; LLVM IR from seikhchilli/codeforces-solution :: 1385B (main)

; 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_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" }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, bool>, std::_Select1st<std::pair<const int, bool>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, bool>, std::_Select1st<std::pair<const int, bool>>, 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 }

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

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

14:                                               ; preds = %78, %0
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, -1
  store i32 %16, ptr %2, align 4, !tbaa !5
  %17 = icmp ne i32 %15, 0
  br i1 %17, label %18, label %85

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = zext i32 %20 to i64
  %22 = call ptr @llvm.stacksave.p0()
  store ptr %22, ptr %4, align 8
  %23 = alloca i32, i64 %21, align 16
  store i64 %21, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #7
  call void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %51, %18
  %25 = load i32, ptr %9, align 4, !tbaa !5
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = mul nsw i32 2, %26
  %28 = icmp slt i32 %25, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %54

30:                                               ; preds = %24
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %32 unwind label %46

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %34 unwind label %46

34:                                               ; preds = %32
  %35 = load i8, ptr %33, align 1, !tbaa !9, !range !11, !noundef !12
  %36 = trunc i8 %35 to i1
  br i1 %36, label %50, label %37

37:                                               ; preds = %34
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = load i32, ptr %8, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds i32, ptr %23, i64 %40
  store i32 %38, ptr %41, align 4, !tbaa !5
  %42 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %43 unwind label %46

43:                                               ; preds = %37
  store i8 1, ptr %42, align 1, !tbaa !9
  %44 = load i32, ptr %8, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %8, align 4, !tbaa !5
  br label %50

46:                                               ; preds = %37, %32, %30
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %10, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %84

50:                                               ; preds = %43, %34
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %9, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %9, align 4, !tbaa !5
  br label %24, !llvm.loop !13

54:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %55

55:                                               ; preds = %69, %54
  %56 = load i32, ptr %12, align 4, !tbaa !5
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = icmp slt i32 %56, %57
  br i1 %58, label %60, label %59

59:                                               ; preds = %55
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %76

60:                                               ; preds = %55
  %61 = load i32, ptr %12, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i32, ptr %23, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %64)
          to label %66 unwind label %72

66:                                               ; preds = %60
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef @.str)
          to label %68 unwind label %72

68:                                               ; preds = %66
  br label %69

69:                                               ; preds = %68
  %70 = load i32, ptr %12, align 4, !tbaa !5
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr %12, align 4, !tbaa !5
  br label %55, !llvm.loop !15

72:                                               ; preds = %66, %60
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %10, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %84

76:                                               ; preds = %59
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %78 unwind label %80

78:                                               ; preds = %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #7
  %79 = load ptr, ptr %4, align 8
  call void @llvm.stackrestore.p0(ptr %79)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %14, !llvm.loop !16

80:                                               ; preds = %76
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %10, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %11, align 4
  br label %84

84:                                               ; preds = %80, %72, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #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 %87

85:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %86 = load i32, ptr %1, align 4
  ret i32 %86

87:                                               ; preds = %84
  %88 = load ptr, ptr %10, align 8
  %89 = load i32, ptr %11, align 4
  %90 = insertvalue { ptr, i32 } poison, ptr %88, 0
  %91 = insertvalue { ptr, i32 } %90, i32 %89, 1
  resume { ptr, i32 } %91
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #5 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


; 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_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" }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, bool>, std::_Select1st<std::pair<const int, bool>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, bool>, std::_Select1st<std::pair<const int, bool>>, 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 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::map", align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %5 = 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)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %1, align 4, !tbaa !5
  %.not19 = icmp eq i32 %6, 0
  br i1 %.not19, label %._crit_edge22, label %.lr.ph21

.lr.ph21:                                         ; preds = %0, %48
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %8 = 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)
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = zext i32 %9 to i64
  %11 = call ptr @llvm.stacksave.p0()
  %12 = alloca i32, i64 %10, align 16
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #7
  call void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %31
  %15 = icmp sgt i32 %33, 0
  br i1 %15, label %.lr.ph18, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph21, %31
  %.01216 = phi i32 [ %32, %31 ], [ 0, %.lr.ph21 ]
  %.01315 = phi i32 [ %.1, %31 ], [ 0, %.lr.ph21 ]
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %17 unwind label %29

17:                                               ; preds = %.lr.ph
  %18 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %19 unwind label %29

19:                                               ; preds = %17
  %20 = load i8, ptr %18, align 1, !tbaa !9, !range !11, !noundef !12
  %21 = trunc nuw i8 %20 to i1
  br i1 %21, label %31, label %22

22:                                               ; preds = %19
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = sext i32 %.01315 to i64
  %25 = getelementptr inbounds i32, ptr %12, i64 %24
  store i32 %23, ptr %25, align 4, !tbaa !5
  %26 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %27 unwind label %29

27:                                               ; preds = %22
  store i8 1, ptr %26, align 1, !tbaa !9
  %28 = add nsw i32 %.01315, 1
  br label %31

29:                                               ; preds = %22, %17, %.lr.ph
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %53

31:                                               ; preds = %19, %27
  %.1 = phi i32 [ %.01315, %19 ], [ %28, %27 ]
  %32 = add nuw nsw i32 %.01216, 1
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = shl nsw i32 %33, 1
  %35 = icmp slt i32 %32, %34
  br i1 %35, label %.lr.ph, label %.preheader, !llvm.loop !13

._crit_edge:                                      ; preds = %42, %.lr.ph21, %.preheader
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %48 unwind label %51

.lr.ph18:                                         ; preds = %.preheader, %42
  %indvars.iv = phi i64 [ %indvars.iv.next, %42 ], [ 0, %.preheader ]
  %37 = getelementptr inbounds i32, ptr %12, i64 %indvars.iv
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %38)
          to label %40 unwind label %46

40:                                               ; preds = %.lr.ph18
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull @.str)
          to label %42 unwind label %46

42:                                               ; preds = %40
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = icmp slt i64 %indvars.iv.next, %44
  br i1 %45, label %.lr.ph18, label %._crit_edge, !llvm.loop !15

46:                                               ; preds = %40, %.lr.ph18
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %53

48:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #7
  call void @llvm.stackrestore.p0(ptr %11)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %49 = load i32, ptr %1, align 4, !tbaa !5
  %50 = add nsw i32 %49, -1
  store i32 %50, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %49, 0
  br i1 %.not, label %._crit_edge22, label %.lr.ph21, !llvm.loop !16

51:                                               ; preds = %._crit_edge
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %53

53:                                               ; preds = %51, %46, %29
  %.pn = phi { ptr, i32 } [ %30, %29 ], [ %47, %46 ], [ %52, %51 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #7
  call void @llvm.lifetime.end.p0(i64 48, 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 } %.pn

._crit_edge22:                                    ; preds = %48, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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 #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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 #5 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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIibSt4lessIiESaISt4pairIKibEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 }
attributes #4 = { 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 #5 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


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