; LLVM IR from bqi343/cp-notebook :: Contests/USACO Training/Ch 1/1.1 beads (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_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::basic_ifstream", align 8
  %3 = alloca %"class.std::basic_ofstream", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  %13 = alloca i8, align 1
  %14 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr %2) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %2, ptr noundef @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr %3) #7
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %3, ptr noundef @.str.1, i32 noundef 16)
          to label %15 unwind label %29

15:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %17 unwind label %33

17:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  %18 = 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) %2, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %19 unwind label %37

19:                                               ; preds = %17
  %20 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %21 unwind label %37

21:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %168, %21
  %23 = load i32, ptr %9, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  %26 = sub i64 %25, 1
  %27 = icmp ult i64 %24, %26
  br i1 %27, label %41, label %28

28:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %177

29:                                               ; preds = %0
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %4, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %5, align 4
  br label %189

33:                                               ; preds = %15
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %188

37:                                               ; preds = %183, %179, %177, %19, %17
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %4, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %5, align 4
  br label %187

41:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %42 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %42, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #7
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %46)
          to label %48 unwind label %99

48:                                               ; preds = %41
  %49 = load i8, ptr %47, align 1, !tbaa !9
  store i8 %49, ptr %12, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #7
  %50 = load i32, ptr %9, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  %52 = sext i32 %51 to i64
  %53 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %52)
          to label %54 unwind label %103

54:                                               ; preds = %48
  %55 = load i8, ptr %53, align 1, !tbaa !9
  store i8 %55, ptr %13, align 1, !tbaa !9
  br label %56

56:                                               ; preds = %109, %54
  %57 = load i32, ptr %10, align 4, !tbaa !5
  %58 = icmp sgt i32 %57, 0
  br i1 %58, label %59, label %110

59:                                               ; preds = %56
  %60 = load i8, ptr %12, align 1, !tbaa !9
  %61 = sext i8 %60 to i32
  %62 = icmp eq i32 %61, 119
  br i1 %62, label %83, label %63

63:                                               ; preds = %59
  %64 = load i32, ptr %10, align 4, !tbaa !5
  %65 = sub nsw i32 %64, 1
  %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) %8, i64 noundef %66)
          to label %68 unwind label %103

68:                                               ; preds = %63
  %69 = load i8, ptr %67, align 1, !tbaa !9
  %70 = sext i8 %69 to i32
  %71 = icmp eq i32 %70, 119
  br i1 %71, label %83, label %72

72:                                               ; preds = %68
  %73 = load i32, ptr %10, align 4, !tbaa !5
  %74 = sub nsw i32 %73, 1
  %75 = sext i32 %74 to i64
  %76 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %75)
          to label %77 unwind label %103

77:                                               ; preds = %72
  %78 = load i8, ptr %76, align 1, !tbaa !9
  %79 = sext i8 %78 to i32
  %80 = load i8, ptr %12, align 1, !tbaa !9
  %81 = sext i8 %80 to i32
  %82 = icmp eq i32 %79, %81
  br i1 %82, label %83, label %108

83:                                               ; preds = %77, %68, %59
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = add nsw i32 %84, -1
  store i32 %85, ptr %10, align 4, !tbaa !5
  %86 = load i32, ptr %10, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %87)
          to label %89 unwind label %103

89:                                               ; preds = %83
  %90 = load i8, ptr %88, align 1, !tbaa !9
  %91 = sext i8 %90 to i32
  %92 = icmp ne i32 %91, 119
  br i1 %92, label %93, label %107

93:                                               ; preds = %89
  %94 = load i32, ptr %10, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %95)
          to label %97 unwind label %103

97:                                               ; preds = %93
  %98 = load i8, ptr %96, align 1, !tbaa !9
  store i8 %98, ptr %12, align 1, !tbaa !9
  br label %107

99:                                               ; preds = %41
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %4, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %5, align 4
  br label %176

103:                                              ; preds = %151, %141, %130, %121, %93, %83, %72, %63, %48
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %4, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %5, align 4
  br label %175

107:                                              ; preds = %97, %89
  br label %109

108:                                              ; preds = %77
  br label %110

109:                                              ; preds = %107
  br label %56, !llvm.loop !10

110:                                              ; preds = %108, %56
  br label %111

111:                                              ; preds = %159, %110
  %112 = load i32, ptr %11, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  %115 = sub i64 %114, 1
  %116 = icmp ult i64 %113, %115
  br i1 %116, label %117, label %160

117:                                              ; preds = %111
  %118 = load i8, ptr %13, align 1, !tbaa !9
  %119 = sext i8 %118 to i32
  %120 = icmp eq i32 %119, 119
  br i1 %120, label %141, label %121

121:                                              ; preds = %117
  %122 = load i32, ptr %11, align 4, !tbaa !5
  %123 = add nsw i32 %122, 1
  %124 = sext i32 %123 to i64
  %125 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %124)
          to label %126 unwind label %103

126:                                              ; preds = %121
  %127 = load i8, ptr %125, align 1, !tbaa !9
  %128 = sext i8 %127 to i32
  %129 = icmp eq i32 %128, 119
  br i1 %129, label %141, label %130

130:                                              ; preds = %126
  %131 = load i32, ptr %11, align 4, !tbaa !5
  %132 = add nsw i32 %131, 1
  %133 = sext i32 %132 to i64
  %134 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %133)
          to label %135 unwind label %103

135:                                              ; preds = %130
  %136 = load i8, ptr %134, align 1, !tbaa !9
  %137 = sext i8 %136 to i32
  %138 = load i8, ptr %13, align 1, !tbaa !9
  %139 = sext i8 %138 to i32
  %140 = icmp eq i32 %137, %139
  br i1 %140, label %141, label %158

141:                                              ; preds = %135, %126, %117
  %142 = load i32, ptr %11, align 4, !tbaa !5
  %143 = add nsw i32 %142, 1
  store i32 %143, ptr %11, align 4, !tbaa !5
  %144 = load i32, ptr %11, align 4, !tbaa !5
  %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) %8, i64 noundef %145)
          to label %147 unwind label %103

147:                                              ; preds = %141
  %148 = load i8, ptr %146, align 1, !tbaa !9
  %149 = sext i8 %148 to i32
  %150 = icmp ne i32 %149, 119
  br i1 %150, label %151, label %157

151:                                              ; preds = %147
  %152 = load i32, ptr %11, align 4, !tbaa !5
  %153 = sext i32 %152 to i64
  %154 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %153)
          to label %155 unwind label %103

155:                                              ; preds = %151
  %156 = load i8, ptr %154, align 1, !tbaa !9
  store i8 %156, ptr %13, align 1, !tbaa !9
  br label %157

157:                                              ; preds = %155, %147
  br label %159

158:                                              ; preds = %135
  br label %160

159:                                              ; preds = %157
  br label %111, !llvm.loop !12

160:                                              ; preds = %158, %111
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  %161 = load i32, ptr %11, align 4, !tbaa !5
  %162 = load i32, ptr %10, align 4, !tbaa !5
  %163 = sub nsw i32 %161, %162
  %164 = add nsw i32 %163, 1
  store i32 %164, ptr %14, align 4, !tbaa !5
  %165 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %166 unwind label %171

166:                                              ; preds = %160
  %167 = load i32, ptr %165, align 4, !tbaa !5
  store i32 %167, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %168

168:                                              ; preds = %166
  %169 = load i32, ptr %9, align 4, !tbaa !5
  %170 = add nsw i32 %169, 1
  store i32 %170, ptr %9, align 4, !tbaa !5
  br label %22, !llvm.loop !13

171:                                              ; preds = %160
  %172 = landingpad { ptr, i32 }
          cleanup
  %173 = extractvalue { ptr, i32 } %172, 0
  store ptr %173, ptr %4, align 8
  %174 = extractvalue { ptr, i32 } %172, 1
  store i32 %174, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %175

175:                                              ; preds = %171, %103
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #7
  br label %176

176:                                              ; preds = %175, %99
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %187

177:                                              ; preds = %28
  %178 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %179 unwind label %37

179:                                              ; preds = %177
  %180 = load i32, ptr %178, align 4, !tbaa !5
  store i32 %180, ptr %7, align 4, !tbaa !5
  %181 = load i32, ptr %7, align 4, !tbaa !5
  %182 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef %181)
          to label %183 unwind label %37

183:                                              ; preds = %179
  %184 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %182, ptr noundef @.str.2)
          to label %185 unwind label %37

185:                                              ; preds = %183
  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 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #7
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #7
  %186 = load i32, ptr %1, align 4
  ret i32 %186

187:                                              ; preds = %176, %37
  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
  br label %188

188:                                              ; preds = %187, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #7
  br label %189

189:                                              ; preds = %188, %29
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #7
  br label %190

190:                                              ; preds = %189
  %191 = load ptr, ptr %4, align 8
  %192 = load i32, ptr %5, align 4
  %193 = insertvalue { ptr, i32 } poison, ptr %191, 0
  %194 = insertvalue { ptr, i32 } %193, i32 %192, 1
  resume { ptr, i32 } %194
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 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) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; 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) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; 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_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::basic_ifstream", align 8
  %2 = alloca %"class.std::basic_ofstream", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %1) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %2) #7
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %2, ptr noundef nonnull @.str.1, i32 noundef 16)
          to label %7 unwind label %17

7:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 0, ptr %4, align 4, !tbaa !5
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %9 unwind label %19

9:                                                ; preds = %7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #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) %1, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %11 unwind label %21

11:                                               ; preds = %9
  %12 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %.preheader unwind label %21

.preheader:                                       ; preds = %11
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  %.not56 = icmp eq i64 %13, 1
  br i1 %.not56, label %._crit_edge55, label %.lr.ph54

._crit_edge55:                                    ; preds = %._crit_edge49, %.preheader
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %15 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %15, ptr %4, align 4, !tbaa !5
  %16 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef %15)
          to label %74 unwind label %21

17:                                               ; preds = %0
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %78

19:                                               ; preds = %7
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %77

21:                                               ; preds = %74, %._crit_edge55, %11, %9
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  br label %77

.lr.ph54:                                         ; preds = %.preheader, %._crit_edge49
  %indvars.iv60 = phi i64 [ %indvars.iv.next61, %._crit_edge49 ], [ 1, %.preheader ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge49 ], [ 0, %.preheader ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %indvars.iv)
  %24 = load i8, ptr %23, align 1, !tbaa !9
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %indvars.iv.next)
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %.not57 = icmp eq i64 %indvars.iv, 0
  br i1 %.not57, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph54, %41
  %indvars.iv58 = phi i64 [ %indvars.iv.next59, %41 ], [ %indvars.iv, %.lr.ph54 ]
  %.02642 = phi i8 [ %.127, %41 ], [ %24, %.lr.ph54 ]
  %27 = icmp eq i8 %.02642, 119
  %.pre66 = add i64 %indvars.iv58, 4294967295
  %.pre68 = and i64 %.pre66, 4294967295
  br i1 %27, label %.lr.ph._crit_edge, label %28

28:                                               ; preds = %.lr.ph
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre68)
  %30 = load i8, ptr %29, align 1, !tbaa !9
  %31 = icmp eq i8 %30, 119
  br i1 %31, label %.lr.ph._crit_edge, label %32

32:                                               ; preds = %28
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre68)
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = icmp eq i8 %34, %.02642
  br i1 %35, label %.lr.ph._crit_edge, label %._crit_edge.loopexit.split.loop.exit

.lr.ph._crit_edge:                                ; preds = %.lr.ph, %32, %28
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre68)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %.not40 = icmp eq i8 %37, 119
  br i1 %.not40, label %41, label %38

38:                                               ; preds = %.lr.ph._crit_edge
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre68)
  %40 = load i8, ptr %39, align 1, !tbaa !9
  br label %41

41:                                               ; preds = %.lr.ph._crit_edge, %38
  %.127 = phi i8 [ %40, %38 ], [ %.02642, %.lr.ph._crit_edge ]
  %42 = icmp sgt i64 %indvars.iv58, 1
  %indvars.iv.next59 = add nsw i64 %indvars.iv58, -1
  br i1 %42, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge.loopexit.split.loop.exit:             ; preds = %32
  %43 = trunc nuw i64 %indvars.iv58 to i32
  br label %._crit_edge

._crit_edge:                                      ; preds = %41, %._crit_edge.loopexit.split.loop.exit, %.lr.ph54
  %.029.lcssa = phi i32 [ 0, %.lr.ph54 ], [ %43, %._crit_edge.loopexit.split.loop.exit ], [ 0, %41 ]
  %44 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  %45 = add i64 %44, -1
  %46 = icmp ugt i64 %45, %indvars.iv.next
  %47 = trunc nuw i64 %indvars.iv.next to i32
  br i1 %46, label %.lr.ph48, label %._crit_edge49

.lr.ph48:                                         ; preds = %._crit_edge, %63
  %indvars.iv62 = phi i64 [ %.pre, %63 ], [ %indvars.iv60, %._crit_edge ]
  %.046 = phi i8 [ %.1, %63 ], [ %26, %._crit_edge ]
  %.02845 = phi i32 [ %57, %63 ], [ %47, %._crit_edge ]
  %48 = icmp eq i8 %.046, 119
  %.pre = add nuw nsw i64 %indvars.iv62, 1
  br i1 %48, label %.lr.ph48._crit_edge, label %49

49:                                               ; preds = %.lr.ph48
  %50 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre)
  %51 = load i8, ptr %50, align 1, !tbaa !9
  %52 = icmp eq i8 %51, 119
  br i1 %52, label %.lr.ph48._crit_edge, label %53

53:                                               ; preds = %49
  %54 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre)
  %55 = load i8, ptr %54, align 1, !tbaa !9
  %56 = icmp eq i8 %55, %.046
  br i1 %56, label %.lr.ph48._crit_edge, label %._crit_edge49.loopexit.split.loop.exit

.lr.ph48._crit_edge:                              ; preds = %.lr.ph48, %53, %49
  %57 = add nuw nsw i32 %.02845, 1
  %58 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre)
  %59 = load i8, ptr %58, align 1, !tbaa !9
  %.not = icmp eq i8 %59, 119
  br i1 %.not, label %63, label %60

60:                                               ; preds = %.lr.ph48._crit_edge
  %61 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre)
  %62 = load i8, ptr %61, align 1, !tbaa !9
  br label %63

63:                                               ; preds = %.lr.ph48._crit_edge, %60
  %.1 = phi i8 [ %62, %60 ], [ %.046, %.lr.ph48._crit_edge ]
  %64 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  %65 = add i64 %64, -1
  %66 = icmp ugt i64 %65, %.pre
  br i1 %66, label %.lr.ph48, label %._crit_edge49, !llvm.loop !12

._crit_edge49.loopexit.split.loop.exit:           ; preds = %53
  %67 = trunc nuw i64 %indvars.iv62 to i32
  br label %._crit_edge49

._crit_edge49:                                    ; preds = %63, %._crit_edge49.loopexit.split.loop.exit, %._crit_edge
  %.028.lcssa = phi i32 [ %47, %._crit_edge ], [ %67, %._crit_edge49.loopexit.split.loop.exit ], [ %57, %63 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  %reass.sub = sub i32 %.028.lcssa, %.029.lcssa
  %68 = add i32 %reass.sub, 1
  store i32 %68, ptr %6, align 4, !tbaa !5
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %70 = load i32, ptr %69, align 4, !tbaa !5
  store i32 %70, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  %71 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  %72 = add i64 %71, -1
  %73 = icmp ugt i64 %72, %indvars.iv.next
  %indvars.iv.next61 = add nuw i64 %indvars.iv60, 1
  br i1 %73, label %.lr.ph54, label %._crit_edge55, !llvm.loop !13

74:                                               ; preds = %._crit_edge55
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @.str.2)
          to label %76 unwind label %21

76:                                               ; preds = %74
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #7
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #7
  ret i32 0

77:                                               ; preds = %21, %19
  %.pn = phi { ptr, i32 } [ %22, %21 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #7
  br label %78

78:                                               ; preds = %77, %17
  %.pn.pn = phi { ptr, i32 } [ %.pn, %77 ], [ %18, %17 ]
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 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 #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; 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 #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; Effective O3 passes: ADCEPass,BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass