; LLVM IR from DionysiosB/CodeForces :: 0700-0799/776C-MollysChemicals.ll (Z9countSumsRKSt6vectorIlSaIlEEl)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z9countSumsRKSt6vectorIlSaIlEEl(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::map", align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #3
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  %13 = sub i64 %12, 1
  store i64 %13, ptr %7, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %59, %2
  %15 = load i64, ptr %7, align 8, !tbaa !9
  %16 = icmp sge i64 %15, 0
  br i1 %16, label %18, label %17

17:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %62

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = load i64, ptr %7, align 8, !tbaa !9
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %20) #3
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = load i64, ptr %4, align 8, !tbaa !9
  %24 = add nsw i64 %22, %23
  store i64 %24, ptr %8, align 8, !tbaa !9
  %25 = invoke noundef i64 @_ZNKSt3mapIllSt4lessIlESaISt4pairIKllEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %26 unwind label %34

26:                                               ; preds = %18
  %27 = icmp ugt i64 %25, 0
  br i1 %27, label %28, label %38

28:                                               ; preds = %26
  %29 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %30 unwind label %34

30:                                               ; preds = %28
  %31 = load i64, ptr %29, align 8, !tbaa !9
  %32 = load i64, ptr %5, align 8, !tbaa !9
  %33 = add nsw i64 %32, %31
  store i64 %33, ptr %5, align 8, !tbaa !9
  br label %38

34:                                               ; preds = %51, %45, %38, %28, %18
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %9, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %64

38:                                               ; preds = %30, %26
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = load i64, ptr %7, align 8, !tbaa !9
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %39, i64 noundef %40) #3
  %42 = invoke noundef i64 @_ZNKSt3mapIllSt4lessIlESaISt4pairIKllEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %41)
          to label %43 unwind label %34

43:                                               ; preds = %38
  %44 = icmp ule i64 %42, 0
  br i1 %44, label %45, label %51

45:                                               ; preds = %43
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = load i64, ptr %7, align 8, !tbaa !9
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %46, i64 noundef %47) #3
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %48)
          to label %50 unwind label %34

50:                                               ; preds = %45
  store i64 0, ptr %49, align 8, !tbaa !9
  br label %51

51:                                               ; preds = %50, %43
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = load i64, ptr %7, align 8, !tbaa !9
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef %53) #3
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %54)
          to label %56 unwind label %34

56:                                               ; preds = %51
  %57 = load i64, ptr %55, align 8, !tbaa !9
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %55, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %59

59:                                               ; preds = %56
  %60 = load i64, ptr %7, align 8, !tbaa !9
  %61 = add nsw i64 %60, -1
  store i64 %61, ptr %7, align 8, !tbaa !9
  br label %14, !llvm.loop !11

62:                                               ; preds = %17
  %63 = load i64, ptr %5, align 8, !tbaa !9
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret i64 %63

64:                                               ; preds = %34
  %65 = load ptr, ptr %9, align 8
  %66 = load i32, ptr %10, align 4
  %67 = insertvalue { ptr, i32 } poison, ptr %65, 0
  %68 = insertvalue { ptr, i32 } %67, i32 %66, 1
  resume { ptr, i32 } %68
}

; 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 @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIllSt4lessIlESaISt4pairIKllEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #0 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 @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 = !{!"long", !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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z9countSumsRKSt6vectorIlSaIlEEl(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::map", align 8
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #3
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  %5 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %.01517 = add i64 %5, -1
  %6 = icmp sgt i64 %.01517, -1
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %31, %2
  %.0.lcssa = phi i64 [ 0, %2 ], [ %.1, %31 ]
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #3
  ret i64 %.0.lcssa

.lr.ph:                                           ; preds = %2, %31
  %.01519 = phi i64 [ %.015, %31 ], [ %.01517, %2 ]
  %.018 = phi i64 [ %.1, %31 ], [ 0, %2 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01519) #3
  %8 = load i64, ptr %7, align 8, !tbaa !5
  %9 = add nsw i64 %8, %1
  store i64 %9, ptr %4, align 8, !tbaa !5
  %10 = invoke noundef i64 @_ZNKSt3mapIllSt4lessIlESaISt4pairIKllEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %11 unwind label %17

11:                                               ; preds = %.lr.ph
  %.not = icmp eq i64 %10, 0
  br i1 %.not, label %19, label %12

12:                                               ; preds = %11
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %14 unwind label %17

14:                                               ; preds = %12
  %15 = load i64, ptr %13, align 8, !tbaa !5
  %16 = add nsw i64 %15, %.018
  br label %19

17:                                               ; preds = %28, %24, %19, %12, %.lr.ph
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #3
  resume { ptr, i32 } %18

19:                                               ; preds = %14, %11
  %.1 = phi i64 [ %16, %14 ], [ %.018, %11 ]
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01519) #3
  %21 = invoke noundef i64 @_ZNKSt3mapIllSt4lessIlESaISt4pairIKllEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %20)
          to label %22 unwind label %17

22:                                               ; preds = %19
  %23 = icmp eq i64 %21, 0
  br i1 %23, label %24, label %28

24:                                               ; preds = %22
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01519) #3
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %25)
          to label %27 unwind label %17

27:                                               ; preds = %24
  store i64 0, ptr %26, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %27, %22
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01519) #3
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %29)
          to label %31 unwind label %17

31:                                               ; preds = %28
  %32 = load i64, ptr %30, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %30, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %.015 = add nsw i64 %.01519, -1
  %34 = icmp sgt i64 %.01519, 0
  br i1 %34, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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 @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIllSt4lessIlESaISt4pairIKllEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 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 @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 = !{!"long", !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,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass