; LLVM IR from DionysiosB/CodeForces :: 1300-1399 (1389C-GoodString)

; 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::__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
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; 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 i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %14 = 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 %15

15:                                               ; preds = %128, %0
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = add nsw i64 %16, -1
  store i64 %17, ptr %2, align 8, !tbaa !5
  %18 = icmp ne i64 %16, 0
  br i1 %18, label %19, label %135

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %20 = 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 %21 unwind label %26

21:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %118, %21
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = icmp sle i32 %23, 9
  br i1 %24, label %30, label %25

25:                                               ; preds = %22
  store i32 4, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %121

26:                                               ; preds = %19
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %4, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %5, align 4
  br label %134

30:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %114, %30
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = icmp sle i32 %32, 9
  br i1 %33, label %35, label %34

34:                                               ; preds = %31
  store i32 7, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %117

35:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  store i8 0, ptr %10, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %36

36:                                               ; preds = %89, %35
  %37 = load i64, ptr %12, align 8, !tbaa !5
  %38 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %39 = icmp ult i64 %37, %38
  br i1 %39, label %41, label %40

40:                                               ; preds = %36
  store i32 10, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %92

41:                                               ; preds = %36
  %42 = load i8, ptr %10, align 1, !tbaa !11, !range !13, !noundef !14
  %43 = trunc i8 %42 to i1
  br i1 %43, label %44, label %66

44:                                               ; preds = %41
  %45 = load i64, ptr %12, align 8, !tbaa !5
  %46 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %45)
          to label %47 unwind label %62

47:                                               ; preds = %44
  %48 = load i8, ptr %46, align 1, !tbaa !15
  %49 = sext i8 %48 to i32
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = add nsw i32 48, %50
  %52 = icmp eq i32 %49, %51
  br i1 %52, label %53, label %66

53:                                               ; preds = %47
  %54 = load i64, ptr %11, align 8, !tbaa !5
  %55 = add nsw i64 %54, 1
  store i64 %55, ptr %11, align 8, !tbaa !5
  %56 = load i8, ptr %10, align 1, !tbaa !11, !range !13, !noundef !14
  %57 = trunc i8 %56 to i1
  %58 = zext i1 %57 to i32
  %59 = sub nsw i32 1, %58
  %60 = icmp ne i32 %59, 0
  %61 = zext i1 %60 to i8
  store i8 %61, ptr %10, align 1, !tbaa !11
  br label %88

62:                                               ; preds = %69, %44
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %4, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %133

66:                                               ; preds = %47, %41
  %67 = load i8, ptr %10, align 1, !tbaa !11, !range !13, !noundef !14
  %68 = trunc i8 %67 to i1
  br i1 %68, label %87, label %69

69:                                               ; preds = %66
  %70 = load i64, ptr %12, align 8, !tbaa !5
  %71 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %70)
          to label %72 unwind label %62

72:                                               ; preds = %69
  %73 = load i8, ptr %71, align 1, !tbaa !15
  %74 = sext i8 %73 to i32
  %75 = load i32, ptr %9, align 4, !tbaa !9
  %76 = add nsw i32 48, %75
  %77 = icmp eq i32 %74, %76
  br i1 %77, label %78, label %87

78:                                               ; preds = %72
  %79 = load i64, ptr %11, align 8, !tbaa !5
  %80 = add nsw i64 %79, 1
  store i64 %80, ptr %11, align 8, !tbaa !5
  %81 = load i8, ptr %10, align 1, !tbaa !11, !range !13, !noundef !14
  %82 = trunc i8 %81 to i1
  %83 = zext i1 %82 to i32
  %84 = sub nsw i32 1, %83
  %85 = icmp ne i32 %84, 0
  %86 = zext i1 %85 to i8
  store i8 %86, ptr %10, align 1, !tbaa !11
  br label %87

87:                                               ; preds = %78, %72, %66
  br label %88

88:                                               ; preds = %87, %53
  br label %89

89:                                               ; preds = %88
  %90 = load i64, ptr %12, align 8, !tbaa !5
  %91 = add nsw i64 %90, 1
  store i64 %91, ptr %12, align 8, !tbaa !5
  br label %36, !llvm.loop !16

92:                                               ; preds = %40
  %93 = load i32, ptr %7, align 4, !tbaa !9
  %94 = load i32, ptr %9, align 4, !tbaa !9
  %95 = icmp ne i32 %93, %94
  br i1 %95, label %96, label %100

96:                                               ; preds = %92
  %97 = load i64, ptr %11, align 8, !tbaa !5
  %98 = srem i64 %97, 2
  %99 = icmp ne i64 %98, 0
  br label %100

100:                                              ; preds = %96, %92
  %101 = phi i1 [ false, %92 ], [ %99, %96 ]
  %102 = zext i1 %101 to i64
  %103 = load i64, ptr %11, align 8, !tbaa !5
  %104 = sub nsw i64 %103, %102
  store i64 %104, ptr %11, align 8, !tbaa !5
  %105 = load i64, ptr %6, align 8, !tbaa !5
  %106 = load i64, ptr %11, align 8, !tbaa !5
  %107 = icmp sgt i64 %105, %106
  br i1 %107, label %108, label %110

108:                                              ; preds = %100
  %109 = load i64, ptr %6, align 8, !tbaa !5
  br label %112

110:                                              ; preds = %100
  %111 = load i64, ptr %11, align 8, !tbaa !5
  br label %112

112:                                              ; preds = %110, %108
  %113 = phi i64 [ %109, %108 ], [ %111, %110 ]
  store i64 %113, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %114

114:                                              ; preds = %112
  %115 = load i32, ptr %9, align 4, !tbaa !9
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %9, align 4, !tbaa !9
  br label %31, !llvm.loop !18

117:                                              ; preds = %34
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %7, align 4, !tbaa !9
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %7, align 4, !tbaa !9
  br label %22, !llvm.loop !19

121:                                              ; preds = %25
  %122 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %123 = load i64, ptr %6, align 8, !tbaa !5
  %124 = sub i64 %122, %123
  %125 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %124)
          to label %126 unwind label %129

126:                                              ; preds = %121
  %127 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %125, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %128 unwind label %129

128:                                              ; preds = %126
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  br label %15, !llvm.loop !20

129:                                              ; preds = %126, %121
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %4, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %5, align 4
  br label %133

133:                                              ; preds = %129, %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %134

134:                                              ; preds = %133, %26
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %137

135:                                              ; preds = %15
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %136 = load i32, ptr %1, align 4
  ret i32 %136

137:                                              ; preds = %134
  %138 = load ptr, ptr %4, align 8
  %139 = load i32, ptr %5, align 4
  %140 = insertvalue { ptr, i32 } poison, ptr %138, 0
  %141 = insertvalue { ptr, i32 } %140, i32 %139, 1
  resume { ptr, i32 } %141
}

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

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { 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 = { 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 = !{!"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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = distinct !{!18, !17}
!19 = distinct !{!19, !17}
!20 = distinct !{!20, !17}


; 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::__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
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; 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 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %4 = 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)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = add nsw i64 %5, -1
  store i64 %6, ptr %1, align 8, !tbaa !5
  %.not51 = icmp eq i64 %5, 0
  br i1 %.not51, label %._crit_edge54, label %.lr.ph53

.lr.ph53:                                         ; preds = %0, %38
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %7 = 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 %.preheader42 unwind label %13

.preheader42:                                     ; preds = %.lr.ph53, %17
  %.03150 = phi i32 [ %18, %17 ], [ 0, %.lr.ph53 ]
  %.03249 = phi i64 [ %23, %17 ], [ 0, %.lr.ph53 ]
  %8 = or disjoint i32 %.03150, 48
  br label %.preheader

9:                                                ; preds = %17
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %11 = sub i64 %10, %23
  %12 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %11)
          to label %36 unwind label %41

13:                                               ; preds = %.lr.ph53
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %43

.preheader:                                       ; preds = %.preheader42, %._crit_edge
  %.03048 = phi i32 [ 0, %.preheader42 ], [ %24, %._crit_edge ]
  %.13347 = phi i64 [ %.03249, %.preheader42 ], [ %23, %._crit_edge ]
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %.not55 = icmp eq i64 %15, 0
  br i1 %.not55, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %16 = or disjoint i32 %.03048, 48
  br label %25

17:                                               ; preds = %._crit_edge
  %18 = add nuw nsw i32 %.03150, 1
  %exitcond56.not = icmp eq i32 %18, 10
  br i1 %exitcond56.not, label %9, label %.preheader42, !llvm.loop !9

._crit_edge:                                      ; preds = %32, %.preheader
  %.027.lcssa = phi i64 [ 0, %.preheader ], [ %.1, %32 ]
  %.not37 = icmp ne i32 %.03150, %.03048
  %19 = and i64 %.027.lcssa, 1
  %20 = icmp ne i64 %19, 0
  %21 = select i1 %.not37, i1 %20, i1 false
  %.neg = sext i1 %21 to i64
  %22 = add i64 %.027.lcssa, %.neg
  %23 = call i64 @llvm.smax.i64(i64 %.13347, i64 %22)
  %24 = add nuw nsw i32 %.03048, 1
  %exitcond.not = icmp eq i32 %24, 10
  br i1 %exitcond.not, label %17, label %.preheader, !llvm.loop !11

25:                                               ; preds = %.lr.ph, %32
  %.046 = phi i64 [ 0, %.lr.ph ], [ %33, %32 ]
  %.02745 = phi i64 [ 0, %.lr.ph ], [ %.1, %32 ]
  %.02844 = phi i1 [ false, %.lr.ph ], [ %.129, %32 ]
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.046)
  %27 = load i8, ptr %26, align 1, !tbaa !12
  %28 = sext i8 %27 to i32
  br i1 %.02844, label %29, label %.critedge

29:                                               ; preds = %25
  %30 = icmp eq i32 %8, %28
  %not. = xor i1 %30, true
  br label %32

.critedge:                                        ; preds = %25
  %31 = icmp eq i32 %16, %28
  br label %32

32:                                               ; preds = %29, %.critedge
  %.129 = phi i1 [ %31, %.critedge ], [ %not., %29 ]
  %.pn41.in = phi i1 [ %31, %.critedge ], [ %30, %29 ]
  %.pn41 = zext i1 %.pn41.in to i64
  %.1 = add nuw nsw i64 %.02745, %.pn41
  %33 = add nuw nsw i64 %.046, 1
  %34 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %35 = icmp ult i64 %33, %34
  br i1 %35, label %25, label %._crit_edge, !llvm.loop !13

36:                                               ; preds = %9
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %38 unwind label %41

38:                                               ; preds = %36
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  %39 = load i64, ptr %1, align 8, !tbaa !5
  %40 = add nsw i64 %39, -1
  store i64 %40, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %39, 0
  br i1 %.not, label %._crit_edge54, label %.lr.ph53, !llvm.loop !14

41:                                               ; preds = %36, %9
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %43

43:                                               ; preds = %41, %13
  %.pn = phi { ptr, i32 } [ %42, %41 ], [ %14, %13 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn

._crit_edge54:                                    ; preds = %38, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #3 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #6

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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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