| // RUN: %clang_cc1 -emit-llvm %s -o - -triple i686-pc-linux-gnu | FileCheck %s |
| // RUN: %clang_cc1 -x c++ %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefixes=CHECK-CXX |
| |
| // Make sure we generate something sane instead of a ptrtoint |
| // CHECK: @r, [4 x i8] zeroinitializer |
| union x {long long b;union x* a;} r = {.a = &r}; |
| |
| |
| // CHECK: global { [3 x i8], [5 x i8] } zeroinitializer |
| union z { |
| char a[3]; |
| long long b; |
| }; |
| union z y = {}; |
| |
| // CHECK: @foo = {{.*}}global %union.Foo undef, align 1 |
| // CHECK-CXX: @foo = {{.*}}global %union.Foo undef, align 1 |
| union Foo { |
| struct Empty {} val; |
| }; |
| union Foo foo = {}; |
