; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/1245 (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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type <{ i32, i8, [3 x i8] }>
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@_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 i8, align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i8, align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"struct.std::pair", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #8
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #8
  call void @_ZNSt6vectorISt4pairIicESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %7) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #8
  br label %18

18:                                               ; preds = %104, %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 %43

20:                                               ; preds = %18
  %21 = load ptr, ptr %19, align 8, !tbaa !5
  %22 = getelementptr i8, ptr %21, i64 -24
  %23 = load i64, ptr %22, align 8
  %24 = getelementptr inbounds i8, ptr %19, i64 %23
  %25 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %24)
          to label %26 unwind label %43

26:                                               ; preds = %20
  br i1 %25, label %27, label %105

27:                                               ; preds = %26
  store i32 0, ptr %4, align 4, !tbaa !8
  store i8 0, ptr %8, align 1, !tbaa !11
  call void @_ZNSt6vectorISt4pairIicESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  br label %28

28:                                               ; preds = %98, %27
  %29 = load i32, ptr %2, align 4, !tbaa !8
  %30 = add nsw i32 %29, -1
  store i32 %30, ptr %2, align 4, !tbaa !8
  %31 = icmp ne i32 %29, 0
  br i1 %31, label %32, label %99

32:                                               ; preds = %28
  %33 = 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 %34 unwind label %43

34:                                               ; preds = %32
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %33, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %36 unwind label %43

36:                                               ; preds = %34
  %37 = call noundef zeroext i1 @_ZNKSt6vectorISt4pairIicESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  br i1 %37, label %38, label %51

38:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %39 = invoke i64 @_ZSt9make_pairIRiRcESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %40 unwind label %47

40:                                               ; preds = %38
  %41 = trunc i64 %39 to i40
  store i40 %41, ptr %11, align 4
  invoke void @_ZNSt6vectorISt4pairIicESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(5) %11)
          to label %42 unwind label %47

42:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %98

43:                                               ; preds = %102, %99, %80, %34, %32, %20, %18
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %9, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %10, align 4
  br label %107

47:                                               ; preds = %40, %38
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %9, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %107

51:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %52 = call ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %53 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %52, ptr %53, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %12, i64 8, i1 false), !tbaa.struct !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br label %54

54:                                               ; preds = %74, %51
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #8
  %55 = call ptr @_ZNSt6vectorISt4pairIicESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %56 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %55, ptr %56, align 8
  %57 = call noundef zeroext i1 @_ZN9__gnu_cxxltIPSt4pairIicESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %13) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  br i1 %57, label %58, label %77

58:                                               ; preds = %54
  %59 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #8
  %60 = getelementptr inbounds %"struct.std::pair", ptr %59, i32 0, i32 0
  %61 = load i32, ptr %60, align 4, !tbaa !16
  %62 = load i32, ptr %3, align 4, !tbaa !8
  %63 = icmp eq i32 %61, %62
  br i1 %63, label %64, label %73

64:                                               ; preds = %58
  %65 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #8
  %66 = getelementptr inbounds %"struct.std::pair", ptr %65, i32 0, i32 1
  %67 = load i8, ptr %66, align 4, !tbaa !18
  %68 = sext i8 %67 to i32
  %69 = load i8, ptr %5, align 1, !tbaa !19
  %70 = sext i8 %69 to i32
  %71 = icmp ne i32 %68, %70
  br i1 %71, label %72, label %73

72:                                               ; preds = %64
  store i8 1, ptr %8, align 1, !tbaa !11
  br label %77

73:                                               ; preds = %64, %58
  br label %74

74:                                               ; preds = %73
  %75 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %7, i32 noundef 0) #8
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %75, ptr %76, align 8
  br label %54, !llvm.loop !20

77:                                               ; preds = %72, %54
  %78 = load i8, ptr %8, align 1, !tbaa !11, !range !22, !noundef !23
  %79 = trunc i8 %78 to i1
  br i1 %79, label %80, label %88

80:                                               ; preds = %77
  %81 = load i32, ptr %4, align 4, !tbaa !8
  %82 = add nsw i32 %81, 1
  store i32 %82, ptr %4, align 4, !tbaa !8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIicESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %7) #8
  %83 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %15, i32 0, i32 0
  %84 = load ptr, ptr %83, align 8
  %85 = invoke ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr %84)
          to label %86 unwind label %43

86:                                               ; preds = %80
  %87 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %85, ptr %87, align 8
  store i8 0, ptr %8, align 1, !tbaa !11
  br label %97

88:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %89 = invoke i64 @_ZSt9make_pairIRiRcESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %90 unwind label %93

90:                                               ; preds = %88
  %91 = trunc i64 %89 to i40
  store i40 %91, ptr %17, align 4
  invoke void @_ZNSt6vectorISt4pairIicESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(5) %17)
          to label %92 unwind label %93

92:                                               ; preds = %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  br label %97

93:                                               ; preds = %90, %88
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %9, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  br label %107

97:                                               ; preds = %92, %86
  br label %98

98:                                               ; preds = %97, %42
  br label %28, !llvm.loop !24

99:                                               ; preds = %28
  %100 = load i32, ptr %4, align 4, !tbaa !8
  %101 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %100)
          to label %102 unwind label %43

102:                                              ; preds = %99
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %104 unwind label %43

104:                                              ; preds = %102
  br label %18, !llvm.loop !25

105:                                              ; preds = %26
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @_ZNSt6vectorISt4pairIicESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %106 = load i32, ptr %1, align 4
  ret i32 %106

107:                                              ; preds = %93, %47, %43
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @_ZNSt6vectorISt4pairIicESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %108

108:                                              ; preds = %107
  %109 = load ptr, ptr %9, align 8
  %110 = load i32, ptr %10, align 4
  %111 = insertvalue { ptr, i32 } poison, ptr %109, 0
  %112 = insertvalue { ptr, i32 } %111, i32 %110, 1
  resume { ptr, i32 } %112
}

; 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 @_ZNSt6vectorISt4pairIicESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) 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 @_ZNSt6vectorISt4pairIicESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorISt4pairIicESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIicESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(5)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiRcESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxltIPSt4pairIicESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIicESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIicESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #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)) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIicESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 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 #7 = { 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 #8 = { 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 = !{!12, !12, i64 0}
!12 = !{!"bool", !10, i64 0}
!13 = !{i64 0, i64 8, !14}
!14 = !{!15, !15, i64 0}
!15 = !{!"any pointer", !10, i64 0}
!16 = !{!17, !9, i64 0}
!17 = !{!"_ZTSSt4pairIicE", !9, i64 0, !10, i64 4}
!18 = !{!17, !10, i64 4}
!19 = !{!10, !10, i64 0}
!20 = distinct !{!20, !21}
!21 = !{!"llvm.loop.mustprogress"}
!22 = !{i8 0, i8 2}
!23 = !{}
!24 = distinct !{!24, !21}
!25 = distinct !{!25, !21}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, char>, std::allocator<std::pair<int, char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type <{ i32, i8, [3 x i8] }>
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@_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 i8, align 1
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %9 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorISt4pairIicESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  call void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  br label %10

10:                                               ; preds = %65, %0
  %11 = 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 %12 unwind label %.loopexit.split-lp

12:                                               ; preds = %10
  %13 = load ptr, ptr %11, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %11, i64 %15
  %17 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %16)
          to label %18 unwind label %.loopexit.split-lp

18:                                               ; preds = %12
  br i1 %17, label %19, label %67

19:                                               ; preds = %18
  call void @_ZNSt6vectorISt4pairIicESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %20 = load i32, ptr %1, align 4, !tbaa !8
  %21 = add nsw i32 %20, -1
  store i32 %21, ptr %1, align 4, !tbaa !8
  %.not17 = icmp eq i32 %20, 0
  br i1 %.not17, label %._crit_edge21, label %.lr.ph20

.lr.ph20:                                         ; preds = %19, %61
  %.018 = phi i32 [ %.1, %61 ], [ 0, %19 ]
  %22 = 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 %23 unwind label %.loopexit

23:                                               ; preds = %.lr.ph20
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %25 unwind label %.loopexit

25:                                               ; preds = %23
  %26 = call noundef zeroext i1 @_ZNKSt6vectorISt4pairIicESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br i1 %26, label %27, label %34

27:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %28 = invoke i64 @_ZSt9make_pairIRiRcESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %29 unwind label %32

29:                                               ; preds = %27
  %30 = trunc i64 %28 to i40
  store i40 %30, ptr %6, align 8
  invoke void @_ZNSt6vectorISt4pairIicESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(5) %6)
          to label %31 unwind label %32

31:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %61

.loopexit:                                        ; preds = %.lr.ph20, %23, %.thread
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %68

.loopexit.split-lp:                               ; preds = %10, %12, %._crit_edge21, %65
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %68

32:                                               ; preds = %29, %27
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %68

34:                                               ; preds = %25
  %35 = call ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %35, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %36 = call ptr @_ZNSt6vectorISt4pairIicESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %36, ptr %7, align 8
  %37 = call noundef zeroext i1 @_ZN9__gnu_cxxltIPSt4pairIicESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  br i1 %37, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %34, %47
  %38 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %39 = load i32, ptr %38, align 4, !tbaa !13
  %40 = load i32, ptr %2, align 4, !tbaa !8
  %41 = icmp eq i32 %39, %40
  br i1 %41, label %42, label %47

42:                                               ; preds = %.lr.ph
  %43 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %44 = getelementptr inbounds i8, ptr %43, i64 4
  %45 = load i8, ptr %44, align 4, !tbaa !15
  %46 = load i8, ptr %3, align 1, !tbaa !16
  %.not11 = icmp eq i8 %45, %46
  br i1 %.not11, label %47, label %.thread

47:                                               ; preds = %.lr.ph, %42
  %48 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %5, i32 noundef 0) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %49 = call ptr @_ZNSt6vectorISt4pairIicESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %49, ptr %7, align 8
  %50 = call noundef zeroext i1 @_ZN9__gnu_cxxltIPSt4pairIicESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  br i1 %50, label %.lr.ph, label %._crit_edge, !llvm.loop !17

.thread:                                          ; preds = %42
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIicESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  %51 = load ptr, ptr %8, align 8
  %52 = invoke ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr %51)
          to label %53 unwind label %.loopexit

53:                                               ; preds = %.thread
  %54 = add nsw i32 %.018, 1
  br label %61

._crit_edge:                                      ; preds = %47, %34
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  %55 = invoke i64 @_ZSt9make_pairIRiRcESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %56 unwind label %59

56:                                               ; preds = %._crit_edge
  %57 = trunc i64 %55 to i40
  store i40 %57, ptr %9, align 8
  invoke void @_ZNSt6vectorISt4pairIicESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(5) %9)
          to label %58 unwind label %59

58:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %61

59:                                               ; preds = %56, %._crit_edge
  %60 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %68

61:                                               ; preds = %53, %58, %31
  %.1 = phi i32 [ %.018, %31 ], [ %54, %53 ], [ %.018, %58 ]
  %62 = load i32, ptr %1, align 4, !tbaa !8
  %63 = add nsw i32 %62, -1
  store i32 %63, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %62, 0
  br i1 %.not, label %._crit_edge21, label %.lr.ph20, !llvm.loop !19

._crit_edge21:                                    ; preds = %61, %19
  %.0.lcssa = phi i32 [ 0, %19 ], [ %.1, %61 ]
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.0.lcssa)
          to label %65 unwind label %.loopexit.split-lp

65:                                               ; preds = %._crit_edge21
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %64, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %10 unwind label %.loopexit.split-lp, !llvm.loop !20

67:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @_ZNSt6vectorISt4pairIicESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 1, 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
  ret i32 0

68:                                               ; preds = %.loopexit, %.loopexit.split-lp, %59, %32
  %.pn = phi { ptr, i32 } [ %33, %32 ], [ %60, %59 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @_ZNSt6vectorISt4pairIicESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 1, 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
}

; 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 @_ZNSt6vectorISt4pairIicESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) 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 @_ZNSt6vectorISt4pairIicESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorISt4pairIicESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIicESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(5)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiRcESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxltIPSt4pairIicESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIicESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIicESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIicESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIicESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) 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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIicESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 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 #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 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !10, i64 0}
!13 = !{!14, !9, i64 0}
!14 = !{!"_ZTSSt4pairIicE", !9, i64 0, !10, i64 4}
!15 = !{!14, !10, i64 4}
!16 = !{!10, !10, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = distinct !{!19, !18}
!20 = distinct !{!20, !18}


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