; LLVM IR from eyangch/competitive-programming :: Codeforces/363 (b)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = zext i32 %14 to i64
  %16 = call ptr @llvm.stacksave.p0()
  store ptr %16, ptr %4, align 8
  %17 = alloca i32, i64 %15, align 16
  store i64 %15, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %28, %0
  %19 = load i32, ptr %6, align 4, !tbaa !5
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %31

23:                                               ; preds = %18
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i32, ptr %17, i64 %25
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %26)
  br label %28

28:                                               ; preds = %23
  %29 = load i32, ptr %6, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %6, align 4, !tbaa !5
  br label %18, !llvm.loop !9

31:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %44, %31
  %33 = load i32, ptr %8, align 4, !tbaa !5
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %47

37:                                               ; preds = %32
  %38 = load i32, ptr %8, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds i32, ptr %17, i64 %39
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = load i32, ptr %7, align 4, !tbaa !5
  %43 = add nsw i32 %42, %41
  store i32 %43, ptr %7, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %37
  %45 = load i32, ptr %8, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %8, align 4, !tbaa !5
  br label %32, !llvm.loop !11

47:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %48 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %48, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 1, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %49 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %49, ptr %11, align 4, !tbaa !5
  br label %50

50:                                               ; preds = %80, %47
  %51 = load i32, ptr %11, align 4, !tbaa !5
  %52 = load i32, ptr %2, align 4, !tbaa !5
  %53 = icmp slt i32 %51, %52
  br i1 %53, label %55, label %54

54:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %83

55:                                               ; preds = %50
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds i32, ptr %17, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = load i32, ptr %7, align 4, !tbaa !5
  %61 = add nsw i32 %60, %59
  store i32 %61, ptr %7, align 4, !tbaa !5
  %62 = load i32, ptr %11, align 4, !tbaa !5
  %63 = load i32, ptr %3, align 4, !tbaa !5
  %64 = sub nsw i32 %62, %63
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds i32, ptr %17, i64 %65
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = load i32, ptr %7, align 4, !tbaa !5
  %69 = sub nsw i32 %68, %67
  store i32 %69, ptr %7, align 4, !tbaa !5
  %70 = load i32, ptr %7, align 4, !tbaa !5
  %71 = load i32, ptr %9, align 4, !tbaa !5
  %72 = icmp slt i32 %70, %71
  br i1 %72, label %73, label %79

73:                                               ; preds = %55
  %74 = load i32, ptr %11, align 4, !tbaa !5
  %75 = load i32, ptr %3, align 4, !tbaa !5
  %76 = sub nsw i32 %74, %75
  %77 = add nsw i32 %76, 2
  store i32 %77, ptr %10, align 4, !tbaa !5
  %78 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %78, ptr %9, align 4, !tbaa !5
  br label %79

79:                                               ; preds = %73, %55
  br label %80

80:                                               ; preds = %79
  %81 = load i32, ptr %11, align 4, !tbaa !5
  %82 = add nsw i32 %81, 1
  store i32 %82, ptr %11, align 4, !tbaa !5
  br label %50, !llvm.loop !12

83:                                               ; preds = %54
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %84)
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  %87 = load ptr, ptr %4, align 8
  call void @llvm.stackrestore.p0(ptr %87)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %88 = load i32, ptr %1, align 4
  ret i32 %88
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %3 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = zext i32 %5 to i64
  %7 = call ptr @llvm.stacksave.p0()
  %8 = alloca i32, i64 %6, align 16
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph, label %.preheader30

.preheader30:                                     ; preds = %.lr.ph, %0
  %.lcssa31 = phi i32 [ %9, %0 ], [ %21, %.lr.ph ]
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph35.preheader, label %.preheader

.lr.ph35.preheader:                               ; preds = %.preheader30
  %wide.trip.count = zext nneg i32 %11 to i64
  %min.iters.check = icmp ult i32 %11, 8
  br i1 %min.iters.check, label %.lr.ph35.preheader58, label %vector.ph

.lr.ph35.preheader58:                             ; preds = %middle.block, %.lr.ph35.preheader
  %indvars.iv46.ph = phi i64 [ 0, %.lr.ph35.preheader ], [ %n.vec, %middle.block ]
  %.02433.ph = phi i32 [ 0, %.lr.ph35.preheader ], [ %18, %middle.block ]
  br label %.lr.ph35

vector.ph:                                        ; preds = %.lr.ph35.preheader
  %n.vec = and i64 %wide.trip.count, 2147483640
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %15, %vector.body ]
  %vec.phi56 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %16, %vector.body ]
  %13 = getelementptr inbounds i32, ptr %8, i64 %index
  %14 = getelementptr inbounds i8, ptr %13, i64 16
  %wide.load = load <4 x i32>, ptr %13, align 16, !tbaa !5
  %wide.load57 = load <4 x i32>, ptr %14, align 16, !tbaa !5
  %15 = add <4 x i32> %wide.load, %vec.phi
  %16 = add <4 x i32> %wide.load57, %vec.phi56
  %index.next = add nuw i64 %index, 8
  %17 = icmp eq i64 %index.next, %n.vec
  br i1 %17, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <4 x i32> %16, %15
  %18 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx)
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %.preheader, label %.lr.ph35.preheader58

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %19 = getelementptr inbounds i32, ptr %8, i64 %indvars.iv
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %19)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = icmp slt i64 %indvars.iv.next, %22
  br i1 %23, label %.lr.ph, label %.preheader30, !llvm.loop !13

.preheader:                                       ; preds = %.lr.ph35, %middle.block, %.preheader30
  %.024.lcssa = phi i32 [ 0, %.preheader30 ], [ %18, %middle.block ], [ %31, %.lr.ph35 ]
  %24 = icmp slt i32 %11, %.lcssa31
  br i1 %24, label %.lr.ph42.preheader, label %._crit_edge

.lr.ph42.preheader:                               ; preds = %.preheader
  %25 = sext i32 %11 to i64
  %wide.trip.count52 = sext i32 %.lcssa31 to i64
  %26 = sub nsw i64 %wide.trip.count52, %25
  %xtraiter = and i64 %26, 1
  %27 = add nsw i64 %wide.trip.count52, -1
  %28 = icmp eq i64 %27, %25
  br i1 %28, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph42.preheader.new

.lr.ph42.preheader.new:                           ; preds = %.lr.ph42.preheader
  %unroll_iter = and i64 %26, -2
  br label %.lr.ph42

.lr.ph35:                                         ; preds = %.lr.ph35.preheader58, %.lr.ph35
  %indvars.iv46 = phi i64 [ %indvars.iv.next47, %.lr.ph35 ], [ %indvars.iv46.ph, %.lr.ph35.preheader58 ]
  %.02433 = phi i32 [ %31, %.lr.ph35 ], [ %.02433.ph, %.lr.ph35.preheader58 ]
  %29 = getelementptr inbounds i32, ptr %8, i64 %indvars.iv46
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = add nsw i32 %30, %.02433
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next47, %wide.trip.count
  br i1 %exitcond.not, label %.preheader, label %.lr.ph35, !llvm.loop !14

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph42, %.lr.ph42.preheader
  %spec.select29.lcssa.ph = phi i32 [ poison, %.lr.ph42.preheader ], [ %spec.select29.1, %.lr.ph42 ]
  %indvars.iv49.unr = phi i64 [ %25, %.lr.ph42.preheader ], [ %indvars.iv.next50.1, %.lr.ph42 ]
  %.02040.unr = phi i32 [ 1, %.lr.ph42.preheader ], [ %spec.select29.1, %.lr.ph42 ]
  %.02139.unr = phi i32 [ %.024.lcssa, %.lr.ph42.preheader ], [ %spec.select.1, %.lr.ph42 ]
  %.12538.unr = phi i32 [ %.024.lcssa, %.lr.ph42.preheader ], [ %60, %.lr.ph42 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph42.epil

.lr.ph42.epil:                                    ; preds = %._crit_edge.loopexit.unr-lcssa
  %32 = getelementptr inbounds i32, ptr %8, i64 %indvars.iv49.unr
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = add nsw i32 %33, %.12538.unr
  %35 = sub nsw i64 %indvars.iv49.unr, %25
  %36 = getelementptr inbounds i32, ptr %8, i64 %35
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = sub i32 %34, %37
  %39 = icmp slt i32 %38, %.02139.unr
  %40 = trunc i64 %35 to i32
  %41 = add i32 %40, 2
  %spec.select29.epil = select i1 %39, i32 %41, i32 %.02040.unr
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph42.epil, %._crit_edge.loopexit.unr-lcssa, %.preheader
  %.020.lcssa = phi i32 [ 1, %.preheader ], [ %spec.select29.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %spec.select29.epil, %.lr.ph42.epil ]
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.020.lcssa)
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.stackrestore.p0(ptr %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.lr.ph42:                                         ; preds = %.lr.ph42, %.lr.ph42.preheader.new
  %indvars.iv49 = phi i64 [ %25, %.lr.ph42.preheader.new ], [ %indvars.iv.next50.1, %.lr.ph42 ]
  %.02040 = phi i32 [ 1, %.lr.ph42.preheader.new ], [ %spec.select29.1, %.lr.ph42 ]
  %.02139 = phi i32 [ %.024.lcssa, %.lr.ph42.preheader.new ], [ %spec.select.1, %.lr.ph42 ]
  %.12538 = phi i32 [ %.024.lcssa, %.lr.ph42.preheader.new ], [ %60, %.lr.ph42 ]
  %niter = phi i64 [ 0, %.lr.ph42.preheader.new ], [ %niter.next.1, %.lr.ph42 ]
  %44 = getelementptr inbounds i32, ptr %8, i64 %indvars.iv49
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = add nsw i32 %45, %.12538
  %47 = sub nsw i64 %indvars.iv49, %25
  %48 = getelementptr inbounds i32, ptr %8, i64 %47
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = sub i32 %46, %49
  %51 = icmp slt i32 %50, %.02139
  %spec.select = call i32 @llvm.smin.i32(i32 %50, i32 %.02139)
  %52 = trunc i64 %47 to i32
  %53 = add i32 %52, 2
  %spec.select29 = select i1 %51, i32 %53, i32 %.02040
  %indvars.iv.next50 = add nsw i64 %indvars.iv49, 1
  %54 = getelementptr inbounds i32, ptr %8, i64 %indvars.iv.next50
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = add nsw i32 %55, %50
  %57 = sub nsw i64 %indvars.iv.next50, %25
  %58 = getelementptr inbounds i32, ptr %8, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = sub i32 %56, %59
  %61 = icmp slt i32 %60, %spec.select
  %spec.select.1 = call i32 @llvm.smin.i32(i32 %60, i32 %spec.select)
  %62 = trunc i64 %57 to i32
  %63 = add i32 %62, 2
  %spec.select29.1 = select i1 %61, i32 %63, i32 %spec.select29
  %indvars.iv.next50.1 = add nsw i64 %indvars.iv49, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph42, !llvm.loop !15
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #6

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #6

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10, !12, !11}
!15 = distinct !{!15, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,ReassociatePass,SROAPass,SimplifyCFGPass