1 ; RUN: opt < %s -loop-extract -disable-output 2 3 define void @maketree() { 4 entry: 5 br i1 false, label %no_exit.1, label %loopexit.0 6 7 no_exit.1: ; preds = %endif, %expandbox.entry, %entry 8 br i1 false, label %endif, label %expandbox.entry 9 10 expandbox.entry: ; preds = %no_exit.1 11 br i1 false, label %loopexit.1, label %no_exit.1 12 13 endif: ; preds = %no_exit.1 14 br i1 false, label %loopexit.1, label %no_exit.1 15 16 loopexit.1: ; preds = %endif, %expandbox.entry 17 %ic.i.0.0.4 = phi i32 [ 0, %expandbox.entry ], [ 0, %endif ] ; <i32> [#uses=0] 18 ret void 19 20 loopexit.0: ; preds = %entry 21 ret void 22 } 23 24
