; LLVM IR from viveakrt/Competitive-programing :: Codeforces (CF 1509B)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %16

16:                                               ; preds = %166, %0
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %2, align 8, !tbaa !5
  %19 = icmp ne i64 %17, 0
  br i1 %19, label %20, label %170

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %23 unwind label %29

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %51, %23
  %25 = load i64, ptr %10, align 8, !tbaa !5
  %26 = load i64, ptr %3, align 8, !tbaa !5
  %27 = icmp slt i64 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %54

29:                                               ; preds = %20
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %5, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %6, align 4
  br label %169

33:                                               ; preds = %24
  %34 = load i64, ptr %10, align 8, !tbaa !5
  %35 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %34)
          to label %36 unwind label %43

36:                                               ; preds = %33
  %37 = load i8, ptr %35, align 1, !tbaa !9
  %38 = sext i8 %37 to i32
  %39 = icmp eq i32 %38, 84
  br i1 %39, label %40, label %47

40:                                               ; preds = %36
  %41 = load i64, ptr %8, align 8, !tbaa !5
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %8, align 8, !tbaa !5
  br label %50

43:                                               ; preds = %33
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %5, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %168

47:                                               ; preds = %36
  %48 = load i64, ptr %9, align 8, !tbaa !5
  %49 = add nsw i64 %48, 1
  store i64 %49, ptr %9, align 8, !tbaa !5
  br label %50

50:                                               ; preds = %47, %40
  br label %51

51:                                               ; preds = %50
  %52 = load i64, ptr %10, align 8, !tbaa !5
  %53 = add nsw i64 %52, 1
  store i64 %53, ptr %10, align 8, !tbaa !5
  br label %24, !llvm.loop !10

54:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %55 = load i64, ptr %3, align 8, !tbaa !5
  %56 = sdiv i64 %55, 3
  store i64 %56, ptr %11, align 8, !tbaa !5
  %57 = load i64, ptr %11, align 8, !tbaa !5
  %58 = load i64, ptr %9, align 8, !tbaa !5
  %59 = icmp ne i64 %57, %58
  br i1 %59, label %74, label %60

60:                                               ; preds = %54
  %61 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef 0)
          to label %62 unwind label %75

62:                                               ; preds = %60
  %63 = load i8, ptr %61, align 1, !tbaa !9
  %64 = sext i8 %63 to i32
  %65 = icmp eq i32 %64, 77
  br i1 %65, label %74, label %66

66:                                               ; preds = %62
  %67 = load i64, ptr %3, align 8, !tbaa !5
  %68 = sub nsw i64 %67, 1
  %69 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %68)
          to label %70 unwind label %75

70:                                               ; preds = %66
  %71 = load i8, ptr %69, align 1, !tbaa !9
  %72 = sext i8 %71 to i32
  %73 = icmp eq i32 %72, 77
  br i1 %73, label %74, label %79

74:                                               ; preds = %70, %62, %54
  store i64 1, ptr %7, align 8, !tbaa !5
  br label %79

75:                                               ; preds = %164, %158, %66, %60
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %5, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %6, align 4
  br label %167

79:                                               ; preds = %74, %70
  store i64 0, ptr %8, align 8, !tbaa !5
  store i64 0, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %80

80:                                               ; preds = %114, %79
  %81 = load i64, ptr %12, align 8, !tbaa !5
  %82 = load i64, ptr %3, align 8, !tbaa !5
  %83 = icmp slt i64 %81, %82
  br i1 %83, label %84, label %88

84:                                               ; preds = %80
  %85 = load i64, ptr %7, align 8, !tbaa !5
  %86 = icmp ne i64 %85, 0
  %87 = xor i1 %86, true
  br label %88

88:                                               ; preds = %84, %80
  %89 = phi i1 [ false, %80 ], [ %87, %84 ]
  br i1 %89, label %91, label %90

90:                                               ; preds = %88
  store i32 7, ptr %13, align 4
  br label %117

91:                                               ; preds = %88
  %92 = load i64, ptr %12, align 8, !tbaa !5
  %93 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %92)
          to label %94 unwind label %101

94:                                               ; preds = %91
  %95 = load i8, ptr %93, align 1, !tbaa !9
  %96 = sext i8 %95 to i32
  %97 = icmp eq i32 %96, 84
  br i1 %97, label %98, label %105

98:                                               ; preds = %94
  %99 = load i64, ptr %8, align 8, !tbaa !5
  %100 = add nsw i64 %99, 1
  store i64 %100, ptr %8, align 8, !tbaa !5
  br label %113

101:                                              ; preds = %91
  %102 = landingpad { ptr, i32 }
          cleanup
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %5, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %167

105:                                              ; preds = %94
  %106 = load i64, ptr %9, align 8, !tbaa !5
  %107 = add nsw i64 %106, 1
  store i64 %107, ptr %9, align 8, !tbaa !5
  %108 = load i64, ptr %9, align 8, !tbaa !5
  %109 = load i64, ptr %8, align 8, !tbaa !5
  %110 = icmp sgt i64 %108, %109
  br i1 %110, label %111, label %112

111:                                              ; preds = %105
  store i64 1, ptr %7, align 8, !tbaa !5
  store i32 7, ptr %13, align 4
  br label %117

112:                                              ; preds = %105
  br label %113

113:                                              ; preds = %112, %98
  br label %114

114:                                              ; preds = %113
  %115 = load i64, ptr %12, align 8, !tbaa !5
  %116 = add nsw i64 %115, 1
  store i64 %116, ptr %12, align 8, !tbaa !5
  br label %80, !llvm.loop !12

117:                                              ; preds = %111, %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %118

118:                                              ; preds = %117
  store i64 0, ptr %8, align 8, !tbaa !5
  store i64 0, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %119 = load i64, ptr %3, align 8, !tbaa !5
  %120 = sub nsw i64 %119, 1
  store i64 %120, ptr %14, align 8, !tbaa !5
  br label %121

121:                                              ; preds = %154, %118
  %122 = load i64, ptr %14, align 8, !tbaa !5
  %123 = icmp sge i64 %122, 0
  br i1 %123, label %124, label %128

124:                                              ; preds = %121
  %125 = load i64, ptr %7, align 8, !tbaa !5
  %126 = icmp ne i64 %125, 0
  %127 = xor i1 %126, true
  br label %128

128:                                              ; preds = %124, %121
  %129 = phi i1 [ false, %121 ], [ %127, %124 ]
  br i1 %129, label %131, label %130

130:                                              ; preds = %128
  store i32 10, ptr %13, align 4
  br label %157

131:                                              ; preds = %128
  %132 = load i64, ptr %14, align 8, !tbaa !5
  %133 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %132)
          to label %134 unwind label %141

134:                                              ; preds = %131
  %135 = load i8, ptr %133, align 1, !tbaa !9
  %136 = sext i8 %135 to i32
  %137 = icmp eq i32 %136, 84
  br i1 %137, label %138, label %145

138:                                              ; preds = %134
  %139 = load i64, ptr %8, align 8, !tbaa !5
  %140 = add nsw i64 %139, 1
  store i64 %140, ptr %8, align 8, !tbaa !5
  br label %153

141:                                              ; preds = %131
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %5, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %167

145:                                              ; preds = %134
  %146 = load i64, ptr %9, align 8, !tbaa !5
  %147 = add nsw i64 %146, 1
  store i64 %147, ptr %9, align 8, !tbaa !5
  %148 = load i64, ptr %9, align 8, !tbaa !5
  %149 = load i64, ptr %8, align 8, !tbaa !5
  %150 = icmp sgt i64 %148, %149
  br i1 %150, label %151, label %152

151:                                              ; preds = %145
  store i64 1, ptr %7, align 8, !tbaa !5
  store i32 10, ptr %13, align 4
  br label %157

152:                                              ; preds = %145
  br label %153

153:                                              ; preds = %152, %138
  br label %154

154:                                              ; preds = %153
  %155 = load i64, ptr %14, align 8, !tbaa !5
  %156 = add nsw i64 %155, -1
  store i64 %156, ptr %14, align 8, !tbaa !5
  br label %121, !llvm.loop !13

157:                                              ; preds = %151, %130
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %158

158:                                              ; preds = %157
  %159 = load i64, ptr %7, align 8, !tbaa !5
  %160 = icmp ne i64 %159, 0
  %161 = zext i1 %160 to i64
  %162 = select i1 %160, ptr @.str, ptr @.str.1
  %163 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %162)
          to label %164 unwind label %75

164:                                              ; preds = %158
  %165 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %163, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %166 unwind label %75

166:                                              ; preds = %164
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %16, !llvm.loop !14

167:                                              ; preds = %141, %101, %75
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %168

168:                                              ; preds = %167, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %169

169:                                              ; preds = %168, %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %172

170:                                              ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %171 = load i32, ptr %1, align 4
  ret i32 %171

172:                                              ; preds = %169
  %173 = load ptr, ptr %5, align 8
  %174 = load i32, ptr %6, align 4
  %175 = insertvalue { ptr, i32 } poison, ptr %173, 0
  %176 = insertvalue { ptr, i32 } %175, i32 %174, 1
  resume { ptr, i32 } %176
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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)) #4

declare i32 @__gxx_personality_v0(...)

; 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) #3 align 2

; 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) #5

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

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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 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 = { 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 #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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = add nsw i64 %5, -1
  store i64 %6, ptr %1, align 8, !tbaa !5
  %.not72 = icmp eq i64 %5, 0
  br i1 %.not72, label %._crit_edge75, label %.lr.ph74

.lr.ph74:                                         ; preds = %0, %62
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %.preheader unwind label %12

.preheader:                                       ; preds = %.lr.ph74
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = icmp sgt i64 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.029.lcssa = phi i64 [ 0, %.preheader ], [ %.1, %.lr.ph ]
  %.lcssa = phi i64 [ %9, %.preheader ], [ %19, %.lr.ph ]
  %11 = sdiv i64 %.lcssa, 3
  %.not43 = icmp eq i64 %11, %.029.lcssa
  br i1 %.not43, label %21, label %.thread

12:                                               ; preds = %.lr.ph74
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %65

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.02853 = phi i64 [ %18, %.lr.ph ], [ 0, %.preheader ]
  %.02952 = phi i64 [ %.1, %.lr.ph ], [ 0, %.preheader ]
  %14 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02853)
  %15 = load i8, ptr %14, align 1, !tbaa !9
  %16 = icmp ne i8 %15, 84
  %17 = zext i1 %16 to i64
  %.1 = add nuw nsw i64 %.02952, %17
  %18 = add nuw nsw i64 %.02853, 1
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = icmp slt i64 %18, %19
  br i1 %20, label %.lr.ph, label %._crit_edge, !llvm.loop !10

21:                                               ; preds = %._crit_edge
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = icmp eq i8 %23, 77
  br i1 %24, label %.thread, label %25

25:                                               ; preds = %21
  %26 = load i64, ptr %2, align 8, !tbaa !5
  %27 = add nsw i64 %26, -1
  %28 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %27)
  %29 = load i8, ptr %28, align 1, !tbaa !9
  %30 = icmp eq i8 %29, 77
  br i1 %30, label %.thread, label %33

31:                                               ; preds = %60, %.thread
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %65

33:                                               ; preds = %25
  %34 = load i64, ptr %2, align 8, !tbaa !5
  %35 = icmp sgt i64 %34, 0
  br i1 %35, label %.lr.ph59.split, label %._crit_edge60

.lr.ph59.split:                                   ; preds = %33, %43
  %.02657 = phi i64 [ %44, %43 ], [ 0, %33 ]
  %.256 = phi i64 [ %.3, %43 ], [ 0, %33 ]
  %.23255 = phi i64 [ %.333, %43 ], [ 0, %33 ]
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02657)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = icmp eq i8 %37, 84
  br i1 %38, label %39, label %41

39:                                               ; preds = %.lr.ph59.split
  %40 = add nsw i64 %.23255, 1
  br label %43

41:                                               ; preds = %.lr.ph59.split
  %42 = add nsw i64 %.256, 1
  %.not45 = icmp slt i64 %.256, %.23255
  br i1 %.not45, label %43, label %.thread

43:                                               ; preds = %39, %41
  %.333 = phi i64 [ %40, %39 ], [ %.23255, %41 ]
  %.3 = phi i64 [ %.256, %39 ], [ %42, %41 ]
  %44 = add nuw nsw i64 %.02657, 1
  %45 = load i64, ptr %2, align 8, !tbaa !5
  %46 = icmp slt i64 %44, %45
  br i1 %46, label %.lr.ph59.split, label %._crit_edge60, !llvm.loop !12

._crit_edge60:                                    ; preds = %43, %33
  %47 = phi i64 [ %34, %33 ], [ %45, %43 ]
  %48 = icmp sgt i64 %47, 0
  br i1 %48, label %.lr.ph70.split, label %.thread

.lr.ph70.split:                                   ; preds = %._crit_edge60, %56
  %.068.in = phi i64 [ %.068, %56 ], [ %47, %._crit_edge60 ]
  %.467 = phi i64 [ %.5, %56 ], [ 0, %._crit_edge60 ]
  %.43466 = phi i64 [ %.535, %56 ], [ 0, %._crit_edge60 ]
  %.068 = add nsw i64 %.068.in, -1
  %49 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.068)
  %50 = load i8, ptr %49, align 1, !tbaa !9
  %51 = icmp eq i8 %50, 84
  br i1 %51, label %52, label %54

52:                                               ; preds = %.lr.ph70.split
  %53 = add nsw i64 %.43466, 1
  br label %56

54:                                               ; preds = %.lr.ph70.split
  %55 = add nsw i64 %.467, 1
  %.not47 = icmp slt i64 %.467, %.43466
  br i1 %.not47, label %56, label %.thread

56:                                               ; preds = %52, %54
  %.535 = phi i64 [ %53, %52 ], [ %.43466, %54 ]
  %.5 = phi i64 [ %.467, %52 ], [ %55, %54 ]
  %57 = icmp ugt i64 %.068.in, 1
  br i1 %57, label %.lr.ph70.split, label %.thread, !llvm.loop !13

.thread:                                          ; preds = %41, %54, %56, %._crit_edge60, %._crit_edge, %21, %25
  %58 = phi ptr [ @.str, %25 ], [ @.str, %21 ], [ @.str, %._crit_edge ], [ @.str.1, %._crit_edge60 ], [ @.str.1, %56 ], [ @.str, %54 ], [ @.str, %41 ]
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %58)
          to label %60 unwind label %31

60:                                               ; preds = %.thread
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %62 unwind label %31

62:                                               ; preds = %60
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %63 = load i64, ptr %1, align 8, !tbaa !5
  %64 = add nsw i64 %63, -1
  store i64 %64, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %63, 0
  br i1 %.not, label %._crit_edge75, label %.lr.ph74, !llvm.loop !14

65:                                               ; preds = %31, %12
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %13, %12 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn

._crit_edge75:                                    ; preds = %62, %0
  call void @llvm.lifetime.end.p0(i64 8, 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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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 #4

declare i32 @__gxx_personality_v0(...)

; 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 #3 align 2

; 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 #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 #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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 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 = { 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 #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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass