; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2008-09 (tower2)

; 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"

%"struct.std::pair" = type { i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@N = external dso_local global i32, align 4
@w = external dso_local global [100001 x i32], align 16
@dp = external dso_local global [100001 x %"struct.std::pair"], align 16
@cum = external dso_local global %"class.std::vector", align 8
@.str.6 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #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 norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %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
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %16 unwind label %25

16:                                               ; preds = %0
  invoke void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %2)
          to label %17 unwind label %29

17:                                               ; preds = %16
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #4
  call void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) @cum, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %18 = load i32, ptr @N, align 4, !tbaa !5
  %19 = add nsw i32 %18, 1
  %20 = sub nsw i32 %19, 1
  store i32 %20, ptr %7, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %38, %17
  %22 = load i32, ptr %7, align 4, !tbaa !5
  %23 = icmp sge i32 %22, 1
  br i1 %23, label %34, label %24

24:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %41

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %4, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %5, align 4
  br label %33

29:                                               ; preds = %16
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %4, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  br label %33

33:                                               ; preds = %29, %25
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #4
  br label %124

34:                                               ; preds = %21
  %35 = load i32, ptr %7, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [100001 x i32], ptr @w, i64 0, i64 %36
  call void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4) %37)
  br label %38

38:                                               ; preds = %34
  %39 = load i32, ptr %7, align 4, !tbaa !5
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr %7, align 4, !tbaa !5
  br label %21, !llvm.loop !9

41:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %56, %41
  %43 = load i32, ptr %8, align 4, !tbaa !5
  %44 = load i32, ptr @N, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  %46 = icmp slt i32 %43, %45
  br i1 %46, label %48, label %47

47:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %59

48:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) @cum) #4
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = load i32, ptr %8, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [100001 x i32], ptr @w, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = add nsw i32 %50, %54
  store i32 %55, ptr %9, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) @cum, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %56

56:                                               ; preds = %48
  %57 = load i32, ptr %8, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %8, align 4, !tbaa !5
  br label %42, !llvm.loop !11

59:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 1, ptr %10, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %115, %59
  %61 = load i32, ptr %10, align 4, !tbaa !5
  %62 = load i32, ptr @N, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  %64 = icmp slt i32 %61, %63
  br i1 %64, label %66, label %65

65:                                               ; preds = %60
  store i32 8, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %118

66:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %67 = load i32, ptr %10, align 4, !tbaa !5
  %68 = sub nsw i32 %67, 1
  store i32 %68, ptr %12, align 4, !tbaa !5
  br label %69

69:                                               ; preds = %110, %66
  %70 = load i32, ptr %12, align 4, !tbaa !5
  %71 = icmp sge i32 %70, 0
  br i1 %71, label %73, label %72

72:                                               ; preds = %69
  store i32 11, ptr %11, align 4
  br label %113

73:                                               ; preds = %69
  %74 = load i32, ptr %10, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %75) #4
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = load i32, ptr %12, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %79) #4
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = sub nsw i32 %77, %81
  %83 = load i32, ptr %12, align 4, !tbaa !5
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %84
  %86 = getelementptr inbounds %"struct.std::pair", ptr %85, i32 0, i32 1
  %87 = load i32, ptr %86, align 4, !tbaa !12
  %88 = icmp sge i32 %82, %87
  br i1 %88, label %89, label %109

89:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %90 = load i32, ptr %12, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %91
  %93 = getelementptr inbounds %"struct.std::pair", ptr %92, i32 0, i32 0
  %94 = load i32, ptr %93, align 8, !tbaa !14
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  %96 = load i32, ptr %10, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %97) #4
  %99 = load i32, ptr %98, align 4, !tbaa !5
  %100 = load i32, ptr %12, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %101) #4
  %103 = load i32, ptr %102, align 4, !tbaa !5
  %104 = sub nsw i32 %99, %103
  store i32 %104, ptr %15, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %15)
  %105 = load i32, ptr %10, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  %107 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %106
  %108 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %107, ptr noundef nonnull align 4 dereferenceable(8) %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  store i32 11, ptr %11, align 4
  br label %113

109:                                              ; preds = %73
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %12, align 4, !tbaa !5
  %112 = add nsw i32 %111, -1
  store i32 %112, ptr %12, align 4, !tbaa !5
  br label %69, !llvm.loop !15

113:                                              ; preds = %89, %72
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %114

114:                                              ; preds = %113
  br label %115

115:                                              ; preds = %114
  %116 = load i32, ptr %10, align 4, !tbaa !5
  %117 = add nsw i32 %116, 1
  store i32 %117, ptr %10, align 4, !tbaa !5
  br label %60, !llvm.loop !16

118:                                              ; preds = %65
  %119 = load i32, ptr @N, align 4, !tbaa !5
  %120 = sext i32 %119 to i64
  %121 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %120
  %122 = getelementptr inbounds %"struct.std::pair", ptr %121, i32 0, i32 0
  call void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %122)
  %123 = load i32, ptr %1, align 4
  ret i32 %123

124:                                              ; preds = %33
  %125 = load ptr, ptr %4, align 8
  %126 = load i32, ptr %5, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 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 #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 = { 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 = !{!13, !6, i64 4}
!13 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!14 = !{!13, !6, i64 0}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !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"

%"struct.std::pair" = type { i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@N = external dso_local global i32, align 4
@w = external dso_local global [100001 x i32], align 16
@dp = external dso_local global [100001 x %"struct.std::pair"], align 16
@cum = external dso_local global %"class.std::vector", align 8
@.str.6 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) local_unnamed_addr #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::allocator", align 1
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %8 unwind label %13

8:                                                ; preds = %0
  invoke void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %1)
          to label %9 unwind label %15

9:                                                ; preds = %8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #4
  call void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) @cum, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph.preheader, label %.preheader28.._crit_edge_crit_edge

.lr.ph.preheader:                                 ; preds = %9
  %12 = zext nneg i32 %10 to i64
  br label %.lr.ph

.preheader29:                                     ; preds = %.lr.ph
  %.pre = load i32, ptr @N, align 4, !tbaa !5
  %.not34 = icmp slt i32 %.pre, 1
  br i1 %.not34, label %.preheader28.._crit_edge_crit_edge, label %.lr.ph36

13:                                               ; preds = %0
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %17

15:                                               ; preds = %8
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  br label %17

17:                                               ; preds = %15, %13
  %.pn = phi { ptr, i32 } [ %16, %15 ], [ %14, %13 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %12, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %18 = getelementptr inbounds [100001 x i32], ptr @w, i64 0, i64 %indvars.iv
  call void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4) %18)
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %19 = icmp ugt i64 %indvars.iv, 1
  br i1 %19, label %.lr.ph, label %.preheader29, !llvm.loop !9

.preheader28:                                     ; preds = %.lr.ph36
  %.not2637 = icmp slt i32 %26, 1
  br i1 %.not2637, label %.preheader28.._crit_edge_crit_edge, label %.preheader

.preheader28.._crit_edge_crit_edge:               ; preds = %9, %.preheader29, %.preheader28
  %20 = phi i32 [ %26, %.preheader28 ], [ %.pre, %.preheader29 ], [ %10, %9 ]
  %.pre52 = sext i32 %20 to i64
  br label %._crit_edge

.lr.ph36:                                         ; preds = %.preheader29, %.lr.ph36
  %indvars.iv42 = phi i64 [ %indvars.iv.next43, %.lr.ph36 ], [ 1, %.preheader29 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) @cum) #4
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = getelementptr inbounds [100001 x i32], ptr @w, i64 0, i64 %indvars.iv42
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = add nsw i32 %24, %22
  store i32 %25, ptr %4, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) @cum, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  %indvars.iv.next43 = add nuw nsw i64 %indvars.iv42, 1
  %26 = load i32, ptr @N, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %.not.not = icmp slt i64 %indvars.iv42, %27
  br i1 %.not.not, label %.lr.ph36, label %.preheader28, !llvm.loop !11

.preheader:                                       ; preds = %.preheader28, %.loopexit
  %indvars.iv45 = phi i64 [ %indvars.iv.next46, %.loopexit ], [ 1, %.preheader28 ]
  br label %29

._crit_edge:                                      ; preds = %.loopexit, %.preheader28.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre52, %.preheader28.._crit_edge_crit_edge ], [ %52, %.loopexit ]
  %28 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %.pre-phi
  call void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %28)
  ret i32 0

29:                                               ; preds = %.preheader, %31
  %indvars.iv47 = phi i64 [ %indvars.iv45, %.preheader ], [ %32, %31 ]
  %30 = icmp sgt i64 %indvars.iv47, 0
  br i1 %30, label %31, label %.loopexit

31:                                               ; preds = %29
  %32 = add nsw i64 %indvars.iv47, -1
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %indvars.iv45) #4
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %32) #4
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = sub nsw i32 %34, %36
  %38 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %32
  %39 = getelementptr inbounds i8, ptr %38, i64 4
  %40 = load i32, ptr %39, align 4, !tbaa !12
  %.not27 = icmp slt i32 %37, %40
  br i1 %.not27, label %29, label %41, !llvm.loop !14

41:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %42 = load i32, ptr %38, align 8, !tbaa !15
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %indvars.iv45) #4
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cum, i64 noundef %32) #4
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = sub nsw i32 %45, %47
  store i32 %48, ptr %7, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %49 = getelementptr inbounds [100001 x %"struct.std::pair"], ptr @dp, i64 0, i64 %indvars.iv45
  %50 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %49, ptr noundef nonnull align 4 dereferenceable(8) %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br label %.loopexit

.loopexit:                                        ; preds = %29, %41
  %indvars.iv.next46 = add nuw nsw i64 %indvars.iv45, 1
  %51 = load i32, ptr @N, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %.not26.not = icmp slt i64 %indvars.iv45, %52
  br i1 %.not26.not, label %.preheader, label %._crit_edge, !llvm.loop !16
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 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 #2 = { mustprogress 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 = { 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 = !{!13, !6, i64 4}
!13 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!14 = distinct !{!14, !10}
!15 = !{!13, !6, i64 0}
!16 = distinct !{!16, !10}


; Effective O3 passes: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass