; LLVM IR from TheAlgorithms/C-Plus-Plus :: divide_and_conquer (karatsuba_algorithm_for_fast_multiplication)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN18divide_and_conquer19karatsuba_algorithm11add_stringsENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1, ptr noundef %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i1, align 1
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  %19 = alloca i64, align 8
  %20 = alloca i64, align 8
  %21 = alloca i64, align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %24 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %26 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %27 = alloca %"class.__gnu_cxx::__normal_iterator", 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
  store i1 false, ptr %7, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %28 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  store i64 %28, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %29 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  store i64 %29, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %30 unwind label %42

30:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  %31 = load i64, ptr %8, align 8, !tbaa !9
  %32 = load i64, ptr %9, align 8, !tbaa !9
  %33 = icmp slt i64 %31, %32
  br i1 %33, label %34, label %61

34:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  store i64 0, ptr %14, align 8, !tbaa !9
  br label %35

35:                                               ; preds = %53, %34
  %36 = load i64, ptr %14, align 8, !tbaa !9
  %37 = load i64, ptr %9, align 8, !tbaa !9
  %38 = load i64, ptr %8, align 8, !tbaa !9
  %39 = sub nsw i64 %37, %38
  %40 = icmp slt i64 %36, %39
  br i1 %40, label %46, label %41

41:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  br label %60

42:                                               ; preds = %3
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %12, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %13, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %186

46:                                               ; preds = %35
  %47 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %48 unwind label %56

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %50 unwind label %56

50:                                               ; preds = %48
  %51 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef @.str)
          to label %52 unwind label %56

52:                                               ; preds = %50
  br label %53

53:                                               ; preds = %52
  %54 = load i64, ptr %14, align 8, !tbaa !9
  %55 = add nsw i64 %54, 1
  store i64 %55, ptr %14, align 8, !tbaa !9
  br label %35, !llvm.loop !11

56:                                               ; preds = %50, %48, %46
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %12, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  br label %185

60:                                               ; preds = %41
  br label %89

61:                                               ; preds = %30
  %62 = load i64, ptr %8, align 8, !tbaa !9
  %63 = load i64, ptr %9, align 8, !tbaa !9
  %64 = icmp sgt i64 %62, %63
  br i1 %64, label %65, label %88

65:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  store i64 0, ptr %15, align 8, !tbaa !9
  br label %66

66:                                               ; preds = %80, %65
  %67 = load i64, ptr %15, align 8, !tbaa !9
  %68 = load i64, ptr %8, align 8, !tbaa !9
  %69 = load i64, ptr %9, align 8, !tbaa !9
  %70 = sub nsw i64 %68, %69
  %71 = icmp slt i64 %67, %70
  br i1 %71, label %73, label %72

72:                                               ; preds = %66
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %87

73:                                               ; preds = %66
  %74 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %75 unwind label %83

75:                                               ; preds = %73
  %76 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %77 unwind label %83

77:                                               ; preds = %75
  %78 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef @.str)
          to label %79 unwind label %83

79:                                               ; preds = %77
  br label %80

80:                                               ; preds = %79
  %81 = load i64, ptr %15, align 8, !tbaa !9
  %82 = add nsw i64 %81, 1
  store i64 %82, ptr %15, align 8, !tbaa !9
  br label %66, !llvm.loop !13

83:                                               ; preds = %77, %75, %73
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %12, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %185

87:                                               ; preds = %72
  br label %88

88:                                               ; preds = %87, %61
  br label %89

89:                                               ; preds = %88, %60
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %90 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIlERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %91 unwind label %99

91:                                               ; preds = %89
  %92 = load i64, ptr %90, align 8, !tbaa !9
  store i64 %92, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  store i64 0, ptr %17, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %93 = load i64, ptr %16, align 8, !tbaa !9
  %94 = sub nsw i64 %93, 1
  store i64 %94, ptr %18, align 8, !tbaa !9
  br label %95

95:                                               ; preds = %149, %91
  %96 = load i64, ptr %18, align 8, !tbaa !9
  %97 = icmp sge i64 %96, 0
  br i1 %97, label %103, label %98

98:                                               ; preds = %95
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  br label %166

99:                                               ; preds = %89
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %12, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %13, align 4
  br label %184

103:                                              ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %104 = load i64, ptr %18, align 8, !tbaa !9
  %105 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %104)
          to label %106 unwind label %152

106:                                              ; preds = %103
  %107 = load i8, ptr %105, align 1, !tbaa !14
  %108 = sext i8 %107 to i32
  %109 = sub nsw i32 %108, 48
  %110 = sext i32 %109 to i64
  store i64 %110, ptr %19, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  %111 = load i64, ptr %18, align 8, !tbaa !9
  %112 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %111)
          to label %113 unwind label %156

113:                                              ; preds = %106
  %114 = load i8, ptr %112, align 1, !tbaa !14
  %115 = sext i8 %114 to i32
  %116 = sub nsw i32 %115, 48
  %117 = sext i32 %116 to i64
  store i64 %117, ptr %20, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %118 = load i64, ptr %19, align 8, !tbaa !9
  %119 = load i64, ptr %20, align 8, !tbaa !9
  %120 = xor i64 %118, %119
  %121 = load i64, ptr %17, align 8, !tbaa !9
  %122 = xor i64 %120, %121
  %123 = trunc i64 %122 to i8
  %124 = sext i8 %123 to i32
  %125 = add nsw i32 %124, 48
  %126 = sext i32 %125 to i64
  store i64 %126, ptr %21, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #4
  %127 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %128 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %127, ptr %128, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef nonnull align 8 dereferenceable(8) %23) #4
  %129 = load i64, ptr %21, align 8, !tbaa !9
  %130 = trunc i64 %129 to i8
  %131 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %22, i32 0, i32 0
  %132 = load ptr, ptr %131, align 8
  %133 = invoke ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEN9__gnu_cxx17__normal_iteratorIPKcS4_EEc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr %132, i8 noundef signext %130)
          to label %134 unwind label %160

134:                                              ; preds = %113
  %135 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %24, i32 0, i32 0
  store ptr %133, ptr %135, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #4
  %136 = load i64, ptr %19, align 8, !tbaa !9
  %137 = load i64, ptr %20, align 8, !tbaa !9
  %138 = and i64 %136, %137
  %139 = load i64, ptr %20, align 8, !tbaa !9
  %140 = load i64, ptr %17, align 8, !tbaa !9
  %141 = and i64 %139, %140
  %142 = or i64 %138, %141
  %143 = load i64, ptr %19, align 8, !tbaa !9
  %144 = load i64, ptr %17, align 8, !tbaa !9
  %145 = and i64 %143, %144
  %146 = or i64 %142, %145
  %147 = trunc i64 %146 to i8
  %148 = sext i8 %147 to i64
  store i64 %148, ptr %17, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  br label %149

149:                                              ; preds = %134
  %150 = load i64, ptr %18, align 8, !tbaa !9
  %151 = add nsw i64 %150, -1
  store i64 %151, ptr %18, align 8, !tbaa !9
  br label %95, !llvm.loop !15

152:                                              ; preds = %103
  %153 = landingpad { ptr, i32 }
          cleanup
  %154 = extractvalue { ptr, i32 } %153, 0
  store ptr %154, ptr %12, align 8
  %155 = extractvalue { ptr, i32 } %153, 1
  store i32 %155, ptr %13, align 4
  br label %165

156:                                              ; preds = %106
  %157 = landingpad { ptr, i32 }
          cleanup
  %158 = extractvalue { ptr, i32 } %157, 0
  store ptr %158, ptr %12, align 8
  %159 = extractvalue { ptr, i32 } %157, 1
  store i32 %159, ptr %13, align 4
  br label %164

160:                                              ; preds = %113
  %161 = landingpad { ptr, i32 }
          cleanup
  %162 = extractvalue { ptr, i32 } %161, 0
  store ptr %162, ptr %12, align 8
  %163 = extractvalue { ptr, i32 } %161, 1
  store i32 %163, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  br label %164

164:                                              ; preds = %160, %156
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  br label %165

165:                                              ; preds = %164, %152
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  br label %183

166:                                              ; preds = %98
  %167 = load i64, ptr %17, align 8, !tbaa !9
  %168 = icmp ne i64 %167, 0
  br i1 %168, label %169, label %181

169:                                              ; preds = %166
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #4
  %170 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %171 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %26, i32 0, i32 0
  store ptr %170, ptr %171, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef nonnull align 8 dereferenceable(8) %26) #4
  %172 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %25, i32 0, i32 0
  %173 = load ptr, ptr %172, align 8
  %174 = invoke ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEN9__gnu_cxx17__normal_iteratorIPKcS4_EEc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr %173, i8 noundef signext 49)
          to label %175 unwind label %177

175:                                              ; preds = %169
  %176 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %27, i32 0, i32 0
  store ptr %174, ptr %176, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #4
  br label %181

177:                                              ; preds = %169
  %178 = landingpad { ptr, i32 }
          cleanup
  %179 = extractvalue { ptr, i32 } %178, 0
  store ptr %179, ptr %12, align 8
  %180 = extractvalue { ptr, i32 } %178, 1
  store i32 %180, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #4
  br label %183

181:                                              ; preds = %175, %166
  store i1 true, ptr %7, align 1
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %182 = load i1, ptr %7, align 1
  br i1 %182, label %188, label %187

183:                                              ; preds = %177, %165
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  br label %184

184:                                              ; preds = %183, %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %185

185:                                              ; preds = %184, %83, %56
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  br label %186

186:                                              ; preds = %185, %42
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %189

187:                                              ; preds = %181
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %188

188:                                              ; preds = %187, %181
  ret void

189:                                              ; preds = %186
  %190 = load ptr, ptr %12, align 8
  %191 = load i32, ptr %13, align 4
  %192 = insertvalue { ptr, i32 } poison, ptr %190, 0
  %193 = insertvalue { ptr, i32 } %192, i32 %191, 1
  resume { ptr, i32 } %193
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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)) #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 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)) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIlERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEN9__gnu_cxx17__normal_iteratorIPKcS4_EEc(ptr noundef nonnull align 8 dereferenceable(32), ptr, i8 noundef signext) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!7, !7, i64 0}
!15 = distinct !{!15, !12}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN18divide_and_conquer19karatsuba_algorithm11add_stringsENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %12 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  store i64 %12, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %13 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  store i64 %13, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %14 unwind label %17

14:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  %15 = icmp slt i64 %12, %13
  br i1 %15, label %.lr.ph47.preheader, label %29

.lr.ph47.preheader:                               ; preds = %14
  %16 = sub nsw i64 %13, %12
  br label %.lr.ph47

17:                                               ; preds = %3
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  br label %84

.lr.ph47:                                         ; preds = %.lr.ph47.preheader, %24
  %.02846 = phi i64 [ %25, %24 ], [ 0, %.lr.ph47.preheader ]
  %19 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %20 unwind label %27

20:                                               ; preds = %.lr.ph47
  %21 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %22 unwind label %27

22:                                               ; preds = %20
  %23 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str)
          to label %24 unwind label %27

24:                                               ; preds = %22
  %25 = add nuw nsw i64 %.02846, 1
  %26 = icmp slt i64 %25, %16
  br i1 %26, label %.lr.ph47, label %.loopexit, !llvm.loop !9

27:                                               ; preds = %22, %20, %.lr.ph47
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %83

29:                                               ; preds = %14
  %30 = icmp sgt i64 %12, %13
  br i1 %30, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %29
  %31 = sub nsw i64 %12, %13
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %37
  %.02945 = phi i64 [ %38, %37 ], [ 0, %.lr.ph.preheader ]
  %32 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %33 unwind label %40

33:                                               ; preds = %.lr.ph
  %34 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %35 unwind label %40

35:                                               ; preds = %33
  %36 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str)
          to label %37 unwind label %40

37:                                               ; preds = %35
  %38 = add nuw nsw i64 %.02945, 1
  %39 = icmp slt i64 %38, %31
  br i1 %39, label %.lr.ph, label %.loopexit, !llvm.loop !11

40:                                               ; preds = %35, %33, %.lr.ph
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %83

.loopexit:                                        ; preds = %37, %24, %29
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIlERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = icmp sgt i64 %43, 0
  br i1 %44, label %.lr.ph51, label %._crit_edge.thread

._crit_edge:                                      ; preds = %63
  %45 = icmp eq i64 %sext, 0
  br i1 %45, label %._crit_edge.thread, label %76

.lr.ph51:                                         ; preds = %.loopexit, %63
  %.03050.in = phi i64 [ %.03050, %63 ], [ %43, %.loopexit ]
  %.03149 = phi i64 [ %68, %63 ], [ 0, %.loopexit ]
  %.03050 = add nsw i64 %.03050.in, -1
  %46 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.03050)
          to label %47 unwind label %70

47:                                               ; preds = %.lr.ph51
  %48 = load i8, ptr %46, align 1, !tbaa !12
  %49 = zext i8 %48 to i64
  %50 = add nsw i64 %49, -48
  %51 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.03050)
          to label %52 unwind label %72

52:                                               ; preds = %47
  %53 = load i8, ptr %51, align 1, !tbaa !12
  %54 = zext i8 %53 to i64
  %55 = add nsw i64 %54, -48
  %56 = xor i64 %50, %.03149
  %57 = xor i64 %56, %55
  %58 = trunc i64 %57 to i8
  %59 = add i8 %58, 48
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %60 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  store ptr %60, ptr %9, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %61 = load ptr, ptr %8, align 8
  %62 = invoke ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEN9__gnu_cxx17__normal_iteratorIPKcS4_EEc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr %61, i8 noundef signext %59)
          to label %63 unwind label %74

63:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  %64 = or i64 %50, %.03149
  %65 = and i64 %55, %64
  %66 = and i64 %50, %.03149
  %67 = or i64 %65, %66
  %sext = shl i64 %67, 56
  %68 = ashr exact i64 %sext, 56
  %69 = icmp ugt i64 %.03050.in, 1
  br i1 %69, label %.lr.ph51, label %._crit_edge, !llvm.loop !13

70:                                               ; preds = %.lr.ph51
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %83

72:                                               ; preds = %47
  %73 = landingpad { ptr, i32 }
          cleanup
  br label %83

74:                                               ; preds = %52
  %75 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  br label %83

76:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %77 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  store ptr %77, ptr %11, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  %78 = load ptr, ptr %10, align 8
  %79 = invoke ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEN9__gnu_cxx17__normal_iteratorIPKcS4_EEc(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr %78, i8 noundef signext 49)
          to label %80 unwind label %81

80:                                               ; preds = %76
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br label %._crit_edge.thread

81:                                               ; preds = %76
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br label %83

._crit_edge.thread:                               ; preds = %.loopexit, %80, %._crit_edge
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret void

83:                                               ; preds = %81, %72, %74, %70, %40, %27
  %.pn37 = phi { ptr, i32 } [ %28, %27 ], [ %41, %40 ], [ %82, %81 ], [ %71, %70 ], [ %75, %74 ], [ %73, %72 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br label %84

84:                                               ; preds = %83, %17
  %.pn37.pn = phi { ptr, i32 } [ %.pn37, %83 ], [ %18, %17 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  resume { ptr, i32 } %.pn37.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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 #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 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 #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIlERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE2atEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEN9__gnu_cxx17__normal_iteratorIPKcS4_EEc(ptr noundef nonnull align 8 dereferenceable(32), ptr, i8 noundef signext) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2IPcvEERKNS0_IT_S8_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nounwind }

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

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


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