; LLVM IR from smv1999/CompetitiveProgrammingQuestionBank :: Strings/zigZagConversion.ll/Z7convertNSt7 (cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.0" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.6" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7convertNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1, i32 noundef %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::allocator.0", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  %13 = alloca ptr, align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i8, align 1
  %17 = alloca i1, align 1
  %18 = alloca %"class.std::allocator", align 1
  %19 = alloca ptr, align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %22 = alloca i32, align 4
  %23 = alloca %"class.std::vector.3", align 8
  %24 = alloca ptr, align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %26 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %27 = alloca i8, align 1
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #4
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #4
  call void @_ZNSaISt6vectorIcSaIcEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %29, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %30 unwind label %40

30:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorISt6vectorIcSaIcEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #4
  store i8 1, ptr %12, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  store ptr %1, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %31 = load ptr, ptr %13, align 8, !tbaa !5
  %32 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %31) #4
  %33 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %32, ptr %33, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %34 = load ptr, ptr %13, align 8, !tbaa !5
  %35 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %34) #4
  %36 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %35, ptr %36, align 8
  br label %37

37:                                               ; preds = %82, %30
  %38 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  br i1 %38, label %44, label %39

39:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %84

40:                                               ; preds = %3
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %9, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %10, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIcSaIcEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  br label %136

44:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #4
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  %46 = load i8, ptr %45, align 1, !tbaa !13
  store i8 %46, ptr %16, align 1, !tbaa !13
  %47 = load i32, ptr %11, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %48) #4
  invoke void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24) %49, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %50 unwind label %58

50:                                               ; preds = %44
  %51 = load i8, ptr %12, align 1, !tbaa !11, !range !14, !noundef !15
  %52 = trunc i8 %51 to i1
  %53 = zext i1 %52 to i32
  %54 = icmp eq i32 %53, 1
  br i1 %54, label %55, label %62

55:                                               ; preds = %50
  %56 = load i32, ptr %11, align 4, !tbaa !9
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %11, align 4, !tbaa !9
  br label %62

58:                                               ; preds = %44
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %9, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %135

62:                                               ; preds = %55, %50
  %63 = load i32, ptr %11, align 4, !tbaa !9
  %64 = load i32, ptr %6, align 4, !tbaa !9
  %65 = icmp eq i32 %63, %64
  br i1 %65, label %66, label %69

66:                                               ; preds = %62
  store i8 0, ptr %12, align 1, !tbaa !11
  %67 = load i32, ptr %11, align 4, !tbaa !9
  %68 = add nsw i32 %67, -1
  store i32 %68, ptr %11, align 4, !tbaa !9
  br label %69

69:                                               ; preds = %66, %62
  %70 = load i8, ptr %12, align 1, !tbaa !11, !range !14, !noundef !15
  %71 = trunc i8 %70 to i1
  %72 = zext i1 %71 to i32
  %73 = icmp eq i32 %72, 0
  br i1 %73, label %74, label %77

74:                                               ; preds = %69
  %75 = load i32, ptr %11, align 4, !tbaa !9
  %76 = add nsw i32 %75, -1
  store i32 %76, ptr %11, align 4, !tbaa !9
  br label %77

77:                                               ; preds = %74, %69
  %78 = load i32, ptr %11, align 4, !tbaa !9
  %79 = icmp sle i32 %78, 0
  br i1 %79, label %80, label %81

80:                                               ; preds = %77
  store i8 1, ptr %12, align 1, !tbaa !11
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %81

81:                                               ; preds = %80, %77
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  br label %82

82:                                               ; preds = %81
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br label %37

84:                                               ; preds = %39
  store i1 false, ptr %17, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %85 unwind label %95

85:                                               ; preds = %84
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  store ptr %7, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  %86 = load ptr, ptr %19, align 8, !tbaa !5
  %87 = call ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %86) #4
  %88 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %20, i32 0, i32 0
  store ptr %87, ptr %88, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %89 = load ptr, ptr %19, align 8, !tbaa !5
  %90 = call ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %89) #4
  %91 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %21, i32 0, i32 0
  store ptr %90, ptr %91, align 8
  br label %92

92:                                               ; preds = %128, %85
  %93 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %21) #4
  br i1 %93, label %99, label %94

94:                                               ; preds = %92
  store i32 4, ptr %22, align 4
  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 %131

95:                                               ; preds = %84
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %9, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  br label %135

99:                                               ; preds = %92
  call void @llvm.lifetime.start.p0(i64 24, ptr %23) #4
  %100 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #4
  invoke void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %23, ptr noundef nonnull align 8 dereferenceable(24) %100)
          to label %101 unwind label %111

101:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #4
  store ptr %23, ptr %24, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #4
  %102 = load ptr, ptr %24, align 8, !tbaa !5
  %103 = call ptr @_ZNSt6vectorIcSaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %102) #4
  %104 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %25, i32 0, i32 0
  store ptr %103, ptr %104, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #4
  %105 = load ptr, ptr %24, align 8, !tbaa !5
  %106 = call ptr @_ZNSt6vectorIcSaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %105) #4
  %107 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.6", ptr %26, i32 0, i32 0
  store ptr %106, ptr %107, align 8
  br label %108

108:                                              ; preds = %121, %101
  %109 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcSt6vectorIcSaIcEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef nonnull align 8 dereferenceable(8) %26) #4
  br i1 %109, label %115, label %110

110:                                              ; preds = %108
  store i32 6, ptr %22, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #4
  br label %127

111:                                              ; preds = %99
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %9, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %10, align 4
  br label %130

115:                                              ; preds = %108
  call void @llvm.lifetime.start.p0(i64 1, ptr %27) #4
  %116 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %25) #4
  %117 = load i8, ptr %116, align 1, !tbaa !13
  store i8 %117, ptr %27, align 1, !tbaa !13
  %118 = load i8, ptr %27, align 1, !tbaa !13
  %119 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %118)
          to label %120 unwind label %123

120:                                              ; preds = %115
  call void @llvm.lifetime.end.p0(i64 1, ptr %27) #4
  br label %121

121:                                              ; preds = %120
  %122 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %25) #4
  br label %108

123:                                              ; preds = %115
  %124 = landingpad { ptr, i32 }
          cleanup
  %125 = extractvalue { ptr, i32 } %124, 0
  store ptr %125, ptr %9, align 8
  %126 = extractvalue { ptr, i32 } %124, 1
  store i32 %126, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %27) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %23) #4
  br label %130

127:                                              ; preds = %110
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %23) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %23) #4
  br label %128

128:                                              ; preds = %127
  %129 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #4
  br label %92

130:                                              ; preds = %123, %111
  call void @llvm.lifetime.end.p0(i64 24, ptr %23) #4
  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
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %135

131:                                              ; preds = %94
  store i1 true, ptr %17, align 1
  store i32 1, ptr %22, align 4
  %132 = load i1, ptr %17, align 1
  br i1 %132, label %134, label %133

133:                                              ; preds = %131
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %134

134:                                              ; preds = %133, %131
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  ret void

135:                                              ; preds = %130, %95, %58
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  br label %136

136:                                              ; preds = %135, %40
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  br label %137

137:                                              ; preds = %136
  %138 = load ptr, ptr %9, align 8
  %139 = load i32, ptr %10, align 4
  %140 = insertvalue { ptr, i32 } poison, ptr %138, 0
  %141 = insertvalue { ptr, i32 } %140, i32 %139, 1
  resume { ptr, i32 } %141
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIcSaIcEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 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) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIcSaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIcSaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcSt6vectorIcSaIcEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIcSaIcEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = !{i8 0, i8 2}
!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::__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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.0" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.6" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7convertNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator.0", align 1
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i8, align 1
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %12 = alloca %"class.std::vector.3", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator.6", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  %15 = sext i32 %2 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaISt6vectorIcSaIcEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %16 unwind label %20

16:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorISt6vectorIcSaIcEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %17 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  store ptr %17, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %18 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  store ptr %18, ptr %7, align 8
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %19, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %26, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %38 unwind label %42

20:                                               ; preds = %3
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIcSaIcEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  br label %63

.lr.ph:                                           ; preds = %16, %26
  %.02233 = phi i32 [ %.4, %26 ], [ 0, %16 ]
  %.02532 = phi i8 [ %.227, %26 ], [ 1, %16 ]
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %23 = load i8, ptr %22, align 1, !tbaa !5
  store i8 %23, ptr %8, align 1, !tbaa !5
  %24 = zext nneg i32 %.02233 to i64
  %25 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %24) #4
  invoke void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24) %25, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %26 unwind label %36

26:                                               ; preds = %.lr.ph
  %27 = and i8 %.02532, 1
  %28 = zext nneg i8 %27 to i32
  %spec.select = add nuw nsw i32 %.02233, %28
  %29 = icmp eq i32 %spec.select, %2
  %.126 = select i1 %29, i8 0, i8 %.02532
  %30 = sext i1 %29 to i32
  %.224 = add nsw i32 %spec.select, %30
  %31 = and i8 %.126, 1
  %sext = add nsw i8 %31, -1
  %32 = sext i8 %sext to i32
  %.3 = add nsw i32 %.224, %32
  %33 = icmp slt i32 %.3, 1
  %.227 = select i1 %33, i8 1, i8 %.126
  %.4 = select i1 %33, i32 0, i32 %.3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %35 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %35, label %.lr.ph, label %._crit_edge

36:                                               ; preds = %.lr.ph
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  br label %62

38:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %39 = call ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %39, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %40 = call ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %40, ptr %11, align 8
  %41 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br i1 %41, label %.lr.ph38, label %._crit_edge39

._crit_edge39:                                    ; preds = %._crit_edge36, %38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  ret void

42:                                               ; preds = %._crit_edge
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  br label %62

.lr.ph38:                                         ; preds = %38, %._crit_edge36
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %12) #4
  %44 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  invoke void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %44)
          to label %45 unwind label %51

45:                                               ; preds = %.lr.ph38
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #4
  %46 = call ptr @_ZNSt6vectorIcSaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %46, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #4
  %47 = call ptr @_ZNSt6vectorIcSaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %47, ptr %14, align 8
  %48 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcSt6vectorIcSaIcEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br i1 %48, label %.lr.ph35, label %._crit_edge36

._crit_edge36:                                    ; preds = %56, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #4
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %50 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br i1 %50, label %.lr.ph38, label %._crit_edge39

51:                                               ; preds = %.lr.ph38
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %61

.lr.ph35:                                         ; preds = %45, %56
  %53 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  %54 = load i8, ptr %53, align 1, !tbaa !5
  %55 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %54)
          to label %56 unwind label %59

56:                                               ; preds = %.lr.ph35
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  %58 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcSt6vectorIcSaIcEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br i1 %58, label %.lr.ph35, label %._crit_edge36

59:                                               ; preds = %.lr.ph35
  %60 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  br label %61

61:                                               ; preds = %59, %51
  %.pn = phi { ptr, i32 } [ %60, %59 ], [ %52, %51 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %62

62:                                               ; preds = %61, %42, %36
  %.pn29 = phi { ptr, i32 } [ %37, %36 ], [ %.pn, %61 ], [ %43, %42 ]
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  br label %63

63:                                               ; preds = %62, %20
  %.pn29.pn = phi { ptr, i32 } [ %.pn29, %62 ], [ %21, %20 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  resume { ptr, i32 } %.pn29.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 nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIcSaIcEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 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) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIcSaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIcSaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcSt6vectorIcSaIcEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcSt6vectorIcSaIcEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIcSaIcEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIcSaIcEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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