; LLVM IR from kazunetakahashi/atcoder :: 201411_201509/0410 (ARC001_B)

; 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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZL2dx = external hidden constant [6 x i32], align 16

; 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 [50 x i32], align 16
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::queue", align 8
  %7 = alloca %"struct.std::pair", align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %"struct.std::pair", 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
  %18 = 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)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 200, ptr %4) #7
  %20 = getelementptr inbounds [50 x i32], ptr %4, i64 0, i64 0
  %21 = getelementptr inbounds [50 x i32], ptr %4, i64 0, i64 0
  %22 = getelementptr inbounds i32, ptr %21, i64 50
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 -1, ptr %5, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef %20, ptr noundef %22, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr %6) #7
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !5
  %23 = invoke i64 @_ZSt9make_pairIiRiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %24 unwind label %62

24:                                               ; preds = %0
  store i64 %23, ptr %7, align 4
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %25 unwind label %62

25:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %26

26:                                               ; preds = %119, %25
  %27 = invoke noundef zeroext i1 @_ZNKSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %28 unwind label %66

28:                                               ; preds = %26
  %29 = xor i1 %27, true
  br i1 %29, label %30, label %122

30:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %31 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %32 unwind label %70

32:                                               ; preds = %30
  %33 = getelementptr inbounds %"struct.std::pair", ptr %31, i32 0, i32 0
  %34 = load i32, ptr %33, align 4, !tbaa !9
  store i32 %34, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %35 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %36 unwind label %74

36:                                               ; preds = %32
  %37 = getelementptr inbounds %"struct.std::pair", ptr %35, i32 0, i32 1
  %38 = load i32, ptr %37, align 4, !tbaa !11
  store i32 %38, ptr %12, align 4, !tbaa !5
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %39 unwind label %74

39:                                               ; preds = %36
  %40 = load i32, ptr %12, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [50 x i32], ptr %4, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = icmp eq i32 %43, -1
  br i1 %44, label %45, label %116

45:                                               ; preds = %39
  %46 = load i32, ptr %11, align 4, !tbaa !5
  %47 = load i32, ptr %12, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [50 x i32], ptr %4, i64 0, i64 %48
  store i32 %46, ptr %49, align 4, !tbaa !5
  %50 = load i32, ptr %12, align 4, !tbaa !5
  %51 = load i32, ptr %3, align 4, !tbaa !5
  %52 = icmp eq i32 %50, %51
  br i1 %52, label %53, label %78

53:                                               ; preds = %45
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [50 x i32], ptr %4, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %57)
          to label %59 unwind label %74

59:                                               ; preds = %53
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %61 unwind label %74

61:                                               ; preds = %59
  store i32 0, ptr %1, align 4
  store i32 1, ptr %13, align 4
  br label %117

62:                                               ; preds = %24, %0
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %9, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %127

66:                                               ; preds = %26
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %9, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %10, align 4
  br label %127

70:                                               ; preds = %30
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %9, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %10, align 4
  br label %121

74:                                               ; preds = %59, %53, %36, %32
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %9, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %10, align 4
  br label %120

78:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  %79 = load i32, ptr %11, align 4, !tbaa !5
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %81

81:                                               ; preds = %112, %78
  %82 = load i32, ptr %15, align 4, !tbaa !5
  %83 = icmp slt i32 %82, 6
  br i1 %83, label %85, label %84

84:                                               ; preds = %81
  store i32 4, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %115

85:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %86 = load i32, ptr %15, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = getelementptr inbounds [6 x i32], ptr @_ZL2dx, i64 0, i64 %87
  %89 = load i32, ptr %88, align 4, !tbaa !5
  %90 = load i32, ptr %12, align 4, !tbaa !5
  %91 = add nsw i32 %89, %90
  store i32 %91, ptr %16, align 4, !tbaa !5
  %92 = load i32, ptr %16, align 4, !tbaa !5
  %93 = icmp sle i32 0, %92
  br i1 %93, label %94, label %111

94:                                               ; preds = %85
  %95 = load i32, ptr %16, align 4, !tbaa !5
  %96 = icmp sle i32 %95, 40
  br i1 %96, label %97, label %111

97:                                               ; preds = %94
  %98 = load i32, ptr %16, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [50 x i32], ptr %4, i64 0, i64 %99
  %101 = load i32, ptr %100, align 4, !tbaa !5
  %102 = icmp eq i32 %101, -1
  br i1 %102, label %103, label %111

103:                                              ; preds = %97
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %104 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %105 unwind label %107

105:                                              ; preds = %103
  store i64 %104, ptr %17, align 4
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 4 dereferenceable(8) %17)
          to label %106 unwind label %107

106:                                              ; preds = %105
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  br label %111

107:                                              ; preds = %105, %103
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %9, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %120

111:                                              ; preds = %106, %97, %94, %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %112

112:                                              ; preds = %111
  %113 = load i32, ptr %15, align 4, !tbaa !5
  %114 = add nsw i32 %113, 1
  store i32 %114, ptr %15, align 4, !tbaa !5
  br label %81, !llvm.loop !12

115:                                              ; preds = %84
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %116

116:                                              ; preds = %115, %39
  store i32 0, ptr %13, align 4
  br label %117

117:                                              ; preds = %116, %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  %118 = load i32, ptr %13, align 4
  switch i32 %118, label %123 [
    i32 0, label %119
  ]

119:                                              ; preds = %117
  br label %26, !llvm.loop !14

120:                                              ; preds = %107, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %121

121:                                              ; preds = %120, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %127

122:                                              ; preds = %28
  store i32 0, ptr %13, align 4
  br label %123

123:                                              ; preds = %122, %117
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 200, 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
  %124 = load i32, ptr %13, align 4
  switch i32 %124, label %133 [
    i32 0, label %125
    i32 1, label %125
  ]

125:                                              ; preds = %123, %123
  %126 = load i32, ptr %1, align 4
  ret i32 %126

127:                                              ; preds = %121, %66, %62
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 200, 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 %128

128:                                              ; preds = %127
  %129 = load ptr, ptr %9, align 8
  %130 = load i32, ptr %10, align 4
  %131 = insertvalue { ptr, i32 } poison, ptr %129, 0
  %132 = insertvalue { ptr, i32 } %131, i32 %130, 1
  resume { ptr, i32 } %132

133:                                              ; preds = %123
  unreachable
}

; 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #3

; 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 void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiRiESt4pairINSt25__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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

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) #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)) #3

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 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 = { "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 = { 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 #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 = { 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 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 = { 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, !6, i64 0}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZL2dx = external hidden local_unnamed_addr constant [6 x i32], align 16

; 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 [50 x i32], align 16
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::queue", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = 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
  %11 = 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)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 200, ptr nonnull %3) #7
  %13 = getelementptr inbounds i8, ptr %3, i64 200
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 -1, ptr %4, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull %3, ptr noundef nonnull %13, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %5) #7
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  %14 = invoke i64 @_ZSt9make_pairIiRiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %15 unwind label %40

15:                                               ; preds = %0
  store i64 %14, ptr %6, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %16 unwind label %40

16:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %17 = call noundef zeroext i1 @_ZNKSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %17, label %.critedge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %16
  %18 = load i32, ptr @_ZL2dx, align 16
  %19 = load i32, ptr getelementptr inbounds (i8, ptr @_ZL2dx, i64 4), align 4
  %20 = load i32, ptr getelementptr inbounds (i8, ptr @_ZL2dx, i64 8), align 8
  %21 = load i32, ptr getelementptr inbounds (i8, ptr @_ZL2dx, i64 12), align 4
  %22 = load i32, ptr getelementptr inbounds (i8, ptr @_ZL2dx, i64 16), align 16
  %23 = load i32, ptr getelementptr inbounds (i8, ptr @_ZL2dx, i64 20), align 4
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %114
  %24 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %27 = getelementptr inbounds i8, ptr %26, i64 4
  %28 = load i32, ptr %27, align 4, !tbaa !11
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %29
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = icmp eq i32 %31, -1
  br i1 %32, label %33, label %114

33:                                               ; preds = %.lr.ph
  store i32 %25, ptr %30, align 4, !tbaa !5
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = icmp eq i32 %28, %34
  br i1 %35, label %36, label %44

36:                                               ; preds = %33
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %25)
          to label %38 unwind label %42

38:                                               ; preds = %36
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.critedge unwind label %42

40:                                               ; preds = %15, %0
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %116

42:                                               ; preds = %38, %36
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %116

44:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %45 = add nsw i32 %25, 1
  store i32 %45, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %46 = add nsw i32 %18, %28
  store i32 %46, ptr %9, align 4, !tbaa !5
  %or.cond = icmp ult i32 %46, 41
  br i1 %or.cond, label %47, label %58

47:                                               ; preds = %44
  %48 = zext nneg i32 %46 to i64
  %49 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = icmp eq i32 %50, -1
  br i1 %51, label %52, label %58

52:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %53 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %54 unwind label %56

54:                                               ; preds = %52
  store i64 %53, ptr %10, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %55 unwind label %56

55:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %58

56:                                               ; preds = %111, %109, %100, %98, %89, %87, %78, %76, %67, %65, %54, %52
  %57 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %116

58:                                               ; preds = %55, %47, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %59 = add nsw i32 %19, %28
  store i32 %59, ptr %9, align 4, !tbaa !5
  %or.cond.1 = icmp ult i32 %59, 41
  br i1 %or.cond.1, label %60, label %69

60:                                               ; preds = %58
  %61 = zext nneg i32 %59 to i64
  %62 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = icmp eq i32 %63, -1
  br i1 %64, label %65, label %69

65:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %66 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %67 unwind label %56

67:                                               ; preds = %65
  store i64 %66, ptr %10, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %68 unwind label %56

68:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %69

69:                                               ; preds = %68, %60, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %70 = add nsw i32 %20, %28
  store i32 %70, ptr %9, align 4, !tbaa !5
  %or.cond.2 = icmp ult i32 %70, 41
  br i1 %or.cond.2, label %71, label %80

71:                                               ; preds = %69
  %72 = zext nneg i32 %70 to i64
  %73 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = icmp eq i32 %74, -1
  br i1 %75, label %76, label %80

76:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %77 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %78 unwind label %56

78:                                               ; preds = %76
  store i64 %77, ptr %10, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %79 unwind label %56

79:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %80

80:                                               ; preds = %79, %71, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %81 = add nsw i32 %21, %28
  store i32 %81, ptr %9, align 4, !tbaa !5
  %or.cond.3 = icmp ult i32 %81, 41
  br i1 %or.cond.3, label %82, label %91

82:                                               ; preds = %80
  %83 = zext nneg i32 %81 to i64
  %84 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = icmp eq i32 %85, -1
  br i1 %86, label %87, label %91

87:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %88 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %89 unwind label %56

89:                                               ; preds = %87
  store i64 %88, ptr %10, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %90 unwind label %56

90:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %91

91:                                               ; preds = %90, %82, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %92 = add nsw i32 %22, %28
  store i32 %92, ptr %9, align 4, !tbaa !5
  %or.cond.4 = icmp ult i32 %92, 41
  br i1 %or.cond.4, label %93, label %102

93:                                               ; preds = %91
  %94 = zext nneg i32 %92 to i64
  %95 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %94
  %96 = load i32, ptr %95, align 4, !tbaa !5
  %97 = icmp eq i32 %96, -1
  br i1 %97, label %98, label %102

98:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %99 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %100 unwind label %56

100:                                              ; preds = %98
  store i64 %99, ptr %10, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %101 unwind label %56

101:                                              ; preds = %100
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %102

102:                                              ; preds = %101, %93, %91
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %103 = add nsw i32 %23, %28
  store i32 %103, ptr %9, align 4, !tbaa !5
  %or.cond.5 = icmp ult i32 %103, 41
  br i1 %or.cond.5, label %104, label %113

104:                                              ; preds = %102
  %105 = zext nneg i32 %103 to i64
  %106 = getelementptr inbounds [50 x i32], ptr %3, i64 0, i64 %105
  %107 = load i32, ptr %106, align 4, !tbaa !5
  %108 = icmp eq i32 %107, -1
  br i1 %108, label %109, label %113

109:                                              ; preds = %104
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %110 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %111 unwind label %56

111:                                              ; preds = %109
  store i64 %110, ptr %10, align 8
  invoke void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %112 unwind label %56

112:                                              ; preds = %111
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %113

113:                                              ; preds = %112, %104, %102
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %114

114:                                              ; preds = %.lr.ph, %113
  %115 = call noundef zeroext i1 @_ZNKSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %115, label %.critedge, label %.lr.ph, !llvm.loop !12

.critedge:                                        ; preds = %114, %16, %38
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 200, 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

116:                                              ; preds = %42, %56, %40
  %.pn.pn = phi { ptr, i32 } [ %41, %40 ], [ %43, %42 ], [ %57, %56 ]
  call void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 200, 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.pn
}

; 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; 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 void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiRiESt4pairINSt25__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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

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 #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)) #3

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 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 = { "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 = { 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 #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 = { 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 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 = { 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, !6, i64 0}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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