test/CodeGenCXX/cxx11-unrestricted-union.cpp

*c9bd88e6SHans Wennborg// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -emit-llvm %s -o - | FileCheck %s
522fa537SRichard Smith
522fa537SRichard Smithstruct A {
522fa537SRichard Smith  A(); A(const A&); A(A&&); A &operator=(const A&); A &operator=(A&&); ~A();
522fa537SRichard Smith};
522fa537SRichard Smithstruct B {
522fa537SRichard Smith  B(); B(const B&); B(B&&); B &operator=(const B&); B &operator=(B&&); ~B();
522fa537SRichard Smith};
522fa537SRichard Smith
522fa537SRichard Smithunion U {
522fa537SRichard Smith  U();
522fa537SRichard Smith  U(const U &);
522fa537SRichard Smith  U(U &&);
522fa537SRichard Smith  U &operator=(const U&);
522fa537SRichard Smith  U &operator=(U&&);
522fa537SRichard Smith  ~U();
522fa537SRichard Smith
522fa537SRichard Smith  A a;
522fa537SRichard Smith  int n;
522fa537SRichard Smith};
522fa537SRichard Smith
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard SmithU::U() {}
522fa537SRichard SmithU::U(const U&) {}
522fa537SRichard SmithU::U(U&&) {}
522fa537SRichard SmithU &U::operator=(const U&) { return *this; }
522fa537SRichard SmithU &U::operator=(U &&) { return *this; }
522fa537SRichard SmithU::~U() {}
522fa537SRichard Smith
522fa537SRichard Smithstruct S {
522fa537SRichard Smith  S();
522fa537SRichard Smith  S(const S &);
522fa537SRichard Smith  S(S &&);
522fa537SRichard Smith  S &operator=(const S&);
522fa537SRichard Smith  S &operator=(S&&);
522fa537SRichard Smith  ~S();
522fa537SRichard Smith
522fa537SRichard Smith  union {
522fa537SRichard Smith    A a;
522fa537SRichard Smith    int n;
522fa537SRichard Smith  };
522fa537SRichard Smith  B b;
522fa537SRichard Smith  int m;
522fa537SRichard Smith};
522fa537SRichard Smith
522fa537SRichard Smith// CHECK: _ZN1SC2Ev
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith// CHECK: _ZN1BC1Ev
522fa537SRichard SmithS::S() {}
522fa537SRichard Smith
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith
522fa537SRichard Smith// CHECK: _ZN1SC2ERKS_
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith// CHECK: _ZN1BC1Ev
522fa537SRichard SmithS::S(const S&) {}
522fa537SRichard Smith
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith
522fa537SRichard Smith// CHECK: _ZN1SC2EOS_
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith// CHECK: _ZN1BC1Ev
522fa537SRichard SmithS::S(S&&) {}
522fa537SRichard Smith
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith// CHECK-NOT: _ZN1B
522fa537SRichard SmithS &S::operator=(const S&) { return *this; }
522fa537SRichard Smith
522fa537SRichard SmithS &S::operator=(S &&) { return *this; }
522fa537SRichard Smith
522fa537SRichard Smith// CHECK: _ZN1SD2Ev
522fa537SRichard Smith// CHECK-NOT: _ZN1A
522fa537SRichard Smith// CHECK: _ZN1BD1Ev
522fa537SRichard SmithS::~S() {}
522fa537SRichard Smith
522fa537SRichard Smith// CHECK-NOT: _ZN1A