; LLVM IR from imeplusplus/icpc-notebook :: graphs/find_cycle_3_4.ll (Z7circle4v)

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

@n = external dso_local global i32, align 4
@go = external dso_local global [330000 x %"class.std::vector"], align 16
@lk = external dso_local global [330000 x %"class.std::vector"], align 16
@w = external dso_local global [330000 x i32], align 16
@pos = external dso_local global [330000 x i32], align 16

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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)) #2

; 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)) #1 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)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z7circle4v() #1 {
  %1 = alloca i1, align 1
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca i32, align 4
  %14 = alloca ptr, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca i32, align 4
  %18 = alloca ptr, align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %31, %0
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = load i32, ptr @n, align 4, !tbaa !5
  %25 = icmp sle i32 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  br label %34

27:                                               ; preds = %22
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [330000 x i32], ptr @w, i64 0, i64 %29
  store i32 0, ptr %30, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %27
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %2, align 4, !tbaa !5
  br label %22, !llvm.loop !9

34:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %152, %34
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = load i32, ptr @n, align 4, !tbaa !5
  %38 = icmp sle i32 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  store i32 5, ptr %5, align 4
  br label %155

40:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @go, i64 0, i64 %42
  store ptr %43, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %44 = load ptr, ptr %6, align 8, !tbaa !11
  %45 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %44) #3
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %45, ptr %46, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %47 = load ptr, ptr %6, align 8, !tbaa !11
  %48 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %47) #3
  %49 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %48, ptr %49, align 8
  br label %50

50:                                               ; preds = %108, %40
  %51 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  br i1 %51, label %53, label %52

52:                                               ; preds = %50
  store i32 8, ptr %5, align 4
  br label %110

53:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  %55 = load i32, ptr %54, align 4, !tbaa !5
  store i32 %55, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %56 = load i32, ptr %9, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @lk, i64 0, i64 %57
  store ptr %58, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %59 = load ptr, ptr %10, align 8, !tbaa !11
  %60 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #3
  %61 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %60, ptr %61, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %62 = load ptr, ptr %10, align 8, !tbaa !11
  %63 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %62) #3
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %63, ptr %64, align 8
  br label %65

65:                                               ; preds = %100, %53
  %66 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #3
  br i1 %66, label %68, label %67

67:                                               ; preds = %65
  store i32 10, ptr %5, align 4
  br label %102

68:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #3
  %70 = load i32, ptr %69, align 4, !tbaa !5
  store i32 %70, ptr %13, align 4, !tbaa !5
  %71 = load i32, ptr %13, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [330000 x i32], ptr @pos, i64 0, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = load i32, ptr %4, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds [330000 x i32], ptr @pos, i64 0, i64 %76
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = icmp sgt i32 %74, %78
  br i1 %79, label %80, label %96

80:                                               ; preds = %68
  %81 = load i32, ptr %3, align 4, !tbaa !5
  %82 = load i32, ptr %13, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [330000 x i32], ptr @w, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = add nsw i32 %81, %85
  store i32 %86, ptr %3, align 4, !tbaa !5
  %87 = load i32, ptr %13, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds [330000 x i32], ptr @w, i64 0, i64 %88
  %90 = load i32, ptr %89, align 4, !tbaa !5
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %89, align 4, !tbaa !5
  %92 = load i32, ptr %3, align 4, !tbaa !5
  %93 = icmp ne i32 %92, 0
  br i1 %93, label %94, label %95

94:                                               ; preds = %80
  store i1 true, ptr %1, align 1
  store i32 1, ptr %5, align 4
  br label %97

95:                                               ; preds = %80
  br label %96

96:                                               ; preds = %95, %68
  store i32 0, ptr %5, align 4
  br label %97

97:                                               ; preds = %96, %94
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  %98 = load i32, ptr %5, align 4
  switch i32 %98, label %102 [
    i32 0, label %99
  ]

99:                                               ; preds = %97
  br label %100

100:                                              ; preds = %99
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #3
  br label %65

102:                                              ; preds = %97, %67
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  %103 = load i32, ptr %5, align 4
  switch i32 %103, label %105 [
    i32 10, label %104
  ]

104:                                              ; preds = %102
  store i32 0, ptr %5, align 4
  br label %105

105:                                              ; preds = %104, %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  %106 = load i32, ptr %5, align 4
  switch i32 %106, label %110 [
    i32 0, label %107
  ]

107:                                              ; preds = %105
  br label %108

108:                                              ; preds = %107
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  br label %50

110:                                              ; preds = %105, %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %111 = load i32, ptr %5, align 4
  switch i32 %111, label %155 [
    i32 8, label %112
  ]

112:                                              ; preds = %110
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #3
  %113 = load i32, ptr %4, align 4, !tbaa !5
  %114 = sext i32 %113 to i64
  %115 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @go, i64 0, i64 %114
  store ptr %115, ptr %14, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  %116 = load ptr, ptr %14, align 8, !tbaa !11
  %117 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %116) #3
  %118 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %117, ptr %118, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #3
  %119 = load ptr, ptr %14, align 8, !tbaa !11
  %120 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %119) #3
  %121 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %120, ptr %121, align 8
  br label %122

122:                                              ; preds = %149, %112
  %123 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #3
  br i1 %123, label %125, label %124

124:                                              ; preds = %122
  store i32 12, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  br label %151

125:                                              ; preds = %122
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #3
  %126 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #3
  %127 = load i32, ptr %126, align 4, !tbaa !5
  store i32 %127, ptr %17, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #3
  %128 = load i32, ptr %17, align 4, !tbaa !5
  %129 = sext i32 %128 to i64
  %130 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @lk, i64 0, i64 %129
  store ptr %130, ptr %18, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #3
  %131 = load ptr, ptr %18, align 8, !tbaa !11
  %132 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %131) #3
  %133 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %132, ptr %133, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #3
  %134 = load ptr, ptr %18, align 8, !tbaa !11
  %135 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %134) #3
  %136 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %135, ptr %136, align 8
  br label %137

137:                                              ; preds = %146, %125
  %138 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull align 8 dereferenceable(8) %20) #3
  br i1 %138, label %140, label %139

139:                                              ; preds = %137
  store i32 14, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #3
  br label %148

140:                                              ; preds = %137
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #3
  %141 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #3
  %142 = load i32, ptr %141, align 4, !tbaa !5
  store i32 %142, ptr %21, align 4, !tbaa !5
  %143 = load i32, ptr %21, align 4, !tbaa !5
  %144 = sext i32 %143 to i64
  %145 = getelementptr inbounds [330000 x i32], ptr @w, i64 0, i64 %144
  store i32 0, ptr %145, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #3
  br label %146

146:                                              ; preds = %140
  %147 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #3
  br label %137

148:                                              ; preds = %139
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  br label %149

149:                                              ; preds = %148
  %150 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #3
  br label %122

151:                                              ; preds = %124
  br label %152

152:                                              ; preds = %151
  %153 = load i32, ptr %4, align 4, !tbaa !5
  %154 = add nsw i32 %153, 1
  store i32 %154, ptr %4, align 4, !tbaa !5
  br label %35, !llvm.loop !13

155:                                              ; preds = %110, %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %156 = load i32, ptr %5, align 4
  switch i32 %156, label %158 [
    i32 5, label %157
  ]

157:                                              ; preds = %155
  store i1 false, ptr %1, align 1
  store i32 1, ptr %5, align 4
  br label %158

158:                                              ; preds = %157, %155
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  %159 = load i1, ptr %1, align 1
  ret i1 %159
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !10}


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

@n = external dso_local local_unnamed_addr global i32, align 4
@go = external dso_local global [330000 x %"class.std::vector"], align 16
@lk = external dso_local global [330000 x %"class.std::vector"], align 16
@w = external dso_local local_unnamed_addr global [330000 x i32], align 16
@pos = external dso_local local_unnamed_addr global [330000 x i32], align 16

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 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 #2

; 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 #1 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z7circle4v() local_unnamed_addr #1 {
  %1 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %.not63 = icmp slt i32 %9, 1
  br i1 %.not63, label %.critedge, label %.lr.ph81.preheader

.lr.ph81.preheader:                               ; preds = %0
  %10 = zext nneg i32 %9 to i64
  %11 = shl nuw nsw i64 %10, 2
  tail call void @llvm.memset.p0.i64(ptr nonnull align 4 getelementptr inbounds (i8, ptr @w, i64 4), i8 0, i64 %11, i1 false), !tbaa !5
  br label %.lr.ph81

.lr.ph81:                                         ; preds = %.lr.ph81.preheader, %._crit_edge76
  %indvars.iv = phi i64 [ 1, %.lr.ph81.preheader ], [ %indvars.iv.next, %._crit_edge76 ]
  %12 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @go, i64 0, i64 %indvars.iv
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %13 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %13, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %14 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %14, ptr %2, align 8
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  br i1 %15, label %.lr.ph69, label %.loopexit

.lr.ph69:                                         ; preds = %.lr.ph81
  %16 = getelementptr inbounds [330000 x i32], ptr @pos, i64 0, i64 %indvars.iv
  br label %17

17:                                               ; preds = %.lr.ph69, %._crit_edge
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #4
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @lk, i64 0, i64 %20
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %22 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #4
  store ptr %22, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %23 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #4
  store ptr %23, ptr %4, align 8
  %24 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %24, label %.lr.ph66, label %._crit_edge

.lr.ph66:                                         ; preds = %17, %.thread
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [330000 x i32], ptr @pos, i64 0, i64 %27
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = load i32, ptr %16, align 4, !tbaa !5
  %31 = icmp sgt i32 %29, %30
  br i1 %31, label %32, label %.thread

32:                                               ; preds = %.lr.ph66
  %33 = getelementptr inbounds [330000 x i32], ptr @w, i64 0, i64 %27
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %33, align 4, !tbaa !5
  %.not49 = icmp eq i32 %34, 0
  br i1 %.not49, label %.thread, label %40

.thread:                                          ; preds = %.lr.ph66, %32
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %37 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %37, label %.lr.ph66, label %._crit_edge

._crit_edge:                                      ; preds = %.thread, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #4
  %39 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  br i1 %39, label %17, label %.loopexit

40:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  br label %.critedge

.loopexit:                                        ; preds = %._crit_edge, %.lr.ph81
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %41 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %41, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %42 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %42, ptr %6, align 8
  %43 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %43, label %.lr.ph75, label %._crit_edge76

._crit_edge76:                                    ; preds = %._crit_edge73, %.loopexit
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %44 = load i32, ptr @n, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %.not48 = icmp slt i64 %indvars.iv, %45
  br i1 %.not48, label %.lr.ph81, label %.critedge, !llvm.loop !9

.lr.ph75:                                         ; preds = %.loopexit, %._crit_edge73
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [330000 x %"class.std::vector"], ptr @lk, i64 0, i64 %48
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %50 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %49) #4
  store ptr %50, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %51 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %49) #4
  store ptr %51, ptr %8, align 8
  %52 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %52, label %.lr.ph72, label %._crit_edge73

._crit_edge73:                                    ; preds = %.lr.ph72, %.lr.ph75
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %54 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %54, label %.lr.ph75, label %._crit_edge76

.lr.ph72:                                         ; preds = %.lr.ph75, %.lr.ph72
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [330000 x i32], ptr @w, i64 0, i64 %57
  store i32 0, ptr %58, align 4, !tbaa !5
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %60 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %60, label %.lr.ph72, label %._crit_edge73

.critedge:                                        ; preds = %._crit_edge76, %40, %0
  %.not48.lcssa = phi i1 [ false, %0 ], [ true, %40 ], [ false, %._crit_edge76 ]
  ret i1 %.not48.lcssa
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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"}


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