; LLVM IR from DionysiosB/CodeForces :: 0400-0499 (443B-KolyaAndTandemRepeat)

; 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 %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i8, align 1
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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 %14 unwind label %27

14:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %16 unwind label %31

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %17 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %18 = trunc i64 %17 to i32
  store i32 %18, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %107, %16
  %20 = load i32, ptr %8, align 4, !tbaa !5
  %21 = mul nsw i32 2, %20
  %22 = load i32, ptr %6, align 4, !tbaa !5
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = add nsw i32 %22, %23
  %25 = icmp sle i32 %21, %24
  br i1 %25, label %35, label %26

26:                                               ; preds = %19
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %110

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %3, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %4, align 4
  br label %123

31:                                               ; preds = %14
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %3, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %4, align 4
  br label %122

35:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %36

36:                                               ; preds = %103, %35
  %37 = load i32, ptr %10, align 4, !tbaa !5
  %38 = load i32, ptr %8, align 4, !tbaa !5
  %39 = mul nsw i32 2, %38
  %40 = add nsw i32 %37, %39
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = add nsw i32 %41, %42
  %44 = icmp sle i32 %40, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %36
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %106

46:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #6
  store i8 1, ptr %11, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %92, %46
  %48 = load i32, ptr %12, align 4, !tbaa !5
  %49 = load i32, ptr %8, align 4, !tbaa !5
  %50 = icmp slt i32 %48, %49
  br i1 %50, label %52, label %51

51:                                               ; preds = %47
  store i32 8, ptr %9, align 4
  br label %95

52:                                               ; preds = %47
  %53 = load i32, ptr %10, align 4, !tbaa !5
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = add nsw i32 %53, %54
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = icmp sge i32 %55, %56
  br i1 %57, label %86, label %58

58:                                               ; preds = %52
  %59 = load i32, ptr %10, align 4, !tbaa !5
  %60 = load i32, ptr %8, align 4, !tbaa !5
  %61 = add nsw i32 %59, %60
  %62 = load i32, ptr %12, align 4, !tbaa !5
  %63 = add nsw i32 %61, %62
  %64 = load i32, ptr %6, align 4, !tbaa !5
  %65 = icmp sge i32 %63, %64
  br i1 %65, label %86, label %66

66:                                               ; preds = %58
  %67 = load i32, ptr %10, align 4, !tbaa !5
  %68 = load i32, ptr %12, align 4, !tbaa !5
  %69 = add nsw i32 %67, %68
  %70 = sext i32 %69 to i64
  %71 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %70)
          to label %72 unwind label %87

72:                                               ; preds = %66
  %73 = load i8, ptr %71, align 1, !tbaa !11
  %74 = sext i8 %73 to i32
  %75 = load i32, ptr %10, align 4, !tbaa !5
  %76 = load i32, ptr %8, align 4, !tbaa !5
  %77 = add nsw i32 %75, %76
  %78 = load i32, ptr %12, align 4, !tbaa !5
  %79 = add nsw i32 %77, %78
  %80 = sext i32 %79 to i64
  %81 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %80)
          to label %82 unwind label %87

82:                                               ; preds = %72
  %83 = load i8, ptr %81, align 1, !tbaa !11
  %84 = sext i8 %83 to i32
  %85 = icmp eq i32 %74, %84
  br i1 %85, label %86, label %91

86:                                               ; preds = %82, %58, %52
  br label %92

87:                                               ; preds = %72, %66
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %3, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %121

91:                                               ; preds = %82
  store i8 0, ptr %11, align 1, !tbaa !9
  store i32 8, ptr %9, align 4
  br label %95

92:                                               ; preds = %86
  %93 = load i32, ptr %12, align 4, !tbaa !5
  %94 = add nsw i32 %93, 1
  store i32 %94, ptr %12, align 4, !tbaa !5
  br label %47, !llvm.loop !12

95:                                               ; preds = %91, %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %96

96:                                               ; preds = %95
  %97 = load i8, ptr %11, align 1, !tbaa !9, !range !14, !noundef !15
  %98 = trunc i8 %97 to i1
  br i1 %98, label %99, label %102

99:                                               ; preds = %96
  %100 = load i32, ptr %8, align 4, !tbaa !5
  %101 = mul nsw i32 2, %100
  store i32 %101, ptr %7, align 4, !tbaa !5
  br label %102

102:                                              ; preds = %99, %96
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  br label %103

103:                                              ; preds = %102
  %104 = load i32, ptr %10, align 4, !tbaa !5
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %10, align 4, !tbaa !5
  br label %36, !llvm.loop !16

106:                                              ; preds = %45
  br label %107

107:                                              ; preds = %106
  %108 = load i32, ptr %8, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %8, align 4, !tbaa !5
  br label %19, !llvm.loop !17

110:                                              ; preds = %26
  %111 = load i32, ptr %7, align 4, !tbaa !5
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %111)
          to label %113 unwind label %117

113:                                              ; preds = %110
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %112, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %115 unwind label %117

115:                                              ; preds = %113
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #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 %2) #6
  %116 = load i32, ptr %1, align 4
  ret i32 %116

117:                                              ; preds = %113, %110
  %118 = landingpad { ptr, i32 }
          cleanup
  %119 = extractvalue { ptr, i32 } %118, 0
  store ptr %119, ptr %3, align 8
  %120 = extractvalue { ptr, i32 } %118, 1
  store i32 %120, ptr %4, align 4
  br label %121

121:                                              ; preds = %117, %87
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %122

122:                                              ; preds = %121, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %123

123:                                              ; preds = %122, %27
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  br label %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %3, align 8
  %126 = load i32, ptr %4, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 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)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { "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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !13}
!17 = distinct !{!17, !13}


; 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 %"class.std::__cxx11::basic_string", align 8
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %3 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %1)
          to label %4 unwind label %16

4:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %5 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %6 unwind label %18

6:                                                ; preds = %4
  %7 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %8 = trunc i64 %7 to i32
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = add nsw i32 %9, %8
  %.not50 = icmp slt i32 %10, 2
  br i1 %.not50, label %._crit_edge53, label %.preheader45.preheader

.preheader45.preheader:                           ; preds = %6
  %sext = shl i64 %7, 32
  %11 = ashr exact i64 %sext, 32
  br label %.preheader45

.preheader45:                                     ; preds = %.preheader45.preheader, %._crit_edge
  %12 = phi i32 [ %9, %.preheader45.preheader ], [ %21, %._crit_edge ]
  %indvars.iv59 = phi i64 [ 1, %.preheader45.preheader ], [ %indvars.iv.next60, %._crit_edge ]
  %13 = phi i32 [ 2, %.preheader45.preheader ], [ %22, %._crit_edge ]
  %.03051 = phi i32 [ 0, %.preheader45.preheader ], [ %.1.lcssa, %._crit_edge ]
  %14 = add nsw i32 %12, %8
  %.not4147 = icmp sgt i32 %13, %14
  br i1 %.not4147, label %._crit_edge, label %.preheader

._crit_edge53:                                    ; preds = %._crit_edge, %6
  %.030.lcssa = phi i32 [ 0, %6 ], [ %.1.lcssa, %._crit_edge ]
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.030.lcssa)
          to label %40 unwind label %43

16:                                               ; preds = %0
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %46

18:                                               ; preds = %4
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %45

.preheader:                                       ; preds = %.preheader45, %35
  %indvars.iv56 = phi i64 [ %indvars.iv.next57, %35 ], [ 0, %.preheader45 ]
  %.148 = phi i32 [ %spec.select, %35 ], [ %.03051, %.preheader45 ]
  %20 = add nuw nsw i64 %indvars.iv56, %indvars.iv59
  br label %23

._crit_edge:                                      ; preds = %35, %.preheader45
  %.pre-phi = phi i32 [ %14, %.preheader45 ], [ %37, %35 ]
  %21 = phi i32 [ %12, %.preheader45 ], [ %36, %35 ]
  %.1.lcssa = phi i32 [ %.03051, %.preheader45 ], [ %spec.select, %35 ]
  %indvars.iv.next60 = add nuw nsw i64 %indvars.iv59, 1
  %indvars.iv.next60.tr = trunc i64 %indvars.iv.next60 to i32
  %22 = shl i32 %indvars.iv.next60.tr, 1
  %.not = icmp sgt i32 %22, %.pre-phi
  br i1 %.not, label %._crit_edge53, label %.preheader45, !llvm.loop !9

23:                                               ; preds = %.preheader, %34
  %indvars.iv = phi i64 [ 0, %.preheader ], [ %indvars.iv.next, %34 ]
  %24 = add nuw nsw i64 %indvars.iv, %indvars.iv56
  %.not42 = icmp slt i64 %24, %11
  br i1 %.not42, label %25, label %34

25:                                               ; preds = %23
  %26 = add nuw nsw i64 %20, %indvars.iv
  %27 = trunc nuw i64 %26 to i32
  %.not43 = icmp slt i32 %27, %8
  br i1 %.not43, label %28, label %34

28:                                               ; preds = %25
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %24)
  %30 = load i8, ptr %29, align 1, !tbaa !11
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %26)
  %32 = load i8, ptr %31, align 1, !tbaa !11
  %33 = icmp eq i8 %30, %32
  br i1 %33, label %34, label %35

34:                                               ; preds = %23, %25, %28
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %indvars.iv59
  br i1 %exitcond.not, label %35, label %23, !llvm.loop !12

35:                                               ; preds = %28, %34
  %spec.select = phi i32 [ %.148, %28 ], [ %13, %34 ]
  %indvars.iv.next57 = add nuw nsw i64 %indvars.iv56, 1
  %36 = load i32, ptr %2, align 4, !tbaa !5
  %37 = add nsw i32 %36, %8
  %38 = trunc i64 %indvars.iv.next57 to i32
  %39 = add i32 %13, %38
  %.not41 = icmp sgt i32 %39, %37
  br i1 %.not41, label %._crit_edge, label %.preheader, !llvm.loop !13

40:                                               ; preds = %._crit_edge53
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %42 unwind label %43

42:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  ret i32 0

43:                                               ; preds = %40, %._crit_edge53
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %45

45:                                               ; preds = %43, %18
  %.pn = phi { ptr, i32 } [ %44, %43 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  br label %46

46:                                               ; preds = %45, %16
  %.pn.pn = phi { ptr, i32 } [ %.pn, %45 ], [ %17, %16 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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 #3

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; 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 #5 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)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { "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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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