| Douglas Gregor | fe60f84 | 2010-05-03 15:18:25 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s |
| Anders Carlsson | c186b8f | 2009-09-02 21:14:47 +0000 | [diff] [blame] | 2 | |
| 3 | struct A { |
| 4 | union { |
| 5 | int a; |
| 6 | void* b; |
| 7 | }; |
| 8 | |
| 9 | A() : a(0) { } |
| 10 | }; |
| 11 | |
| 12 | A a; |
| Douglas Gregor | fe60f84 | 2010-05-03 15:18:25 +0000 | [diff] [blame] | 13 | |
| 14 | namespace PR7021 { |
| 15 | struct X |
| 16 | { |
| 17 | union { long l; }; |
| 18 | }; |
| 19 | |
| 20 | // CHECK: define void @_ZN6PR70211fENS_1XES0_ |
| 21 | void f(X x, X z) { |
| 22 | X x1; |
| 23 | |
| 24 | // CHECK: store i64 1, i64 |
| 25 | x1.l = 1; |
| 26 | |
| 27 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| 28 | X x2(x1); |
| 29 | |
| 30 | X x3; |
| 31 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| 32 | x3 = x1; |
| 33 | |
| 34 | // CHECK: ret void |
| 35 | } |
| 36 | } |