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      1 ; RUN: llc -mcpu=corei7 -mtriple=x86_64-linux -force-precise-rotation-cost < %s | FileCheck %s -check-prefix=CHECK
      2 
      3 define void @bar()  {
      4 ; Test that all edges in the loop chain are fall through with profile data.
      5 ;
      6 ; CHECK-LABEL: bar:
      7 ; CHECK: latch
      8 ; CHECK: header
      9 ; CHECK: if.then
     10 ; CHECK: end
     11 
     12 entry:
     13   br label %header
     14 
     15 header:
     16   call void @e()
     17   %call = call zeroext i1 @a()
     18   br i1 %call, label %if.then, label %latch, !prof !1
     19 
     20 if.then:
     21   call void @f()
     22   %call3 = call zeroext i1 @a()
     23   br i1 %call3, label %latch, label %end, !prof !2
     24 
     25 latch:
     26   call void @h()
     27   %call2 = call zeroext i1 @a()
     28   br i1 %call2, label %header, label %end, !prof !3
     29 
     30 end:
     31   ret void
     32 }
     33 
     34 declare zeroext i1 @a()
     35 declare void @e()
     36 declare void @f()
     37 declare void @g()
     38 declare void @h()
     39 
     40 !1 = !{!"branch_weights", i32 16, i32 16}
     41 !2 = !{!"branch_weights", i32 97, i32 3}
     42 !3 = !{!"branch_weights", i32 97, i32 3}
     43