; LLVM IR from Tunghohin/Competitive_Coding :: Luogu (p1073)

; 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" }

@price = external dso_local global [100010 x i32], align 16
@head_go = external dso_local global [100010 x i32], align 16
@head_back = external dso_local global [100010 x i32], align 16
@dist_go = external dso_local global [100010 x i32], align 16
@dist_back = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z8add_edgeiiPi(i32 noundef, i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4spfaPiS_ii(ptr noundef, ptr noundef, i32 noundef, i32 noundef) #1

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 {
  %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 i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %11 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %12 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %14
  %16 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  %17 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 1, ptr %4, align 4, !tbaa !8
  br label %24

24:                                               ; preds = %34, %0
  %25 = load i32, ptr %4, align 4, !tbaa !8
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %37

29:                                               ; preds = %24
  %30 = load i32, ptr %4, align 4, !tbaa !8
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [100010 x i32], ptr @price, i64 0, i64 %31
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %32)
  br label %34

34:                                               ; preds = %29
  %35 = load i32, ptr %4, align 4, !tbaa !8
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %4, align 4, !tbaa !8
  br label %24, !llvm.loop !11

37:                                               ; preds = %28
  br label %38

38:                                               ; preds = %57, %37
  %39 = load i32, ptr %3, align 4, !tbaa !8
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr %3, align 4, !tbaa !8
  %41 = icmp ne i32 %39, 0
  br i1 %41, label %42, label %58

42:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %46 = load i32, ptr %5, align 4, !tbaa !8
  %47 = load i32, ptr %6, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %46, i32 noundef %47, ptr noundef @head_go)
  %48 = load i32, ptr %6, align 4, !tbaa !8
  %49 = load i32, ptr %5, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %48, i32 noundef %49, ptr noundef @head_back)
  %50 = load i32, ptr %7, align 4, !tbaa !8
  %51 = icmp eq i32 %50, 2
  br i1 %51, label %52, label %57

52:                                               ; preds = %42
  %53 = load i32, ptr %6, align 4, !tbaa !8
  %54 = load i32, ptr %5, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %53, i32 noundef %54, ptr noundef @head_go)
  %55 = load i32, ptr %5, align 4, !tbaa !8
  %56 = load i32, ptr %6, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %55, i32 noundef %56, ptr noundef @head_back)
  br label %57

57:                                               ; preds = %52, %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %38, !llvm.loop !13

58:                                               ; preds = %38
  %59 = load i32, ptr %2, align 4, !tbaa !8
  call void @_Z4spfaPiS_ii(ptr noundef @dist_go, ptr noundef @head_go, i32 noundef 1, i32 noundef %59)
  %60 = load i32, ptr %2, align 4, !tbaa !8
  call void @_Z4spfaPiS_ii(ptr noundef @dist_back, ptr noundef @head_back, i32 noundef 2, i32 noundef %60)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 -1061109567, ptr %8, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 1, ptr %9, align 4, !tbaa !8
  br label %61

61:                                               ; preds = %78, %58
  %62 = load i32, ptr %9, align 4, !tbaa !8
  %63 = load i32, ptr %2, align 4, !tbaa !8
  %64 = icmp sle i32 %62, %63
  br i1 %64, label %66, label %65

65:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %81

66:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %67 = load i32, ptr %9, align 4, !tbaa !8
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [100010 x i32], ptr @dist_back, i64 0, i64 %68
  %70 = load i32, ptr %69, align 4, !tbaa !8
  %71 = load i32, ptr %9, align 4, !tbaa !8
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [100010 x i32], ptr @dist_go, i64 0, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !8
  %75 = sub nsw i32 %70, %74
  store i32 %75, ptr %10, align 4, !tbaa !8
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %77 = load i32, ptr %76, align 4, !tbaa !8
  store i32 %77, ptr %8, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %78

78:                                               ; preds = %66
  %79 = load i32, ptr %9, align 4, !tbaa !8
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %9, align 4, !tbaa !8
  br label %61, !llvm.loop !14

81:                                               ; preds = %65
  %82 = load i32, ptr %8, align 4, !tbaa !8
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %82)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %84 = load i32, ptr %1, align 4
  ret i32 %84
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; 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" }

@price = external dso_local global [100010 x i32], align 16
@head_go = external dso_local global [100010 x i32], align 16
@head_back = external dso_local global [100010 x i32], align 16
@dist_go = external dso_local global [100010 x i32], align 16
@dist_back = external dso_local global [100010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z8add_edgeiiPi(i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4spfaPiS_ii(ptr noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 {
  %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 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  %14 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %16
  %18 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %21 = load i32, ptr %1, align 4, !tbaa !8
  %.not11 = icmp slt i32 %21, 1
  br i1 %.not11, label %.preheader, label %.lr.ph

.preheader:                                       ; preds = %.lr.ph, %0
  %22 = phi i32 [ %21, %0 ], [ %27, %.lr.ph ]
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = add nsw i32 %23, -1
  store i32 %24, ptr %2, align 4, !tbaa !8
  %.not913 = icmp eq i32 %23, 0
  br i1 %.not913, label %._crit_edge, label %.lr.ph14

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %0 ]
  %25 = getelementptr inbounds [100010 x i32], ptr @price, i64 0, i64 %indvars.iv
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %25)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %27 = load i32, ptr %1, align 4, !tbaa !8
  %28 = sext i32 %27 to i64
  %.not.not = icmp slt i64 %indvars.iv, %28
  br i1 %.not.not, label %.lr.ph, label %.preheader, !llvm.loop !11

.lr.ph14:                                         ; preds = %.preheader, %43
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %32 = load i32, ptr %3, align 4, !tbaa !8
  %33 = load i32, ptr %4, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %32, i32 noundef %33, ptr noundef nonnull @head_go)
  %34 = load i32, ptr %4, align 4, !tbaa !8
  %35 = load i32, ptr %3, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %34, i32 noundef %35, ptr noundef nonnull @head_back)
  %36 = load i32, ptr %5, align 4, !tbaa !8
  %37 = icmp eq i32 %36, 2
  br i1 %37, label %38, label %43

38:                                               ; preds = %.lr.ph14
  %39 = load i32, ptr %4, align 4, !tbaa !8
  %40 = load i32, ptr %3, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %39, i32 noundef %40, ptr noundef nonnull @head_go)
  %41 = load i32, ptr %3, align 4, !tbaa !8
  %42 = load i32, ptr %4, align 4, !tbaa !8
  call void @_Z8add_edgeiiPi(i32 noundef %41, i32 noundef %42, ptr noundef nonnull @head_back)
  br label %43

43:                                               ; preds = %38, %.lr.ph14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %44 = load i32, ptr %2, align 4, !tbaa !8
  %45 = add nsw i32 %44, -1
  store i32 %45, ptr %2, align 4, !tbaa !8
  %.not9 = icmp eq i32 %44, 0
  br i1 %.not9, label %._crit_edge.loopexit, label %.lr.ph14, !llvm.loop !13

._crit_edge.loopexit:                             ; preds = %43
  %.pre = load i32, ptr %1, align 4, !tbaa !8
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %46 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %22, %.preheader ]
  call void @_Z4spfaPiS_ii(ptr noundef nonnull @dist_go, ptr noundef nonnull @head_go, i32 noundef 1, i32 noundef %46)
  %47 = load i32, ptr %1, align 4, !tbaa !8
  call void @_Z4spfaPiS_ii(ptr noundef nonnull @dist_back, ptr noundef nonnull @head_back, i32 noundef 2, i32 noundef %47)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 -1061109567, ptr %6, align 4, !tbaa !8
  %48 = load i32, ptr %1, align 4, !tbaa !8
  %.not1015 = icmp slt i32 %48, 1
  br i1 %.not1015, label %._crit_edge19, label %.lr.ph18

._crit_edge19:                                    ; preds = %.lr.ph18, %._crit_edge
  %49 = phi i32 [ -1061109567, %._crit_edge ], [ %57, %.lr.ph18 ]
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %49)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph18:                                         ; preds = %._crit_edge, %.lr.ph18
  %indvars.iv21 = phi i64 [ %indvars.iv.next22, %.lr.ph18 ], [ 1, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %51 = getelementptr inbounds [100010 x i32], ptr @dist_back, i64 0, i64 %indvars.iv21
  %52 = load i32, ptr %51, align 4, !tbaa !8
  %53 = getelementptr inbounds [100010 x i32], ptr @dist_go, i64 0, i64 %indvars.iv21
  %54 = load i32, ptr %53, align 4, !tbaa !8
  %55 = sub nsw i32 %52, %54
  store i32 %55, ptr %7, align 4, !tbaa !8
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %57 = load i32, ptr %56, align 4, !tbaa !8
  store i32 %57, ptr %6, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
  %58 = load i32, ptr %1, align 4, !tbaa !8
  %59 = sext i32 %58 to i64
  %.not10.not = icmp slt i64 %indvars.iv21, %59
  br i1 %.not10.not, label %.lr.ph18, label %._crit_edge19, !llvm.loop !14
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 align 2

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 #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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