; LLVM IR from bldeng/AASolver :: AndersonOpt/external/OpenMesh/Core/IO/reader (STLReader)

; 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.OpenMesh::VectorT" = type { %"struct.std::array" }
%"struct.std::array" = type { [3 x float] }
%"class.std::vector.18" = type { %"struct.std::_Vector_base.19" }
%"struct.std::_Vector_base.19" = type { %"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl" }
%"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl" = type { %"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl_data" }
%"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.OpenMesh::IO::CmpVec" = type { float }
%"class.std::map.23" = type { %"class.std::_Rb_tree.24" }
%"class.std::_Rb_tree.24" = type { %"struct.std::_Rb_tree<OpenMesh::VectorT<float, 3>, std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>, std::_Select1st<std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>>, OpenMesh::IO::CmpVec>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<OpenMesh::VectorT<float, 3>, std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>, std::_Select1st<std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>>, OpenMesh::IO::CmpVec>::_Rb_tree_impl" = type { %"struct.std::_Rb_tree_key_compare.28", %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_key_compare.28" = type { %"class.OpenMesh::IO::CmpVec" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::allocator.29" = type { i8 }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"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::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"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 }
%"struct.OpenMesh::VertexHandle" = type { %"class.OpenMesh::BaseHandle" }
%"class.OpenMesh::BaseHandle" = type { i32 }
%"struct.OpenMesh::FaceHandle" = type { %"class.OpenMesh::BaseHandle" }
%"class.OpenMesh::IO::_STLReader_" = type <{ %"class.OpenMesh::IO::BaseReader", float, [4 x i8] }>
%"class.OpenMesh::IO::BaseReader" = type { ptr }
%"struct.std::pair" = type { %"class.OpenMesh::VectorT", %"struct.OpenMesh::VertexHandle" }

@.str.6 = external hidden unnamed_addr constant [44 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [6 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh2IO7OptionsmIEi(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK8OpenMesh2IO11_STLReader_9read_stlaERSiRNS0_12BaseImporterERNS0_7OptionsE(ptr noundef nonnull align 8 dereferenceable(12) %0, ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(4) %3) #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.OpenMesh::VectorT", align 4
  %12 = alloca %"class.OpenMesh::VectorT", align 4
  %13 = alloca %"class.std::vector.18", align 8
  %14 = alloca %"class.OpenMesh::IO::CmpVec", align 4
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::map.23", align 8
  %18 = alloca %"class.std::allocator.29", align 1
  %19 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %20 = alloca %"class.std::__cxx11::basic_string", align 8
  %21 = alloca %"class.std::__cxx11::basic_string", align 8
  %22 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %23 = alloca i8, align 1
  %24 = alloca i32, align 4
  %25 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %26 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %27 = alloca %"struct.OpenMesh::VertexHandle", align 4
  %28 = alloca %"struct.OpenMesh::FaceHandle", align 4
  %29 = alloca %"struct.OpenMesh::FaceHandle", align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  %30 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 12, ptr %11) #6
  call void @_ZN8OpenMesh7VectorTIfLi3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %11)
  call void @llvm.lifetime.start.p0(i64 12, ptr %12) #6
  call void @_ZN8OpenMesh7VectorTIfLi3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %12)
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #6
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %31 = getelementptr inbounds %"class.OpenMesh::IO::_STLReader_", ptr %30, i32 0, i32 1
  %32 = load float, ptr %31, align 8, !tbaa !9
  invoke void @_ZN8OpenMesh2IO6CmpVecC2Ef(ptr noundef nonnull align 4 dereferenceable(4) %14, float noundef %32)
          to label %33 unwind label %71

33:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 48, ptr %17) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #6
  call void @_ZNSaISt4pairIKN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #6
  invoke void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEC2ERKS5_RKS9_(ptr noundef nonnull align 8 dereferenceable(48) %17, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %34 unwind label %75

34:                                               ; preds = %33
  call void @_ZNSt15__new_allocatorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  call void @_ZNSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %20) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %21) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  call void @llvm.lifetime.start.p0(i64 392, ptr %22) #6
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %22)
          to label %35 unwind label %79

35:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 1, ptr %23) #6
  store i8 0, ptr %23, align 1, !tbaa !13
  br label %36

36:                                               ; preds = %236, %35
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  %38 = load ptr, ptr %37, align 8, !tbaa !15
  %39 = getelementptr i8, ptr %38, i64 -24
  %40 = load i64, ptr %39, align 8
  %41 = getelementptr inbounds i8, ptr %37, i64 %40
  %42 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %41)
          to label %43 unwind label %83

43:                                               ; preds = %36
  br i1 %42, label %44, label %53

44:                                               ; preds = %43
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = load ptr, ptr %45, align 8, !tbaa !15
  %47 = getelementptr i8, ptr %46, i64 -24
  %48 = load i64, ptr %47, align 8
  %49 = getelementptr inbounds i8, ptr %45, i64 %48
  %50 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264) %49)
          to label %51 unwind label %83

51:                                               ; preds = %44
  %52 = xor i1 %50, true
  br label %53

53:                                               ; preds = %51, %43
  %54 = phi i1 [ false, %43 ], [ %52, %51 ]
  br i1 %54, label %55, label %237

55:                                               ; preds = %53
  %56 = load ptr, ptr %7, align 8, !tbaa !5
  %57 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %56, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %58 unwind label %83

58:                                               ; preds = %55
  %59 = load ptr, ptr %7, align 8, !tbaa !5
  %60 = load ptr, ptr %59, align 8, !tbaa !15
  %61 = getelementptr i8, ptr %60, i64 -24
  %62 = load i64, ptr %61, align 8
  %63 = getelementptr inbounds i8, ptr %59, i64 %62
  %64 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3badEv(ptr noundef nonnull align 8 dereferenceable(264) %63)
          to label %65 unwind label %83

65:                                               ; preds = %58
  br i1 %64, label %66, label %87

66:                                               ; preds = %65
  %67 = invoke noundef nonnull align 8 dereferenceable(224) ptr @_Z5omerrv()
          to label %68 unwind label %83

68:                                               ; preds = %66
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef @.str.6)
          to label %70 unwind label %83

70:                                               ; preds = %68
  store i1 false, ptr %5, align 1
  store i32 1, ptr %24, align 4
  br label %238

71:                                               ; preds = %4
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %15, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %16, align 4
  br label %243

75:                                               ; preds = %33
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %15, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %16, align 4
  call void @_ZNSt15__new_allocatorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #6
  br label %242

79:                                               ; preds = %34
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %15, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %16, align 4
  br label %241

83:                                               ; preds = %193, %188, %183, %175, %146, %144, %142, %140, %138, %136, %134, %129, %128, %127, %124, %111, %109, %107, %105, %103, %101, %99, %97, %92, %91, %87, %68, %66, %58, %55, %44, %36
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %15, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %16, align 4
  br label %240

87:                                               ; preds = %65
  invoke void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %88 unwind label %83

88:                                               ; preds = %87
  %89 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef @.str.7, i64 noundef 0) #6
  %90 = icmp ne i64 %89, -1
  br i1 %90, label %91, label %114

91:                                               ; preds = %88
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128) %22, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %92 unwind label %83

92:                                               ; preds = %91
  %93 = load ptr, ptr %22, align 8, !tbaa !15
  %94 = getelementptr i8, ptr %93, i64 -24
  %95 = load i64, ptr %94, align 8
  %96 = getelementptr inbounds i8, ptr %22, i64 %95
  invoke void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264) %96, i32 noundef 0)
          to label %97 unwind label %83

97:                                               ; preds = %92
  %98 = 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) %22, ptr noundef nonnull align 8 dereferenceable(32) %21)
          to label %99 unwind label %83

99:                                               ; preds = %97
  %100 = 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) %22, ptr noundef nonnull align 8 dereferenceable(32) %21)
          to label %101 unwind label %83

101:                                              ; preds = %99
  %102 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %12, i64 noundef 0)
          to label %103 unwind label %83

103:                                              ; preds = %101
  %104 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %102)
          to label %105 unwind label %83

105:                                              ; preds = %103
  %106 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %12, i64 noundef 1)
          to label %107 unwind label %83

107:                                              ; preds = %105
  %108 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %106)
          to label %109 unwind label %83

109:                                              ; preds = %107
  %110 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %12, i64 noundef 2)
          to label %111 unwind label %83

111:                                              ; preds = %109
  %112 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %110)
          to label %113 unwind label %83

113:                                              ; preds = %111
  store i8 1, ptr %23, align 1, !tbaa !13
  br label %114

114:                                              ; preds = %113, %88
  %115 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef @.str.8, i64 noundef 0) #6
  %116 = icmp ne i64 %115, -1
  br i1 %116, label %120, label %117

117:                                              ; preds = %114
  %118 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef @.str.9, i64 noundef 0) #6
  %119 = icmp ne i64 %118, -1
  br i1 %119, label %120, label %236

120:                                              ; preds = %117, %114
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  store i32 0, ptr %10, align 4, !tbaa !17
  br label %121

121:                                              ; preds = %180, %120
  %122 = load i32, ptr %10, align 4, !tbaa !17
  %123 = icmp ult i32 %122, 3
  br i1 %123, label %124, label %183

124:                                              ; preds = %121
  %125 = load ptr, ptr %7, align 8, !tbaa !5
  %126 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %125, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %127 unwind label %83

127:                                              ; preds = %124
  invoke void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %128 unwind label %83

128:                                              ; preds = %127
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128) %22, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %129 unwind label %83

129:                                              ; preds = %128
  %130 = load ptr, ptr %22, align 8, !tbaa !15
  %131 = getelementptr i8, ptr %130, i64 -24
  %132 = load i64, ptr %131, align 8
  %133 = getelementptr inbounds i8, ptr %22, i64 %132
  invoke void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264) %133, i32 noundef 0)
          to label %134 unwind label %83

134:                                              ; preds = %129
  %135 = 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) %22, ptr noundef nonnull align 8 dereferenceable(32) %21)
          to label %136 unwind label %83

136:                                              ; preds = %134
  %137 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %11, i64 noundef 0)
          to label %138 unwind label %83

138:                                              ; preds = %136
  %139 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %137)
          to label %140 unwind label %83

140:                                              ; preds = %138
  %141 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %11, i64 noundef 1)
          to label %142 unwind label %83

142:                                              ; preds = %140
  %143 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %141)
          to label %144 unwind label %83

144:                                              ; preds = %142
  %145 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %11, i64 noundef 2)
          to label %146 unwind label %83

146:                                              ; preds = %144
  %147 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %145)
          to label %148 unwind label %83

148:                                              ; preds = %146
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #6
  %149 = invoke ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE4findERS7_(ptr noundef nonnull align 8 dereferenceable(48) %17, ptr noundef nonnull align 4 dereferenceable(12) %11)
          to label %150 unwind label %167

150:                                              ; preds = %148
  %151 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %25, i32 0, i32 0
  store ptr %149, ptr %151, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %19, ptr align 8 %25, i64 8, i1 false), !tbaa.struct !19
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #6
  %152 = call ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %17) #6
  %153 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %26, i32 0, i32 0
  store ptr %152, ptr %153, align 8
  %154 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull align 8 dereferenceable(8) %26) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  br i1 %154, label %155, label %175

155:                                              ; preds = %150
  call void @llvm.lifetime.start.p0(i64 4, ptr %27) #6
  %156 = load ptr, ptr %8, align 8, !tbaa !5
  %157 = load ptr, ptr %156, align 8, !tbaa !15
  %158 = getelementptr inbounds ptr, ptr %157, i64 2
  %159 = load ptr, ptr %158, align 8
  %160 = invoke i32 %159(ptr noundef nonnull align 8 dereferenceable(8) %156, ptr noundef nonnull align 4 dereferenceable(12) %11)
          to label %161 unwind label %171

161:                                              ; preds = %155
  %162 = getelementptr inbounds %"struct.OpenMesh::VertexHandle", ptr %27, i32 0, i32 0
  %163 = getelementptr inbounds %"class.OpenMesh::BaseHandle", ptr %162, i32 0, i32 0
  store i32 %160, ptr %163, align 4
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 4 dereferenceable(4) %27)
          to label %164 unwind label %171

164:                                              ; preds = %161
  %165 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(48) %17, ptr noundef nonnull align 4 dereferenceable(12) %11)
          to label %166 unwind label %171

166:                                              ; preds = %164
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %165, ptr align 4 %27, i64 4, i1 false)
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #6
  br label %179

167:                                              ; preds = %148
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %15, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  br label %240

171:                                              ; preds = %164, %161, %155
  %172 = landingpad { ptr, i32 }
          cleanup
  %173 = extractvalue { ptr, i32 } %172, 0
  store ptr %173, ptr %15, align 8
  %174 = extractvalue { ptr, i32 } %172, 1
  store i32 %174, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #6
  br label %240

175:                                              ; preds = %150
  %176 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  %177 = getelementptr inbounds %"struct.std::pair", ptr %176, i32 0, i32 1
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 4 dereferenceable(4) %177)
          to label %178 unwind label %83

178:                                              ; preds = %175
  br label %179

179:                                              ; preds = %178, %166
  br label %180

180:                                              ; preds = %179
  %181 = load i32, ptr %10, align 4, !tbaa !17
  %182 = add i32 %181, 1
  store i32 %182, ptr %10, align 4, !tbaa !17
  br label %121, !llvm.loop !20

183:                                              ; preds = %121
  %184 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef 0) #6
  %185 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef 1) #6
  %186 = invoke noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4) %184, ptr noundef nonnull align 4 dereferenceable(4) %185)
          to label %187 unwind label %83

187:                                              ; preds = %183
  br i1 %186, label %188, label %235

188:                                              ; preds = %187
  %189 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef 0) #6
  %190 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef 2) #6
  %191 = invoke noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4) %189, ptr noundef nonnull align 4 dereferenceable(4) %190)
          to label %192 unwind label %83

192:                                              ; preds = %188
  br i1 %191, label %193, label %235

193:                                              ; preds = %192
  %194 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef 1) #6
  %195 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef 2) #6
  %196 = invoke noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4) %194, ptr noundef nonnull align 4 dereferenceable(4) %195)
          to label %197 unwind label %83

197:                                              ; preds = %193
  br i1 %196, label %198, label %235

198:                                              ; preds = %197
  call void @llvm.lifetime.start.p0(i64 4, ptr %28) #6
  %199 = load ptr, ptr %8, align 8, !tbaa !5
  %200 = load ptr, ptr %199, align 8, !tbaa !15
  %201 = getelementptr inbounds ptr, ptr %200, i64 4
  %202 = load ptr, ptr %201, align 8
  %203 = invoke i32 %202(ptr noundef nonnull align 8 dereferenceable(8) %199, ptr noundef nonnull align 8 dereferenceable(24) %13)
          to label %204 unwind label %225

204:                                              ; preds = %198
  %205 = getelementptr inbounds %"struct.OpenMesh::FaceHandle", ptr %28, i32 0, i32 0
  %206 = getelementptr inbounds %"class.OpenMesh::BaseHandle", ptr %205, i32 0, i32 0
  store i32 %203, ptr %206, align 4
  %207 = load i8, ptr %23, align 1, !tbaa !13, !range !22, !noundef !23
  %208 = trunc i8 %207 to i1
  br i1 %208, label %209, label %230

209:                                              ; preds = %204
  %210 = invoke noundef zeroext i1 @_ZNK8OpenMesh10BaseHandle8is_validEv(ptr noundef nonnull align 4 dereferenceable(4) %28)
          to label %211 unwind label %225

211:                                              ; preds = %209
  br i1 %210, label %212, label %229

212:                                              ; preds = %211
  %213 = load ptr, ptr %9, align 8, !tbaa !5
  %214 = invoke noundef zeroext i1 @_ZNK8OpenMesh2IO7Options15face_has_normalEv(ptr noundef nonnull align 4 dereferenceable(4) %213)
          to label %215 unwind label %225

215:                                              ; preds = %212
  br i1 %214, label %216, label %229

216:                                              ; preds = %215
  %217 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %29, ptr align 4 %28, i64 4, i1 false)
  %218 = getelementptr inbounds %"struct.OpenMesh::FaceHandle", ptr %29, i32 0, i32 0
  %219 = getelementptr inbounds %"class.OpenMesh::BaseHandle", ptr %218, i32 0, i32 0
  %220 = load i32, ptr %219, align 4
  %221 = load ptr, ptr %217, align 8, !tbaa !15
  %222 = getelementptr inbounds ptr, ptr %221, i64 22
  %223 = load ptr, ptr %222, align 8
  invoke void %223(ptr noundef nonnull align 8 dereferenceable(8) %217, i32 %220, ptr noundef nonnull align 4 dereferenceable(12) %12)
          to label %224 unwind label %225

224:                                              ; preds = %216
  br label %229

225:                                              ; preds = %230, %216, %212, %209, %198
  %226 = landingpad { ptr, i32 }
          cleanup
  %227 = extractvalue { ptr, i32 } %226, 0
  store ptr %227, ptr %15, align 8
  %228 = extractvalue { ptr, i32 } %226, 1
  store i32 %228, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #6
  br label %240

229:                                              ; preds = %224, %215, %211
  br label %234

230:                                              ; preds = %204
  %231 = load ptr, ptr %9, align 8, !tbaa !5
  %232 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh2IO7OptionsmIEi(ptr noundef nonnull align 4 dereferenceable(4) %231, i32 noundef 256)
          to label %233 unwind label %225

233:                                              ; preds = %230
  br label %234

234:                                              ; preds = %233, %229
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #6
  br label %235

235:                                              ; preds = %234, %197, %192, %187
  store i8 0, ptr %23, align 1, !tbaa !13
  br label %236

236:                                              ; preds = %235, %117
  br label %36, !llvm.loop !24

237:                                              ; preds = %53
  store i1 true, ptr %5, align 1
  store i32 1, ptr %24, align 4
  br label %238

238:                                              ; preds = %237, %70
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #6
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %22) #6
  call void @llvm.lifetime.end.p0(i64 392, ptr %22) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %21) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %17) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  %239 = load i1, ptr %5, align 1
  ret i1 %239

240:                                              ; preds = %225, %171, %167, %83
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #6
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %22) #6
  br label %241

241:                                              ; preds = %240, %79
  call void @llvm.lifetime.end.p0(i64 392, ptr %22) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %21) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %17) #6
  br label %242

242:                                              ; preds = %241, %75
  call void @llvm.lifetime.end.p0(i64 48, ptr %17) #6
  br label %243

243:                                              ; preds = %242, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %244

244:                                              ; preds = %243
  %245 = load ptr, ptr %15, align 8
  %246 = load i32, ptr %16, align 4
  %247 = insertvalue { ptr, i32 } poison, ptr %245, 0
  %248 = insertvalue { ptr, i32 } %247, i32 %246, 1
  resume { ptr, i32 } %248
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) #2

; 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) #3

declare noundef nonnull align 8 dereferenceable(224) ptr @_Z5omerrv() #4

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh7VectorTIfLi3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh2IO6CmpVecC2Ef(ptr noundef nonnull align 4 dereferenceable(4), float noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIKN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEC2ERKS5_RKS9_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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 nounwind uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3badEv(ptr noundef nonnull align 8 dereferenceable(264)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

declare void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264), i32 noundef) #4

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)) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE4findERS7_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8OpenMesh10BaseHandle8is_validEv(ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK8OpenMesh2IO7Options15face_has_normalEv(ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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, !12, i64 8}
!10 = !{!"_ZTSN8OpenMesh2IO11_STLReader_E", !11, i64 0, !12, i64 8}
!11 = !{!"_ZTSN8OpenMesh2IO10BaseReaderE"}
!12 = !{!"float", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"vtable pointer", !8, i64 0}
!17 = !{!18, !18, i64 0}
!18 = !{!"int", !7, i64 0}
!19 = !{i64 0, i64 8, !5}
!20 = distinct !{!20, !21}
!21 = !{!"llvm.loop.mustprogress"}
!22 = !{i8 0, i8 2}
!23 = !{}
!24 = distinct !{!24, !21}


; 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.OpenMesh::VectorT" = type { %"struct.std::array" }
%"struct.std::array" = type { [3 x float] }
%"class.std::vector.18" = type { %"struct.std::_Vector_base.19" }
%"struct.std::_Vector_base.19" = type { %"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl" }
%"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl" = type { %"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl_data" }
%"struct.std::_Vector_base<OpenMesh::VertexHandle, std::allocator<OpenMesh::VertexHandle>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.OpenMesh::IO::CmpVec" = type { float }
%"class.std::map.23" = type { %"class.std::_Rb_tree.24" }
%"class.std::_Rb_tree.24" = type { %"struct.std::_Rb_tree<OpenMesh::VectorT<float, 3>, std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>, std::_Select1st<std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>>, OpenMesh::IO::CmpVec>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<OpenMesh::VectorT<float, 3>, std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>, std::_Select1st<std::pair<const OpenMesh::VectorT<float, 3>, OpenMesh::VertexHandle>>, OpenMesh::IO::CmpVec>::_Rb_tree_impl" = type { %"struct.std::_Rb_tree_key_compare.28", %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_key_compare.28" = type { %"class.OpenMesh::IO::CmpVec" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::allocator.29" = type { i8 }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"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::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"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 }
%"struct.OpenMesh::VertexHandle" = type { %"class.OpenMesh::BaseHandle" }
%"class.OpenMesh::BaseHandle" = type { i32 }
%"struct.OpenMesh::FaceHandle" = type { %"class.OpenMesh::BaseHandle" }

@.str.6 = external hidden unnamed_addr constant [44 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [6 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh2IO7OptionsmIEi(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK8OpenMesh2IO11_STLReader_9read_stlaERSiRNS0_12BaseImporterERNS0_7OptionsE(ptr nocapture noundef nonnull readonly align 8 dereferenceable(12) %0, ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(4) %3) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.OpenMesh::VectorT", align 4
  %6 = alloca %"class.OpenMesh::VectorT", align 4
  %7 = alloca %"class.std::vector.18", align 8
  %8 = alloca %"class.OpenMesh::IO::CmpVec", align 4
  %9 = alloca %"class.std::map.23", align 8
  %10 = alloca %"class.std::allocator.29", align 1
  %11 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %15 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %16 = alloca %"struct.OpenMesh::VertexHandle", align 4
  %17 = alloca %"struct.OpenMesh::FaceHandle", align 4
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %5) #5
  call void @_ZN8OpenMesh7VectorTIfLi3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %5)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #5
  call void @_ZN8OpenMesh7VectorTIfLi3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12) %6)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #5
  %18 = getelementptr inbounds i8, ptr %0, i64 8
  %19 = load float, ptr %18, align 8, !tbaa !5
  call void @_ZN8OpenMesh2IO6CmpVecC2Ef(ptr noundef nonnull align 4 dereferenceable(4) %8, float noundef %19)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %9) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #5
  call void @_ZNSaISt4pairIKN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  invoke void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEC2ERKS5_RKS9_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %20 unwind label %45

20:                                               ; preds = %4
  call void @_ZNSt15__new_allocatorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #5
  call void @_ZNSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %12) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #5
  call void @llvm.lifetime.start.p0(i64 392, ptr nonnull %14) #5
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %14)
          to label %.preheader unwind label %47

.preheader:                                       ; preds = %20, %.preheader.backedge
  %.018 = phi i1 [ %.018.be, %.preheader.backedge ], [ false, %20 ]
  %21 = load ptr, ptr %1, align 8, !tbaa !11
  %22 = getelementptr i8, ptr %21, i64 -24
  %23 = load i64, ptr %22, align 8
  %24 = getelementptr inbounds i8, ptr %1, i64 %23
  %25 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %24)
          to label %26 unwind label %.loopexit.split-lp.loopexit

26:                                               ; preds = %.preheader
  br i1 %25, label %27, label %.critedge

27:                                               ; preds = %26
  %28 = load ptr, ptr %1, align 8, !tbaa !11
  %29 = getelementptr i8, ptr %28, i64 -24
  %30 = load i64, ptr %29, align 8
  %31 = getelementptr inbounds i8, ptr %1, i64 %30
  %32 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264) %31)
  br i1 %32, label %.critedge, label %33

33:                                               ; preds = %27
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %12)
          to label %35 unwind label %.loopexit.split-lp.loopexit

35:                                               ; preds = %33
  %36 = load ptr, ptr %1, align 8, !tbaa !11
  %37 = getelementptr i8, ptr %36, i64 -24
  %38 = load i64, ptr %37, align 8
  %39 = getelementptr inbounds i8, ptr %1, i64 %38
  %40 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3badEv(ptr noundef nonnull align 8 dereferenceable(264) %39)
  br i1 %40, label %41, label %49

41:                                               ; preds = %35
  %42 = invoke noundef nonnull align 8 dereferenceable(224) ptr @_Z5omerrv()
          to label %43 unwind label %.loopexit.split-lp.loopexit.split-lp

43:                                               ; preds = %41
  %44 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @.str.6)
          to label %.critedge unwind label %.loopexit.split-lp.loopexit.split-lp

45:                                               ; preds = %4
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #5
  br label %226

47:                                               ; preds = %20
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %225

.loopexit:                                        ; preds = %180, %172, %169, %166, %164, %159, %158, %157, %155, %142, %134, %131, %128, %126, %121, %120, %119, %117, %75, %77, %78, %79, %84, %86, %89, %92, %114
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit:                      ; preds = %68, %65, %62, %60, %58, %53, %52, %49, %33, %.preheader
  %lpad.loopexit30 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp:             ; preds = %43, %41
  %lpad.loopexit.split-lp31 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

49:                                               ; preds = %35
  invoke void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %50 unwind label %.loopexit.split-lp.loopexit

50:                                               ; preds = %49
  %51 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull @.str.7, i64 noundef 0) #5
  %.not = icmp eq i64 %51, -1
  br i1 %.not, label %71, label %52

52:                                               ; preds = %50
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128) %14, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %53 unwind label %.loopexit.split-lp.loopexit

53:                                               ; preds = %52
  %54 = load ptr, ptr %14, align 8, !tbaa !11
  %55 = getelementptr i8, ptr %54, i64 -24
  %56 = load i64, ptr %55, align 8
  %57 = getelementptr inbounds i8, ptr %14, i64 %56
  invoke void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264) %57, i32 noundef 0)
          to label %58 unwind label %.loopexit.split-lp.loopexit

58:                                               ; preds = %53
  %59 = 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) %14, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %60 unwind label %.loopexit.split-lp.loopexit

60:                                               ; preds = %58
  %61 = 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) %14, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %62 unwind label %.loopexit.split-lp.loopexit

62:                                               ; preds = %60
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %6, i64 noundef 0)
  %64 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %63)
          to label %65 unwind label %.loopexit.split-lp.loopexit

65:                                               ; preds = %62
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %6, i64 noundef 1)
  %67 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %66)
          to label %68 unwind label %.loopexit.split-lp.loopexit

68:                                               ; preds = %65
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %6, i64 noundef 2)
  %70 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %69)
          to label %71 unwind label %.loopexit.split-lp.loopexit

71:                                               ; preds = %68, %50
  %.1 = phi i1 [ %.018, %50 ], [ true, %68 ]
  %72 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull @.str.8, i64 noundef 0) #5
  %.not25 = icmp eq i64 %72, -1
  br i1 %.not25, label %73, label %75

73:                                               ; preds = %71
  %74 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull @.str.9, i64 noundef 0) #5
  %.not26 = icmp eq i64 %74, -1
  br i1 %.not26, label %.preheader.backedge, label %75

75:                                               ; preds = %73, %71
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  %76 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %12)
          to label %77 unwind label %.loopexit

77:                                               ; preds = %75
  invoke void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %78 unwind label %.loopexit

78:                                               ; preds = %77
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128) %14, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %79 unwind label %.loopexit

79:                                               ; preds = %78
  %80 = load ptr, ptr %14, align 8, !tbaa !11
  %81 = getelementptr i8, ptr %80, i64 -24
  %82 = load i64, ptr %81, align 8
  %83 = getelementptr inbounds i8, ptr %14, i64 %82
  invoke void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264) %83, i32 noundef 0)
          to label %84 unwind label %.loopexit

84:                                               ; preds = %79
  %85 = 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) %14, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %86 unwind label %.loopexit

86:                                               ; preds = %84
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 0)
  %88 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %87)
          to label %89 unwind label %.loopexit

89:                                               ; preds = %86
  %90 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 1)
  %91 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %90)
          to label %92 unwind label %.loopexit

92:                                               ; preds = %89
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 2)
  %94 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %93)
          to label %95 unwind label %.loopexit

95:                                               ; preds = %92
  %96 = invoke ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE4findERS7_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %97 unwind label %110

97:                                               ; preds = %95
  store ptr %96, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #5
  %98 = call ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %9) #5
  store ptr %98, ptr %15, align 8
  %99 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #5
  br i1 %99, label %100, label %114

100:                                              ; preds = %97
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %16) #5
  %101 = load ptr, ptr %2, align 8, !tbaa !11
  %102 = getelementptr inbounds i8, ptr %101, i64 16
  %103 = load ptr, ptr %102, align 8
  %104 = invoke i32 %103(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %105 unwind label %112

105:                                              ; preds = %100
  store i32 %104, ptr %16, align 4
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %106 unwind label %112

106:                                              ; preds = %105
  %107 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %108 unwind label %112

108:                                              ; preds = %106
  %109 = load i32, ptr %16, align 4
  store i32 %109, ptr %107, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #5
  br label %117

110:                                              ; preds = %175, %137, %95
  %111 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

112:                                              ; preds = %189, %188, %183, %151, %150, %145, %106, %105, %100
  %113 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #5
  br label %.loopexit.split-lp

114:                                              ; preds = %97
  %115 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %116 = getelementptr inbounds i8, ptr %115, i64 12
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %116)
          to label %117 unwind label %.loopexit

117:                                              ; preds = %108, %114
  %118 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %12)
          to label %119 unwind label %.loopexit

119:                                              ; preds = %117
  invoke void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %120 unwind label %.loopexit

120:                                              ; preds = %119
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128) %14, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %121 unwind label %.loopexit

121:                                              ; preds = %120
  %122 = load ptr, ptr %14, align 8, !tbaa !11
  %123 = getelementptr i8, ptr %122, i64 -24
  %124 = load i64, ptr %123, align 8
  %125 = getelementptr inbounds i8, ptr %14, i64 %124
  invoke void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264) %125, i32 noundef 0)
          to label %126 unwind label %.loopexit

126:                                              ; preds = %121
  %127 = 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) %14, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %128 unwind label %.loopexit

128:                                              ; preds = %126
  %129 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 0)
  %130 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %129)
          to label %131 unwind label %.loopexit

131:                                              ; preds = %128
  %132 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 1)
  %133 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %132)
          to label %134 unwind label %.loopexit

134:                                              ; preds = %131
  %135 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 2)
  %136 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %135)
          to label %137 unwind label %.loopexit

137:                                              ; preds = %134
  %138 = invoke ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE4findERS7_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %139 unwind label %110

139:                                              ; preds = %137
  store ptr %138, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #5
  %140 = call ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %9) #5
  store ptr %140, ptr %15, align 8
  %141 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #5
  br i1 %141, label %145, label %142

142:                                              ; preds = %139
  %143 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %144 = getelementptr inbounds i8, ptr %143, i64 12
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %144)
          to label %155 unwind label %.loopexit

145:                                              ; preds = %139
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %16) #5
  %146 = load ptr, ptr %2, align 8, !tbaa !11
  %147 = getelementptr inbounds i8, ptr %146, i64 16
  %148 = load ptr, ptr %147, align 8
  %149 = invoke i32 %148(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %150 unwind label %112

150:                                              ; preds = %145
  store i32 %149, ptr %16, align 4
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %151 unwind label %112

151:                                              ; preds = %150
  %152 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %153 unwind label %112

153:                                              ; preds = %151
  %154 = load i32, ptr %16, align 4
  store i32 %154, ptr %152, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #5
  br label %155

155:                                              ; preds = %153, %142
  %156 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %12)
          to label %157 unwind label %.loopexit

157:                                              ; preds = %155
  invoke void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %158 unwind label %.loopexit

158:                                              ; preds = %157
  invoke void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128) %14, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %159 unwind label %.loopexit

159:                                              ; preds = %158
  %160 = load ptr, ptr %14, align 8, !tbaa !11
  %161 = getelementptr i8, ptr %160, i64 -24
  %162 = load i64, ptr %161, align 8
  %163 = getelementptr inbounds i8, ptr %14, i64 %162
  invoke void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264) %163, i32 noundef 0)
          to label %164 unwind label %.loopexit

164:                                              ; preds = %159
  %165 = 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) %14, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %166 unwind label %.loopexit

166:                                              ; preds = %164
  %167 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 0)
  %168 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %167)
          to label %169 unwind label %.loopexit

169:                                              ; preds = %166
  %170 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 1)
  %171 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %170)
          to label %172 unwind label %.loopexit

172:                                              ; preds = %169
  %173 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %5, i64 noundef 2)
  %174 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %173)
          to label %175 unwind label %.loopexit

175:                                              ; preds = %172
  %176 = invoke ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE4findERS7_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %177 unwind label %110

177:                                              ; preds = %175
  store ptr %176, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #5
  %178 = call ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %9) #5
  store ptr %178, ptr %15, align 8
  %179 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #5
  br i1 %179, label %183, label %180

180:                                              ; preds = %177
  %181 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %182 = getelementptr inbounds i8, ptr %181, i64 12
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %182)
          to label %193 unwind label %.loopexit

183:                                              ; preds = %177
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %16) #5
  %184 = load ptr, ptr %2, align 8, !tbaa !11
  %185 = getelementptr inbounds i8, ptr %184, i64 16
  %186 = load ptr, ptr %185, align 8
  %187 = invoke i32 %186(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %188 unwind label %112

188:                                              ; preds = %183
  store i32 %187, ptr %16, align 4
  invoke void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %189 unwind label %112

189:                                              ; preds = %188
  %190 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 4 dereferenceable(12) %5)
          to label %191 unwind label %112

191:                                              ; preds = %189
  %192 = load i32, ptr %16, align 4
  store i32 %192, ptr %190, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #5
  br label %193

193:                                              ; preds = %191, %180
  %194 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 0) #5
  %195 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 1) #5
  %196 = call noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4) %194, ptr noundef nonnull align 4 dereferenceable(4) %195)
  br i1 %196, label %197, label %.preheader.backedge

.preheader.backedge:                              ; preds = %193, %197, %201, %224, %73
  %.018.be = phi i1 [ %.1, %73 ], [ false, %224 ], [ false, %201 ], [ false, %197 ], [ false, %193 ]
  br label %.preheader, !llvm.loop !15

197:                                              ; preds = %193
  %198 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 0) #5
  %199 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 2) #5
  %200 = call noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4) %198, ptr noundef nonnull align 4 dereferenceable(4) %199)
  br i1 %200, label %201, label %.preheader.backedge

201:                                              ; preds = %197
  %202 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 1) #5
  %203 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 2) #5
  %204 = call noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4) %202, ptr noundef nonnull align 4 dereferenceable(4) %203)
  br i1 %204, label %205, label %.preheader.backedge

205:                                              ; preds = %201
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %17) #5
  %206 = load ptr, ptr %2, align 8, !tbaa !11
  %207 = getelementptr inbounds i8, ptr %206, i64 32
  %208 = load ptr, ptr %207, align 8
  %209 = invoke i32 %208(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %210 unwind label %220

210:                                              ; preds = %205
  store i32 %209, ptr %17, align 4
  br i1 %.1, label %211, label %222

211:                                              ; preds = %210
  %212 = call noundef zeroext i1 @_ZNK8OpenMesh10BaseHandle8is_validEv(ptr noundef nonnull align 4 dereferenceable(4) %17)
  br i1 %212, label %213, label %224

213:                                              ; preds = %211
  %214 = invoke noundef zeroext i1 @_ZNK8OpenMesh2IO7Options15face_has_normalEv(ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %215 unwind label %220

215:                                              ; preds = %213
  br i1 %214, label %216, label %224

216:                                              ; preds = %215
  %.sroa.0.0.copyload = load i32, ptr %17, align 4
  %217 = load ptr, ptr %2, align 8, !tbaa !11
  %218 = getelementptr inbounds i8, ptr %217, i64 176
  %219 = load ptr, ptr %218, align 8
  invoke void %219(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 %.sroa.0.0.copyload, ptr noundef nonnull align 4 dereferenceable(12) %6)
          to label %224 unwind label %220

220:                                              ; preds = %216, %213, %205
  %221 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %17) #5
  br label %.loopexit.split-lp

222:                                              ; preds = %210
  %223 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh2IO7OptionsmIEi(ptr noundef nonnull align 4 dereferenceable(4) %3, i32 noundef 256)
  br label %224

224:                                              ; preds = %211, %215, %216, %222
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %17) #5
  br label %.preheader.backedge

.critedge:                                        ; preds = %27, %26, %43
  %.0 = phi i1 [ false, %43 ], [ true, %26 ], [ true, %27 ]
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %14) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %14) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  call void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #5
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #5
  ret i1 %.0

.loopexit.split-lp:                               ; preds = %.loopexit, %.loopexit.split-lp.loopexit.split-lp, %.loopexit.split-lp.loopexit, %220, %112, %110
  %.pn = phi { ptr, i32 } [ %113, %112 ], [ %111, %110 ], [ %221, %220 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit30, %.loopexit.split-lp.loopexit ], [ %lpad.loopexit.split-lp31, %.loopexit.split-lp.loopexit.split-lp ]
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %14) #5
  br label %225

225:                                              ; preds = %.loopexit.split-lp, %47
  %.pn.pn = phi { ptr, i32 } [ %.pn, %.loopexit.split-lp ], [ %48, %47 ]
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %14) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  call void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9) #5
  br label %226

226:                                              ; preds = %225, %45
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %225 ], [ %46, %45 ]
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #5
  call void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #5
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8OpenMesh2IO13trimStdStringERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; 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 #3

declare noundef nonnull align 8 dereferenceable(224) ptr @_Z5omerrv() local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh7VectorTIfLi3EEC2Ev(ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh2IO6CmpVecC2Ef(ptr noundef nonnull align 4 dereferenceable(4), float noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIKN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEC2ERKS5_RKS9_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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 nounwind uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3badEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strERKNS_12basic_stringIcS2_S3_EE(ptr noundef nonnull align 8 dereferenceable(128), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

declare void @_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate(ptr noundef nonnull align 8 dereferenceable(264), i32 noundef) local_unnamed_addr #4

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 #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN8OpenMesh7VectorTIfLi3EEixEm(ptr noundef nonnull align 4 dereferenceable(12), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE4findERS7_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN8OpenMesh7VectorTIfLi3EEENS1_12VertexHandleEEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8OpenMesh10BaseHandleneERKS0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8OpenMesh10BaseHandle8is_validEv(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK8OpenMesh2IO7Options15face_has_normalEv(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIN8OpenMesh7VectorTIfLi3EEENS0_12VertexHandleENS0_2IO6CmpVecESaISt4pairIKS2_S3_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN8OpenMesh12VertexHandleESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !8, i64 8}
!6 = !{!"_ZTSN8OpenMesh2IO11_STLReader_E", !7, i64 0, !8, i64 8}
!7 = !{!"_ZTSN8OpenMesh2IO10BaseReaderE"}
!8 = !{!"float", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !10, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !9, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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