; LLVM IR from eyangch/competitive-programming :: Codeforces/1244 (c)

; 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" }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, 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 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@N = external dso_local global i64, align 8
@P = external dso_local global i64, align 8
@D = external dso_local global i64, align 8
@W = external dso_local global i64, align 8
@_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
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::set", align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca %"struct.std::pair", align 8
  store i32 0, ptr %1, align 4
  %11 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %12 = getelementptr i8, ptr %11, i64 -24
  %13 = load i64, ptr %12, align 8
  %14 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %13
  %15 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %14, ptr noundef null)
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @N)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 8 dereferenceable(8) @P)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(8) @W)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 8 dereferenceable(8) @D)
  call void @llvm.lifetime.start.p0(i64 48, ptr %2) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  store i64 0, ptr %3, align 8, !tbaa !8
  br label %21

21:                                               ; preds = %100, %0
  %22 = load i64, ptr %3, align 8, !tbaa !8
  %23 = load i64, ptr @D, align 8, !tbaa !8
  %24 = mul nsw i64 %22, %23
  %25 = load i64, ptr @P, align 8, !tbaa !8
  %26 = icmp sle i64 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %21
  store i32 2, ptr %4, align 4
  br label %108

28:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %29 = load i64, ptr @P, align 8, !tbaa !8
  %30 = load i64, ptr %3, align 8, !tbaa !8
  %31 = load i64, ptr @D, align 8, !tbaa !8
  %32 = mul nsw i64 %30, %31
  %33 = sub nsw i64 %29, %32
  store i64 %33, ptr %5, align 8, !tbaa !8
  %34 = load i64, ptr %5, align 8, !tbaa !8
  %35 = load i64, ptr @W, align 8, !tbaa !8
  %36 = srem i64 %34, %35
  %37 = icmp eq i64 %36, 0
  br i1 %37, label %38, label %75

38:                                               ; preds = %28
  %39 = load i64, ptr %5, align 8, !tbaa !8
  %40 = load i64, ptr @W, align 8, !tbaa !8
  %41 = sdiv i64 %39, %40
  %42 = load i64, ptr %3, align 8, !tbaa !8
  %43 = add nsw i64 %41, %42
  %44 = load i64, ptr @N, align 8, !tbaa !8
  %45 = icmp sgt i64 %43, %44
  br i1 %45, label %46, label %47

46:                                               ; preds = %38
  store i32 2, ptr %4, align 4
  br label %97

47:                                               ; preds = %38
  %48 = load i64, ptr %5, align 8, !tbaa !8
  %49 = load i64, ptr @W, align 8, !tbaa !8
  %50 = sdiv i64 %48, %49
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %50)
          to label %52 unwind label %71

52:                                               ; preds = %47
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @.str)
          to label %54 unwind label %71

54:                                               ; preds = %52
  %55 = load i64, ptr %3, align 8, !tbaa !8
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %53, i64 noundef %55)
          to label %57 unwind label %71

57:                                               ; preds = %54
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef @.str)
          to label %59 unwind label %71

59:                                               ; preds = %57
  %60 = load i64, ptr @N, align 8, !tbaa !8
  %61 = load i64, ptr %5, align 8, !tbaa !8
  %62 = load i64, ptr @W, align 8, !tbaa !8
  %63 = sdiv i64 %61, %62
  %64 = sub nsw i64 %60, %63
  %65 = load i64, ptr %3, align 8, !tbaa !8
  %66 = sub nsw i64 %64, %65
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %58, i64 noundef %66)
          to label %68 unwind label %71

68:                                               ; preds = %59
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef @.str.1)
          to label %70 unwind label %71

70:                                               ; preds = %68
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  br label %97

71:                                               ; preds = %68, %59, %57, %54, %52, %47
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %6, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %7, align 4
  br label %107

75:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %76 = load i64, ptr %5, align 8, !tbaa !8
  %77 = load i64, ptr @W, align 8, !tbaa !8
  %78 = srem i64 %76, %77
  store i64 %78, ptr %8, align 8, !tbaa !8
  %79 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %80 unwind label %83

80:                                               ; preds = %75
  %81 = icmp ne i64 %79, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br i1 %81, label %82, label %87

82:                                               ; preds = %80
  store i32 2, ptr %4, align 4
  br label %97

83:                                               ; preds = %75
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %6, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %107

87:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %88 = load i64, ptr %5, align 8, !tbaa !8
  %89 = load i64, ptr @W, align 8, !tbaa !8
  %90 = srem i64 %88, %89
  store i64 %90, ptr %9, align 8, !tbaa !8
  %91 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %92 unwind label %103

92:                                               ; preds = %87
  %93 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 0
  %94 = extractvalue { ptr, i8 } %91, 0
  store ptr %94, ptr %93, align 8
  %95 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 1
  %96 = extractvalue { ptr, i8 } %91, 1
  store i8 %96, ptr %95, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  store i32 0, ptr %4, align 4
  br label %97

97:                                               ; preds = %92, %82, %70, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  %98 = load i32, ptr %4, align 4
  switch i32 %98, label %108 [
    i32 0, label %99
  ]

99:                                               ; preds = %97
  br label %100

100:                                              ; preds = %99
  %101 = load i64, ptr %3, align 8, !tbaa !8
  %102 = add nsw i64 %101, 1
  store i64 %102, ptr %3, align 8, !tbaa !8
  br label %21, !llvm.loop !11

103:                                              ; preds = %87
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %6, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %107

107:                                              ; preds = %103, %83, %71
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %123

108:                                              ; preds = %97, %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  %109 = load i32, ptr %4, align 4
  switch i32 %109, label %115 [
    i32 2, label %110
  ]

110:                                              ; preds = %108
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
          to label %112 unwind label %119

112:                                              ; preds = %110
  %113 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %111, ptr noundef @.str.1)
          to label %114 unwind label %119

114:                                              ; preds = %112
  store i32 0, ptr %4, align 4
  br label %115

115:                                              ; preds = %114, %108
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %2) #6
  %116 = load i32, ptr %4, align 4
  switch i32 %116, label %129 [
    i32 0, label %117
    i32 1, label %117
  ]

117:                                              ; preds = %115, %115
  %118 = load i32, ptr %1, align 4
  ret i32 %118

119:                                              ; preds = %112, %110
  %120 = landingpad { ptr, i32 }
          cleanup
  %121 = extractvalue { ptr, i32 } %120, 0
  store ptr %121, ptr %6, align 8
  %122 = extractvalue { ptr, i32 } %120, 1
  store i32 %122, ptr %7, align 4
  br label %123

123:                                              ; preds = %119, %107
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %2) #6
  br label %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %6, align 8
  %126 = load i32, ptr %7, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128

129:                                              ; preds = %115
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

; 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)) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 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) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; 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 dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { "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 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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #6 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !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_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" }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, 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 }

@N = external dso_local global i64, align 8
@P = external dso_local global i64, align 8
@D = external dso_local global i64, align 8
@W = external dso_local global i64, align 8
@_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
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::set", align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %5 = getelementptr i8, ptr %4, i64 -24
  %6 = load i64, ptr %5, align 8
  %7 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %6
  %8 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %7, ptr noundef null)
  %9 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %10 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @N)
  %11 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 8 dereferenceable(8) @P)
  %12 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) @W)
  %13 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(8) @D)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %14 = load i64, ptr @P, align 8, !tbaa !8
  %.not48 = icmp slt i64 %14, 0
  br i1 %.not48, label %.thread32, label %.lr.ph

.lr.ph:                                           ; preds = %0, %54
  %15 = phi i64 [ %58, %54 ], [ %14, %0 ]
  %16 = phi i64 [ %57, %54 ], [ 0, %0 ]
  %.01749 = phi i64 [ %55, %54 ], [ 0, %0 ]
  %17 = sub nsw i64 %15, %16
  %18 = load i64, ptr @W, align 8, !tbaa !8
  %19 = srem i64 %17, %18
  %20 = sdiv i64 %17, %18
  %21 = icmp eq i64 %19, 0
  br i1 %21, label %22, label %45

22:                                               ; preds = %.lr.ph
  %23 = add nsw i64 %20, %.01749
  %24 = load i64, ptr @N, align 8, !tbaa !8
  %25 = icmp sgt i64 %23, %24
  br i1 %25, label %.thread32, label %26

26:                                               ; preds = %22
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %20)
          to label %28 unwind label %43

28:                                               ; preds = %26
  %29 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef nonnull @.str)
          to label %30 unwind label %43

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %29, i64 noundef %.01749)
          to label %32 unwind label %43

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef nonnull @.str)
          to label %34 unwind label %43

34:                                               ; preds = %32
  %35 = load i64, ptr @N, align 8, !tbaa !8
  %36 = load i64, ptr @W, align 8, !tbaa !8
  %37 = sdiv i64 %17, %36
  %38 = add i64 %.01749, %37
  %39 = sub i64 %35, %38
  %40 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %33, i64 noundef %39)
          to label %41 unwind label %43

41:                                               ; preds = %34
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @.str.1)
          to label %64 unwind label %43

43:                                               ; preds = %41, %34, %32, %30, %28, %26
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %67

45:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  store i64 %19, ptr %2, align 8, !tbaa !8
  %46 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %47 unwind label %48

47:                                               ; preds = %45
  %.not26 = icmp eq i64 %46, 0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br i1 %.not26, label %50, label %.thread32

48:                                               ; preds = %45
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br label %67

50:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %51 = load i64, ptr @W, align 8, !tbaa !8
  %52 = srem i64 %17, %51
  store i64 %52, ptr %3, align 8, !tbaa !8
  %53 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %54 unwind label %59

54:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  %55 = add nuw nsw i64 %.01749, 1
  %56 = load i64, ptr @D, align 8, !tbaa !8
  %57 = mul nsw i64 %56, %55
  %58 = load i64, ptr @P, align 8, !tbaa !8
  %.not = icmp sgt i64 %57, %58
  br i1 %.not, label %.thread32, label %.lr.ph, !llvm.loop !11

59:                                               ; preds = %50
  %60 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  br label %67

.thread32:                                        ; preds = %54, %47, %0, %22
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
          to label %62 unwind label %65

62:                                               ; preds = %.thread32
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef nonnull @.str.1)
          to label %64 unwind label %65

64:                                               ; preds = %41, %62
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #6
  ret i32 0

65:                                               ; preds = %62, %.thread32
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %67

67:                                               ; preds = %43, %48, %59, %65
  %.pn28 = phi { ptr, i32 } [ %66, %65 ], [ %44, %43 ], [ %60, %59 ], [ %49, %48 ]
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn28
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

; 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 #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 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 #5

; 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 #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { "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 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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #6 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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