| ; RUN: opt -loop-rotate -disable-output %s |
| ; RUN: opt -passes=loop-rotate -disable-output %s |
| |
| ; Make sure we don't crash on this test. |
| define void @foo(i32* %arg) { |
| bb: |
| %tmp = load i32, i32* %arg, align 4 |
| br label %bb1 |
| |
| bb1: ; preds = %bb7, %bb |
| %tmp2 = phi i32 [ %tmp, %bb ], [ 1, %bb7 ] |
| %tmp3 = sub i32 0, %tmp2 |
| %tmp4 = icmp ult i32 0, %tmp3 |
| %tmp5 = freeze i1 %tmp4 |
| br i1 %tmp5, label %bb7, label %bb6 |
| |
| bb6: ; preds = %bb1 |
| ret void |
| |
| bb7: ; preds = %bb1 |
| %tmp8 = getelementptr inbounds i8, i8* undef, i64 8 |
| br label %bb1 |
| } |
| |