; LLVM IR from Lakhankumawat/LearnCPP :: S-STL/C-Containers/L-List (Lists)

; 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 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef) #0

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

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

; 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) #0 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 norecurse uwtable
define dso_local noundef i32 @main() #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::list", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::list", align 8
  %8 = alloca %"class.std::__cxx11::list", align 8
  %9 = alloca %"class.std::__cxx11::list", align 8
  %10 = alloca %"class.std::__cxx11::list", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #6
  call void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %19, %0
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = icmp sle i32 %12, 10
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %26

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = mul nsw i32 %16, 2
  store i32 %17, ptr %4, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %18 unwind label %22

18:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %19

19:                                               ; preds = %18
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %3, align 4, !tbaa !5
  br label %11, !llvm.loop !9

22:                                               ; preds = %15
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %5, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %81

26:                                               ; preds = %14
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %28 unwind label %61

28:                                               ; preds = %26
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %29 unwind label %61

29:                                               ; preds = %28
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef %7)
          to label %30 unwind label %65

30:                                               ; preds = %29
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %32 unwind label %61

32:                                               ; preds = %30
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %31, i32 noundef %34)
          to label %36 unwind label %61

36:                                               ; preds = %32
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef @.str.3)
          to label %38 unwind label %61

38:                                               ; preds = %36
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %40 unwind label %61

40:                                               ; preds = %38
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %39, i32 noundef %42)
          to label %44 unwind label %61

44:                                               ; preds = %40
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %43, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %46 unwind label %61

46:                                               ; preds = %44
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %48 unwind label %61

48:                                               ; preds = %46
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %49 unwind label %61

49:                                               ; preds = %48
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef %8)
          to label %50 unwind label %69

50:                                               ; preds = %49
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
          to label %52 unwind label %61

52:                                               ; preds = %50
  call void @_ZNSt7__cxx114listIiSaIiEE7reverseEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %53 unwind label %61

53:                                               ; preds = %52
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef %9)
          to label %54 unwind label %73

54:                                               ; preds = %53
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.7)
          to label %56 unwind label %61

56:                                               ; preds = %54
  invoke void @_ZNSt7__cxx114listIiSaIiEE4sortEv(ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %57 unwind label %61

57:                                               ; preds = %56
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %58 unwind label %61

58:                                               ; preds = %57
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef %10)
          to label %59 unwind label %77

59:                                               ; preds = %58
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  store i32 0, ptr %1, align 4
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  %60 = load i32, ptr %1, align 4
  ret i32 %60

61:                                               ; preds = %57, %56, %54, %52, %50, %48, %46, %44, %40, %38, %36, %32, %30, %28, %26
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %5, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %6, align 4
  br label %81

65:                                               ; preds = %29
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %5, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %6, align 4
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  br label %81

69:                                               ; preds = %49
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %5, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %6, align 4
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  br label %81

73:                                               ; preds = %53
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %5, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %6, align 4
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  br label %81

77:                                               ; preds = %58
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %5, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %6, align 4
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %81

81:                                               ; preds = %77, %73, %69, %65, %61, %22
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  br label %82

82:                                               ; preds = %81
  %83 = load ptr, ptr %5, align 8
  %84 = load i32, ptr %6, align 4
  %85 = insertvalue { ptr, i32 } poison, ptr %83, 0
  %86 = insertvalue { ptr, i32 } %85, i32 %84, 1
  resume { ptr, i32 } %86
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 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)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE7reverseEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE4sortEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 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 = { 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 norecurse 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 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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

%"class.std::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 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef) local_unnamed_addr #0

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

; 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 #0 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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::list", align 8
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::list", align 8
  %4 = alloca %"class.std::__cxx11::list", align 8
  %5 = alloca %"class.std::__cxx11::list", align 8
  %6 = alloca %"class.std::__cxx11::list", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 2, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %7 unwind label %18

7:                                                ; preds = %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 4, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %8 unwind label %18

8:                                                ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 6, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %9 unwind label %18

9:                                                ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 8, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %10 unwind label %18

10:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 10, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %11 unwind label %18

11:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 12, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %12 unwind label %18

12:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 14, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %13 unwind label %18

13:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 16, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %14 unwind label %18

14:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 18, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %15 unwind label %18

15:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 20, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %16 unwind label %18

16:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  %17 = 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.1)
          to label %20 unwind label %52

18:                                               ; preds = %15, %14, %13, %12, %11, %10, %9, %8, %7, %0
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  br label %62

20:                                               ; preds = %16
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %21 unwind label %52

21:                                               ; preds = %20
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef nonnull %3)
          to label %22 unwind label %54

22:                                               ; preds = %21
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %23 = 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.2)
          to label %24 unwind label %52

24:                                               ; preds = %22
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %23, i32 noundef %26)
          to label %28 unwind label %52

28:                                               ; preds = %24
  %29 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef nonnull @.str.3)
          to label %30 unwind label %52

30:                                               ; preds = %28
  %31 = 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.4)
          to label %32 unwind label %52

32:                                               ; preds = %30
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %31, i32 noundef %34)
          to label %36 unwind label %52

36:                                               ; preds = %32
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %38 unwind label %52

38:                                               ; preds = %36
  %39 = 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.5)
          to label %40 unwind label %52

40:                                               ; preds = %38
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %41 unwind label %52

41:                                               ; preds = %40
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef nonnull %4)
          to label %42 unwind label %56

42:                                               ; preds = %41
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %43 = 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.6)
          to label %44 unwind label %52

44:                                               ; preds = %42
  call void @_ZNSt7__cxx114listIiSaIiEE7reverseEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %45 unwind label %52

45:                                               ; preds = %44
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef nonnull %5)
          to label %46 unwind label %58

46:                                               ; preds = %45
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %47 = 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.7)
          to label %48 unwind label %52

48:                                               ; preds = %46
  invoke void @_ZNSt7__cxx114listIiSaIiEE4sortEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %49 unwind label %52

49:                                               ; preds = %48
  invoke void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %50 unwind label %52

50:                                               ; preds = %49
  invoke void @_Z8showlistNSt7__cxx114listIiSaIiEEE(ptr noundef nonnull %6)
          to label %51 unwind label %60

51:                                               ; preds = %50
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  ret i32 0

52:                                               ; preds = %49, %48, %46, %44, %42, %40, %38, %36, %32, %30, %28, %24, %22, %20, %16
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %62

54:                                               ; preds = %21
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %62

56:                                               ; preds = %41
  %57 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %62

58:                                               ; preds = %45
  %59 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %62

60:                                               ; preds = %50
  %61 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  br label %62

62:                                               ; preds = %60, %58, %56, %54, %52, %18
  %.pn = phi { ptr, i32 } [ %19, %18 ], [ %61, %60 ], [ %53, %52 ], [ %59, %58 ], [ %57, %56 ], [ %55, %54 ]
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 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 #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE7reverseEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE4sortEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 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 = { 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 norecurse 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 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass