; LLVM IR from DionysiosB/CodeForces :: 2045C-Saraga (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] }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca [26 x i64], align 16
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca i8, align 1
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %18 unwind label %26

18:                                               ; preds = %0
  %19 = 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) %17, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %20 unwind label %26

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 208, ptr %6) #7
  call void @llvm.memset.p0.i64(ptr align 16 %6, i8 0, i64 208, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 1, ptr %7, align 8, !tbaa !5
  br label %21

21:                                               ; preds = %56, %20
  %22 = load i64, ptr %7, align 8, !tbaa !5
  %23 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %24 = icmp ult i64 %22, %23
  br i1 %24, label %30, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %59

26:                                               ; preds = %18, %0
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %4, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %5, align 4
  br label %159

30:                                               ; preds = %21
  %31 = load i64, ptr %7, align 8, !tbaa !5
  %32 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %31)
          to label %33 unwind label %42

33:                                               ; preds = %30
  %34 = load i8, ptr %32, align 1, !tbaa !9
  %35 = sext i8 %34 to i32
  %36 = sub nsw i32 %35, 97
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [26 x i64], ptr %6, i64 0, i64 %37
  %39 = load i64, ptr %38, align 8, !tbaa !5
  %40 = icmp sgt i64 %39, 0
  br i1 %40, label %41, label %46

41:                                               ; preds = %33
  br label %56

42:                                               ; preds = %46, %30
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %4, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %158

46:                                               ; preds = %33
  %47 = load i64, ptr %7, align 8, !tbaa !5
  %48 = load i64, ptr %7, align 8, !tbaa !5
  %49 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %48)
          to label %50 unwind label %42

50:                                               ; preds = %46
  %51 = load i8, ptr %49, align 1, !tbaa !9
  %52 = sext i8 %51 to i32
  %53 = sub nsw i32 %52, 97
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [26 x i64], ptr %6, i64 0, i64 %54
  store i64 %47, ptr %55, align 8, !tbaa !5
  br label %56

56:                                               ; preds = %50, %41
  %57 = load i64, ptr %7, align 8, !tbaa !5
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %7, align 8, !tbaa !5
  br label %21, !llvm.loop !10

59:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %60 unwind label %67

60:                                               ; preds = %59
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  store i8 0, ptr %10, align 1, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  %61 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %62 = sub i64 %61, 2
  store i64 %62, ptr %11, align 8, !tbaa !5
  br label %63

63:                                               ; preds = %141, %60
  %64 = load i64, ptr %11, align 8, !tbaa !5
  %65 = icmp sge i64 %64, 0
  br i1 %65, label %71, label %66

66:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %146

67:                                               ; preds = %59
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %4, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  br label %157

71:                                               ; preds = %63
  %72 = load i64, ptr %11, align 8, !tbaa !5
  %73 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %72)
          to label %74 unwind label %83

74:                                               ; preds = %71
  %75 = load i8, ptr %73, align 1, !tbaa !9
  %76 = sext i8 %75 to i32
  %77 = sub nsw i32 %76, 97
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [26 x i64], ptr %6, i64 0, i64 %78
  %80 = load i64, ptr %79, align 8, !tbaa !5
  %81 = icmp sle i64 %80, 0
  br i1 %81, label %82, label %87

82:                                               ; preds = %74
  br label %141

83:                                               ; preds = %71
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %4, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %5, align 4
  br label %145

87:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %88 = load i64, ptr %11, align 8, !tbaa !5
  %89 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %88)
          to label %90 unwind label %122

90:                                               ; preds = %87
  %91 = load i8, ptr %89, align 1, !tbaa !9
  %92 = sext i8 %91 to i32
  %93 = sub nsw i32 %92, 97
  %94 = sext i32 %93 to i64
  %95 = getelementptr inbounds [26 x i64], ptr %6, i64 0, i64 %94
  %96 = load i64, ptr %95, align 8, !tbaa !5
  %97 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %98 = add i64 %96, %97
  %99 = load i64, ptr %11, align 8, !tbaa !5
  %100 = sub i64 %98, %99
  store i64 %100, ptr %12, align 8, !tbaa !5
  %101 = load i8, ptr %10, align 1, !tbaa !12, !range !14, !noundef !15
  %102 = trunc i8 %101 to i1
  br i1 %102, label %103, label %107

103:                                              ; preds = %90
  %104 = load i64, ptr %12, align 8, !tbaa !5
  %105 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  %106 = icmp ult i64 %104, %105
  br i1 %106, label %107, label %140

107:                                              ; preds = %103, %90
  store i8 1, ptr %10, align 1, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 32, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #7
  %108 = load i64, ptr %11, align 8, !tbaa !5
  %109 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %108)
          to label %110 unwind label %126

110:                                              ; preds = %107
  %111 = load i8, ptr %109, align 1, !tbaa !9
  %112 = sext i8 %111 to i32
  %113 = sub nsw i32 %112, 97
  %114 = sext i32 %113 to i64
  %115 = getelementptr inbounds [26 x i64], ptr %6, i64 0, i64 %114
  %116 = load i64, ptr %115, align 8, !tbaa !5
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 0, i64 noundef %116)
          to label %117 unwind label %126

117:                                              ; preds = %110
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #7
  %118 = load i64, ptr %11, align 8, !tbaa !5
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %118, i64 noundef -1)
          to label %119 unwind label %130

119:                                              ; preds = %117
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %13, ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %120 unwind label %134

120:                                              ; preds = %119
  %121 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %13) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #7
  br label %140

122:                                              ; preds = %87
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %4, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %5, align 4
  br label %144

126:                                              ; preds = %110, %107
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %4, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %5, align 4
  br label %139

130:                                              ; preds = %117
  %131 = landingpad { ptr, i32 }
          cleanup
  %132 = extractvalue { ptr, i32 } %131, 0
  store ptr %132, ptr %4, align 8
  %133 = extractvalue { ptr, i32 } %131, 1
  store i32 %133, ptr %5, align 4
  br label %138

134:                                              ; preds = %119
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %4, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #7
  br label %138

138:                                              ; preds = %134, %130
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #7
  br label %139

139:                                              ; preds = %138, %126
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #7
  br label %144

140:                                              ; preds = %120, %103
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %141

141:                                              ; preds = %140, %82
  %142 = load i64, ptr %11, align 8, !tbaa !5
  %143 = add nsw i64 %142, -1
  store i64 %143, ptr %11, align 8, !tbaa !5
  br label %63, !llvm.loop !16

144:                                              ; preds = %139, %122
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %145

145:                                              ; preds = %144, %83
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %156

146:                                              ; preds = %66
  %147 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %148 unwind label %152

148:                                              ; preds = %146
  %149 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %147, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %150 unwind label %152

150:                                              ; preds = %148
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 208, ptr %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #7
  %151 = load i32, ptr %1, align 4
  ret i32 %151

152:                                              ; preds = %148, %146
  %153 = landingpad { ptr, i32 }
          cleanup
  %154 = extractvalue { ptr, i32 } %153, 0
  store ptr %154, ptr %4, align 8
  %155 = extractvalue { ptr, i32 } %153, 1
  store i32 %155, ptr %5, align 4
  br label %156

156:                                              ; preds = %152, %145
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  br label %157

157:                                              ; preds = %156, %67
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  br label %158

158:                                              ; preds = %157, %42
  call void @llvm.lifetime.end.p0(i64 208, ptr %6) #7
  br label %159

159:                                              ; preds = %158, %26
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #7
  br label %160

160:                                              ; preds = %159
  %161 = load ptr, ptr %4, align 8
  %162 = load i32, ptr %5, align 4
  %163 = insertvalue { ptr, i32 } poison, ptr %161, 0
  %164 = insertvalue { ptr, i32 } %163, i32 %162, 1
  resume { ptr, i32 } %164
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

; Function Attrs: mustprogress 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)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 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) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #6

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !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] }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca [26 x i64], align 16
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %10 = 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) %1)
          to label %11 unwind label %16

11:                                               ; preds = %0
  %12 = 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) %10, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %13 unwind label %16

13:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 208, ptr nonnull %3) #7
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(208) %3, i8 0, i64 208, i1 false)
  %14 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %15 = icmp ugt i64 %14, 1
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %31, %13
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %35 unwind label %40

16:                                               ; preds = %11, %0
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %91

.lr.ph:                                           ; preds = %13, %31
  %.01731 = phi i64 [ %32, %31 ], [ 1, %13 ]
  %18 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.01731)
  %19 = load i8, ptr %18, align 1, !tbaa !5
  %20 = sext i8 %19 to i64
  %21 = add nsw i64 %20, -97
  %22 = getelementptr inbounds [26 x i64], ptr %3, i64 0, i64 %21
  %23 = load i64, ptr %22, align 8, !tbaa !8
  %24 = icmp sgt i64 %23, 0
  br i1 %24, label %31, label %25

25:                                               ; preds = %.lr.ph
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.01731)
  %27 = load i8, ptr %26, align 1, !tbaa !5
  %28 = sext i8 %27 to i64
  %29 = add nsw i64 %28, -97
  %30 = getelementptr inbounds [26 x i64], ptr %3, i64 0, i64 %29
  store i64 %.01731, ptr %30, align 8, !tbaa !8
  br label %31

31:                                               ; preds = %.lr.ph, %25
  %32 = add nuw nsw i64 %.01731, 1
  %33 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %34 = icmp ult i64 %32, %33
  br i1 %34, label %.lr.ph, label %._crit_edge, !llvm.loop !10

35:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %36 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %37 = add i64 %36, -2
  %38 = icmp sgt i64 %37, -1
  br i1 %38, label %.lr.ph36, label %._crit_edge37

._crit_edge37:                                    ; preds = %81, %35
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %84 unwind label %87

40:                                               ; preds = %._crit_edge
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %90

.lr.ph36:                                         ; preds = %35, %81
  %.033 = phi i64 [ %82, %81 ], [ %37, %35 ]
  %.01632 = phi i1 [ %.2, %81 ], [ false, %35 ]
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.033)
  %43 = load i8, ptr %42, align 1, !tbaa !5
  %44 = sext i8 %43 to i64
  %45 = add nsw i64 %44, -97
  %46 = getelementptr inbounds [26 x i64], ptr %3, i64 0, i64 %45
  %47 = load i64, ptr %46, align 8, !tbaa !8
  %48 = icmp slt i64 %47, 1
  br i1 %48, label %81, label %49

49:                                               ; preds = %.lr.ph36
  %50 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.033)
  %51 = load i8, ptr %50, align 1, !tbaa !5
  %52 = sext i8 %51 to i64
  %53 = add nsw i64 %52, -97
  %54 = getelementptr inbounds [26 x i64], ptr %3, i64 0, i64 %53
  %55 = load i64, ptr %54, align 8, !tbaa !8
  %56 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  br i1 %.01632, label %57, label %62

57:                                               ; preds = %49
  %58 = sub i64 %55, %.033
  %59 = add i64 %58, %56
  %60 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %61 = icmp ult i64 %59, %60
  br i1 %61, label %62, label %81

62:                                               ; preds = %57, %49
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #7
  %63 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.033)
  %64 = load i8, ptr %63, align 1, !tbaa !5
  %65 = sext i8 %64 to i64
  %66 = add nsw i64 %65, -97
  %67 = getelementptr inbounds [26 x i64], ptr %3, i64 0, i64 %66
  %68 = load i64, ptr %67, align 8, !tbaa !8
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 0, i64 noundef %68)
          to label %69 unwind label %73

69:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #7
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.033, i64 noundef -1)
          to label %70 unwind label %75

70:                                               ; preds = %69
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %71 unwind label %77

71:                                               ; preds = %70
  %72 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #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 nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  br label %81

73:                                               ; preds = %62
  %74 = landingpad { ptr, i32 }
          cleanup
  br label %80

75:                                               ; preds = %69
  %76 = landingpad { ptr, i32 }
          cleanup
  br label %79

77:                                               ; preds = %70
  %78 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  br label %79

79:                                               ; preds = %77, %75
  %.pn = phi { ptr, i32 } [ %78, %77 ], [ %76, %75 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  br label %80

80:                                               ; preds = %79, %73
  %.pn.pn = phi { ptr, i32 } [ %.pn, %79 ], [ %74, %73 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  br label %89

81:                                               ; preds = %57, %71, %.lr.ph36
  %.2 = phi i1 [ %.01632, %.lr.ph36 ], [ true, %71 ], [ true, %57 ]
  %82 = add nsw i64 %.033, -1
  %83 = icmp sgt i64 %.033, 0
  br i1 %83, label %.lr.ph36, label %._crit_edge37, !llvm.loop !12

84:                                               ; preds = %._crit_edge37
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %86 unwind label %87

86:                                               ; preds = %84
  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 208, ptr nonnull %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  ret i32 0

87:                                               ; preds = %84, %._crit_edge37
  %88 = landingpad { ptr, i32 }
          cleanup
  br label %89

89:                                               ; preds = %87, %80
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %80 ], [ %88, %87 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  br label %90

90:                                               ; preds = %89, %40
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %89 ], [ %41, %40 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 208, ptr nonnull %3) #7
  br label %91

91:                                               ; preds = %90, %16
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn.pn, %90 ], [ %17, %16 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn.pn.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

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

; Function Attrs: mustprogress 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 #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 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 #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { nounwind }

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

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


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