; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/1553 (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, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, 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 }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair.0" = type { i32, i32 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_iterator", i8, [7 x i8] }>
%"struct.std::pair.2" = type { i32, i32 }

@_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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::map", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %10 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %11 = alloca %"struct.std::pair.0", align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca ptr, align 8
  %15 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %16 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %17 = alloca %"struct.std::pair.2", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #7
  br label %18

18:                                               ; preds = %105, %0
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %20 unwind label %56

20:                                               ; preds = %18
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %22 unwind label %56

22:                                               ; preds = %20
  %23 = load ptr, ptr %21, align 8, !tbaa !5
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr %21, i64 %25
  %27 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %26)
          to label %28 unwind label %56

28:                                               ; preds = %22
  br i1 %27, label %29, label %32

29:                                               ; preds = %28
  %30 = load i32, ptr %2, align 4, !tbaa !8
  %31 = icmp ne i32 %30, 0
  br i1 %31, label %35, label %32

32:                                               ; preds = %29, %28
  %33 = load i32, ptr %3, align 4, !tbaa !8
  %34 = icmp ne i32 %33, 0
  br label %35

35:                                               ; preds = %32, %29
  %36 = phi i1 [ true, %29 ], [ %34, %32 ]
  br i1 %36, label %37, label %106

37:                                               ; preds = %35
  store i32 0, ptr %5, align 4, !tbaa !8
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #7
  br label %38

38:                                               ; preds = %77, %37
  %39 = load i32, ptr %2, align 4, !tbaa !8
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr %2, align 4, !tbaa !8
  %41 = icmp ne i32 %39, 0
  br i1 %41, label %42, label %78

42:                                               ; preds = %38
  %43 = 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 %44 unwind label %56

44:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  %45 = invoke ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %46 unwind label %60

46:                                               ; preds = %44
  %47 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %9, i32 0, i32 0
  store ptr %45, ptr %47, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  %48 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #7
  %49 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %10, i32 0, i32 0
  store ptr %48, ptr %49, align 8
  %50 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  br i1 %50, label %51, label %64

51:                                               ; preds = %46
  %52 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE2atERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %53 unwind label %56

53:                                               ; preds = %51
  %54 = load i32, ptr %52, align 4, !tbaa !8
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %52, align 4, !tbaa !8
  br label %77

56:                                               ; preds = %103, %100, %51, %42, %22, %20, %18
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %7, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %8, align 4
  br label %108

60:                                               ; preds = %44
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %7, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  br label %108

64:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 1, ptr %12, align 4, !tbaa !8
  %65 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %66 unwind label %73

66:                                               ; preds = %64
  store i64 %65, ptr %11, align 4
  %67 = invoke { ptr, i8 } @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE6insertIS2_IiiEEENSt9enable_ifIXsr16is_constructibleIS4_T_EE5valueES2_ISt17_Rb_tree_iteratorIS4_EbEE4typeEOSA_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %68 unwind label %73

68:                                               ; preds = %66
  %69 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 0
  %70 = extractvalue { ptr, i8 } %67, 0
  store ptr %70, ptr %69, align 8
  %71 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 1
  %72 = extractvalue { ptr, i8 } %67, 1
  store i8 %72, ptr %71, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %77

73:                                               ; preds = %66, %64
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %7, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %108

77:                                               ; preds = %68, %53
  br label %38, !llvm.loop !11

78:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  store ptr %6, ptr %14, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %79 = load ptr, ptr %14, align 8, !tbaa !13
  %80 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %79) #7
  %81 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %15, i32 0, i32 0
  store ptr %80, ptr %81, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %82 = load ptr, ptr %14, align 8, !tbaa !13
  %83 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %82) #7
  %84 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %16, i32 0, i32 0
  store ptr %83, ptr %84, align 8
  br label %85

85:                                               ; preds = %98, %78
  %86 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %86, label %88, label %87

87:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %100

88:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %89 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 4 %89, i64 8, i1 false)
  %90 = getelementptr inbounds %"struct.std::pair.2", ptr %17, i32 0, i32 1
  %91 = load i32, ptr %90, align 4, !tbaa !15
  %92 = load i32, ptr %3, align 4, !tbaa !8
  %93 = icmp sge i32 %91, %92
  br i1 %93, label %94, label %97

94:                                               ; preds = %88
  %95 = load i32, ptr %5, align 4, !tbaa !8
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %5, align 4, !tbaa !8
  br label %97

97:                                               ; preds = %94, %88
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  br label %98

98:                                               ; preds = %97
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  br label %85

100:                                              ; preds = %87
  %101 = load i32, ptr %5, align 4, !tbaa !8
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %101)
          to label %103 unwind label %56

103:                                              ; preds = %100
  %104 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %102, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %105 unwind label %56

105:                                              ; preds = %103
  br label %18, !llvm.loop !17

106:                                              ; preds = %35
  store i32 0, ptr %1, align 4
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(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 %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %107 = load i32, ptr %1, align 4
  ret i32 %107

108:                                              ; preds = %73, %60, %56
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(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 %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %109

109:                                              ; preds = %108
  %110 = load ptr, ptr %7, align 8
  %111 = load i32, ptr %8, align 4
  %112 = insertvalue { ptr, i32 } poison, ptr %110, 0
  %113 = insertvalue { ptr, i32 } %112, i32 %111, 1
  resume { ptr, i32 } %113
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 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: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE2atERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE6insertIS2_IiiEEENSt9enable_ifIXsr16is_constructibleIS4_T_EE5valueES2_ISt17_Rb_tree_iteratorIS4_EbEE4typeEOSA_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 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) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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 @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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 = { 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 #3 = { "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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !10, i64 0}
!15 = !{!16, !9, i64 4}
!16 = !{!"_ZTSSt4pairIKiiE", !9, i64 0, !9, i64 4}
!17 = distinct !{!17, !12}


; 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, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, 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 }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair.0" = type { i32, i32 }

@_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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::map", align 8
  %5 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %6 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %7 = alloca %"struct.std::pair.0", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %10 = alloca %"struct.std::_Rb_tree_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %4) #6
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  br label %11

11:                                               ; preds = %60, %0
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %13 unwind label %.loopexit.split-lp

13:                                               ; preds = %11
  %14 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %15 unwind label %.loopexit.split-lp

15:                                               ; preds = %13
  %16 = load ptr, ptr %14, align 8, !tbaa !5
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr %14, i64 %18
  %20 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %19)
          to label %21 unwind label %.loopexit.split-lp

21:                                               ; preds = %15
  %22 = load i32, ptr %1, align 4
  %23 = icmp ne i32 %22, 0
  %or.cond = select i1 %20, i1 %23, i1 false
  %24 = load i32, ptr %2, align 4
  %25 = icmp ne i32 %24, 0
  %or.cond3 = select i1 %or.cond, i1 true, i1 %25
  br i1 %or.cond3, label %.critedge, label %62

.critedge:                                        ; preds = %21
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  %26 = load i32, ptr %1, align 4, !tbaa !8
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %1, align 4, !tbaa !8
  %.not14 = icmp eq i32 %26, 0
  br i1 %.not14, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.critedge, %48
  %28 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %29 unwind label %.loopexit

29:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %30 = invoke ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %31 unwind label %39

31:                                               ; preds = %29
  store ptr %30, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %32 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  store ptr %32, ptr %6, align 8
  %33 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br i1 %33, label %34, label %41

34:                                               ; preds = %31
  %35 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE2atERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %36 unwind label %.loopexit

36:                                               ; preds = %34
  %37 = load i32, ptr %35, align 4, !tbaa !8
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %35, align 4, !tbaa !8
  br label %48

.loopexit:                                        ; preds = %.lr.ph, %34
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %63

.loopexit.split-lp:                               ; preds = %11, %13, %15, %._crit_edge18, %60
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %63

39:                                               ; preds = %29
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %63

41:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  store i32 1, ptr %8, align 4, !tbaa !8
  %42 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %43 unwind label %46

43:                                               ; preds = %41
  store i64 %42, ptr %7, align 8
  %44 = invoke { ptr, i8 } @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE6insertIS2_IiiEEENSt9enable_ifIXsr16is_constructibleIS4_T_EE5valueES2_ISt17_Rb_tree_iteratorIS4_EbEE4typeEOSA_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %45 unwind label %46

45:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %48

46:                                               ; preds = %43, %41
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %63

48:                                               ; preds = %45, %36
  %49 = load i32, ptr %1, align 4, !tbaa !8
  %50 = add nsw i32 %49, -1
  store i32 %50, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %49, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %48, %.critedge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %51 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  store ptr %51, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %52 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  store ptr %52, ptr %10, align 8
  %53 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br i1 %53, label %.lr.ph17, label %._crit_edge18

._crit_edge18:                                    ; preds = %.lr.ph17, %._crit_edge
  %.0.lcssa = phi i32 [ 0, %._crit_edge ], [ %spec.select, %.lr.ph17 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.0.lcssa)
          to label %60 unwind label %.loopexit.split-lp

.lr.ph17:                                         ; preds = %._crit_edge, %.lr.ph17
  %.015 = phi i32 [ %spec.select, %.lr.ph17 ], [ 0, %._crit_edge ]
  %55 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %.sroa.3.0..sroa_idx = getelementptr inbounds i8, ptr %55, i64 4
  %.sroa.3.0.copyload = load i32, ptr %.sroa.3.0..sroa_idx, align 4
  %56 = load i32, ptr %2, align 4, !tbaa !8
  %.not12 = icmp sge i32 %.sroa.3.0.copyload, %56
  %57 = zext i1 %.not12 to i32
  %spec.select = add nuw nsw i32 %.015, %57
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %59 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br i1 %59, label %.lr.ph17, label %._crit_edge18

60:                                               ; preds = %._crit_edge18
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %54, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %11 unwind label %.loopexit.split-lp, !llvm.loop !13

62:                                               ; preds = %21
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

63:                                               ; preds = %.loopexit, %.loopexit.split-lp, %46, %39
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %40, %39 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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 #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 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: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE2atERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE6insertIS2_IiiEEENSt9enable_ifIXsr16is_constructibleIS4_T_EE5valueES2_ISt17_Rb_tree_iteratorIS4_EbEE4typeEOSA_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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 #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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 = { 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 #3 = { "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 = { 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 = { 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 #6 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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