| ; PR28103 |
| ; Bail out if the two successors are not the header |
| ; and another bb outside of the loop. This case is not |
| ; properly handled by LoopUnroll, currently. |
| |
| ; RUN: opt -passes=loop-unroll -verify-dom-info %s |
| ; REQUIRES: asserts |
| |
| define void @tinkywinky(i1 %patatino) { |
| entry: |
| br label %header1 |
| header1: |
| %indvars.iv = phi i64 [ 1, %body2 ], [ 0, %entry ] |
| %exitcond = icmp ne i64 %indvars.iv, 1 |
| br i1 %exitcond, label %body1, label %exit |
| body1: |
| br i1 %patatino, label %body2, label %sink |
| body2: |
| br i1 %patatino, label %header1, label %body3 |
| body3: |
| br label %sink |
| sink: |
| br label %body2 |
| exit: |
| ret void |
| } |
