; LLVM IR from abhisheknaiidu/dsa :: Other/Codechef/Cook-Off/Jan (password)

; 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.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14abhisheknaiiduv() #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  %13 = alloca i8, align 1
  %14 = alloca i8, align 1
  %15 = alloca i8, align 1
  %16 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @_Z14abhisheknaiiduv()
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  br label %18

18:                                               ; preds = %142, %140, %2
  %19 = load i32, ptr %6, align 4, !tbaa !5
  %20 = add nsw i32 %19, -1
  store i32 %20, ptr %6, align 4, !tbaa !5
  %21 = icmp ne i32 %19, 0
  br i1 %21, label %22, label %146

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  %23 = 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) %7)
          to label %24 unwind label %34

24:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %25 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  %26 = trunc i64 %25 to i32
  store i32 %26, ptr %10, align 4, !tbaa !5
  %27 = load i32, ptr %10, align 4, !tbaa !5
  %28 = icmp slt i32 %27, 10
  br i1 %28, label %29, label %42

29:                                               ; preds = %24
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %31 unwind label %38

31:                                               ; preds = %29
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %30, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %33 unwind label %38

33:                                               ; preds = %31
  store i32 2, ptr %11, align 4
  br label %140, !llvm.loop !11

34:                                               ; preds = %22
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %8, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %9, align 4
  br label %145

38:                                               ; preds = %31, %29
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %8, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %9, align 4
  br label %144

42:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #7
  store i8 0, ptr %12, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #7
  store i8 0, ptr %13, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #7
  store i8 0, ptr %14, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #7
  store i8 0, ptr %15, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  store i32 1, ptr %16, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %110, %42
  %44 = load i32, ptr %16, align 4, !tbaa !5
  %45 = load i32, ptr %10, align 4, !tbaa !5
  %46 = sub nsw i32 %45, 1
  %47 = icmp slt i32 %44, %46
  br i1 %47, label %49, label %48

48:                                               ; preds = %43
  store i32 4, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %113

49:                                               ; preds = %43
  %50 = load i32, ptr %16, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %51)
          to label %53 unwind label %59

53:                                               ; preds = %49
  %54 = load i8, ptr %52, align 1, !tbaa !15
  %55 = sext i8 %54 to i32
  %56 = call i32 @islower(i32 noundef %55) #8
  %57 = icmp ne i32 %56, 0
  br i1 %57, label %58, label %63

58:                                               ; preds = %53
  store i8 1, ptr %12, align 1, !tbaa !13
  br label %63

59:                                               ; preds = %103, %98, %93, %88, %83, %73, %63, %49
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %8, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %143

63:                                               ; preds = %58, %53
  %64 = load i32, ptr %16, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %65)
          to label %67 unwind label %59

67:                                               ; preds = %63
  %68 = load i8, ptr %66, align 1, !tbaa !15
  %69 = sext i8 %68 to i32
  %70 = call i32 @isupper(i32 noundef %69) #8
  %71 = icmp ne i32 %70, 0
  br i1 %71, label %72, label %73

72:                                               ; preds = %67
  store i8 1, ptr %13, align 1, !tbaa !13
  br label %73

73:                                               ; preds = %72, %67
  %74 = load i32, ptr %16, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %75)
          to label %77 unwind label %59

77:                                               ; preds = %73
  %78 = load i8, ptr %76, align 1, !tbaa !15
  %79 = sext i8 %78 to i32
  %80 = call i32 @isdigit(i32 noundef %79) #8
  %81 = icmp ne i32 %80, 0
  br i1 %81, label %82, label %83

82:                                               ; preds = %77
  store i8 1, ptr %14, align 1, !tbaa !13
  br label %83

83:                                               ; preds = %82, %77
  %84 = load i32, ptr %16, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %85)
          to label %87 unwind label %59

87:                                               ; preds = %83
  store i8 64, ptr %86, align 1, !tbaa !15
  br i1 true, label %108, label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %16, align 4, !tbaa !5
  %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) %7, i64 noundef %90)
          to label %92 unwind label %59

92:                                               ; preds = %88
  store i8 35, ptr %91, align 1, !tbaa !15
  br i1 true, label %108, label %93

93:                                               ; preds = %92
  %94 = load i32, ptr %16, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %95)
          to label %97 unwind label %59

97:                                               ; preds = %93
  store i8 37, ptr %96, align 1, !tbaa !15
  br i1 true, label %108, label %98

98:                                               ; preds = %97
  %99 = load i32, ptr %16, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %100)
          to label %102 unwind label %59

102:                                              ; preds = %98
  store i8 38, ptr %101, align 1, !tbaa !15
  br i1 true, label %108, label %103

103:                                              ; preds = %102
  %104 = load i32, ptr %16, align 4, !tbaa !5
  %105 = sext i32 %104 to i64
  %106 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %105)
          to label %107 unwind label %59

107:                                              ; preds = %103
  store i8 63, ptr %106, align 1, !tbaa !15
  br i1 true, label %108, label %109

108:                                              ; preds = %107, %102, %97, %92, %87
  store i8 1, ptr %15, align 1, !tbaa !13
  br label %109

109:                                              ; preds = %108, %107
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %16, align 4, !tbaa !5
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %16, align 4, !tbaa !5
  br label %43, !llvm.loop !16

113:                                              ; preds = %48
  %114 = load i8, ptr %12, align 1, !tbaa !13, !range !17, !noundef !18
  %115 = trunc i8 %114 to i1
  br i1 %115, label %116, label %134

116:                                              ; preds = %113
  %117 = load i8, ptr %13, align 1, !tbaa !13, !range !17, !noundef !18
  %118 = trunc i8 %117 to i1
  br i1 %118, label %119, label %134

119:                                              ; preds = %116
  %120 = load i8, ptr %14, align 1, !tbaa !13, !range !17, !noundef !18
  %121 = trunc i8 %120 to i1
  br i1 %121, label %122, label %134

122:                                              ; preds = %119
  %123 = load i8, ptr %15, align 1, !tbaa !13, !range !17, !noundef !18
  %124 = trunc i8 %123 to i1
  br i1 %124, label %125, label %134

125:                                              ; preds = %122
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %127 unwind label %130

127:                                              ; preds = %125
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %126, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %129 unwind label %130

129:                                              ; preds = %127
  br label %139

130:                                              ; preds = %136, %134, %127, %125
  %131 = landingpad { ptr, i32 }
          cleanup
  %132 = extractvalue { ptr, i32 } %131, 0
  store ptr %132, ptr %8, align 8
  %133 = extractvalue { ptr, i32 } %131, 1
  store i32 %133, ptr %9, align 4
  br label %143

134:                                              ; preds = %122, %119, %116, %113
  %135 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %136 unwind label %130

136:                                              ; preds = %134
  %137 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %135, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %138 unwind label %130

138:                                              ; preds = %136
  br label %139

139:                                              ; preds = %138, %129
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #7
  store i32 0, ptr %11, align 4
  br label %140

140:                                              ; preds = %139, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #7
  %141 = load i32, ptr %11, align 4
  switch i32 %141, label %153 [
    i32 0, label %142
    i32 2, label %18
  ]

142:                                              ; preds = %140
  br label %18, !llvm.loop !11

143:                                              ; preds = %130, %59
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #7
  br label %144

144:                                              ; preds = %143, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %145

145:                                              ; preds = %144, %34
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %148

146:                                              ; preds = %18
  store i32 0, ptr %3, align 4
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  %147 = load i32, ptr %3, align 4
  ret i32 %147

148:                                              ; preds = %145
  %149 = load ptr, ptr %8, align 8
  %150 = load i32, ptr %9, align 4
  %151 = insertvalue { ptr, i32 } poison, ptr %149, 0
  %152 = insertvalue { ptr, i32 } %151, i32 %150, 1
  resume { ptr, i32 } %152

153:                                              ; preds = %140
  unreachable
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; 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)) #3

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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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: nounwind willreturn memory(read)
declare i32 @islower(i32 noundef) #6

; 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: nounwind willreturn memory(read)
declare i32 @isupper(i32 noundef) #6

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isdigit(i32 noundef) #6

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

; 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 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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 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 #7 = { nounwind }
attributes #8 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !12}
!17 = !{i8 0, i8 2}
!18 = !{}


; 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.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14abhisheknaiiduv() local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  tail call void @_Z14abhisheknaiiduv()
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %3, align 4, !tbaa !5
  %.not38 = icmp eq i32 %6, 0
  br i1 %.not38, label %._crit_edge41, label %.lr.ph40

.lr.ph40:                                         ; preds = %2, %40
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %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) %4)
          to label %9 unwind label %18

9:                                                ; preds = %.lr.ph40
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %11 = trunc i64 %10 to i32
  %12 = icmp slt i32 %11, 10
  br i1 %12, label %14, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %9
  %13 = add i64 %10, 4294967295
  %wide.trip.count = and i64 %13, 4294967295
  br label %.lr.ph

14:                                               ; preds = %9
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
          to label %16 unwind label %20

16:                                               ; preds = %14
  %17 = 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 %40 unwind label %20, !llvm.loop !9

18:                                               ; preds = %.lr.ph40
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %43

20:                                               ; preds = %16, %14
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %43

._crit_edge:                                      ; preds = %.lr.ph
  %22 = select i1 %spec.select, i1 %.117, i1 false
  %or.cond = select i1 %22, i1 %.1, i1 false
  %23 = select i1 %or.cond, ptr @.str.5, ptr @.str.4
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %23)
          to label %.invoke unwind label %37

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %.01533 = phi i1 [ false, %.lr.ph.preheader ], [ %.1, %.lr.ph ]
  %.01632 = phi i1 [ false, %.lr.ph.preheader ], [ %.117, %.lr.ph ]
  %.01831 = phi i1 [ false, %.lr.ph.preheader ], [ %spec.select, %.lr.ph ]
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %indvars.iv)
  %26 = load i8, ptr %25, align 1, !tbaa !11
  %27 = sext i8 %26 to i32
  %28 = call i32 @islower(i32 noundef %27) #8
  %.not25 = icmp ne i32 %28, 0
  %spec.select = select i1 %.not25, i1 true, i1 %.01831
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %indvars.iv)
  %30 = load i8, ptr %29, align 1, !tbaa !11
  %31 = sext i8 %30 to i32
  %32 = call i32 @isupper(i32 noundef %31) #8
  %.not26 = icmp ne i32 %32, 0
  %.117 = select i1 %.not26, i1 true, i1 %.01632
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %indvars.iv)
  %34 = load i8, ptr %33, align 1, !tbaa !11
  %35 = sext i8 %34 to i32
  %isdigittmp = add nsw i32 %35, -48
  %isdigit = icmp ult i32 %isdigittmp, 10
  %.1 = select i1 %isdigit, i1 true, i1 %.01533
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %indvars.iv)
  store i8 64, ptr %36, align 1, !tbaa !11
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

37:                                               ; preds = %._crit_edge, %.invoke
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %43

.invoke:                                          ; preds = %._crit_edge
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %40 unwind label %37

40:                                               ; preds = %.invoke, %16
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  %41 = load i32, ptr %3, align 4, !tbaa !5
  %42 = add nsw i32 %41, -1
  store i32 %42, ptr %3, align 4, !tbaa !5
  %.not = icmp eq i32 %41, 0
  br i1 %.not, label %._crit_edge41, label %.lr.ph40

43:                                               ; preds = %20, %37, %18
  %.pn.pn = phi { ptr, i32 } [ %19, %18 ], [ %21, %20 ], [ %38, %37 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  resume { ptr, i32 } %.pn.pn

._crit_edge41:                                    ; preds = %40, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  ret i32 0
}

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

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 #3

; 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 #3

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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 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 nofree nounwind willreturn memory(read)
declare i32 @islower(i32 noundef) local_unnamed_addr #6

; 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 nofree nounwind willreturn memory(read)
declare i32 @isupper(i32 noundef) local_unnamed_addr #6

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

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = { 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 #7 = { nounwind }
attributes #8 = { 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 = !{!"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}


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