; LLVM IR from xirc/cp-algorithm :: atcoder/abc134/E/main.ll (Z5solvev)

; 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::multiset" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::multiset", align 8
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr %1) #5
  call void @_ZNSt8multisetIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  store ptr @A, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %14 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #5
  %15 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %16 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #5
  %17 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  br label %18

18:                                               ; preds = %51, %0
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br i1 %19, label %21, label %20

20:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %54

21:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %23 = load i32, ptr %22, align 4, !tbaa !9
  store i32 %23, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = sub nsw i32 %24, 1
  store i32 %25, ptr %7, align 4, !tbaa !9
  %26 = invoke ptr @_ZNSt8multisetIiSt4lessIiESaIiEE11upper_boundERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %27 unwind label %39

27:                                               ; preds = %21
  %28 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %6, i32 0, i32 0
  store ptr %26, ptr %28, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %29 = call ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #5
  %30 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %10, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  %31 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br i1 %31, label %32, label %47

32:                                               ; preds = %27
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEmmEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 8 %6, i64 8, i1 false), !tbaa.struct !11
  %34 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %11, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8
  %36 = invoke ptr @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr %35)
          to label %37 unwind label %43

37:                                               ; preds = %32
  %38 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  store ptr %36, ptr %38, align 8
  br label %47

39:                                               ; preds = %21
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %8, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %53

43:                                               ; preds = %47, %32
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %8, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %9, align 4
  br label %53

47:                                               ; preds = %37, %27
  %48 = invoke ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %49 unwind label %43

49:                                               ; preds = %47
  %50 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %13, i32 0, i32 0
  store ptr %48, ptr %50, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %51

51:                                               ; preds = %49
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br label %18

53:                                               ; preds = %43, %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @_ZNSt8multisetIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %1) #5
  br label %57

54:                                               ; preds = %20
  %55 = call noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #5
  %56 = trunc i64 %55 to i32
  call void @_ZNSt8multisetIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %1) #5
  ret i32 %56

57:                                               ; preds = %53
  %58 = load ptr, ptr %8, align 8
  %59 = load i32, ptr %9, align 4
  %60 = insertvalue { ptr, i32 } poison, ptr %58, 0
  %61 = insertvalue { ptr, i32 } %60, i32 %59, 1
  resume { ptr, i32 } %61
}

; 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 @_ZNSt8multisetIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE11upper_boundERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEmmEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48), ptr) #0 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) #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8multisetIiSt4lessIiESaIiEED2Ev(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 = { inlinehint 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"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 = !{i64 0, i64 8, !5}


; 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::multiset" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::multiset", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #4
  call void @_ZNSt8multisetIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %8 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #4
  store ptr %8, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %9 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #4
  store ptr %9, ptr %3, align 8
  %10 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %29, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %11 = call noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #4
  %12 = trunc i64 %11 to i32
  call void @_ZNSt8multisetIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #4
  ret i32 %12

.lr.ph:                                           ; preds = %0, %29
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %13 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %14 = load i32, ptr %13, align 4, !tbaa !5
  store i32 %14, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %15 = add nsw i32 %14, -1
  store i32 %15, ptr %6, align 4, !tbaa !5
  %16 = invoke ptr @_ZNSt8multisetIiSt4lessIiESaIiEE11upper_boundERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %17 unwind label %23

17:                                               ; preds = %.lr.ph
  store ptr %16, ptr %5, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %18 = call ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %1) #4
  store ptr %18, ptr %7, align 8
  %19 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br i1 %19, label %20, label %27

20:                                               ; preds = %17
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEmmEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %.sroa.02.0.copyload = load ptr, ptr %5, align 8, !tbaa !9
  %22 = invoke ptr @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr %.sroa.02.0.copyload)
          to label %27 unwind label %25

23:                                               ; preds = %.lr.ph
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  br label %32

25:                                               ; preds = %27, %20
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %32

27:                                               ; preds = %20, %17
  %28 = invoke ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %29 unwind label %25

29:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %31 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %31, label %.lr.ph, label %._crit_edge

32:                                               ; preds = %25, %23
  %.pn = phi { ptr, i32 } [ %26, %25 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @_ZNSt8multisetIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #4
  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 @_ZNSt8multisetIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE11upper_boundERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt8multisetIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEmmEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt8multisetIiSt4lessIiESaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8multisetIiSt4lessIiESaIiEED2Ev(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 = { inlinehint 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 #4 = { nounwind }

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

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


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