| // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i686-linux-gnu | FileCheck %s |
| |
| struct A { |
| A(const A&); |
| A &operator=(const A&); |
| }; |
| |
| struct B { |
| A a; |
| B(B&&) = default; |
| B &operator=(B&&) = default; |
| }; |
| |
| // CHECK: define {{.*}} @_Z2f1 |
| void f1(B &x) { |
| // CHECK-NOT: memcpy |
| // CHECK: call {{.*}} @_ZN1BC1EOS_( |
| B b(static_cast<B&&>(x)); |
| } |
| |
| // CHECK: define {{.*}} @_Z2f2 |
| void f2(B &x, B &y) { |
| // CHECK-NOT: memcpy |
| // CHECK: call {{.*}} @_ZN1BaSEOS_( |
| x = static_cast<B&&>(y); |
| } |
| |
| // CHECK: define {{.*}} @_ZN1BaSEOS_( |
| // CHECK: call {{.*}} @_ZN1AaSERKS_( |
| |
| template<int> struct C { C() = default; }; |
| struct D { |
| C<0> c; |
| D() { } |
| }; |
| template struct C<0>; // was asserting |
| void f3() { |
| C<0> a; |
| D b; |
| } |
| // Trivial default ctor, might or might not be defined, but we must not expect |
| // someone else to define it. |
| // CHECK-NOT: declare {{.*}} @_ZN1CILi0EEC1Ev |
| // CHECK: define {{.*}} @_ZN1DC1Ev |
| |
| // CHECK: define {{.*}} @_ZN1BC2EOS_( |
| // CHECK: call {{.*}} @_ZN1AC1ERKS_( |
