; LLVM IR from kazunetakahashi/atcoder :: 2019/0324_ABC122 (C)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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
@Q = external dso_local global i32, align 4
@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@l = external dso_local global [100010 x i32], align 16
@r = external dso_local global [100010 x i32], align 16
@imos = external dso_local global [2 x [100010 x i32]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %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
  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)
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @Q)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %29, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr @Q, align 4, !tbaa !5
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %32

15:                                               ; preds = %10
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [100010 x i32], ptr @l, i64 0, i64 %17
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %18)
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %21
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %22)
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [100010 x i32], ptr @l, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %26, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %15
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %2, align 4, !tbaa !5
  br label %10, !llvm.loop !9

32:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @imos, ptr noundef getelementptr inbounds (i32, ptr @imos, i64 100010), ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %68, %32
  %34 = load i32, ptr %4, align 4, !tbaa !5
  %35 = load i32, ptr @N, align 4, !tbaa !5
  %36 = sub nsw i32 %35, 1
  %37 = icmp slt i32 %34, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %71

39:                                               ; preds = %33
  %40 = load i32, ptr %4, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %41)
  %43 = load i8, ptr %42, align 1, !tbaa !11
  %44 = sext i8 %43 to i32
  %45 = icmp eq i32 %44, 65
  br i1 %45, label %46, label %67

46:                                               ; preds = %39
  %47 = load i32, ptr %4, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %49)
  %51 = load i8, ptr %50, align 1, !tbaa !11
  %52 = sext i8 %51 to i32
  %53 = icmp eq i32 %52, 67
  br i1 %53, label %54, label %67

54:                                               ; preds = %46
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %58, align 4, !tbaa !5
  %61 = load i32, ptr %4, align 4, !tbaa !5
  %62 = add nsw i32 %61, 2
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %63
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %64, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %54, %46, %39
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %4, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %4, align 4, !tbaa !5
  br label %33, !llvm.loop !12

71:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %72

72:                                               ; preds = %98, %71
  %73 = load i32, ptr %5, align 4, !tbaa !5
  %74 = load i32, ptr @N, align 4, !tbaa !5
  %75 = icmp sle i32 %73, %74
  br i1 %75, label %77, label %76

76:                                               ; preds = %72
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %101

77:                                               ; preds = %72
  %78 = load i32, ptr %5, align 4, !tbaa !5
  %79 = sub nsw i32 %78, 1
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %80
  %82 = load i32, ptr %81, align 4, !tbaa !5
  %83 = load i32, ptr %5, align 4, !tbaa !5
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %84
  %86 = load i32, ptr %85, align 4, !tbaa !5
  %87 = add nsw i32 %86, %82
  store i32 %87, ptr %85, align 4, !tbaa !5
  %88 = load i32, ptr %5, align 4, !tbaa !5
  %89 = sub nsw i32 %88, 1
  %90 = sext i32 %89 to i64
  %91 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %90
  %92 = load i32, ptr %91, align 4, !tbaa !5
  %93 = load i32, ptr %5, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %94
  %96 = load i32, ptr %95, align 4, !tbaa !5
  %97 = add nsw i32 %96, %92
  store i32 %97, ptr %95, align 4, !tbaa !5
  br label %98

98:                                               ; preds = %77
  %99 = load i32, ptr %5, align 4, !tbaa !5
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %5, align 4, !tbaa !5
  br label %72, !llvm.loop !13

101:                                              ; preds = %76
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %102

102:                                              ; preds = %162, %101
  %103 = load i32, ptr %6, align 4, !tbaa !5
  %104 = load i32, ptr @Q, align 4, !tbaa !5
  %105 = icmp slt i32 %103, %104
  br i1 %105, label %107, label %106

106:                                              ; preds = %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %165

107:                                              ; preds = %102
  %108 = load i32, ptr %6, align 4, !tbaa !5
  %109 = sext i32 %108 to i64
  %110 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %109
  %111 = load i32, ptr %110, align 4, !tbaa !5
  %112 = sext i32 %111 to i64
  %113 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %112
  %114 = load i32, ptr %113, align 4, !tbaa !5
  %115 = load i32, ptr %6, align 4, !tbaa !5
  %116 = sext i32 %115 to i64
  %117 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %116
  %118 = load i32, ptr %117, align 4, !tbaa !5
  %119 = sext i32 %118 to i64
  %120 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %119
  %121 = load i32, ptr %120, align 4, !tbaa !5
  %122 = icmp eq i32 %114, %121
  br i1 %122, label %123, label %142

123:                                              ; preds = %107
  %124 = load i32, ptr %6, align 4, !tbaa !5
  %125 = sext i32 %124 to i64
  %126 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %125
  %127 = load i32, ptr %126, align 4, !tbaa !5
  %128 = sext i32 %127 to i64
  %129 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %128
  %130 = load i32, ptr %129, align 4, !tbaa !5
  %131 = load i32, ptr %6, align 4, !tbaa !5
  %132 = sext i32 %131 to i64
  %133 = getelementptr inbounds [100010 x i32], ptr @l, i64 0, i64 %132
  %134 = load i32, ptr %133, align 4, !tbaa !5
  %135 = add nsw i32 %134, 1
  %136 = sext i32 %135 to i64
  %137 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %136
  %138 = load i32, ptr %137, align 4, !tbaa !5
  %139 = sub nsw i32 %130, %138
  %140 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %139)
  %141 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %140, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %161

142:                                              ; preds = %107
  %143 = load i32, ptr %6, align 4, !tbaa !5
  %144 = sext i32 %143 to i64
  %145 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %144
  %146 = load i32, ptr %145, align 4, !tbaa !5
  %147 = sext i32 %146 to i64
  %148 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %147
  %149 = load i32, ptr %148, align 4, !tbaa !5
  %150 = load i32, ptr %6, align 4, !tbaa !5
  %151 = sext i32 %150 to i64
  %152 = getelementptr inbounds [100010 x i32], ptr @l, i64 0, i64 %151
  %153 = load i32, ptr %152, align 4, !tbaa !5
  %154 = add nsw i32 %153, 1
  %155 = sext i32 %154 to i64
  %156 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds ([2 x [100010 x i32]], ptr @imos, i64 0, i64 1), i64 0, i64 %155
  %157 = load i32, ptr %156, align 4, !tbaa !5
  %158 = sub nsw i32 %149, %157
  %159 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %158)
  %160 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %159, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %161

161:                                              ; preds = %142, %123
  br label %162

162:                                              ; preds = %161
  %163 = load i32, ptr %6, align 4, !tbaa !5
  %164 = add nsw i32 %163, 1
  store i32 %164, ptr %6, align 4, !tbaa !5
  br label %102, !llvm.loop !14

165:                                              ; preds = %106
  %166 = load i32, ptr %1, align 4
  ret i32 %166
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #1

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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 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)) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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
@Q = external dso_local global i32, align 4
@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@l = external dso_local global [100010 x i32], align 16
@r = external dso_local global [100010 x i32], align 16
@imos = external dso_local global [2 x [100010 x i32]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %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 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) @Q)
  %4 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11)
  %5 = load i32, ptr @Q, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @imos, ptr noundef nonnull getelementptr inbounds (i8, ptr @imos, i64 400040), ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %7 = load i32, ptr @N, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 1
  br i1 %8, label %.lr.ph34, label %.preheader30

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %9 = getelementptr inbounds [100010 x i32], ptr @l, i64 0, i64 %indvars.iv
  %10 = 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) %9)
  %11 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %indvars.iv
  %12 = 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) %11)
  %13 = load i32, ptr %9, align 4, !tbaa !5
  %14 = add nsw i32 %13, -1
  store i32 %14, ptr %9, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %15 = load i32, ptr @Q, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = icmp slt i64 %indvars.iv.next, %16
  br i1 %17, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.preheader30:                                     ; preds = %.lr.ph34._crit_edge, %._crit_edge
  %.lcssa = phi i32 [ %7, %._crit_edge ], [ %36, %.lr.ph34._crit_edge ]
  %.not35 = icmp slt i32 %.lcssa, 1
  br i1 %.not35, label %.preheader, label %.lr.ph37.preheader

.lr.ph37.preheader:                               ; preds = %.preheader30
  %.pre = load i32, ptr @imos, align 16, !tbaa !5
  %.pre52 = load i32, ptr getelementptr inbounds (i8, ptr @imos, i64 400040), align 8, !tbaa !5
  %18 = zext nneg i32 %.lcssa to i64
  %xtraiter = and i64 %18, 1
  %19 = icmp eq i32 %.lcssa, 1
  br i1 %19, label %.preheader.loopexit.unr-lcssa, label %.lr.ph37.preheader.new

.lr.ph37.preheader.new:                           ; preds = %.lr.ph37.preheader
  %unroll_iter = and i64 %18, 2147483646
  br label %.lr.ph37

.lr.ph34:                                         ; preds = %._crit_edge, %.lr.ph34._crit_edge
  %indvars.iv43 = phi i64 [ %23, %.lr.ph34._crit_edge ], [ 0, %._crit_edge ]
  %20 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %indvars.iv43)
  %21 = load i8, ptr %20, align 1, !tbaa !11
  %22 = icmp eq i8 %21, 65
  %23 = add nuw nsw i64 %indvars.iv43, 1
  br i1 %22, label %24, label %.lr.ph34._crit_edge

24:                                               ; preds = %.lr.ph34
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %23)
  %26 = load i8, ptr %25, align 1, !tbaa !11
  %27 = icmp eq i8 %26, 67
  br i1 %27, label %28, label %.lr.ph34._crit_edge

28:                                               ; preds = %24
  %29 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %23
  %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 = add nuw nsw i64 %indvars.iv43, 2
  %33 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds (i8, ptr @imos, i64 400040), i64 0, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %33, align 4, !tbaa !5
  br label %.lr.ph34._crit_edge

.lr.ph34._crit_edge:                              ; preds = %.lr.ph34, %24, %28
  %36 = load i32, ptr @N, align 4, !tbaa !5
  %37 = add nsw i32 %36, -1
  %38 = sext i32 %37 to i64
  %39 = icmp slt i64 %23, %38
  br i1 %39, label %.lr.ph34, label %.preheader30, !llvm.loop !12

.preheader.loopexit.unr-lcssa:                    ; preds = %.lr.ph37, %.lr.ph37.preheader
  %.unr = phi i32 [ %.pre52, %.lr.ph37.preheader ], [ %61, %.lr.ph37 ]
  %.unr57 = phi i32 [ %.pre, %.lr.ph37.preheader ], [ %58, %.lr.ph37 ]
  %indvars.iv46.unr = phi i64 [ 1, %.lr.ph37.preheader ], [ %indvars.iv.next47.1, %.lr.ph37 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.preheader, label %.lr.ph37.epil

.lr.ph37.epil:                                    ; preds = %.preheader.loopexit.unr-lcssa
  %40 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %indvars.iv46.unr
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = add nsw i32 %41, %.unr57
  store i32 %42, ptr %40, align 4, !tbaa !5
  %43 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds (i8, ptr @imos, i64 400040), i64 0, i64 %indvars.iv46.unr
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = add nsw i32 %44, %.unr
  store i32 %45, ptr %43, align 4, !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.lr.ph37.epil, %.preheader.loopexit.unr-lcssa, %.preheader30
  %46 = load i32, ptr @Q, align 4, !tbaa !5
  %47 = icmp sgt i32 %46, 0
  br i1 %47, label %.lr.ph39, label %._crit_edge40

.lr.ph37:                                         ; preds = %.lr.ph37, %.lr.ph37.preheader.new
  %48 = phi i32 [ %.pre52, %.lr.ph37.preheader.new ], [ %61, %.lr.ph37 ]
  %49 = phi i32 [ %.pre, %.lr.ph37.preheader.new ], [ %58, %.lr.ph37 ]
  %indvars.iv46 = phi i64 [ 1, %.lr.ph37.preheader.new ], [ %indvars.iv.next47.1, %.lr.ph37 ]
  %niter = phi i64 [ 0, %.lr.ph37.preheader.new ], [ %niter.next.1, %.lr.ph37 ]
  %50 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %indvars.iv46
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = add nsw i32 %51, %49
  store i32 %52, ptr %50, align 4, !tbaa !5
  %53 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds (i8, ptr @imos, i64 400040), i64 0, i64 %indvars.iv46
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = add nsw i32 %54, %48
  store i32 %55, ptr %53, align 4, !tbaa !5
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %56 = getelementptr inbounds [100010 x i32], ptr @imos, i64 0, i64 %indvars.iv.next47
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = add nsw i32 %57, %52
  store i32 %58, ptr %56, align 4, !tbaa !5
  %59 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds (i8, ptr @imos, i64 400040), i64 0, i64 %indvars.iv.next47
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = add nsw i32 %60, %55
  store i32 %61, ptr %59, align 4, !tbaa !5
  %indvars.iv.next47.1 = add nuw nsw i64 %indvars.iv46, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %.preheader.loopexit.unr-lcssa, label %.lr.ph37, !llvm.loop !13

._crit_edge40:                                    ; preds = %.lr.ph39, %.preheader
  ret i32 0

.lr.ph39:                                         ; preds = %.preheader, %.lr.ph39
  %indvars.iv49 = phi i64 [ %indvars.iv.next50, %.lr.ph39 ], [ 0, %.preheader ]
  %62 = getelementptr inbounds [100010 x i32], ptr @r, i64 0, i64 %indvars.iv49
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds (i8, ptr @imos, i64 400040), i64 0, i64 %64
  %66 = load i32, ptr %65, align 4, !tbaa !5
  %67 = getelementptr inbounds [100010 x i32], ptr @l, i64 0, i64 %indvars.iv49
  %68 = load i32, ptr %67, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [100010 x i32], ptr getelementptr inbounds (i8, ptr @imos, i64 400040), i64 0, i64 %70
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = sub nsw i32 %66, %72
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %73)
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1
  %76 = load i32, ptr @Q, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = icmp slt i64 %indvars.iv.next50, %77
  br i1 %78, label %.lr.ph39, label %._crit_edge40, !llvm.loop !14
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; 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 #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; 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 #5 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)) #3

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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