; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Ad Infinitum/Ad Infinitum 11/B.ll (Z9factorizei)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@cnt = external dso_local global i32, align 4
@p = external dso_local global %"class.std::map", align 8
@primes = external dso_local global %"class.std::vector", 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: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; 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
define dso_local void @_Z9factorizei(i32 noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %47, %1
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %6) #3
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = icmp sle i32 %8, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %50

12:                                               ; preds = %4
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %15) #3
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = srem i32 %13, %17
  %19 = icmp eq i32 %18, 0
  br i1 %19, label %20, label %46

20:                                               ; preds = %12
  store i32 0, ptr @cnt, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %29, %20
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %24) #3
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = srem i32 %22, %26
  %28 = icmp eq i32 %27, 0
  br i1 %28, label %29, label %38

29:                                               ; preds = %21
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %31) #3
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = sdiv i32 %34, %33
  store i32 %35, ptr %2, align 4, !tbaa !5
  %36 = load i32, ptr @cnt, align 4, !tbaa !5
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr @cnt, align 4, !tbaa !5
  br label %21, !llvm.loop !9

38:                                               ; preds = %21
  %39 = load i32, ptr @cnt, align 4, !tbaa !5
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %41) #3
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @p, ptr noundef nonnull align 4 dereferenceable(4) %42)
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = add nsw i32 %44, %39
  store i32 %45, ptr %43, align 4, !tbaa !5
  br label %46

46:                                               ; preds = %38, %12
  br label %47

47:                                               ; preds = %46
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %3, align 4, !tbaa !5
  br label %4, !llvm.loop !11

50:                                               ; preds = %11
  %51 = load i32, ptr %2, align 4, !tbaa !5
  %52 = icmp sgt i32 %51, 1
  br i1 %52, label %53, label %57

53:                                               ; preds = %50
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @p, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %54, align 4, !tbaa !5
  br label %57

57:                                               ; preds = %53, %50
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

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 = { 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 = { 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}


; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@cnt = external dso_local local_unnamed_addr global i32, align 4
@p = external dso_local global %"class.std::map", align 8
@primes = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9factorizei(i32 noundef %0) local_unnamed_addr #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef 0) #2
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %.not7 = icmp sgt i32 %4, %0
  br i1 %.not7, label %._crit_edge11, label %.lr.ph10

._crit_edge11:                                    ; preds = %31, %1
  %.lcssa = phi i32 [ %0, %1 ], [ %32, %31 ]
  %5 = icmp sgt i32 %.lcssa, 1
  br i1 %5, label %35, label %39

.lr.ph10:                                         ; preds = %1, %31
  %6 = phi i32 [ %32, %31 ], [ %0, %1 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %31 ], [ 0, %1 ]
  %7 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %indvars.iv) #2
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = srem i32 %6, %8
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %.preheader, label %31

.preheader:                                       ; preds = %.lr.ph10
  store i32 0, ptr @cnt, align 4, !tbaa !5
  %11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %indvars.iv) #2
  %12 = load i32, ptr %11, align 4, !tbaa !5
  %13 = srem i32 %6, %12
  %14 = icmp eq i32 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %15 = phi i32 [ %18, %.lr.ph ], [ %6, %.preheader ]
  %16 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %indvars.iv) #2
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = sdiv i32 %15, %17
  store i32 %18, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr @cnt, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr @cnt, align 4, !tbaa !5
  %21 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %indvars.iv) #2
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = srem i32 %18, %22
  %24 = icmp eq i32 %23, 0
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %25 = phi i32 [ %6, %.preheader ], [ %18, %.lr.ph ]
  %26 = load i32, ptr @cnt, align 4, !tbaa !5
  %27 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %indvars.iv) #2
  %28 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @p, ptr noundef nonnull align 4 dereferenceable(4) %27)
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = add nsw i32 %29, %26
  store i32 %30, ptr %28, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %.lr.ph10, %._crit_edge
  %32 = phi i32 [ %6, %.lr.ph10 ], [ %25, %._crit_edge ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %33 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @primes, i64 noundef %indvars.iv.next) #2
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %.not = icmp sgt i32 %34, %32
  br i1 %.not, label %._crit_edge11, label %.lr.ph10, !llvm.loop !11

35:                                               ; preds = %._crit_edge11
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @p, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %36, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %35, %._crit_edge11
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 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 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 #2 = { 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}


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