| Chris Lattner | 8fb0251 | 2009-11-10 07:44:36 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplifycfg -S |
| Chris Lattner | c4f85dd | 2009-01-19 02:46:28 +0000 | [diff] [blame] | 2 | ; PR3016 |
| 3 | ; Dead use caused invariant violation. |
| 4 | |
| 5 | define i32 @func_105(i1 %tmp5, i1 %tmp7) nounwind { |
| 6 | BB: |
| 7 | br i1 true, label %BB2, label %BB1 |
| 8 | |
| 9 | BB1: ; preds = %BB |
| 10 | br label %BB2 |
| 11 | |
| 12 | BB2: ; preds = %BB1, %BB |
| 13 | %tmp3 = phi i1 [ true, %BB ], [ false, %BB1 ] ; <i1> [#uses=1] |
| 14 | br label %BB9 |
| 15 | |
| 16 | BB9: ; preds = %BB11, %BB2 |
| 17 | %tmp10 = phi i32 [ 0, %BB2 ], [ %tmp12, %BB11 ] ; <i32> [#uses=1] |
| 18 | br i1 %tmp5, label %BB11, label %BB13 |
| 19 | |
| 20 | BB11: ; preds = %BB13, %BB9 |
| 21 | %tmp12 = phi i32 [ 0, %BB13 ], [ %tmp10, %BB9 ] ; <i32> [#uses=2] |
| 22 | br i1 %tmp3, label %BB9, label %BB20 |
| 23 | |
| 24 | BB13: ; preds = %BB13, %BB9 |
| 25 | %tmp14 = phi i32 [ 0, %BB9 ], [ %tmp14, %BB13 ] ; <i32> [#uses=1] |
| 26 | br i1 %tmp7, label %BB13, label %BB11 |
| 27 | |
| 28 | BB20: ; preds = %BB11 |
| 29 | ret i32 %tmp12 |
| 30 | } |