| Dan Gohman | 2c73d5f | 2009-04-25 17:05:40 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -indvars |
| 2 | ; PR4054 |
| 3 | |
| 4 | ; Don't treat an and with 0 as a mask (trunc+zext). |
| 5 | |
| 6 | define i32 @int80(i8 signext %p_71) nounwind { |
| 7 | entry: |
| 8 | br label %bb |
| 9 | |
| 10 | bb: ; preds = %bb6, %entry |
| 11 | %p_71_addr.0 = phi i8 [ %p_71, %entry ], [ %0, %bb6 ] ; <i8> [#uses=0] |
| 12 | br i1 false, label %bb4, label %bb1 |
| 13 | |
| 14 | bb1: ; preds = %bb |
| 15 | ret i32 0 |
| 16 | |
| 17 | bb4: ; preds = %bb4, %bb |
| 18 | br i1 false, label %bb6, label %bb4 |
| 19 | |
| 20 | bb6: ; preds = %bb4 |
| 21 | %0 = and i8 0, 0 ; <i8> [#uses=1] |
| 22 | br label %bb |
| 23 | } |