; LLVM IR from schostac/Algorithms-on-Graphs :: week3/bipartite.ll (Z9bipartiteRSt6vectorI6VertixSaIS0_EE)

; 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::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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%struct.Vertix = type <{ %"class.std::vector.3", i32, [4 x i8] }>
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9bipartiteRSt6vectorI6VertixSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::queue", align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr %4) #4
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %14 unwind label %41

14:                                               ; preds = %1
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef 0) #4
  %17 = getelementptr inbounds %struct.Vertix, ptr %16, i32 0, i32 1
  store i32 1, ptr %17, align 8, !tbaa !11
  br label %18

18:                                               ; preds = %112, %14
  %19 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %20 unwind label %45

20:                                               ; preds = %18
  %21 = xor i1 %19, true
  br i1 %21, label %22, label %114

22:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %23 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %24 unwind label %49

24:                                               ; preds = %22
  %25 = load i32, ptr %23, align 4, !tbaa !9
  store i32 %25, ptr %8, align 4, !tbaa !9
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %26 unwind label %49

26:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %29) #4
  %31 = getelementptr inbounds %struct.Vertix, ptr %30, i32 0, i32 0
  store ptr %31, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %32 = load ptr, ptr %9, align 8, !tbaa !5
  %33 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %32) #4
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %33, ptr %34, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %35 = load ptr, ptr %9, align 8, !tbaa !5
  %36 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #4
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  br label %38

38:                                               ; preds = %101, %26
  %39 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br i1 %39, label %53, label %40

40:                                               ; preds = %38
  store i32 4, ptr %12, align 4
  br label %107

41:                                               ; preds = %1
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %6, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %117

45:                                               ; preds = %18
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %6, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %7, align 4
  br label %117

49:                                               ; preds = %24, %22
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %6, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %7, align 4
  br label %113

53:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  store ptr %54, ptr %13, align 8, !tbaa !5
  %55 = load ptr, ptr %3, align 8, !tbaa !5
  %56 = load ptr, ptr %13, align 8, !tbaa !5
  %57 = load i32, ptr %56, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %55, i64 noundef %58) #4
  %60 = getelementptr inbounds %struct.Vertix, ptr %59, i32 0, i32 1
  %61 = load i32, ptr %60, align 8, !tbaa !11
  %62 = load ptr, ptr %3, align 8, !tbaa !5
  %63 = load i32, ptr %8, align 4, !tbaa !9
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %62, i64 noundef %64) #4
  %66 = getelementptr inbounds %struct.Vertix, ptr %65, i32 0, i32 1
  %67 = load i32, ptr %66, align 8, !tbaa !11
  %68 = icmp eq i32 %61, %67
  br i1 %68, label %69, label %70

69:                                               ; preds = %53
  store i1 false, ptr %2, align 1
  store i32 1, ptr %12, align 4
  br label %98

70:                                               ; preds = %53
  %71 = load ptr, ptr %3, align 8, !tbaa !5
  %72 = load ptr, ptr %13, align 8, !tbaa !5
  %73 = load i32, ptr %72, align 4, !tbaa !9
  %74 = sext i32 %73 to i64
  %75 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %71, i64 noundef %74) #4
  %76 = getelementptr inbounds %struct.Vertix, ptr %75, i32 0, i32 1
  %77 = load i32, ptr %76, align 8, !tbaa !11
  %78 = icmp ne i32 %77, 0
  br i1 %78, label %79, label %80

79:                                               ; preds = %70
  store i32 5, ptr %12, align 4
  br label %98

80:                                               ; preds = %70
  %81 = load ptr, ptr %13, align 8, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 4 dereferenceable(4) %81)
          to label %82 unwind label %103

82:                                               ; preds = %80
  %83 = load ptr, ptr %3, align 8, !tbaa !5
  %84 = load i32, ptr %8, align 4, !tbaa !9
  %85 = sext i32 %84 to i64
  %86 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %83, i64 noundef %85) #4
  %87 = getelementptr inbounds %struct.Vertix, ptr %86, i32 0, i32 1
  %88 = load i32, ptr %87, align 8, !tbaa !11
  %89 = icmp eq i32 %88, 1
  %90 = zext i1 %89 to i64
  %91 = select i1 %89, i32 2, i32 1
  %92 = load ptr, ptr %3, align 8, !tbaa !5
  %93 = load ptr, ptr %13, align 8, !tbaa !5
  %94 = load i32, ptr %93, align 4, !tbaa !9
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %92, i64 noundef %95) #4
  %97 = getelementptr inbounds %struct.Vertix, ptr %96, i32 0, i32 1
  store i32 %91, ptr %97, align 8, !tbaa !11
  store i32 0, ptr %12, align 4
  br label %98

98:                                               ; preds = %82, %79, %69
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  %99 = load i32, ptr %12, align 4
  switch i32 %99, label %107 [
    i32 0, label %100
    i32 5, label %101
  ]

100:                                              ; preds = %98
  br label %101

101:                                              ; preds = %100, %98
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br label %38

103:                                              ; preds = %80
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %6, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %113

107:                                              ; preds = %98, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  %108 = load i32, ptr %12, align 4
  switch i32 %108, label %110 [
    i32 4, label %109
  ]

109:                                              ; preds = %107
  store i32 0, ptr %12, align 4
  br label %110

110:                                              ; preds = %109, %107
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %111 = load i32, ptr %12, align 4
  switch i32 %111, label %115 [
    i32 0, label %112
  ]

112:                                              ; preds = %110
  br label %18, !llvm.loop !18

113:                                              ; preds = %103, %49
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %117

114:                                              ; preds = %20
  store i1 true, ptr %2, align 1
  store i32 1, ptr %12, align 4
  br label %115

115:                                              ; preds = %114, %110
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #4
  %116 = load i1, ptr %2, align 1
  ret i1 %116

117:                                              ; preds = %113, %45, %41
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #4
  br label %118

118:                                              ; preds = %117
  %119 = load ptr, ptr %6, align 8
  %120 = load i32, ptr %7, align 4
  %121 = insertvalue { ptr, i32 } poison, ptr %119, 0
  %122 = insertvalue { ptr, i32 } %121, i32 %120, 1
  resume { ptr, i32 } %122
}

; 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 @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !17, i64 24}
!12 = !{!"_ZTS6Vertix", !13, i64 0, !17, i64 24}
!13 = !{!"_ZTSSt6vectorIiSaIiEE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"_ZTS5Color", !7, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


; 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::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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9bipartiteRSt6vectorI6VertixSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::queue", align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %2) #4
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 0, ptr %3, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %6 unwind label %17

6:                                                ; preds = %1
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  %7 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #4
  %8 = getelementptr inbounds i8, ptr %7, i64 24
  store i32 1, ptr %8, align 8, !tbaa !9
  %9 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  br i1 %9, label %.loopexit, label %.lr.ph35

.lr.ph35:                                         ; preds = %6, %._crit_edge
  %10 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  %11 = load i32, ptr %10, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  %12 = sext i32 %11 to i64
  %13 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %12) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %14 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  store ptr %14, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %15 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  store ptr %15, ptr %5, align 8
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %16, label %.lr.ph, label %._crit_edge

17:                                               ; preds = %1
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %53

.lr.ph:                                           ; preds = %.lr.ph35, %46
  %19 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %21) #4
  %23 = getelementptr inbounds i8, ptr %22, i64 24
  %24 = load i32, ptr %23, align 8, !tbaa !9
  %25 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %12) #4
  %26 = getelementptr inbounds i8, ptr %25, i64 24
  %27 = load i32, ptr %26, align 8, !tbaa !9
  %28 = icmp eq i32 %24, %27
  br i1 %28, label %.thread29, label %29

.thread29:                                        ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %.loopexit

29:                                               ; preds = %.lr.ph
  %30 = load i32, ptr %19, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %31) #4
  %33 = getelementptr inbounds i8, ptr %32, i64 24
  %34 = load i32, ptr %33, align 8, !tbaa !9
  %.not = icmp eq i32 %34, 0
  br i1 %.not, label %35, label %46

35:                                               ; preds = %29
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %36 unwind label %49

36:                                               ; preds = %35
  %37 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %12) #4
  %38 = getelementptr inbounds i8, ptr %37, i64 24
  %39 = load i32, ptr %38, align 8, !tbaa !9
  %40 = icmp eq i32 %39, 1
  %41 = select i1 %40, i32 2, i32 1
  %42 = load i32, ptr %19, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 8 dereferenceable(28) ptr @_ZNSt6vectorI6VertixSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %43) #4
  %45 = getelementptr inbounds i8, ptr %44, i64 24
  store i32 %41, ptr %45, align 8, !tbaa !9
  br label %46

46:                                               ; preds = %36, %29
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %48 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %48, label %.lr.ph, label %._crit_edge

49:                                               ; preds = %35
  %50 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %53

._crit_edge:                                      ; preds = %46, %.lr.ph35
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %51 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  br i1 %51, label %.loopexit, label %.lr.ph35

.loopexit:                                        ; preds = %._crit_edge, %6, %.thread29
  %52 = phi i1 [ false, %.thread29 ], [ true, %6 ], [ true, %._crit_edge ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #4
  ret i1 %52

53:                                               ; preds = %49, %17
  %.pn = phi { ptr, i32 } [ %50, %49 ], [ %18, %17 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn
}

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

; Function Attrs: mustprogress 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 @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(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 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(28) ptr @_ZNSt6vectorI6VertixSaIS0_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 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) 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, !16, i64 24}
!10 = !{!"_ZTS6Vertix", !11, i64 0, !16, i64 24}
!11 = !{!"_ZTSSt6vectorIiSaIiEE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"_ZTS5Color", !7, i64 0}


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