; LLVM IR from ShahjalalShohag/code-library :: Number Theory/Pisano Period.ll (Z13pisano_periodx)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, int>, std::_Select1st<std::pair<const long long, int>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, int>, std::_Select1st<std::pair<const long long, int>>, std::less<long long>>::_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.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type <{ i64, i32, [4 x i8] }>

; 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 nounwind uwtable
declare dso_local noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef, i64 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10PollardRho9factorizeEx(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, i64 noundef) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z19pisano_period_primex(i64 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z13pisano_periodx(i64 noundef %0) #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::map", align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca ptr, align 8
  %13 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %14 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca ptr, align 8
  %18 = alloca ptr, align 8
  %19 = alloca i64, align 8
  %20 = alloca i32, align 4
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #5
  %21 = load i64, ptr %2, align 8, !tbaa !5
  call void @_ZN10PollardRho9factorizeEx(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %3, i64 noundef %21)
  call void @llvm.lifetime.start.p0(i64 48, ptr %4) #5
  call void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store ptr %3, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  %23 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #5
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %25 = load ptr, ptr %5, align 8, !tbaa !9
  %26 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #5
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  br label %28

28:                                               ; preds = %38, %1
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %44

31:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  %33 = load i64, ptr %32, align 8, !tbaa !5
  store i64 %33, ptr %8, align 8, !tbaa !5
  %34 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %35 unwind label %40

35:                                               ; preds = %31
  %36 = load i32, ptr %34, align 4, !tbaa !11
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %34, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %38

38:                                               ; preds = %35
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br label %28

40:                                               ; preds = %31
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %9, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %93

44:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 1, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store ptr %4, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %45 = load ptr, ptr %12, align 8, !tbaa !9
  %46 = call ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %45) #5
  %47 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %13, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %48 = load ptr, ptr %12, align 8, !tbaa !9
  %49 = call ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %48) #5
  %50 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %14, i32 0, i32 0
  store ptr %49, ptr %50, align 8
  br label %51

51:                                               ; preds = %89, %44
  %52 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #5
  br i1 %52, label %54, label %53

53:                                               ; preds = %51
  store i32 4, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %91

54:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #5
  %55 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %16, ptr align 8 %55, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12) %16) #5
  store ptr %56, ptr %17, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12) %16) #5
  store ptr %57, ptr %18, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  %58 = load ptr, ptr %17, align 8, !tbaa !9
  %59 = load i64, ptr %58, align 8, !tbaa !5
  %60 = invoke noundef i64 @_Z19pisano_period_primex(i64 noundef %59)
          to label %61 unwind label %68

61:                                               ; preds = %54
  store i64 %60, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #5
  store i32 1, ptr %20, align 4, !tbaa !11
  br label %62

62:                                               ; preds = %77, %61
  %63 = load i32, ptr %20, align 4, !tbaa !11
  %64 = load ptr, ptr %18, align 8, !tbaa !9
  %65 = load i32, ptr %64, align 4, !tbaa !11
  %66 = icmp slt i32 %63, %65
  br i1 %66, label %72, label %67

67:                                               ; preds = %62
  store i32 6, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #5
  br label %80

68:                                               ; preds = %80, %54
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %9, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %93

72:                                               ; preds = %62
  %73 = load ptr, ptr %17, align 8, !tbaa !9
  %74 = load i64, ptr %73, align 8, !tbaa !5
  %75 = load i64, ptr %19, align 8, !tbaa !5
  %76 = mul nsw i64 %75, %74
  store i64 %76, ptr %19, align 8, !tbaa !5
  br label %77

77:                                               ; preds = %72
  %78 = load i32, ptr %20, align 4, !tbaa !11
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %20, align 4, !tbaa !11
  br label %62, !llvm.loop !13

80:                                               ; preds = %67
  %81 = load i64, ptr %11, align 8, !tbaa !5
  %82 = load i64, ptr %11, align 8, !tbaa !5
  %83 = load i64, ptr %19, align 8, !tbaa !5
  %84 = invoke noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef %82, i64 noundef %83)
          to label %85 unwind label %68

85:                                               ; preds = %80
  %86 = sdiv i64 %81, %84
  %87 = load i64, ptr %19, align 8, !tbaa !5
  %88 = mul nsw i64 %86, %87
  store i64 %88, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #5
  br label %89

89:                                               ; preds = %85
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  br label %51

91:                                               ; preds = %53
  %92 = load i64, ptr %11, align 8, !tbaa !5
  store i32 1, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  ret i64 %92

93:                                               ; preds = %68, %40
  call void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  br label %94

94:                                               ; preds = %93
  %95 = load ptr, ptr %9, align 8
  %96 = load i32, ptr %10, align 4
  %97 = insertvalue { ptr, i32 } poison, ptr %95, 0
  %98 = insertvalue { ptr, i32 } %97, i32 %96, 1
  resume { ptr, i32 } %98
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = { nocallback nofree 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, int>, std::_Select1st<std::pair<const long long, int>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, int>, std::_Select1st<std::pair<const long long, int>>, std::less<long long>>::_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.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type <{ i64, i32, [4 x i8] }>

; 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 nounwind uwtable
declare dso_local noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10PollardRho9factorizeEx(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, i64 noundef) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z19pisano_period_primex(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z13pisano_periodx(i64 noundef %0) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::map", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %9 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  call void @_ZN10PollardRho9factorizeEx(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %2, i64 noundef %0)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #5
  call void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %10 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  store ptr %10, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %11 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  store ptr %11, ptr %5, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %19, %1
  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.start.p0(i64 8, ptr nonnull %7) #5
  %13 = call ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %13, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %14 = call ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %14, ptr %8, align 8
  %15 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %15, label %.lr.ph29, label %._crit_edge30

.lr.ph:                                           ; preds = %1, %19
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %17 = load i64, ptr %16, align 8, !tbaa !5
  store i64 %17, ptr %6, align 8, !tbaa !5
  %18 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %19 unwind label %24

19:                                               ; preds = %.lr.ph
  %20 = load i32, ptr %18, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %18, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %23, label %.lr.ph, label %._crit_edge

24:                                               ; preds = %.lr.ph
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %46

._crit_edge30:                                    ; preds = %._crit_edge26, %._crit_edge
  %.020.lcssa = phi i64 [ 1, %._crit_edge ], [ %40, %._crit_edge26 ]
  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 @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  ret i64 %.020.lcssa

.lr.ph29:                                         ; preds = %._crit_edge, %._crit_edge26
  %.02027 = phi i64 [ %40, %._crit_edge26 ], [ 1, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #5
  %26 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %26, i64 16, i1 false)
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12) %9) #5
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EKxiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS5_(ptr noundef nonnull align 8 dereferenceable(12) %9) #5
  %29 = load i64, ptr %27, align 8, !tbaa !5
  %30 = invoke noundef i64 @_Z19pisano_period_primex(i64 noundef %29)
          to label %.preheader unwind label %43

.preheader:                                       ; preds = %.lr.ph29
  %31 = load i32, ptr %28, align 4, !tbaa !9
  %32 = icmp sgt i32 %31, 1
  br i1 %32, label %.lr.ph25, label %._crit_edge26

.lr.ph25:                                         ; preds = %.preheader
  %33 = load i64, ptr %27, align 8, !tbaa !5
  %34 = add nsw i32 %31, -1
  %35 = add nsw i32 %31, -2
  %xtraiter = and i32 %34, 7
  %36 = icmp ult i32 %35, 7
  br i1 %36, label %._crit_edge26.loopexit.unr-lcssa, label %.lr.ph25.new

.lr.ph25.new:                                     ; preds = %.lr.ph25
  %unroll_iter = and i32 %34, -8
  %factor.op.mul = mul i64 %33, %33
  %factor.op.mul40 = mul i64 %factor.op.mul, %33
  %factor.op.mul41 = mul i64 %factor.op.mul40, %33
  %factor.op.mul42 = mul i64 %factor.op.mul41, %33
  %factor.op.mul43 = mul i64 %factor.op.mul42, %33
  %factor.op.mul44 = mul i64 %factor.op.mul43, %33
  %factor.op.mul45 = mul i64 %factor.op.mul44, %33
  br label %45

._crit_edge26.loopexit.unr-lcssa:                 ; preds = %45, %.lr.ph25
  %.lcssa.ph = phi i64 [ poison, %.lr.ph25 ], [ %.reass.reass.reass.reass.reass.reass.reass, %45 ]
  %.01723.unr = phi i64 [ %30, %.lr.ph25 ], [ %.reass.reass.reass.reass.reass.reass.reass, %45 ]
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge26, label %.epil.preheader

.epil.preheader:                                  ; preds = %._crit_edge26.loopexit.unr-lcssa, %.epil.preheader
  %.01723.epil = phi i64 [ %37, %.epil.preheader ], [ %.01723.unr, %._crit_edge26.loopexit.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %._crit_edge26.loopexit.unr-lcssa ]
  %37 = mul nsw i64 %33, %.01723.epil
  %epil.iter.next = add i32 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i32 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge26, label %.epil.preheader, !llvm.loop !11

._crit_edge26:                                    ; preds = %._crit_edge26.loopexit.unr-lcssa, %.epil.preheader, %.preheader
  %.017.lcssa = phi i64 [ %30, %.preheader ], [ %.lcssa.ph, %._crit_edge26.loopexit.unr-lcssa ], [ %37, %.epil.preheader ]
  %38 = call noundef i64 @_ZSt5__gcdIxET_S0_S0_(i64 noundef %.02027, i64 noundef %.017.lcssa)
  %39 = sdiv i64 %.02027, %38
  %40 = mul nsw i64 %39, %.017.lcssa
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #5
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %42 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %42, label %.lr.ph29, label %._crit_edge30

43:                                               ; preds = %.lr.ph29
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %46

45:                                               ; preds = %45, %.lr.ph25.new
  %.01723 = phi i64 [ %30, %.lr.ph25.new ], [ %.reass.reass.reass.reass.reass.reass.reass, %45 ]
  %niter = phi i32 [ 0, %.lr.ph25.new ], [ %niter.next.7, %45 ]
  %.reass.reass.reass.reass.reass.reass.reass = mul i64 %factor.op.mul45, %.01723
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7 = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %._crit_edge26.loopexit.unr-lcssa, label %45, !llvm.loop !13

46:                                               ; preds = %43, %24
  %.pn = phi { ptr, i32 } [ %25, %24 ], [ %44, %43 ]
  call void @_ZNSt3mapIxiSt4lessIxESaISt4pairIKxiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 nocallback nofree 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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