; LLVM IR from kazunetakahashi/atcoder :: 201411_201509/1224_codethanks_A (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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.5" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Tuple_impl.1", %"struct.std::_Head_base.4" }
%"struct.std::_Tuple_impl.1" = type { %"struct.std::_Tuple_impl.2", %"struct.std::_Head_base.3" }
%"struct.std::_Tuple_impl.2" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.3" = type { i32 }
%"struct.std::_Head_base.4" = type { i32 }
%"struct.std::_Head_base.5" = type { i32 }
%"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" }

@R = external dso_local global i32, align 4
@C = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@X = external dso_local global [60 x [60 x i32]], align 16
@Rect = external dso_local global [5010 x %"class.std::tuple"], 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 noundef i32 @_Z11count_southSt5tupleIJiiiiEE(ptr 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 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 %"class.std::tuple", align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::tuple", align 4
  store i32 0, ptr %1, align 4
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @R)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) @C)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %13, 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
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @X, ptr noundef getelementptr inbounds (i32, ptr @X, i64 3600), ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %65, %0
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = load i32, ptr @N, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %68

20:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %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) %6)
  %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) %7)
  %25 = load i32, ptr %4, align 4, !tbaa !5
  %26 = add nsw i32 %25, -1
  store i32 %26, ptr %4, align 4, !tbaa !5
  %27 = load i32, ptr %6, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #7
  call void @_ZSt10make_tupleIJRiS0_S0_S0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind writable sret(%"class.std::tuple") align 4 %8, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [5010 x %"class.std::tuple"], ptr @Rect, i64 0, i64 %30
  %32 = call noundef nonnull align 4 dereferenceable(16) ptr @_ZNSt5tupleIJiiiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(16) %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #7
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %34
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [60 x i32], ptr %35, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %38, align 4, !tbaa !5
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %42
  %44 = load i32, ptr %7, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [60 x i32], ptr %43, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = add nsw i32 %47, -1
  store i32 %48, ptr %46, align 4, !tbaa !5
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %50
  %52 = load i32, ptr %6, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds [60 x i32], ptr %51, i64 0, i64 %53
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = add nsw i32 %55, -1
  store i32 %56, ptr %54, align 4, !tbaa !5
  %57 = load i32, ptr %5, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %58
  %60 = load i32, ptr %7, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [60 x i32], ptr %59, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %62, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %65

65:                                               ; preds = %20
  %66 = load i32, ptr %3, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %3, align 4, !tbaa !5
  br label %15, !llvm.loop !9

68:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %69

69:                                               ; preds = %87, %68
  %70 = load i32, ptr %9, align 4, !tbaa !5
  %71 = load i32, ptr @N, align 4, !tbaa !5
  %72 = icmp slt i32 %70, %71
  br i1 %72, label %74, label %73

73:                                               ; preds = %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %90

74:                                               ; preds = %69
  %75 = load i32, ptr @M, align 4, !tbaa !5
  %76 = load i32, ptr %9, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [5010 x %"class.std::tuple"], ptr @Rect, i64 0, i64 %77
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 16 %78, i64 16, i1 false)
  %79 = call noundef i32 @_Z11count_southSt5tupleIJiiiiEE(ptr noundef %10)
  %80 = icmp eq i32 %75, %79
  br i1 %80, label %81, label %86

81:                                               ; preds = %74
  %82 = load i32, ptr %9, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %83)
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %86

86:                                               ; preds = %81, %74
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %9, align 4, !tbaa !5
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %9, align 4, !tbaa !5
  br label %69, !llvm.loop !11

90:                                               ; preds = %73
  %91 = load i32, ptr %1, align 4
  ret i32 %91
}

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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt10make_tupleIJRiS0_S0_S0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 4, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(16) ptr @_ZNSt5tupleIJiiiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6 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)) #4

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 = { 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 #5 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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}


; 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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.5" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Tuple_impl.1", %"struct.std::_Head_base.4" }
%"struct.std::_Tuple_impl.1" = type { %"struct.std::_Tuple_impl.2", %"struct.std::_Head_base.3" }
%"struct.std::_Tuple_impl.2" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.3" = type { i32 }
%"struct.std::_Head_base.4" = type { i32 }
%"struct.std::_Head_base.5" = type { i32 }
%"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" }

@R = external dso_local global i32, align 4
@C = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@X = external dso_local global [60 x [60 x i32]], align 16
@Rect = external dso_local global [5010 x %"class.std::tuple"], 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 noundef i32 @_Z11count_southSt5tupleIJiiiiEE(ptr 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 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 i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::tuple", align 4
  %7 = alloca %"class.std::tuple", align 4
  %8 = 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) @R)
  %9 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 4 dereferenceable(4) @C)
  %10 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %11 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @X, ptr noundef nonnull getelementptr inbounds (i8, ptr @X, i64 14400), ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  %12 = load i32, ptr @N, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %14 = icmp sgt i32 %45, 0
  br i1 %14, label %.lr.ph11, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %15 = 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)
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = add nsw i32 %19, -1
  store i32 %20, ptr %2, align 4, !tbaa !5
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #7
  call void @_ZSt10make_tupleIJRiS0_S0_S0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple") align 4 %6, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %23 = getelementptr inbounds [5010 x %"class.std::tuple"], ptr @Rect, i64 0, i64 %indvars.iv
  %24 = call noundef nonnull align 4 dereferenceable(16) ptr @_ZNSt5tupleIJiiiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(16) %6) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #7
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %26, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %29, align 4, !tbaa !5
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %26, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = add nsw i32 %35, -1
  store i32 %36, ptr %34, align 4, !tbaa !5
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %38, i64 %28
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = add nsw i32 %40, -1
  store i32 %41, ptr %39, align 4, !tbaa !5
  %42 = getelementptr inbounds [60 x [60 x i32]], ptr @X, i64 0, i64 %38, i64 %33
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %42, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %45 = load i32, ptr @N, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = icmp slt i64 %indvars.iv.next, %46
  br i1 %47, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph11._crit_edge, %0, %.preheader
  ret i32 0

.lr.ph11:                                         ; preds = %.preheader, %.lr.ph11._crit_edge
  %indvars.iv13 = phi i64 [ %52, %.lr.ph11._crit_edge ], [ 0, %.preheader ]
  %48 = load i32, ptr @M, align 4, !tbaa !5
  %49 = getelementptr inbounds [5010 x %"class.std::tuple"], ptr @Rect, i64 0, i64 %indvars.iv13
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %7, ptr noundef nonnull align 16 dereferenceable(16) %49, i64 16, i1 false)
  %50 = call noundef i32 @_Z11count_southSt5tupleIJiiiiEE(ptr noundef nonnull %7)
  %51 = icmp eq i32 %48, %50
  %52 = add nuw nsw i64 %indvars.iv13, 1
  br i1 %51, label %53, label %.lr.ph11._crit_edge

53:                                               ; preds = %.lr.ph11
  %54 = trunc nuw nsw i64 %52 to i32
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %54)
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %.lr.ph11._crit_edge

.lr.ph11._crit_edge:                              ; preds = %.lr.ph11, %53
  %57 = load i32, ptr @N, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = icmp slt i64 %52, %58
  br i1 %59, label %.lr.ph11, label %._crit_edge, !llvm.loop !11
}

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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt10make_tupleIJRiS0_S0_S0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 4, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(16) ptr @_ZNSt5tupleIJiiiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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 #6 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)) #4

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 = { 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 #5 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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}


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