| 1 | // RUN: %clang_cc1 -triple i386-apple-darwin10 -mms-bitfields -emit-llvm %s -o - | FileCheck %s |
| 2 | |
| 3 | struct s1 { |
| 4 | int f32; |
| 5 | long long f64; |
| 6 | } s1; |
| 7 | |
| 8 | // CHECK: %struct.s1 = type { i32, [4 x i8], i64 } |
| 9 | |
| 10 | struct s2 { |
| 11 | int f32; |
| 12 | long long f64[4]; |
| 13 | } s2; |
| 14 | |
| 15 | // CHECK: %struct.s2 = type { i32, [4 x i8], [4 x i64] } |
| 16 | |
| 17 | struct s3 { |
| 18 | int f32; |
| 19 | struct s1 s; |
| 20 | } s3; |
| 21 | |
| 22 | // CHECK: %struct.s3 = type { i32, [4 x i8], %struct.s1 } |
| 23 | |
| 24 | // PR32482: |
| 25 | |
| 26 | #pragma pack (push,1) |
| 27 | |
| 28 | typedef unsigned int UINT32; |
| 29 | |
| 30 | struct Inner { |
| 31 | UINT32 A : 1; |
| 32 | UINT32 B : 1; |
| 33 | UINT32 C : 1; |
| 34 | UINT32 D : 30; |
| 35 | } Inner; |
| 36 | |
| 37 | #pragma pack (pop) |
| 38 | |
| 39 | // CHECK: %struct.Inner = type { i32, i32 } |
| 40 | |
| 41 | // CHECK: %struct.A = type { i32, i32, i32 } |
| 42 | |
| 43 | #pragma pack(push, 1) |
| 44 | |
| 45 | union HEADER { |
| 46 | struct A { |
| 47 | int : 3; // Bits 2:0 |
| 48 | int a : 9; // Bits 11:3 |
| 49 | int : 12; // Bits 23:12 |
| 50 | int b : 17; // Bits 40:24 |
| 51 | int : 7; // Bits 47:41 |
| 52 | int c : 4; // Bits 51:48 |
| 53 | int : 4; // Bits 55:52 |
| 54 | int d : 3; // Bits 58:56 |
| 55 | int : 5; // Bits 63:59 |
| 56 | } Bits; |
| 57 | } HEADER; |
| 58 | |
| 59 | #pragma pack(pop) |
| 60 | |
| 61 | struct Inner variable = { 1,0,1, 21 }; |
| 62 | union HEADER hdr = {{1,2,3,4}}; |
| 63 | |
| 64 | // CHECK: @variable = global { i8, [3 x i8], i8, i8, i8, i8 } { i8 5, [3 x i8] undef, i8 21, i8 0, i8 0, i8 0 }, align 1 |
| 65 | // CHECK: @hdr = global { { i8, i8, [2 x i8], i8, i8, i8, i8, i8, [3 x i8] } } { { i8, i8, [2 x i8], i8, i8, i8, i8, i8, [3 x i8] } { i8 8, i8 0, [2 x i8] undef, i8 2, i8 0, i8 0, i8 3, i8 4, [3 x i8] undef } }, align 1 |
| 66 | |