; RUN: opt < %s -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 | |
} | |