; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/Neps Academy/Aeroporto/main.ll (Z7bfs_auxi)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl" }
%"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl" = type { %"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<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::_Bit_reference" = type { ptr, i64 }
%struct.Airport = type { i32, i32 }

@flights = external dso_local global %"class.std::vector", align 8
@cont = external dso_local global %"class.std::vector.0", align 8
@vi = external dso_local global %"class.std::vector.5", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7bfs_auxi(i32 noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::_Bit_reference", align 8
  %8 = alloca %"struct.std::_Bit_reference", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Bit_reference", align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #4
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %11 unwind label %61

11:                                               ; preds = %1
  br label %12

12:                                               ; preds = %128, %11
  %13 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %14 unwind label %61

14:                                               ; preds = %12
  %15 = xor i1 %13, true
  br i1 %15, label %16, label %130

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %17 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %18 unwind label %65

18:                                               ; preds = %16
  %19 = load i32, ptr %17, align 4, !tbaa !5
  store i32 %19, ptr %6, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %20 unwind label %65

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #4
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @vi, i64 noundef %22)
          to label %24 unwind label %69

24:                                               ; preds = %20
  %25 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 0
  %26 = extractvalue { ptr, i64 } %23, 0
  store ptr %26, ptr %25, align 8
  %27 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 1
  %28 = extractvalue { ptr, i64 } %23, 1
  store i64 %28, ptr %27, align 8
  %29 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %7) #4
  %30 = xor i1 %29, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #4
  br i1 %30, label %31, label %128

31:                                               ; preds = %24
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %33) #4
  %35 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #4
  %36 = trunc i64 %35 to i32
  %37 = load i32, ptr %6, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI7AirportSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cont, i64 noundef %38) #4
  %40 = getelementptr inbounds %struct.Airport, ptr %39, i32 0, i32 1
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = add nsw i32 %41, %36
  store i32 %42, ptr %40, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #4
  %43 = load i32, ptr %6, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @vi, i64 noundef %44)
          to label %46 unwind label %73

46:                                               ; preds = %31
  %47 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 0
  %48 = extractvalue { ptr, i64 } %45, 0
  store ptr %48, ptr %47, align 8
  %49 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 1
  %50 = extractvalue { ptr, i64 } %45, 1
  store i64 %50, ptr %49, align 8
  %51 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %8, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %123, %46
  %53 = load i32, ptr %9, align 4, !tbaa !5
  %54 = load i32, ptr %6, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %55) #4
  %57 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %56) #4
  %58 = trunc i64 %57 to i32
  %59 = icmp slt i32 %53, %58
  br i1 %59, label %77, label %60

60:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %127

61:                                               ; preds = %12, %1
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %4, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %5, align 4
  br label %131

65:                                               ; preds = %18, %16
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %4, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %5, align 4
  br label %129

69:                                               ; preds = %20
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %4, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #4
  br label %129

73:                                               ; preds = %31
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %4, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #4
  br label %129

77:                                               ; preds = %52
  %78 = load i32, ptr %6, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %79) #4
  %81 = load i32, ptr %9, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %80, i64 noundef %82) #4
  %84 = load i32, ptr %83, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI7AirportSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cont, i64 noundef %85) #4
  %87 = getelementptr inbounds %struct.Airport, ptr %86, i32 0, i32 1
  %88 = load i32, ptr %87, align 4, !tbaa !9
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %87, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #4
  %90 = load i32, ptr %6, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %91) #4
  %93 = load i32, ptr %9, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %92, i64 noundef %94) #4
  %96 = load i32, ptr %95, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @vi, i64 noundef %97)
          to label %99 unwind label %114

99:                                               ; preds = %77
  %100 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %101 = extractvalue { ptr, i64 } %98, 0
  store ptr %101, ptr %100, align 8
  %102 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %103 = extractvalue { ptr, i64 } %98, 1
  store i64 %103, ptr %102, align 8
  %104 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %10) #4
  %105 = xor i1 %104, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #4
  br i1 %105, label %106, label %122

106:                                              ; preds = %99
  %107 = load i32, ptr %6, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %108) #4
  %110 = load i32, ptr %9, align 4, !tbaa !5
  %111 = sext i32 %110 to i64
  %112 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %109, i64 noundef %111) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %112)
          to label %113 unwind label %118

113:                                              ; preds = %106
  br label %122

114:                                              ; preds = %77
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %4, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #4
  br label %126

118:                                              ; preds = %106
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %4, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %5, align 4
  br label %126

122:                                              ; preds = %113, %99
  br label %123

123:                                              ; preds = %122
  %124 = load i32, ptr %9, align 4, !tbaa !5
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %9, align 4, !tbaa !5
  br label %52, !llvm.loop !11

126:                                              ; preds = %118, %114
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %129

127:                                              ; preds = %60
  br label %128

128:                                              ; preds = %127, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %12, !llvm.loop !13

129:                                              ; preds = %126, %73, %69, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %131

130:                                              ; preds = %14
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #4
  ret void

131:                                              ; preds = %129, %61
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #4
  br label %132

132:                                              ; preds = %131
  %133 = load ptr, ptr %4, align 8
  %134 = load i32, ptr %5, align 4
  %135 = insertvalue { ptr, i32 } poison, ptr %133, 0
  %136 = insertvalue { ptr, i32 } %135, i32 %134, 1
  resume { ptr, i32 } %136
}

; 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 @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI7AirportSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 #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 = { 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 #4 = { 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 4}
!10 = !{!"_ZTS7Airport", !6, i64 0, !6, i64 4}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl" }
%"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl" = type { %"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Airport, std::allocator<Airport>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<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::_Bit_reference" = type { ptr, i64 }

@flights = external dso_local global %"class.std::vector", align 8
@cont = external dso_local global %"class.std::vector.0", align 8
@vi = external dso_local global %"class.std::vector.5", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7bfs_auxi(i32 noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca %"struct.std::_Bit_reference", align 8
  %5 = alloca %"struct.std::_Bit_reference", align 8
  %6 = alloca %"struct.std::_Bit_reference", align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #4
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %.preheader unwind label %37

.preheader:                                       ; preds = %1
  %7 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %7, label %._crit_edge, label %.lr.ph22

.lr.ph22:                                         ; preds = %.preheader
  %8 = getelementptr inbounds i8, ptr %4, i64 8
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  %10 = getelementptr inbounds i8, ptr %6, i64 8
  br label %11

11:                                               ; preds = %.lr.ph22, %.loopexit
  %12 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %13 = load i32, ptr %12, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #4
  %14 = sext i32 %13 to i64
  %15 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @vi, i64 noundef %14)
          to label %16 unwind label %39

16:                                               ; preds = %11
  %17 = extractvalue { ptr, i64 } %15, 0
  store ptr %17, ptr %4, align 8
  %18 = extractvalue { ptr, i64 } %15, 1
  store i64 %18, ptr %8, align 8
  %19 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #4
  br i1 %19, label %.loopexit, label %20

20:                                               ; preds = %16
  %21 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %14) #4
  %22 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #4
  %23 = trunc i64 %22 to i32
  %24 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI7AirportSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cont, i64 noundef %14) #4
  %25 = getelementptr inbounds i8, ptr %24, i64 4
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = add nsw i32 %26, %23
  store i32 %27, ptr %25, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #4
  %28 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @vi, i64 noundef %14)
          to label %29 unwind label %41

29:                                               ; preds = %20
  %30 = extractvalue { ptr, i64 } %28, 0
  store ptr %30, ptr %5, align 8
  %31 = extractvalue { ptr, i64 } %28, 1
  store i64 %31, ptr %9, align 8
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %5, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #4
  %33 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %14) #4
  %34 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %33) #4
  %35 = trunc i64 %34 to i32
  %36 = icmp sgt i32 %35, 0
  br i1 %36, label %.lr.ph, label %.loopexit

37:                                               ; preds = %1
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %73

39:                                               ; preds = %11
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #4
  br label %73

41:                                               ; preds = %20
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #4
  br label %73

.lr.ph:                                           ; preds = %29, %67
  %indvars.iv = phi i64 [ %indvars.iv.next, %67 ], [ 0, %29 ]
  %43 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %14) #4
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %43, i64 noundef %indvars.iv) #4
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI7AirportSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @cont, i64 noundef %46) #4
  %48 = getelementptr inbounds i8, ptr %47, i64 4
  %49 = load i32, ptr %48, align 4, !tbaa !9
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %48, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #4
  %51 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %14) #4
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %51, i64 noundef %indvars.iv) #4
  %53 = load i32, ptr %52, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) @vi, i64 noundef %54)
          to label %56 unwind label %63

56:                                               ; preds = %.lr.ph
  %57 = extractvalue { ptr, i64 } %55, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i64 } %55, 1
  store i64 %58, ptr %10, align 8
  %59 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %6) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #4
  br i1 %59, label %67, label %60

60:                                               ; preds = %56
  %61 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %14) #4
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %61, i64 noundef %indvars.iv) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %62)
          to label %67 unwind label %65

63:                                               ; preds = %.lr.ph
  %64 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #4
  br label %73

65:                                               ; preds = %60
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %73

67:                                               ; preds = %56, %60
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %68 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flights, i64 noundef %14) #4
  %69 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %68) #4
  %sext = shl i64 %69, 32
  %70 = ashr exact i64 %sext, 32
  %71 = icmp slt i64 %indvars.iv.next, %70
  br i1 %71, label %.lr.ph, label %.loopexit, !llvm.loop !11

.loopexit:                                        ; preds = %67, %29, %16
  %72 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %72, label %._crit_edge, label %11, !llvm.loop !13

._crit_edge:                                      ; preds = %.loopexit, %.preheader
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #4
  ret void

73:                                               ; preds = %39, %41, %65, %63, %37
  %.pn.pn.pn = phi { ptr, i32 } [ %38, %37 ], [ %42, %41 ], [ %40, %39 ], [ %66, %65 ], [ %64, %63 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #4
  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 @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI7AirportSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 #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 = { 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 #4 = { 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 4}
!10 = !{!"_ZTS7Airport", !6, i64 0, !6, i64 4}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass