_T1, _T2>> {
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using type = _T1;
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};
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template <class _T1, class _T2> struct tuple_element<1, pair<_T1, _T2>> {
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using type = _T2;
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};
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template <long _Ip, class _T1, class _T2>
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tuple_element<_Ip, pair<_T1, _T2>>::type get(pair<_T1, _T2> &);
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struct __wrap_iter {
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iterator_traits<pair<int, int> *>::reference operator*();
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void operator++();
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};
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bool operator!=(__wrap_iter, __wrap_iter);
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struct vector {
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__wrap_iter begin();
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__wrap_iter end();
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};
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} // namespace std
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int main() {
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std::vector v;
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for (auto &[a, b] : v)
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;
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}
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// FIXME: On steps 8 and 14, a decomposition is referred by name, which they never have.
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// CHECK-LABEL: int main()
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// CHECK: [B3]
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// CHECK-NEXT: 1: operator*
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// CHECK-NEXT: 2: [B3.1] (ImplicitCastExpr, FunctionToPointerDecay, iterator_traits<pair<int, int> *>::reference (*)(void))
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// CHECK-NEXT: 3: __begin1
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// CHECK-NEXT: 4: * [B3.3] (OperatorCall)
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// CHECK-NEXT: 5: auto &;
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// CHECK-NEXT: 6: get<0UL>
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// CHECK-NEXT: 7: [B3.6] (ImplicitCastExpr, FunctionToPointerDecay, tuple_element<0L, pair<int, int> >::type (*)(pair<int, int> &))
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// CHECK-NEXT: 8: decomposition-a-b
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// CHECK-NEXT: 9: [B3.7]([B3.8])
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// CHECK-NEXT: 10: std::tuple_element<0UL, std::pair<int, int>>::type a = get<0UL>(decomposition-a-b);
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// CHECK-NEXT: 11: get<1UL>
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// CHECK-NEXT: 12: [B3.11] (ImplicitCastExpr, FunctionToPointerDecay, tuple_element<1L, pair<int, int> >::type (*)(pair<int, int> &))
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// CHECK-NEXT: 13: decomposition-a-b
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// CHECK-NEXT: 14: [B3.12]([B3.13])
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// CHECK-NEXT: 15: std::tuple_element<1UL, std::pair<int, int>>::type b = get<1UL>(decomposition-a-b);
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// CHECK-NEXT: Preds (1): B1
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// CHECK-NEXT: Succs (1): B2
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