; LLVM IR from AnneLivia/Competitive-Programming :: Data Structures/Graph/Bidirectional Dijkstra (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.Graph = type { %"class.std::vector", i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %class.Graph, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %class.Graph, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #6
  call void @_ZN5GraphC2Eii(ptr noundef nonnull align 8 dereferenceable(32) %2, i32 noundef 9, i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  br label %13

13:                                               ; preds = %122, %0
  %14 = 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 %15 unwind label %54

15:                                               ; preds = %13
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %17 unwind label %54

17:                                               ; preds = %15
  %18 = load ptr, ptr %16, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr %16, i64 %20
  %22 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %21)
          to label %23 unwind label %54

23:                                               ; preds = %17
  br i1 %22, label %24, label %30

24:                                               ; preds = %23
  %25 = load i32, ptr %3, align 4, !tbaa !8
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %30

27:                                               ; preds = %24
  %28 = load i32, ptr %4, align 4, !tbaa !8
  %29 = icmp ne i32 %28, 0
  br label %30

30:                                               ; preds = %27, %24, %23
  %31 = phi i1 [ false, %24 ], [ false, %23 ], [ %29, %27 ]
  br i1 %31, label %32, label %125

32:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #6
  %33 = load i32, ptr %3, align 4, !tbaa !8
  invoke void @_ZN5GraphC2Eii(ptr noundef nonnull align 8 dereferenceable(32) %10, i32 noundef %33, i32 noundef 0)
          to label %34 unwind label %58

34:                                               ; preds = %32
  br label %35

35:                                               ; preds = %53, %34
  %36 = load i32, ptr %4, align 4, !tbaa !8
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %4, align 4, !tbaa !8
  %38 = icmp ne i32 %36, 0
  br i1 %38, label %39, label %66

39:                                               ; preds = %35
  %40 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %41 unwind label %62

41:                                               ; preds = %39
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %43 unwind label %62

43:                                               ; preds = %41
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %45 unwind label %62

45:                                               ; preds = %43
  %46 = load i32, ptr %5, align 4, !tbaa !8
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr %5, align 4, !tbaa !8
  %48 = load i32, ptr %6, align 4, !tbaa !8
  %49 = add nsw i32 %48, -1
  store i32 %49, ptr %6, align 4, !tbaa !8
  %50 = load i32, ptr %5, align 4, !tbaa !8
  %51 = load i32, ptr %6, align 4, !tbaa !8
  %52 = load i32, ptr %7, align 4, !tbaa !8
  invoke void @_ZN5Graph7addEdgeEiii(ptr noundef nonnull align 8 dereferenceable(32) %10, i32 noundef %50, i32 noundef %51, i32 noundef %52)
          to label %53 unwind label %62

53:                                               ; preds = %45
  br label %35, !llvm.loop !11

54:                                               ; preds = %17, %15, %13
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %8, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %9, align 4
  br label %127

58:                                               ; preds = %32
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %8, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %9, align 4
  br label %124

62:                                               ; preds = %45, %43, %41, %39
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %8, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %9, align 4
  br label %123

66:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %67

67:                                               ; preds = %119, %66
  %68 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %69 unwind label %110

69:                                               ; preds = %67
  %70 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %68, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %71 unwind label %110

71:                                               ; preds = %69
  %72 = load ptr, ptr %70, align 8, !tbaa !5
  %73 = getelementptr i8, ptr %72, i64 -24
  %74 = load i64, ptr %73, align 8
  %75 = getelementptr inbounds i8, ptr %70, i64 %74
  %76 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %75)
          to label %77 unwind label %110

77:                                               ; preds = %71
  br i1 %76, label %78, label %84

78:                                               ; preds = %77
  %79 = load i32, ptr %11, align 4, !tbaa !8
  %80 = icmp ne i32 %79, -1
  br i1 %80, label %81, label %84

81:                                               ; preds = %78
  %82 = load i32, ptr %12, align 4, !tbaa !8
  %83 = icmp ne i32 %82, -1
  br label %84

84:                                               ; preds = %81, %78, %77
  %85 = phi i1 [ false, %78 ], [ false, %77 ], [ %83, %81 ]
  br i1 %85, label %86, label %120

86:                                               ; preds = %84
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %88 unwind label %110

88:                                               ; preds = %86
  %89 = load i32, ptr %11, align 4, !tbaa !8
  %90 = add nsw i32 %89, -1
  store i32 %90, ptr %11, align 4, !tbaa !8
  %91 = load i32, ptr %12, align 4, !tbaa !8
  %92 = add nsw i32 %91, -1
  store i32 %92, ptr %12, align 4, !tbaa !8
  %93 = load i32, ptr %11, align 4, !tbaa !8
  %94 = load i32, ptr %12, align 4, !tbaa !8
  %95 = invoke noundef zeroext i1 @_ZN5Graph22bidirectional_dijkstraEii(ptr noundef nonnull align 8 dereferenceable(32) %10, i32 noundef %93, i32 noundef %94)
          to label %96 unwind label %110

96:                                               ; preds = %88
  br i1 %95, label %114, label %97

97:                                               ; preds = %96
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %99 unwind label %110

99:                                               ; preds = %97
  %100 = load i32, ptr %11, align 4, !tbaa !8
  %101 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %98, i32 noundef %100)
          to label %102 unwind label %110

102:                                              ; preds = %99
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef @.str.2)
          to label %104 unwind label %110

104:                                              ; preds = %102
  %105 = load i32, ptr %12, align 4, !tbaa !8
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %103, i32 noundef %105)
          to label %107 unwind label %110

107:                                              ; preds = %104
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %110

109:                                              ; preds = %107
  br label %114

110:                                              ; preds = %120, %118, %116, %114, %107, %104, %102, %99, %97, %88, %86, %71, %69, %67
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %8, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %123

114:                                              ; preds = %109, %96
  %115 = invoke i32 @system(ptr noundef @.str.3)
          to label %116 unwind label %110

116:                                              ; preds = %114
  %117 = invoke i32 @system(ptr noundef @.str.4)
          to label %118 unwind label %110

118:                                              ; preds = %116
  invoke void @_ZN5Graph9showGraphEv(ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %119 unwind label %110

119:                                              ; preds = %118
  br label %67, !llvm.loop !13

120:                                              ; preds = %84
  %121 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %122 unwind label %110

122:                                              ; preds = %120
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #6
  br label %13, !llvm.loop !14

123:                                              ; preds = %110, %62
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  br label %124

124:                                              ; preds = %123, %58
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #6
  br label %127

125:                                              ; preds = %30
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  %126 = load i32, ptr %1, align 4
  ret i32 %126

127:                                              ; preds = %124, %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  br label %128

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5GraphC2Eii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) 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)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph7addEdgeEiii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef, i32 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5Graph22bidirectional_dijkstraEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #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) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

declare i32 @system(ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph9showGraphEv(ptr noundef nonnull align 8 dereferenceable(32)) #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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 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 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = { 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}
!14 = distinct !{!14, !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.Graph = type { %"class.std::vector", i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.Graph, align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %class.Graph, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #7
  call void @_ZN5GraphC2Eii(ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 9, i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  br label %10

10:                                               ; preds = %90, %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) %2)
          to label %12 unwind label %40

12:                                               ; preds = %10
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %14 unwind label %40

14:                                               ; preds = %12
  %15 = load ptr, ptr %13, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr %13, i64 %17
  %19 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %18)
          to label %20 unwind label %40

20:                                               ; preds = %14
  %21 = load i32, ptr %2, align 4
  %22 = icmp ne i32 %21, 0
  %or.cond = select i1 %19, i1 %22, i1 false
  %23 = load i32, ptr %3, align 4
  %24 = icmp ne i32 %23, 0
  %or.cond7 = select i1 %or.cond, i1 %24, i1 false
  br i1 %or.cond7, label %25, label %.critedge

25:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #7
  invoke void @_ZN5GraphC2Eii(ptr noundef nonnull align 8 dereferenceable(32) %7, i32 noundef %21, i32 noundef 0)
          to label %.preheader unwind label %42

.preheader:                                       ; preds = %25, %34
  %26 = load i32, ptr %3, align 4, !tbaa !8
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %3, align 4, !tbaa !8
  %.not = icmp eq i32 %26, 0
  br i1 %.not, label %46, label %28

28:                                               ; preds = %.preheader
  %29 = 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 %30 unwind label %44

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %32 unwind label %44

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %34 unwind label %44

34:                                               ; preds = %32
  %35 = load i32, ptr %4, align 4, !tbaa !8
  %36 = add nsw i32 %35, -1
  store i32 %36, ptr %4, align 4, !tbaa !8
  %37 = load i32, ptr %5, align 4, !tbaa !8
  %38 = add nsw i32 %37, -1
  store i32 %38, ptr %5, align 4, !tbaa !8
  %39 = load i32, ptr %6, align 4, !tbaa !8
  invoke void @_ZN5Graph7addEdgeEiii(ptr noundef nonnull align 8 dereferenceable(32) %7, i32 noundef %36, i32 noundef %38, i32 noundef %39)
          to label %.preheader unwind label %44, !llvm.loop !11

40:                                               ; preds = %14, %12, %10
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %93

42:                                               ; preds = %25
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %92

44:                                               ; preds = %34, %32, %30, %28
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %91

46:                                               ; preds = %.preheader
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  store i32 0, ptr %8, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  store i32 0, ptr %9, align 4, !tbaa !8
  br label %47

47:                                               ; preds = %88, %46
  %48 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %49 unwind label %.loopexit

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %51 unwind label %.loopexit

51:                                               ; preds = %49
  %52 = load ptr, ptr %50, align 8, !tbaa !5
  %53 = getelementptr i8, ptr %52, i64 -24
  %54 = load i64, ptr %53, align 8
  %55 = getelementptr inbounds i8, ptr %50, i64 %54
  %56 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %55)
          to label %57 unwind label %.loopexit

57:                                               ; preds = %51
  %58 = load i32, ptr %8, align 4
  %59 = icmp ne i32 %58, -1
  %or.cond3 = select i1 %56, i1 %59, i1 false
  %60 = load i32, ptr %9, align 4
  %61 = icmp ne i32 %60, -1
  %or.cond9 = select i1 %or.cond3, i1 %61, i1 false
  br i1 %or.cond9, label %62, label %.critedge5

62:                                               ; preds = %57
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %64 unwind label %.loopexit

64:                                               ; preds = %62
  %65 = load i32, ptr %8, align 4, !tbaa !8
  %66 = add nsw i32 %65, -1
  store i32 %66, ptr %8, align 4, !tbaa !8
  %67 = load i32, ptr %9, align 4, !tbaa !8
  %68 = add nsw i32 %67, -1
  store i32 %68, ptr %9, align 4, !tbaa !8
  %69 = invoke noundef zeroext i1 @_ZN5Graph22bidirectional_dijkstraEii(ptr noundef nonnull align 8 dereferenceable(32) %7, i32 noundef %66, i32 noundef %68)
          to label %70 unwind label %.loopexit

70:                                               ; preds = %64
  br i1 %69, label %84, label %71

71:                                               ; preds = %70
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %73 unwind label %.loopexit

73:                                               ; preds = %71
  %74 = load i32, ptr %8, align 4, !tbaa !8
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %72, i32 noundef %74)
          to label %76 unwind label %.loopexit

76:                                               ; preds = %73
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef nonnull @.str.2)
          to label %78 unwind label %.loopexit

78:                                               ; preds = %76
  %79 = load i32, ptr %9, align 4, !tbaa !8
  %80 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %77, i32 noundef %79)
          to label %81 unwind label %.loopexit

81:                                               ; preds = %78
  %82 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %80, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %84 unwind label %.loopexit

.loopexit:                                        ; preds = %47, %49, %51, %62, %64, %71, %73, %76, %78, %81, %84, %86, %88
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %83

.loopexit.split-lp:                               ; preds = %.critedge5
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %83

83:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  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 %91

84:                                               ; preds = %81, %70
  %85 = invoke i32 @system(ptr noundef nonnull @.str.3)
          to label %86 unwind label %.loopexit

86:                                               ; preds = %84
  %87 = invoke i32 @system(ptr noundef nonnull @.str.4)
          to label %88 unwind label %.loopexit

88:                                               ; preds = %86
  invoke void @_ZN5Graph9showGraphEv(ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %47 unwind label %.loopexit, !llvm.loop !13

.critedge5:                                       ; preds = %57
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %90 unwind label %.loopexit.split-lp

90:                                               ; preds = %.critedge5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  br label %10, !llvm.loop !14

91:                                               ; preds = %83, %44
  %.pn = phi { ptr, i32 } [ %45, %44 ], [ %lpad.phi, %83 ]
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  br label %92

92:                                               ; preds = %91, %42
  %.pn.pn = phi { ptr, i32 } [ %.pn, %91 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  br label %93

.critedge:                                        ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  ret i32 0

93:                                               ; preds = %92, %40
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %92 ], [ %41, %40 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.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 uwtable
declare dso_local void @_ZN5GraphC2Eii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) 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 #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph7addEdgeEiii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5Graph22bidirectional_dijkstraEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) 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 #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: nofree
declare noundef i32 @system(ptr nocapture noundef readonly) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph9showGraphEv(ptr noundef nonnull align 8 dereferenceable(32)) 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5GraphD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { 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 #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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nofree "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 = !{!"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}
!14 = distinct !{!14, !12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass