; LLVM IR from kazunetakahashi/atcoder :: 2020/0706_ARC058 (D)

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

%"class.std::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" }
%class.Mint = type { i64 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 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)) #2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_Z1fxx(i64 noundef, i64 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %class.Mint, align 8
  %7 = alloca i64, align 8
  %8 = alloca %class.Mint, align 8
  %9 = alloca %class.Mint, align 8
  %10 = alloca %class.Mint, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @_ZN4MintILx1000000007EEC2Ex(ptr noundef nonnull align 8 dereferenceable(8) %6, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %15 = load i64, ptr %5, align 8, !tbaa !5
  store i64 %15, ptr %7, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %44, %0
  %17 = load i64, ptr %7, align 8, !tbaa !5
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = icmp slt i64 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %47

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = sub nsw i64 %22, %23
  %25 = sub nsw i64 %24, 1
  %26 = load i64, ptr %7, align 8, !tbaa !5
  %27 = call i64 @_Z1fxx(i64 noundef %25, i64 noundef %26)
  %28 = getelementptr inbounds %class.Mint, ptr %9, i32 0, i32 0
  store i64 %27, ptr %28, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %29 = load i64, ptr %2, align 8, !tbaa !5
  %30 = sub nsw i64 %29, 1
  %31 = load i64, ptr %2, align 8, !tbaa !5
  %32 = load i64, ptr %4, align 8, !tbaa !5
  %33 = sub nsw i64 %31, %32
  %34 = sub nsw i64 %30, %33
  %35 = load i64, ptr %3, align 8, !tbaa !5
  %36 = sub nsw i64 %35, 1
  %37 = load i64, ptr %7, align 8, !tbaa !5
  %38 = sub nsw i64 %36, %37
  %39 = call i64 @_Z1fxx(i64 noundef %34, i64 noundef %38)
  %40 = getelementptr inbounds %class.Mint, ptr %10, i32 0, i32 0
  store i64 %39, ptr %40, align 8
  %41 = call i64 @_ZNK4MintILx1000000007EEmlERKS0_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10)
  %42 = getelementptr inbounds %class.Mint, ptr %8, i32 0, i32 0
  store i64 %41, ptr %42, align 8
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4MintILx1000000007EEpLERKS0_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %44

44:                                               ; preds = %21
  %45 = load i64, ptr %7, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  store i64 %46, ptr %7, align 8, !tbaa !5
  br label %16, !llvm.loop !9

47:                                               ; preds = %20
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZlsILx1000000007EERSoS0_RK4MintIXT_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %50 = load i32, ptr %1, align 4
  ret i32 %50
}

; 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)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4MintILx1000000007EEC2Ex(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4MintILx1000000007EEmlERKS0_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4MintILx1000000007EEpLERKS0_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZlsILx1000000007EERSoS0_RK4MintIXT_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = { 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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" }
%class.Mint = type { i64 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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 #1 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)) #2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_Z1fxx(i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %class.Mint, align 8
  %6 = alloca %class.Mint, align 8
  %7 = alloca %class.Mint, align 8
  %8 = alloca %class.Mint, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %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) %3)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  call void @_ZN4MintILx1000000007EEC2Ex(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 noundef 0)
  %13 = load i64, ptr %4, align 8, !tbaa !5
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = icmp slt i64 %13, %14
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZlsILx1000000007EERSoS0_RK4MintIXT_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.05 = phi i64 [ %31, %.lr.ph ], [ %13, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %18 = load i64, ptr %1, align 8, !tbaa !5
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = xor i64 %19, -1
  %21 = add i64 %18, %20
  %22 = call i64 @_Z1fxx(i64 noundef %21, i64 noundef %.05)
  store i64 %22, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = add i64 %23, -1
  %25 = load i64, ptr %2, align 8, !tbaa !5
  %26 = xor i64 %.05, -1
  %27 = add i64 %25, %26
  %28 = call i64 @_Z1fxx(i64 noundef %24, i64 noundef %27)
  store i64 %28, ptr %8, align 8
  %29 = call i64 @_ZNK4MintILx1000000007EEmlERKS0_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
  store i64 %29, ptr %6, align 8
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4MintILx1000000007EEpLERKS0_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %31 = add nsw i64 %.05, 1
  %32 = load i64, ptr %2, align 8, !tbaa !5
  %33 = icmp slt i64 %31, %32
  br i1 %33, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4MintILx1000000007EEC2Ex(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4MintILx1000000007EEmlERKS0_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4MintILx1000000007EEpLERKS0_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZlsILx1000000007EERSoS0_RK4MintIXT_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = { 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass