; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/2253 (main)

; 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
@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [17 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::__cxx11::basic_string", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = 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
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  br label %10

10:                                               ; preds = %144, %0
  %11 = 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 %12 unwind label %26

12:                                               ; preds = %10
  %13 = load ptr, ptr %11, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %11, i64 %15
  %17 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %16)
          to label %18 unwind label %26

18:                                               ; preds = %12
  br i1 %17, label %19, label %145

19:                                               ; preds = %18
  store i32 0, ptr %6, align 4, !tbaa !8
  store i32 0, ptr %5, align 4, !tbaa !8
  store i32 0, ptr %4, align 4, !tbaa !8
  store i32 0, ptr %3, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !8
  br label %20

20:                                               ; preds = %115, %19
  %21 = load i32, ptr %9, align 4, !tbaa !8
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %23 = trunc i64 %22 to i32
  %24 = icmp slt i32 %21, %23
  br i1 %24, label %30, label %25

25:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %118

26:                                               ; preds = %141, %138, %12, %10
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %7, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %8, align 4
  br label %147

30:                                               ; preds = %20
  %31 = load i32, ptr %9, align 4, !tbaa !8
  %32 = sext i32 %31 to i64
  %33 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %32)
          to label %34 unwind label %57

34:                                               ; preds = %30
  %35 = load i8, ptr %33, align 1, !tbaa !11
  %36 = sext i8 %35 to i32
  %37 = load i32, ptr %9, align 4, !tbaa !8
  %38 = sext i32 %37 to i64
  %39 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %38)
          to label %40 unwind label %57

40:                                               ; preds = %34
  %41 = load i8, ptr %39, align 1, !tbaa !11
  %42 = sext i8 %41 to i32
  %43 = call i32 @toupper(i32 noundef %42) #7
  %44 = icmp eq i32 %36, %43
  br i1 %44, label %45, label %61

45:                                               ; preds = %40
  %46 = load i32, ptr %9, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %47)
          to label %49 unwind label %57

49:                                               ; preds = %45
  %50 = load i8, ptr %48, align 1, !tbaa !11
  %51 = sext i8 %50 to i32
  %52 = call i32 @isalpha(i32 noundef %51) #7
  %53 = icmp ne i32 %52, 0
  br i1 %53, label %54, label %61

54:                                               ; preds = %49
  %55 = load i32, ptr %4, align 4, !tbaa !8
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %4, align 4, !tbaa !8
  br label %114

57:                                               ; preds = %97, %88, %76, %65, %61, %45, %34, %30
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %7, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %147

61:                                               ; preds = %49, %40
  %62 = load i32, ptr %9, align 4, !tbaa !8
  %63 = sext i32 %62 to i64
  %64 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %63)
          to label %65 unwind label %57

65:                                               ; preds = %61
  %66 = load i8, ptr %64, align 1, !tbaa !11
  %67 = sext i8 %66 to i32
  %68 = load i32, ptr %9, align 4, !tbaa !8
  %69 = sext i32 %68 to i64
  %70 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %69)
          to label %71 unwind label %57

71:                                               ; preds = %65
  %72 = load i8, ptr %70, align 1, !tbaa !11
  %73 = sext i8 %72 to i32
  %74 = call i32 @tolower(i32 noundef %73) #7
  %75 = icmp eq i32 %67, %74
  br i1 %75, label %76, label %88

76:                                               ; preds = %71
  %77 = load i32, ptr %9, align 4, !tbaa !8
  %78 = sext i32 %77 to i64
  %79 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %78)
          to label %80 unwind label %57

80:                                               ; preds = %76
  %81 = load i8, ptr %79, align 1, !tbaa !11
  %82 = sext i8 %81 to i32
  %83 = call i32 @isalpha(i32 noundef %82) #7
  %84 = icmp ne i32 %83, 0
  br i1 %84, label %85, label %88

85:                                               ; preds = %80
  %86 = load i32, ptr %5, align 4, !tbaa !8
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %5, align 4, !tbaa !8
  br label %113

88:                                               ; preds = %80, %71
  %89 = load i32, ptr %9, align 4, !tbaa !8
  %90 = sext i32 %89 to i64
  %91 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %90)
          to label %92 unwind label %57

92:                                               ; preds = %88
  %93 = load i8, ptr %91, align 1, !tbaa !11
  %94 = sext i8 %93 to i32
  %95 = sub nsw i32 %94, 48
  %96 = icmp sge i32 %95, 0
  br i1 %96, label %97, label %109

97:                                               ; preds = %92
  %98 = load i32, ptr %9, align 4, !tbaa !8
  %99 = sext i32 %98 to i64
  %100 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %99)
          to label %101 unwind label %57

101:                                              ; preds = %97
  %102 = load i8, ptr %100, align 1, !tbaa !11
  %103 = sext i8 %102 to i32
  %104 = sub nsw i32 %103, 48
  %105 = icmp sle i32 %104, 9
  br i1 %105, label %106, label %109

106:                                              ; preds = %101
  %107 = load i32, ptr %3, align 4, !tbaa !8
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %3, align 4, !tbaa !8
  br label %112

109:                                              ; preds = %101, %92
  %110 = load i32, ptr %6, align 4, !tbaa !8
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %6, align 4, !tbaa !8
  br label %112

112:                                              ; preds = %109, %106
  br label %113

113:                                              ; preds = %112, %85
  br label %114

114:                                              ; preds = %113, %54
  br label %115

115:                                              ; preds = %114
  %116 = load i32, ptr %9, align 4, !tbaa !8
  %117 = add nsw i32 %116, 1
  store i32 %117, ptr %9, align 4, !tbaa !8
  br label %20, !llvm.loop !12

118:                                              ; preds = %25
  %119 = load i32, ptr %4, align 4, !tbaa !8
  %120 = icmp sge i32 %119, 1
  br i1 %120, label %121, label %141

121:                                              ; preds = %118
  %122 = load i32, ptr %5, align 4, !tbaa !8
  %123 = icmp sge i32 %122, 1
  br i1 %123, label %124, label %141

124:                                              ; preds = %121
  %125 = load i32, ptr %3, align 4, !tbaa !8
  %126 = icmp sge i32 %125, 1
  br i1 %126, label %127, label %141

127:                                              ; preds = %124
  %128 = load i32, ptr %6, align 4, !tbaa !8
  %129 = icmp eq i32 %128, 0
  br i1 %129, label %130, label %141

130:                                              ; preds = %127
  %131 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %132 = trunc i64 %131 to i32
  %133 = icmp sge i32 %132, 6
  br i1 %133, label %134, label %141

134:                                              ; preds = %130
  %135 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %136 = trunc i64 %135 to i32
  %137 = icmp sle i32 %136, 32
  br i1 %137, label %138, label %141

138:                                              ; preds = %134
  %139 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %140 unwind label %26

140:                                              ; preds = %138
  br label %144

141:                                              ; preds = %134, %130, %127, %124, %121, %118
  %142 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %143 unwind label %26

143:                                              ; preds = %141
  br label %144

144:                                              ; preds = %143, %140
  br label %10, !llvm.loop !14

145:                                              ; preds = %18
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %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 %2) #6
  %146 = load i32, ptr %1, align 4
  ret i32 %146

147:                                              ; preds = %57, %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %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 %2) #6
  br label %148

148:                                              ; preds = %147
  %149 = load ptr, ptr %7, align 8
  %150 = load i32, ptr %8, align 4
  %151 = insertvalue { ptr, i32 } poison, ptr %149, 0
  %152 = insertvalue { ptr, i32 } %151, i32 %150, 1
  resume { ptr, i32 } %152
}

; 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(...)

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #4 align 2

; 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: nounwind willreturn memory(read)
declare i32 @toupper(i32 noundef) #5

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isalpha(i32 noundef) #5

; Function Attrs: nounwind willreturn memory(read)
declare i32 @tolower(i32 noundef) #5

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

; 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) #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 = { 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 #5 = { nounwind willreturn memory(read) "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 }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!10, !10, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !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
@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [17 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::__cxx11::basic_string", align 8
  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
  br label %2

2:                                                ; preds = %.invoke, %0
  %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 %18

4:                                                ; preds = %2
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr i8, ptr %5, i64 -24
  %7 = load i64, ptr %6, align 8
  %8 = getelementptr inbounds i8, ptr %3, i64 %7
  %9 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %8)
          to label %10 unwind label %18

10:                                               ; preds = %4
  br i1 %9, label %.preheader, label %78

.preheader:                                       ; preds = %10
  %11 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %12 = trunc i64 %11 to i32
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %63, %.preheader
  %.030.lcssa = phi i32 [ 0, %.preheader ], [ %.131, %63 ]
  %.028.lcssa = phi i32 [ 0, %.preheader ], [ %.129, %63 ]
  %.026.lcssa = phi i32 [ 0, %.preheader ], [ %.127, %63 ]
  %.025.lcssa = phi i32 [ 0, %.preheader ], [ %.1, %63 ]
  %14 = icmp sgt i32 %.030.lcssa, 0
  %15 = icmp sgt i32 %.028.lcssa, 0
  %or.cond = select i1 %14, i1 %15, i1 false
  %16 = icmp sgt i32 %.025.lcssa, 0
  %or.cond3 = select i1 %or.cond, i1 %16, i1 false
  %17 = icmp eq i32 %.026.lcssa, 0
  %or.cond5 = select i1 %or.cond3, i1 %17, i1 false
  br i1 %or.cond5, label %67, label %75

18:                                               ; preds = %.invoke, %4, %2
  %19 = landingpad { ptr, i32 }
          cleanup
  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 } %19

.lr.ph:                                           ; preds = %.preheader, %63
  %indvars.iv = phi i64 [ %indvars.iv.next, %63 ], [ 0, %.preheader ]
  %.02536 = phi i32 [ %.1, %63 ], [ 0, %.preheader ]
  %.02635 = phi i32 [ %.127, %63 ], [ 0, %.preheader ]
  %.02834 = phi i32 [ %.129, %63 ], [ 0, %.preheader ]
  %.03033 = phi i32 [ %.131, %63 ], [ 0, %.preheader ]
  %20 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %21 = load i8, ptr %20, align 1, !tbaa !8
  %22 = sext i8 %21 to i32
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %24 = load i8, ptr %23, align 1, !tbaa !8
  %25 = sext i8 %24 to i32
  %26 = call i32 @toupper(i32 noundef %25) #7
  %27 = icmp eq i32 %26, %22
  br i1 %27, label %28, label %35

28:                                               ; preds = %.lr.ph
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %30 = load i8, ptr %29, align 1, !tbaa !8
  %31 = sext i8 %30 to i32
  %32 = call i32 @isalpha(i32 noundef %31) #7
  %.not = icmp eq i32 %32, 0
  br i1 %.not, label %35, label %33

33:                                               ; preds = %28
  %34 = add nsw i32 %.03033, 1
  br label %63

35:                                               ; preds = %28, %.lr.ph
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %37 = load i8, ptr %36, align 1, !tbaa !8
  %38 = sext i8 %37 to i32
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %40 = load i8, ptr %39, align 1, !tbaa !8
  %41 = sext i8 %40 to i32
  %42 = call i32 @tolower(i32 noundef %41) #7
  %43 = icmp eq i32 %42, %38
  br i1 %43, label %44, label %51

44:                                               ; preds = %35
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %46 = load i8, ptr %45, align 1, !tbaa !8
  %47 = sext i8 %46 to i32
  %48 = call i32 @isalpha(i32 noundef %47) #7
  %.not32 = icmp eq i32 %48, 0
  br i1 %.not32, label %51, label %49

49:                                               ; preds = %44
  %50 = add nsw i32 %.02834, 1
  br label %63

51:                                               ; preds = %44, %35
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %53 = load i8, ptr %52, align 1, !tbaa !8
  %54 = icmp sgt i8 %53, 47
  br i1 %54, label %55, label %61

55:                                               ; preds = %51
  %56 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %57 = load i8, ptr %56, align 1, !tbaa !8
  %58 = icmp slt i8 %57, 58
  br i1 %58, label %59, label %61

59:                                               ; preds = %55
  %60 = add nsw i32 %.02536, 1
  br label %63

61:                                               ; preds = %55, %51
  %62 = add nsw i32 %.02635, 1
  br label %63

63:                                               ; preds = %33, %59, %61, %49
  %.131 = phi i32 [ %34, %33 ], [ %.03033, %49 ], [ %.03033, %59 ], [ %.03033, %61 ]
  %.129 = phi i32 [ %.02834, %33 ], [ %50, %49 ], [ %.02834, %59 ], [ %.02834, %61 ]
  %.127 = phi i32 [ %.02635, %33 ], [ %.02635, %49 ], [ %.02635, %59 ], [ %62, %61 ]
  %.1 = phi i32 [ %.02536, %33 ], [ %.02536, %49 ], [ %60, %59 ], [ %.02536, %61 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %64 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %sext = shl i64 %64, 32
  %65 = ashr exact i64 %sext, 32
  %66 = icmp slt i64 %indvars.iv.next, %65
  br i1 %66, label %.lr.ph, label %._crit_edge, !llvm.loop !10

67:                                               ; preds = %._crit_edge
  %68 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %69 = trunc i64 %68 to i32
  %70 = icmp sgt i32 %69, 5
  br i1 %70, label %71, label %75

71:                                               ; preds = %67
  %72 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %73 = trunc i64 %72 to i32
  %74 = icmp slt i32 %73, 33
  br i1 %74, label %.invoke, label %75

75:                                               ; preds = %71, %67, %._crit_edge
  br label %.invoke

.invoke:                                          ; preds = %71, %75
  %76 = phi ptr [ @.str.1, %75 ], [ @.str, %71 ]
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %76)
          to label %2 unwind label %18, !llvm.loop !12

78:                                               ; preds = %10
  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
}

; 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(...)

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #4 align 2

; 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 nofree nounwind willreturn memory(read)
declare i32 @toupper(i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @isalpha(i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @tolower(i32 noundef) local_unnamed_addr #5

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

; 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 #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 = { 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 #5 = { mustprogress nofree nounwind willreturn memory(read) "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 }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!"omnipotent char", !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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