; LLVM IR from kazunetakahashi/atcoder :: 2019/0915_ABC141/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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::priority_queue", align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %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) %2)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #7
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %24, %0
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %31

20:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %22 unwind label %27

22:                                               ; preds = %20
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(25) %4, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %23 unwind label %27

23:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %24

24:                                               ; preds = %23
  %25 = load i32, ptr %5, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %5, align 4, !tbaa !5
  br label %15, !llvm.loop !9

27:                                               ; preds = %22, %20
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %7, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %84

31:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %45, %31
  %33 = load i32, ptr %9, align 4, !tbaa !5
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %52

37:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
          to label %39 unwind label %48

39:                                               ; preds = %37
  %40 = load i64, ptr %38, align 8, !tbaa !11
  store i64 %40, ptr %10, align 8, !tbaa !11
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
          to label %41 unwind label %48

41:                                               ; preds = %39
  %42 = load i64, ptr %10, align 8, !tbaa !11
  %43 = sdiv i64 %42, 2
  store i64 %43, ptr %10, align 8, !tbaa !11
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(25) %4, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %44 unwind label %48

44:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  br label %45

45:                                               ; preds = %44
  %46 = load i32, ptr %9, align 4, !tbaa !5
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %9, align 4, !tbaa !5
  br label %32, !llvm.loop !13

48:                                               ; preds = %41, %39, %37
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %7, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %84

52:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  store i64 0, ptr %11, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %53

53:                                               ; preds = %65, %52
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = load i32, ptr %2, align 4, !tbaa !5
  %56 = icmp slt i32 %54, %55
  br i1 %56, label %58, label %57

57:                                               ; preds = %53
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %72

58:                                               ; preds = %53
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
          to label %60 unwind label %68

60:                                               ; preds = %58
  %61 = load i64, ptr %59, align 8, !tbaa !11
  %62 = load i64, ptr %11, align 8, !tbaa !11
  %63 = add nsw i64 %62, %61
  store i64 %63, ptr %11, align 8, !tbaa !11
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
          to label %64 unwind label %68

64:                                               ; preds = %60
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %12, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %12, align 4, !tbaa !5
  br label %53, !llvm.loop !14

68:                                               ; preds = %60, %58
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %7, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %83

72:                                               ; preds = %57
  %73 = load i64, ptr %11, align 8, !tbaa !11
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %73)
          to label %75 unwind label %79

75:                                               ; preds = %72
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %77 unwind label %79

77:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %78 = load i32, ptr %1, align 4
  ret i32 %78

79:                                               ; preds = %75, %72
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %7, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %8, align 4
  br label %83

83:                                               ; preds = %79, %68
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %84

84:                                               ; preds = %83, %48, %27
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %85

85:                                               ; preds = %84
  %86 = load ptr, ptr %7, align 8
  %87 = load i32, ptr %8, align 4
  %88 = insertvalue { ptr, i32 } poison, ptr %86, 0
  %89 = insertvalue { ptr, i32 } %88, i32 %87, 1
  resume { ptr, i32 } %89
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #6 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 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint 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 #7 = { 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}
!14 = distinct !{!14, !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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::priority_queue", align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %.preheader19

.preheader19:                                     ; preds = %15, %0
  %10 = phi i32 [ %8, %0 ], [ %17, %15 ]
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph23, label %.preheader

.lr.ph:                                           ; preds = %0, %15
  %.01521 = phi i32 [ %16, %15 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %14 unwind label %19

14:                                               ; preds = %.lr.ph
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %15 unwind label %19

15:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  %16 = add nuw nsw i32 %.01521, 1
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %.lr.ph, label %.preheader19, !llvm.loop !9

19:                                               ; preds = %14, %.lr.ph
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  br label %49

.preheader.loopexit:                              ; preds = %28
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.preheader.loopexit, %.preheader19
  %21 = phi i32 [ %.pre, %.preheader.loopexit ], [ %10, %.preheader19 ]
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph26, label %._crit_edge

.lr.ph23:                                         ; preds = %.preheader19, %28
  %.01122 = phi i32 [ %29, %28 ], [ 0, %.preheader19 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %24 = load i64, ptr %23, align 8, !tbaa !11
  store i64 %24, ptr %5, align 8, !tbaa !11
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %25 unwind label %32

25:                                               ; preds = %.lr.ph23
  %26 = load i64, ptr %5, align 8, !tbaa !11
  %27 = sdiv i64 %26, 2
  store i64 %27, ptr %5, align 8, !tbaa !11
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %28 unwind label %32

28:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  %29 = add nuw nsw i32 %.01122, 1
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %.lr.ph23, label %.preheader.loopexit, !llvm.loop !13

32:                                               ; preds = %25, %.lr.ph23
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %49

._crit_edge:                                      ; preds = %37, %.preheader
  %.010.lcssa = phi i64 [ 0, %.preheader ], [ %38, %37 ]
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.010.lcssa)
          to label %44 unwind label %47

.lr.ph26:                                         ; preds = %.preheader, %37
  %.025 = phi i32 [ %39, %37 ], [ 0, %.preheader ]
  %.01024 = phi i64 [ %38, %37 ], [ 0, %.preheader ]
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %36 = load i64, ptr %35, align 8, !tbaa !11
  invoke void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %37 unwind label %42

37:                                               ; preds = %.lr.ph26
  %38 = add nsw i64 %36, %.01024
  %39 = add nuw nsw i32 %.025, 1
  %40 = load i32, ptr %1, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %.lr.ph26, label %._crit_edge, !llvm.loop !14

42:                                               ; preds = %.lr.ph26
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %49

44:                                               ; preds = %._crit_edge
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %46 unwind label %47

46:                                               ; preds = %44
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

47:                                               ; preds = %44, %._crit_edge
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %49

49:                                               ; preds = %42, %47, %32, %19
  %.pn17 = phi { ptr, i32 } [ %20, %19 ], [ %33, %32 ], [ %43, %42 ], [ %48, %47 ]
  call void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn17
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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 #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(25), 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.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueIxSt6vectorIxSaIxEESt4lessIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #6 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 = { 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 #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint 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 #7 = { 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}
!14 = distinct !{!14, !10}


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