; LLVM IR from ShahjalalShohag/code-library :: Dynamic Programming Optimizations (Li Chao Tree)

; 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" }
%struct.LiChaoTree = type { i32, i32, ptr }
%struct.Line = type { i64, i64 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca %struct.LiChaoTree, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca %struct.Line, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca %struct.Line, align 8
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %19 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %20 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %21 = getelementptr i8, ptr %20, i64 -24
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %22
  %24 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %23, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 16, ptr %2) #6
  call void @_ZN10LiChaoTreeC2Eii(ptr noundef nonnull align 8 dereferenceable(16) %2, i32 noundef -1000000000, i32 noundef 1000000000)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !8
  br label %27

27:                                               ; preds = %51, %0
  %28 = load i32, ptr %5, align 4, !tbaa !8
  %29 = load i32, ptr %3, align 4, !tbaa !8
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %54

32:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %33, ptr noundef nonnull align 8 dereferenceable(8) %7)
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %34, ptr noundef nonnull align 8 dereferenceable(8) %8)
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %35, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %37 = load i64, ptr %7, align 8, !tbaa !11
  %38 = add nsw i64 %37, -1
  store i64 %38, ptr %7, align 8, !tbaa !11
  %39 = getelementptr inbounds %struct.Line, ptr %10, i32 0, i32 0
  %40 = load i64, ptr %8, align 8, !tbaa !11
  store i64 %40, ptr %39, align 8, !tbaa !13
  %41 = getelementptr inbounds %struct.Line, ptr %10, i32 0, i32 1
  %42 = load i64, ptr %9, align 8, !tbaa !11
  store i64 %42, ptr %41, align 8, !tbaa !15
  %43 = load i64, ptr %6, align 8, !tbaa !11
  %44 = trunc i64 %43 to i32
  %45 = load i64, ptr %7, align 8, !tbaa !11
  %46 = trunc i64 %45 to i32
  %47 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 0
  %48 = load i64, ptr %47, align 8
  %49 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 1
  %50 = load i64, ptr %49, align 8
  call void @_ZN10LiChaoTree11add_segmentE4Lineii(ptr noundef nonnull align 8 dereferenceable(16) %2, i64 %48, i64 %50, i32 noundef %44, i32 noundef %46)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %51

51:                                               ; preds = %32
  %52 = load i32, ptr %5, align 4, !tbaa !8
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %5, align 4, !tbaa !8
  br label %27, !llvm.loop !16

54:                                               ; preds = %31
  br label %55

55:                                               ; preds = %95, %54
  %56 = load i32, ptr %4, align 4, !tbaa !8
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr %4, align 4, !tbaa !8
  %58 = icmp ne i32 %56, 0
  br i1 %58, label %59, label %96

59:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %60 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %61 = load i32, ptr %11, align 4, !tbaa !8
  %62 = icmp eq i32 %61, 0
  br i1 %62, label %63, label %82

63:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %64 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %12)
  %65 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %64, ptr noundef nonnull align 8 dereferenceable(8) %13)
  %66 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %65, ptr noundef nonnull align 8 dereferenceable(8) %14)
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %66, ptr noundef nonnull align 8 dereferenceable(8) %15)
  %68 = load i64, ptr %13, align 8, !tbaa !11
  %69 = add nsw i64 %68, -1
  store i64 %69, ptr %13, align 8, !tbaa !11
  %70 = getelementptr inbounds %struct.Line, ptr %16, i32 0, i32 0
  %71 = load i64, ptr %14, align 8, !tbaa !11
  store i64 %71, ptr %70, align 8, !tbaa !13
  %72 = getelementptr inbounds %struct.Line, ptr %16, i32 0, i32 1
  %73 = load i64, ptr %15, align 8, !tbaa !11
  store i64 %73, ptr %72, align 8, !tbaa !15
  %74 = load i64, ptr %12, align 8, !tbaa !11
  %75 = trunc i64 %74 to i32
  %76 = load i64, ptr %13, align 8, !tbaa !11
  %77 = trunc i64 %76 to i32
  %78 = getelementptr inbounds { i64, i64 }, ptr %16, i32 0, i32 0
  %79 = load i64, ptr %78, align 8
  %80 = getelementptr inbounds { i64, i64 }, ptr %16, i32 0, i32 1
  %81 = load i64, ptr %80, align 8
  call void @_ZN10LiChaoTree11add_segmentE4Lineii(ptr noundef nonnull align 8 dereferenceable(16) %2, i64 %79, i64 %81, i32 noundef %75, i32 noundef %77)
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %95

82:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %83 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %17)
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %84 = load i64, ptr %17, align 8, !tbaa !11
  %85 = call noundef i64 @_ZN10LiChaoTree5queryEx(ptr noundef nonnull align 8 dereferenceable(16) %2, i64 noundef %84)
  store i64 %85, ptr %18, align 8, !tbaa !11
  %86 = load i64, ptr %18, align 8, !tbaa !11
  %87 = icmp sge i64 %86, 2000000000000000000
  br i1 %87, label %88, label %90

88:                                               ; preds = %82
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %94

90:                                               ; preds = %82
  %91 = load i64, ptr %18, align 8, !tbaa !11
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %91)
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %92, i8 noundef signext 10)
  br label %94

94:                                               ; preds = %90, %88
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %95

95:                                               ; preds = %94, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %55, !llvm.loop !18

96:                                               ; preds = %55
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %2) #6
  ret i32 0
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10LiChaoTreeC2Eii(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i32 noundef) unnamed_addr #4 align 2

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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10LiChaoTree11add_segmentE4Lineii(ptr noundef nonnull align 8 dereferenceable(16), i64, i64, i32 noundef, i32 noundef) #4 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 noundef i64 @_ZN10LiChaoTree5queryEx(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #5

; 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

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 = { 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 = !{!"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 = !{!14, !12, i64 0}
!14 = !{!"_ZTS4Line", !12, i64 0, !12, i64 8}
!15 = !{!14, !12, i64 8}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = distinct !{!18, !17}


; 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" }
%struct.LiChaoTree = type { i32, i32, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca %struct.LiChaoTree, align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %15 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %17
  %19 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %1) #6
  call void @_ZN10LiChaoTreeC2Eii(ptr noundef nonnull align 8 dereferenceable(16) %1, i32 noundef -1000000000, i32 noundef 1000000000)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  %20 = 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)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %22 = load i32, ptr %2, align 4, !tbaa !8
  %23 = icmp sgt i32 %22, 0
  br i1 %23, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %0
  %24 = load i32, ptr %3, align 4, !tbaa !8
  %25 = add nsw i32 %24, -1
  store i32 %25, ptr %3, align 4, !tbaa !8
  %.not8 = icmp eq i32 %24, 0
  br i1 %.not8, label %._crit_edge, label %.lr.ph9

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.07 = phi i32 [ %37, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 8 dereferenceable(8) %7)
  %30 = load i64, ptr %5, align 8, !tbaa !11
  %31 = add nsw i64 %30, -1
  store i64 %31, ptr %5, align 8, !tbaa !11
  %32 = load i64, ptr %6, align 8, !tbaa !11
  %33 = load i64, ptr %7, align 8, !tbaa !11
  %34 = load i64, ptr %4, align 8, !tbaa !11
  %35 = trunc i64 %34 to i32
  %36 = trunc i64 %31 to i32
  call void @_ZN10LiChaoTree11add_segmentE4Lineii(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 %32, i64 %33, i32 noundef %35, i32 noundef %36)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %37 = add nuw nsw i32 %.07, 1
  %38 = load i32, ptr %2, align 4, !tbaa !8
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %.lr.ph, label %.preheader, !llvm.loop !13

.lr.ph9:                                          ; preds = %.preheader, %66
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %41 = load i32, ptr %8, align 4, !tbaa !8
  %42 = icmp eq i32 %41, 0
  br i1 %42, label %43, label %55

43:                                               ; preds = %.lr.ph9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 8 dereferenceable(8) %10)
  %46 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %45, ptr noundef nonnull align 8 dereferenceable(8) %11)
  %47 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %46, ptr noundef nonnull align 8 dereferenceable(8) %12)
  %48 = load i64, ptr %10, align 8, !tbaa !11
  %49 = add nsw i64 %48, -1
  store i64 %49, ptr %10, align 8, !tbaa !11
  %50 = load i64, ptr %11, align 8, !tbaa !11
  %51 = load i64, ptr %12, align 8, !tbaa !11
  %52 = load i64, ptr %9, align 8, !tbaa !11
  %53 = trunc i64 %52 to i32
  %54 = trunc i64 %49 to i32
  call void @_ZN10LiChaoTree11add_segmentE4Lineii(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 %50, i64 %51, i32 noundef %53, i32 noundef %54)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  br label %66

55:                                               ; preds = %.lr.ph9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %56 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %13)
  %57 = load i64, ptr %13, align 8, !tbaa !11
  %58 = call noundef i64 @_ZN10LiChaoTree5queryEx(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 noundef %57)
  %59 = icmp sgt i64 %58, 1999999999999999999
  br i1 %59, label %60, label %62

60:                                               ; preds = %55
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  br label %65

62:                                               ; preds = %55
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %58)
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %63, i8 noundef signext 10)
  br label %65

65:                                               ; preds = %62, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  br label %66

66:                                               ; preds = %65, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  %67 = load i32, ptr %3, align 4, !tbaa !8
  %68 = add nsw i32 %67, -1
  store i32 %68, ptr %3, align 4, !tbaa !8
  %.not = icmp eq i32 %67, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph9, !llvm.loop !15

._crit_edge:                                      ; preds = %66, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %1) #6
  ret i32 0
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10LiChaoTreeC2Eii(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i32 noundef) unnamed_addr #4 align 2

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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10LiChaoTree11add_segmentE4Lineii(ptr noundef nonnull align 8 dereferenceable(16), i64, i64, i32 noundef, i32 noundef) local_unnamed_addr #4 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 noundef i64 @_ZN10LiChaoTree5queryEx(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #5

; 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

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 = { 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 = !{!"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"}
!15 = distinct !{!15, !14}


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