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

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, 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 <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.std::reverse_iterator" = type { %"struct.std::_Rb_tree_const_iterator" }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@dp = external dso_local global [40001 x i32], align 16
@pos = external dso_local global [40001 x i32], align 16
@second = external dso_local global %"class.std::set", align 8
@.str.6 = external hidden unnamed_addr constant [8 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 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::reverse_iterator", align 8
  %14 = alloca %"class.std::reverse_iterator", align 8
  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.6, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %15 unwind label %28

15:                                               ; preds = %0
  invoke void @_ZN2io5setIOENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %2)
          to label %16 unwind label %32

16:                                               ; preds = %15
  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 @_ZN2io2reIiJiEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4) @N, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  %17 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) @second, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %18 = getelementptr inbounds { ptr, i8 }, ptr %7, i32 0, i32 0
  %19 = extractvalue { ptr, i8 } %17, 0
  store ptr %19, ptr %18, align 8
  %20 = getelementptr inbounds { ptr, i8 }, ptr %7, i32 0, i32 1
  %21 = extractvalue { ptr, i8 } %17, 1
  store i8 %21, ptr %20, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %93, %16
  %23 = load i32, ptr %8, align 4, !tbaa !5
  %24 = load i32, ptr @N, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  %26 = icmp slt i32 %23, %25
  br i1 %26, label %37, label %27

27:                                               ; preds = %22
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %96

28:                                               ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %4, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %5, align 4
  br label %36

32:                                               ; preds = %15
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %4, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br label %36

36:                                               ; preds = %32, %28
  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 %101

37:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  call void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4) %10)
  %38 = load i32, ptr %10, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [40001 x i32], ptr @pos, i64 0, i64 %39
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = icmp ne i32 %41, 0
  br i1 %42, label %43, label %48

43:                                               ; preds = %37
  %44 = load i32, ptr %10, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [40001 x i32], ptr @pos, i64 0, i64 %45
  %47 = call noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @second, ptr noundef nonnull align 4 dereferenceable(4) %46)
  br label %48

48:                                               ; preds = %43, %37
  %49 = load i32, ptr %8, align 4, !tbaa !5
  %50 = load i32, ptr %10, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [40001 x i32], ptr @pos, i64 0, i64 %51
  store i32 %49, ptr %52, align 4, !tbaa !5
  %53 = load i32, ptr %10, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [40001 x i32], ptr @pos, i64 0, i64 %54
  %56 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @second, ptr noundef nonnull align 4 dereferenceable(4) %55)
  %57 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 0
  %58 = extractvalue { ptr, i8 } %56, 0
  store ptr %58, ptr %57, align 8
  %59 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 1
  %60 = extractvalue { ptr, i8 } %56, 1
  store i8 %60, ptr %59, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !5
  %61 = load i32, ptr %8, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %62
  store i32 1000000007, ptr %63, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  call void @_ZNKSt3setIiSt4lessIiESaIiEE6rbeginEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %13, ptr noundef nonnull align 8 dereferenceable(48) @second) #5
  br label %64

64:                                               ; preds = %88, %48
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  call void @_ZNKSt3setIiSt4lessIiESaIiEE4rendEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %14, ptr noundef nonnull align 8 dereferenceable(48) @second) #5
  %65 = call noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIiEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14)
  br i1 %65, label %66, label %72

66:                                               ; preds = %64
  %67 = load i32, ptr %12, align 4, !tbaa !5
  %68 = load i32, ptr %12, align 4, !tbaa !5
  %69 = mul nsw i32 %67, %68
  %70 = load i32, ptr @N, align 4, !tbaa !5
  %71 = icmp sle i32 %69, %70
  br label %72

72:                                               ; preds = %66, %64
  %73 = phi i1 [ false, %64 ], [ %71, %66 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br i1 %73, label %75, label %74

74:                                               ; preds = %72
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %92

75:                                               ; preds = %72
  %76 = load i32, ptr %8, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %77
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13)
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %81
  %83 = load i32, ptr %82, align 4, !tbaa !5
  %84 = load i32, ptr %12, align 4, !tbaa !5
  %85 = load i32, ptr %12, align 4, !tbaa !5
  %86 = mul nsw i32 %84, %85
  %87 = add nsw i32 %83, %86
  call void @_Z5ckminIiEvRT_S0_(ptr noundef nonnull align 4 dereferenceable(4) %78, i32 noundef %87)
  br label %88

88:                                               ; preds = %75
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13)
  %90 = load i32, ptr %12, align 4, !tbaa !5
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %12, align 4, !tbaa !5
  br label %64, !llvm.loop !9

92:                                               ; preds = %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %93

93:                                               ; preds = %92
  %94 = load i32, ptr %8, align 4, !tbaa !5
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %8, align 4, !tbaa !5
  br label %22, !llvm.loop !11

96:                                               ; preds = %27
  %97 = load i32, ptr @N, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %98
  call void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %99)
  %100 = load i32, ptr %1, align 4
  ret i32 %100

101:                                              ; preds = %36
  %102 = load ptr, ptr %4, align 8
  %103 = load i32, ptr %5, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105
}

; 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 @_ZN2io2reIiJiEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNKSt3setIiSt4lessIiESaIiEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIiEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNKSt3setIiSt4lessIiESaIiEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5ckminIiEvRT_S0_(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, 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 }
%"class.std::reverse_iterator" = type { %"struct.std::_Rb_tree_const_iterator" }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@dp = external dso_local global [40001 x i32], align 16
@pos = external dso_local global [40001 x i32], align 16
@second = external dso_local global %"class.std::set", align 8
@.str.6 = external hidden unnamed_addr constant [8 x i8], align 1

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

declare i32 @__gxx_personality_v0(...)

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

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::allocator", align 1
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::reverse_iterator", align 8
  %6 = alloca %"class.std::reverse_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %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) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #5
  call void @_ZN2io2reIiJiEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4) @N, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  %9 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) @second, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %.not22 = icmp slt i32 %10, 1
  br i1 %.not22, label %.._crit_edge_crit_edge, label %.lr.ph24

.._crit_edge_crit_edge:                           ; preds = %8
  %.pre29 = sext i32 %10 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %.loopexit, %.._crit_edge_crit_edge
  %.pre-phi30 = phi i64 [ %.pre29, %.._crit_edge_crit_edge ], [ %32, %.loopexit ]
  %11 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %.pre-phi30
  call void @_ZN2io2prIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %11)
  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) #5
  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) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn

.lr.ph24:                                         ; preds = %8, %.loopexit
  %indvars.iv = phi i64 [ %indvars.iv.next, %.loopexit ], [ 1, %8 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @_ZN2io2reIiEEvRT_(ptr noundef nonnull align 4 dereferenceable(4) %4)
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [40001 x i32], ptr @pos, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %.not19 = icmp eq i32 %20, 0
  br i1 %.not19, label %23, label %21

21:                                               ; preds = %.lr.ph24
  %22 = call noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) @second, ptr noundef nonnull align 4 dereferenceable(4) %19)
  %.pre = load i32, ptr %4, align 4, !tbaa !5
  %.pre28 = sext i32 %.pre to i64
  br label %23

23:                                               ; preds = %21, %.lr.ph24
  %.pre-phi = phi i64 [ %.pre28, %21 ], [ %18, %.lr.ph24 ]
  %24 = getelementptr inbounds [40001 x i32], ptr @pos, i64 0, i64 %.pre-phi
  %25 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %25, ptr %24, align 4, !tbaa !5
  %26 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @second, ptr noundef nonnull align 4 dereferenceable(4) %24)
  %27 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %indvars.iv
  store i32 1000000007, ptr %27, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  call void @_ZNKSt3setIiSt4lessIiESaIiEE6rbeginEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %5, ptr noundef nonnull align 8 dereferenceable(48) @second) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  call void @_ZNKSt3setIiSt4lessIiESaIiEE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(48) @second) #5
  %28 = call noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIiEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  br i1 %28, label %.lr.ph, label %.critedge

.lr.ph:                                           ; preds = %23, %33
  %.021 = phi i32 [ %41, %33 ], [ 0, %23 ]
  %29 = mul nuw nsw i32 %.021, %.021
  %30 = load i32, ptr @N, align 4, !tbaa !5
  %.not20 = icmp sgt i32 %29, %30
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br i1 %.not20, label %.loopexit, label %33

.critedge:                                        ; preds = %33, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %.pre27 = load i32, ptr @N, align 4, !tbaa !5
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph, %.critedge
  %31 = phi i32 [ %.pre27, %.critedge ], [ %30, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %32 = sext i32 %31 to i64
  %.not.not = icmp slt i64 %indvars.iv, %32
  br i1 %.not.not, label %.lr.ph24, label %._crit_edge, !llvm.loop !9

33:                                               ; preds = %.lr.ph
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5)
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [40001 x i32], ptr @dp, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = add nsw i32 %38, %29
  call void @_Z5ckminIiEvRT_S0_(ptr noundef nonnull align 4 dereferenceable(4) %27, i32 noundef %39)
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5)
  %41 = add nuw nsw i32 %.021, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  call void @_ZNKSt3setIiSt4lessIiESaIiEE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(48) @second) #5
  %42 = call noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIiEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  br i1 %42, label %.lr.ph, label %.critedge, !llvm.loop !11
}

; 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 @_ZN2io2reIiJiEEEvRT_DpRT0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNKSt3setIiSt4lessIiESaIiEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIiEEbRKSt16reverse_iteratorIT_ES6_(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 void @_ZNKSt3setIiSt4lessIiESaIiEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5ckminIiEvRT_S0_(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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