; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "br " --filter "^.*:" --filter "icmp" --version 5
; RUN: opt < %s -S -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4  -enable-epilogue-vectorization \
; RUN:   -epilogue-vectorization-force-VF=4 | FileCheck %s --check-prefix=MAINVF4IC1_EPI4
; RUN: opt < %s -S -passes=loop-vectorize -force-vector-interleave=2 -force-vector-width=4  -enable-epilogue-vectorization \
; RUN:   -epilogue-vectorization-force-VF=4 | FileCheck %s --check-prefix=MAINVF4IC2_EPI4

define void @f0(i8 %n, i32 %len, ptr %p) !prof !0 {
; MAINVF4IC1_EPI4-LABEL: define void @f0(
; MAINVF4IC1_EPI4-SAME: i8 [[N:%.*]], i32 [[LEN:%.*]], ptr [[P:%.*]]) !prof [[PROF0:![0-9]+]] {
; MAINVF4IC1_EPI4:  [[ENTRY:.*:]]
; MAINVF4IC1_EPI4:    [[CMP_ENTRY:%.*]] = icmp sgt i32 [[LEN]], 0
; MAINVF4IC1_EPI4:    br i1 [[CMP_ENTRY]], label %[[ITER_CHECK:.*]], label %[[EXIT:.*]], !prof [[PROF1:![0-9]+]]
; MAINVF4IC1_EPI4:  [[ITER_CHECK]]:
; MAINVF4IC1_EPI4:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0:%.*]], 4
; MAINVF4IC1_EPI4:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]], !prof [[PROF2:![0-9]+]]
; MAINVF4IC1_EPI4:  [[VECTOR_SCEVCHECK]]:
; MAINVF4IC1_EPI4:    [[TMP2:%.*]] = icmp slt i8 [[TMP1:%.*]], 0
; MAINVF4IC1_EPI4:    [[TMP3:%.*]] = icmp ugt i32 [[LEN]], 255
; MAINVF4IC1_EPI4:    br i1 [[TMP4:%.*]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]], !prof [[PROF2]]
; MAINVF4IC1_EPI4:  [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; MAINVF4IC1_EPI4:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i32 [[TMP0]], 4
; MAINVF4IC1_EPI4:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]], !prof [[PROF2]]
; MAINVF4IC1_EPI4:  [[VECTOR_PH]]:
; MAINVF4IC1_EPI4:    br label %[[VECTOR_BODY:.*]]
; MAINVF4IC1_EPI4:  [[VECTOR_BODY]]:
; MAINVF4IC1_EPI4:    [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT:%.*]], [[N_VEC:%.*]]
; MAINVF4IC1_EPI4:    br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !prof [[PROF3:![0-9]+]], !llvm.loop [[LOOP4:![0-9]+]]
; MAINVF4IC1_EPI4:  [[MIDDLE_BLOCK]]:
; MAINVF4IC1_EPI4:    [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
; MAINVF4IC1_EPI4:    br i1 [[CMP_N]], label %[[EXIT_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]], !prof [[PROF8:![0-9]+]]
; MAINVF4IC1_EPI4:  [[VEC_EPILOG_ITER_CHECK]]:
; MAINVF4IC1_EPI4:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i32 [[N_VEC_REMAINING:%.*]], 4
; MAINVF4IC1_EPI4:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF9:![0-9]+]]
; MAINVF4IC1_EPI4:  [[VEC_EPILOG_PH]]:
; MAINVF4IC1_EPI4:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; MAINVF4IC1_EPI4:  [[VEC_EPILOG_VECTOR_BODY]]:
; MAINVF4IC1_EPI4:    [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT6:%.*]], [[N_VEC3:%.*]]
; MAINVF4IC1_EPI4:    br i1 [[TMP12]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !prof [[PROF10:![0-9]+]], !llvm.loop [[LOOP11:![0-9]+]]
; MAINVF4IC1_EPI4:  [[VEC_EPILOG_MIDDLE_BLOCK]]:
; MAINVF4IC1_EPI4:    [[CMP_N8:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC3]]
; MAINVF4IC1_EPI4:    br i1 [[CMP_N8]], label %[[EXIT_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]], !prof [[PROF8]]
; MAINVF4IC1_EPI4:  [[VEC_EPILOG_SCALAR_PH]]:
; MAINVF4IC1_EPI4:    br label %[[LOOP:.*]]
; MAINVF4IC1_EPI4:  [[LOOP]]:
; MAINVF4IC1_EPI4:    [[CMP_LOOP:%.*]] = icmp ult i32 [[I32:%.*]], [[LEN]]
; MAINVF4IC1_EPI4:    br i1 [[CMP_LOOP]], label %[[LOOP]], label %[[EXIT_LOOPEXIT]], !prof [[PROF13:![0-9]+]], !llvm.loop [[LOOP14:![0-9]+]]
; MAINVF4IC1_EPI4:  [[EXIT_LOOPEXIT]]:
; MAINVF4IC1_EPI4:    br label %[[EXIT]]
; MAINVF4IC1_EPI4:  [[EXIT]]:
;
; MAINVF4IC2_EPI4-LABEL: define void @f0(
; MAINVF4IC2_EPI4-SAME: i8 [[N:%.*]], i32 [[LEN:%.*]], ptr [[P:%.*]]) !prof [[PROF0:![0-9]+]] {
; MAINVF4IC2_EPI4:  [[ENTRY:.*:]]
; MAINVF4IC2_EPI4:    [[CMP_ENTRY:%.*]] = icmp sgt i32 [[LEN]], 0
; MAINVF4IC2_EPI4:    br i1 [[CMP_ENTRY]], label %[[ITER_CHECK:.*]], label %[[EXIT:.*]], !prof [[PROF1:![0-9]+]]
; MAINVF4IC2_EPI4:  [[ITER_CHECK]]:
; MAINVF4IC2_EPI4:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0:%.*]], 4
; MAINVF4IC2_EPI4:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]], !prof [[PROF2:![0-9]+]]
; MAINVF4IC2_EPI4:  [[VECTOR_SCEVCHECK]]:
; MAINVF4IC2_EPI4:    [[TMP2:%.*]] = icmp slt i8 [[TMP1:%.*]], 0
; MAINVF4IC2_EPI4:    [[TMP3:%.*]] = icmp ugt i32 [[LEN]], 255
; MAINVF4IC2_EPI4:    br i1 [[TMP4:%.*]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]], !prof [[PROF2]]
; MAINVF4IC2_EPI4:  [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; MAINVF4IC2_EPI4:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i32 [[TMP0]], 8
; MAINVF4IC2_EPI4:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]], !prof [[PROF2]]
; MAINVF4IC2_EPI4:  [[VECTOR_PH]]:
; MAINVF4IC2_EPI4:    br label %[[VECTOR_BODY:.*]]
; MAINVF4IC2_EPI4:  [[VECTOR_BODY]]:
; MAINVF4IC2_EPI4:    [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT:%.*]], [[N_VEC:%.*]]
; MAINVF4IC2_EPI4:    br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !prof [[PROF3:![0-9]+]], !llvm.loop [[LOOP4:![0-9]+]]
; MAINVF4IC2_EPI4:  [[MIDDLE_BLOCK]]:
; MAINVF4IC2_EPI4:    [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
; MAINVF4IC2_EPI4:    br i1 [[CMP_N]], label %[[EXIT_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]], !prof [[PROF8:![0-9]+]]
; MAINVF4IC2_EPI4:  [[VEC_EPILOG_ITER_CHECK]]:
; MAINVF4IC2_EPI4:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i32 [[N_VEC_REMAINING:%.*]], 4
; MAINVF4IC2_EPI4:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF9:![0-9]+]]
; MAINVF4IC2_EPI4:  [[VEC_EPILOG_PH]]:
; MAINVF4IC2_EPI4:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; MAINVF4IC2_EPI4:  [[VEC_EPILOG_VECTOR_BODY]]:
; MAINVF4IC2_EPI4:    [[TMP13:%.*]] = icmp eq i32 [[INDEX_NEXT6:%.*]], [[N_VEC3:%.*]]
; MAINVF4IC2_EPI4:    br i1 [[TMP13]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !prof [[PROF10:![0-9]+]], !llvm.loop [[LOOP11:![0-9]+]]
; MAINVF4IC2_EPI4:  [[VEC_EPILOG_MIDDLE_BLOCK]]:
; MAINVF4IC2_EPI4:    [[CMP_N8:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC3]]
; MAINVF4IC2_EPI4:    br i1 [[CMP_N8]], label %[[EXIT_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]], !prof [[PROF13:![0-9]+]]
; MAINVF4IC2_EPI4:  [[VEC_EPILOG_SCALAR_PH]]:
; MAINVF4IC2_EPI4:    br label %[[LOOP:.*]]
; MAINVF4IC2_EPI4:  [[LOOP]]:
; MAINVF4IC2_EPI4:    [[CMP_LOOP:%.*]] = icmp ult i32 [[I32:%.*]], [[LEN]]
; MAINVF4IC2_EPI4:    br i1 [[CMP_LOOP]], label %[[LOOP]], label %[[EXIT_LOOPEXIT]], !prof [[PROF14:![0-9]+]], !llvm.loop [[LOOP15:![0-9]+]]
; MAINVF4IC2_EPI4:  [[EXIT_LOOPEXIT]]:
; MAINVF4IC2_EPI4:    br label %[[EXIT]]
; MAINVF4IC2_EPI4:  [[EXIT]]:
;
entry:
  %cmp.entry = icmp sgt i32 %len, 0
  br i1 %cmp.entry, label %loop, label %exit, !prof !1

loop:
  %i8 = phi i8 [0, %entry], [%i8.inc, %loop]
  %i32 = phi i32 [0, %entry], [%i32.inc, %loop]

  %ptr = getelementptr inbounds i32, ptr %p, i8 %i8
  store i32 %i32, ptr %ptr

  %i8.inc = add i8 %i8, 1
  %i32.inc = add i32 %i32, 1

  %cmp.loop = icmp ult i32 %i32, %len
  br i1 %cmp.loop, label %loop, label %exit, !prof !2

exit:
  ret void
}

!0 = !{!"function_entry_count", i64 13}
!1 = !{!"branch_weights", i32 12, i32 1}
!2 = !{!"branch_weights", i32 1234, i32 1}
;.
; MAINVF4IC1_EPI4: [[PROF0]] = !{!"function_entry_count", i64 13}
; MAINVF4IC1_EPI4: [[PROF1]] = !{!"branch_weights", i32 12, i32 1}
; MAINVF4IC1_EPI4: [[PROF2]] = !{!"branch_weights", i32 1, i32 127}
; MAINVF4IC1_EPI4: [[PROF3]] = !{!"branch_weights", i32 1, i32 307}
; MAINVF4IC1_EPI4: [[LOOP4]] = distinct !{[[LOOP4]], [[META5:![0-9]+]], [[META6:![0-9]+]], [[META7:![0-9]+]]}
; MAINVF4IC1_EPI4: [[META5]] = !{!"llvm.loop.isvectorized", i32 1}
; MAINVF4IC1_EPI4: [[META6]] = !{!"llvm.loop.unroll.runtime.disable"}
; MAINVF4IC1_EPI4: [[META7]] = !{!"llvm.loop.estimated_trip_count", i32 308}
; MAINVF4IC1_EPI4: [[PROF8]] = !{!"branch_weights", i32 1, i32 3}
; MAINVF4IC1_EPI4: [[PROF9]] = !{!"branch_weights", i32 4, i32 0}
; MAINVF4IC1_EPI4: [[PROF10]] = !{!"branch_weights", i32 0, i32 0}
; MAINVF4IC1_EPI4: [[LOOP11]] = distinct !{[[LOOP11]], [[META5]], [[META6]], [[META12:![0-9]+]]}
; MAINVF4IC1_EPI4: [[META12]] = !{!"llvm.loop.estimated_trip_count", i32 0}
; MAINVF4IC1_EPI4: [[PROF13]] = !{!"branch_weights", i32 2, i32 1}
; MAINVF4IC1_EPI4: [[LOOP14]] = distinct !{[[LOOP14]], [[META5]], [[META15:![0-9]+]]}
; MAINVF4IC1_EPI4: [[META15]] = !{!"llvm.loop.estimated_trip_count", i32 3}
;.
; MAINVF4IC2_EPI4: [[PROF0]] = !{!"function_entry_count", i64 13}
; MAINVF4IC2_EPI4: [[PROF1]] = !{!"branch_weights", i32 12, i32 1}
; MAINVF4IC2_EPI4: [[PROF2]] = !{!"branch_weights", i32 1, i32 127}
; MAINVF4IC2_EPI4: [[PROF3]] = !{!"branch_weights", i32 1, i32 153}
; MAINVF4IC2_EPI4: [[LOOP4]] = distinct !{[[LOOP4]], [[META5:![0-9]+]], [[META6:![0-9]+]], [[META7:![0-9]+]]}
; MAINVF4IC2_EPI4: [[META5]] = !{!"llvm.loop.isvectorized", i32 1}
; MAINVF4IC2_EPI4: [[META6]] = !{!"llvm.loop.unroll.runtime.disable"}
; MAINVF4IC2_EPI4: [[META7]] = !{!"llvm.loop.estimated_trip_count", i32 154}
; MAINVF4IC2_EPI4: [[PROF8]] = !{!"branch_weights", i32 1, i32 7}
; MAINVF4IC2_EPI4: [[PROF9]] = !{!"branch_weights", i32 4, i32 4}
; MAINVF4IC2_EPI4: [[PROF10]] = !{!"branch_weights", i32 0, i32 0}
; MAINVF4IC2_EPI4: [[LOOP11]] = distinct !{[[LOOP11]], [[META5]], [[META6]], [[META12:![0-9]+]]}
; MAINVF4IC2_EPI4: [[META12]] = !{!"llvm.loop.estimated_trip_count", i32 0}
; MAINVF4IC2_EPI4: [[PROF13]] = !{!"branch_weights", i32 1, i32 3}
; MAINVF4IC2_EPI4: [[PROF14]] = !{!"branch_weights", i32 2, i32 1}
; MAINVF4IC2_EPI4: [[LOOP15]] = distinct !{[[LOOP15]], [[META5]], [[META16:![0-9]+]]}
; MAINVF4IC2_EPI4: [[META16]] = !{!"llvm.loop.estimated_trip_count", i32 3}
;.