1 ; RUN: opt < %s -tailduplicate -disable-output 2 3 define i32 @foo() { 4 entry: 5 br label %return.i 6 after_ret.i: ; No predecessors! 7 br label %return.i 8 return.i: ; preds = %after_ret.i, %entry 9 %tmp.3 = ptrtoint i32* null to i32 ; <i32> [#uses=1] 10 br label %return.i1 11 after_ret.i1: ; No predecessors! 12 br label %return.i1 13 return.i1: ; preds = %after_ret.i1, %return.i 14 %tmp.8 = sub i32 %tmp.3, 0 ; <i32> [#uses=0] 15 ret i32 0 16 } 17 18
