1*67e74705SXin Li // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -emit-llvm -o - %s | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li union PR23373 {
4*67e74705SXin Li PR23373(PR23373&) = default;
5*67e74705SXin Li PR23373 &operator=(PR23373&) = default;
6*67e74705SXin Li int n;
7*67e74705SXin Li float f;
8*67e74705SXin Li };
9*67e74705SXin Li extern PR23373 pr23373_a;
10*67e74705SXin Li
11*67e74705SXin Li PR23373 pr23373_b(pr23373_a);
12*67e74705SXin Li // CHECK-LABEL: define {{.*}} @__cxx_global_var_init(
13*67e74705SXin Li // CHECK: call void @llvm.memcpy.p0i8.p0i8.{{i32|i64}}({{.*}} @pr23373_b{{.*}}, {{.*}} @pr23373_a{{.*}}, [[W:i32|i64]] 4, i32 4, i1 false)
14*67e74705SXin Li
pr23373_f()15*67e74705SXin Li PR23373 pr23373_f() { return pr23373_a; }
16*67e74705SXin Li // CHECK-LABEL: define {{.*}} @_Z9pr23373_fv(
17*67e74705SXin Li // CHECK: call void @llvm.memcpy.p0i8.p0i8.[[W]]({{.*}}, [[W]] 4, i32 4, i1 false)
18*67e74705SXin Li
pr23373_g(PR23373 & a,PR23373 & b)19*67e74705SXin Li void pr23373_g(PR23373 &a, PR23373 &b) { a = b; }
20*67e74705SXin Li // CHECK-LABEL: define {{.*}} @_Z9pr23373_g
21*67e74705SXin Li // CHECK: call void @llvm.memcpy.p0i8.p0i8.[[W]]({{.*}}, [[W]] 4, i32 4, i1 false)
22*67e74705SXin Li
23*67e74705SXin Li struct A { virtual void a(); };
x(A & y)24*67e74705SXin Li A x(A& y) { return y; }
25*67e74705SXin Li
26*67e74705SXin Li // CHECK: define linkonce_odr {{.*}} @_ZN1AC1ERKS_(%struct.A* {{.*}}%this, %struct.A* dereferenceable({{[0-9]+}})) unnamed_addr
27*67e74705SXin Li // CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @_ZTV1A, i32 0, i32 2) to i32 (...)**)
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