; LLVM IR from Tunghohin/Competitive_Coding :: Daimayuan (637)

; 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" }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@qs = external dso_local global i32, align 4
@a = external dso_local global [510 x [510 x i64]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z6modifyiix(i32 noundef, i32 noundef, i64 noundef) #0

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

; 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 i64 @_Z5queryii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %11 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %12 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %14
  %16 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  %17 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) @m)
  %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) @qs)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 1, ptr %2, align 4, !tbaa !8
  br label %25

25:                                               ; preds = %57, %0
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = load i32, ptr @n, align 4, !tbaa !8
  %28 = icmp sle i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %60

30:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 1, ptr %4, align 4, !tbaa !8
  br label %31

31:                                               ; preds = %53, %30
  %32 = load i32, ptr %4, align 4, !tbaa !8
  %33 = load i32, ptr @m, align 4, !tbaa !8
  %34 = icmp sle i32 %32, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %31
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %56

36:                                               ; preds = %31
  %37 = load i32, ptr %2, align 4, !tbaa !8
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %38
  %40 = load i32, ptr %4, align 4, !tbaa !8
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [510 x i64], ptr %39, i64 0, i64 %41
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %42)
  %44 = load i32, ptr %2, align 4, !tbaa !8
  %45 = load i32, ptr %4, align 4, !tbaa !8
  %46 = load i32, ptr %2, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %47
  %49 = load i32, ptr %4, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [510 x i64], ptr %48, i64 0, i64 %50
  %52 = load i64, ptr %51, align 8, !tbaa !11
  call void @_Z6modifyiix(i32 noundef %44, i32 noundef %45, i64 noundef %52)
  br label %53

53:                                               ; preds = %36
  %54 = load i32, ptr %4, align 4, !tbaa !8
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %4, align 4, !tbaa !8
  br label %31, !llvm.loop !13

56:                                               ; preds = %35
  br label %57

57:                                               ; preds = %56
  %58 = load i32, ptr %2, align 4, !tbaa !8
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %2, align 4, !tbaa !8
  br label %25, !llvm.loop !15

60:                                               ; preds = %29
  br label %61

61:                                               ; preds = %99, %60
  %62 = load i32, ptr @qs, align 4, !tbaa !8
  %63 = add nsw i32 %62, -1
  store i32 %63, ptr @qs, align 4, !tbaa !8
  %64 = icmp ne i32 %62, 0
  br i1 %64, label %65, label %100

65:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %66 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %67 = load i32, ptr %5, align 4, !tbaa !8
  %68 = icmp eq i32 %67, 1
  br i1 %68, label %69, label %91

69:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %70 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %71 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %70, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %72 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %71, ptr noundef nonnull align 8 dereferenceable(8) %8)
  %73 = load i32, ptr %6, align 4, !tbaa !8
  %74 = load i32, ptr %7, align 4, !tbaa !8
  %75 = load i64, ptr %8, align 8, !tbaa !11
  %76 = load i32, ptr %6, align 4, !tbaa !8
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %77
  %79 = load i32, ptr %7, align 4, !tbaa !8
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [510 x i64], ptr %78, i64 0, i64 %80
  %82 = load i64, ptr %81, align 8, !tbaa !11
  %83 = sub nsw i64 %75, %82
  call void @_Z6modifyiix(i32 noundef %73, i32 noundef %74, i64 noundef %83)
  %84 = load i64, ptr %8, align 8, !tbaa !11
  %85 = load i32, ptr %6, align 4, !tbaa !8
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %86
  %88 = load i32, ptr %7, align 4, !tbaa !8
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [510 x i64], ptr %87, i64 0, i64 %89
  store i64 %84, ptr %90, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %99

91:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %92 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %93 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %92, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %94 = load i32, ptr %9, align 4, !tbaa !8
  %95 = load i32, ptr %10, align 4, !tbaa !8
  %96 = call noundef i64 @_Z5queryii(i32 noundef %94, i32 noundef %95)
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %96)
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %97, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %99

99:                                               ; preds = %91, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %61, !llvm.loop !16

100:                                              ; preds = %61
  %101 = load i32, ptr %1, align 4
  ret i32 %101
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 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)) #3

; 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: 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 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 = { 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}
!16 = distinct !{!16, !14}


; 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" }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@qs = external dso_local global i32, align 4
@a = external dso_local global [510 x [510 x i64]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z6modifyiix(i32 noundef, i32 noundef, i64 noundef) local_unnamed_addr #0

; 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 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 i64 @_Z5queryii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  %13 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %15
  %17 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %19 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) @m)
  %20 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) @qs)
  %21 = load i32, ptr @n, align 4, !tbaa !8
  %.not17 = icmp slt i32 %21, 1
  %22 = load i32, ptr @m, align 4
  %23 = icmp slt i32 %22, 1
  %or.cond = select i1 %.not17, i1 true, i1 %23
  br i1 %or.cond, label %.preheader, label %.preheader14

.preheader14:                                     ; preds = %0, %._crit_edge
  %24 = phi i32 [ %29, %._crit_edge ], [ %21, %0 ]
  %25 = phi i32 [ %30, %._crit_edge ], [ %22, %0 ]
  %indvars.iv24 = phi i64 [ %indvars.iv.next25, %._crit_edge ], [ 1, %0 ]
  %.not1315 = icmp slt i32 %25, 1
  br i1 %.not1315, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader14
  %26 = trunc nuw nsw i64 %indvars.iv24 to i32
  br label %32

.preheader:                                       ; preds = %._crit_edge, %0
  %27 = load i32, ptr @qs, align 4, !tbaa !8
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr @qs, align 4, !tbaa !8
  %.not1219 = icmp eq i32 %27, 0
  br i1 %.not1219, label %._crit_edge21, label %.lr.ph20

._crit_edge.loopexit:                             ; preds = %32
  %.pre = load i32, ptr @n, align 4, !tbaa !8
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader14
  %29 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %24, %.preheader14 ]
  %30 = phi i32 [ %37, %._crit_edge.loopexit ], [ %25, %.preheader14 ]
  %indvars.iv.next25 = add nuw nsw i64 %indvars.iv24, 1
  %31 = sext i32 %29 to i64
  %.not.not = icmp slt i64 %indvars.iv24, %31
  br i1 %.not.not, label %.preheader14, label %.preheader, !llvm.loop !11

32:                                               ; preds = %.lr.ph, %32
  %indvars.iv = phi i64 [ 1, %.lr.ph ], [ %indvars.iv.next, %32 ]
  %33 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %indvars.iv24, i64 %indvars.iv
  %34 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %33)
  %35 = load i64, ptr %33, align 8, !tbaa !14
  %36 = trunc nuw nsw i64 %indvars.iv to i32
  tail call void @_Z6modifyiix(i32 noundef %26, i32 noundef %36, i64 noundef %35)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %37 = load i32, ptr @m, align 4, !tbaa !8
  %38 = sext i32 %37 to i64
  %.not13.not = icmp slt i64 %indvars.iv, %38
  br i1 %.not13.not, label %32, label %._crit_edge.loopexit, !llvm.loop !16

.lr.ph20:                                         ; preds = %.preheader, %68
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %39 = 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)
  %40 = load i32, ptr %1, align 4, !tbaa !8
  %41 = icmp eq i32 %40, 1
  br i1 %41, label %42, label %60

42:                                               ; preds = %.lr.ph20
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %43 = 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)
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %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) %4)
  %46 = load i32, ptr %2, align 4, !tbaa !8
  %47 = load i32, ptr %3, align 4, !tbaa !8
  %48 = load i64, ptr %4, align 8, !tbaa !14
  %49 = sext i32 %46 to i64
  %50 = sext i32 %47 to i64
  %51 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %49, i64 %50
  %52 = load i64, ptr %51, align 8, !tbaa !14
  %53 = sub nsw i64 %48, %52
  call void @_Z6modifyiix(i32 noundef %46, i32 noundef %47, i64 noundef %53)
  %54 = load i64, ptr %4, align 8, !tbaa !14
  %55 = load i32, ptr %2, align 4, !tbaa !8
  %56 = sext i32 %55 to i64
  %57 = load i32, ptr %3, align 4, !tbaa !8
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [510 x [510 x i64]], ptr @a, i64 0, i64 %56, i64 %58
  store i64 %54, ptr %59, align 8, !tbaa !14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  br label %68

60:                                               ; preds = %.lr.ph20
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %61 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %62 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %61, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %63 = load i32, ptr %5, align 4, !tbaa !8
  %64 = load i32, ptr %6, align 4, !tbaa !8
  %65 = call noundef i64 @_Z5queryii(i32 noundef %63, i32 noundef %64)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %65)
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %66, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %68

68:                                               ; preds = %60, %42
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %69 = load i32, ptr @qs, align 4, !tbaa !8
  %70 = add nsw i32 %69, -1
  store i32 %70, ptr @qs, align 4, !tbaa !8
  %.not12 = icmp eq i32 %69, 0
  br i1 %.not12, label %._crit_edge21, label %.lr.ph20, !llvm.loop !17

._crit_edge21:                                    ; preds = %68, %.preheader
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 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 #3

; 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: 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 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 = { 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 = distinct !{!11, !12, !13}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!"llvm.loop.unswitch.partial.disable"}
!14 = !{!15, !15, i64 0}
!15 = !{!"long long", !10, i64 0}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass