| // RUN: %clang_cc1 -emit-llvm-only -triple %itanium_abi_triple -fdump-record-layouts %s 2>/dev/null \ |
| // RUN: | FileCheck %s |
| |
| // On z/OS, a bit-field has single byte alignment. Add aligned(4) on z/OS so the union has |
| // the same size & alignment as expected. |
| #ifdef __MVS__ |
| #define ALIGN4 __attribute__((aligned(4))) |
| #else |
| #define ALIGN4 |
| #endif |
| |
| union A { |
| int f1 : 3 ALIGN4; |
| A(); |
| }; |
| |
| A::A() {} |
| |
| union B { |
| char f1 : 35 ALIGN4; |
| B(); |
| }; |
| |
| B::B() {} |
| |
| // CHECK:*** Dumping AST Record Layout |
| // CHECK-NEXT: 0 | union A |
| // CHECK-NEXT: 0:0-2 | int f1 |
| // CHECK-NEXT: | [sizeof=4, dsize=1, align=4{{(, preferredalign=4,)?}} |
| // CHECK-NEXT: | nvsize=1, nvalign=4{{(, preferrednvalign=4)?}}] |
| |
| // CHECK:*** Dumping AST Record Layout |
| // CHECK-NEXT: 0 | union B |
| // CHECK-NEXT: 0:0-34 | char f1 |
| // CHECK-NEXT: | [sizeof=8, dsize=5, align=4{{(, preferredalign=4,)?}} |
| // CHECK-NEXT: | nvsize=5, nvalign=4{{(, preferrednvalign=4)?}}] |
