| Jakub Kuderski | d869913 | 2017-08-02 18:17:52 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-deletion -S |
| 2 | ; RUN: opt < %s -loop-deletion -analyze -domtree 2>&1 | FileCheck -check-prefix=DT %s |
| 3 | ; RUN: opt < %s -loop-deletion -analyze -verify-dom-info |
| 4 | |
| 5 | ; CHECK: for.body |
| 6 | ; CHECK-NOT: for.cond1 |
| 7 | |
| 8 | ; Verify only the important parts of the DomTree. |
| 9 | ; DT: [1] %entry |
| 10 | ; DT: [2] %for.cond |
| 11 | ; DT: [3] %lbl63A679E5 |
| 12 | ; DT: [3] %for.cond9 |
| 13 | ; DT: [3] %lbl64774A9B |
| 14 | ; DT: [3] %for.body |
| 15 | ; DT: [4] %for.cond3.loopexit |
| 16 | |
| 17 | define i32 @fn1() { |
| 18 | entry: |
| 19 | br label %for.cond |
| 20 | |
| 21 | for.cond: ; preds = %entry |
| 22 | br i1 undef, label %lbl63A679E5, label %for.body |
| 23 | |
| 24 | for.body: ; preds = %for.cond |
| 25 | br label %for.cond1 |
| 26 | |
| 27 | for.cond1: ; preds = %for.cond1, %for.body |
| 28 | br i1 undef, label %for.cond1, label %for.cond3.loopexit |
| 29 | |
| 30 | for.cond3.loopexit: ; preds = %for.cond1 |
| 31 | br label %for.cond3 |
| 32 | |
| 33 | for.cond3: ; preds = %for.cond9, %for.cond3.loopexit |
| 34 | br i1 undef, label %for.body4, label %for.cond17 |
| 35 | |
| 36 | for.body4: ; preds = %for.cond3 |
| 37 | br label %for.cond5 |
| 38 | |
| 39 | for.cond5: ; preds = %lbl63A679E5, %for.body4 |
| 40 | br label %for.cond9 |
| 41 | |
| 42 | lbl63A679E5: ; preds = %for.cond |
| 43 | br label %for.cond5 |
| 44 | |
| 45 | for.cond9: ; preds = %for.end14.split, %for.cond5 |
| 46 | br i1 undef, label %for.cond3, label %lbl64774A9B |
| 47 | |
| 48 | lbl64774A9B: ; preds = %for.cond17, %for.cond9 |
| 49 | br label %for.end14.split |
| 50 | |
| 51 | for.end14.split: ; preds = %lbl64774A9B |
| 52 | br label %for.cond9 |
| 53 | |
| 54 | for.cond17: ; preds = %for.cond3 |
| 55 | br label %lbl64774A9B |
| 56 | } |