; LLVM IR from Leet-Us-Code/DSA-A-Z-Practice :: Sid's Levels/Level - 1/Graphs/PrintAllPaths.ll (ZN5Graph17printAllPathsUtilEiiPbPiRi)

; 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 }
%"struct.std::_List_iterator" = type { ptr }
%class.Graph = type { i32, 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 }

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

; 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 uwtable
define dso_local void @_ZN5Graph17printAllPathsUtilEiiPbPiRi(ptr noundef nonnull align 8 dereferenceable(16) %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef nonnull align 4 dereferenceable(4) %5) #1 align 2 {
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::_List_iterator", align 8
  %15 = alloca %"struct.std::_List_iterator", align 8
  %16 = alloca %"struct.std::_List_iterator", align 8
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !9
  store i32 %2, ptr %9, align 4, !tbaa !9
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  store ptr %5, ptr %12, align 8, !tbaa !5
  %17 = load ptr, ptr %7, align 8
  %18 = load ptr, ptr %10, align 8, !tbaa !5
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds i8, ptr %18, i64 %20
  store i8 1, ptr %21, align 1, !tbaa !11
  %22 = load i32, ptr %8, align 4, !tbaa !9
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  %24 = load ptr, ptr %12, align 8, !tbaa !5
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i32, ptr %23, i64 %26
  store i32 %22, ptr %27, align 4, !tbaa !9
  %28 = load ptr, ptr %12, align 8, !tbaa !5
  %29 = load i32, ptr %28, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %28, align 4, !tbaa !9
  %31 = load i32, ptr %8, align 4, !tbaa !9
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = icmp eq i32 %31, %32
  br i1 %33, label %34, label %54

34:                                               ; preds = %6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %49, %34
  %36 = load i32, ptr %13, align 4, !tbaa !9
  %37 = load ptr, ptr %12, align 8, !tbaa !5
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = icmp slt i32 %36, %38
  br i1 %39, label %41, label %40

40:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %52

41:                                               ; preds = %35
  %42 = load ptr, ptr %11, align 8, !tbaa !5
  %43 = load i32, ptr %13, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds i32, ptr %42, i64 %44
  %46 = load i32, ptr %45, align 4, !tbaa !9
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %46)
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef @.str)
  br label %49

49:                                               ; preds = %41
  %50 = load i32, ptr %13, align 4, !tbaa !9
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %13, align 4, !tbaa !9
  br label %35, !llvm.loop !13

52:                                               ; preds = %40
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %90

54:                                               ; preds = %6
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  call void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %55 = getelementptr inbounds %class.Graph, ptr %17, i32 0, i32 1
  %56 = load ptr, ptr %55, align 8, !tbaa !15
  %57 = load i32, ptr %8, 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) #6
  %61 = getelementptr inbounds %"struct.std::_List_iterator", ptr %15, i32 0, i32 0
  store ptr %60, ptr %61, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %14, ptr align 8 %15, i64 8, i1 false), !tbaa.struct !17
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %62

62:                                               ; preds = %87, %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %63 = getelementptr inbounds %class.Graph, ptr %17, i32 0, i32 1
  %64 = load ptr, ptr %63, align 8, !tbaa !15
  %65 = load i32, ptr %8, 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) #6
  %69 = getelementptr inbounds %"struct.std::_List_iterator", ptr %16, 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) %14, ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br i1 %70, label %71, label %89

71:                                               ; preds = %62
  %72 = load ptr, ptr %10, align 8, !tbaa !5
  %73 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  %74 = load i32, ptr %73, align 4, !tbaa !9
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds i8, ptr %72, i64 %75
  %77 = load i8, ptr %76, align 1, !tbaa !11, !range !18, !noundef !19
  %78 = trunc i8 %77 to i1
  br i1 %78, label %86, label %79

79:                                               ; preds = %71
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  %81 = load i32, ptr %80, align 4, !tbaa !9
  %82 = load i32, ptr %9, align 4, !tbaa !9
  %83 = load ptr, ptr %10, align 8, !tbaa !5
  %84 = load ptr, ptr %11, align 8, !tbaa !5
  %85 = load ptr, ptr %12, align 8, !tbaa !5
  call void @_ZN5Graph17printAllPathsUtilEiiPbPiRi(ptr noundef nonnull align 8 dereferenceable(16) %17, i32 noundef %81, i32 noundef %82, ptr noundef %83, ptr noundef %84, ptr noundef nonnull align 4 dereferenceable(4) %85)
  br label %86

86:                                               ; preds = %79, %71
  br label %87

87:                                               ; preds = %86
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br label %62, !llvm.loop !20

89:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %90

90:                                               ; preds = %89, %52
  %91 = load ptr, ptr %12, align 8, !tbaa !5
  %92 = load i32, ptr %91, align 4, !tbaa !9
  %93 = add nsw i32 %92, -1
  store i32 %93, ptr %91, align 4, !tbaa !9
  %94 = load ptr, ptr %10, align 8, !tbaa !5
  %95 = load i32, ptr %8, align 4, !tbaa !9
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds i8, ptr %94, i64 %96
  store i8 0, ptr %97, align 1, !tbaa !11
  ret void
}

; 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) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 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) #5

; 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 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)) #4 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)) #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { "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 = { 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 #5 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!16, !6, i64 8}
!16 = !{!"_ZTS5Graph", !10, i64 0, !6, i64 8}
!17 = !{i64 0, i64 8, !5}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = distinct !{!20, !14}


; 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 }
%"struct.std::_List_iterator" = 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 }

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

; 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 uwtable
define dso_local void @_ZN5Graph17printAllPathsUtilEiiPbPiRi(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef %3, ptr nocapture noundef %4, ptr nocapture noundef nonnull align 4 dereferenceable(4) %5) local_unnamed_addr #1 align 2 {
  %7 = alloca %"struct.std::_List_iterator", align 8
  %8 = alloca %"struct.std::_List_iterator", align 8
  %9 = sext i32 %1 to i64
  %10 = getelementptr inbounds i8, ptr %3, i64 %9
  store i8 1, ptr %10, align 1, !tbaa !5
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds i32, ptr %4, i64 %12
  store i32 %1, ptr %13, align 4, !tbaa !9
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = add nsw i32 %14, 1
  store i32 %15, ptr %5, align 4, !tbaa !9
  %16 = icmp eq i32 %1, %2
  br i1 %16, label %.preheader, label %26

.preheader:                                       ; preds = %6
  %17 = icmp sgt i32 %14, -1
  br i1 %17, label %.lr.ph25, label %._crit_edge26

._crit_edge26:                                    ; preds = %.lr.ph25, %.preheader
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %50

.lr.ph25:                                         ; preds = %.preheader, %.lr.ph25
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph25 ], [ 0, %.preheader ]
  %19 = getelementptr inbounds i32, ptr %4, i64 %indvars.iv
  %20 = load i32, ptr %19, align 4, !tbaa !9
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %20)
  %22 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull @.str)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = icmp slt i64 %indvars.iv.next, %24
  br i1 %25, label %.lr.ph25, label %._crit_edge26, !llvm.loop !11

26:                                               ; preds = %6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  call void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %27 = getelementptr inbounds i8, ptr %0, i64 8
  %28 = load ptr, ptr %27, align 8, !tbaa !13
  %29 = getelementptr inbounds %"class.std::__cxx11::list", ptr %28, i64 %9
  %30 = call ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #5
  store ptr %30, ptr %7, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %31 = load ptr, ptr %27, align 8, !tbaa !13
  %32 = getelementptr inbounds %"class.std::__cxx11::list", ptr %31, i64 %9
  %33 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %32) #5
  store ptr %33, ptr %8, align 8
  %34 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br i1 %34, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %26, %44
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %36 = load i32, ptr %35, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds i8, ptr %3, i64 %37
  %39 = load i8, ptr %38, align 1, !tbaa !5, !range !17, !noundef !18
  %40 = trunc nuw i8 %39 to i1
  br i1 %40, label %44, label %41

41:                                               ; preds = %.lr.ph
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14_List_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %43 = load i32, ptr %42, align 4, !tbaa !9
  call void @_ZN5Graph17printAllPathsUtilEiiPbPiRi(ptr noundef nonnull align 8 dereferenceable(16) %0, i32 noundef %43, i32 noundef %2, ptr noundef nonnull %3, ptr noundef %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  br label %44

44:                                               ; preds = %.lr.ph, %41
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %46 = load ptr, ptr %27, align 8, !tbaa !13
  %47 = getelementptr inbounds %"class.std::__cxx11::list", ptr %46, i64 %9
  %48 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %47) #5
  store ptr %48, ptr %8, align 8
  %49 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br i1 %49, label %.lr.ph, label %._crit_edge, !llvm.loop !19

._crit_edge:                                      ; preds = %44, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %50

50:                                               ; preds = %._crit_edge, %._crit_edge26
  %51 = load i32, ptr %5, align 4, !tbaa !9
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %5, align 4, !tbaa !9
  store i8 0, ptr %10, align 1, !tbaa !5
  ret void
}

; 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 #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_List_iteratorIiEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 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 #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 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 #4 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 #4 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { "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 = { 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 #5 = { 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 = !{!"bool", !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 = !{!14, !15, i64 8}
!14 = !{!"_ZTS5Graph", !10, i64 0, !15, i64 8}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!15, !15, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !12}


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