; RUN: opt < %s -simplifycfg -disable-output define void @NewExtractNames() { entry: br i1 false, label %endif.0, label %then.0 then.0: ; preds = %entry br i1 false, label %shortcirc_next.i, label %shortcirc_done.i shortcirc_next.i: ; preds = %then.0 br label %shortcirc_done.i shortcirc_done.i: ; preds = %shortcirc_next.i, %then.0 br i1 false, label %then.0.i, label %else.0.i then.0.i: ; preds = %shortcirc_done.i br label %NewBase.exit else.0.i: ; preds = %shortcirc_done.i br i1 false, label %endif.0.i, label %else.1.i else.1.i: ; preds = %else.0.i br i1 false, label %endif.0.i, label %else.2.i else.2.i: ; preds = %else.1.i br label %NewBase.exit endif.0.i: ; preds = %else.1.i, %else.0.i br label %NewBase.exit NewBase.exit: ; preds = %endif.0.i, %else.2.i, %then.0.i br label %endif.0 endif.0: ; preds = %NewBase.exit, %entry %tmp.32.mask = and i32 0, 31 ; <i32> [#uses=1] switch i32 %tmp.32.mask, label %label.9 [ i32 16, label %loopentry.2 i32 15, label %loopentry.2 i32 14, label %loopentry.2 i32 13, label %loopentry.2 i32 10, label %loopentry.2 i32 20, label %loopentry.1 i32 19, label %loopentry.1 i32 2, label %loopentry.0 i32 0, label %switchexit ] loopentry.0: ; preds = %endif.1, %endif.0 br i1 false, label %no_exit.0, label %switchexit no_exit.0: ; preds = %loopentry.0 br i1 false, label %then.1, label %else.1 then.1: ; preds = %no_exit.0 br label %endif.1 else.1: ; preds = %no_exit.0 br i1 false, label %shortcirc_next.0, label %shortcirc_done.0 shortcirc_next.0: ; preds = %else.1 br label %shortcirc_done.0 shortcirc_done.0: ; preds = %shortcirc_next.0, %else.1 br i1 false, label %then.2, label %endif.2 then.2: ; preds = %shortcirc_done.0 br label %endif.2 endif.2: ; preds = %then.2, %shortcirc_done.0 br label %endif.1 endif.1: ; preds = %endif.2, %then.1 br label %loopentry.0 loopentry.1: ; preds = %endif.3, %endif.0, %endif.0 br i1 false, label %no_exit.1, label %switchexit no_exit.1: ; preds = %loopentry.1 br i1 false, label %then.3, label %else.2 then.3: ; preds = %no_exit.1 br label %endif.3 else.2: ; preds = %no_exit.1 br i1 false, label %shortcirc_next.1, label %shortcirc_done.1 shortcirc_next.1: ; preds = %else.2 br label %shortcirc_done.1 shortcirc_done.1: ; preds = %shortcirc_next.1, %else.2 br i1 false, label %then.4, label %endif.4 then.4: ; preds = %shortcirc_done.1 br label %endif.4 endif.4: ; preds = %then.4, %shortcirc_done.1 br label %endif.3 endif.3: ; preds = %endif.4, %then.3 br label %loopentry.1 loopentry.2: ; preds = %endif.5, %endif.0, %endif.0, %endif.0, %endif.0, %endif.0 %i.3 = phi i32 [ 0, %endif.5 ], [ 0, %endif.0 ], [ 0, %endif.0 ], [ 0, %endif.0 ], [ 0, %endif.0 ], [ 0, %endif.0 ] ; <i32> [#uses=1] %tmp.158 = icmp slt i32 %i.3, 0 ; <i1> [#uses=1] br i1 %tmp.158, label %no_exit.2, label %switchexit no_exit.2: ; preds = %loopentry.2 br i1 false, label %shortcirc_next.2, label %shortcirc_done.2 shortcirc_next.2: ; preds = %no_exit.2 br label %shortcirc_done.2 shortcirc_done.2: ; preds = %shortcirc_next.2, %no_exit.2 br i1 false, label %then.5, label %endif.5 then.5: ; preds = %shortcirc_done.2 br label %endif.5 endif.5: ; preds = %then.5, %shortcirc_done.2 br label %loopentry.2 label.9: ; preds = %endif.0 br i1 false, label %then.6, label %endif.6 then.6: ; preds = %label.9 br label %endif.6 endif.6: ; preds = %then.6, %label.9 store i32 0, i32* null br label %switchexit switchexit: ; preds = %endif.6, %loopentry.2, %loopentry.1, %loopentry.0, %endif.0 br i1 false, label %endif.7, label %then.7 then.7: ; preds = %switchexit br i1 false, label %shortcirc_next.3, label %shortcirc_done.3 shortcirc_next.3: ; preds = %then.7 br label %shortcirc_done.3 shortcirc_done.3: ; preds = %shortcirc_next.3, %then.7 br i1 false, label %then.8, label %endif.8 then.8: ; preds = %shortcirc_done.3 br label %endif.8 endif.8: ; preds = %then.8, %shortcirc_done.3 br label %endif.7 endif.7: ; preds = %endif.8, %switchexit ret void }