; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S | FileCheck %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"

@c = common global [2048 x i32] zeroinitializer, align 16
@b = common global [2048 x i32] zeroinitializer, align 16
@d = common global [2048 x i32] zeroinitializer, align 16
@a = common global [2048 x i32] zeroinitializer, align 16

; The program below gathers and scatters data. We better not vectorize it.
define void @cost_model_1() nounwind uwtable noinline ssp {
; CHECK-LABEL: @cost_model_1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
; CHECK:       for.body:
; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = shl nsw i64 [[INDVARS_IV]], 1
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [2048 x i32], ptr @c, i64 0, i64 [[TMP0]]
; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX]], align 8
; CHECK-NEXT:    [[IDXPROM1:%.*]] = sext i32 [[TMP1]] to i64
; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds [2048 x i32], ptr @b, i64 0, i64 [[IDXPROM1]]
; CHECK-NEXT:    [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
; CHECK-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds [2048 x i32], ptr @d, i64 0, i64 [[INDVARS_IV]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX4]], align 4
; CHECK-NEXT:    [[IDXPROM5:%.*]] = sext i32 [[TMP3]] to i64
; CHECK-NEXT:    [[ARRAYIDX6:%.*]] = getelementptr inbounds [2048 x i32], ptr @a, i64 0, i64 [[IDXPROM5]]
; CHECK-NEXT:    store i32 [[TMP2]], ptr [[ARRAYIDX6]], align 4
; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
; CHECK-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], 256
; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; CHECK:       for.end:
; CHECK-NEXT:    ret void
;
entry:
  br label %for.body

for.body:                                         ; preds = %for.body, %entry
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %0 = shl nsw i64 %indvars.iv, 1
  %arrayidx = getelementptr inbounds [2048 x i32], ptr @c, i64 0, i64 %0
  %1 = load i32, ptr %arrayidx, align 8
  %idxprom1 = sext i32 %1 to i64
  %arrayidx2 = getelementptr inbounds [2048 x i32], ptr @b, i64 0, i64 %idxprom1
  %2 = load i32, ptr %arrayidx2, align 4
  %arrayidx4 = getelementptr inbounds [2048 x i32], ptr @d, i64 0, i64 %indvars.iv
  %3 = load i32, ptr %arrayidx4, align 4
  %idxprom5 = sext i32 %3 to i64
  %arrayidx6 = getelementptr inbounds [2048 x i32], ptr @a, i64 0, i64 %idxprom5
  store i32 %2, ptr %arrayidx6, align 4
  %indvars.iv.next = add i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, 256
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void
}

; This function uses a stride that is generally too big to benefit from vectorization without
; really good support for a gather load. But if we don't vectorize the pointer induction,
; then we don't need to extract the pointers out of vector of pointers,
; and the vectorization becomes profitable.

define float @PR27826(ptr nocapture readonly %a, ptr nocapture readonly %b, i32 %n) {
; CHECK-LABEL: @PR27826(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT:    br i1 [[CMP]], label [[ITER_CHECK:%.*]], label [[FOR_END:%.*]]
; CHECK:       iter.check:
; CHECK-NEXT:    [[T0:%.*]] = sext i32 [[N]] to i64
; CHECK-NEXT:    [[TMP0:%.*]] = add nsw i64 [[T0]], -1
; CHECK-NEXT:    [[TMP1:%.*]] = lshr i64 [[TMP0]], 5
; CHECK-NEXT:    [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 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 [[TMP2]], 16
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 16
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP2]], [[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_PHI:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP119:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI2:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP120:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP121:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP122:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 32
; CHECK-NEXT:    [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], 0
; CHECK-NEXT:    [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], 32
; CHECK-NEXT:    [[TMP5:%.*]] = add i64 [[OFFSET_IDX]], 64
; CHECK-NEXT:    [[TMP6:%.*]] = add i64 [[OFFSET_IDX]], 96
; CHECK-NEXT:    [[TMP7:%.*]] = add i64 [[OFFSET_IDX]], 128
; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[OFFSET_IDX]], 160
; CHECK-NEXT:    [[TMP9:%.*]] = add i64 [[OFFSET_IDX]], 192
; CHECK-NEXT:    [[TMP10:%.*]] = add i64 [[OFFSET_IDX]], 224
; CHECK-NEXT:    [[TMP11:%.*]] = add i64 [[OFFSET_IDX]], 256
; CHECK-NEXT:    [[TMP12:%.*]] = add i64 [[OFFSET_IDX]], 288
; CHECK-NEXT:    [[TMP13:%.*]] = add i64 [[OFFSET_IDX]], 320
; CHECK-NEXT:    [[TMP14:%.*]] = add i64 [[OFFSET_IDX]], 352
; CHECK-NEXT:    [[TMP15:%.*]] = add i64 [[OFFSET_IDX]], 384
; CHECK-NEXT:    [[TMP16:%.*]] = add i64 [[OFFSET_IDX]], 416
; CHECK-NEXT:    [[TMP17:%.*]] = add i64 [[OFFSET_IDX]], 448
; CHECK-NEXT:    [[TMP18:%.*]] = add i64 [[OFFSET_IDX]], 480
; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[TMP3]]
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP4]]
; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP5]]
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP6]]
; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP7]]
; CHECK-NEXT:    [[TMP24:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP8]]
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP9]]
; CHECK-NEXT:    [[TMP26:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP10]]
; CHECK-NEXT:    [[TMP27:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP11]]
; CHECK-NEXT:    [[TMP28:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP12]]
; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP13]]
; CHECK-NEXT:    [[TMP30:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP14]]
; CHECK-NEXT:    [[TMP31:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP15]]
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP16]]
; CHECK-NEXT:    [[TMP33:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP17]]
; CHECK-NEXT:    [[TMP34:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP18]]
; CHECK-NEXT:    [[TMP35:%.*]] = load float, ptr [[TMP19]], align 4
; CHECK-NEXT:    [[TMP36:%.*]] = load float, ptr [[TMP20]], align 4
; CHECK-NEXT:    [[TMP37:%.*]] = load float, ptr [[TMP21]], align 4
; CHECK-NEXT:    [[TMP38:%.*]] = load float, ptr [[TMP22]], align 4
; CHECK-NEXT:    [[TMP39:%.*]] = insertelement <4 x float> poison, float [[TMP35]], i32 0
; CHECK-NEXT:    [[TMP40:%.*]] = insertelement <4 x float> [[TMP39]], float [[TMP36]], i32 1
; CHECK-NEXT:    [[TMP41:%.*]] = insertelement <4 x float> [[TMP40]], float [[TMP37]], i32 2
; CHECK-NEXT:    [[TMP42:%.*]] = insertelement <4 x float> [[TMP41]], float [[TMP38]], i32 3
; CHECK-NEXT:    [[TMP43:%.*]] = load float, ptr [[TMP23]], align 4
; CHECK-NEXT:    [[TMP44:%.*]] = load float, ptr [[TMP24]], align 4
; CHECK-NEXT:    [[TMP45:%.*]] = load float, ptr [[TMP25]], align 4
; CHECK-NEXT:    [[TMP46:%.*]] = load float, ptr [[TMP26]], align 4
; CHECK-NEXT:    [[TMP47:%.*]] = insertelement <4 x float> poison, float [[TMP43]], i32 0
; CHECK-NEXT:    [[TMP48:%.*]] = insertelement <4 x float> [[TMP47]], float [[TMP44]], i32 1
; CHECK-NEXT:    [[TMP49:%.*]] = insertelement <4 x float> [[TMP48]], float [[TMP45]], i32 2
; CHECK-NEXT:    [[TMP50:%.*]] = insertelement <4 x float> [[TMP49]], float [[TMP46]], i32 3
; CHECK-NEXT:    [[TMP51:%.*]] = load float, ptr [[TMP27]], align 4
; CHECK-NEXT:    [[TMP52:%.*]] = load float, ptr [[TMP28]], align 4
; CHECK-NEXT:    [[TMP53:%.*]] = load float, ptr [[TMP29]], align 4
; CHECK-NEXT:    [[TMP54:%.*]] = load float, ptr [[TMP30]], align 4
; CHECK-NEXT:    [[TMP55:%.*]] = insertelement <4 x float> poison, float [[TMP51]], i32 0
; CHECK-NEXT:    [[TMP56:%.*]] = insertelement <4 x float> [[TMP55]], float [[TMP52]], i32 1
; CHECK-NEXT:    [[TMP57:%.*]] = insertelement <4 x float> [[TMP56]], float [[TMP53]], i32 2
; CHECK-NEXT:    [[TMP58:%.*]] = insertelement <4 x float> [[TMP57]], float [[TMP54]], i32 3
; CHECK-NEXT:    [[TMP59:%.*]] = load float, ptr [[TMP31]], align 4
; CHECK-NEXT:    [[TMP60:%.*]] = load float, ptr [[TMP32]], align 4
; CHECK-NEXT:    [[TMP61:%.*]] = load float, ptr [[TMP33]], align 4
; CHECK-NEXT:    [[TMP62:%.*]] = load float, ptr [[TMP34]], align 4
; CHECK-NEXT:    [[TMP63:%.*]] = insertelement <4 x float> poison, float [[TMP59]], i32 0
; CHECK-NEXT:    [[TMP64:%.*]] = insertelement <4 x float> [[TMP63]], float [[TMP60]], i32 1
; CHECK-NEXT:    [[TMP65:%.*]] = insertelement <4 x float> [[TMP64]], float [[TMP61]], i32 2
; CHECK-NEXT:    [[TMP66:%.*]] = insertelement <4 x float> [[TMP65]], float [[TMP62]], i32 3
; CHECK-NEXT:    [[TMP67:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], i64 [[TMP3]]
; CHECK-NEXT:    [[TMP68:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP4]]
; CHECK-NEXT:    [[TMP69:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP5]]
; CHECK-NEXT:    [[TMP70:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP6]]
; CHECK-NEXT:    [[TMP71:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP7]]
; CHECK-NEXT:    [[TMP72:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP8]]
; CHECK-NEXT:    [[TMP73:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP9]]
; CHECK-NEXT:    [[TMP74:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP10]]
; CHECK-NEXT:    [[TMP75:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP11]]
; CHECK-NEXT:    [[TMP76:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP12]]
; CHECK-NEXT:    [[TMP77:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP13]]
; CHECK-NEXT:    [[TMP78:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP14]]
; CHECK-NEXT:    [[TMP79:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP15]]
; CHECK-NEXT:    [[TMP80:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP16]]
; CHECK-NEXT:    [[TMP81:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP17]]
; CHECK-NEXT:    [[TMP82:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP18]]
; CHECK-NEXT:    [[TMP83:%.*]] = load float, ptr [[TMP67]], align 4
; CHECK-NEXT:    [[TMP84:%.*]] = load float, ptr [[TMP68]], align 4
; CHECK-NEXT:    [[TMP85:%.*]] = load float, ptr [[TMP69]], align 4
; CHECK-NEXT:    [[TMP86:%.*]] = load float, ptr [[TMP70]], align 4
; CHECK-NEXT:    [[TMP87:%.*]] = insertelement <4 x float> poison, float [[TMP83]], i32 0
; CHECK-NEXT:    [[TMP88:%.*]] = insertelement <4 x float> [[TMP87]], float [[TMP84]], i32 1
; CHECK-NEXT:    [[TMP89:%.*]] = insertelement <4 x float> [[TMP88]], float [[TMP85]], i32 2
; CHECK-NEXT:    [[TMP90:%.*]] = insertelement <4 x float> [[TMP89]], float [[TMP86]], i32 3
; CHECK-NEXT:    [[TMP91:%.*]] = load float, ptr [[TMP71]], align 4
; CHECK-NEXT:    [[TMP92:%.*]] = load float, ptr [[TMP72]], align 4
; CHECK-NEXT:    [[TMP93:%.*]] = load float, ptr [[TMP73]], align 4
; CHECK-NEXT:    [[TMP94:%.*]] = load float, ptr [[TMP74]], align 4
; CHECK-NEXT:    [[TMP95:%.*]] = insertelement <4 x float> poison, float [[TMP91]], i32 0
; CHECK-NEXT:    [[TMP96:%.*]] = insertelement <4 x float> [[TMP95]], float [[TMP92]], i32 1
; CHECK-NEXT:    [[TMP97:%.*]] = insertelement <4 x float> [[TMP96]], float [[TMP93]], i32 2
; CHECK-NEXT:    [[TMP98:%.*]] = insertelement <4 x float> [[TMP97]], float [[TMP94]], i32 3
; CHECK-NEXT:    [[TMP99:%.*]] = load float, ptr [[TMP75]], align 4
; CHECK-NEXT:    [[TMP100:%.*]] = load float, ptr [[TMP76]], align 4
; CHECK-NEXT:    [[TMP101:%.*]] = load float, ptr [[TMP77]], align 4
; CHECK-NEXT:    [[TMP102:%.*]] = load float, ptr [[TMP78]], align 4
; CHECK-NEXT:    [[TMP103:%.*]] = insertelement <4 x float> poison, float [[TMP99]], i32 0
; CHECK-NEXT:    [[TMP104:%.*]] = insertelement <4 x float> [[TMP103]], float [[TMP100]], i32 1
; CHECK-NEXT:    [[TMP105:%.*]] = insertelement <4 x float> [[TMP104]], float [[TMP101]], i32 2
; CHECK-NEXT:    [[TMP106:%.*]] = insertelement <4 x float> [[TMP105]], float [[TMP102]], i32 3
; CHECK-NEXT:    [[TMP107:%.*]] = load float, ptr [[TMP79]], align 4
; CHECK-NEXT:    [[TMP108:%.*]] = load float, ptr [[TMP80]], align 4
; CHECK-NEXT:    [[TMP109:%.*]] = load float, ptr [[TMP81]], align 4
; CHECK-NEXT:    [[TMP110:%.*]] = load float, ptr [[TMP82]], align 4
; CHECK-NEXT:    [[TMP111:%.*]] = insertelement <4 x float> poison, float [[TMP107]], i32 0
; CHECK-NEXT:    [[TMP112:%.*]] = insertelement <4 x float> [[TMP111]], float [[TMP108]], i32 1
; CHECK-NEXT:    [[TMP113:%.*]] = insertelement <4 x float> [[TMP112]], float [[TMP109]], i32 2
; CHECK-NEXT:    [[TMP114:%.*]] = insertelement <4 x float> [[TMP113]], float [[TMP110]], i32 3
; CHECK-NEXT:    [[TMP115:%.*]] = fadd fast <4 x float> [[TMP42]], [[VEC_PHI]]
; CHECK-NEXT:    [[TMP116:%.*]] = fadd fast <4 x float> [[TMP50]], [[VEC_PHI2]]
; CHECK-NEXT:    [[TMP117:%.*]] = fadd fast <4 x float> [[TMP58]], [[VEC_PHI3]]
; CHECK-NEXT:    [[TMP118:%.*]] = fadd fast <4 x float> [[TMP66]], [[VEC_PHI4]]
; CHECK-NEXT:    [[TMP119]] = fadd fast <4 x float> [[TMP115]], [[TMP90]]
; CHECK-NEXT:    [[TMP120]] = fadd fast <4 x float> [[TMP116]], [[TMP98]]
; CHECK-NEXT:    [[TMP121]] = fadd fast <4 x float> [[TMP117]], [[TMP106]]
; CHECK-NEXT:    [[TMP122]] = fadd fast <4 x float> [[TMP118]], [[TMP114]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-NEXT:    [[TMP123:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP123]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[BIN_RDX:%.*]] = fadd fast <4 x float> [[TMP120]], [[TMP119]]
; CHECK-NEXT:    [[BIN_RDX5:%.*]] = fadd fast <4 x float> [[TMP121]], [[BIN_RDX]]
; CHECK-NEXT:    [[BIN_RDX6:%.*]] = fadd fast <4 x float> [[TMP122]], [[BIN_RDX5]]
; CHECK-NEXT:    [[TMP124:%.*]] = call fast float @llvm.vector.reduce.fadd.v4f32(float 0.000000e+00, <4 x float> [[BIN_RDX6]])
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[VEC_EPILOG_ITER_CHECK:%.*]]
; CHECK:       vec.epilog.iter.check:
; CHECK-NEXT:    [[IND_END9:%.*]] = mul i64 [[N_VEC]], 32
; 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:    [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP124]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0.000000e+00, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[N_MOD_VF7:%.*]] = urem i64 [[TMP2]], 4
; CHECK-NEXT:    [[N_VEC8:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF7]]
; CHECK-NEXT:    [[IND_END:%.*]] = mul i64 [[N_VEC8]], 32
; CHECK-NEXT:    [[TMP125:%.*]] = insertelement <4 x float> zeroinitializer, float [[BC_MERGE_RDX]], i32 0
; CHECK-NEXT:    br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
; CHECK:       vec.epilog.vector.body:
; CHECK-NEXT:    [[INDEX10:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT13:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI11:%.*]] = phi <4 x float> [ [[TMP125]], [[VEC_EPILOG_PH]] ], [ [[TMP155:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX12:%.*]] = mul i64 [[INDEX10]], 32
; CHECK-NEXT:    [[TMP126:%.*]] = add i64 [[OFFSET_IDX12]], 0
; CHECK-NEXT:    [[TMP127:%.*]] = add i64 [[OFFSET_IDX12]], 32
; CHECK-NEXT:    [[TMP128:%.*]] = add i64 [[OFFSET_IDX12]], 64
; CHECK-NEXT:    [[TMP129:%.*]] = add i64 [[OFFSET_IDX12]], 96
; CHECK-NEXT:    [[TMP130:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP126]]
; CHECK-NEXT:    [[TMP131:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP127]]
; CHECK-NEXT:    [[TMP132:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP128]]
; CHECK-NEXT:    [[TMP133:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP129]]
; CHECK-NEXT:    [[TMP134:%.*]] = load float, ptr [[TMP130]], align 4
; CHECK-NEXT:    [[TMP135:%.*]] = load float, ptr [[TMP131]], align 4
; CHECK-NEXT:    [[TMP136:%.*]] = load float, ptr [[TMP132]], align 4
; CHECK-NEXT:    [[TMP137:%.*]] = load float, ptr [[TMP133]], align 4
; CHECK-NEXT:    [[TMP138:%.*]] = insertelement <4 x float> poison, float [[TMP134]], i32 0
; CHECK-NEXT:    [[TMP139:%.*]] = insertelement <4 x float> [[TMP138]], float [[TMP135]], i32 1
; CHECK-NEXT:    [[TMP140:%.*]] = insertelement <4 x float> [[TMP139]], float [[TMP136]], i32 2
; CHECK-NEXT:    [[TMP141:%.*]] = insertelement <4 x float> [[TMP140]], float [[TMP137]], i32 3
; CHECK-NEXT:    [[TMP142:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP126]]
; CHECK-NEXT:    [[TMP143:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP127]]
; CHECK-NEXT:    [[TMP144:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP128]]
; CHECK-NEXT:    [[TMP145:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[TMP129]]
; CHECK-NEXT:    [[TMP146:%.*]] = load float, ptr [[TMP142]], align 4
; CHECK-NEXT:    [[TMP147:%.*]] = load float, ptr [[TMP143]], align 4
; CHECK-NEXT:    [[TMP148:%.*]] = load float, ptr [[TMP144]], align 4
; CHECK-NEXT:    [[TMP149:%.*]] = load float, ptr [[TMP145]], align 4
; CHECK-NEXT:    [[TMP150:%.*]] = insertelement <4 x float> poison, float [[TMP146]], i32 0
; CHECK-NEXT:    [[TMP151:%.*]] = insertelement <4 x float> [[TMP150]], float [[TMP147]], i32 1
; CHECK-NEXT:    [[TMP152:%.*]] = insertelement <4 x float> [[TMP151]], float [[TMP148]], i32 2
; CHECK-NEXT:    [[TMP153:%.*]] = insertelement <4 x float> [[TMP152]], float [[TMP149]], i32 3
; CHECK-NEXT:    [[TMP154:%.*]] = fadd fast <4 x float> [[TMP141]], [[VEC_PHI11]]
; CHECK-NEXT:    [[TMP155]] = fadd fast <4 x float> [[TMP154]], [[TMP153]]
; CHECK-NEXT:    [[INDEX_NEXT13]] = add nuw i64 [[INDEX10]], 4
; CHECK-NEXT:    [[TMP156:%.*]] = icmp eq i64 [[INDEX_NEXT13]], [[N_VEC8]]
; CHECK-NEXT:    br i1 [[TMP156]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK:       vec.epilog.middle.block:
; CHECK-NEXT:    [[TMP157:%.*]] = call fast float @llvm.vector.reduce.fadd.v4f32(float 0.000000e+00, <4 x float> [[TMP155]])
; CHECK-NEXT:    [[CMP_N14:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC8]]
; CHECK-NEXT:    br i1 [[CMP_N14]], label [[LOOPEXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK:       vec.epilog.scalar.ph:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[IND_END9]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_MERGE_RDX15:%.*]] = phi float [ [[TMP157]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[TMP124]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0.000000e+00, [[ITER_CHECK]] ]
; CHECK-NEXT:    br label [[FOR:%.*]]
; CHECK:       for:
; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR]] ]
; CHECK-NEXT:    [[S_02:%.*]] = phi float [ [[BC_MERGE_RDX15]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[ADD4:%.*]], [[FOR]] ]
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    [[T1:%.*]] = load float, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDVARS_IV]]
; CHECK-NEXT:    [[T2:%.*]] = load float, ptr [[ARRAYIDX3]], align 4
; CHECK-NEXT:    [[ADD:%.*]] = fadd fast float [[T1]], [[S_02]]
; CHECK-NEXT:    [[ADD4]] = fadd fast float [[ADD]], [[T2]]
; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 32
; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i64 [[INDVARS_IV_NEXT]], [[T0]]
; CHECK-NEXT:    br i1 [[CMP1]], label [[FOR]], label [[LOOPEXIT]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK:       loopexit:
; CHECK-NEXT:    [[ADD4_LCSSA:%.*]] = phi float [ [[ADD4]], [[FOR]] ], [ [[TMP124]], [[MIDDLE_BLOCK]] ], [ [[TMP157]], [[VEC_EPILOG_MIDDLE_BLOCK]] ]
; CHECK-NEXT:    br label [[FOR_END]]
; CHECK:       for.end:
; CHECK-NEXT:    [[S_0_LCSSA:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[ADD4_LCSSA]], [[LOOPEXIT]] ]
; CHECK-NEXT:    ret float [[S_0_LCSSA]]
;
entry:
  %cmp = icmp sgt i32 %n, 0
  br i1 %cmp, label %preheader, label %for.end

preheader:
  %t0 = sext i32 %n to i64
  br label %for

for:
  %indvars.iv = phi i64 [ 0, %preheader ], [ %indvars.iv.next, %for ]
  %s.02 = phi float [ 0.0, %preheader ], [ %add4, %for ]
  %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv
  %t1 = load float, ptr %arrayidx, align 4
  %arrayidx3 = getelementptr inbounds float, ptr %b, i64 %indvars.iv
  %t2 = load float, ptr %arrayidx3, align 4
  %add = fadd fast float %t1, %s.02
  %add4 = fadd fast float %add, %t2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 32
  %cmp1 = icmp slt i64 %indvars.iv.next, %t0
  br i1 %cmp1, label %for, label %loopexit

loopexit:
  %add4.lcssa = phi float [ %add4, %for ]
  br label %for.end

for.end:
  %s.0.lcssa = phi float [ 0.0, %entry ], [ %add4.lcssa, %loopexit ]
  ret float %s.0.lcssa
}

define void @multi_exit(ptr %dst, ptr %src.1, ptr %src.2, i64 %A, i64 %B) #0 {
; CHECK-LABEL: @multi_exit(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[UMAX6:%.*]] = call i64 @llvm.umax.i64(i64 [[B:%.*]], i64 1)
; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[UMAX6]], -1
; CHECK-NEXT:    [[TMP1:%.*]] = freeze i64 [[TMP0]]
; CHECK-NEXT:    [[UMIN7:%.*]] = call i64 @llvm.umin.i64(i64 [[TMP1]], i64 [[A:%.*]])
; CHECK-NEXT:    [[TMP2:%.*]] = add nuw i64 [[UMIN7]], 1
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[TMP2]], 28
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
; CHECK:       vector.scevcheck:
; CHECK-NEXT:    [[UMAX:%.*]] = call i64 @llvm.umax.i64(i64 [[B]], i64 1)
; CHECK-NEXT:    [[TMP3:%.*]] = add i64 [[UMAX]], -1
; CHECK-NEXT:    [[TMP4:%.*]] = freeze i64 [[TMP3]]
; CHECK-NEXT:    [[UMIN:%.*]] = call i64 @llvm.umin.i64(i64 [[TMP4]], i64 [[A]])
; CHECK-NEXT:    [[TMP6:%.*]] = trunc i64 [[UMIN]] to i32
; CHECK-NEXT:    [[TMP7:%.*]] = add i32 1, [[TMP6]]
; CHECK-NEXT:    [[TMP8:%.*]] = icmp ult i32 [[TMP7]], 1
; CHECK-NEXT:    [[TMP9:%.*]] = icmp ugt i64 [[UMIN]], 4294967295
; CHECK-NEXT:    [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
; CHECK-NEXT:    br i1 [[TMP10]], label [[SCALAR_PH]], label [[VECTOR_MEMCHECK:%.*]]
; CHECK:       vector.memcheck:
; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i8, ptr [[DST:%.*]], i64 1
; CHECK-NEXT:    [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[SRC_1:%.*]], i64 8
; CHECK-NEXT:    [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[SRC_2:%.*]], i64 8
; CHECK-NEXT:    [[BOUND0:%.*]] = icmp ult ptr [[DST]], [[SCEVGEP1]]
; CHECK-NEXT:    [[BOUND1:%.*]] = icmp ult ptr [[SRC_1]], [[SCEVGEP]]
; CHECK-NEXT:    [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
; CHECK-NEXT:    [[BOUND03:%.*]] = icmp ult ptr [[DST]], [[SCEVGEP2]]
; CHECK-NEXT:    [[BOUND14:%.*]] = icmp ult ptr [[SRC_2]], [[SCEVGEP]]
; CHECK-NEXT:    [[FOUND_CONFLICT5:%.*]] = and i1 [[BOUND03]], [[BOUND14]]
; CHECK-NEXT:    [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT5]]
; CHECK-NEXT:    br i1 [[CONFLICT_RDX]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
; CHECK-NEXT:    [[TMP12:%.*]] = select i1 [[TMP11]], i64 4, i64 [[N_MOD_VF]]
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP2]], [[TMP12]]
; CHECK-NEXT:    [[IND_END:%.*]] = 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:    [[TMP13:%.*]] = load i64, ptr [[SRC_1]], align 8, !alias.scope [[META6:![0-9]+]]
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[TMP13]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP14:%.*]] = load i64, ptr [[SRC_2]], align 8, !alias.scope [[META9:![0-9]+]]
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT9:%.*]] = insertelement <2 x i64> poison, i64 [[TMP14]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT10:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT9]], <2 x i64> poison, <2 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq <2 x i64> [[BROADCAST_SPLAT]], zeroinitializer
; CHECK-NEXT:    [[TMP16:%.*]] = icmp ne <2 x i64> [[BROADCAST_SPLAT10]], zeroinitializer
; CHECK-NEXT:    [[TMP17:%.*]] = and <2 x i1> [[TMP16]], [[TMP15]]
; CHECK-NEXT:    [[TMP18:%.*]] = zext <2 x i1> [[TMP17]] to <2 x i8>
; CHECK-NEXT:    [[TMP19:%.*]] = extractelement <2 x i8> [[TMP18]], i32 1
; CHECK-NEXT:    store i8 [[TMP19]], ptr [[DST]], align 1, !alias.scope [[META11:![0-9]+]], !noalias [[META13:![0-9]+]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT:    [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    br label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL8:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ]
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[IV_1_WIDE:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_1_NEXT_WIDE:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT:    [[IV_1:%.*]] = phi i32 [ [[BC_RESUME_VAL8]], [[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP_LATCH]] ]
; CHECK-NEXT:    [[EC_1:%.*]] = icmp ult i64 [[IV_1_WIDE]], [[A]]
; CHECK-NEXT:    br i1 [[EC_1]], label [[LOOP_LATCH]], label [[EXIT:%.*]]
; CHECK:       loop.latch:
; CHECK-NEXT:    [[L_1:%.*]] = load i64, ptr [[SRC_1]], align 8
; CHECK-NEXT:    [[L_2:%.*]] = load i64, ptr [[SRC_2]], align 8
; CHECK-NEXT:    [[CMP55_US:%.*]] = icmp eq i64 [[L_1]], 0
; CHECK-NEXT:    [[CMP_I_US:%.*]] = icmp ne i64 [[L_2]], 0
; CHECK-NEXT:    [[AND:%.*]] = and i1 [[CMP_I_US]], [[CMP55_US]]
; CHECK-NEXT:    [[EXT:%.*]] = zext i1 [[AND]] to i8
; CHECK-NEXT:    store i8 [[EXT]], ptr [[DST]], align 1
; CHECK-NEXT:    [[IV_1_NEXT]] = add i32 [[IV_1]], 1
; CHECK-NEXT:    [[IV_1_NEXT_WIDE]] = zext i32 [[IV_1_NEXT]] to i64
; CHECK-NEXT:    [[EC_2:%.*]] = icmp ult i64 [[IV_1_NEXT_WIDE]], [[B]]
; CHECK-NEXT:    br i1 [[EC_2]], label [[LOOP]], label [[EXIT]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK:       exit:
; CHECK-NEXT:    ret void
;
entry:
  br label %loop

loop:
  %iv.1.wide = phi i64 [ 0, %entry ], [ %iv.1.next.wide, %loop.latch ]
  %iv.1 = phi i32 [ 0, %entry ], [ %iv.1.next, %loop.latch ]
  %ec.1 = icmp ult i64 %iv.1.wide, %A
  br i1 %ec.1, label %loop.latch, label %exit

loop.latch:
  %l.1 = load i64, ptr %src.1, align 8
  %l.2 = load i64, ptr %src.2, align 8
  %cmp55.us = icmp eq i64 %l.1, 0
  %cmp.i.us = icmp ne i64 %l.2, 0
  %and = and i1 %cmp.i.us, %cmp55.us
  %ext = zext i1 %and to i8
  store i8 %ext, ptr %dst, align 1
  %iv.1.next = add i32 %iv.1, 1
  %iv.1.next.wide = zext i32 %iv.1.next to i64
  %ec.2 = icmp ult i64 %iv.1.next.wide, %B
  br i1 %ec.2, label %loop, label %exit

exit:
  ret void
}

define i1 @any_of_cost(ptr %start, ptr %end) #0 {
; CHECK-LABEL: @any_of_cost(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[START2:%.*]] = ptrtoint ptr [[START:%.*]] to i64
; CHECK-NEXT:    [[END1:%.*]] = ptrtoint ptr [[END:%.*]] to i64
; CHECK-NEXT:    [[TMP0:%.*]] = sub i64 [[END1]], [[START2]]
; CHECK-NEXT:    [[TMP1:%.*]] = udiv i64 [[TMP0]], 40
; CHECK-NEXT:    [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[TMP2]], 4
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
; CHECK-NEXT:    [[TMP4:%.*]] = select i1 [[TMP3]], i64 4, i64 [[N_MOD_VF]]
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP2]], [[TMP4]]
; CHECK-NEXT:    [[TMP5:%.*]] = mul i64 [[N_VEC]], 40
; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP5]]
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <2 x i1> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP26:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi <2 x i1> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP27:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 40
; CHECK-NEXT:    [[TMP6:%.*]] = add i64 [[OFFSET_IDX]], 0
; CHECK-NEXT:    [[TMP7:%.*]] = add i64 [[OFFSET_IDX]], 40
; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[OFFSET_IDX]], 80
; CHECK-NEXT:    [[TMP9:%.*]] = add i64 [[OFFSET_IDX]], 120
; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP6]]
; CHECK-NEXT:    [[NEXT_GEP4:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP7]]
; CHECK-NEXT:    [[NEXT_GEP5:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP8]]
; CHECK-NEXT:    [[NEXT_GEP6:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP9]]
; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i8, ptr [[NEXT_GEP]], i64 8
; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i8, ptr [[NEXT_GEP4]], i64 8
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr i8, ptr [[NEXT_GEP5]], i64 8
; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr i8, ptr [[NEXT_GEP6]], i64 8
; CHECK-NEXT:    [[TMP14:%.*]] = load ptr, ptr [[TMP10]], align 8
; CHECK-NEXT:    [[TMP15:%.*]] = load ptr, ptr [[TMP11]], align 8
; CHECK-NEXT:    [[TMP16:%.*]] = insertelement <2 x ptr> poison, ptr [[TMP14]], i32 0
; CHECK-NEXT:    [[TMP17:%.*]] = insertelement <2 x ptr> [[TMP16]], ptr [[TMP15]], i32 1
; CHECK-NEXT:    [[TMP18:%.*]] = load ptr, ptr [[TMP12]], align 8
; CHECK-NEXT:    [[TMP19:%.*]] = load ptr, ptr [[TMP13]], align 8
; CHECK-NEXT:    [[TMP20:%.*]] = insertelement <2 x ptr> poison, ptr [[TMP18]], i32 0
; CHECK-NEXT:    [[TMP21:%.*]] = insertelement <2 x ptr> [[TMP20]], ptr [[TMP19]], i32 1
; CHECK-NEXT:    [[TMP24:%.*]] = icmp ne <2 x ptr> [[TMP17]], zeroinitializer
; CHECK-NEXT:    [[TMP25:%.*]] = icmp ne <2 x ptr> [[TMP21]], zeroinitializer
; CHECK-NEXT:    [[TMP26]] = or <2 x i1> [[VEC_PHI]], [[TMP24]]
; CHECK-NEXT:    [[TMP27]] = or <2 x i1> [[VEC_PHI3]], [[TMP25]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT:    [[TMP28:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP28]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[BIN_RDX:%.*]] = or <2 x i1> [[TMP27]], [[TMP26]]
; CHECK-NEXT:    [[TMP29:%.*]] = call i1 @llvm.vector.reduce.or.v2i1(<2 x i1> [[BIN_RDX]])
; CHECK-NEXT:    [[TMP30:%.*]] = freeze i1 [[TMP29]]
; CHECK-NEXT:    [[RDX_SELECT:%.*]] = select i1 [[TMP30]], i1 false, i1 false
; CHECK-NEXT:    br label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i1 [ [[RDX_SELECT]], [[MIDDLE_BLOCK]] ], [ false, [[ENTRY:%.*]] ]
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[START]], [[ENTRY]] ]
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[ANY_OF:%.*]] = phi i1 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[ANY_OF_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[PTR_IV:%.*]] = phi ptr [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[PTR_IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i8, ptr [[PTR_IV]], i64 8
; CHECK-NEXT:    [[L:%.*]] = load ptr, ptr [[GEP]], align 8
; CHECK-NEXT:    [[CMP13_NOT_NOT:%.*]] = icmp eq ptr [[L]], null
; CHECK-NEXT:    [[ANY_OF_NEXT]] = select i1 [[CMP13_NOT_NOT]], i1 [[ANY_OF]], i1 false
; CHECK-NEXT:    [[PTR_IV_NEXT]] = getelementptr inbounds i8, ptr [[PTR_IV]], i64 40
; CHECK-NEXT:    [[CMP_NOT:%.*]] = icmp eq ptr [[PTR_IV]], [[END]]
; CHECK-NEXT:    br i1 [[CMP_NOT]], label [[EXIT:%.*]], label [[LOOP]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK:       exit:
; CHECK-NEXT:    [[ANY_OF_NEXT_LCSSA:%.*]] = phi i1 [ [[ANY_OF_NEXT]], [[LOOP]] ]
; CHECK-NEXT:    ret i1 [[ANY_OF_NEXT_LCSSA]]
;
entry:
  br label %loop

loop:
  %any.of = phi i1 [ false, %entry ], [ %any.of.next, %loop ]
  %ptr.iv = phi ptr [ %start, %entry ], [ %ptr.iv.next, %loop ]
  %gep = getelementptr i8, ptr %ptr.iv, i64 8
  %l = load ptr, ptr %gep, align 8
  %cmp13.not.not = icmp eq ptr %l, null
  %any.of.next = select i1 %cmp13.not.not, i1 %any.of, i1 false
  %ptr.iv.next = getelementptr inbounds i8, ptr %ptr.iv, i64 40
  %cmp.not = icmp eq ptr %ptr.iv, %end
  br i1 %cmp.not, label %exit, label %loop

exit:
  ret i1 %any.of.next
}

define i64 @cost_assume(ptr %end, i64 %N) {
; CHECK-LABEL: @cost_assume(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[END1:%.*]] = ptrtoint ptr [[END:%.*]] to i64
; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[END1]], -9
; CHECK-NEXT:    [[TMP1:%.*]] = udiv i64 [[TMP0]], 9
; CHECK-NEXT:    [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 8
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 8
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
; CHECK-NEXT:    [[TMP11:%.*]] = icmp ne i64 [[N:%.*]], 0
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI2:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP7]] = add <2 x i64> [[VEC_PHI]], splat (i64 1)
; CHECK-NEXT:    [[TMP8]] = add <2 x i64> [[VEC_PHI2]], splat (i64 1)
; CHECK-NEXT:    [[TMP9]] = add <2 x i64> [[VEC_PHI3]], splat (i64 1)
; CHECK-NEXT:    [[TMP10]] = add <2 x i64> [[VEC_PHI4]], splat (i64 1)
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP11]])
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; CHECK-NEXT:    [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[BIN_RDX:%.*]] = add <2 x i64> [[TMP8]], [[TMP7]]
; CHECK-NEXT:    [[BIN_RDX5:%.*]] = add <2 x i64> [[TMP9]], [[BIN_RDX]]
; CHECK-NEXT:    [[BIN_RDX6:%.*]] = add <2 x i64> [[TMP10]], [[BIN_RDX5]]
; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[BIN_RDX6]])
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i64 [ [[TMP14]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[TMP15:%.*]] = phi i64 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP12:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[TMP12]] = add i64 [[TMP15]], 1
; CHECK-NEXT:    [[IV_NEXT]] = add nsw i64 [[IV]], 1
; CHECK-NEXT:    [[C:%.*]] = icmp ne i64 [[N]], 0
; CHECK-NEXT:    tail call void @llvm.assume(i1 [[C]])
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr nusw [9 x i8], ptr null, i64 [[IV_NEXT]]
; CHECK-NEXT:    [[EC:%.*]] = icmp eq ptr [[GEP]], [[END]]
; CHECK-NEXT:    br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK:       exit:
; CHECK-NEXT:    [[DOTLCSSA:%.*]] = phi i64 [ [[TMP12]], [[LOOP]] ], [ [[TMP14]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i64 [[DOTLCSSA]]
;
entry:
  br label %loop

loop:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
  %0 = phi i64 [ 0, %entry ], [ %1, %loop ]
  %1 = add i64 %0, 1
  %iv.next = add nsw i64 %iv, 1
  %c = icmp ne i64 %N, 0
  tail call void @llvm.assume(i1 %c)
  %gep = getelementptr nusw [ 9 x i8 ], ptr null, i64 %iv.next
  %ec = icmp eq ptr %gep, %end
  br i1 %ec, label %exit, label %loop

exit:
  ret i64 %1
}

; Test case for https://github.com/llvm/llvm-project/issues/96294 with a stored
; reduction which overwrites an earlier store.
define void @reduction_store(ptr noalias %src, ptr %dst, i1 %x) #2 {
; CHECK-LABEL: @reduction_store(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i1> poison, i1 [[X:%.*]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i1> [[BROADCAST_SPLATINSERT]], <4 x i1> poison, <4 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP0:%.*]] = zext <4 x i1> [[BROADCAST_SPLAT]] to <4 x i64>
; CHECK-NEXT:    [[TMP1:%.*]] = lshr <4 x i64> [[TMP0]], splat (i64 12)
; CHECK-NEXT:    [[TMP2:%.*]] = trunc <4 x i64> [[TMP1]] to <4 x i32>
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 0, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI1:%.*]] = phi <4 x i32> [ splat (i32 -1), [[VECTOR_PH]] ], [ [[TMP12:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP11]] = and <4 x i32> [[VEC_PHI]], [[TMP2]]
; CHECK-NEXT:    [[TMP12]] = and <4 x i32> [[VEC_PHI1]], [[TMP2]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT]], 24
; CHECK-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[BIN_RDX:%.*]] = and <4 x i32> [[TMP12]], [[TMP11]]
; CHECK-NEXT:    [[TMP10:%.*]] = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> [[BIN_RDX]])
; CHECK-NEXT:    store i32 [[TMP10]], ptr [[DST:%.*]], align 4
; CHECK-NEXT:    br label [[SCALAR_PH:%.*]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[RED:%.*]] = phi i32 [ [[TMP10]], [[SCALAR_PH]] ], [ [[RED_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[IV:%.*]] = phi i32 [ 24, [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[GEP_SRC:%.*]] = getelementptr inbounds i32, ptr [[SRC:%.*]], i32 [[IV]]
; CHECK-NEXT:    [[L:%.*]] = load i32, ptr [[GEP_SRC]], align 4
; CHECK-NEXT:    [[L_AND:%.*]] = and i32 [[L]], 3
; CHECK-NEXT:    store i32 [[L_AND]], ptr [[DST]], align 4
; CHECK-NEXT:    [[X_EXT:%.*]] = zext i1 [[X]] to i64
; CHECK-NEXT:    [[LSHR:%.*]] = lshr i64 [[X_EXT]], 12
; CHECK-NEXT:    [[T:%.*]] = trunc i64 [[LSHR]] to i32
; CHECK-NEXT:    [[RED_NEXT]] = and i32 [[RED]], [[T]]
; CHECK-NEXT:    store i32 [[RED_NEXT]], ptr [[DST]], align 4
; CHECK-NEXT:    [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT:    [[EC:%.*]] = icmp eq i32 [[IV]], 29
; CHECK-NEXT:    br i1 [[EC]], label [[EXIT:%.*]], label [[LOOP]], !llvm.loop [[LOOP21:![0-9]+]]
; CHECK:       exit:
; CHECK-NEXT:    ret void
;
entry:
  br label %loop

loop:
  %red = phi i32 [ 0, %entry ], [ %red.next, %loop ]
  %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
  %gep.src = getelementptr inbounds i32, ptr %src, i32 %iv
  %l = load i32, ptr %gep.src
  %l.and = and i32 %l, 3
  store i32 %l.and, ptr %dst, align 4
  %x.ext = zext i1 %x to i64
  %lshr = lshr i64 %x.ext, 12
  %t = trunc i64 %lshr to i32
  %red.next = and i32 %red, %t
  store i32 %red.next, ptr %dst, align 4
  %iv.next = add i32 %iv, 1
  %ec = icmp eq i32 %iv, 29
  br i1 %ec, label %exit, label %loop

exit:
  ret void
}

; Test case for https://github.com/llvm/llvm-project/issues/105722.
define i64 @live_in_known_1_via_scev() {
; CHECK-LABEL: @live_in_known_1_via_scev(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[SEL:%.*]] = select i1 false, i32 3, i32 0
; CHECK-NEXT:    br label [[PH:%.*]]
; CHECK:       ph:
; CHECK-NEXT:    [[P:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ]
; CHECK-NEXT:    [[N:%.*]] = add nuw nsw i32 [[SEL]], 6
; CHECK-NEXT:    [[P_EXT:%.*]] = zext nneg i32 [[P]] to i64
; CHECK-NEXT:    br 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_PHI:%.*]] = phi <4 x i64> [ <i64 3, i64 1, i64 1, i64 1>, [[VECTOR_PH]] ], [ [[VEC_PHI]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
; CHECK-NEXT:    [[TMP0:%.*]] = icmp eq i32 [[INDEX_NEXT]], 8
; CHECK-NEXT:    br i1 [[TMP0]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.vector.reduce.mul.v4i64(<4 x i64> [[VEC_PHI]])
; CHECK-NEXT:    br label [[EXIT:%.*]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[IV:%.*]] = phi i32 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[RED:%.*]] = phi i64 [ 3, [[SCALAR_PH]] ], [ [[RED_MUL:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[RED_MUL]] = mul nsw i64 [[RED]], [[P_EXT]]
; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; CHECK-NEXT:    [[EC:%.*]] = icmp eq i32 [[IV_NEXT]], [[N]]
; CHECK-NEXT:    br i1 [[EC]], label [[EXIT]], label [[LOOP]]
; CHECK:       exit:
; CHECK-NEXT:    [[RES:%.*]] = phi i64 [ [[RED_MUL]], [[LOOP]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i64 [[RES]]
;
entry:
  %sel = select i1 false, i32 3, i32 0
  br label %ph

ph:
  %p = phi i32 [ 1, %entry ]
  %N = add nuw nsw i32 %sel, 6
  %p.ext = zext nneg i32 %p to i64
  br label %loop

loop:
  %iv = phi i32 [ 0, %ph ], [ %iv.next, %loop ]
  %red = phi i64 [ 3, %ph ], [ %red.mul,  %loop ]
  %red.mul = mul nsw i64 %red, %p.ext
  %iv.next = add nuw nsw i32 %iv, 1
  %ec = icmp eq i32 %iv.next, %N
  br i1 %ec, label %exit, label %loop

exit:
  %res = phi i64 [ %red.mul, %loop ]
  ret i64 %res
}

; Test case for https://github.com/llvm/llvm-project/issues/107501.
define i64 @cost_loop_invariant_recipes(i1 %x, i64 %y) {
; CHECK-LABEL: @cost_loop_invariant_recipes(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <2 x i64> poison, i64 [[Y:%.*]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT2:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT1]], <2 x i64> poison, <2 x i32> zeroinitializer
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i1> poison, i1 [[X:%.*]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i1> [[BROADCAST_SPLATINSERT]], <2 x i1> poison, <2 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP0:%.*]] = xor <2 x i1> [[BROADCAST_SPLAT]], splat (i1 true)
; CHECK-NEXT:    [[TMP1:%.*]] = zext <2 x i1> [[TMP0]] to <2 x i64>
; CHECK-NEXT:    [[TMP2:%.*]] = shl <2 x i64> [[BROADCAST_SPLAT2]], [[TMP1]]
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <2 x i64> [ splat (i64 1), [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP3]] = mul <2 x i64> [[TMP2]], [[VEC_PHI]]
; CHECK-NEXT:    br i1 true, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP4:%.*]] = call i64 @llvm.vector.reduce.mul.v2i64(<2 x i64> [[TMP3]])
; CHECK-NEXT:    br label [[EXIT:%.*]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[SCALAR_PH:%.*]] ], [ [[IV_NEXT_I_I_I:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[RED:%.*]] = phi i64 [ 1, [[SCALAR_PH]] ], [ [[RED_MUL:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[NOT_X:%.*]] = xor i1 [[X]], true
; CHECK-NEXT:    [[EXT:%.*]] = zext i1 [[NOT_X]] to i64
; CHECK-NEXT:    [[SHL:%.*]] = shl i64 [[Y]], [[EXT]]
; CHECK-NEXT:    [[RED_MUL]] = mul i64 [[SHL]], [[RED]]
; CHECK-NEXT:    [[IV_NEXT_I_I_I]] = add i64 [[IV]], 1
; CHECK-NEXT:    [[EC:%.*]] = icmp eq i64 [[IV]], 1
; CHECK-NEXT:    br i1 [[EC]], label [[EXIT]], label [[LOOP]]
; CHECK:       exit:
; CHECK-NEXT:    [[RED_MUL_LCSSA:%.*]] = phi i64 [ [[RED_MUL]], [[LOOP]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i64 [[RED_MUL_LCSSA]]
;
entry:
  br label %loop

loop:
  %iv = phi i64 [ 0, %entry ], [ %iv.next.i.i.i, %loop ]
  %red = phi i64 [ 1, %entry ], [ %red.mul, %loop ]
  %not.x = xor i1 %x, true
  %ext = zext i1 %not.x to i64
  %shl = shl i64 %y, %ext
  %red.mul = mul i64 %shl, %red
  %iv.next.i.i.i = add i64 %iv, 1
  %ec = icmp eq i64 %iv, 1
  br i1 %ec, label %exit, label %loop

exit:
  ret i64 %red.mul
}

; Test case for https://github.com/llvm/llvm-project/issues/113526.
define i32 @narrowed_reduction(ptr %a, i1 %cmp) #0 {
; CHECK-LABEL: @narrowed_reduction(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CONV:%.*]] = zext i1 [[CMP:%.*]] to i32
; CHECK-NEXT:    br label [[VECTOR_PH1:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <16 x i32> poison, i32 [[CONV]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <16 x i32> [[BROADCAST_SPLATINSERT]], <16 x i32> poison, <16 x i32> zeroinitializer
; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
; CHECK:       vector.body:
; CHECK-NEXT:    [[VEC_PHI1:%.*]] = phi <16 x i32> [ zeroinitializer, [[VECTOR_PH1]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP1:%.*]] = and <16 x i32> [[VEC_PHI1]], splat (i32 1)
; CHECK-NEXT:    [[TMP3:%.*]] = or <16 x i32> [[TMP1]], [[BROADCAST_SPLAT]]
; CHECK-NEXT:    [[TMP5:%.*]] = trunc <16 x i32> [[TMP3]] to <16 x i1>
; CHECK-NEXT:    [[TMP7]] = zext <16 x i1> [[TMP5]] to <16 x i32>
; CHECK-NEXT:    br i1 true, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[TMP20:%.*]] = call i1 @llvm.vector.reduce.or.v16i1(<16 x i1> [[TMP5]])
; CHECK-NEXT:    [[TMP21:%.*]] = zext i1 [[TMP20]] to i32
; CHECK-NEXT:    br label [[EXIT:%.*]]
; CHECK:       scalar.ph:
; CHECK-NEXT:    br label [[LOOP1:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[IV:%.*]] = phi i32 [ 1, [[VEC_EPILOG_PH:%.*]] ], [ [[INC:%.*]], [[LOOP1]] ]
; CHECK-NEXT:    [[OR13:%.*]] = phi i32 [ 0, [[VEC_EPILOG_PH]] ], [ [[OR:%.*]], [[LOOP1]] ]
; CHECK-NEXT:    [[AND:%.*]] = and i32 [[OR13]], 1
; CHECK-NEXT:    [[OR]] = or i32 [[AND]], [[CONV]]
; CHECK-NEXT:    [[INC]] = add i32 [[IV]], 1
; CHECK-NEXT:    [[EC:%.*]] = icmp eq i32 [[IV]], 16
; CHECK-NEXT:    br i1 [[EC]], label [[EXIT]], label [[LOOP1]]
; CHECK:       exit:
; CHECK-NEXT:    [[OR_LCSSA:%.*]] = phi i32 [ [[OR]], [[LOOP1]] ], [ [[TMP21]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[OR_LCSSA]]
;
entry:
  %conv = zext i1 %cmp to i32
  br label %loop

loop:
  %iv = phi i32 [ 1, %entry ], [ %inc, %loop ]
  %or13 = phi i32 [ 0, %entry ], [ %or, %loop ]
  %and = and i32 %or13, 1
  %or = or i32 %and, %conv
  %inc = add i32 %iv, 1
  %ec = icmp eq i32 %iv, 16
  br i1 %ec, label %exit, label %loop

exit:
  ret i32 %or
}

; Check if the vplan-based cost model select same VF to the legacy cost model.
; Reduced from: https://github.com/llvm/llvm-project/issues/115744#issuecomment-2670479463
define i32 @g(i64 %n) {
; CHECK-LABEL: @g(
; CHECK-NEXT:  iter.check:
; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[N:%.*]] to i32
; CHECK-NEXT:    [[TMP1:%.*]] = add i32 [[TMP0]], 1
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 4
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[VEC_EPILOG_SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
; CHECK:       vector.scevcheck:
; CHECK-NEXT:    [[TMP2:%.*]] = icmp ugt i64 [[N]], 4294967295
; CHECK-NEXT:    br i1 [[TMP2]], label [[VEC_EPILOG_SCALAR_PH]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]]
; CHECK:       vector.main.loop.iter.check:
; CHECK-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i32 [[TMP1]], 16
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK:       vector.ph:
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 16
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]]
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> poison, i64 [[N]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> poison, <4 x i32> zeroinitializer
; 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 <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP17:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT:    [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], splat (i32 4)
; CHECK-NEXT:    [[STEP_ADD_2:%.*]] = add <4 x i32> [[STEP_ADD]], splat (i32 4)
; CHECK-NEXT:    [[STEP_ADD_3:%.*]] = add <4 x i32> [[STEP_ADD_2]], splat (i32 4)
; CHECK-NEXT:    [[TMP3:%.*]] = zext <4 x i32> [[VEC_IND]] to <4 x i64>
; CHECK-NEXT:    [[TMP4:%.*]] = zext <4 x i32> [[STEP_ADD]] to <4 x i64>
; CHECK-NEXT:    [[TMP5:%.*]] = zext <4 x i32> [[STEP_ADD_2]] to <4 x i64>
; CHECK-NEXT:    [[TMP6:%.*]] = zext <4 x i32> [[STEP_ADD_3]] to <4 x i64>
; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq <4 x i64> [[BROADCAST_SPLAT]], [[TMP3]]
; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq <4 x i64> [[BROADCAST_SPLAT]], [[TMP4]]
; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq <4 x i64> [[BROADCAST_SPLAT]], [[TMP5]]
; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq <4 x i64> [[BROADCAST_SPLAT]], [[TMP6]]
; CHECK-NEXT:    [[TMP11:%.*]] = select <4 x i1> [[TMP7]], <4 x i32> zeroinitializer, <4 x i32> splat (i32 2)
; CHECK-NEXT:    [[TMP12:%.*]] = select <4 x i1> [[TMP8]], <4 x i32> zeroinitializer, <4 x i32> splat (i32 2)
; CHECK-NEXT:    [[TMP13:%.*]] = select <4 x i1> [[TMP9]], <4 x i32> zeroinitializer, <4 x i32> splat (i32 2)
; CHECK-NEXT:    [[TMP14:%.*]] = select <4 x i1> [[TMP10]], <4 x i32> zeroinitializer, <4 x i32> splat (i32 2)
; CHECK-NEXT:    [[TMP15]] = or <4 x i32> [[TMP11]], [[VEC_PHI]]
; CHECK-NEXT:    [[TMP16]] = or <4 x i32> [[TMP12]], [[VEC_PHI2]]
; CHECK-NEXT:    [[TMP17]] = or <4 x i32> [[TMP13]], [[VEC_PHI3]]
; CHECK-NEXT:    [[TMP18]] = or <4 x i32> [[TMP14]], [[VEC_PHI4]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 16
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD_3]], splat (i32 4)
; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
; CHECK:       middle.block:
; CHECK-NEXT:    [[BIN_RDX:%.*]] = or <4 x i32> [[TMP16]], [[TMP15]]
; CHECK-NEXT:    [[BIN_RDX5:%.*]] = or <4 x i32> [[TMP17]], [[BIN_RDX]]
; CHECK-NEXT:    [[BIN_RDX6:%.*]] = or <4 x i32> [[TMP18]], [[BIN_RDX5]]
; CHECK-NEXT:    [[TMP20:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[BIN_RDX6]])
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[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 i32 [[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:    [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP20]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[N_MOD_VF7:%.*]] = urem i32 [[TMP1]], 4
; CHECK-NEXT:    [[N_VEC8:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF7]]
; CHECK-NEXT:    [[TMP21:%.*]] = insertelement <4 x i32> zeroinitializer, i32 [[BC_MERGE_RDX]], i32 0
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT9:%.*]] = insertelement <4 x i64> poison, i64 [[N]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT14:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT9]], <4 x i64> poison, <4 x i32> zeroinitializer
; 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 1, i32 2, i32 3>
; CHECK-NEXT:    br label [[VEC_EPILOG_VECTOR_BODY:%.*]]
; CHECK:       vec.epilog.vector.body:
; CHECK-NEXT:    [[INDEX9:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT15:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND10:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI12:%.*]] = phi <4 x i32> [ [[TMP21]], [[VEC_EPILOG_PH]] ], [ [[TMP25:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP22:%.*]] = zext <4 x i32> [[VEC_IND10]] to <4 x i64>
; CHECK-NEXT:    [[TMP23:%.*]] = icmp eq <4 x i64> [[BROADCAST_SPLAT14]], [[TMP22]]
; CHECK-NEXT:    [[TMP24:%.*]] = select <4 x i1> [[TMP23]], <4 x i32> zeroinitializer, <4 x i32> splat (i32 2)
; CHECK-NEXT:    [[TMP25]] = or <4 x i32> [[TMP24]], [[VEC_PHI12]]
; CHECK-NEXT:    [[INDEX_NEXT15]] = add nuw i32 [[INDEX9]], 4
; CHECK-NEXT:    [[VEC_IND_NEXT11]] = add <4 x i32> [[VEC_IND10]], splat (i32 4)
; CHECK-NEXT:    [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT15]], [[N_VEC8]]
; CHECK-NEXT:    br i1 [[TMP26]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
; CHECK:       vec.epilog.middle.block:
; CHECK-NEXT:    [[TMP27:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[TMP25]])
; CHECK-NEXT:    [[CMP_N16:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC8]]
; CHECK-NEXT:    br i1 [[CMP_N16]], label [[EXIT]], label [[VEC_EPILOG_SCALAR_PH]]
; CHECK:       vec.epilog.scalar.ph:
; CHECK-NEXT:    [[BC_RESUME_VAL17:%.*]] = phi i32 [ [[N_VEC8]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ITER_CHECK:%.*]] ]
; CHECK-NEXT:    [[BC_MERGE_RDX18:%.*]] = phi i32 [ [[TMP27]], [[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[TMP20]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ITER_CHECK]] ]
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[IV:%.*]] = phi i32 [ [[BC_RESUME_VAL17]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[SELECT:%.*]] = phi i32 [ [[BC_MERGE_RDX18]], [[VEC_EPILOG_SCALAR_PH]] ], [ [[SELECT_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[IV_WIDEN:%.*]] = zext i32 [[IV]] to i64
; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[N]], [[IV_WIDEN]]
; CHECK-NEXT:    [[SELECT_I:%.*]] = select i1 [[EXITCOND]], i32 0, i32 2
; CHECK-NEXT:    [[SELECT_NEXT]] = or i32 [[SELECT_I]], [[SELECT]]
; CHECK-NEXT:    [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT:    br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP27:![0-9]+]]
; CHECK:       exit:
; CHECK-NEXT:    [[SELECT_NEXT_LCSSA:%.*]] = phi i32 [ [[SELECT_NEXT]], [[LOOP]] ], [ [[TMP20]], [[MIDDLE_BLOCK]] ], [ [[TMP27]], [[VEC_EPILOG_MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[SELECT_NEXT_LCSSA]]
;
entry:
  br label %loop

loop:
  %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
  %select = phi i32 [ 0, %entry ], [ %select.next, %loop ]
  %iv.widen = zext i32 %iv to i64
  %exitcond = icmp eq i64 %n, %iv.widen
  %select.i = select i1 %exitcond, i32 0, i32 2
  %select.next = or i32 %select.i, %select
  %iv.next = add i32 %iv, 1
  br i1 %exitcond, label %exit, label %loop

exit:
  ret i32 %select.next
}

declare void @llvm.assume(i1 noundef) #0

attributes #0 = { "target-cpu"="penryn" }
attributes #1 = { "target-features"="+avx512bw,+avx512cd,+avx512dq,+avx512f,+avx512vl" }
attributes #2 = { "target-cpu"="znver3" }