1 ; This test checks to make sure phi nodes are updated properly 2 ; 3 ; RUN: opt < %s -tailduplicate -disable-output 4 5 define i32 @test(i1 %c, i32 %X, i32 %Y) { 6 br label %L 7 L: ; preds = %F, %0 8 %A = add i32 %X, %Y ; <i32> [#uses=1] 9 br i1 %c, label %T, label %F 10 F: ; preds = %L 11 br i1 %c, label %L, label %T 12 T: ; preds = %F, %L 13 %V = phi i32 [ %A, %L ], [ 0, %F ] ; <i32> [#uses=1] 14 ret i32 %V 15 } 16 17
