; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1220_CODE_FESTIVAL_2015_OKINAWA (F)

; 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" }
%"struct.std::_Setprecision" = type { i32 }

@N = external dso_local global i32, align 4
@x = external dso_local global [21 x double], align 16
@y = external dso_local global [21 x double], align 16
@dist = external dso_local global [21 x [21 x double]], align 16
@memo = external dso_local global [21 x [2097152 x double]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_Z4sellii(i32 noundef, i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIdERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %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 i32, align 4
  %9 = alloca double, align 8
  %10 = alloca i32, align 4
  %11 = alloca double, align 8
  %12 = alloca %"struct.std::_Setprecision", align 4
  store i32 0, ptr %1, align 4
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %29, %0
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = load i32, ptr @N, align 4, !tbaa !5
  %17 = add nsw i32 %16, 3
  %18 = icmp slt i32 %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %32

20:                                               ; preds = %14
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %22
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %23)
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %26
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 8 dereferenceable(8) %27)
  br label %29

29:                                               ; preds = %20
  %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 %14, !llvm.loop !9

32:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %104, %32
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = load i32, ptr @N, align 4, !tbaa !5
  %36 = add nsw i32 %35, 3
  %37 = icmp slt i32 %34, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %33
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  br label %107

39:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %5, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %100, %39
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %44 = load i32, ptr @N, align 4, !tbaa !5
  %45 = add nsw i32 %44, 3
  %46 = icmp slt i32 %43, %45
  br i1 %46, label %48, label %47

47:                                               ; preds = %42
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %103

48:                                               ; preds = %42
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %50
  %52 = load double, ptr %51, align 8, !tbaa !11
  %53 = load i32, ptr %5, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %54
  %56 = load double, ptr %55, align 8, !tbaa !11
  %57 = fsub double %52, %56
  %58 = load i32, ptr %3, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %59
  %61 = load double, ptr %60, align 8, !tbaa !11
  %62 = load i32, ptr %5, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %63
  %65 = load double, ptr %64, align 8, !tbaa !11
  %66 = fsub double %61, %65
  %67 = load i32, ptr %3, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %68
  %70 = load double, ptr %69, align 8, !tbaa !11
  %71 = load i32, ptr %5, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %72
  %74 = load double, ptr %73, align 8, !tbaa !11
  %75 = fsub double %70, %74
  %76 = load i32, ptr %3, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %77
  %79 = load double, ptr %78, align 8, !tbaa !11
  %80 = load i32, ptr %5, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %81
  %83 = load double, ptr %82, align 8, !tbaa !11
  %84 = fsub double %79, %83
  %85 = fmul double %75, %84
  %86 = call double @llvm.fmuladd.f64(double %57, double %66, double %85)
  %87 = call double @sqrt(double noundef %86) #8
  %88 = load i32, ptr %5, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [21 x [21 x double]], ptr @dist, i64 0, i64 %89
  %91 = load i32, ptr %3, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [21 x double], ptr %90, i64 0, i64 %92
  store double %87, ptr %93, align 8, !tbaa !11
  %94 = load i32, ptr %3, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = getelementptr inbounds [21 x [21 x double]], ptr @dist, i64 0, i64 %95
  %97 = load i32, ptr %5, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = getelementptr inbounds [21 x double], ptr %96, i64 0, i64 %98
  store double %87, ptr %99, align 8, !tbaa !11
  br label %100

100:                                              ; preds = %48
  %101 = load i32, ptr %5, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %5, align 4, !tbaa !5
  br label %42, !llvm.loop !13

103:                                              ; preds = %47
  br label %104

104:                                              ; preds = %103
  %105 = load i32, ptr %3, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %3, align 4, !tbaa !5
  br label %33, !llvm.loop !14

107:                                              ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %108

108:                                              ; preds = %133, %107
  %109 = load i32, ptr %6, align 4, !tbaa !5
  %110 = load i32, ptr @N, align 4, !tbaa !5
  %111 = add nsw i32 %110, 3
  %112 = icmp slt i32 %109, %111
  br i1 %112, label %114, label %113

113:                                              ; preds = %108
  store i32 11, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %136

114:                                              ; preds = %108
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  %115 = load i32, ptr @N, align 4, !tbaa !5
  store i32 %115, ptr %7, align 4, !tbaa !5
  br label %116

116:                                              ; preds = %129, %114
  %117 = load i32, ptr %7, align 4, !tbaa !5
  %118 = load i32, ptr @N, align 4, !tbaa !5
  %119 = add nsw i32 %118, 3
  %120 = icmp slt i32 %117, %119
  br i1 %120, label %122, label %121

121:                                              ; preds = %116
  store i32 14, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %132

122:                                              ; preds = %116
  %123 = load i32, ptr %6, align 4, !tbaa !5
  %124 = sext i32 %123 to i64
  %125 = getelementptr inbounds [21 x [21 x double]], ptr @dist, i64 0, i64 %124
  %126 = load i32, ptr %7, align 4, !tbaa !5
  %127 = sext i32 %126 to i64
  %128 = getelementptr inbounds [21 x double], ptr %125, i64 0, i64 %127
  store double 0.000000e+00, ptr %128, align 8, !tbaa !11
  br label %129

129:                                              ; preds = %122
  %130 = load i32, ptr %7, align 4, !tbaa !5
  %131 = add nsw i32 %130, 1
  store i32 %131, ptr %7, align 4, !tbaa !5
  br label %116, !llvm.loop !15

132:                                              ; preds = %121
  br label %133

133:                                              ; preds = %132
  %134 = load i32, ptr %6, align 4, !tbaa !5
  %135 = add nsw i32 %134, 1
  store i32 %135, ptr %6, align 4, !tbaa !5
  br label %108, !llvm.loop !16

136:                                              ; preds = %113
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 -1, ptr %8, align 4, !tbaa !5
  call void @_ZSt4fillIPdiEvT_S1_RKT0_(ptr noundef @memo, ptr noundef getelementptr inbounds (double, ptr @memo, i64 44040192), ptr noundef nonnull align 4 dereferenceable(4) %8)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #8
  store double 1.000000e+06, ptr %9, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %137

137:                                              ; preds = %148, %136
  %138 = load i32, ptr %10, align 4, !tbaa !5
  %139 = load i32, ptr @N, align 4, !tbaa !5
  %140 = add nsw i32 %139, 2
  %141 = icmp slt i32 %138, %140
  br i1 %141, label %143, label %142

142:                                              ; preds = %137
  store i32 17, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %151

143:                                              ; preds = %137
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %144 = load i32, ptr %10, align 4, !tbaa !5
  %145 = call noundef double @_Z4sellii(i32 noundef %144, i32 noundef 0)
  store double %145, ptr %11, align 8, !tbaa !11
  %146 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIdERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %147 = load double, ptr %146, align 8, !tbaa !11
  store double %147, ptr %9, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %148

148:                                              ; preds = %143
  %149 = load i32, ptr %10, align 4, !tbaa !5
  %150 = add nsw i32 %149, 1
  store i32 %150, ptr %10, align 4, !tbaa !5
  br label %137, !llvm.loop !17

151:                                              ; preds = %142
  %152 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt5fixedRSt8ios_base)
  %153 = call i32 @_ZSt12setprecisioni(i32 noundef 10)
  %154 = getelementptr inbounds %"struct.std::_Setprecision", ptr %12, i32 0, i32 0
  store i32 %153, ptr %154, align 4
  %155 = getelementptr inbounds %"struct.std::_Setprecision", ptr %12, i32 0, i32 0
  %156 = load i32, ptr %155, align 4
  %157 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %152, i32 %156)
  %158 = load double, ptr %9, align 8, !tbaa !11
  %159 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %157, double 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_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  %161 = load i32, ptr %1, align 4
  ret i32 %161
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nounwind
declare double @sqrt(double noundef) #5

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPdiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #7

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #7

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #7

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) #0 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) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #7

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { 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 #8 = { 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 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !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
@x = external dso_local global [21 x double], align 16
@y = external dso_local global [21 x double], align 16
@dist = external dso_local local_unnamed_addr global [21 x [21 x double]], align 16
@memo = external dso_local global [21 x [2097152 x double]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_Z4sellii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIdERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca double, align 8
  %3 = alloca double, align 8
  %4 = 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)
  %5 = load i32, ptr @N, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, -3
  br i1 %6, label %.lr.ph, label %._crit_edge48

.preheader37:                                     ; preds = %.lr.ph
  %7 = add i32 %14, 3
  %8 = icmp sgt i32 %14, -3
  br i1 %8, label %.lr.ph43, label %._crit_edge48

.lr.ph43:                                         ; preds = %.preheader37
  %9 = sext i32 %7 to i64
  %smax = tail call i32 @llvm.smax.i32(i32 %7, i32 1)
  %wide.trip.count61 = zext nneg i32 %smax to i64
  %wide.trip.count = zext i32 %7 to i64
  br label %36

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %10 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %indvars.iv
  %11 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %10)
  %12 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %indvars.iv
  %13 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %12)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %14 = load i32, ptr @N, align 4, !tbaa !5
  %15 = add nsw i32 %14, 2
  %16 = sext i32 %15 to i64
  %17 = icmp slt i64 %indvars.iv, %16
  br i1 %17, label %.lr.ph, label %.preheader37, !llvm.loop !9

.loopexit:                                        ; preds = %42, %36
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %exitcond62.not = icmp eq i64 %indvars.iv.next59, %wide.trip.count61
  br i1 %exitcond62.not, label %.preheader36, label %36, !llvm.loop !11

.preheader36:                                     ; preds = %.loopexit
  br i1 %8, label %.preheader.us.preheader, label %._crit_edge48

.preheader.us.preheader:                          ; preds = %.preheader36
  %18 = sext i32 %14 to i64
  %19 = shl nsw i64 %18, 3
  %20 = add i32 %14, 1
  %smax63 = tail call i32 @llvm.smax.i32(i32 %7, i32 %20)
  %21 = xor i32 %14, -1
  %22 = add i32 %smax63, %21
  %23 = zext i32 %22 to i64
  %24 = shl nuw nsw i64 %23, 3
  %25 = add nuw nsw i64 %24, 8
  %26 = getelementptr i8, ptr @dist, i64 %19
  %xtraiter = and i64 %wide.trip.count61, 7
  %27 = icmp slt i32 %7, 8
  br i1 %27, label %._crit_edge48.loopexit.unr-lcssa, label %.preheader.us.preheader.new

.preheader.us.preheader.new:                      ; preds = %.preheader.us.preheader
  %unroll_iter = and i64 %wide.trip.count61, 2147483640
  %invariant.gep = getelementptr i8, ptr %26, i64 168
  %invariant.gep73 = getelementptr i8, ptr %26, i64 336
  %invariant.gep75 = getelementptr i8, ptr %26, i64 504
  %invariant.gep77 = getelementptr i8, ptr %26, i64 672
  %invariant.gep79 = getelementptr i8, ptr %26, i64 840
  %invariant.gep81 = getelementptr i8, ptr %26, i64 1008
  %invariant.gep83 = getelementptr i8, ptr %26, i64 1176
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us, %.preheader.us.preheader.new
  %indvar = phi i64 [ 0, %.preheader.us.preheader.new ], [ %indvar.next.7, %.preheader.us ]
  %niter = phi i64 [ 0, %.preheader.us.preheader.new ], [ %niter.next.7, %.preheader.us ]
  %28 = mul nuw nsw i64 %indvar, 168
  %scevgep = getelementptr i8, ptr %26, i64 %28
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %scevgep, i8 0, i64 %25, i1 false), !tbaa !12
  %29 = mul nuw i64 %indvar, 168
  %gep = getelementptr i8, ptr %invariant.gep, i64 %29
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep, i8 0, i64 %25, i1 false), !tbaa !12
  %30 = mul nuw i64 %indvar, 168
  %gep74 = getelementptr i8, ptr %invariant.gep73, i64 %30
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep74, i8 0, i64 %25, i1 false), !tbaa !12
  %31 = mul nuw i64 %indvar, 168
  %gep76 = getelementptr i8, ptr %invariant.gep75, i64 %31
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep76, i8 0, i64 %25, i1 false), !tbaa !12
  %32 = mul nuw i64 %indvar, 168
  %gep78 = getelementptr i8, ptr %invariant.gep77, i64 %32
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep78, i8 0, i64 %25, i1 false), !tbaa !12
  %33 = mul nuw i64 %indvar, 168
  %gep80 = getelementptr i8, ptr %invariant.gep79, i64 %33
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep80, i8 0, i64 %25, i1 false), !tbaa !12
  %34 = mul nuw i64 %indvar, 168
  %gep82 = getelementptr i8, ptr %invariant.gep81, i64 %34
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep82, i8 0, i64 %25, i1 false), !tbaa !12
  %35 = mul nuw i64 %indvar, 168
  %gep84 = getelementptr i8, ptr %invariant.gep83, i64 %35
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %gep84, i8 0, i64 %25, i1 false), !tbaa !12
  %indvar.next.7 = add nuw nsw i64 %indvar, 8
  %niter.next.7 = add i64 %niter, 8
  %niter.ncmp.7 = icmp eq i64 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %._crit_edge48.loopexit.unr-lcssa, label %.preheader.us, !llvm.loop !14

36:                                               ; preds = %.lr.ph43, %.loopexit
  %indvars.iv58 = phi i64 [ 0, %.lr.ph43 ], [ %indvars.iv.next59, %.loopexit ]
  %indvars.iv53 = phi i64 [ 1, %.lr.ph43 ], [ %indvars.iv.next54, %.loopexit ]
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %37 = icmp slt i64 %indvars.iv.next59, %9
  br i1 %37, label %.lr.ph41, label %.loopexit

.lr.ph41:                                         ; preds = %36
  %38 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %indvars.iv58
  %39 = load double, ptr %38, align 8, !tbaa !12
  %40 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %indvars.iv58
  %41 = load double, ptr %40, align 8, !tbaa !12
  br label %42

42:                                               ; preds = %.lr.ph41, %42
  %indvars.iv55 = phi i64 [ %indvars.iv53, %.lr.ph41 ], [ %indvars.iv.next56, %42 ]
  %43 = getelementptr inbounds [21 x double], ptr @x, i64 0, i64 %indvars.iv55
  %44 = load double, ptr %43, align 8, !tbaa !12
  %45 = fsub double %39, %44
  %46 = getelementptr inbounds [21 x double], ptr @y, i64 0, i64 %indvars.iv55
  %47 = load double, ptr %46, align 8, !tbaa !12
  %48 = fsub double %41, %47
  %49 = fmul double %48, %48
  %50 = tail call double @llvm.fmuladd.f64(double %45, double %45, double %49)
  %sqrt = tail call double @llvm.sqrt.f64(double %50)
  %51 = getelementptr inbounds [21 x [21 x double]], ptr @dist, i64 0, i64 %indvars.iv55, i64 %indvars.iv58
  store double %sqrt, ptr %51, align 8, !tbaa !12
  %52 = getelementptr inbounds [21 x [21 x double]], ptr @dist, i64 0, i64 %indvars.iv58, i64 %indvars.iv55
  store double %sqrt, ptr %52, align 8, !tbaa !12
  %indvars.iv.next56 = add nuw nsw i64 %indvars.iv55, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next56, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %42, !llvm.loop !15

._crit_edge48.loopexit.unr-lcssa:                 ; preds = %.preheader.us, %.preheader.us.preheader
  %indvar.unr = phi i64 [ 0, %.preheader.us.preheader ], [ %indvar.next.7, %.preheader.us ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge48, label %.preheader.us.epil

.preheader.us.epil:                               ; preds = %._crit_edge48.loopexit.unr-lcssa, %.preheader.us.epil
  %indvar.epil = phi i64 [ %indvar.next.epil, %.preheader.us.epil ], [ %indvar.unr, %._crit_edge48.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.preheader.us.epil ], [ 0, %._crit_edge48.loopexit.unr-lcssa ]
  %53 = mul nuw nsw i64 %indvar.epil, 168
  %scevgep.epil = getelementptr i8, ptr %26, i64 %53
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(1) %scevgep.epil, i8 0, i64 %25, i1 false), !tbaa !12
  %indvar.next.epil = add nuw nsw i64 %indvar.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge48, label %.preheader.us.epil, !llvm.loop !16

._crit_edge48:                                    ; preds = %._crit_edge48.loopexit.unr-lcssa, %.preheader.us.epil, %0, %.preheader37, %.preheader36
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #9
  store i32 -1, ptr %1, align 4, !tbaa !5
  call void @_ZSt4fillIPdiEvT_S1_RKT0_(ptr noundef nonnull @memo, ptr noundef nonnull getelementptr inbounds (i8, ptr @memo, i64 352321536), ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #9
  store double 1.000000e+06, ptr %2, align 8, !tbaa !12
  %54 = load i32, ptr @N, align 4, !tbaa !5
  %55 = icmp sgt i32 %54, -2
  br i1 %55, label %.lr.ph50, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph50, %._crit_edge48
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
  %57 = call i32 @_ZSt12setprecisioni(i32 noundef 10)
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %56, i32 %57)
  %59 = load double, ptr %2, align 8, !tbaa !12
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %58, double noundef %59)
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #9
  ret i32 0

.lr.ph50:                                         ; preds = %._crit_edge48, %.lr.ph50
  %.03149 = phi i32 [ %65, %.lr.ph50 ], [ 0, %._crit_edge48 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #9
  %62 = call noundef double @_Z4sellii(i32 noundef %.03149, i32 noundef 0)
  store double %62, ptr %3, align 8, !tbaa !12
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIdERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %64 = load double, ptr %63, align 8, !tbaa !12
  store double %64, ptr %2, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #9
  %65 = add nuw nsw i32 %.03149, 1
  %66 = load i32, ptr @N, align 4, !tbaa !5
  %.not = icmp sgt i32 %.03149, %66
  br i1 %.not, label %._crit_edge, label %.lr.ph50, !llvm.loop !18
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPdiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) local_unnamed_addr #0 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 #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.sqrt.f64(double) #7

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #7

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #8

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #9 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.unroll.disable"}
!18 = distinct !{!18, !10}


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