1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -O3 | FileCheck -check-prefix CHECK-LP64 %s
2 // RUN: %clang_cc1 %s -triple=i386-apple-darwin10 -emit-llvm -o - -O3 | FileCheck -check-prefix CHECK-LP32 %s
3
4 // CHECK-LP64: %union.Test1 = type { i32, [4 x i8] }
5 union Test1 {
6 int a;
7 int b: 39;
8 } t1;
9
10 // CHECK-LP64: %union.Test2 = type { i8 }
11 union Test2 {
12 int : 6;
13 } t2;
14
15 // CHECK-LP64: %union.Test3 = type { i16 }
16 union Test3 {
17 int : 9;
18 } t3;
19
20
21 #define CHECK(x) if (!(x)) return __LINE__
22
f()23 int f() {
24 struct {
25 int a;
26
27 unsigned long long b : 65;
28
29 int c;
30 } c;
31
32 c.a = 0;
33 c.b = (unsigned long long)-1;
34 c.c = 0;
35
36 CHECK(c.a == 0);
37 CHECK(c.b == (unsigned long long)-1);
38 CHECK(c.c == 0);
39
40 // CHECK-LP64: ret i32 0
41 // CHECK-LP32: ret i32 0
42 return 0;
43 }
44