; LLVM IR from kazunetakahashi/atcoder :: 2019/0615_diverta2019-2 (F)

; 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_ostream" = type { ptr, %"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@N = external dso_local global i32, align 4
@w = external dso_local global [10 x [10 x i64]], align 16
@V = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 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)) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11make_vectorv() #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z13hamilton_pathi(i32 noundef) #1

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

10:                                               ; preds = %22, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr @N, align 4, !tbaa !5
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %25

15:                                               ; preds = %10
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %17
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [10 x i64], ptr %18, i64 0, i64 %20
  store i64 0, ptr %21, align 8, !tbaa !9
  br label %22

22:                                               ; preds = %15
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %2, align 4, !tbaa !5
  br label %10, !llvm.loop !11

25:                                               ; preds = %14
  call void @_Z11make_vectorv()
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %63, %25
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = load i32, ptr @N, align 4, !tbaa !5
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %66

31:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = call noundef i64 @_Z13hamilton_pathi(i32 noundef %32)
  %34 = add nsw i64 %33, 1
  store i64 %34, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %59, %31
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = icmp slt i32 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %62

40:                                               ; preds = %35
  %41 = load i64, ptr %5, align 8, !tbaa !9
  %42 = load i32, ptr %6, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @V, i64 noundef %43) #6
  %45 = load i64, ptr %44, align 8, !tbaa !9
  %46 = mul nsw i64 %41, %45
  %47 = load i32, ptr %6, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %48
  %50 = load i32, ptr %3, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [10 x i64], ptr %49, i64 0, i64 %51
  store i64 %46, ptr %52, align 8, !tbaa !9
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %54
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [10 x i64], ptr %55, i64 0, i64 %57
  store i64 %46, ptr %58, align 8, !tbaa !9
  br label %59

59:                                               ; preds = %40
  %60 = load i32, ptr %6, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %6, align 4, !tbaa !5
  br label %35, !llvm.loop !13

62:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %63

63:                                               ; preds = %62
  %64 = load i32, ptr %3, align 4, !tbaa !5
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %3, align 4, !tbaa !5
  br label %26, !llvm.loop !14

66:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %100, %66
  %68 = load i32, ptr %7, align 4, !tbaa !5
  %69 = load i32, ptr @N, align 4, !tbaa !5
  %70 = icmp slt i32 %68, %69
  br i1 %70, label %72, label %71

71:                                               ; preds = %67
  store i32 11, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %103

72:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %73

73:                                               ; preds = %96, %72
  %74 = load i32, ptr %8, align 4, !tbaa !5
  %75 = load i32, ptr @N, align 4, !tbaa !5
  %76 = icmp slt i32 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %73
  store i32 14, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %99

78:                                               ; preds = %73
  %79 = load i32, ptr %7, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %80
  %82 = load i32, ptr %8, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [10 x i64], ptr %81, i64 0, i64 %83
  %85 = load i64, ptr %84, align 8, !tbaa !9
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %85)
  %87 = load i32, ptr %8, align 4, !tbaa !5
  %88 = load i32, ptr @N, align 4, !tbaa !5
  %89 = sub nsw i32 %88, 1
  %90 = icmp slt i32 %87, %89
  br i1 %90, label %91, label %93

91:                                               ; preds = %78
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.13)
  br label %95

93:                                               ; preds = %78
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %95

95:                                               ; preds = %93, %91
  br label %96

96:                                               ; preds = %95
  %97 = load i32, ptr %8, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %8, align 4, !tbaa !5
  br label %73, !llvm.loop !15

99:                                               ; preds = %77
  br label %100

100:                                              ; preds = %99
  %101 = load i32, ptr %7, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %7, align 4, !tbaa !5
  br label %67, !llvm.loop !16

103:                                              ; preds = %71
  %104 = load i32, ptr %1, align 4
  ret i32 %104
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 = { mustprogress nounwind 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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


; 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_ostream" = type { ptr, %"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@N = external dso_local global i32, align 4
@w = external dso_local local_unnamed_addr global [10 x [10 x i64]], align 16
@V = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0

; 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 #1 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)) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z11make_vectorv() local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z13hamilton_pathi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %2 = load i32, ptr @N, align 4, !tbaa !5
  %3 = icmp sgt i32 %2, 0
  br i1 %3, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %0
  %wide.trip.count = zext nneg i32 %2 to i64
  %xtraiter = and i64 %wide.trip.count, 3
  %4 = icmp ult i32 %2, 4
  br i1 %4, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %wide.trip.count, 2147483644
  br label %.lr.ph

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.3, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %indvars.iv.epil = phi i64 [ %indvars.iv.next.epil, %.lr.ph.epil ], [ %indvars.iv.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %5 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv.epil, i64 %indvars.iv.epil
  store i64 0, ptr %5, align 8, !tbaa !9
  %indvars.iv.next.epil = add nuw nsw i64 %indvars.iv.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph.epil, !llvm.loop !11

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil, %0
  tail call void @_Z11make_vectorv()
  %6 = load i32, ptr @N, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 1
  br i1 %7, label %.lr.ph33, label %.preheader28

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.3, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %8 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv, i64 %indvars.iv
  store i64 0, ptr %8, align 16, !tbaa !9
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %9 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv.next, i64 %indvars.iv.next
  store i64 0, ptr %9, align 8, !tbaa !9
  %indvars.iv.next.1 = or disjoint i64 %indvars.iv, 2
  %10 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv.next.1, i64 %indvars.iv.next.1
  store i64 0, ptr %10, align 16, !tbaa !9
  %indvars.iv.next.2 = or disjoint i64 %indvars.iv, 3
  %11 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv.next.2, i64 %indvars.iv.next.2
  store i64 0, ptr %11, align 8, !tbaa !9
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !13

.preheader28:                                     ; preds = %17, %._crit_edge
  %12 = phi i32 [ %6, %._crit_edge ], [ %18, %17 ]
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.preheader, label %._crit_edge38

.lr.ph33:                                         ; preds = %._crit_edge, %17
  %indvars.iv46 = phi i64 [ %indvars.iv.next47, %17 ], [ 1, %._crit_edge ]
  %14 = trunc nuw nsw i64 %indvars.iv46 to i32
  %15 = tail call noundef i64 @_Z13hamilton_pathi(i32 noundef %14)
  %16 = add nsw i64 %15, 1
  br label %21

17:                                               ; preds = %21
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %18 = load i32, ptr @N, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next47, %19
  br i1 %20, label %.lr.ph33, label %.preheader28, !llvm.loop !15

21:                                               ; preds = %.lr.ph33, %21
  %indvars.iv41 = phi i64 [ 0, %.lr.ph33 ], [ %indvars.iv.next42, %21 ]
  %22 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @V, i64 noundef %indvars.iv41) #5
  %23 = load i64, ptr %22, align 8, !tbaa !9
  %24 = mul nsw i64 %23, %16
  %25 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv41, i64 %indvars.iv46
  store i64 %24, ptr %25, align 8, !tbaa !9
  %26 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv46, i64 %indvars.iv41
  store i64 %24, ptr %26, align 8, !tbaa !9
  %indvars.iv.next42 = add nuw nsw i64 %indvars.iv41, 1
  %exitcond45.not = icmp eq i64 %indvars.iv.next42, %indvars.iv46
  br i1 %exitcond45.not, label %17, label %21, !llvm.loop !16

.preheader:                                       ; preds = %.preheader28, %._crit_edge36
  %27 = phi i32 [ %29, %._crit_edge36 ], [ %12, %.preheader28 ]
  %indvars.iv52 = phi i64 [ %indvars.iv.next53, %._crit_edge36 ], [ 0, %.preheader28 ]
  %28 = icmp sgt i32 %27, 0
  br i1 %28, label %.lr.ph35, label %.preheader.._crit_edge36_crit_edge

.preheader.._crit_edge36_crit_edge:               ; preds = %.preheader
  %.pre = sext i32 %27 to i64
  br label %._crit_edge36

._crit_edge38:                                    ; preds = %._crit_edge36, %.preheader28
  ret i32 0

._crit_edge36:                                    ; preds = %42, %.preheader.._crit_edge36_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.preheader.._crit_edge36_crit_edge ], [ %44, %42 ]
  %29 = phi i32 [ %27, %.preheader.._crit_edge36_crit_edge ], [ %43, %42 ]
  %indvars.iv.next53 = add nuw nsw i64 %indvars.iv52, 1
  %30 = icmp slt i64 %indvars.iv.next53, %.pre-phi
  br i1 %30, label %.preheader, label %._crit_edge38, !llvm.loop !17

.lr.ph35:                                         ; preds = %.preheader, %42
  %indvars.iv49 = phi i64 [ %indvars.iv.next50, %42 ], [ 0, %.preheader ]
  %31 = getelementptr inbounds [10 x [10 x i64]], ptr @w, i64 0, i64 %indvars.iv52, i64 %indvars.iv49
  %32 = load i64, ptr %31, align 8, !tbaa !9
  %33 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %32)
  %34 = load i32, ptr @N, align 4, !tbaa !5
  %35 = add nsw i32 %34, -1
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv49, %36
  br i1 %37, label %38, label %40

38:                                               ; preds = %.lr.ph35
  %39 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.13)
  br label %42

40:                                               ; preds = %.lr.ph35
  %41 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %42

42:                                               ; preds = %38, %40
  %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1
  %43 = load i32, ptr @N, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = icmp slt i64 %indvars.iv.next50, %44
  br i1 %45, label %.lr.ph35, label %._crit_edge36, !llvm.loop !19
}

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 #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { "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 #4 = { mustprogress nounwind 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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14, !18}
!18 = !{!"llvm.loop.unswitch.partial.disable"}
!19 = distinct !{!19, !14}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass