| John McCall | 0d46169 | 2015-08-19 22:42:36 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm-only -triple armv7-apple-darwin -fdump-record-layouts %s 2>/dev/null \ |
| 2 | // RUN: | FileCheck %s |
| 3 | |
| 4 | // rdar://22275433 |
| 5 | |
| 6 | #pragma ms_struct on |
| 7 | |
| 8 | union A { |
| 9 | unsigned long long x : 32; |
| 10 | unsigned long long y : 32; |
| 11 | } a; |
| 12 | // CHECK:*** Dumping AST Record Layout |
| 13 | // CHECK-NEXT: 0 | union A |
| 14 | // CHECK-NEXT: 0:0-31 | unsigned long long x |
| 15 | // CHECK-NEXT: 0:0-31 | unsigned long long y |
| 16 | // CHECK-NEXT: | [sizeof=8, align=1] |
| 17 | |
| 18 | union B { |
| 19 | __attribute__((aligned(4))) |
| 20 | unsigned long long x : 32; |
| 21 | unsigned long long y : 32; |
| 22 | } b; |
| 23 | // CHECK:*** Dumping AST Record Layout |
| 24 | // CHECK-NEXT: 0 | union B |
| 25 | // CHECK-NEXT: 0:0-31 | unsigned long long x |
| 26 | // CHECK-NEXT: 0:0-31 | unsigned long long y |
| 27 | // CHECK-NEXT: | [sizeof=8, align=1] |
| 28 | |
| 29 | union C { |
| 30 | unsigned long long : 0; |
| 31 | unsigned short y : 8; |
| 32 | } c; |
| 33 | // CHECK:*** Dumping AST Record Layout |
| 34 | // CHECK-NEXT: 0 | union C |
| 35 | // CHECK-NEXT: 0:- | unsigned long long |
| 36 | // CHECK-NEXT: 0:0-7 | unsigned short y |
| 37 | // CHECK-NEXT: | [sizeof=2, align=1] |
| 38 | |
| 39 | union D { |
| 40 | unsigned long long : 0; |
| 41 | unsigned short : 0; |
| 42 | } d; |
| 43 | // CHECK:*** Dumping AST Record Layout |
| 44 | // CHECK-NEXT: 0 | union D |
| 45 | // CHECK-NEXT: 0:- | unsigned long long |
| 46 | // CHECK-NEXT: 0:- | unsigned short |
| 47 | // CHECK-NEXT: | [sizeof=1, align=1] |
| 48 | |