; LLVM IR from kazunetakahashi/atcoder :: 2017/0926_ARC081 (D)

; 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" }
%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::_Bit_reference" = type { ptr, i64 }

@N = external dso_local global i32, align 4
@_Z1SB5cxx11 = external dso_local global [2 x %"class.std::__cxx11::basic_string"], 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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::_Bit_reference", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::_Bit_reference", align 8
  %10 = alloca %"struct.std::_Bit_reference", align 8
  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) @N)
  %12 = 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) %11, ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11)
  %13 = 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) %12, ptr noundef nonnull align 8 dereferenceable(32) getelementptr inbounds ([2 x %"class.std::__cxx11::basic_string"], ptr @_Z1SB5cxx11, i64 0, i64 1))
  call void @llvm.lifetime.start.p0(i64 40, ptr %2) #6
  call void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %44, %0
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = load i32, ptr @N, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %47

19:                                               ; preds = %14
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %21)
          to label %23 unwind label %35

23:                                               ; preds = %19
  %24 = load i8, ptr %22, align 1, !tbaa !9
  %25 = sext i8 %24 to i32
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) getelementptr inbounds ([2 x %"class.std::__cxx11::basic_string"], ptr @_Z1SB5cxx11, i64 0, i64 1), i64 noundef %27)
          to label %29 unwind label %35

29:                                               ; preds = %23
  %30 = load i8, ptr %28, align 1, !tbaa !9
  %31 = sext i8 %30 to i32
  %32 = icmp eq i32 %25, %31
  br i1 %32, label %33, label %39

33:                                               ; preds = %29
  invoke void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40) %2, i1 noundef zeroext true)
          to label %34 unwind label %35

34:                                               ; preds = %33
  br label %43

35:                                               ; preds = %39, %33, %23, %19
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %4, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %125

39:                                               ; preds = %29
  invoke void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40) %2, i1 noundef zeroext false)
          to label %40 unwind label %35

40:                                               ; preds = %39
  %41 = load i32, ptr %3, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %3, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %40, %34
  br label %44

44:                                               ; preds = %43
  %45 = load i32, ptr %3, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %3, align 4, !tbaa !5
  br label %14, !llvm.loop !10

47:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #6
  %48 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef 0)
          to label %49 unwind label %56

49:                                               ; preds = %47
  %50 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 0
  %51 = extractvalue { ptr, i64 } %48, 0
  store ptr %51, ptr %50, align 8
  %52 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 1
  %53 = extractvalue { ptr, i64 } %48, 1
  store i64 %53, ptr %52, align 8
  %54 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #6
  br i1 %54, label %55, label %60

55:                                               ; preds = %49
  store i64 3, ptr %6, align 8, !tbaa !12
  br label %61

56:                                               ; preds = %47
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %4, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #6
  br label %124

60:                                               ; preds = %49
  store i64 6, ptr %6, align 8, !tbaa !12
  br label %61

61:                                               ; preds = %60, %55
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %62

62:                                               ; preds = %109, %61
  %63 = load i32, ptr %8, align 4, !tbaa !5
  %64 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %2) #6
  %65 = trunc i64 %64 to i32
  %66 = sub nsw i32 %65, 1
  %67 = icmp slt i32 %63, %66
  br i1 %67, label %69, label %68

68:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %113

69:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #6
  %70 = load i32, ptr %8, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %71)
          to label %73 unwind label %82

73:                                               ; preds = %69
  %74 = getelementptr inbounds { ptr, i64 }, ptr %9, i32 0, i32 0
  %75 = extractvalue { ptr, i64 } %72, 0
  store ptr %75, ptr %74, align 8
  %76 = getelementptr inbounds { ptr, i64 }, ptr %9, i32 0, i32 1
  %77 = extractvalue { ptr, i64 } %72, 1
  store i64 %77, ptr %76, align 8
  %78 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  br i1 %78, label %79, label %86

79:                                               ; preds = %73
  %80 = load i64, ptr %6, align 8, !tbaa !12
  %81 = mul nsw i64 %80, 2
  store i64 %81, ptr %6, align 8, !tbaa !12
  br label %106

82:                                               ; preds = %69
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %4, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  br label %112

86:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #6
  %87 = load i32, ptr %8, align 4, !tbaa !5
  %88 = add nsw i32 %87, 1
  %89 = sext i32 %88 to i64
  %90 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 noundef %89)
          to label %91 unwind label %101

91:                                               ; preds = %86
  %92 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %93 = extractvalue { ptr, i64 } %90, 0
  store ptr %93, ptr %92, align 8
  %94 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %95 = extractvalue { ptr, i64 } %90, 1
  store i64 %95, ptr %94, align 8
  %96 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %10) #6
  %97 = xor i1 %96, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  br i1 %97, label %98, label %105

98:                                               ; preds = %91
  %99 = load i64, ptr %6, align 8, !tbaa !12
  %100 = mul nsw i64 %99, 3
  store i64 %100, ptr %6, align 8, !tbaa !12
  br label %105

101:                                              ; preds = %86
  %102 = landingpad { ptr, i32 }
          cleanup
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %4, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  br label %112

105:                                              ; preds = %98, %91
  br label %106

106:                                              ; preds = %105, %79
  %107 = load i64, ptr %6, align 8, !tbaa !12
  %108 = srem i64 %107, 1000000007
  store i64 %108, ptr %6, align 8, !tbaa !12
  br label %109

109:                                              ; preds = %106
  %110 = load i32, ptr %8, align 4, !tbaa !5
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %8, align 4, !tbaa !5
  br label %62, !llvm.loop !14

112:                                              ; preds = %101, %82
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %124

113:                                              ; preds = %68
  %114 = load i64, ptr %6, align 8, !tbaa !12
  %115 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %114)
          to label %116 unwind label %120

116:                                              ; preds = %113
  %117 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %115, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %118 unwind label %120

118:                                              ; preds = %116
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %2) #6
  %119 = load i32, ptr %1, align 4
  ret i32 %119

120:                                              ; preds = %116, %113
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %4, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %5, align 4
  br label %124

124:                                              ; preds = %120, %112, %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %125

125:                                              ; preds = %124, %35
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %2) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %2) #6
  br label %126

126:                                              ; preds = %125
  %127 = load ptr, ptr %4, align 8
  %128 = load i32, ptr %5, align 4
  %129 = insertvalue { ptr, i32 } poison, ptr %127, 0
  %130 = insertvalue { ptr, i32 } %129, i32 %128, 1
  resume { ptr, i32 } %130
}

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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

; 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) #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40), i1 noundef zeroext) #4 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) #3 align 2

; 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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = !{!13, !13, i64 0}
!13 = !{!"long long", !7, i64 0}
!14 = distinct !{!14, !11}


; 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" }
%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::_Bit_reference" = type { ptr, i64 }

@N = external dso_local global i32, align 4
@_Z1SB5cxx11 = external dso_local global [2 x %"class.std::__cxx11::basic_string"], 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 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca %"struct.std::_Bit_reference", align 8
  %3 = alloca %"struct.std::_Bit_reference", align 8
  %4 = alloca %"struct.std::_Bit_reference", align 8
  %5 = 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)
  %6 = 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) %5, ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11)
  %7 = 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) %6, ptr noundef nonnull align 8 dereferenceable(32) getelementptr inbounds (i8, ptr @_Z1SB5cxx11, i64 32))
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %1) #6
  call void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  %8 = load i32, ptr @N, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %23, %0
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #6
  %10 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef 0)
          to label %27 unwind label %37

.lr.ph:                                           ; preds = %0, %23
  %.02230 = phi i32 [ %24, %23 ], [ 0, %0 ]
  %11 = sext i32 %.02230 to i64
  %12 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11, i64 noundef %11)
  %13 = load i8, ptr %12, align 1, !tbaa !9
  %14 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) getelementptr inbounds (i8, ptr @_Z1SB5cxx11, i64 32), i64 noundef %11)
  %15 = load i8, ptr %14, align 1, !tbaa !9
  %16 = icmp eq i8 %13, %15
  br i1 %16, label %17, label %20

17:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40) %1, i1 noundef zeroext true)
          to label %23 unwind label %18

18:                                               ; preds = %20, %17
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %70

20:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40) %1, i1 noundef zeroext false)
          to label %21 unwind label %18

21:                                               ; preds = %20
  %22 = add nsw i32 %.02230, 1
  br label %23

23:                                               ; preds = %21, %17
  %.123 = phi i32 [ %.02230, %17 ], [ %22, %21 ]
  %24 = add nsw i32 %.123, 1
  %25 = load i32, ptr @N, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !10

27:                                               ; preds = %._crit_edge
  %28 = extractvalue { ptr, i64 } %10, 0
  store ptr %28, ptr %2, align 8
  %29 = getelementptr inbounds i8, ptr %2, i64 8
  %30 = extractvalue { ptr, i64 } %10, 1
  store i64 %30, ptr %29, align 8
  %31 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %2) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  %. = select i1 %31, i64 3, i64 6
  %32 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  %33 = trunc i64 %32 to i32
  %34 = icmp sgt i32 %33, 1
  br i1 %34, label %.lr.ph34, label %._crit_edge35

.lr.ph34:                                         ; preds = %27
  %35 = getelementptr inbounds i8, ptr %3, i64 8
  %36 = getelementptr inbounds i8, ptr %4, i64 8
  br label %40

37:                                               ; preds = %._crit_edge
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  br label %70

._crit_edge35:                                    ; preds = %59, %27
  %.1.lcssa = phi i64 [ %., %27 ], [ %60, %59 ]
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.1.lcssa)
          to label %65 unwind label %68

40:                                               ; preds = %.lr.ph34, %59
  %indvars.iv = phi i64 [ 0, %.lr.ph34 ], [ %.pre, %59 ]
  %.131 = phi i64 [ %., %.lr.ph34 ], [ %60, %59 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #6
  %41 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef %indvars.iv)
          to label %42 unwind label %48

42:                                               ; preds = %40
  %43 = extractvalue { ptr, i64 } %41, 0
  store ptr %43, ptr %3, align 8
  %44 = extractvalue { ptr, i64 } %41, 1
  store i64 %44, ptr %35, align 8
  %45 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %3) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #6
  %.pre = add nuw nsw i64 %indvars.iv, 1
  br i1 %45, label %46, label %50

46:                                               ; preds = %42
  %47 = shl nsw i64 %.131, 1
  br label %59

48:                                               ; preds = %40
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #6
  br label %70

50:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #6
  %51 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef %.pre)
          to label %52 unwind label %57

52:                                               ; preds = %50
  %53 = extractvalue { ptr, i64 } %51, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i64 } %51, 1
  store i64 %54, ptr %36, align 8
  %55 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  %56 = mul nsw i64 %.131, 3
  %spec.select = select i1 %55, i64 %.131, i64 %56
  br label %59

57:                                               ; preds = %50
  %58 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  br label %70

59:                                               ; preds = %52, %46
  %.2 = phi i64 [ %spec.select, %52 ], [ %47, %46 ]
  %60 = srem i64 %.2, 1000000007
  %61 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  %62 = shl i64 %61, 32
  %sext = add i64 %62, -4294967296
  %63 = ashr exact i64 %sext, 32
  %64 = icmp slt i64 %.pre, %63
  br i1 %64, label %40, label %._crit_edge35, !llvm.loop !12

65:                                               ; preds = %._crit_edge35
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %67 unwind label %68

67:                                               ; preds = %65
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #6
  ret i32 0

68:                                               ; preds = %65, %._crit_edge35
  %69 = landingpad { ptr, i32 }
          cleanup
  br label %70

70:                                               ; preds = %37, %68, %57, %48, %18
  %.pn26 = phi { ptr, i32 } [ %19, %18 ], [ %69, %68 ], [ %38, %37 ], [ %58, %57 ], [ %49, %48 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn26
}

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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

; 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 #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40), i1 noundef zeroext) local_unnamed_addr #4 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #3 align 2

; 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

; 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 #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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