| ; RUN: opt -simple-loop-unswitch -disable-output < %s |
| ; PR10031 |
| |
| define i32 @test(i32 %command) { |
| entry: |
| br label %tailrecurse |
| |
| tailrecurse: ; preds = %if.then14, %tailrecurse, %entry |
| br i1 undef, label %if.then, label %tailrecurse |
| |
| if.then: ; preds = %tailrecurse |
| switch i32 %command, label %sw.bb [ |
| i32 2, label %land.lhs.true |
| i32 0, label %land.lhs.true |
| ] |
| |
| land.lhs.true: ; preds = %if.then, %if.then |
| br i1 undef, label %sw.bb, label %if.then14 |
| |
| if.then14: ; preds = %land.lhs.true |
| switch i32 %command, label %tailrecurse [ |
| i32 0, label %sw.bb |
| i32 1, label %sw.bb |
| ] |
| |
| sw.bb: ; preds = %if.then14 |
| unreachable |
| } |