1 ; RUN: opt < %s -analyze -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s 2 ; PR1706 3 4 ; CHECK: backedge-taken count is 13 5 6 define i32 @f() { 7 entry: 8 br label %bb5 9 10 bb: ; preds = %bb5 11 %tmp2 = shl i32 %j.0, 1 ; <i32> [#uses=1] 12 %tmp4 = add i32 %i.0, 268435456 ; <i32> [#uses=1] 13 br label %bb5 14 15 bb5: ; preds = %bb, %entry 16 %j.0 = phi i32 [ 1, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=2] 17 %i.0 = phi i32 [ -1879048192, %entry ], [ %tmp4, %bb ] ; <i32> [#uses=2] 18 %tmp7 = icmp slt i32 %i.0, 1610612736 ; <i1> [#uses=1] 19 br i1 %tmp7, label %bb, label %return 20 21 return: ; preds = %bb5 22 ret i32 %j.0 23 } 24
