; LLVM IR from codemistic/Data-Structures-and-Algorithms :: BFS in C++/BFS.ll (ZN5Graph3BFSEi)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" }
%"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"struct.std::_List_iterator" = type { ptr }
%class.Graph = type { i32, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Graph3BFSEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::list", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::_List_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_List_iterator", align 8
  %12 = alloca %"struct.std::_List_iterator", align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %14 = load ptr, ptr %3, align 8
  %15 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 0
  %16 = load i32, ptr %15, align 8, !tbaa !11
  %17 = sext i32 %16 to i64
  %18 = call noalias noundef nonnull ptr @_Znam(i64 noundef %17) #7
  %19 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 2
  store ptr %18, ptr %19, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %32, %2
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 0
  %23 = load i32, ptr %22, align 8, !tbaa !11
  %24 = icmp slt i32 %21, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %35

26:                                               ; preds = %20
  %27 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 2
  %28 = load ptr, ptr %27, align 8, !tbaa !13
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds i8, ptr %28, i64 %30
  store i8 0, ptr %31, align 1, !tbaa !14
  br label %32

32:                                               ; preds = %26
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %5, align 4, !tbaa !9
  br label %20, !llvm.loop !16

35:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #8
  call void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %36 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 2
  %37 = load ptr, ptr %36, align 8, !tbaa !13
  %38 = load i32, ptr %4, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds i8, ptr %37, i64 %39
  store i8 1, ptr %40, align 1, !tbaa !14
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %41 unwind label %88

41:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #8
  call void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #8
  br label %42

42:                                               ; preds = %103, %41
  %43 = call noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %44 = xor i1 %43, true
  br i1 %44, label %45, label %105

45:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %47 = load i32, ptr %46, align 4, !tbaa !9
  store i32 %47, ptr %10, align 4, !tbaa !9
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %49 unwind label %92

49:                                               ; preds = %45
  %50 = load i32, ptr %10, align 4, !tbaa !9
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %48, i32 noundef %50)
          to label %52 unwind label %92

52:                                               ; preds = %49
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @.str.1)
          to label %54 unwind label %92

54:                                               ; preds = %52
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %55 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 1
  %56 = load ptr, ptr %55, align 8, !tbaa !18
  %57 = load i32, ptr %10, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds %"class.std::__cxx11::list", ptr %56, i64 %58
  %60 = call ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #8
  %61 = getelementptr inbounds %"struct.std::_List_iterator", ptr %11, i32 0, i32 0
  store ptr %60, ptr %61, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %11, i64 8, i1 false), !tbaa.struct !19
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %62

62:                                               ; preds = %101, %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %63 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 1
  %64 = load ptr, ptr %63, align 8, !tbaa !18
  %65 = load i32, ptr %10, align 4, !tbaa !9
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds %"class.std::__cxx11::list", ptr %64, i64 %66
  %68 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %67) #8
  %69 = getelementptr inbounds %"struct.std::_List_iterator", ptr %12, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  %70 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br i1 %70, label %71, label %103

71:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #8
  %73 = load i32, ptr %72, align 4, !tbaa !9
  store i32 %73, ptr %13, align 4, !tbaa !9
  %74 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 2
  %75 = load ptr, ptr %74, align 8, !tbaa !13
  %76 = load i32, ptr %13, align 4, !tbaa !9
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds i8, ptr %75, i64 %77
  %79 = load i8, ptr %78, align 1, !tbaa !14, !range !20, !noundef !21
  %80 = trunc i8 %79 to i1
  br i1 %80, label %100, label %81

81:                                               ; preds = %71
  %82 = getelementptr inbounds %class.Graph, ptr %14, i32 0, i32 2
  %83 = load ptr, ptr %82, align 8, !tbaa !13
  %84 = load i32, ptr %13, align 4, !tbaa !9
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds i8, ptr %83, i64 %85
  store i8 1, ptr %86, align 1, !tbaa !14
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %87 unwind label %96

87:                                               ; preds = %81
  br label %100

88:                                               ; preds = %35
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %7, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %8, align 4
  br label %106

92:                                               ; preds = %52, %49, %45
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %7, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %8, align 4
  br label %104

96:                                               ; preds = %81
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %7, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %104

100:                                              ; preds = %87, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %101

101:                                              ; preds = %100
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #8
  br label %62, !llvm.loop !22

103:                                              ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %42, !llvm.loop !23

104:                                              ; preds = %96, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  br label %106

105:                                              ; preds = %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  ret void

106:                                              ; preds = %104, %88
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  br label %107

107:                                              ; preds = %106
  %108 = load ptr, ptr %7, align 8
  %109 = load i32, ptr %8, align 4
  %110 = insertvalue { ptr, i32 } poison, ptr %108, 0
  %111 = insertvalue { ptr, i32 } %110, i32 %109, 1
  resume { ptr, i32 } %111
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(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 @_ZNSt14_List_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { nobuiltin allocsize(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 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { 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, !10, i64 0}
!12 = !{!"_ZTS5Graph", !10, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 16}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = !{!12, !6, i64 8}
!19 = !{i64 0, i64 8, !5}
!20 = !{i8 0, i8 2}
!21 = !{}
!22 = distinct !{!22, !17}
!23 = distinct !{!23, !17}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" }
%"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"struct.std::_List_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Graph3BFSEi(ptr nocapture noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::__cxx11::list", align 8
  %5 = alloca %"struct.std::_List_iterator", align 8
  %6 = alloca %"struct.std::_List_iterator", align 8
  %7 = alloca i32, align 4
  store i32 %1, ptr %3, align 4, !tbaa !5
  %8 = load i32, ptr %0, align 8, !tbaa !9
  %9 = sext i32 %8 to i64
  %10 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %9) #7
  %11 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %10, ptr %11, align 8, !tbaa !12
  %12 = icmp sgt i32 %8, 0
  br i1 %12, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %13 = zext nneg i32 %8 to i64
  tail call void @llvm.memset.p0.i64(ptr nonnull align 1 %10, i8 0, i64 %13, i1 false), !tbaa !13
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.preheader, %2
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #8
  call void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  %14 = load ptr, ptr %11, align 8, !tbaa !12
  %15 = sext i32 %1 to i64
  %16 = getelementptr inbounds i8, ptr %14, i64 %15
  store i8 1, ptr %16, align 1, !tbaa !13
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %17 unwind label %46

17:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  call void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  %18 = call noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  br i1 %18, label %._crit_edge18, label %.lr.ph17

.lr.ph17:                                         ; preds = %17
  %19 = getelementptr inbounds i8, ptr %0, i64 8
  br label %21

.loopexit:                                        ; preds = %52, %29
  %20 = call noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  br i1 %20, label %._crit_edge18, label %21, !llvm.loop !15

21:                                               ; preds = %.lr.ph17, %.loopexit
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %25 unwind label %48

25:                                               ; preds = %21
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %24, i32 noundef %23)
          to label %27 unwind label %48

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @.str.1)
          to label %29 unwind label %48

29:                                               ; preds = %27
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  %30 = load ptr, ptr %19, align 8, !tbaa !17
  %31 = sext i32 %23 to i64
  %32 = getelementptr inbounds %"class.std::__cxx11::list", ptr %30, i64 %31
  %33 = call ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %32) #8
  store ptr %33, ptr %5, align 8, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #8
  %34 = load ptr, ptr %19, align 8, !tbaa !17
  %35 = getelementptr inbounds %"class.std::__cxx11::list", ptr %34, i64 %31
  %36 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #8
  store ptr %36, ptr %6, align 8
  %37 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #8
  br i1 %37, label %.lr.ph15, label %.loopexit

.lr.ph15:                                         ; preds = %29, %52
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  %39 = load i32, ptr %38, align 4, !tbaa !5
  store i32 %39, ptr %7, align 4, !tbaa !5
  %40 = load ptr, ptr %11, align 8, !tbaa !12
  %41 = sext i32 %39 to i64
  %42 = getelementptr inbounds i8, ptr %40, i64 %41
  %43 = load i8, ptr %42, align 1, !tbaa !13, !range !19, !noundef !20
  %44 = trunc nuw i8 %43 to i1
  br i1 %44, label %52, label %45

45:                                               ; preds = %.lr.ph15
  store i8 1, ptr %42, align 1, !tbaa !13
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %52 unwind label %50

46:                                               ; preds = %._crit_edge
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %59

48:                                               ; preds = %27, %25, %21
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %58

50:                                               ; preds = %45
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  br label %58

52:                                               ; preds = %45, %.lr.ph15
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #8
  %54 = load ptr, ptr %19, align 8, !tbaa !17
  %55 = getelementptr inbounds %"class.std::__cxx11::list", ptr %54, i64 %31
  %56 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %55) #8
  store ptr %56, ptr %6, align 8
  %57 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #8
  br i1 %57, label %.lr.ph15, label %.loopexit, !llvm.loop !21

58:                                               ; preds = %50, %48
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  br label %59

._crit_edge18:                                    ; preds = %.loopexit, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #8
  ret void

59:                                               ; preds = %58, %46
  %.pn.pn = phi { ptr, i32 } [ %.pn, %58 ], [ %47, %46 ]
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #8
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(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 @_ZNSt14_List_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #6

attributes #0 = { nobuiltin allocsize(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 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS5Graph", !6, i64 0, !11, i64 8, !11, i64 16}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !11, i64 16}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!10, !11, i64 8}
!18 = !{!11, !11, i64 0}
!19 = !{i8 0, i8 2}
!20 = !{}
!21 = distinct !{!21, !16}


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