| Dan Gohman | 8a977e2 | 2010-01-26 19:25:59 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -scalar-evolution -analyze \ |
| Chandler Carruth | 4177e6f | 2012-07-02 12:47:22 +0000 | [diff] [blame^] | 2 | ; RUN: | grep "\--> ((-128 \* %a) /u -128)" |
| Dan Gohman | b028593 | 2009-05-08 23:11:16 +0000 | [diff] [blame] | 3 | |
| 4 | ; Don't let ScalarEvolution fold this div away. | ||||
| 5 | |||||
| 6 | define i8 @foo(i8 %a) { | ||||
| 7 | %t0 = shl i8 %a, 7 | ||||
| 8 | %t1 = lshr i8 %t0, 7 | ||||
| 9 | ret i8 %t1 | ||||
| 10 | } | ||||