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      1 ; RUN: llc -mtriple i386-unknown-linux-gnu -relocation-model=pic -verify-machineinstrs < %s
      2 ; We used to crash on this.
      3 
      4 declare void @foo()
      5 declare void @foo3(i1 %x)
      6 define void @bar(i1 %a1, i16 %a2) nounwind align 2 {
      7 bb0:
      8   %a3 = trunc i16 %a2 to i8
      9   %a4 = lshr i16 %a2, 8
     10   %a5 = trunc i16 %a4 to i8
     11   br i1 %a1, label %bb1, label %bb2
     12 bb1:
     13   br label %bb2
     14 bb2:
     15   %a6 = phi i8 [ 3, %bb0 ], [ %a5, %bb1 ]
     16   %a7 = phi i8 [ 9, %bb0 ], [ %a3, %bb1 ]
     17   %a8 = icmp eq i8 %a6, 1
     18   call void @foo()
     19   %a9 = icmp eq i8 %a7, 0
     20   call void @foo3(i1 %a9)
     21   call void @foo3(i1 %a8)
     22   ret void
     23 }
     24