; LLVM IR from xirc/cp-algorithm :: aoj/DSL/DSL2B (main_bit)

; 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_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%class.BinaryIndexedTree = type { i64, %"class.std::vector", i64, %"class.std::function", %"class.std::function" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"struct.std::plus" = type { i8 }
%"struct.std::minus" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %class.BinaryIndexedTree, align 8
  %5 = alloca %"class.std::function", align 8
  %6 = alloca %"struct.std::plus", align 1
  %7 = alloca %"class.std::function", align 8
  %8 = alloca %"struct.std::minus", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %24
  %26 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %25, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 104, ptr %4) #7
  %29 = load i32, ptr %2, align 4, !tbaa !8
  %30 = sext i32 %29 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #7
  call void @_ZNSt8functionIFxRKxS1_EEC2ISt4plusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #7
  call void @_ZNSt8functionIFxRKxS1_EEC2ISt5minusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  invoke void @_ZN17BinaryIndexedTreeIxEC2EmxSt8functionIFxRKxS3_EES5_(ptr noundef nonnull align 8 dereferenceable(104) %4, i64 noundef %30, i64 noundef 0, ptr noundef %5, ptr noundef %7)
          to label %31 unwind label %37

31:                                               ; preds = %0
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #7
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !8
  br label %32

32:                                               ; preds = %88, %31
  %33 = load i32, ptr %11, align 4, !tbaa !8
  %34 = load i32, ptr %3, align 4, !tbaa !8
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %41, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %92

37:                                               ; preds = %0
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %9, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %10, align 4
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #7
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #7
  br label %94

41:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %43 unwind label %58

43:                                               ; preds = %41
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %45 unwind label %58

45:                                               ; preds = %43
  %46 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %47 unwind label %58

47:                                               ; preds = %45
  %48 = load i32, ptr %12, align 4, !tbaa !8
  %49 = icmp eq i32 %48, 0
  br i1 %49, label %50, label %66

50:                                               ; preds = %47
  %51 = load i32, ptr %13, align 4, !tbaa !8
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %13, align 4, !tbaa !8
  %53 = load i32, ptr %13, align 4, !tbaa !8
  %54 = sext i32 %53 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %55 = load i32, ptr %14, align 4, !tbaa !8
  %56 = sext i32 %55 to i64
  store i64 %56, ptr %15, align 8, !tbaa !11
  invoke void @_ZN17BinaryIndexedTreeIxE7combineEmRKx(ptr noundef nonnull align 8 dereferenceable(104) %4, i64 noundef %54, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %57 unwind label %62

57:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %87

58:                                               ; preds = %85, %82, %80, %69, %45, %43, %41
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %9, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %10, align 4
  br label %91

62:                                               ; preds = %50
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %9, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %91

66:                                               ; preds = %47
  %67 = load i32, ptr %12, align 4, !tbaa !8
  %68 = icmp eq i32 %67, 1
  br i1 %68, label %69, label %85

69:                                               ; preds = %66
  %70 = load i32, ptr %13, align 4, !tbaa !8
  %71 = add nsw i32 %70, -1
  store i32 %71, ptr %13, align 4, !tbaa !8
  %72 = load i32, ptr %14, align 4, !tbaa !8
  %73 = add nsw i32 %72, -1
  store i32 %73, ptr %14, align 4, !tbaa !8
  %74 = load i32, ptr %13, align 4, !tbaa !8
  %75 = sext i32 %74 to i64
  %76 = load i32, ptr %14, align 4, !tbaa !8
  %77 = add nsw i32 %76, 1
  %78 = sext i32 %77 to i64
  %79 = invoke noundef i64 @_ZNK17BinaryIndexedTreeIxE4foldEmm(ptr noundef nonnull align 8 dereferenceable(104) %4, i64 noundef %75, i64 noundef %78)
          to label %80 unwind label %58

80:                                               ; preds = %69
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %79)
          to label %82 unwind label %58

82:                                               ; preds = %80
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %84 unwind label %58

84:                                               ; preds = %82
  br label %86

85:                                               ; preds = %66
  invoke void @__cxa_rethrow() #8
          to label %100 unwind label %58

86:                                               ; preds = %84
  br label %87

87:                                               ; preds = %86, %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %11, align 4, !tbaa !8
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %11, align 4, !tbaa !8
  br label %32, !llvm.loop !13

91:                                               ; preds = %62, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @_ZN17BinaryIndexedTreeIxED2Ev(ptr noundef nonnull align 8 dereferenceable(104) %4) #7
  br label %94

92:                                               ; preds = %36
  store i32 0, ptr %1, align 4
  call void @_ZN17BinaryIndexedTreeIxED2Ev(ptr noundef nonnull align 8 dereferenceable(104) %4) #7
  call void @llvm.lifetime.end.p0(i64 104, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %93 = load i32, ptr %1, align 4
  ret i32 %93

94:                                               ; preds = %91, %37
  call void @llvm.lifetime.end.p0(i64 104, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %95

95:                                               ; preds = %94
  %96 = load ptr, ptr %9, align 8
  %97 = load i32, ptr %10, align 4
  %98 = insertvalue { ptr, i32 } poison, ptr %96, 0
  %99 = insertvalue { ptr, i32 } %98, i32 %97, 1
  resume { ptr, i32 } %99

100:                                              ; preds = %85
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8functionIFxRKxS1_EEC2ISt4plusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8functionIFxRKxS1_EEC2ISt5minusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17BinaryIndexedTreeIxEC2EmxSt8functionIFxRKxS3_EES5_(ptr noundef nonnull align 8 dereferenceable(104), i64 noundef, i64 noundef, ptr noundef, ptr noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17BinaryIndexedTreeIxE7combineEmRKx(ptr noundef nonnull align 8 dereferenceable(104), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNK17BinaryIndexedTreeIxE4foldEmm(ptr noundef nonnull align 8 dereferenceable(104), i64 noundef, i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #5

declare void @__cxa_rethrow()

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN17BinaryIndexedTreeIxED2Ev(ptr noundef nonnull align 8 dereferenceable(104)) unnamed_addr #6 align 2

attributes #0 = { 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 #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { noreturn }

!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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%class.BinaryIndexedTree = type { i64, %"class.std::vector", i64, %"class.std::function", %"class.std::function" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"struct.std::plus" = type { i8 }
%"struct.std::minus" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %class.BinaryIndexedTree, align 8
  %4 = alloca %"class.std::function", align 8
  %5 = alloca %"struct.std::plus", align 1
  %6 = alloca %"class.std::function", align 8
  %7 = alloca %"struct.std::minus", align 1
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %20
  %22 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 104, ptr nonnull %3) #7
  %25 = load i32, ptr %1, align 4, !tbaa !8
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSt8functionIFxRKxS1_EEC2ISt4plusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSt8functionIFxRKxS1_EEC2ISt5minusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZN17BinaryIndexedTreeIxEC2EmxSt8functionIFxRKxS3_EES5_(ptr noundef nonnull align 8 dereferenceable(104) %3, i64 noundef %26, i64 noundef 0, ptr noundef nonnull %4, ptr noundef nonnull %6)
          to label %27 unwind label %30

27:                                               ; preds = %0
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = icmp sgt i32 %28, 0
  br i1 %29, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %61, %27
  call void @_ZN17BinaryIndexedTreeIxED2Ev(ptr noundef nonnull align 8 dereferenceable(104) %3) #7
  call void @llvm.lifetime.end.p0(i64 104, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %66

.lr.ph:                                           ; preds = %27, %61
  %.010 = phi i32 [ %62, %61 ], [ 0, %27 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #7
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %33 unwind label %.loopexit

33:                                               ; preds = %.lr.ph
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %35 unwind label %.loopexit

35:                                               ; preds = %33
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %34, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %37 unwind label %.loopexit

37:                                               ; preds = %35
  %38 = load i32, ptr %8, align 4, !tbaa !8
  switch i32 %38, label %60 [
    i32 0, label %39
    i32 1, label %48
  ]

39:                                               ; preds = %37
  %40 = load i32, ptr %9, align 4, !tbaa !8
  %41 = add nsw i32 %40, -1
  store i32 %41, ptr %9, align 4, !tbaa !8
  %42 = sext i32 %41 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %43 = load i32, ptr %10, align 4, !tbaa !8
  %44 = sext i32 %43 to i64
  store i64 %44, ptr %11, align 8, !tbaa !11
  invoke void @_ZN17BinaryIndexedTreeIxE7combineEmRKx(ptr noundef nonnull align 8 dereferenceable(104) %3, i64 noundef %42, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %45 unwind label %46

45:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  br label %61

.loopexit:                                        ; preds = %.lr.ph, %33, %35, %48, %56, %58
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %65

.loopexit.split-lp:                               ; preds = %60
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %65

46:                                               ; preds = %39
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  br label %65

48:                                               ; preds = %37
  %49 = load i32, ptr %9, align 4, !tbaa !8
  %50 = add nsw i32 %49, -1
  store i32 %50, ptr %9, align 4, !tbaa !8
  %51 = load i32, ptr %10, align 4, !tbaa !8
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %10, align 4, !tbaa !8
  %53 = sext i32 %50 to i64
  %54 = sext i32 %51 to i64
  %55 = invoke noundef i64 @_ZNK17BinaryIndexedTreeIxE4foldEmm(ptr noundef nonnull align 8 dereferenceable(104) %3, i64 noundef %53, i64 noundef %54)
          to label %56 unwind label %.loopexit

56:                                               ; preds = %48
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %55)
          to label %58 unwind label %.loopexit

58:                                               ; preds = %56
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %61 unwind label %.loopexit

60:                                               ; preds = %37
  invoke void @__cxa_rethrow() #8
          to label %67 unwind label %.loopexit.split-lp

61:                                               ; preds = %58, %45
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %62 = add nuw nsw i32 %.010, 1
  %63 = load i32, ptr %2, align 4, !tbaa !8
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %.lr.ph, label %._crit_edge, !llvm.loop !13

65:                                               ; preds = %.loopexit, %.loopexit.split-lp, %46
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @_ZN17BinaryIndexedTreeIxED2Ev(ptr noundef nonnull align 8 dereferenceable(104) %3) #7
  br label %66

66:                                               ; preds = %65, %30
  %.pn.pn = phi { ptr, i32 } [ %.pn, %65 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 104, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn

67:                                               ; preds = %60
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8functionIFxRKxS1_EEC2ISt4plusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8functionIFxRKxS1_EEC2ISt5minusIxEvEEOT_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17BinaryIndexedTreeIxEC2EmxSt8functionIFxRKxS3_EES5_(ptr noundef nonnull align 8 dereferenceable(104), i64 noundef, i64 noundef, ptr noundef, ptr noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN17BinaryIndexedTreeIxE7combineEmRKx(ptr noundef nonnull align 8 dereferenceable(104), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNK17BinaryIndexedTreeIxE4foldEmm(ptr noundef nonnull align 8 dereferenceable(104), i64 noundef, i64 noundef) local_unnamed_addr #4 align 2

; 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 #4 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)) #5

declare void @__cxa_rethrow() local_unnamed_addr

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN17BinaryIndexedTreeIxED2Ev(ptr noundef nonnull align 8 dereferenceable(104)) unnamed_addr #6 align 2

attributes #0 = { 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 #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { noreturn }

!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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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