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 | |
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 | |