; LLVM IR from kazunetakahashi/atcoder :: 2018/0701_ARC100 (E)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::tuple<int, int>, std::tuple<int, int>, std::_Identity<std::tuple<int, int>>, std::less<std::tuple<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::tuple<int, int>, std::tuple<int, int>, std::_Identity<std::tuple<int, int>>, std::less<std::tuple<int, 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.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.std::_Rb_tree_const_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@A = external dso_local global [300010 x i32], align 16
@DP = external dso_local global [300010 x i32], align 16
@DP2 = external dso_local global [300010 x i32], align 16
@S = external dso_local global [300010 x %"class.std::set"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6make_Si(i32 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 ptr @_ZNKSt3setISt5tupleIJiiEESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %7 = 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)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %19, %0
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %11 = shl i32 1, %10
  %12 = icmp slt i32 %9, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %22

14:                                               ; preds = %8
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [300010 x i32], ptr @A, i64 0, i64 %16
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %17)
  br label %19

19:                                               ; preds = %14
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %2, align 4, !tbaa !5
  br label %8, !llvm.loop !9

22:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %54, %22
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = load i32, ptr @N, align 4, !tbaa !5
  %26 = shl i32 1, %25
  %27 = icmp slt i32 %24, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %57

29:                                               ; preds = %23
  %30 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z6make_Si(i32 noundef %30)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [300010 x %"class.std::set"], ptr @S, i64 0, i64 %32
  %34 = call ptr @_ZNKSt3setISt5tupleIJiiEESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %33) #7
  %35 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %4, i32 0, i32 0
  store ptr %34, ptr %35, align 8
  %36 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiiEERKNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERKS4_(ptr noundef nonnull align 4 dereferenceable(8) %36) #7
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = sub nsw i32 0, %38
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [300010 x i32], ptr @DP2, i64 0, i64 %41
  store i32 %39, ptr %42, align 4, !tbaa !5
  %43 = call ptr @_ZNSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 0) #7
  %44 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %5, i32 0, i32 0
  store ptr %43, ptr %44, align 8
  %45 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiiEERKNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERKS4_(ptr noundef nonnull align 4 dereferenceable(8) %45) #7
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = sub nsw i32 0, %47
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [300010 x i32], ptr @DP2, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = add nsw i32 %52, %48
  store i32 %53, ptr %51, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  br label %54

54:                                               ; preds = %29
  %55 = load i32, ptr %3, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %3, align 4, !tbaa !5
  br label %23, !llvm.loop !11

57:                                               ; preds = %28
  store i32 0, ptr @DP, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %83, %57
  %59 = load i32, ptr %6, align 4, !tbaa !5
  %60 = load i32, ptr @N, align 4, !tbaa !5
  %61 = shl i32 1, %60
  %62 = icmp slt i32 %59, %61
  br i1 %62, label %64, label %63

63:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %86

64:                                               ; preds = %58
  %65 = load i32, ptr %6, align 4, !tbaa !5
  %66 = sub nsw i32 %65, 1
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [300010 x i32], ptr @DP, i64 0, i64 %67
  %69 = load i32, ptr %6, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [300010 x i32], ptr @DP2, i64 0, i64 %70
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %68, ptr noundef nonnull align 4 dereferenceable(4) %71)
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = load i32, ptr %6, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [300010 x i32], ptr @DP, i64 0, i64 %75
  store i32 %73, ptr %76, align 4, !tbaa !5
  %77 = load i32, ptr %6, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [300010 x i32], ptr @DP, i64 0, i64 %78
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %81 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %80)
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %83

83:                                               ; preds = %64
  %84 = load i32, ptr %6, align 4, !tbaa !5
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %6, align 4, !tbaa !5
  br label %58, !llvm.loop !12

86:                                               ; preds = %63
  %87 = load i32, ptr %1, align 4
  ret i32 %87
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiiEERKNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERKS4_(ptr noundef nonnull align 4 dereferenceable(8)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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)) #6

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 = { 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 #4 = { "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 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 #6 = { 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 #7 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::tuple<int, int>, std::tuple<int, int>, std::_Identity<std::tuple<int, int>>, std::less<std::tuple<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::tuple<int, int>, std::tuple<int, int>, std::_Identity<std::tuple<int, int>>, std::less<std::tuple<int, 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.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.std::_Rb_tree_const_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@A = external dso_local global [300010 x i32], align 16
@DP = external dso_local global [300010 x i32], align 16
@DP2 = external dso_local global [300010 x i32], align 16
@S = external dso_local global [300010 x %"class.std::set"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6make_Si(i32 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 ptr @_ZNKSt3setISt5tupleIJiiEESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %2 = 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)
  %3 = load i32, ptr @N, align 4, !tbaa !5
  %.not = icmp eq i32 %3, 31
  br i1 %.not, label %._crit_edge, label %.lr.ph

.preheader:                                       ; preds = %.lr.ph
  %4 = icmp eq i32 %7, 31
  br i1 %4, label %._crit_edge, label %.lr.ph20

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %5 = getelementptr inbounds [300010 x i32], ptr @A, i64 0, i64 %indvars.iv
  %6 = 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) %5)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %7 = load i32, ptr @N, align 4, !tbaa !5
  %8 = shl nuw i32 1, %7
  %9 = sext i32 %8 to i64
  %10 = icmp slt i64 %indvars.iv.next, %9
  br i1 %10, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph20, %0, %.preheader
  %11 = phi i32 [ 31, %.preheader ], [ 31, %0 ], [ %28, %.lr.ph20 ]
  store i32 0, ptr @DP, align 16, !tbaa !5
  %12 = shl nuw i32 1, %11
  %13 = icmp sgt i32 %12, 1
  br i1 %13, label %.lr.ph23, label %._crit_edge24

.lr.ph20:                                         ; preds = %.preheader, %.lr.ph20
  %indvars.iv27 = phi i64 [ %indvars.iv.next28, %.lr.ph20 ], [ 0, %.preheader ]
  %14 = trunc nuw nsw i64 %indvars.iv27 to i32
  call void @_Z6make_Si(i32 noundef %14)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %15 = getelementptr inbounds [300010 x %"class.std::set"], ptr @S, i64 0, i64 %indvars.iv27
  %16 = call ptr @_ZNKSt3setISt5tupleIJiiEESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %15) #7
  store ptr %16, ptr %1, align 8
  %17 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #7
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiiEERKNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERKS4_(ptr noundef nonnull align 4 dereferenceable(8) %17) #7
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = sub nsw i32 0, %19
  %21 = getelementptr inbounds [300010 x i32], ptr @DP2, i64 0, i64 %indvars.iv27
  store i32 %20, ptr %21, align 4, !tbaa !5
  %22 = call ptr @_ZNSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef 0) #7
  %23 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt5tupleIJiiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #7
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiiEERKNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERKS4_(ptr noundef nonnull align 4 dereferenceable(8) %23) #7
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = load i32, ptr %21, align 4, !tbaa !5
  %27 = sub i32 %26, %25
  store i32 %27, ptr %21, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  %indvars.iv.next28 = add nuw nsw i64 %indvars.iv27, 1
  %28 = load i32, ptr @N, align 4, !tbaa !5
  %29 = shl nuw i32 1, %28
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next28, %30
  br i1 %31, label %.lr.ph20, label %._crit_edge, !llvm.loop !11

._crit_edge24:                                    ; preds = %.lr.ph23, %._crit_edge
  ret i32 0

.lr.ph23:                                         ; preds = %._crit_edge, %.lr.ph23
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %.lr.ph23 ], [ 1, %._crit_edge ]
  %32 = add nsw i64 %indvars.iv30, -1
  %33 = getelementptr inbounds [300010 x i32], ptr @DP, i64 0, i64 %32
  %34 = getelementptr inbounds [300010 x i32], ptr @DP2, i64 0, i64 %indvars.iv30
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %33, ptr noundef nonnull align 4 dereferenceable(4) %34)
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = getelementptr inbounds [300010 x i32], ptr @DP, i64 0, i64 %indvars.iv30
  store i32 %36, ptr %37, align 4, !tbaa !5
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %36)
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %40 = load i32, ptr @N, align 4, !tbaa !5
  %41 = shl nuw i32 1, %40
  %42 = sext i32 %41 to i64
  %43 = icmp slt i64 %indvars.iv.next31, %42
  br i1 %43, label %.lr.ph23, label %._crit_edge24, !llvm.loop !12
}

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 #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EJiiEERKNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERKS4_(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; 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 #0 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)) #6

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 = { 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 #4 = { "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 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 #6 = { 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 #7 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


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