; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Codeforces Round #766 (Div. 2)/D. Not Adding.ll (Z5solvev)

; 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" }

@a = external dso_local global [1000007 x i8], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #4
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  store i64 0, ptr %2, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %19, %0
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = load i64, ptr %1, align 8, !tbaa !5
  %13 = icmp slt i64 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  br label %22

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds [1000007 x i8], ptr @a, i64 0, i64 %17
  store i8 1, ptr %18, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %19

19:                                               ; preds = %15
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = add nsw i64 %20, 1
  store i64 %21, ptr %2, align 8, !tbaa !5
  br label %10, !llvm.loop !11

22:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 1, ptr %5, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %56, %22
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = icmp slt i64 %24, 1000007
  br i1 %25, label %27, label %26

26:                                               ; preds = %23
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %59

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %28 = load i64, ptr %5, align 8, !tbaa !5
  store i64 %28, ptr %8, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %43, %27
  %30 = load i64, ptr %8, align 8, !tbaa !5
  %31 = icmp slt i64 %30, 1000007
  br i1 %31, label %33, label %32

32:                                               ; preds = %29
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %47

33:                                               ; preds = %29
  %34 = load i64, ptr %8, align 8, !tbaa !5
  %35 = getelementptr inbounds [1000007 x i8], ptr @a, i64 0, i64 %34
  %36 = load i8, ptr %35, align 1, !tbaa !9, !range !13, !noundef !14
  %37 = trunc i8 %36 to i1
  br i1 %37, label %38, label %42

38:                                               ; preds = %33
  %39 = load i64, ptr %7, align 8, !tbaa !5
  %40 = load i64, ptr %8, align 8, !tbaa !5
  %41 = call noundef i64 @_ZSt5__gcdIlET_S0_S0_(i64 noundef %39, i64 noundef %40)
  store i64 %41, ptr %7, align 8, !tbaa !5
  br label %42

42:                                               ; preds = %38, %33
  br label %43

43:                                               ; preds = %42
  %44 = load i64, ptr %5, align 8, !tbaa !5
  %45 = load i64, ptr %8, align 8, !tbaa !5
  %46 = add nsw i64 %45, %44
  store i64 %46, ptr %8, align 8, !tbaa !5
  br label %29, !llvm.loop !15

47:                                               ; preds = %32
  %48 = load i64, ptr %7, align 8, !tbaa !5
  %49 = load i64, ptr %5, align 8, !tbaa !5
  %50 = icmp eq i64 %48, %49
  %51 = zext i1 %50 to i64
  %52 = select i1 %50, i32 1, i32 0
  %53 = sext i32 %52 to i64
  %54 = load i64, ptr %4, align 8, !tbaa !5
  %55 = add nsw i64 %54, %53
  store i64 %55, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %56

56:                                               ; preds = %47
  %57 = load i64, ptr %5, align 8, !tbaa !5
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %5, align 8, !tbaa !5
  br label %23, !llvm.loop !16

59:                                               ; preds = %26
  %60 = load i64, ptr %4, align 8, !tbaa !5
  %61 = load i64, ptr %1, align 8, !tbaa !5
  %62 = sub nsw i64 %60, %61
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %62)
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef @.str)
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #4
  ret void
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 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 nounwind uwtable
declare dso_local noundef i64 @_ZSt5__gcdIlET_S0_S0_(i64 noundef, i64 noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #4 = { 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", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !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" }

@a = external dso_local local_unnamed_addr global [1000007 x i8], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %3 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = icmp sgt i64 %4, 0
  br i1 %5, label %.lr.ph, label %.preheader.preheader

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01820 = phi i64 [ %9, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds [1000007 x i8], ptr @a, i64 0, i64 %7
  store i8 1, ptr %8, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %9 = add nuw nsw i64 %.01820, 1
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = icmp slt i64 %9, %10
  br i1 %11, label %.lr.ph, label %.preheader.preheader, !llvm.loop !11

.preheader.preheader:                             ; preds = %.lr.ph, %0
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %17
  %.01624 = phi i64 [ %21, %17 ], [ 1, %.preheader.preheader ]
  %.01723 = phi i64 [ %20, %17 ], [ 0, %.preheader.preheader ]
  br label %22

12:                                               ; preds = %17
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = sub nsw i64 %20, %13
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %14)
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @.str)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret void

17:                                               ; preds = %28
  %18 = icmp eq i64 %.1, %.01624
  %19 = zext i1 %18 to i64
  %20 = add nuw nsw i64 %.01723, %19
  %21 = add nuw nsw i64 %.01624, 1
  %exitcond.not = icmp eq i64 %21, 1000007
  br i1 %exitcond.not, label %12, label %.preheader, !llvm.loop !13

22:                                               ; preds = %.preheader, %28
  %.022 = phi i64 [ %.01624, %.preheader ], [ %29, %28 ]
  %.01521 = phi i64 [ 0, %.preheader ], [ %.1, %28 ]
  %23 = getelementptr inbounds [1000007 x i8], ptr @a, i64 0, i64 %.022
  %24 = load i8, ptr %23, align 1, !tbaa !9, !range !14, !noundef !15
  %25 = trunc nuw i8 %24 to i1
  br i1 %25, label %26, label %28

26:                                               ; preds = %22
  %27 = call noundef i64 @_ZSt5__gcdIlET_S0_S0_(i64 noundef %.01521, i64 noundef %.022)
  br label %28

28:                                               ; preds = %22, %26
  %.1 = phi i64 [ %27, %26 ], [ %.01521, %22 ]
  %29 = add nuw nsw i64 %.022, %.01624
  %30 = icmp ult i64 %29, 1000007
  br i1 %30, label %22, label %17, !llvm.loop !16
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(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 willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZSt5__gcdIlET_S0_S0_(i64 noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #4 = { 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", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !12}


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