; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2018-19/Jan 2019/Plat (redistricting)

; 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.MinDeque = type { i32, i32, %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, 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 }
%"struct.std::pair" = type { i32, i32 }

@D = external dso_local global %struct.MinDeque, align 8
@N = external dso_local global i32, align 4
@K = external dso_local global i32, align 4
@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@.str.7 = external hidden unnamed_addr constant [14 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 %"struct.std::pair", align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca %"struct.std::pair", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef @.str.7, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %12 unwind label %21

12:                                               ; preds = %0
  invoke void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %2)
          to label %13 unwind label %25

13:                                               ; preds = %12
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  call void @_ZN2io2reIiJiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4) @N, ptr noundef nonnull align 4 dereferenceable(4) @K, ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %14 = load i64, ptr %7, align 4
  call void @_ZN8MinDequeISt4pairIiiEE3insES1_(ptr noundef nonnull align 8 dereferenceable(88) @D, i64 %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %69, %13
  %16 = load i32, ptr %9, align 4, !tbaa !5
  %17 = load i32, ptr @N, align 4, !tbaa !5
  %18 = add nsw i32 %17, 1
  %19 = icmp slt i32 %16, %18
  br i1 %19, label %30, label %20

20:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %72

21:                                               ; preds = %0
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %4, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %5, align 4
  br label %29

25:                                               ; preds = %12
  %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
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br label %29

29:                                               ; preds = %25, %21
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  br label %74

30:                                               ; preds = %15
  %31 = load i32, ptr %9, align 4, !tbaa !5
  %32 = sub nsw i32 %31, 1
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %33)
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = sext i8 %35 to i32
  %37 = icmp eq i32 %36, 72
  br i1 %37, label %38, label %41

38:                                               ; preds = %30
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %6, align 4, !tbaa !5
  br label %44

41:                                               ; preds = %30
  %42 = load i32, ptr %6, align 4, !tbaa !5
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr %6, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %41, %38
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = load i32, ptr @K, align 4, !tbaa !5
  %47 = icmp sgt i32 %45, %46
  br i1 %47, label %48, label %49

48:                                               ; preds = %44
  call void @_ZN8MinDequeISt4pairIiiEE3delEv(ptr noundef nonnull align 8 dereferenceable(88) @D)
  br label %49

49:                                               ; preds = %48, %44
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %50 = call i64 @_ZN8MinDequeISt4pairIiiEE3getEv(ptr noundef nonnull align 8 dereferenceable(88) @D)
  store i64 %50, ptr %10, align 4
  %51 = getelementptr inbounds %"struct.std::pair", ptr %10, i32 0, i32 1
  %52 = load i32, ptr %51, align 4, !tbaa !10
  %53 = load i32, ptr %6, align 4, !tbaa !5
  %54 = icmp sge i32 %52, %53
  br i1 %54, label %55, label %59

55:                                               ; preds = %49
  %56 = getelementptr inbounds %"struct.std::pair", ptr %10, i32 0, i32 0
  %57 = load i32, ptr %56, align 4, !tbaa !12
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %56, align 4, !tbaa !12
  br label %59

59:                                               ; preds = %55, %49
  %60 = load i32, ptr %6, align 4, !tbaa !5
  %61 = getelementptr inbounds %"struct.std::pair", ptr %10, i32 0, i32 1
  store i32 %60, ptr %61, align 4, !tbaa !10
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %10, i64 8, i1 false)
  %62 = load i64, ptr %11, align 4
  call void @_ZN8MinDequeISt4pairIiiEE3insES1_(ptr noundef nonnull align 8 dereferenceable(88) @D, i64 %62)
  %63 = load i32, ptr %9, align 4, !tbaa !5
  %64 = load i32, ptr @N, align 4, !tbaa !5
  %65 = icmp eq i32 %63, %64
  br i1 %65, label %66, label %68

66:                                               ; preds = %59
  %67 = getelementptr inbounds %"struct.std::pair", ptr %10, i32 0, i32 0
  call void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %67)
  br label %68

68:                                               ; preds = %66, %59
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %69

69:                                               ; preds = %68
  %70 = load i32, ptr %9, align 4, !tbaa !5
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr %9, align 4, !tbaa !5
  br label %15, !llvm.loop !13

72:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %73 = load i32, ptr %1, align 4
  ret i32 %73

74:                                               ; preds = %29
  %75 = load ptr, ptr %4, align 8
  %76 = load i32, ptr %5, align 4
  %77 = insertvalue { ptr, i32 } poison, ptr %75, 0
  %78 = insertvalue { ptr, i32 } %77, i32 %76, 1
  resume { ptr, i32 } %78
}

; 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 @_ZN2io2reIiJiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(32)) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8MinDequeISt4pairIiiEE3insES1_(ptr noundef nonnull align 8 dereferenceable(88), i64) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8MinDequeISt4pairIiiEE3delEv(ptr noundef nonnull align 8 dereferenceable(88)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN8MinDequeISt4pairIiiEE3getEv(ptr noundef nonnull align 8 dereferenceable(88)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !6, i64 4}
!11 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!12 = !{!11, !6, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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.MinDeque = type { i32, i32, %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<std::pair<int, int>, int>, std::allocator<std::pair<std::pair<int, int>, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, 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 }
%"struct.std::pair" = type { i32, i32 }

@D = external dso_local global %struct.MinDeque, align 8
@N = external dso_local global i32, align 4
@K = external dso_local global i32, align 4
@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@.str.7 = external hidden unnamed_addr constant [14 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 %"struct.std::pair", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  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.7, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %7 unwind label %12

7:                                                ; preds = %0
  invoke void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %1)
          to label %8 unwind label %14

8:                                                ; preds = %7
  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 @_ZN2io2reIiJiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4) @N, ptr noundef nonnull align 4 dereferenceable(4) @K, ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %9 = load i64, ptr %4, align 8
  call void @_ZN8MinDequeISt4pairIiiEE3insES1_(ptr noundef nonnull align 8 dereferenceable(88) @D, i64 %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %.not11 = icmp slt i32 %10, 1
  br i1 %.not11, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %8
  %11 = getelementptr inbounds i8, ptr %6, i64 4
  br label %17

._crit_edge:                                      ; preds = %40, %8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  ret i32 0

12:                                               ; preds = %0
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %16

14:                                               ; preds = %7
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  br label %16

16:                                               ; preds = %14, %12
  %.pn = phi { ptr, i32 } [ %15, %14 ], [ %13, %12 ]
  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

17:                                               ; preds = %.lr.ph, %40
  %indvars.iv = phi i64 [ 1, %.lr.ph ], [ %indvars.iv.next, %40 ]
  %18 = add nsw i64 %indvars.iv, -1
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %18)
  %20 = load i8, ptr %19, align 1, !tbaa !9
  %21 = icmp eq i8 %20, 72
  %22 = load i32, ptr %3, align 4
  %storemerge.v = select i1 %21, i32 1, i32 -1
  %storemerge = add nsw i32 %storemerge.v, %22
  store i32 %storemerge, ptr %3, align 4, !tbaa !5
  %23 = load i32, ptr @K, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = icmp sgt i64 %indvars.iv, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %17
  call void @_ZN8MinDequeISt4pairIiiEE3delEv(ptr noundef nonnull align 8 dereferenceable(88) @D)
  br label %27

27:                                               ; preds = %26, %17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %28 = call i64 @_ZN8MinDequeISt4pairIiiEE3getEv(ptr noundef nonnull align 8 dereferenceable(88) @D)
  store i64 %28, ptr %6, align 8
  %29 = lshr i64 %28, 32
  %30 = trunc nuw i64 %29 to i32
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %.not10 = icmp sgt i32 %31, %30
  br i1 %.not10, label %35, label %32

32:                                               ; preds = %27
  %33 = trunc i64 %28 to i32
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %6, align 8, !tbaa !10
  br label %35

35:                                               ; preds = %32, %27
  store i32 %31, ptr %11, align 4, !tbaa !12
  %.sroa.0.0.copyload = load i64, ptr %6, align 8
  call void @_ZN8MinDequeISt4pairIiiEE3insES1_(ptr noundef nonnull align 8 dereferenceable(88) @D, i64 %.sroa.0.0.copyload)
  %36 = load i32, ptr @N, align 4, !tbaa !5
  %37 = zext i32 %36 to i64
  %38 = icmp eq i64 %indvars.iv, %37
  br i1 %38, label %39, label %40

39:                                               ; preds = %35
  call void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %6)
  %.pre = load i32, ptr @N, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %39, %35
  %41 = phi i32 [ %.pre, %39 ], [ %36, %35 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %42 = sext i32 %41 to i64
  %.not.not = icmp slt i64 %indvars.iv, %42
  br i1 %.not.not, label %17, label %._crit_edge, !llvm.loop !13
}

; 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 @_ZN2io2reIiJiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8MinDequeISt4pairIiiEE3insES1_(ptr noundef nonnull align 8 dereferenceable(88), i64) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8MinDequeISt4pairIiiEE3delEv(ptr noundef nonnull align 8 dereferenceable(88)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZN8MinDequeISt4pairIiiEE3getEv(ptr noundef nonnull align 8 dereferenceable(88)) local_unnamed_addr #0 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 = !{!7, !7, i64 0}
!10 = !{!11, !6, i64 0}
!11 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!12 = !{!11, !6, i64 4}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass