; LLVM IR from kazunetakahashi/atcoder :: 2017/0129_NJPC2017 (C3)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@N = external dso_local global i32, align 4
@L = external dso_local global i64, align 8
@x = external dso_local global [100010 x i64], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; 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
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %10 = 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)
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 8 dereferenceable(8) @L)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %22, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = load i32, ptr @N, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %25

17:                                               ; preds = %12
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %19
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %20)
  br label %22

22:                                               ; preds = %17
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %2, align 4, !tbaa !5
  br label %12, !llvm.loop !9

25:                                               ; preds = %16
  %26 = load i32, ptr @N, align 4, !tbaa !5
  %27 = icmp eq i32 %26, 1
  br i1 %27, label %28, label %31

28:                                               ; preds = %25
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %29, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  br label %153

31:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %54, %31
  %33 = load i32, ptr %3, align 4, !tbaa !5
  %34 = load i32, ptr @N, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  store i32 5, ptr %4, align 4
  br label %57

37:                                               ; preds = %32
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %39
  %41 = load i64, ptr %40, align 8, !tbaa !11
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = sub nsw i32 %42, 1
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %44
  %46 = load i64, ptr %45, align 8, !tbaa !11
  %47 = sub nsw i64 %41, %46
  %48 = load i64, ptr @L, align 8, !tbaa !11
  %49 = icmp eq i64 %47, %48
  br i1 %49, label %50, label %53

50:                                               ; preds = %37
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %57

53:                                               ; preds = %37
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %3, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %3, align 4, !tbaa !5
  br label %32, !llvm.loop !13

57:                                               ; preds = %50, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  %58 = load i32, ptr %4, align 4
  switch i32 %58, label %155 [
    i32 5, label %59
    i32 1, label %153
  ]

59:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %127, %59
  %61 = load i32, ptr %7, align 4, !tbaa !5
  %62 = load i32, ptr @N, align 4, !tbaa !5
  %63 = sub nsw i32 %62, 1
  %64 = icmp slt i32 %61, %63
  br i1 %64, label %66, label %65

65:                                               ; preds = %60
  store i32 8, ptr %4, align 4
  br label %130

66:                                               ; preds = %60
  %67 = load i32, ptr %7, align 4, !tbaa !5
  %68 = add nsw i32 %67, 1
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %69
  %71 = load i64, ptr %70, align 8, !tbaa !11
  %72 = load i32, ptr %7, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %73
  %75 = load i64, ptr %74, align 8, !tbaa !11
  %76 = sub nsw i64 %71, %75
  %77 = load i64, ptr @L, align 8, !tbaa !11
  %78 = icmp slt i64 %76, %77
  br i1 %78, label %79, label %80

79:                                               ; preds = %66
  br label %127

80:                                               ; preds = %66
  %81 = load i32, ptr %7, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %82
  %84 = load i64, ptr %83, align 8, !tbaa !11
  %85 = load i32, ptr %6, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %86
  %88 = load i64, ptr %87, align 8, !tbaa !11
  %89 = sub nsw i64 %84, %88
  %90 = load i64, ptr @L, align 8, !tbaa !11
  %91 = icmp sge i64 %89, %90
  br i1 %91, label %92, label %95

92:                                               ; preds = %80
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %93, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %130

95:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %96 = load i32, ptr %5, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = load i64, ptr @L, align 8, !tbaa !11
  %99 = mul nsw i64 2, %98
  %100 = add nsw i64 %97, %99
  store i64 %100, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %101 = load i32, ptr %7, align 4, !tbaa !5
  %102 = sext i32 %101 to i64
  %103 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %102
  %104 = load i64, ptr %103, align 8, !tbaa !11
  %105 = load i64, ptr @L, align 8, !tbaa !11
  %106 = add nsw i64 %104, %105
  store i64 %106, ptr %9, align 8, !tbaa !11
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %108 = load i64, ptr %107, align 8, !tbaa !11
  %109 = trunc i64 %108 to i32
  store i32 %109, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  %110 = load i32, ptr %5, align 4, !tbaa !5
  %111 = sext i32 %110 to i64
  %112 = load i32, ptr %7, align 4, !tbaa !5
  %113 = add nsw i32 %112, 1
  %114 = sext i32 %113 to i64
  %115 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %114
  %116 = load i64, ptr %115, align 8, !tbaa !11
  %117 = icmp sge i64 %111, %116
  br i1 %117, label %118, label %121

118:                                              ; preds = %95
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %120 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %119, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %130

121:                                              ; preds = %95
  %122 = load i32, ptr %7, align 4, !tbaa !5
  %123 = add nsw i32 %122, 1
  store i32 %123, ptr %6, align 4, !tbaa !5
  br label %124

124:                                              ; preds = %121
  br label %125

125:                                              ; preds = %124
  br label %126

126:                                              ; preds = %125
  br label %127

127:                                              ; preds = %126, %79
  %128 = load i32, ptr %7, align 4, !tbaa !5
  %129 = add nsw i32 %128, 1
  store i32 %129, ptr %7, align 4, !tbaa !5
  br label %60, !llvm.loop !14

130:                                              ; preds = %118, %92, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  %131 = load i32, ptr %4, align 4
  switch i32 %131, label %151 [
    i32 8, label %132
  ]

132:                                              ; preds = %130
  %133 = load i32, ptr @N, align 4, !tbaa !5
  %134 = sub nsw i32 %133, 1
  %135 = sext i32 %134 to i64
  %136 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %135
  %137 = load i64, ptr %136, align 8, !tbaa !11
  %138 = load i32, ptr %6, align 4, !tbaa !5
  %139 = sext i32 %138 to i64
  %140 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %139
  %141 = load i64, ptr %140, align 8, !tbaa !11
  %142 = sub nsw i64 %137, %141
  %143 = load i64, ptr @L, align 8, !tbaa !11
  %144 = icmp sge i64 %142, %143
  br i1 %144, label %145, label %148

145:                                              ; preds = %132
  %146 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %147 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %146, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %151

148:                                              ; preds = %132
  %149 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %150 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %149, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %4, align 4
  br label %151

151:                                              ; preds = %148, %145, %130
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  %152 = load i32, ptr %4, align 4
  switch i32 %152, label %155 [
    i32 0, label %153
    i32 1, label %153
  ]

153:                                              ; preds = %151, %151, %57, %28
  %154 = load i32, ptr %1, align 4
  ret i32 %154

155:                                              ; preds = %151, %57
  unreachable
}

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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!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::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
@L = external dso_local global i64, align 8
@x = external dso_local global [100010 x i64], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = 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)
  %4 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) @L)
  %5 = load i32, ptr @N, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %.preheader39.thread

.preheader39.thread:                              ; preds = %0
  %.pre63.pre67 = load i64, ptr @L, align 8, !tbaa !9
  br label %.preheader..critedge_crit_edge

._crit_edge:                                      ; preds = %.lr.ph
  %7 = icmp eq i32 %11, 1
  br i1 %7, label %14, label %.preheader39

.preheader39:                                     ; preds = %._crit_edge
  %8 = icmp sgt i32 %11, 1
  %.pre63.pre = load i64, ptr @L, align 8, !tbaa !9
  br i1 %8, label %.lr.ph44, label %.preheader..critedge_crit_edge

.lr.ph44:                                         ; preds = %.preheader39
  %wide.trip.count = zext nneg i32 %11 to i64
  %.pre = load i64, ptr @x, align 16, !tbaa !9
  br label %19

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %9 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %indvars.iv
  %10 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = load i32, ptr @N, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = icmp slt i64 %indvars.iv.next, %12
  br i1 %13, label %.lr.ph, label %._crit_edge, !llvm.loop !11

14:                                               ; preds = %._crit_edge
  %15 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %76

17:                                               ; preds = %19
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next54, %wide.trip.count
  br i1 %exitcond.not, label %.preheader, label %19, !llvm.loop !13

.preheader:                                       ; preds = %17
  br i1 %8, label %.lr.ph49.preheader, label %.preheader..critedge_crit_edge

.preheader..critedge_crit_edge:                   ; preds = %.preheader39, %.preheader39.thread, %.preheader
  %18 = phi i32 [ %11, %.preheader ], [ %5, %.preheader39.thread ], [ %11, %.preheader39 ]
  %.pre63.pre6870 = phi i64 [ %.pre63.pre, %.preheader ], [ %.pre63.pre67, %.preheader39.thread ], [ %.pre63.pre, %.preheader39 ]
  %.pre64 = add nsw i32 %18, -1
  %.pre65 = sext i32 %.pre64 to i64
  br label %.critedge

.lr.ph49.preheader:                               ; preds = %.preheader
  %.pre59 = load i64, ptr @x, align 16, !tbaa !9
  br label %.lr.ph49

19:                                               ; preds = %.lr.ph44, %17
  %20 = phi i64 [ %.pre, %.lr.ph44 ], [ %22, %17 ]
  %indvars.iv53 = phi i64 [ 1, %.lr.ph44 ], [ %indvars.iv.next54, %17 ]
  %21 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %indvars.iv53
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = sub nsw i64 %22, %20
  %24 = icmp eq i64 %23, %.pre63.pre
  br i1 %24, label %.thread, label %17

.thread:                                          ; preds = %19
  %25 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %26 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %76

.lr.ph49:                                         ; preds = %.lr.ph49.preheader, %57
  %27 = phi i32 [ %11, %.lr.ph49.preheader ], [ %58, %57 ]
  %28 = phi i64 [ %.pre63.pre, %.lr.ph49.preheader ], [ %59, %57 ]
  %29 = phi i64 [ %.pre59, %.lr.ph49.preheader ], [ %60, %57 ]
  %indvars.iv56 = phi i64 [ 0, %.lr.ph49.preheader ], [ %indvars.iv.next57, %57 ]
  %.02247 = phi i32 [ 0, %.lr.ph49.preheader ], [ %.1, %57 ]
  %.02346 = phi i32 [ 0, %.lr.ph49.preheader ], [ %.124, %57 ]
  %indvars.iv.next57 = add nuw nsw i64 %indvars.iv56, 1
  %30 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %indvars.iv.next57
  %31 = load i64, ptr %30, align 8, !tbaa !9
  %32 = sub nsw i64 %31, %29
  %33 = icmp slt i64 %32, %28
  br i1 %33, label %57, label %34

34:                                               ; preds = %.lr.ph49
  %35 = sext i32 %.02247 to i64
  %36 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %35
  %37 = load i64, ptr %36, align 8, !tbaa !9
  %38 = sub nsw i64 %29, %37
  %.not = icmp slt i64 %38, %28
  br i1 %.not, label %42, label %39

39:                                               ; preds = %34
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %76

42:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %43 = sext i32 %.02346 to i64
  %44 = shl nsw i64 %28, 1
  %45 = add nsw i64 %44, %43
  store i64 %45, ptr %1, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %46 = add nsw i64 %28, %29
  store i64 %46, ptr %2, align 8, !tbaa !9
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %48 = load i64, ptr %47, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  %sext = shl i64 %48, 32
  %49 = ashr exact i64 %sext, 32
  %50 = load i64, ptr %30, align 8, !tbaa !9
  %.not33 = icmp slt i64 %49, %50
  br i1 %.not33, label %54, label %51

51:                                               ; preds = %42
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %76

54:                                               ; preds = %42
  %.pre60 = load i64, ptr @L, align 8, !tbaa !9
  %55 = trunc i64 %48 to i32
  %56 = trunc nuw nsw i64 %indvars.iv.next57 to i32
  %.pre62 = load i32, ptr @N, align 4, !tbaa !5
  br label %57

57:                                               ; preds = %.lr.ph49, %54
  %58 = phi i32 [ %27, %.lr.ph49 ], [ %.pre62, %54 ]
  %59 = phi i64 [ %28, %.lr.ph49 ], [ %.pre60, %54 ]
  %60 = phi i64 [ %31, %.lr.ph49 ], [ %50, %54 ]
  %.124 = phi i32 [ %.02346, %.lr.ph49 ], [ %55, %54 ]
  %.1 = phi i32 [ %.02247, %.lr.ph49 ], [ %56, %54 ]
  %61 = add nsw i32 %58, -1
  %62 = sext i32 %61 to i64
  %.not34 = icmp slt i64 %indvars.iv.next57, %62
  br i1 %.not34, label %.lr.ph49, label %.critedge.loopexit, !llvm.loop !14

.critedge.loopexit:                               ; preds = %57
  %63 = sext i32 %.1 to i64
  br label %.critedge

.critedge:                                        ; preds = %.preheader..critedge_crit_edge, %.critedge.loopexit
  %.pre-phi66 = phi i64 [ %.pre65, %.preheader..critedge_crit_edge ], [ %62, %.critedge.loopexit ]
  %64 = phi i64 [ %.pre63.pre6870, %.preheader..critedge_crit_edge ], [ %59, %.critedge.loopexit ]
  %.022.lcssa = phi i64 [ 0, %.preheader..critedge_crit_edge ], [ %63, %.critedge.loopexit ]
  %65 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %.pre-phi66
  %66 = load i64, ptr %65, align 8, !tbaa !9
  %67 = getelementptr inbounds [100010 x i64], ptr @x, i64 0, i64 %.022.lcssa
  %68 = load i64, ptr %67, align 8, !tbaa !9
  %69 = sub nsw i64 %66, %68
  %.not35 = icmp slt i64 %69, %64
  br i1 %.not35, label %73, label %70

70:                                               ; preds = %.critedge
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %71, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %76

73:                                               ; preds = %.critedge
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %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_)
  br label %76

76:                                               ; preds = %39, %51, %.thread, %70, %73, %14
  ret i32 0
}

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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

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 uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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