| ; RUN: llvm-as < %s | opt -tailduplicate -disable-output | |
| define i32 @sum() { | |
| entry: | |
| br label %loopentry | |
| loopentry: ; preds = %loopentry, %entry | |
| %i.0 = phi i32 [ 1, %entry ], [ %tmp.3, %loopentry ] ; <i32> [#uses=1] | |
| %tmp.3 = add i32 %i.0, 1 ; <i32> [#uses=1] | |
| br label %loopentry | |
| } | |