|  | ; RUN: opt < %s -loop-unroll -disable-output | 
|  |  | 
|  | define void @"f_fu___REFUf[]REFUf[]Uf"() nounwind { | 
|  | allocas: | 
|  | br i1 undef, label %cif_mask_all, label %cif_mixed_test_all | 
|  |  | 
|  | cif_mask_all:                                     ; preds = %allocas | 
|  | unreachable | 
|  |  | 
|  | cif_mixed_test_all:                               ; preds = %allocas | 
|  | br label %pl_loop.i964 | 
|  |  | 
|  | pl_loop.i964:                                     ; preds = %pl_loopend.i973, %cif_mixed_test_all | 
|  | %0 = phi i32 [ %pl_nextlane.i971, %pl_loopend.i973 ], [ 0, %cif_mixed_test_all ] | 
|  | br i1 undef, label %pl_dolane.i970, label %pl_loopend.i973 | 
|  |  | 
|  | pl_dolane.i970:                                   ; preds = %pl_loop.i964 | 
|  | %storeval.i.i969 = extractelement <4 x i8> <i8 0, i8 1, i8 2, i8 3>, i32 %0 | 
|  | store i8 %storeval.i.i969, i8* undef, align 1 | 
|  | br label %pl_loopend.i973 | 
|  |  | 
|  | pl_loopend.i973:                                  ; preds = %pl_dolane.i970, %pl_loop.i964 | 
|  | %pl_nextlane.i971 = add i32 %0, 1 | 
|  | %exitcond5 = icmp ne i32 %pl_nextlane.i971, 5 | 
|  | br i1 %exitcond5, label %pl_loop.i964, label %__scatter_base_offsets_i8.exit974 | 
|  |  | 
|  | __scatter_base_offsets_i8.exit974:                ; preds = %pl_loopend.i973 | 
|  | unreachable | 
|  | } |