| Chris Lattner | 50b9575 | 2009-09-11 17:02:12 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplifycfg -S | grep select |
| 2 | ; RUN: opt < %s -simplifycfg -S | grep br | count 2 |
| Evan Cheng | 4d09efd | 2008-06-07 08:52:29 +0000 | [diff] [blame] | 3 | |
| 4 | define i32 @t2(i32 %a, i32 %b, i32 %c) nounwind { |
| 5 | entry: |
| 6 | %tmp1 = icmp eq i32 %b, 0 |
| 7 | br i1 %tmp1, label %bb1, label %bb3 |
| 8 | |
| 9 | bb1: ; preds = %entry |
| 10 | %tmp2 = icmp sgt i32 %c, 1 |
| 11 | br i1 %tmp2, label %bb2, label %bb3 |
| 12 | |
| 13 | bb2: ; preds = bb1 |
| 14 | %tmp3 = add i32 %a, 1 |
| 15 | br label %bb3 |
| 16 | |
| 17 | bb3: ; preds = %bb2, %entry |
| 18 | %tmp4 = phi i32 [ %b, %entry ], [ %a, %bb1 ], [ %tmp3, %bb2 ] |
| 19 | %tmp5 = sub i32 %tmp4, 1 |
| 20 | ret i32 %tmp5 |
| 21 | } |