| Richard Smith | 9ca5c42 | 2011-10-13 22:29:44 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - | FileCheck %s |
| Richard Smith | 4037235 | 2011-09-18 00:06:34 +0000 | [diff] [blame] | 2 | |
| 3 | // PR10531. |
| 4 | |
| 5 | static union { |
| 6 | int a = 42; |
| 7 | char *b; |
| 8 | }; |
| 9 | |
| 10 | int f() { return a; } |
| 11 | |
| 12 | // CHECK: define internal void @__cxx_global_var_init |
| 13 | // CHECK-NOT: } |
| 14 | // CHECK: call {{.*}}@"[[CONSTRUCT_GLOBAL:.*]]C1Ev" |
| 15 | |
| 16 | |
| 17 | int g() { |
| 18 | union { |
| 19 | int a; |
| 20 | int b = 81; |
| 21 | }; |
| 22 | // CHECK: define {{.*}}_Z1gv |
| 23 | // CHECK-NOT: } |
| 24 | // CHECK: call {{.*}}@"[[CONSTRUCT_LOCAL:.*]]C1Ev" |
| 25 | return b; |
| 26 | } |
| 27 | |
| 28 | |
| 29 | // CHECK: define {{.*}}@"[[CONSTRUCT_LOCAL]]C2Ev" |
| 30 | // CHECK-NOT: } |
| 31 | // CHECK: store i32 81 |
| 32 | |
| 33 | // CHECK: define {{.*}}@"[[CONSTRUCT_GLOBAL]]C2Ev" |
| 34 | // CHECK-NOT: } |
| 35 | // CHECK: store i32 42 |