| 1 | // RUN: %clang_cc1 %s -emit-llvm -o - |
|---|---|
| 2 | |
| 3 | // Test anonymous union with members of the same size. |
| 4 | int test1(float F) { |
| 5 | union { |
| 6 | float G; |
| 7 | int i; |
| 8 | }; |
| 9 | G = F; |
| 10 | return i; |
| 11 | } |
| 12 | |
| 13 | // test anonymous union with members of differing size. |
| 14 | int test2(short F) { |
| 15 | volatile union { |
| 16 | short G; |
| 17 | int i; |
| 18 | }; |
| 19 | G = F; |
| 20 | return i; |
| 21 | } |
| 22 | |
| 23 | // Make sure that normal unions work. duh :) |
| 24 | volatile union U_t { |
| 25 | short S; |
| 26 | int i; |
| 27 | } U; |
| 28 | |
| 29 | int test3(short s) { |
| 30 | U.S = s; |
| 31 | return U.i; |
| 32 | } |
| 33 |