; LLVM IR from kazunetakahashi/atcoder :: 2019/0622_ABC131/past (D)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.1" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i64 }
%"struct.std::_Head_base.1" = type { i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::tuple.2" = type { %"struct.std::_Tuple_impl.3" }
%"struct.std::_Tuple_impl.3" = type { %"struct.std::_Tuple_impl.4", %"struct.std::_Head_base.6" }
%"struct.std::_Tuple_impl.4" = type { %"struct.std::_Head_base.5" }
%"struct.std::_Head_base.5" = type { ptr }
%"struct.std::_Head_base.6" = type { ptr }

@N = external dso_local global i32, align 4
@V = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3Yesv() #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2Nov() #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::tuple", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"class.std::tuple.2", align 8
  store i32 0, ptr %1, align 4
  %13 = 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 %14

14:                                               ; preds = %22, %0
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = load i32, ptr @N, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

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

19:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 16, ptr %5) #6
  call void @_ZNSt5tupleIJxxEEC2IRxS2_TnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  call void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @V, ptr noundef nonnull align 8 dereferenceable(16) %5)
  call void @llvm.lifetime.end.p0(i64 16, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %22

22:                                               ; preds = %19
  %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 %14, !llvm.loop !9

25:                                               ; preds = %18
  %26 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #6
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  %28 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #6
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %28, ptr %29, align 8
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %31, ptr %33)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %52, %25
  %35 = load i32, ptr %9, align 4, !tbaa !5
  %36 = load i32, ptr @N, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %55

39:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %40 = load i32, ptr %9, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @V, i64 noundef %41) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #6
  call void @_ZSt3tieIJxxEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind writable sret(%"class.std::tuple.2") align 8 %12, ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRxS0_EEaSIxxEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(16) %42) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  %44 = load i64, ptr %10, align 8, !tbaa !11
  %45 = load i64, ptr %8, align 8, !tbaa !11
  %46 = add nsw i64 %45, %44
  store i64 %46, ptr %8, align 8, !tbaa !11
  %47 = load i64, ptr %8, align 8, !tbaa !11
  %48 = load i64, ptr %11, align 8, !tbaa !11
  %49 = icmp sgt i64 %47, %48
  br i1 %49, label %50, label %51

50:                                               ; preds = %39
  call void @_Z2Nov()
  br label %51

51:                                               ; preds = %50, %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %52

52:                                               ; preds = %51
  %53 = load i32, ptr %9, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %9, align 4, !tbaa !5
  br label %34, !llvm.loop !13

55:                                               ; preds = %38
  call void @_Z3Yesv()
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  %56 = load i32, ptr %1, align 4
  ret i32 %56
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJxxEEC2IRxS2_TnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJxxEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.2") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRxS0_EEaSIxxEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

attributes #0 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.1" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i64 }
%"struct.std::_Head_base.1" = type { i64 }
%"class.std::tuple.2" = type { %"struct.std::_Tuple_impl.3" }
%"struct.std::_Tuple_impl.3" = type { %"struct.std::_Tuple_impl.4", %"struct.std::_Head_base.6" }
%"struct.std::_Tuple_impl.4" = type { %"struct.std::_Head_base.5" }
%"struct.std::_Head_base.5" = type { ptr }
%"struct.std::_Head_base.6" = type { ptr }

@N = external dso_local global i32, align 4
@V = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3Yesv() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2Nov() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::tuple", align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::tuple.2", align 8
  %7 = 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)
  %8 = load i32, ptr @N, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %10 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #6
  %11 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #6
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %10, ptr %11)
  %12 = load i32, ptr @N, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph15, label %._crit_edge16

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01011 = phi i32 [ %16, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #6
  call void @_ZNSt5tupleIJxxEEC2IRxS2_TnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %1) #6
  call void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @V, ptr noundef nonnull align 8 dereferenceable(16) %3)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  %16 = add nuw nsw i32 %.01011, 1
  %17 = load i32, ptr @N, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge16:                                    ; preds = %26, %._crit_edge
  call void @_Z3Yesv()
  ret i32 0

.lr.ph15:                                         ; preds = %._crit_edge, %26
  %indvars.iv = phi i64 [ %indvars.iv.next, %26 ], [ 0, %._crit_edge ]
  %.0912 = phi i64 [ %22, %26 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @V, i64 noundef %indvars.iv) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #6
  call void @_ZSt3tieIJxxEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple.2") align 8 %6, ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRxS0_EEaSIxxEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(16) %19) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  %21 = load i64, ptr %4, align 8, !tbaa !11
  %22 = add nsw i64 %21, %.0912
  %23 = load i64, ptr %5, align 8, !tbaa !11
  %24 = icmp sgt i64 %22, %23
  br i1 %24, label %25, label %26

25:                                               ; preds = %.lr.ph15
  call void @_Z2Nov()
  br label %26

26:                                               ; preds = %25, %.lr.ph15
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %27 = load i32, ptr @N, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = icmp slt i64 %indvars.iv.next, %28
  br i1 %29, label %.lr.ph15, label %._crit_edge16, !llvm.loop !13
}

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 uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJxxEEC2IRxS2_TnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJxxEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.2") align 8, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRxS0_EEaSIxxEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

attributes #0 = { 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}


; Effective O3 passes: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass