; LLVM IR from DionysiosB/CodeForces :: 1100-1199 (1151D-StasAndTheQueueAtTheBuffet)

; 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, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair.0" = type { i64, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, %"struct.std::pair.0" }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = 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 i64, align 8
  %10 = alloca %"struct.std::pair.0", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  %16 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #6
  call void @_ZNSaISt4pairIxS_IxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEC2EmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %17 unwind label %23

17:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIxS0_IxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %46, %17
  %19 = load i64, ptr %7, align 8, !tbaa !5
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %27, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %58

23:                                               ; preds = %0
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %5, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIxS0_IxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  br label %111

27:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %28 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %8, ptr noundef %9)
          to label %29 unwind label %49

29:                                               ; preds = %27
  %30 = load i64, ptr %9, align 8, !tbaa !5
  %31 = load i64, ptr %8, align 8, !tbaa !5
  %32 = sub nsw i64 %30, %31
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %33) #6
  %35 = getelementptr inbounds %"struct.std::pair", ptr %34, i32 0, i32 0
  store i64 %32, ptr %35, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #6
  %36 = invoke { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %37 unwind label %53

37:                                               ; preds = %29
  %38 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 0
  %39 = extractvalue { i64, i64 } %36, 0
  store i64 %39, ptr %38, align 8
  %40 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 1
  %41 = extractvalue { i64, i64 } %36, 1
  store i64 %41, ptr %40, align 8
  %42 = load i64, ptr %7, align 8, !tbaa !5
  %43 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %42) #6
  %44 = getelementptr inbounds %"struct.std::pair", ptr %43, i32 0, i32 1
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 8 dereferenceable(16) %10) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %46

46:                                               ; preds = %37
  %47 = load i64, ptr %7, align 8, !tbaa !5
  %48 = add nsw i64 %47, 1
  store i64 %48, ptr %7, align 8, !tbaa !5
  br label %18, !llvm.loop !12

49:                                               ; preds = %27
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %5, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %6, align 4
  br label %57

53:                                               ; preds = %29
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %5, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  br label %57

57:                                               ; preds = %53, %49
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %110

58:                                               ; preds = %22
  %59 = call ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %60 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %59, ptr %60, align 8
  %61 = call ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %62 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %61, ptr %62, align 8
  %63 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %64 = load ptr, ptr %63, align 8
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %66 = load ptr, ptr %65, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIxS2_IxxEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %64, ptr %66)
          to label %67 unwind label %73

67:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %68

68:                                               ; preds = %98, %67
  %69 = load i64, ptr %14, align 8, !tbaa !5
  %70 = load i64, ptr %2, align 8, !tbaa !5
  %71 = icmp slt i64 %69, %70
  br i1 %71, label %77, label %72

72:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %101

73:                                               ; preds = %58
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %5, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %6, align 4
  br label %110

77:                                               ; preds = %68
  %78 = load i64, ptr %14, align 8, !tbaa !5
  %79 = load i64, ptr %14, align 8, !tbaa !5
  %80 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %79) #6
  %81 = getelementptr inbounds %"struct.std::pair", ptr %80, i32 0, i32 1
  %82 = getelementptr inbounds %"struct.std::pair.0", ptr %81, i32 0, i32 0
  %83 = load i64, ptr %82, align 8, !tbaa !14
  %84 = mul nsw i64 %78, %83
  %85 = load i64, ptr %2, align 8, !tbaa !5
  %86 = sub nsw i64 %85, 1
  %87 = load i64, ptr %14, align 8, !tbaa !5
  %88 = sub nsw i64 %86, %87
  %89 = load i64, ptr %14, align 8, !tbaa !5
  %90 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %89) #6
  %91 = getelementptr inbounds %"struct.std::pair", ptr %90, i32 0, i32 1
  %92 = getelementptr inbounds %"struct.std::pair.0", ptr %91, i32 0, i32 1
  %93 = load i64, ptr %92, align 8, !tbaa !15
  %94 = mul nsw i64 %88, %93
  %95 = add nsw i64 %84, %94
  %96 = load i64, ptr %13, align 8, !tbaa !5
  %97 = add nsw i64 %96, %95
  store i64 %97, ptr %13, align 8, !tbaa !5
  br label %98

98:                                               ; preds = %77
  %99 = load i64, ptr %14, align 8, !tbaa !5
  %100 = add nsw i64 %99, 1
  store i64 %100, ptr %14, align 8, !tbaa !5
  br label %68, !llvm.loop !16

101:                                              ; preds = %72
  %102 = load i64, ptr %13, align 8, !tbaa !5
  %103 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %102)
          to label %104 unwind label %106

104:                                              ; preds = %101
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %105 = load i32, ptr %1, align 4
  ret i32 %105

106:                                              ; preds = %101
  %107 = landingpad { ptr, i32 }
          cleanup
  %108 = extractvalue { ptr, i32 } %107, 0
  store ptr %108, ptr %5, align 8
  %109 = extractvalue { ptr, i32 } %107, 1
  store i32 %109, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %110

110:                                              ; preds = %106, %73, %57
  call void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %111

111:                                              ; preds = %110, %23
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %112

112:                                              ; preds = %111
  %113 = load ptr, ptr %5, align 8
  %114 = load i32, ptr %6, align 4
  %115 = insertvalue { ptr, i32 } poison, ptr %113, 0
  %116 = insertvalue { ptr, i32 } %115, i32 %114, 1
  resume { ptr, i32 } %116
}

; 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 @_ZNSaISt4pairIxS_IxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEC2EmRKS3_(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(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(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 @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIxS2_IxxEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIxS0_IxxEEED2Ev(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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIxS_IxxEE", !6, i64 0, !11, i64 8}
!11 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!10, !6, i64 8}
!15 = !{!10, !6, i64 16}
!16 = distinct !{!16, !13}


; 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, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, std::pair<long long, long long>>, std::allocator<std::pair<long long, std::pair<long long, long long>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair.0" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = 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
  %6 = alloca %"struct.std::pair.0", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %7 = 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
  %8 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaISt4pairIxS_IxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEC2EmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %8, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %9 unwind label %17

9:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIxS0_IxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = icmp sgt i64 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %9
  %12 = getelementptr inbounds i8, ptr %6, i64 8
  br label %19

._crit_edge:                                      ; preds = %26, %9
  %13 = call ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %14 = call ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIxS2_IxxEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr %13, ptr %14)
          to label %.preheader unwind label %38

.preheader:                                       ; preds = %._crit_edge
  %15 = load i64, ptr %1, align 8, !tbaa !5
  %16 = icmp sgt i64 %15, 0
  br i1 %16, label %.lr.ph25, label %._crit_edge26

17:                                               ; preds = %0
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIxS0_IxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %57

19:                                               ; preds = %.lr.ph, %26
  %.01722 = phi i64 [ 0, %.lr.ph ], [ %32, %26 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %21 = load i64, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %23 = sub nsw i64 %21, %22
  %24 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.01722) #6
  store i64 %23, ptr %24, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #6
  %25 = invoke { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %26 unwind label %35

26:                                               ; preds = %19
  %27 = extractvalue { i64, i64 } %25, 0
  store i64 %27, ptr %6, align 8
  %28 = extractvalue { i64, i64 } %25, 1
  store i64 %28, ptr %12, align 8
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.01722) #6
  %30 = getelementptr inbounds i8, ptr %29, i64 8
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 8 dereferenceable(16) %6) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %32 = add nuw nsw i64 %.01722, 1
  %33 = load i64, ptr %1, align 8, !tbaa !5
  %34 = icmp slt i64 %32, %33
  br i1 %34, label %19, label %._crit_edge, !llvm.loop !12

35:                                               ; preds = %19
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %56

._crit_edge26:                                    ; preds = %.lr.ph25, %.preheader
  %.015.lcssa = phi i64 [ 0, %.preheader ], [ %52, %.lr.ph25 ]
  %37 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.015.lcssa)
  call void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_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

38:                                               ; preds = %._crit_edge
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %56

.lr.ph25:                                         ; preds = %.preheader, %.lr.ph25
  %.024 = phi i64 [ %53, %.lr.ph25 ], [ 0, %.preheader ]
  %.01523 = phi i64 [ %52, %.lr.ph25 ], [ 0, %.preheader ]
  %40 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.024) #6
  %41 = getelementptr inbounds i8, ptr %40, i64 8
  %42 = load i64, ptr %41, align 8, !tbaa !14
  %43 = mul nsw i64 %42, %.024
  %44 = load i64, ptr %1, align 8, !tbaa !5
  %45 = xor i64 %.024, -1
  %46 = add i64 %44, %45
  %47 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.024) #6
  %48 = getelementptr inbounds i8, ptr %47, i64 16
  %49 = load i64, ptr %48, align 8, !tbaa !15
  %50 = mul nsw i64 %49, %46
  %51 = add i64 %43, %.01523
  %52 = add i64 %51, %50
  %53 = add nuw nsw i64 %.024, 1
  %54 = load i64, ptr %1, align 8, !tbaa !5
  %55 = icmp slt i64 %53, %54
  br i1 %55, label %.lr.ph25, label %._crit_edge26, !llvm.loop !16

56:                                               ; preds = %38, %35
  %.pn = phi { ptr, i32 } [ %36, %35 ], [ %39, %38 ]
  call void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %57

57:                                               ; preds = %56, %17
  %.pn.pn = phi { ptr, i32 } [ %.pn, %56 ], [ %18, %17 ]
  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 } %.pn.pn
}

; 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 @_ZNSaISt4pairIxS_IxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEC2EmRKS3_(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(24) ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(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 @_ZNSt4pairIxxEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIxS2_IxxEESt6vectorIS4_SaIS4_EEEEEvT_SA_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) 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 @_ZNSt6vectorISt4pairIxS0_IxxEESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIxS0_IxxEEED2Ev(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 = { 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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIxS_IxxEE", !6, i64 0, !11, i64 8}
!11 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!10, !6, i64 8}
!15 = !{!10, !6, i64 16}
!16 = distinct !{!16, !13}


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