; LLVM IR from codemistic/Data-Structures-and-Algorithms :: CPP/LINKED LIST/SINGLY LINKED LIST/Maths For DSA/Sliding Window Problem/sliding/adc69f77 (kPiii)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__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 }

@v = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z32first_negative_element_of_size_kPiii(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::__cxx11::list", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #3
  call void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  br label %13

13:                                               ; preds = %63, %3
  %14 = load i32, ptr %8, align 4, !tbaa !9
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %17, label %64

17:                                               ; preds = %13
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds i32, ptr %18, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = icmp slt i32 %22, 0
  br i1 %23, label %24, label %34

24:                                               ; preds = %17
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds i32, ptr %25, i64 %27
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 4 dereferenceable(4) %28)
          to label %29 unwind label %30

29:                                               ; preds = %24
  br label %34

30:                                               ; preds = %24
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %10, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %11, align 4
  br label %65

34:                                               ; preds = %29, %17
  %35 = load i32, ptr %8, align 4, !tbaa !9
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = sub nsw i32 %35, %36
  %38 = add nsw i32 %37, 1
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %41, label %44

41:                                               ; preds = %34
  %42 = load i32, ptr %8, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %8, align 4, !tbaa !9
  br label %44

44:                                               ; preds = %41, %34
  %45 = load i32, ptr %8, align 4, !tbaa !9
  %46 = load i32, ptr %7, align 4, !tbaa !9
  %47 = sub nsw i32 %45, %46
  %48 = add nsw i32 %47, 1
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = icmp eq i32 %48, %49
  br i1 %50, label %51, label %63

51:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %53 = load i32, ptr %52, align 4, !tbaa !9
  store i32 %53, ptr %12, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @v, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %54 unwind label %59

54:                                               ; preds = %51
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %55 = load i32, ptr %7, align 4, !tbaa !9
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %7, align 4, !tbaa !9
  %57 = load i32, ptr %8, align 4, !tbaa !9
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %63

59:                                               ; preds = %51
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %10, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %65

63:                                               ; preds = %54, %44
  br label %13, !llvm.loop !11

64:                                               ; preds = %13
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void

65:                                               ; preds = %59, %30
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %66

66:                                               ; preds = %65
  %67 = load ptr, ptr %10, align 8
  %68 = load i32, ptr %11, align 4
  %69 = insertvalue { ptr, i32 } poison, ptr %67, 0
  %70 = insertvalue { ptr, i32 } %69, i32 %68, 1
  resume { ptr, i32 } %70
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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)) #0 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

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

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

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

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

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


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__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 }

@v = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z32first_negative_element_of_size_kPiii(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::list", align 8
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  call void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  %6 = icmp sgt i32 %1, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3, %29
  %.018.neg23 = phi i32 [ %.018.neg, %29 ], [ 0, %3 ]
  %.01722 = phi i32 [ %.2, %29 ], [ 0, %3 ]
  %.01821 = phi i32 [ %.119, %29 ], [ 0, %3 ]
  %7 = sext i32 %.01722 to i64
  %8 = getelementptr inbounds i32, ptr %0, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = icmp slt i32 %9, 0
  br i1 %10, label %11, label %14

11:                                               ; preds = %.lr.ph
  invoke void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %14 unwind label %12

12:                                               ; preds = %11
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %31

14:                                               ; preds = %11, %.lr.ph
  %15 = add i32 %.018.neg23, 1
  %16 = add i32 %15, %.01722
  %17 = icmp slt i32 %16, %2
  %18 = zext i1 %17 to i32
  %spec.select = add nsw i32 %.01722, %18
  %19 = add i32 %15, %spec.select
  %20 = icmp eq i32 %19, %2
  br i1 %20, label %21, label %29

21:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #3
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  %23 = load i32, ptr %22, align 4, !tbaa !5
  store i32 %23, ptr %5, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @v, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %24 unwind label %27

24:                                               ; preds = %21
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  %25 = add nsw i32 %.01821, 1
  %26 = add nsw i32 %spec.select, 1
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  br label %29

27:                                               ; preds = %21
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  br label %31

29:                                               ; preds = %24, %14
  %.119 = phi i32 [ %25, %24 ], [ %.01821, %14 ]
  %.2 = phi i32 [ %26, %24 ], [ %spec.select, %14 ]
  %.018.neg = sub i32 0, %.119
  %30 = icmp slt i32 %.2, %1
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %29, %3
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  ret void

31:                                               ; preds = %27, %12
  %.pn = phi { ptr, i32 } [ %28, %27 ], [ %13, %12 ]
  call void @_ZNSt7__cxx1110_List_baseIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  resume { ptr, i32 } %.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

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

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

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass