; LLVM IR from DionysiosB/CodeForces :: 1000-1099 (1090A-CompanyMerging)

; 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::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #5
  %17 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #5
  call void @_ZNSaISt4pairIxxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %24

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIxxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %77, %18
  %20 = load i64, ptr %8, align 8, !tbaa !5
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = icmp slt i64 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %81

24:                                               ; preds = %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %5, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIxxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  br label %114

28:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %29 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %10)
          to label %30 unwind label %40

30:                                               ; preds = %28
  %31 = load i64, ptr %10, align 8, !tbaa !5
  %32 = load i64, ptr %8, align 8, !tbaa !5
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %32) #5
  %34 = getelementptr inbounds %"struct.std::pair", ptr %33, i32 0, i32 0
  store i64 %31, ptr %34, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %35

35:                                               ; preds = %56, %30
  %36 = load i64, ptr %12, align 8, !tbaa !5
  %37 = load i64, ptr %10, align 8, !tbaa !5
  %38 = icmp slt i64 %36, %37
  br i1 %38, label %44, label %39

39:                                               ; preds = %35
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %63

40:                                               ; preds = %28
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %5, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %6, align 4
  br label %80

44:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %45 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %13)
          to label %46 unwind label %59

46:                                               ; preds = %44
  %47 = load i64, ptr %11, align 8, !tbaa !5
  %48 = load i64, ptr %13, align 8, !tbaa !5
  %49 = icmp sgt i64 %47, %48
  br i1 %49, label %50, label %52

50:                                               ; preds = %46
  %51 = load i64, ptr %11, align 8, !tbaa !5
  br label %54

52:                                               ; preds = %46
  %53 = load i64, ptr %13, align 8, !tbaa !5
  br label %54

54:                                               ; preds = %52, %50
  %55 = phi i64 [ %51, %50 ], [ %53, %52 ]
  store i64 %55, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %56

56:                                               ; preds = %54
  %57 = load i64, ptr %12, align 8, !tbaa !5
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %12, align 8, !tbaa !5
  br label %35, !llvm.loop !11

59:                                               ; preds = %44
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %5, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %80

63:                                               ; preds = %39
  %64 = load i64, ptr %11, align 8, !tbaa !5
  %65 = load i64, ptr %8, align 8, !tbaa !5
  %66 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %65) #5
  %67 = getelementptr inbounds %"struct.std::pair", ptr %66, i32 0, i32 1
  store i64 %64, ptr %67, align 8, !tbaa !13
  %68 = load i64, ptr %7, align 8, !tbaa !5
  %69 = load i64, ptr %11, align 8, !tbaa !5
  %70 = icmp sgt i64 %68, %69
  br i1 %70, label %71, label %73

71:                                               ; preds = %63
  %72 = load i64, ptr %7, align 8, !tbaa !5
  br label %75

73:                                               ; preds = %63
  %74 = load i64, ptr %11, align 8, !tbaa !5
  br label %75

75:                                               ; preds = %73, %71
  %76 = phi i64 [ %72, %71 ], [ %74, %73 ]
  store i64 %76, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %77

77:                                               ; preds = %75
  %78 = load i64, ptr %8, align 8, !tbaa !5
  %79 = add nsw i64 %78, 1
  store i64 %79, ptr %8, align 8, !tbaa !5
  br label %19, !llvm.loop !14

80:                                               ; preds = %59, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %113

81:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  store i64 0, ptr %15, align 8, !tbaa !5
  br label %82

82:                                               ; preds = %101, %81
  %83 = load i64, ptr %15, align 8, !tbaa !5
  %84 = load i64, ptr %2, align 8, !tbaa !5
  %85 = icmp slt i64 %83, %84
  br i1 %85, label %87, label %86

86:                                               ; preds = %82
  store i32 8, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %104

87:                                               ; preds = %82
  %88 = load i64, ptr %7, align 8, !tbaa !5
  %89 = load i64, ptr %15, align 8, !tbaa !5
  %90 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %89) #5
  %91 = getelementptr inbounds %"struct.std::pair", ptr %90, i32 0, i32 1
  %92 = load i64, ptr %91, align 8, !tbaa !13
  %93 = sub nsw i64 %88, %92
  %94 = load i64, ptr %15, align 8, !tbaa !5
  %95 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %94) #5
  %96 = getelementptr inbounds %"struct.std::pair", ptr %95, i32 0, i32 0
  %97 = load i64, ptr %96, align 8, !tbaa !9
  %98 = mul nsw i64 %93, %97
  %99 = load i64, ptr %14, align 8, !tbaa !5
  %100 = add nsw i64 %99, %98
  store i64 %100, ptr %14, align 8, !tbaa !5
  br label %101

101:                                              ; preds = %87
  %102 = load i64, ptr %15, align 8, !tbaa !5
  %103 = add nsw i64 %102, 1
  store i64 %103, ptr %15, align 8, !tbaa !5
  br label %82, !llvm.loop !15

104:                                              ; preds = %86
  %105 = load i64, ptr %14, align 8, !tbaa !5
  %106 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %105)
          to label %107 unwind label %109

107:                                              ; preds = %104
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %108 = load i32, ptr %1, align 4
  ret i32 %108

109:                                              ; preds = %104
  %110 = landingpad { ptr, i32 }
          cleanup
  %111 = extractvalue { ptr, i32 } %110, 0
  store ptr %111, ptr %5, align 8
  %112 = extractvalue { ptr, i32 } %110, 1
  store i32 %112, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %113

113:                                              ; preds = %109, %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %114

114:                                              ; preds = %113, %24
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %115

115:                                              ; preds = %114
  %116 = load ptr, ptr %5, align 8
  %117 = load i32, ptr %6, align 4
  %118 = insertvalue { ptr, i32 } poison, ptr %116, 0
  %119 = insertvalue { ptr, i32 } %118, i32 %117, 1
  resume { ptr, i32 } %119
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIxxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIxxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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 = { 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 #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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !6, i64 8}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %7 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaISt4pairIxxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %7, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %8 unwind label %12

8:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIxxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = icmp sgt i64 %9, 0
  br i1 %10, label %.lr.ph32, label %._crit_edge37

.preheader:                                       ; preds = %._crit_edge
  %11 = icmp sgt i64 %23, 0
  br i1 %11, label %.lr.ph36, label %._crit_edge37

12:                                               ; preds = %0
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIxxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %13

.lr.ph32:                                         ; preds = %8, %._crit_edge
  %.02530 = phi i64 [ %22, %._crit_edge ], [ 0, %8 ]
  %.02629 = phi i64 [ %21, %._crit_edge ], [ 0, %8 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  %15 = load i64, ptr %4, align 8, !tbaa !5
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02530) #6
  store i64 %15, ptr %16, align 8, !tbaa !9
  %17 = load i64, ptr %4, align 8, !tbaa !5
  %18 = icmp sgt i64 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph32
  %.024.lcssa = phi i64 [ 0, %.lr.ph32 ], [ %27, %.lr.ph ]
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02530) #6
  %20 = getelementptr inbounds i8, ptr %19, i64 8
  store i64 %.024.lcssa, ptr %20, align 8, !tbaa !11
  %21 = call i64 @llvm.smax.i64(i64 %.02629, i64 %.024.lcssa)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %22 = add nuw nsw i64 %.02530, 1
  %23 = load i64, ptr %1, align 8, !tbaa !5
  %24 = icmp slt i64 %22, %23
  br i1 %24, label %.lr.ph32, label %.preheader, !llvm.loop !12

.lr.ph:                                           ; preds = %.lr.ph32, %.lr.ph
  %.02328 = phi i64 [ %28, %.lr.ph ], [ 0, %.lr.ph32 ]
  %.02427 = phi i64 [ %27, %.lr.ph ], [ 0, %.lr.ph32 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %5)
  %26 = load i64, ptr %5, align 8
  %27 = call i64 @llvm.smax.i64(i64 %.02427, i64 %26)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %28 = add nuw nsw i64 %.02328, 1
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = icmp slt i64 %28, %29
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !14

._crit_edge37:                                    ; preds = %.lr.ph36, %8, %.preheader
  %.022.lcssa = phi i64 [ 0, %.preheader ], [ 0, %8 ], [ %39, %.lr.ph36 ]
  %31 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.022.lcssa)
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

.lr.ph36:                                         ; preds = %.preheader, %.lr.ph36
  %.035 = phi i64 [ %40, %.lr.ph36 ], [ 0, %.preheader ]
  %.02234 = phi i64 [ %39, %.lr.ph36 ], [ 0, %.preheader ]
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.035) #6
  %33 = getelementptr inbounds i8, ptr %32, i64 8
  %34 = load i64, ptr %33, align 8, !tbaa !11
  %35 = sub nsw i64 %21, %34
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.035) #6
  %37 = load i64, ptr %36, align 8, !tbaa !9
  %38 = mul nsw i64 %37, %35
  %39 = add nsw i64 %38, %.02234
  %40 = add nuw nsw i64 %.035, 1
  %41 = load i64, ptr %1, align 8, !tbaa !5
  %42 = icmp slt i64 %40, %41
  br i1 %42, label %.lr.ph36, label %._crit_edge37, !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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIxxEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIxxEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #5

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 = { nofree nounwind "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 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 #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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!11 = !{!10, !6, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


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