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; RUN: llvm-as < %s | opt -tailduplicate -disable-output
define i32 @foo() {
entry:
br label %return.i
after_ret.i: ; No predecessors!
br label %return.i
return.i: ; preds = %after_ret.i, %entry
%tmp.3 = ptrtoint i32* null to i32 ; <i32> [#uses=1]
br label %return.i1
after_ret.i1: ; No predecessors!
br label %return.i1
return.i1: ; preds = %after_ret.i1, %return.i
%tmp.8 = sub i32 %tmp.3, 0 ; <i32> [#uses=0]
ret i32 0
}
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