| Chris Lattner | 933f678 | 2010-04-12 21:10:05 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm %s -o - -triple i686-pc-linux-gnu | FileCheck %s | 
| Eli Friedman | 62561fe | 2009-08-01 23:11:24 +0000 | [diff] [blame] | 2 |  | 
|  | 3 | // Make sure we generate something sane instead of a ptrtoint | 
| Chris Lattner | a5f58b0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 4 | // CHECK: bitcast ({ %union.x*, [4 x i8] }* @r to %union.x*), [4 x i8] undef | 
| Eli Friedman | 62561fe | 2009-08-01 23:11:24 +0000 | [diff] [blame] | 5 | union x {long long b;union x* a;} r = {.a = &r}; | 
| Chris Lattner | 933f678 | 2010-04-12 21:10:05 +0000 | [diff] [blame] | 6 |  | 
|  | 7 |  | 
| Chris Lattner | a5f58b0 | 2011-07-09 17:41:47 +0000 | [diff] [blame] | 8 | // CHECK: global { [3 x i8], [5 x i8] } { [3 x i8] zeroinitializer, [5 x i8] undef } | 
| Nuno Lopes | 5863c99 | 2010-04-16 20:56:35 +0000 | [diff] [blame] | 9 | union z { | 
|  | 10 | char a[3]; | 
|  | 11 | long long b; | 
|  | 12 | }; | 
|  | 13 | union z y = {}; |