; LLVM IR from DionysiosB/CodeForces :: 1400-1499 (1409D-DecreaseTheSumOfDigits)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 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 i64, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %15 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %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) %2)
  br label %17

17:                                               ; preds = %134, %132, %0
  %18 = load i64, ptr %2, align 8, !tbaa !5
  %19 = add nsw i64 %18, -1
  store i64 %19, ptr %2, align 8, !tbaa !5
  %20 = icmp ne i64 %18, 0
  br i1 %20, label %21, label %143

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %23 unwind label %31

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %25 unwind label %35

25:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %49, %25
  %27 = load i64, ptr %8, align 8, !tbaa !5
  %28 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %29 = icmp ult i64 %27, %28
  br i1 %29, label %39, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %56

31:                                               ; preds = %21
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %4, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %5, align 4
  br label %142

35:                                               ; preds = %23
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %4, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %5, align 4
  br label %141

39:                                               ; preds = %26
  %40 = load i64, ptr %8, align 8, !tbaa !5
  %41 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %40)
          to label %42 unwind label %52

42:                                               ; preds = %39
  %43 = load i8, ptr %41, align 1, !tbaa !9
  %44 = sext i8 %43 to i32
  %45 = sub nsw i32 %44, 48
  %46 = sext i32 %45 to i64
  %47 = load i64, ptr %7, align 8, !tbaa !5
  %48 = add nsw i64 %47, %46
  store i64 %48, ptr %7, align 8, !tbaa !5
  br label %49

49:                                               ; preds = %42
  %50 = load i64, ptr %8, align 8, !tbaa !5
  %51 = add nsw i64 %50, 1
  store i64 %51, ptr %8, align 8, !tbaa !5
  br label %26, !llvm.loop !10

52:                                               ; preds = %39
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %4, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %140

56:                                               ; preds = %30
  %57 = load i64, ptr %7, align 8, !tbaa !5
  %58 = load i64, ptr %6, align 8, !tbaa !5
  %59 = icmp sle i64 %57, %58
  br i1 %59, label %60, label %67

60:                                               ; preds = %56
  %61 = invoke i32 @puts(ptr noundef @.str)
          to label %62 unwind label %63

62:                                               ; preds = %60
  store i32 2, ptr %9, align 4
  br label %132, !llvm.loop !12

63:                                               ; preds = %60
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %4, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %5, align 4
  br label %140

67:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  store i64 1, ptr %10, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %68 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %69 = sub i64 %68, 1
  store i64 %69, ptr %13, align 8, !tbaa !5
  br label %70

70:                                               ; preds = %124, %67
  %71 = load i64, ptr %13, align 8, !tbaa !5
  %72 = icmp sge i64 %71, 0
  br i1 %72, label %73, label %77

73:                                               ; preds = %70
  %74 = load i64, ptr %7, align 8, !tbaa !5
  %75 = load i64, ptr %6, align 8, !tbaa !5
  %76 = icmp sge i64 %74, %75
  br label %77

77:                                               ; preds = %73, %70
  %78 = phi i1 [ false, %70 ], [ %76, %73 ]
  br i1 %78, label %80, label %79

79:                                               ; preds = %77
  store i32 7, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %128

80:                                               ; preds = %77
  %81 = load i64, ptr %13, align 8, !tbaa !5
  %82 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %81)
          to label %83 unwind label %113

83:                                               ; preds = %80
  %84 = load i8, ptr %82, align 1, !tbaa !9
  %85 = sext i8 %84 to i32
  %86 = sub nsw i32 %85, 48
  %87 = sext i32 %86 to i64
  %88 = load i64, ptr %7, align 8, !tbaa !5
  %89 = sub nsw i64 %88, %87
  store i64 %89, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %90 = load i64, ptr %13, align 8, !tbaa !5
  %91 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %90)
          to label %92 unwind label %117

92:                                               ; preds = %83
  %93 = load i8, ptr %91, align 1, !tbaa !9
  %94 = sext i8 %93 to i32
  %95 = sub nsw i32 %94, 48
  %96 = sub nsw i32 10, %95
  %97 = sext i32 %96 to i64
  %98 = load i64, ptr %12, align 8, !tbaa !13
  %99 = sub nsw i64 %97, %98
  %100 = srem i64 %99, 10
  store i64 %100, ptr %14, align 8, !tbaa !13
  %101 = load i64, ptr %10, align 8, !tbaa !13
  %102 = load i64, ptr %14, align 8, !tbaa !13
  %103 = mul nsw i64 %101, %102
  %104 = load i64, ptr %11, align 8, !tbaa !13
  %105 = add nsw i64 %104, %103
  store i64 %105, ptr %11, align 8, !tbaa !13
  %106 = load i64, ptr %13, align 8, !tbaa !5
  %107 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %106)
          to label %108 unwind label %117

108:                                              ; preds = %92
  %109 = load i8, ptr %107, align 1, !tbaa !9
  %110 = sext i8 %109 to i32
  %111 = icmp sgt i32 %110, 48
  br i1 %111, label %112, label %121

112:                                              ; preds = %108
  store i64 1, ptr %12, align 8, !tbaa !13
  br label %121

113:                                              ; preds = %80
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %4, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %5, align 4
  br label %127

117:                                              ; preds = %92, %83
  %118 = landingpad { ptr, i32 }
          cleanup
  %119 = extractvalue { ptr, i32 } %118, 0
  store ptr %119, ptr %4, align 8
  %120 = extractvalue { ptr, i32 } %118, 1
  store i32 %120, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %127

121:                                              ; preds = %112, %108
  %122 = load i64, ptr %10, align 8, !tbaa !13
  %123 = mul nsw i64 %122, 10
  store i64 %123, ptr %10, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %124

124:                                              ; preds = %121
  %125 = load i64, ptr %13, align 8, !tbaa !5
  %126 = add nsw i64 %125, -1
  store i64 %126, ptr %13, align 8, !tbaa !5
  br label %70, !llvm.loop !15

127:                                              ; preds = %117, %113
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %139

128:                                              ; preds = %79
  %129 = load i64, ptr %11, align 8, !tbaa !13
  %130 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %129)
          to label %131 unwind label %135

131:                                              ; preds = %128
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  store i32 0, ptr %9, align 4
  br label %132

132:                                              ; preds = %131, %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  %133 = load i32, ptr %9, align 4
  switch i32 %133, label %150 [
    i32 0, label %134
    i32 2, label %17
  ]

134:                                              ; preds = %132
  br label %17, !llvm.loop !12

135:                                              ; preds = %128
  %136 = landingpad { ptr, i32 }
          cleanup
  %137 = extractvalue { ptr, i32 } %136, 0
  store ptr %137, ptr %4, align 8
  %138 = extractvalue { ptr, i32 } %136, 1
  store i32 %138, ptr %5, align 4
  br label %139

139:                                              ; preds = %135, %127
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %140

140:                                              ; preds = %139, %63, %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %141

141:                                              ; preds = %140, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %142

142:                                              ; preds = %141, %31
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %145

143:                                              ; preds = %17
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %144 = load i32, ptr %1, align 4
  ret i32 %144

145:                                              ; preds = %142
  %146 = load ptr, ptr %4, align 8
  %147 = load i32, ptr %5, align 4
  %148 = insertvalue { ptr, i32 } poison, ptr %146, 0
  %149 = insertvalue { ptr, i32 } %148, i32 %147, 1
  resume { ptr, i32 } %149

150:                                              ; preds = %132
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; 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)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare i32 @puts(ptr noundef) #1

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = distinct !{!15, !11}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 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 i64, align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca i64, align 8
  %4 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %5 = 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)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = add nsw i64 %6, -1
  store i64 %7, ptr %1, align 8, !tbaa !5
  %.not45 = icmp eq i64 %6, 0
  br i1 %.not45, label %._crit_edge48, label %.lr.ph47

.lr.ph47:                                         ; preds = %0, %54
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %9 unwind label %13

9:                                                ; preds = %.lr.ph47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %.preheader unwind label %15

.preheader:                                       ; preds = %9
  %11 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %.not49 = icmp eq i64 %11, 0
  br i1 %.not49, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.024.lcssa = phi i64 [ 0, %.preheader ], [ %21, %.lr.ph ]
  %12 = load i64, ptr %3, align 8, !tbaa !5
  %.not29 = icmp sgt i64 %.024.lcssa, %12
  br i1 %.not29, label %27, label %25

13:                                               ; preds = %.lr.ph47
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %57

15:                                               ; preds = %9
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  br label %57

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.02334 = phi i64 [ %22, %.lr.ph ], [ 0, %.preheader ]
  %.02433 = phi i64 [ %21, %.lr.ph ], [ 0, %.preheader ]
  %17 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02334)
  %18 = load i8, ptr %17, align 1, !tbaa !9
  %19 = sext i8 %18 to i64
  %20 = add i64 %.02433, -48
  %21 = add i64 %20, %19
  %22 = add nuw nsw i64 %.02334, 1
  %23 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %24 = icmp ult i64 %22, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !10

25:                                               ; preds = %._crit_edge
  %26 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str)
  br label %54, !llvm.loop !12

27:                                               ; preds = %._crit_edge
  %28 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %.035 = add i64 %28, -1
  %29 = icmp sgt i64 %.035, -1
  %30 = load i64, ptr %3, align 8
  %31 = icmp sge i64 %.024.lcssa, %30
  %32 = select i1 %29, i1 %31, i1 false
  br i1 %32, label %.lr.ph42, label %._crit_edge43

._crit_edge43:                                    ; preds = %.lr.ph42, %27
  %.021.lcssa = phi i64 [ 0, %27 ], [ %45, %.lr.ph42 ]
  %33 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.021.lcssa)
  br label %54

.lr.ph42:                                         ; preds = %27, %.lr.ph42
  %.040 = phi i64 [ %.0, %.lr.ph42 ], [ %.035, %27 ]
  %.02039 = phi i64 [ %spec.select, %.lr.ph42 ], [ 0, %27 ]
  %.02138 = phi i64 [ %45, %.lr.ph42 ], [ 0, %27 ]
  %.02237 = phi i64 [ %49, %.lr.ph42 ], [ 1, %27 ]
  %.12536 = phi i64 [ %37, %.lr.ph42 ], [ %.024.lcssa, %27 ]
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.040)
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = sext i8 %35 to i64
  %.neg30 = add i64 %.12536, 48
  %37 = sub i64 %.neg30, %36
  %38 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.040)
  %39 = load i8, ptr %38, align 1, !tbaa !9
  %40 = sext i8 %39 to i64
  %41 = add nsw i64 %.02039, %40
  %42 = sub nsw i64 58, %41
  %43 = srem i64 %42, 10
  %44 = mul nsw i64 %43, %.02237
  %45 = add nsw i64 %44, %.02138
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.040)
  %47 = load i8, ptr %46, align 1, !tbaa !9
  %48 = icmp sgt i8 %47, 48
  %spec.select = select i1 %48, i64 1, i64 %.02039
  %49 = mul nuw nsw i64 %.02237, 10
  %.0 = add nsw i64 %.040, -1
  %50 = icmp ne i64 %.040, 0
  %51 = load i64, ptr %3, align 8
  %52 = icmp sge i64 %37, %51
  %53 = select i1 %50, i1 %52, i1 false
  br i1 %53, label %.lr.ph42, label %._crit_edge43, !llvm.loop !13

54:                                               ; preds = %._crit_edge43, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  %55 = load i64, ptr %1, align 8, !tbaa !5
  %56 = add nsw i64 %55, -1
  store i64 %56, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %55, 0
  br i1 %.not, label %._crit_edge48, label %.lr.ph47

57:                                               ; preds = %15, %13
  %.pn = phi { ptr, i32 } [ %16, %15 ], [ %14, %13 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn

._crit_edge48:                                    ; preds = %54, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #5

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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 = { "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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nofree nounwind "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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


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