1 ; RUN: opt < %s -analyze -scalar-evolution \ 2 ; RUN: -scalar-evolution-max-iterations=0 | grep {backedge-taken count is 13} 3 ; PR1706 4 5 define i32 @f() { 6 entry: 7 br label %bb5 8 9 bb: ; preds = %bb5 10 %tmp2 = shl i32 %j.0, 1 ; <i32> [#uses=1] 11 %tmp4 = add i32 %i.0, 268435456 ; <i32> [#uses=1] 12 br label %bb5 13 14 bb5: ; preds = %bb, %entry 15 %j.0 = phi i32 [ 1, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=2] 16 %i.0 = phi i32 [ -1879048192, %entry ], [ %tmp4, %bb ] ; <i32> [#uses=2] 17 %tmp7 = icmp slt i32 %i.0, 1610612736 ; <i1> [#uses=1] 18 br i1 %tmp7, label %bb, label %return 19 20 return: ; preds = %bb5 21 ret i32 %j.0 22 } 23
