| Dan Gohman | fea1dd0 | 2009-08-25 15:38:29 +0000 | [diff] [blame] | 1 | // RUN: %llvmgcc -S %s -o - | llvm-as -o /dev/null |
| Tanya Lattner | e9af5d1 | 2004-11-06 22:41:00 +0000 | [diff] [blame] | 2 | |
| Chris Lattner | 20f15aa | 2002-08-02 16:26:08 +0000 | [diff] [blame] | 3 | /* In this testcase, the return value of foo() is being promotedto a register |
| 4 | * which breaks stuff |
| 5 | */ |
| 6 | #include <stdio.h> |
| 7 | |
| 8 | union X { char X; void *B; int a, b, c, d;}; |
| 9 | |
| 10 | union X foo() { |
| Jeff Cohen | b02fbfc | 2005-04-23 21:26:11 +0000 | [diff] [blame] | 11 | union X Global; |
| 12 | Global.B = (void*)123; /* Interesting part */ |
| 13 | return Global; |
| Chris Lattner | 20f15aa | 2002-08-02 16:26:08 +0000 | [diff] [blame] | 14 | } |
| 15 | |
| Matthijs Kooijman | b7e103b | 2008-06-10 14:37:44 +0000 | [diff] [blame] | 16 | int main() { |
| Jeff Cohen | b02fbfc | 2005-04-23 21:26:11 +0000 | [diff] [blame] | 17 | union X test = foo(); |
| 18 | printf("0x%p", test.B); |
| Chris Lattner | 20f15aa | 2002-08-02 16:26:08 +0000 | [diff] [blame] | 19 | } |