; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/353 Division 2/Problem B (B)

; 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_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@n = external dso_local global i32, align 4
@a = external dso_local global i32, align 4
@b = external dso_local global i32, align 4
@c = external dso_local global i32, align 4
@d = external dso_local global i32, align 4
@ans = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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)) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %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
  store i32 0, ptr %1, align 4
  %6 = 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)
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) @a)
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @b)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 4 dereferenceable(4) @c)
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(4) @d)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %70, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr @n, align 4, !tbaa !5
  %14 = icmp sle i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %73

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %17 = load i32, ptr @a, align 4, !tbaa !5
  %18 = load i32, ptr @b, align 4, !tbaa !5
  %19 = add nsw i32 %17, %18
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %19, %20
  %22 = load i32, ptr @a, align 4, !tbaa !5
  %23 = sub nsw i32 %21, %22
  %24 = load i32, ptr @c, align 4, !tbaa !5
  %25 = sub nsw i32 %23, %24
  store i32 %25, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %26 = load i32, ptr @a, align 4, !tbaa !5
  %27 = load i32, ptr @b, align 4, !tbaa !5
  %28 = add nsw i32 %26, %27
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = add nsw i32 %28, %29
  %31 = load i32, ptr @b, align 4, !tbaa !5
  %32 = sub nsw i32 %30, %31
  %33 = load i32, ptr @d, align 4, !tbaa !5
  %34 = sub nsw i32 %32, %33
  store i32 %34, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %35 = load i32, ptr @a, align 4, !tbaa !5
  %36 = load i32, ptr @b, align 4, !tbaa !5
  %37 = add nsw i32 %35, %36
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = add nsw i32 %37, %38
  %40 = load i32, ptr @d, align 4, !tbaa !5
  %41 = sub nsw i32 %39, %40
  %42 = load i32, ptr @c, align 4, !tbaa !5
  %43 = sub nsw i32 %41, %42
  store i32 %43, ptr %5, align 4, !tbaa !5
  %44 = load i32, ptr %3, align 4, !tbaa !5
  %45 = icmp sge i32 %44, 1
  br i1 %45, label %46, label %69

46:                                               ; preds = %16
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = load i32, ptr @n, align 4, !tbaa !5
  %49 = icmp sle i32 %47, %48
  br i1 %49, label %50, label %69

50:                                               ; preds = %46
  %51 = load i32, ptr %4, align 4, !tbaa !5
  %52 = icmp sge i32 %51, 1
  br i1 %52, label %53, label %69

53:                                               ; preds = %50
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = load i32, ptr @n, align 4, !tbaa !5
  %56 = icmp sle i32 %54, %55
  br i1 %56, label %57, label %69

57:                                               ; preds = %53
  %58 = load i32, ptr %5, align 4, !tbaa !5
  %59 = icmp sge i32 %58, 1
  br i1 %59, label %60, label %69

60:                                               ; preds = %57
  %61 = load i32, ptr %5, align 4, !tbaa !5
  %62 = load i32, ptr @n, align 4, !tbaa !5
  %63 = icmp sle i32 %61, %62
  br i1 %63, label %64, label %69

64:                                               ; preds = %60
  %65 = load i32, ptr @n, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = load i64, ptr @ans, align 8, !tbaa !9
  %68 = add nsw i64 %67, %66
  store i64 %68, ptr @ans, align 8, !tbaa !9
  br label %69

69:                                               ; preds = %64, %60, %57, %53, %50, %46, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %70

70:                                               ; preds = %69
  %71 = load i32, ptr %2, align 4, !tbaa !5
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %2, align 4, !tbaa !5
  br label %11, !llvm.loop !11

73:                                               ; preds = %15
  %74 = load i64, ptr @ans, align 8, !tbaa !9
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %74)
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  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)) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

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 = { 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 #2 = { 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 #3 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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"}


; 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_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@n = external dso_local global i32, align 4
@a = external dso_local global i32, align 4
@b = external dso_local global i32, align 4
@c = external dso_local global i32, align 4
@d = external dso_local global i32, align 4
@ans = external dso_local local_unnamed_addr global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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)) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = 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)
  %2 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) @a)
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) @b)
  %4 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) @c)
  %5 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) @d)
  %6 = load i32, ptr @n, align 4, !tbaa !5
  %.not29 = icmp slt i32 %6, 1
  %.pre = load i64, ptr @ans, align 8, !tbaa !9
  br i1 %.not29, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0
  %7 = load i32, ptr @a, align 4, !tbaa !5
  %8 = load i32, ptr @b, align 4, !tbaa !5
  %9 = load i32, ptr @c, align 4, !tbaa !5
  %10 = add i32 %9, %7
  %11 = load i32, ptr @d, align 4, !tbaa !5
  %12 = add i32 %11, %9
  %13 = zext nneg i32 %6 to i64
  br label %17

._crit_edge:                                      ; preds = %34, %0
  %14 = phi i64 [ %.pre, %0 ], [ %35, %34 ]
  %15 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %14)
  %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_)
  ret i32 0

17:                                               ; preds = %.lr.ph, %34
  %.030 = phi i32 [ 1, %.lr.ph ], [ %36, %34 ]
  %18 = phi i64 [ %.pre, %.lr.ph ], [ %35, %34 ]
  %19 = add i32 %7, %.030
  %20 = add i32 %19, %8
  %21 = sub i32 %20, %10
  %22 = sub i32 %19, %11
  %23 = sub i32 %20, %12
  %24 = icmp sgt i32 %21, 0
  br i1 %24, label %25, label %34

25:                                               ; preds = %17
  %26 = icmp sle i32 %21, %6
  %27 = icmp sgt i32 %22, 0
  %or.cond = select i1 %26, i1 %27, i1 false
  br i1 %or.cond, label %28, label %34

28:                                               ; preds = %25
  %29 = icmp ugt i32 %22, %6
  %30 = icmp slt i32 %23, 1
  %.not18 = icmp sgt i32 %23, %6
  %31 = or i1 %30, %.not18
  %or.cond19 = select i1 %29, i1 true, i1 %31
  br i1 %or.cond19, label %34, label %32

32:                                               ; preds = %28
  %33 = add nsw i64 %18, %13
  store i64 %33, ptr @ans, align 8, !tbaa !9
  br label %34

34:                                               ; preds = %32, %28, %25, %17
  %35 = phi i64 [ %33, %32 ], [ %18, %28 ], [ %18, %25 ], [ %18, %17 ]
  %36 = add nuw i32 %.030, 1
  %exitcond.not = icmp eq i32 %.030, %6
  br i1 %exitcond.not, label %._crit_edge, label %17, !llvm.loop !11
}

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 #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

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 = { 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 #2 = { 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 #3 = { "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" }

!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"}


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