| Chris Lattner | 9e762d0 | 2003-06-28 23:52:34 +0000 | [diff] [blame] | 1 | ; Test that ds-aa is returning must-alias information when it can. |
| 2 | |||||
| 3 | ; RUN: as < %s | opt -no-aa -ds-aa -load-vn -gcse | dis | not grep load | ||||
| 4 | |||||
| 5 | %X = global int 20 | ||||
| 6 | |||||
| 7 | implementation | ||||
| 8 | |||||
| 9 | int* %id(int* %P) { ret int* %P } | ||||
| 10 | |||||
| 11 | int %main() { | ||||
| 12 | store int 0, int* %X | ||||
| 13 | %XP = call int* %id(int* %X) | ||||
| 14 | %A = load int* %XP ; Should eliminate load! | ||||
| 15 | ret int %A | ||||
| 16 | } | ||||
| 17 | |||||