; LLVM IR from eyangch/competitive-programming :: AdventOfCode/2020/day15 (1)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_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::basic_istream" = type { ptr, i64, %"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_ostream" = type { ptr, %"class.std::basic_ios" }

@rec = external dso_local global %"class.std::map", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i8, align 1
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %9 = load ptr, ptr @stdin, align 8, !tbaa !5
  %10 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.2, ptr noundef %9)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  store i64 0, ptr %2, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  store i64 0, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #5
  store i8 1, ptr %4, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 0, ptr %5, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %28, %0
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %12, i64 %15
  %17 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %16)
  br i1 %17, label %18, label %34

18:                                               ; preds = %11
  %19 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %20 = icmp ne i64 %19, 0
  %21 = xor i1 %20, true
  %22 = zext i1 %21 to i8
  store i8 %22, ptr %4, align 1, !tbaa !11
  %23 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %24 = icmp ne i64 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %18
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %27 = load i64, ptr %26, align 8, !tbaa !9
  store i64 %27, ptr %5, align 8, !tbaa !9
  br label %28

28:                                               ; preds = %25, %18
  %29 = load i64, ptr %3, align 8, !tbaa !9
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  store i64 %29, ptr %30, align 8, !tbaa !9
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef 1)
  %32 = load i64, ptr %3, align 8, !tbaa !9
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %3, align 8, !tbaa !9
  br label %11, !llvm.loop !15

34:                                               ; preds = %11
  br label %35

35:                                               ; preds = %72, %34
  %36 = load i64, ptr %3, align 8, !tbaa !9
  %37 = icmp slt i64 %36, 2020
  br i1 %37, label %38, label %75

38:                                               ; preds = %35
  %39 = load i8, ptr %4, align 1, !tbaa !11, !range !17, !noundef !18
  %40 = trunc i8 %39 to i1
  br i1 %40, label %41, label %54

41:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !9
  %42 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %43 = icmp ne i64 %42, 0
  %44 = xor i1 %43, true
  %45 = zext i1 %44 to i8
  store i8 %45, ptr %4, align 1, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !9
  %46 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %7)
  %47 = icmp ne i64 %46, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br i1 %47, label %48, label %51

48:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 0, ptr %8, align 8, !tbaa !9
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %8)
  %50 = load i64, ptr %49, align 8, !tbaa !9
  store i64 %50, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %51

51:                                               ; preds = %48, %41
  store i64 0, ptr %2, align 8, !tbaa !9
  %52 = load i64, ptr %3, align 8, !tbaa !9
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  store i64 %52, ptr %53, align 8, !tbaa !9
  br label %71

54:                                               ; preds = %38
  %55 = load i64, ptr %3, align 8, !tbaa !9
  %56 = load i64, ptr %5, align 8, !tbaa !9
  %57 = sub nsw i64 %55, %56
  %58 = sub nsw i64 %57, 1
  store i64 %58, ptr %2, align 8, !tbaa !9
  %59 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %60 = icmp ne i64 %59, 0
  %61 = xor i1 %60, true
  %62 = zext i1 %61 to i8
  store i8 %62, ptr %4, align 1, !tbaa !11
  %63 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %64 = icmp ne i64 %63, 0
  br i1 %64, label %65, label %68

65:                                               ; preds = %54
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %67 = load i64, ptr %66, align 8, !tbaa !9
  store i64 %67, ptr %5, align 8, !tbaa !9
  br label %68

68:                                               ; preds = %65, %54
  %69 = load i64, ptr %3, align 8, !tbaa !9
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  store i64 %69, ptr %70, align 8, !tbaa !9
  br label %71

71:                                               ; preds = %68, %51
  br label %72

72:                                               ; preds = %71
  %73 = load i64, ptr %3, align 8, !tbaa !9
  %74 = add nsw i64 %73, 1
  store i64 %74, ptr %3, align 8, !tbaa !9
  br label %35, !llvm.loop !19

75:                                               ; preds = %35
  %76 = load i64, ptr %2, align 8, !tbaa !9
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %76)
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %77, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #1

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

; 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)) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEl(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) #1

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #3 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) #3 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)) #4

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 = { "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 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !16}


; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_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::basic_istream" = type { ptr, i64, %"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_ostream" = type { ptr, %"class.std::basic_ios" }

@rec = external dso_local global %"class.std::map", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = load ptr, ptr @stdin, align 8, !tbaa !5
  %6 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.2, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  store i64 0, ptr %1, align 8, !tbaa !9
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %8 = load ptr, ptr %7, align 8, !tbaa !11
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr %7, i64 %10
  %12 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %11)
  br i1 %12, label %.lr.ph, label %.lr.ph24.preheader

.preheader:                                       ; preds = %19
  %.not15.le = icmp eq i64 %14, 0
  %13 = icmp ult i64 %.01217, 2019
  br i1 %13, label %.lr.ph24.preheader, label %._crit_edge

.lr.ph24.preheader:                               ; preds = %0, %.preheader
  %.223.ph = phi i64 [ 0, %0 ], [ %.1, %.preheader ]
  %.11022.ph = phi i1 [ true, %0 ], [ %.not15.le, %.preheader ]
  %.11321.ph = phi i64 [ 0, %0 ], [ %22, %.preheader ]
  br label %.lr.ph24

.lr.ph:                                           ; preds = %0, %19
  %.018 = phi i64 [ %.1, %19 ], [ 0, %0 ]
  %.01217 = phi i64 [ %22, %19 ], [ 0, %0 ]
  %14 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %15 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %.not16 = icmp eq i64 %15, 0
  br i1 %.not16, label %19, label %16

16:                                               ; preds = %.lr.ph
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %18 = load i64, ptr %17, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %16, %.lr.ph
  %.1 = phi i64 [ %18, %16 ], [ %.018, %.lr.ph ]
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  store i64 %.01217, ptr %20, align 8, !tbaa !9
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef 1)
  %22 = add nuw nsw i64 %.01217, 1
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %24 = load ptr, ptr %23, align 8, !tbaa !11
  %25 = getelementptr i8, ptr %24, i64 -24
  %26 = load i64, ptr %25, align 8
  %27 = getelementptr inbounds i8, ptr %23, i64 %26
  %28 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %27)
  br i1 %28, label %.lr.ph, label %.preheader, !llvm.loop !13

.lr.ph24:                                         ; preds = %.lr.ph24.preheader, %44
  %.223 = phi i64 [ %.5, %44 ], [ %.223.ph, %.lr.ph24.preheader ]
  %.11022 = phi i1 [ %.211.in.not, %44 ], [ %.11022.ph, %.lr.ph24.preheader ]
  %.11321 = phi i64 [ %46, %44 ], [ %.11321.ph, %.lr.ph24.preheader ]
  br i1 %.11022, label %29, label %36

29:                                               ; preds = %.lr.ph24
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  store i64 0, ptr %2, align 8, !tbaa !9
  %30 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  store i64 0, ptr %3, align 8, !tbaa !9
  %31 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %.not14 = icmp eq i64 %31, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %.not14, label %35, label %32

32:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  store i64 0, ptr %4, align 8, !tbaa !9
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %34 = load i64, ptr %33, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %35

35:                                               ; preds = %32, %29
  %.3 = phi i64 [ %34, %32 ], [ %.223, %29 ]
  store i64 0, ptr %1, align 8, !tbaa !9
  br label %44

36:                                               ; preds = %.lr.ph24
  %37 = xor i64 %.223, -1
  %38 = add i64 %.11321, %37
  store i64 %38, ptr %1, align 8, !tbaa !9
  %39 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %40 = call noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %.not = icmp eq i64 %40, 0
  br i1 %.not, label %44, label %41

41:                                               ; preds = %36
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %43 = load i64, ptr %42, align 8, !tbaa !9
  br label %44

44:                                               ; preds = %36, %41, %35
  %.211.in.in = phi i64 [ %30, %35 ], [ %39, %41 ], [ %39, %36 ]
  %.5 = phi i64 [ %.3, %35 ], [ %43, %41 ], [ %.223, %36 ]
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @rec, ptr noundef nonnull align 8 dereferenceable(8) %1)
  store i64 %.11321, ptr %45, align 8, !tbaa !9
  %.211.in.not = icmp eq i64 %.211.in.in, 0
  %46 = add i64 %.11321, 1
  %exitcond.not = icmp eq i64 %46, 2020
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph24, !llvm.loop !15

._crit_edge:                                      ; preds = %44, %.preheader
  %47 = load i64, ptr %1, align 8, !tbaa !9
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %47)
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; 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 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 #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEl(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) local_unnamed_addr #1

; 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 uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 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 #3 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 #3 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)) #4

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 = { "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 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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