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; RUN: opt < %s -passes='function(loop-simplify),loop-extract' -disable-output
define void @maketree() {
entry:
br i1 false, label %no_exit.1, label %loopexit.0
no_exit.1: ; preds = %endif, %expandbox.entry, %entry
br i1 false, label %endif, label %expandbox.entry
expandbox.entry: ; preds = %no_exit.1
br i1 false, label %loopexit.1, label %no_exit.1
endif: ; preds = %no_exit.1
br i1 false, label %loopexit.1, label %no_exit.1
loopexit.1: ; preds = %endif, %expandbox.entry
%ic.i.0.0.4 = phi i32 [ 0, %expandbox.entry ], [ 0, %endif ] ; <i32> [#uses=0]
ret void
loopexit.0: ; preds = %entry
ret void
}
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