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      1 ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
      2 ; PR3171
      3 
      4 ; CHECK: count is 2
      5 
      6 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
      7 
      8 	%struct.Foo = type { i32 }
      9 	%struct.NonPod = type { [2 x %struct.Foo] }
     10 
     11 define void @_Z3foov() nounwind {
     12 entry:
     13 	%x = alloca %struct.NonPod, align 8		; <%struct.NonPod*> [#uses=2]
     14 	%0 = getelementptr %struct.NonPod, %struct.NonPod* %x, i32 0, i32 0		; <[2 x %struct.Foo]*> [#uses=1]
     15 	%1 = getelementptr [2 x %struct.Foo], [2 x %struct.Foo]* %0, i32 1, i32 0		; <%struct.Foo*> [#uses=1]
     16 	br label %bb1.i
     17 
     18 bb1.i:		; preds = %bb2.i, %entry
     19 	%.0.i = phi %struct.Foo* [ %1, %entry ], [ %4, %bb2.i ]		; <%struct.Foo*> [#uses=2]
     20 	%2 = getelementptr %struct.NonPod, %struct.NonPod* %x, i32 0, i32 0, i32 0		; <%struct.Foo*> [#uses=1]
     21 	%3 = icmp eq %struct.Foo* %.0.i, %2		; <i1> [#uses=1]
     22 	br i1 %3, label %_ZN6NonPodD1Ev.exit, label %bb2.i
     23 
     24 bb2.i:		; preds = %bb1.i
     25 	%4 = getelementptr %struct.Foo, %struct.Foo* %.0.i, i32 -1		; <%struct.Foo*> [#uses=1]
     26 	br label %bb1.i
     27 
     28 _ZN6NonPodD1Ev.exit:		; preds = %bb1.i
     29 	ret void
     30 }
     31 
     32