| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; Testcase reduced from 197.parser by bugpoint |
| 2 | ; RUN: opt < %s -adce |
| 3 | ; RUN: opt < %s -adce -adce-remove-loops -S | FileCheck %s |
| 4 | |
| 5 | define void @conjunction_prune() { |
| 6 | ; <label>:0 |
| 7 | br label %bb19 |
| 8 | |
| 9 | bb19: ; preds = %bb23, %bb22, %0 |
| 10 | %reg205 = phi i8* [ null, %bb22 ], [ null, %bb23 ], [ null, %0 ] ; <i8*> [#uses=1] |
| 11 | ; CHECK: br label %bb22 |
| 12 | br i1 false, label %bb21, label %bb22 |
| 13 | |
| 14 | bb21: ; preds = %bb19 |
| 15 | %cast455 = bitcast i8* %reg205 to i8** ; <i8**> [#uses=0] |
| 16 | ; CHECK: br label %bb22 |
| 17 | br label %bb22 |
| 18 | |
| 19 | bb22: ; preds = %bb21, %bb19 |
| 20 | ; CHECK: br label %bb23 |
| 21 | br i1 false, label %bb19, label %bb23 |
| 22 | |
| 23 | bb23: ; preds = %bb22 |
| 24 | ; CHECK: br label %bb28 |
| 25 | br i1 false, label %bb19, label %bb28 |
| 26 | |
| 27 | bb28: ; preds = %bb23 |
| 28 | ret void |
| 29 | } |
| 30 | |