; LLVM IR from Algo-Phantoms/Algo-Tree :: Code/C++/check_if_bipartite_graph.ll (Z14checkBipartitePSt6vectorIiSaIiEEi)

; 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<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 }
%"class.std::allocator" = type { i8 }
%"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 }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z14checkBipartitePSt6vectorIiSaIiEEi(ptr noundef %0, i32 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::queue", align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %17, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %18 unwind label %25

18:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr %11) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %19 unwind label %29

19:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %144, %19
  %21 = load i32, ptr %12, align 4, !tbaa !9
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %33, label %24

24:                                               ; preds = %20
  store i32 2, ptr %13, align 4
  br label %147

25:                                               ; preds = %2
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %9, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %154

29:                                               ; preds = %18
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %9, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %10, align 4
  br label %153

33:                                               ; preds = %20
  %34 = load i32, ptr %12, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %35) #4
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = icmp ne i32 %37, 0
  br i1 %38, label %39, label %40

39:                                               ; preds = %33
  br label %144

40:                                               ; preds = %33
  %41 = load i32, ptr %12, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %42) #4
  store i32 1, ptr %43, align 4, !tbaa !9
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %44 unwind label %63

44:                                               ; preds = %40
  br label %45

45:                                               ; preds = %141, %44
  %46 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %47 unwind label %63

47:                                               ; preds = %45
  %48 = xor i1 %46, true
  br i1 %48, label %49, label %143

49:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %50 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %51 unwind label %67

51:                                               ; preds = %49
  %52 = load i32, ptr %50, align 4, !tbaa !9
  store i32 %52, ptr %14, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %53

53:                                               ; preds = %132, %51
  %54 = load i32, ptr %15, align 4, !tbaa !9
  %55 = sext i32 %54 to i64
  %56 = load ptr, ptr %4, align 8, !tbaa !5
  %57 = load i32, ptr %14, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds %"class.std::vector", ptr %56, i64 %58
  %60 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #4
  %61 = icmp ult i64 %55, %60
  br i1 %61, label %71, label %62

62:                                               ; preds = %53
  store i32 7, ptr %13, align 4
  br label %135

63:                                               ; preds = %45, %40
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %9, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %10, align 4
  br label %149

67:                                               ; preds = %137, %49
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %9, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %10, align 4
  br label %142

71:                                               ; preds = %53
  %72 = load ptr, ptr %4, align 8, !tbaa !5
  %73 = load i32, ptr %14, align 4, !tbaa !9
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds %"class.std::vector", ptr %72, i64 %74
  %76 = load i32, ptr %15, align 4, !tbaa !9
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %75, i64 noundef %77) #4
  %79 = load i32, ptr %78, align 4, !tbaa !9
  %80 = sext i32 %79 to i64
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %80) #4
  %82 = load i32, ptr %81, align 4, !tbaa !9
  %83 = icmp eq i32 %82, 0
  br i1 %83, label %84, label %112

84:                                               ; preds = %71
  %85 = load i32, ptr %14, align 4, !tbaa !9
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %86) #4
  %88 = load i32, ptr %87, align 4, !tbaa !9
  %89 = sub nsw i32 0, %88
  %90 = load ptr, ptr %4, align 8, !tbaa !5
  %91 = load i32, ptr %14, align 4, !tbaa !9
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds %"class.std::vector", ptr %90, i64 %92
  %94 = load i32, ptr %15, align 4, !tbaa !9
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %93, i64 noundef %95) #4
  %97 = load i32, ptr %96, align 4, !tbaa !9
  %98 = sext i32 %97 to i64
  %99 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %98) #4
  store i32 %89, ptr %99, align 4, !tbaa !9
  %100 = load ptr, ptr %4, align 8, !tbaa !5
  %101 = load i32, ptr %14, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  %103 = getelementptr inbounds %"class.std::vector", ptr %100, i64 %102
  %104 = load i32, ptr %15, align 4, !tbaa !9
  %105 = sext i32 %104 to i64
  %106 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %103, i64 noundef %105) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 4 dereferenceable(4) %106)
          to label %107 unwind label %108

107:                                              ; preds = %84
  br label %131

108:                                              ; preds = %84
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %9, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %142

112:                                              ; preds = %71
  %113 = load ptr, ptr %4, align 8, !tbaa !5
  %114 = load i32, ptr %14, align 4, !tbaa !9
  %115 = sext i32 %114 to i64
  %116 = getelementptr inbounds %"class.std::vector", ptr %113, i64 %115
  %117 = load i32, ptr %15, align 4, !tbaa !9
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %116, i64 noundef %118) #4
  %120 = load i32, ptr %119, align 4, !tbaa !9
  %121 = sext i32 %120 to i64
  %122 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %121) #4
  %123 = load i32, ptr %122, align 4, !tbaa !9
  %124 = load i32, ptr %14, align 4, !tbaa !9
  %125 = sext i32 %124 to i64
  %126 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %125) #4
  %127 = load i32, ptr %126, align 4, !tbaa !9
  %128 = icmp eq i32 %123, %127
  br i1 %128, label %129, label %130

129:                                              ; preds = %112
  store i1 false, ptr %3, align 1
  store i32 1, ptr %13, align 4
  br label %135

130:                                              ; preds = %112
  br label %131

131:                                              ; preds = %130, %107
  br label %132

132:                                              ; preds = %131
  %133 = load i32, ptr %15, align 4, !tbaa !9
  %134 = add nsw i32 %133, 1
  store i32 %134, ptr %15, align 4, !tbaa !9
  br label %53, !llvm.loop !11

135:                                              ; preds = %129, %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  %136 = load i32, ptr %13, align 4
  switch i32 %136, label %139 [
    i32 7, label %137
  ]

137:                                              ; preds = %135
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %138 unwind label %67

138:                                              ; preds = %137
  store i32 0, ptr %13, align 4
  br label %139

139:                                              ; preds = %138, %135
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  %140 = load i32, ptr %13, align 4
  switch i32 %140, label %147 [
    i32 0, label %141
  ]

141:                                              ; preds = %139
  br label %45, !llvm.loop !13

142:                                              ; preds = %108, %67
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %149

143:                                              ; preds = %47
  br label %144

144:                                              ; preds = %143, %39
  %145 = load i32, ptr %12, align 4, !tbaa !9
  %146 = add nsw i32 %145, 1
  store i32 %146, ptr %12, align 4, !tbaa !9
  br label %20, !llvm.loop !14

147:                                              ; preds = %139, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  %148 = load i32, ptr %13, align 4
  switch i32 %148, label %151 [
    i32 2, label %150
  ]

149:                                              ; preds = %142, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #4
  br label %153

150:                                              ; preds = %147
  store i1 true, ptr %3, align 1
  store i32 1, ptr %13, align 4
  br label %151

151:                                              ; preds = %150, %147
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  %152 = load i1, ptr %3, align 1
  ret i1 %152

153:                                              ; preds = %149, %29
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  br label %154

154:                                              ; preds = %153, %25
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  br label %155

155:                                              ; preds = %154
  %156 = load ptr, ptr %9, align 8
  %157 = load i32, ptr %10, align 4
  %158 = insertvalue { ptr, i32 } poison, ptr %156, 0
  %159 = insertvalue { ptr, i32 } %158, i32 %157, 1
  resume { ptr, i32 } %159
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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 uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 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: 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 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 noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 }
%"class.std::allocator" = type { i8 }
%"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 }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z14checkBipartitePSt6vectorIiSaIiEEi(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::queue", align 8
  %7 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %8 = sext i32 %1 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %8, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %9 unwind label %11

9:                                                ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %6) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %10 unwind label %13

10:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  %.not4055 = icmp slt i32 %1, 1
  br i1 %.not4055, label %.critedge46, label %.lr.ph58

11:                                               ; preds = %2
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %64

13:                                               ; preds = %9
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %63

.lr.ph58:                                         ; preds = %10, %.loopexit
  %storemerge56 = phi i32 [ %60, %.loopexit ], [ 0, %10 ]
  %15 = sext i32 %storemerge56 to i64
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %15) #4
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %.not = icmp eq i32 %17, 0
  br i1 %.not, label %18, label %.loopexit

18:                                               ; preds = %.lr.ph58
  %19 = load i32, ptr %7, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %20) #4
  store i32 1, ptr %21, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %.preheader unwind label %29

.preheader:                                       ; preds = %18
  %22 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  br i1 %22, label %.loopexit, label %.lr.ph54

.critedge47:                                      ; preds = %57, %.lr.ph54
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  %23 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  br i1 %23, label %.loopexit, label %.lr.ph54

.lr.ph54:                                         ; preds = %.preheader, %.critedge47
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds %"class.std::vector", ptr %0, i64 %26
  %28 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #4
  %.not39.not52.not = icmp eq i64 %28, 0
  br i1 %.not39.not52.not, label %.critedge47, label %.lr.ph

29:                                               ; preds = %18
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %61

.lr.ph:                                           ; preds = %.lr.ph54, %57
  %indvars.iv = phi i64 [ %indvars.iv.next, %57 ], [ 0, %.lr.ph54 ]
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %indvars.iv) #4
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %33) #4
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %48

37:                                               ; preds = %.lr.ph
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26) #4
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = sub nsw i32 0, %39
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %indvars.iv) #4
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %43) #4
  store i32 %40, ptr %44, align 4, !tbaa !5
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %indvars.iv) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 4 dereferenceable(4) %45)
          to label %57 unwind label %46

46:                                               ; preds = %37
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %61

48:                                               ; preds = %.lr.ph
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %indvars.iv) #4
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %51) #4
  %53 = load i32, ptr %52, align 4, !tbaa !5
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26) #4
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = icmp eq i32 %53, %55
  br i1 %56, label %.critedge45, label %57

57:                                               ; preds = %37, %48
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %58 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #4
  %.not39.not = icmp ugt i64 %58, %indvars.iv.next
  br i1 %.not39.not, label %.lr.ph, label %.critedge47, !llvm.loop !9

.loopexit:                                        ; preds = %.critedge47, %.preheader, %.lr.ph58
  %59 = load i32, ptr %7, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %7, align 4, !tbaa !5
  %.not40.not = icmp slt i32 %60, %1
  br i1 %.not40.not, label %.lr.ph58, label %.critedge46, !llvm.loop !11

.critedge45:                                      ; preds = %48
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  br label %62

61:                                               ; preds = %46, %29
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %30, %29 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #4
  br label %63

.critedge46:                                      ; preds = %.loopexit, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  br label %62

62:                                               ; preds = %.critedge45, %.critedge46
  %.not4051 = phi i1 [ false, %.critedge45 ], [ true, %.critedge46 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  ret i1 %.not4051

63:                                               ; preds = %61, %13
  %.pn.pn = phi { ptr, i32 } [ %.pn, %61 ], [ %14, %13 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %64

64:                                               ; preds = %63, %11
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %63 ], [ %12, %11 ]
  call void @llvm.lifetime.end.p0(i64 24, 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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) 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 uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 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: 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 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 noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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