; LLVM IR from kazunetakahashi/atcoder :: 2020/0314_panasonic2020 (E)

; 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_ostream" = type { ptr, %"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 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) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 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)) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6concatNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1, ptr noundef %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i1, align 1
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i8, align 1
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca ptr, align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %25 = trunc i64 %24 to i32
  store i32 %25, ptr %7, align 4, !tbaa !9
  store i1 false, ptr %8, align 1
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %26

26:                                               ; preds = %196, %3
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = icmp sle i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %200

31:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #5
  store i8 1, ptr %11, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  %32 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %32, ptr %12, align 4, !tbaa !9
  br label %33

33:                                               ; preds = %78, %31
  %34 = load i32, ptr %12, align 4, !tbaa !9
  %35 = load i32, ptr %7, align 4, !tbaa !9
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  store i32 5, ptr %10, align 4
  br label %81

38:                                               ; preds = %33
  %39 = load i32, ptr %12, align 4, !tbaa !9
  %40 = sext i32 %39 to i64
  %41 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %40)
          to label %42 unwind label %73

42:                                               ; preds = %38
  %43 = load i8, ptr %41, align 1, !tbaa !13
  %44 = sext i8 %43 to i32
  %45 = load i32, ptr %12, align 4, !tbaa !9
  %46 = load i32, ptr %9, align 4, !tbaa !9
  %47 = sub nsw i32 %45, %46
  %48 = sext i32 %47 to i64
  %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 %73

50:                                               ; preds = %42
  %51 = load i8, ptr %49, align 1, !tbaa !13
  %52 = sext i8 %51 to i32
  %53 = icmp eq i32 %44, %52
  br i1 %53, label %72, label %54

54:                                               ; preds = %50
  %55 = load i32, ptr %12, align 4, !tbaa !9
  %56 = sext i32 %55 to i64
  %57 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %56)
          to label %58 unwind label %73

58:                                               ; preds = %54
  %59 = load i8, ptr %57, align 1, !tbaa !13
  %60 = sext i8 %59 to i32
  %61 = icmp eq i32 %60, 63
  br i1 %61, label %72, label %62

62:                                               ; preds = %58
  %63 = load i32, ptr %12, align 4, !tbaa !9
  %64 = load i32, ptr %9, align 4, !tbaa !9
  %65 = sub nsw i32 %63, %64
  %66 = sext i32 %65 to i64
  %67 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %66)
          to label %68 unwind label %73

68:                                               ; preds = %62
  %69 = load i8, ptr %67, align 1, !tbaa !13
  %70 = sext i8 %69 to i32
  %71 = icmp eq i32 %70, 63
  br i1 %71, label %72, label %77

72:                                               ; preds = %68, %58, %50
  br label %78

73:                                               ; preds = %62, %54, %42, %38
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %13, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %199

77:                                               ; preds = %68
  store i8 0, ptr %11, align 1, !tbaa !11
  store i32 5, ptr %10, align 4
  br label %81

78:                                               ; preds = %72
  %79 = load i32, ptr %12, align 4, !tbaa !9
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %12, align 4, !tbaa !9
  br label %33, !llvm.loop !14

81:                                               ; preds = %77, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %82

82:                                               ; preds = %81
  %83 = load i8, ptr %11, align 1, !tbaa !11, !range !16, !noundef !17
  %84 = trunc i8 %83 to i1
  br i1 %84, label %85, label %195

85:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 392, ptr %15) #5
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %15)
          to label %86 unwind label %92

86:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  store i32 0, ptr %16, align 4, !tbaa !9
  br label %87

87:                                               ; preds = %105, %86
  %88 = load i32, ptr %16, align 4, !tbaa !9
  %89 = load i32, ptr %9, align 4, !tbaa !9
  %90 = icmp slt i32 %88, %89
  br i1 %90, label %96, label %91

91:                                               ; preds = %87
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %112

92:                                               ; preds = %85
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %13, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %14, align 4
  br label %194

96:                                               ; preds = %87
  %97 = getelementptr inbounds i8, ptr %15, i64 16
  %98 = load i32, ptr %16, align 4, !tbaa !9
  %99 = sext i32 %98 to i64
  %100 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %99)
          to label %101 unwind label %108

101:                                              ; preds = %96
  %102 = load i8, ptr %100, align 1, !tbaa !13
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %97, i8 noundef signext %102)
          to label %104 unwind label %108

104:                                              ; preds = %101
  br label %105

105:                                              ; preds = %104
  %106 = load i32, ptr %16, align 4, !tbaa !9
  %107 = add nsw i32 %106, 1
  store i32 %107, ptr %16, align 4, !tbaa !9
  br label %87, !llvm.loop !18

108:                                              ; preds = %101, %96
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %13, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %193

112:                                              ; preds = %91
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  %113 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %113, ptr %17, align 4, !tbaa !9
  br label %114

114:                                              ; preds = %152, %112
  %115 = load i32, ptr %17, align 4, !tbaa !9
  %116 = load i32, ptr %7, align 4, !tbaa !9
  %117 = icmp slt i32 %115, %116
  br i1 %117, label %119, label %118

118:                                              ; preds = %114
  store i32 11, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %155

119:                                              ; preds = %114
  %120 = load i32, ptr %17, align 4, !tbaa !9
  %121 = sext i32 %120 to i64
  %122 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %121)
          to label %123 unwind label %138

123:                                              ; preds = %119
  %124 = load i8, ptr %122, align 1, !tbaa !13
  %125 = sext i8 %124 to i32
  %126 = icmp eq i32 %125, 63
  br i1 %126, label %127, label %142

127:                                              ; preds = %123
  %128 = getelementptr inbounds i8, ptr %15, i64 16
  %129 = load i32, ptr %17, align 4, !tbaa !9
  %130 = load i32, ptr %9, align 4, !tbaa !9
  %131 = sub nsw i32 %129, %130
  %132 = sext i32 %131 to i64
  %133 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %132)
          to label %134 unwind label %138

134:                                              ; preds = %127
  %135 = load i8, ptr %133, align 1, !tbaa !13
  %136 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %128, i8 noundef signext %135)
          to label %137 unwind label %138

137:                                              ; preds = %134
  br label %151

138:                                              ; preds = %147, %142, %134, %127, %119
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %13, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %193

142:                                              ; preds = %123
  %143 = getelementptr inbounds i8, ptr %15, i64 16
  %144 = load i32, ptr %17, align 4, !tbaa !9
  %145 = sext i32 %144 to i64
  %146 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %145)
          to label %147 unwind label %138

147:                                              ; preds = %142
  %148 = load i8, ptr %146, align 1, !tbaa !13
  %149 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %143, i8 noundef signext %148)
          to label %150 unwind label %138

150:                                              ; preds = %147
  br label %151

151:                                              ; preds = %150, %137
  br label %152

152:                                              ; preds = %151
  %153 = load i32, ptr %17, align 4, !tbaa !9
  %154 = add nsw i32 %153, 1
  store i32 %154, ptr %17, align 4, !tbaa !9
  br label %114, !llvm.loop !19

155:                                              ; preds = %118
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %156 = load i32, ptr %7, align 4, !tbaa !9
  %157 = load i32, ptr %9, align 4, !tbaa !9
  %158 = sub nsw i32 %156, %157
  store i32 %158, ptr %18, align 4, !tbaa !9
  br label %159

159:                                              ; preds = %174, %155
  %160 = load i32, ptr %18, align 4, !tbaa !9
  %161 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %162 = trunc i64 %161 to i32
  %163 = icmp slt i32 %160, %162
  br i1 %163, label %165, label %164

164:                                              ; preds = %159
  store i32 14, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %181

165:                                              ; preds = %159
  %166 = getelementptr inbounds i8, ptr %15, i64 16
  %167 = load i32, ptr %18, align 4, !tbaa !9
  %168 = sext i32 %167 to i64
  %169 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %168)
          to label %170 unwind label %177

170:                                              ; preds = %165
  %171 = load i8, ptr %169, align 1, !tbaa !13
  %172 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %166, i8 noundef signext %171)
          to label %173 unwind label %177

173:                                              ; preds = %170
  br label %174

174:                                              ; preds = %173
  %175 = load i32, ptr %18, align 4, !tbaa !9
  %176 = add nsw i32 %175, 1
  store i32 %176, ptr %18, align 4, !tbaa !9
  br label %159, !llvm.loop !20

177:                                              ; preds = %170, %165
  %178 = landingpad { ptr, i32 }
          cleanup
  %179 = extractvalue { ptr, i32 } %178, 0
  store ptr %179, ptr %13, align 8
  %180 = extractvalue { ptr, i32 } %178, 1
  store i32 %180, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %193

181:                                              ; preds = %164
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #5
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %19, ptr noundef nonnull align 8 dereferenceable(128) %15)
          to label %182 unwind label %184

182:                                              ; preds = %181
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %183 unwind label %188

183:                                              ; preds = %182
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #5
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %15) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr %15) #5
  br label %195

184:                                              ; preds = %181
  %185 = landingpad { ptr, i32 }
          cleanup
  %186 = extractvalue { ptr, i32 } %185, 0
  store ptr %186, ptr %13, align 8
  %187 = extractvalue { ptr, i32 } %185, 1
  store i32 %187, ptr %14, align 4
  br label %192

188:                                              ; preds = %182
  %189 = landingpad { ptr, i32 }
          cleanup
  %190 = extractvalue { ptr, i32 } %189, 0
  store ptr %190, ptr %13, align 8
  %191 = extractvalue { ptr, i32 } %189, 1
  store i32 %191, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #5
  br label %192

192:                                              ; preds = %188, %184
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #5
  br label %193

193:                                              ; preds = %192, %177, %138, %108
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %15) #5
  br label %194

194:                                              ; preds = %193, %92
  call void @llvm.lifetime.end.p0(i64 392, ptr %15) #5
  br label %199

195:                                              ; preds = %183, %82
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  br label %196

196:                                              ; preds = %195
  %197 = load i32, ptr %9, align 4, !tbaa !9
  %198 = add nsw i32 %197, 1
  store i32 %198, ptr %9, align 4, !tbaa !9
  br label %26, !llvm.loop !21

199:                                              ; preds = %194, %73
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %240

200:                                              ; preds = %30
  %201 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.2)
          to label %202 unwind label %214

202:                                              ; preds = %200
  %203 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %201, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %204 unwind label %214

204:                                              ; preds = %202
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  store ptr %0, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  %205 = load ptr, ptr %20, align 8, !tbaa !5
  %206 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %205) #5
  %207 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %206, ptr %207, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #5
  %208 = load ptr, ptr %20, align 8, !tbaa !5
  %209 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %208) #5
  %210 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %209, ptr %210, align 8
  br label %211

211:                                              ; preds = %225, %204
  %212 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #5
  br i1 %212, label %218, label %213

213:                                              ; preds = %211
  store i32 17, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  br label %236

214:                                              ; preds = %202, %200
  %215 = landingpad { ptr, i32 }
          cleanup
  %216 = extractvalue { ptr, i32 } %215, 0
  store ptr %216, ptr %13, align 8
  %217 = extractvalue { ptr, i32 } %215, 1
  store i32 %217, ptr %14, align 4
  br label %240

218:                                              ; preds = %211
  call void @llvm.lifetime.start.p0(i64 32, ptr %23) #5
  %219 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %23, ptr noundef nonnull align 8 dereferenceable(32) %219)
          to label %220 unwind label %227

220:                                              ; preds = %218
  %221 = 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) @_ZSt4cerr, ptr noundef nonnull align 8 dereferenceable(32) %23)
          to label %222 unwind label %231

222:                                              ; preds = %220
  %223 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %221, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %224 unwind label %231

224:                                              ; preds = %222
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %23) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %23) #5
  br label %225

225:                                              ; preds = %224
  %226 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #5
  br label %211

227:                                              ; preds = %218
  %228 = landingpad { ptr, i32 }
          cleanup
  %229 = extractvalue { ptr, i32 } %228, 0
  store ptr %229, ptr %13, align 8
  %230 = extractvalue { ptr, i32 } %228, 1
  store i32 %230, ptr %14, align 4
  br label %235

231:                                              ; preds = %222, %220
  %232 = landingpad { ptr, i32 }
          cleanup
  %233 = extractvalue { ptr, i32 } %232, 0
  store ptr %233, ptr %13, align 8
  %234 = extractvalue { ptr, i32 } %232, 1
  store i32 %234, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %23) #5
  br label %235

235:                                              ; preds = %231, %227
  call void @llvm.lifetime.end.p0(i64 32, ptr %23) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  br label %240

236:                                              ; preds = %213
  store i1 true, ptr %8, align 1
  store i32 1, ptr %10, align 4
  %237 = load i1, ptr %8, align 1
  br i1 %237, label %239, label %238

238:                                              ; preds = %236
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %239

239:                                              ; preds = %238, %236
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

240:                                              ; preds = %235, %214, %199
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %241

241:                                              ; preds = %240
  %242 = load ptr, ptr %13, align 8
  %243 = load i32, ptr %14, align 4
  %244 = insertvalue { ptr, i32 } poison, ptr %242, 0
  %245 = insertvalue { ptr, i32 } %244, i32 %243, 1
  resume { ptr, i32 } %245
}

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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) #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) #1 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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { 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 #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 = { inlinehint 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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{i8 0, i8 2}
!17 = !{}
!18 = distinct !{!18, !15}
!19 = distinct !{!19, !15}
!20 = distinct !{!20, !15}
!21 = distinct !{!21, !15}


; 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_ostream" = type { ptr, %"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 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 #0

; 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 #1 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)) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6concatNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull %1, ptr noundef %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %10 = trunc i64 %9 to i32
  tail call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %.not67 = icmp slt i32 %10, 0
  br i1 %.not67, label %._crit_edge69, label %.preheader56.lr.ph

.preheader56.lr.ph:                               ; preds = %3
  %11 = getelementptr inbounds i8, ptr %4, i64 16
  %12 = and i64 %9, 2147483647
  %13 = add nuw nsw i64 %9, 1
  %wide.trip.count93 = and i64 %13, 4294967295
  %wide.trip.count = and i64 %9, 2147483647
  %wide.trip.count85 = and i64 %9, 2147483647
  br label %.preheader56

.preheader56:                                     ; preds = %.preheader56.lr.ph, %.loopexit
  %indvars.iv87 = phi i32 [ %10, %.preheader56.lr.ph ], [ %indvars.iv.next88, %.loopexit ]
  %indvars.iv = phi i64 [ 0, %.preheader56.lr.ph ], [ %indvars.iv.next, %.loopexit ]
  %14 = sext i32 %indvars.iv87 to i64
  %.not4857 = icmp ult i64 %indvars.iv, %12
  br i1 %.not4857, label %.lr.ph, label %.critedge

._crit_edge69:                                    ; preds = %.loopexit, %3
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.2)
          to label %74 unwind label %80

.lr.ph:                                           ; preds = %.preheader56, %30
  %indvars.iv74 = phi i64 [ %indvars.iv.next75, %30 ], [ %indvars.iv, %.preheader56 ]
  %16 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv74)
  %17 = load i8, ptr %16, align 1, !tbaa !5
  %18 = sub nuw nsw i64 %indvars.iv74, %indvars.iv
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %18)
  %20 = load i8, ptr %19, align 1, !tbaa !5
  %21 = icmp eq i8 %17, %20
  br i1 %21, label %30, label %22

22:                                               ; preds = %.lr.ph
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv74)
  %24 = load i8, ptr %23, align 1, !tbaa !5
  %25 = icmp eq i8 %24, 63
  br i1 %25, label %30, label %26

26:                                               ; preds = %22
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %18)
  %28 = load i8, ptr %27, align 1, !tbaa !5
  %29 = icmp eq i8 %28, 63
  br i1 %29, label %30, label %.loopexit

30:                                               ; preds = %.lr.ph, %22, %26
  %indvars.iv.next75 = add nuw nsw i64 %indvars.iv74, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next75, %wide.trip.count
  br i1 %exitcond.not, label %.critedge, label %.lr.ph, !llvm.loop !8

.critedge:                                        ; preds = %30, %.preheader56
  call void @llvm.lifetime.start.p0(i64 392, ptr nonnull %4) #5
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4)
          to label %.preheader55 unwind label %31

.preheader55:                                     ; preds = %.critedge
  %.not73 = icmp eq i64 %indvars.iv, 0
  br i1 %.not73, label %.preheader, label %.lr.ph60

.preheader:                                       ; preds = %36, %.preheader55
  br i1 %.not4857, label %.lr.ph62, label %._crit_edge

31:                                               ; preds = %.critedge
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %73

.lr.ph60:                                         ; preds = %.preheader55, %36
  %indvars.iv77 = phi i64 [ %indvars.iv.next78, %36 ], [ 0, %.preheader55 ]
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv77)
  %34 = load i8, ptr %33, align 1, !tbaa !5
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %11, i8 noundef signext %34)
          to label %36 unwind label %37

36:                                               ; preds = %.lr.ph60
  %indvars.iv.next78 = add nuw nsw i64 %indvars.iv77, 1
  %exitcond81.not = icmp eq i64 %indvars.iv.next78, %indvars.iv
  br i1 %exitcond81.not, label %.preheader, label %.lr.ph60, !llvm.loop !10

37:                                               ; preds = %.lr.ph60
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %72

._crit_edge:                                      ; preds = %55, %.preheader
  %39 = sub nsw i64 %12, %indvars.iv
  %40 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %sext = shl i64 %40, 32
  %41 = ashr exact i64 %sext, 32
  %42 = icmp slt i64 %39, %41
  br i1 %42, label %.lr.ph65, label %._crit_edge66

.lr.ph62:                                         ; preds = %.preheader, %55
  %indvars.iv82 = phi i64 [ %indvars.iv.next83, %55 ], [ %indvars.iv, %.preheader ]
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv82)
  %44 = load i8, ptr %43, align 1, !tbaa !5
  %45 = icmp eq i8 %44, 63
  br i1 %45, label %46, label %51

46:                                               ; preds = %.lr.ph62
  %47 = sub nuw nsw i64 %indvars.iv82, %indvars.iv
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %47)
  br label %.invoke

49:                                               ; preds = %.invoke
  %50 = landingpad { ptr, i32 }
          cleanup
  br label %72

51:                                               ; preds = %.lr.ph62
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv82)
  br label %.invoke

.invoke:                                          ; preds = %46, %51
  %.sink = phi ptr [ %48, %46 ], [ %52, %51 ]
  %53 = load i8, ptr %.sink, align 1, !tbaa !5
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %11, i8 noundef signext %53)
          to label %55 unwind label %49

55:                                               ; preds = %.invoke
  %indvars.iv.next83 = add nuw nsw i64 %indvars.iv82, 1
  %exitcond86.not = icmp eq i64 %indvars.iv.next83, %wide.trip.count85
  br i1 %exitcond86.not, label %._crit_edge, label %.lr.ph62, !llvm.loop !11

._crit_edge66:                                    ; preds = %59, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #5
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(128) %4)
          to label %65 unwind label %67

.lr.ph65:                                         ; preds = %._crit_edge, %59
  %indvars.iv89 = phi i64 [ %indvars.iv.next90, %59 ], [ %14, %._crit_edge ]
  %56 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv89)
  %57 = load i8, ptr %56, align 1, !tbaa !5
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %11, i8 noundef signext %57)
          to label %59 unwind label %63

59:                                               ; preds = %.lr.ph65
  %indvars.iv.next90 = add nsw i64 %indvars.iv89, 1
  %60 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %sext95 = shl i64 %60, 32
  %61 = ashr exact i64 %sext95, 32
  %62 = icmp slt i64 %indvars.iv.next90, %61
  br i1 %62, label %.lr.ph65, label %._crit_edge66, !llvm.loop !12

63:                                               ; preds = %.lr.ph65
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %72

65:                                               ; preds = %._crit_edge66
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %66 unwind label %69

66:                                               ; preds = %65
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %4) #5
  br label %.loopexit

67:                                               ; preds = %._crit_edge66
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %71

69:                                               ; preds = %65
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  br label %71

71:                                               ; preds = %69, %67
  %.pn49 = phi { ptr, i32 } [ %70, %69 ], [ %68, %67 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  br label %72

72:                                               ; preds = %71, %63, %49, %37
  %.pn51 = phi { ptr, i32 } [ %38, %37 ], [ %50, %49 ], [ %64, %63 ], [ %.pn49, %71 ]
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4) #5
  br label %73

73:                                               ; preds = %72, %31
  %.pn51.pn = phi { ptr, i32 } [ %.pn51, %72 ], [ %32, %31 ]
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %4) #5
  br label %95

.loopexit:                                        ; preds = %26, %66
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %indvars.iv.next88 = add i32 %indvars.iv87, -1
  %exitcond94.not = icmp eq i64 %indvars.iv.next, %wide.trip.count93
  br i1 %exitcond94.not, label %._crit_edge69, label %.preheader56, !llvm.loop !13

74:                                               ; preds = %._crit_edge69
  %75 = 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 %76 unwind label %80

76:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %77 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %77, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %78 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %78, ptr %7, align 8
  %79 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br i1 %79, label %.lr.ph71, label %._crit_edge72

._crit_edge72:                                    ; preds = %87, %76
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  ret void

80:                                               ; preds = %74, %._crit_edge69
  %81 = landingpad { ptr, i32 }
          cleanup
  br label %95

.lr.ph71:                                         ; preds = %76, %87
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #5
  %82 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %82)
          to label %83 unwind label %90

83:                                               ; preds = %.lr.ph71
  %84 = 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) @_ZSt4cerr, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %85 unwind label %92

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %87 unwind label %92

87:                                               ; preds = %85
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  %89 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br i1 %89, label %.lr.ph71, label %._crit_edge72

90:                                               ; preds = %.lr.ph71
  %91 = landingpad { ptr, i32 }
          cleanup
  br label %94

92:                                               ; preds = %85, %83
  %93 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  br label %94

94:                                               ; preds = %92, %90
  %.pn = phi { ptr, i32 } [ %93, %92 ], [ %91, %90 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br label %95

95:                                               ; preds = %94, %80, %73
  %.pn51.pn.pn = phi { ptr, i32 } [ %.pn51.pn, %73 ], [ %.pn, %94 ], [ %81, %80 ]
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  resume { ptr, i32 } %.pn51.pn.pn
}

; 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 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 dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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

declare i32 @__gxx_personality_v0(...)

; 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 uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) local_unnamed_addr #1 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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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 #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS6_SaIS6_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { 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 #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 = { inlinehint 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 = { 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 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}
!11 = distinct !{!11, !9}
!12 = distinct !{!12, !9}
!13 = distinct !{!13, !9}


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