24 lines · plain
1; RUN: opt < %s -passes='function(loop-simplify),loop-extract' -disable-output2 3define void @maketree() {4entry:5 br i1 false, label %no_exit.1, label %loopexit.06 7no_exit.1: ; preds = %endif, %expandbox.entry, %entry8 br i1 false, label %endif, label %expandbox.entry9 10expandbox.entry: ; preds = %no_exit.111 br i1 false, label %loopexit.1, label %no_exit.112 13endif: ; preds = %no_exit.114 br i1 false, label %loopexit.1, label %no_exit.115 16loopexit.1: ; preds = %endif, %expandbox.entry17 %ic.i.0.0.4 = phi i32 [ 0, %expandbox.entry ], [ 0, %endif ] ; <i32> [#uses=0]18 ret void19 20loopexit.0: ; preds = %entry21 ret void22}23 24