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      1 ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
      2 ; PR1101
      3 
      4 @A = weak global [1000 x i32] zeroinitializer, align 32         
      5 
      6 ; CHECK: backedge-taken count is 4
      7 
      8 define void @test(i32 %N) {
      9 entry:
     10         br label %bb3
     11 
     12 bb:             ; preds = %bb3
     13         %tmp = getelementptr [1000 x i32]* @A, i32 0, i32 %i.0          ; <i32*> [#uses=1]
     14         store i32 123, i32* %tmp
     15         %tmp4 = mul i32 %i.0, 4         ; <i32> [#uses=1]
     16         %tmp5 = or i32 %tmp4, 1
     17         %tmp61 = xor i32 %tmp5, -2147483648
     18         %tmp6 = trunc i32 %tmp61 to i16
     19         %tmp71 = shl i16 %tmp6, 2
     20         %tmp7 = zext i16 %tmp71 to i32
     21         %tmp2 = add i32 %tmp7, %i.0
     22         br label %bb3
     23 
     24 bb3:            ; preds = %bb, %entry
     25         %i.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb ]            ; <i32> [#uses=3]
     26         %tmp3 = icmp sle i32 %i.0, 9999          ; <i1> [#uses=1]
     27         br i1 %tmp3, label %bb, label %bb5
     28 
     29 bb5:            ; preds = %bb3
     30         br label %return
     31 
     32 return:         ; preds = %bb5
     33         ret void
     34 }
     35