; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5

; To test epilogue-vectorization we need to make sure that the vectorizer actually vectorizes the loop.
; Without a target triple this becomes difficult, unless we force vectorization through user hints.
; RUN: opt -passes='loop-vectorize' -force-vector-width=8 -enable-epilogue-vectorization -epilogue-vectorization-force-VF=4 -S %s | FileCheck %s

; Some simpler cases are found profitable even without triple or user hints.
; RUN: opt -passes='loop-vectorize' -enable-epilogue-vectorization -epilogue-vectorization-force-VF=2 -S %s | FileCheck --check-prefix=CHECK-PROFITABLE-BY-DEFAULT %s

target datalayout = "e-m:e-i64:64-n32:64-v128:128:128"

define void @f1(ptr noalias %aa, ptr noalias %bb, ptr noalias %cc, i32 signext %N) {
; CHECK-LABEL: define void @f1(
; CHECK-SAME: ptr noalias [[AA:%.*]], ptr noalias [[BB:%.*]], ptr noalias [[CC:%.*]], i32 signext [[N:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[N]], 0
; CHECK-NEXT:    br i1 [[CMP1]], label %[[ITER_CHECK:.*]], label %[[FOR_END:.*]]
; CHECK:       [[ITER_CHECK]]:
; CHECK-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 8
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 8
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDEX]]
; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <8 x float>, ptr [[TMP1]], align 4
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDEX]]
; CHECK-NEXT:    [[WIDE_LOAD2:%.*]] = load <8 x float>, ptr [[TMP3]], align 4
; CHECK-NEXT:    [[TMP5:%.*]] = fadd fast <8 x float> [[WIDE_LOAD]], [[WIDE_LOAD2]]
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDEX]]
; CHECK-NEXT:    store <8 x float> [[TMP5]], ptr [[TMP6]], align 4
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4
; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3:![0-9]+]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[N_MOD_VF3:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-NEXT:    [[N_VEC4:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF3]]
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX6:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT9:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDEX6]]
; CHECK-NEXT:    [[WIDE_LOAD7:%.*]] = load <4 x float>, ptr [[TMP10]], align 4
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDEX6]]
; CHECK-NEXT:    [[WIDE_LOAD8:%.*]] = load <4 x float>, ptr [[TMP12]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = fadd fast <4 x float> [[WIDE_LOAD7]], [[WIDE_LOAD8]]
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDEX6]]
; CHECK-NEXT:    store <4 x float> [[TMP14]], ptr [[TMP15]], align 4
; CHECK-NEXT:    [[INDEX_NEXT9]] = add nuw i64 [[INDEX6]], 4
; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT9]], [[N_VEC4]]
; CHECK-NEXT:    br i1 [[TMP17]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N5:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC4]]
; CHECK-NEXT:    br i1 [[CMP_N5]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC4]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    [[TMP18:%.*]] = load float, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    [[TMP19:%.*]] = load float, ptr [[ARRAYIDX2]], align 4
; CHECK-NEXT:    [[ADD:%.*]] = fadd fast float [[TMP18]], [[TMP19]]
; CHECK-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    store float [[ADD]], ptr [[ARRAYIDX4]], align 4
; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK:       [[FOR_END_LOOPEXIT]]:
; CHECK-NEXT:    br label %[[FOR_END]]
; CHECK:       [[FOR_END]]:
; CHECK-NEXT:    ret void
;
; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @f1(
; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[AA:%.*]], ptr noalias [[BB:%.*]], ptr noalias [[CC:%.*]], i32 signext [[N:%.*]]) {
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:  [[ENTRY:.*:]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[N]], 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[CMP1]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_BODY_PREHEADER]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[BB]], i64 [[INDVARS_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP0:%.*]] = load float, ptr [[ARRAYIDX]], align 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr [[CC]], i64 [[INDVARS_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP1:%.*]] = load float, ptr [[ARRAYIDX2]], align 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ADD:%.*]] = fadd fast float [[TMP0]], [[TMP1]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds float, ptr [[AA]], i64 [[INDVARS_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store float [[ADD]], ptr [[ARRAYIDX4]], align 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_END_LOOPEXIT]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[FOR_END]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_END]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    ret void
;
entry:
  %cmp1 = icmp sgt i32 %N, 0
  br i1 %cmp1, label %for.body.preheader, label %for.end

for.body.preheader:
  %wide.trip.count = zext i32 %N to i64
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
  %arrayidx = getelementptr inbounds float, ptr %bb, i64 %indvars.iv
  %0 = load float, ptr %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds float, ptr %cc, i64 %indvars.iv
  %1 = load float, ptr %arrayidx2, align 4
  %add = fadd fast float %0, %1
  %arrayidx4 = getelementptr inbounds float, ptr %aa, i64 %indvars.iv
  store float %add, ptr %arrayidx4, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp ne i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond, label %for.body, label %for.end.loopexit

for.end.loopexit:
  br label %for.end

for.end:
  ret void
}

define signext i32 @f2(ptr noalias %A, ptr noalias %B, i32 signext %n) {
; CHECK-LABEL: define signext i32 @f2(
; CHECK-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i32 signext [[N:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[N]], 1
; CHECK-NEXT:    br i1 [[CMP1]], label %[[ITER_CHECK:.*]], label %[[FOR_END:.*]]
; CHECK:       [[ITER_CHECK]]:
; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
; CHECK-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[TMP0]] to i64
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
; CHECK:       [[VECTOR_SCEVCHECK]]:
; CHECK-NEXT:    [[TMP1:%.*]] = add nsw i64 [[WIDE_TRIP_COUNT]], -1
; CHECK-NEXT:    [[TMP2:%.*]] = trunc i64 [[TMP1]] to i32
; CHECK-NEXT:    [[TMP3:%.*]] = sub i32 [[TMP0]], [[TMP2]]
; CHECK-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[TMP3]], [[TMP0]]
; CHECK-NEXT:    [[TMP6:%.*]] = icmp ugt i64 [[TMP1]], 4294967295
; CHECK-NEXT:    [[TMP7:%.*]] = or i1 [[TMP4]], [[TMP6]]
; CHECK-NEXT:    br i1 [[TMP7]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 8
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 8
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]
; CHECK-NEXT:    [[IND_END4:%.*]] = trunc i64 [[N_VEC]] to i32
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
; CHECK-NEXT:    [[TMP10:%.*]] = xor i32 [[OFFSET_IDX]], -1
; CHECK-NEXT:    [[TMP11:%.*]] = add i32 [[TMP10]], [[N]]
; CHECK-NEXT:    [[TMP12:%.*]] = sext i32 [[TMP11]] to i64
; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP12]]
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds float, ptr [[TMP13]], i64 -7
; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <8 x float>, ptr [[TMP15]], align 4
; CHECK-NEXT:    [[TMP14:%.*]] = fadd fast <8 x float> [[WIDE_LOAD]], splat (float 1.000000e+00)
; CHECK-NEXT:    [[TMP16:%.*]] = shufflevector <8 x float> [[TMP14]], <8 x float> poison, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]]
; CHECK-NEXT:    store <8 x float> [[TMP16]], ptr [[TMP17]], align 4
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP19]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4
; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[N_MOD_VF2:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-NEXT:    [[N_VEC3:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF2]]
; CHECK-NEXT:    [[IND_END:%.*]] = trunc i64 [[N_VEC3]] to i32
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX7:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT11:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX8:%.*]] = trunc i64 [[INDEX7]] to i32
; CHECK-NEXT:    [[TMP22:%.*]] = xor i32 [[OFFSET_IDX8]], -1
; CHECK-NEXT:    [[TMP23:%.*]] = add i32 [[TMP22]], [[N]]
; CHECK-NEXT:    [[TMP24:%.*]] = sext i32 [[TMP23]] to i64
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP24]]
; CHECK-NEXT:    [[TMP27:%.*]] = getelementptr inbounds float, ptr [[TMP25]], i64 -3
; CHECK-NEXT:    [[WIDE_LOAD9:%.*]] = load <4 x float>, ptr [[TMP27]], align 4
; CHECK-NEXT:    [[TMP26:%.*]] = fadd fast <4 x float> [[WIDE_LOAD9]], splat (float 1.000000e+00)
; CHECK-NEXT:    [[TMP28:%.*]] = shufflevector <4 x float> [[TMP26]], <4 x float> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX7]]
; CHECK-NEXT:    store <4 x float> [[TMP28]], ptr [[TMP29]], align 4
; CHECK-NEXT:    [[INDEX_NEXT11]] = add nuw i64 [[INDEX7]], 4
; CHECK-NEXT:    [[TMP31:%.*]] = icmp eq i64 [[INDEX_NEXT11]], [[N_VEC3]]
; CHECK-NEXT:    br i1 [[TMP31]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N6:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC3]]
; CHECK-NEXT:    br i1 [[CMP_N6]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL9:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL10:%.*]] = phi i32 [ [[IND_END]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END4]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL9]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT:    [[I_014:%.*]] = phi i32 [ [[BC_RESUME_VAL10]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT:    [[TMP32:%.*]] = xor i32 [[I_014]], -1
; CHECK-NEXT:    [[SUB2:%.*]] = add i32 [[TMP32]], [[N]]
; CHECK-NEXT:    [[IDXPROM:%.*]] = sext i32 [[SUB2]] to i64
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[IDXPROM]]
; CHECK-NEXT:    [[TMP33:%.*]] = load float, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT:    [[CONV3:%.*]] = fadd fast float [[TMP33]], 1.000000e+00
; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    store float [[CONV3]], ptr [[ARRAYIDX5]], align 4
; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_014]], 1
; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK:       [[FOR_END_LOOPEXIT]]:
; CHECK-NEXT:    br label %[[FOR_END]]
; CHECK:       [[FOR_END]]:
; CHECK-NEXT:    ret i32 0
;
; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define signext i32 @f2(
; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], i32 signext [[N:%.*]]) {
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:  [[ENTRY:.*:]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[N]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[CMP1]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_BODY_PREHEADER]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[TMP0]] to i64
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[I_014:%.*]] = phi i32 [ 0, %[[FOR_BODY_PREHEADER]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP1:%.*]] = xor i32 [[I_014]], -1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[SUB2:%.*]] = add i32 [[TMP1]], [[N]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IDXPROM:%.*]] = sext i32 [[SUB2]] to i64
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[IDXPROM]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP2:%.*]] = load float, ptr [[ARRAYIDX]], align 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CONV3:%.*]] = fadd fast float [[TMP2]], 1.000000e+00
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store float [[CONV3]], ptr [[ARRAYIDX5]], align 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INC]] = add nuw nsw i32 [[I_014]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_END_LOOPEXIT]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[FOR_END]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_END]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    ret i32 0
;
entry:
  %cmp1 = icmp sgt i32 %n, 1
  br i1 %cmp1, label %for.body.preheader, label %for.end

for.body.preheader:
  %0 = add i32 %n, -1
  %wide.trip.count = zext i32 %0 to i64
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
  %i.014 = phi i32 [ 0, %for.body.preheader ], [ %inc, %for.body ]
  %1 = xor i32 %i.014, -1
  %sub2 = add i32 %1, %n
  %idxprom = sext i32 %sub2 to i64
  %arrayidx = getelementptr inbounds float, ptr %B, i64 %idxprom
  %2 = load float, ptr %arrayidx, align 4
  %conv3 = fadd fast float %2, 1.000000e+00
  %arrayidx5 = getelementptr inbounds float, ptr %A, i64 %indvars.iv
  store float %conv3, ptr %arrayidx5, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %inc = add nuw nsw i32 %i.014, 1
  %exitcond = icmp ne i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond, label %for.body, label %for.end.loopexit

for.end.loopexit:
  br label %for.end

for.end:
  ret i32 0
}

define void @f3(ptr noalias %A, i64 %n) {
; CHECK-LABEL: define void @f3(
; CHECK-SAME: ptr noalias [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT:  [[ITER_CHECK:.*]]:
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[N]], 8
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], 8
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]
; CHECK-NEXT:    store <8 x i8> splat (i8 1), ptr [[TMP1]], align 1
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4
; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[N_MOD_VF2:%.*]] = urem i64 [[N]], 4
; CHECK-NEXT:    [[N_VEC3:%.*]] = sub i64 [[N]], [[N_MOD_VF2]]
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX5:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT6:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX5]]
; CHECK-NEXT:    store <4 x i8> splat (i8 1), ptr [[TMP5]], align 1
; CHECK-NEXT:    [[INDEX_NEXT6]] = add nuw i64 [[INDEX5]], 4
; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT6]], [[N_VEC3]]
; CHECK-NEXT:    br i1 [[TMP7]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N4:%.*]] = icmp eq i64 [[N]], [[N_VEC3]]
; CHECK-NEXT:    br i1 [[CMP_N4]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]
; CHECK-NEXT:    store i8 1, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT:    br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK:       [[FOR_END_LOOPEXIT]]:
; CHECK-NEXT:    br label %[[FOR_END:.*]]
; CHECK:       [[FOR_END]]:
; CHECK-NEXT:    ret void
;
; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @f3(
; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:  [[ITER_CHECK:.*]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[N]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store <4 x i8> splat (i8 1), ptr [[TMP1]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[MIDDLE_BLOCK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[CMP_N]], label %[[FOR_END_LOOPEXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_MOD_VF2:%.*]] = urem i64 [[N]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_VEC3:%.*]] = sub i64 [[N]], [[N_MOD_VF2]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX5:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT6:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX5]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store <2 x i8> splat (i8 1), ptr [[TMP5]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX_NEXT6]] = add nuw i64 [[INDEX5]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT6]], [[N_VEC3]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[TMP7]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CMP_N4:%.*]] = icmp eq i64 [[N]], [[N_VEC3]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[CMP_N4]], label %[[FOR_END_LOOPEXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store i8 1, ptr [[ARRAYIDX]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[N]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[EXITCOND]], label %[[FOR_BODY]], label %[[FOR_END_LOOPEXIT]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_END_LOOPEXIT]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[FOR_END:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[FOR_END]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    ret void
;
entry:
  br label %for.body

for.body:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
  %arrayidx = getelementptr inbounds i8, ptr %A, i64 %iv
  store i8 1, ptr %arrayidx, align 1
  %iv.next = add nuw nsw i64 %iv, 1
  %exitcond = icmp ne i64 %iv.next, %n
  br i1 %exitcond, label %for.body, label %for.end.loopexit

for.end.loopexit:
  br label %for.end

for.end:
  ret void
}

; Test case for PR54745.
define void @induction_resume_value_requires_non_trivial_scev_expansion(ptr %dst) {
; CHECK-LABEL: define void @induction_resume_value_requires_non_trivial_scev_expansion(
; CHECK-SAME: ptr [[DST:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*]]:
; CHECK-NEXT:    br label %[[ITER_CHECK:.*]]
; CHECK:       [[ITER_CHECK]]:
; CHECK-NEXT:    [[INDUCTION_IV:%.*]] = phi i8 [ [[INDUCTION_IV_NEXT:%.*]], %[[OUTER_LATCH:.*]] ], [ -56, %[[ENTRY]] ]
; CHECK-NEXT:    [[INDVAR:%.*]] = phi i8 [ [[INDVAR_NEXT:%.*]], %[[OUTER_LATCH]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT:    [[OUTER_IV:%.*]] = phi i64 [ 2, %[[ENTRY]] ], [ [[OUTER_IV_NEXT:%.*]], %[[OUTER_LATCH]] ]
; CHECK-NEXT:    [[P2:%.*]] = phi i32 [ -202, %[[ENTRY]] ], [ [[ADD:%.*]], %[[OUTER_LATCH]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = mul i8 [[INDVAR]], -1
; CHECK-NEXT:    [[TMP1:%.*]] = add i8 [[TMP0]], -3
; CHECK-NEXT:    [[TRUNC_IV:%.*]] = trunc i64 [[OUTER_IV]] to i32
; CHECK-NEXT:    [[ADD]] = add i32 [[P2]], [[TRUNC_IV]]
; CHECK-NEXT:    [[TRUNC_ADD:%.*]] = trunc i32 [[ADD]] to i8
; CHECK-NEXT:    br i1 false, label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    br i1 false, label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[TMP2:%.*]] = mul i8 80, [[INDUCTION_IV]]
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <8 x i8> poison, i8 [[INDUCTION_IV]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT]], <8 x i8> poison, <8 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP3:%.*]] = mul <8 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>, [[BROADCAST_SPLAT]]
; CHECK-NEXT:    [[TMP4:%.*]] = shl i8 [[INDUCTION_IV]], 3
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <8 x i8> poison, i8 [[TMP4]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT2:%.*]] = shufflevector <8 x i8> [[BROADCAST_SPLATINSERT1]], <8 x i8> poison, <8 x i32> zeroinitializer
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <8 x i8> [ [[TMP3]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]]
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX]]
; CHECK-NEXT:    store <8 x i8> [[VEC_IND]], ptr [[TMP5]], align 1
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <8 x i8> [[VEC_IND]], [[BROADCAST_SPLAT2]]
; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 80
; CHECK-NEXT:    br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    br i1 false, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    br i1 false, label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ 80, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i8 [ [[TMP2]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[IND_END4:%.*]] = mul i8 84, [[INDUCTION_IV]]
; CHECK-NEXT:    [[DOTSPLATINSERT8:%.*]] = insertelement <4 x i8> poison, i8 [[BC_RESUME_VAL]], i64 0
; CHECK-NEXT:    [[DOTSPLAT9:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT8]], <4 x i8> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[DOTSPLATINSERT10:%.*]] = insertelement <4 x i8> poison, i8 [[INDUCTION_IV]], i64 0
; CHECK-NEXT:    [[DOTSPLAT11:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT10]], <4 x i8> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP8:%.*]] = mul <4 x i8> <i8 0, i8 1, i8 2, i8 3>, [[DOTSPLAT11]]
; CHECK-NEXT:    [[INDUCTION12:%.*]] = add <4 x i8> [[DOTSPLAT9]], [[TMP8]]
; CHECK-NEXT:    [[TMP9:%.*]] = shl i8 [[INDUCTION_IV]], 2
; CHECK-NEXT:    [[DOTSPLATINSERT13:%.*]] = insertelement <4 x i8> poison, i8 [[TMP9]], i64 0
; CHECK-NEXT:    [[DOTSPLAT14:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT13]], <4 x i8> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX7:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT18:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND15:%.*]] = phi <4 x i8> [ [[INDUCTION12]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT16:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX17:%.*]] = add i64 1, [[INDEX7]]
; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX17]]
; CHECK-NEXT:    store <4 x i8> [[VEC_IND15]], ptr [[TMP11]], align 1
; CHECK-NEXT:    [[INDEX_NEXT18]] = add nuw i64 [[INDEX7]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT16]] = add <4 x i8> [[VEC_IND15]], [[DOTSPLAT14]]
; CHECK-NEXT:    [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT18]], 84
; CHECK-NEXT:    br i1 [[TMP13]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL14:%.*]] = phi i64 [ 85, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 81, %[[VEC_EPILOG_ITER_CHECK]] ], [ 1, %[[ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL15:%.*]] = phi i8 [ [[IND_END4]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[TMP2]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[INNER:.*]]
; CHECK:       [[INNER]]:
; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL14]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[INNER]] ]
; CHECK-NEXT:    [[IV_2:%.*]] = phi i8 [ [[BC_RESUME_VAL15]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[INNER]] ]
; CHECK-NEXT:    [[IV_2_NEXT]] = sub i8 [[IV_2]], [[TRUNC_ADD]]
; CHECK-NEXT:    [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]]
; CHECK-NEXT:    store i8 [[IV_2]], ptr [[GEP_DST]], align 1
; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT:    [[EC:%.*]] = icmp ugt i64 [[IV]], 83
; CHECK-NEXT:    br i1 [[EC]], label %[[OUTER_LATCH]], label %[[INNER]], !llvm.loop [[LOOP14:![0-9]+]]
; CHECK:       [[OUTER_LATCH]]:
; CHECK-NEXT:    [[OUTER_IV_NEXT]] = add nuw nsw i64 [[OUTER_IV]], 1
; CHECK-NEXT:    [[INDVAR_NEXT]] = add i8 [[INDVAR]], 1
; CHECK-NEXT:    [[INDUCTION_IV_NEXT]] = add i8 [[INDUCTION_IV]], [[TMP1]]
; CHECK-NEXT:    br label %[[ITER_CHECK]]
;
; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @induction_resume_value_requires_non_trivial_scev_expansion(
; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr [[DST:%.*]]) {
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:  [[ENTRY:.*]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDUCTION_IV:%.*]] = phi i8 [ [[INDUCTION_IV_NEXT:%.*]], %[[OUTER_LATCH:.*]] ], [ -56, %[[ENTRY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDVAR:%.*]] = phi i8 [ [[INDVAR_NEXT:%.*]], %[[OUTER_LATCH]] ], [ 0, %[[ENTRY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[OUTER_IV:%.*]] = phi i64 [ 2, %[[ENTRY]] ], [ [[OUTER_IV_NEXT:%.*]], %[[OUTER_LATCH]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[P2:%.*]] = phi i32 [ -202, %[[ENTRY]] ], [ [[ADD:%.*]], %[[OUTER_LATCH]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP0:%.*]] = mul i8 [[INDVAR]], -1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP1:%.*]] = add i8 [[TMP0]], -3
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TRUNC_IV:%.*]] = trunc i64 [[OUTER_IV]] to i32
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ADD]] = add i32 [[P2]], [[TRUNC_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TRUNC_ADD:%.*]] = trunc i32 [[ADD]] to i8
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 false, label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 false, label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IND_END:%.*]] = mul i8 84, [[INDUCTION_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x i8> poison, i8 [[INDUCTION_IV]], i64 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT]], <4 x i8> poison, <4 x i32> zeroinitializer
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP2:%.*]] = mul <4 x i8> <i8 0, i8 1, i8 2, i8 3>, [[DOTSPLAT]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP3:%.*]] = shl i8 [[INDUCTION_IV]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLATINSERT1:%.*]] = insertelement <4 x i8> poison, i8 [[TMP3]], i64 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLAT2:%.*]] = shufflevector <4 x i8> [[DOTSPLATINSERT1]], <4 x i8> poison, <4 x i32> zeroinitializer
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND:%.*]] = phi <4 x i8> [ [[TMP2]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store <4 x i8> [[VEC_IND]], ptr [[TMP5]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND_NEXT]] = add <4 x i8> [[VEC_IND]], [[DOTSPLAT2]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 84
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[MIDDLE_BLOCK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 true, label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ 84, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IND_END4:%.*]] = mul i8 84, [[INDUCTION_IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLATINSERT8:%.*]] = insertelement <2 x i8> poison, i8 [[BC_RESUME_VAL]], i64 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLAT9:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT8]], <2 x i8> poison, <2 x i32> zeroinitializer
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLATINSERT10:%.*]] = insertelement <2 x i8> poison, i8 [[INDUCTION_IV]], i64 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLAT11:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT10]], <2 x i8> poison, <2 x i32> zeroinitializer
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP8:%.*]] = mul <2 x i8> <i8 0, i8 1>, [[DOTSPLAT11]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDUCTION12:%.*]] = add <2 x i8> [[DOTSPLAT9]], [[TMP8]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP9:%.*]] = shl i8 [[INDUCTION_IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLATINSERT13:%.*]] = insertelement <2 x i8> poison, i8 [[TMP9]], i64 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLAT14:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT13]], <2 x i8> poison, <2 x i32> zeroinitializer
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX7:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT18:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND15:%.*]] = phi <2 x i8> [ [[INDUCTION12]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT16:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[OFFSET_IDX17:%.*]] = add i64 1, [[INDEX7]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[OFFSET_IDX17]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store <2 x i8> [[VEC_IND15]], ptr [[TMP11]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX_NEXT18]] = add nuw i64 [[INDEX7]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND_NEXT16]] = add <2 x i8> [[VEC_IND15]], [[DOTSPLAT14]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT18]], 84
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[TMP13]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 true, label %[[OUTER_LATCH]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[BC_RESUME_VAL14:%.*]] = phi i64 [ 85, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 85, %[[VEC_EPILOG_ITER_CHECK]] ], [ 1, %[[ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[BC_RESUME_VAL15:%.*]] = phi i8 [ [[IND_END4]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[INNER:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[INNER]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL14]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[INNER]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_2:%.*]] = phi i8 [ [[BC_RESUME_VAL15]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[INNER]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_2_NEXT]] = sub i8 [[IV_2]], [[TRUNC_ADD]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store i8 [[IV_2]], ptr [[GEP_DST]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[EC:%.*]] = icmp ugt i64 [[IV]], 83
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[EC]], label %[[OUTER_LATCH]], label %[[INNER]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[OUTER_LATCH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[OUTER_IV_NEXT]] = add nuw nsw i64 [[OUTER_IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDVAR_NEXT]] = add i8 [[INDVAR]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDUCTION_IV_NEXT]] = add i8 [[INDUCTION_IV]], [[TMP1]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[ITER_CHECK]]
;
entry:
  br label %outer.header

outer.header:
  %outer.iv = phi i64 [ 2, %entry ], [ %outer.iv.next, %outer.latch ]
  %p2 = phi i32 [ -202, %entry ], [ %add, %outer.latch ]
  %trunc.iv  = trunc i64 %outer.iv to i32
  %add = add i32 %p2, %trunc.iv
  %trunc.add = trunc i32 %add to i8
  br label %inner

inner:
  %iv = phi i64 [ 1, %outer.header ], [ %iv.next, %inner ]
  %iv.2 = phi i8 [ 0, %outer.header ], [ %iv.2.next, %inner ]
  %iv.2.next = sub i8 %iv.2, %trunc.add
  %gep.dst = getelementptr inbounds i8, ptr %dst, i64 %iv
  store i8 %iv.2, ptr %gep.dst
  %iv.next = add nuw nsw i64 %iv, 1
  %ec = icmp ugt i64 %iv, 83
  br i1 %ec, label %outer.latch, label %inner

outer.latch:
  %outer.iv.next = add nuw nsw i64 %outer.iv, 1
  br label %outer.header
}

; Check handling of widened/truncated inductions.
define void @f4(ptr noalias %A, i32 signext %n) {
; CHECK-LABEL: define void @f4(
; CHECK-SAME: ptr noalias [[A:%.*]], i32 signext [[N:%.*]]) {
; CHECK-NEXT:  [[ITER_CHECK:.*]]:
; CHECK-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 8
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 8
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <8 x i32> [ <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP1:%.*]] = trunc <8 x i32> [[VEC_IND]] to <8 x i8>
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]
; CHECK-NEXT:    store <8 x i8> [[TMP1]], ptr [[TMP2]], align 1
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <8 x i32> [[VEC_IND]], splat (i32 8)
; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4
; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[N_MOD_VF2:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-NEXT:    [[N_VEC3:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF2]]
; CHECK-NEXT:    [[TMP5:%.*]] = trunc i64 [[VEC_EPILOG_RESUME_VAL]] to i32
; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i64 0
; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX6:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT9:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND7:%.*]] = phi <4 x i32> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT7:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP7:%.*]] = trunc <4 x i32> [[VEC_IND7]] to <4 x i8>
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX6]]
; CHECK-NEXT:    store <4 x i8> [[TMP7]], ptr [[TMP8]], align 1
; CHECK-NEXT:    [[INDEX_NEXT9]] = add nuw i64 [[INDEX6]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT7]] = add <4 x i32> [[VEC_IND7]], splat (i32 4)
; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT9]], [[N_VEC3]]
; CHECK-NEXT:    br i1 [[TMP10]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[CMP_N5:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC3]]
; CHECK-NEXT:    br i1 [[CMP_N5]], label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[LOOP:.*]]
; CHECK:       [[LOOP]]:
; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[TMP11:%.*]] = trunc i64 [[IV]] to i32
; CHECK-NEXT:    [[CONV:%.*]] = trunc i32 [[TMP11]] to i8
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]
; CHECK-NEXT:    store i8 [[CONV]], ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[WIDE_TRIP_COUNT]]
; CHECK-NEXT:    br i1 [[EXITCOND]], label %[[LOOP]], label %[[EXIT]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    ret void
;
; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @f4(
; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr noalias [[A:%.*]], i32 signext [[N:%.*]]) {
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:  [[ITER_CHECK:.*]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VECTOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP1:%.*]] = trunc <4 x i32> [[VEC_IND]] to <4 x i8>
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store <4 x i8> [[TMP1]], ptr [[TMP2]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 4)
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[MIDDLE_BLOCK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_MOD_VF2:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[N_VEC3:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF2]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP5:%.*]] = trunc i64 [[VEC_EPILOG_RESUME_VAL]] to i32
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP5]], i64 0
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX6:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT9:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND7:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT7:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP7:%.*]] = trunc <2 x i32> [[VEC_IND7]] to <2 x i8>
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDEX6]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store <2 x i8> [[TMP7]], ptr [[TMP8]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[INDEX_NEXT9]] = add nuw i64 [[INDEX6]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[VEC_IND_NEXT7]] = add <2 x i32> [[VEC_IND7]], splat (i32 2)
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT9]], [[N_VEC3]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[TMP10]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CMP_N5:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC3]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[CMP_N5]], label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC3]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[LOOP:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[LOOP]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[TMP11:%.*]] = trunc i64 [[IV]] to i32
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[CONV:%.*]] = trunc i32 [[TMP11]] to i8
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store i8 [[CONV]], ptr [[ARRAYIDX]], align 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[IV_NEXT]], [[WIDE_TRIP_COUNT]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[EXITCOND]], label %[[LOOP]], label %[[EXIT]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[EXIT]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    ret void
;
entry:
  %wide.trip.count = zext i32 %n to i64
  br label %loop

loop:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
  %0 = trunc i64 %iv to i32
  %conv = trunc i32 %0 to i8
  %arrayidx = getelementptr inbounds i8, ptr %A, i64 %iv
  store i8 %conv, ptr %arrayidx, align 1
  %iv.next = add nuw nsw i64 %iv, 1
  %exitcond = icmp ne i64 %iv.next, %wide.trip.count
  br i1 %exitcond, label %loop, label %exit

exit:
  ret void
}

define void @multiple_ivs_wide(ptr %dst) {
; CHECK-LABEL: define void @multiple_ivs_wide(
; CHECK-SAME: ptr [[DST:%.*]]) {
; CHECK-NEXT:  [[ITER_CHECK:.*]]:
; CHECK-NEXT:    br i1 false, label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    br i1 false, label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <8 x i32> [ <i32 -64, i32 -62, i32 -60, i32 -58, i32 -56, i32 -54, i32 -52, i32 -50>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = shl i32 [[INDEX]], 1
; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP0]], 2
; CHECK-NEXT:    [[TMP3:%.*]] = add i32 [[TMP0]], 4
; CHECK-NEXT:    [[TMP4:%.*]] = add i32 [[TMP0]], 6
; CHECK-NEXT:    [[TMP29:%.*]] = add i32 [[TMP0]], 8
; CHECK-NEXT:    [[TMP5:%.*]] = add i32 [[TMP0]], 10
; CHECK-NEXT:    [[TMP30:%.*]] = add i32 [[TMP0]], 12
; CHECK-NEXT:    [[TMP31:%.*]] = add i32 [[TMP0]], 14
; CHECK-NEXT:    [[TMP32:%.*]] = add <8 x i32> [[VEC_IND]], splat (i32 2)
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP0]]
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP2]]
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP3]]
; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP4]]
; CHECK-NEXT:    [[TMP36:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP29]]
; CHECK-NEXT:    [[TMP37:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP5]]
; CHECK-NEXT:    [[TMP38:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP30]]
; CHECK-NEXT:    [[TMP39:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP31]]
; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <8 x i32> [[TMP32]], i64 0
; CHECK-NEXT:    store i32 [[TMP10]], ptr [[TMP6]], align 4
; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <8 x i32> [[TMP32]], i64 1
; CHECK-NEXT:    store i32 [[TMP11]], ptr [[TMP7]], align 4
; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <8 x i32> [[TMP32]], i64 2
; CHECK-NEXT:    store i32 [[TMP12]], ptr [[TMP8]], align 4
; CHECK-NEXT:    [[TMP13:%.*]] = extractelement <8 x i32> [[TMP32]], i64 3
; CHECK-NEXT:    store i32 [[TMP13]], ptr [[TMP9]], align 4
; CHECK-NEXT:    [[TMP33:%.*]] = extractelement <8 x i32> [[TMP32]], i64 4
; CHECK-NEXT:    store i32 [[TMP33]], ptr [[TMP36]], align 4
; CHECK-NEXT:    [[TMP34:%.*]] = extractelement <8 x i32> [[TMP32]], i64 5
; CHECK-NEXT:    store i32 [[TMP34]], ptr [[TMP37]], align 4
; CHECK-NEXT:    [[TMP15:%.*]] = extractelement <8 x i32> [[TMP32]], i64 6
; CHECK-NEXT:    store i32 [[TMP15]], ptr [[TMP38]], align 4
; CHECK-NEXT:    [[TMP35:%.*]] = extractelement <8 x i32> [[TMP32]], i64 7
; CHECK-NEXT:    store i32 [[TMP35]], ptr [[TMP39]], align 4
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <8 x i32> [[VEC_IND]], splat (i32 16)
; CHECK-NEXT:    [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], 64
; CHECK-NEXT:    br i1 [[TMP14]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    br i1 true, label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    br i1 true, label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i32 [ 64, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i32 [ 64, %[[VEC_EPILOG_ITER_CHECK]] ], [ -64, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[BC_RESUME_VAL]], i64 0
; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 2, i32 4, i32 6>
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX1:%.*]] = phi i32 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT4:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND2:%.*]] = phi <4 x i32> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT3:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i32 [[INDEX1]], 1
; CHECK-NEXT:    [[TMP16:%.*]] = add i32 [[OFFSET_IDX]], 2
; CHECK-NEXT:    [[TMP17:%.*]] = add i32 [[OFFSET_IDX]], 4
; CHECK-NEXT:    [[TMP18:%.*]] = add i32 [[OFFSET_IDX]], 6
; CHECK-NEXT:    [[TMP19:%.*]] = add <4 x i32> [[VEC_IND2]], splat (i32 2)
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[OFFSET_IDX]]
; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP16]]
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP17]]
; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[TMP18]]
; CHECK-NEXT:    [[TMP24:%.*]] = extractelement <4 x i32> [[TMP19]], i64 0
; CHECK-NEXT:    store i32 [[TMP24]], ptr [[TMP20]], align 4
; CHECK-NEXT:    [[TMP25:%.*]] = extractelement <4 x i32> [[TMP19]], i64 1
; CHECK-NEXT:    store i32 [[TMP25]], ptr [[TMP21]], align 4
; CHECK-NEXT:    [[TMP26:%.*]] = extractelement <4 x i32> [[TMP19]], i64 2
; CHECK-NEXT:    store i32 [[TMP26]], ptr [[TMP22]], align 4
; CHECK-NEXT:    [[TMP27:%.*]] = extractelement <4 x i32> [[TMP19]], i64 3
; CHECK-NEXT:    store i32 [[TMP27]], ptr [[TMP23]], align 4
; CHECK-NEXT:    [[INDEX_NEXT4]] = add nuw i32 [[INDEX1]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], splat (i32 8)
; CHECK-NEXT:    [[TMP28:%.*]] = icmp eq i32 [[INDEX_NEXT4]], 64
; CHECK-NEXT:    br i1 [[TMP28]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    br i1 true, label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL6:%.*]] = phi i32 [ 128, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 128, %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL7:%.*]] = phi i32 [ 64, %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ 64, %[[VEC_EPILOG_ITER_CHECK]] ], [ -64, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[LOOP:.*]]
; CHECK:       [[LOOP]]:
; CHECK-NEXT:    [[IV:%.*]] = phi i32 [ [[BC_RESUME_VAL6]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL7]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[IV_NEXT]] = add i32 [[IV]], 2
; CHECK-NEXT:    [[IV_2_NEXT]] = add i32 [[IV_2]], 2
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[IV]]
; CHECK-NEXT:    store i32 [[IV_2_NEXT]], ptr [[GEP]], align 4
; CHECK-NEXT:    [[EC:%.*]] = icmp eq i32 [[IV_NEXT]], 128
; CHECK-NEXT:    br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP20:![0-9]+]]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    ret void
;
; CHECK-PROFITABLE-BY-DEFAULT-LABEL: define void @multiple_ivs_wide(
; CHECK-PROFITABLE-BY-DEFAULT-SAME: ptr [[DST:%.*]]) {
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:  [[ENTRY:.*]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br label %[[LOOP:.*]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[LOOP]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_2:%.*]] = phi i32 [ -64, %[[ENTRY]] ], [ [[IV_2_NEXT:%.*]], %[[LOOP]] ]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_NEXT]] = add i32 [[IV]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[IV_2_NEXT]] = add i32 [[IV_2]], 2
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr [[DST]], i32 [[IV]]
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    store i32 [[IV_2_NEXT]], ptr [[GEP]], align 4
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    [[EC:%.*]] = icmp eq i32 [[IV_NEXT]], 128
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    br i1 [[EC]], label %[[EXIT:.*]], label %[[LOOP]]
; CHECK-PROFITABLE-BY-DEFAULT:       [[EXIT]]:
; CHECK-PROFITABLE-BY-DEFAULT-NEXT:    ret void
;
entry:
  br label %loop

loop:
  %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
  %iv.2 = phi i32 [ -64, %entry ], [ %iv.2.next, %loop ]
  %iv.next = add i32 %iv, 2
  %iv.2.next = add i32 %iv.2, 2
  %gep = getelementptr inbounds i32, ptr %dst, i32 %iv
  store i32 %iv.2.next, ptr %gep, align 4
  %ec = icmp eq i32 %iv.next, 128
  br i1 %ec, label %exit, label %loop

exit:
  ret void
}
;.
; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK: [[PROF3]] = !{!"branch_weights", i32 4, i32 4}
; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}
; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]], [[META2]]}
; CHECK: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]]}
; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META2]]}
; CHECK: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}
; CHECK: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]}
; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]}
; CHECK: [[LOOP13]] = distinct !{[[LOOP13]], [[META1]], [[META2]]}
; CHECK: [[LOOP14]] = distinct !{[[LOOP14]], [[META2]], [[META1]]}
; CHECK: [[LOOP15]] = distinct !{[[LOOP15]], [[META1]], [[META2]]}
; CHECK: [[LOOP16]] = distinct !{[[LOOP16]], [[META1]], [[META2]]}
; CHECK: [[LOOP17]] = distinct !{[[LOOP17]], [[META2]], [[META1]]}
; CHECK: [[LOOP18]] = distinct !{[[LOOP18]], [[META1]], [[META2]]}
; CHECK: [[LOOP19]] = distinct !{[[LOOP19]], [[META1]], [[META2]]}
; CHECK: [[LOOP20]] = distinct !{[[LOOP20]], [[META2]], [[META1]]}
;.
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK-PROFITABLE-BY-DEFAULT: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK-PROFITABLE-BY-DEFAULT: [[PROF3]] = !{!"branch_weights", i32 2, i32 2}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]], [[META2]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP8]] = distinct !{[[LOOP8]], [[META2]], [[META1]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META2]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}
; CHECK-PROFITABLE-BY-DEFAULT: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]}
;.