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; RUN: opt -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
}
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