; LLVM IR from bldeng/AASolver :: AndersonOpt/external/OpenMesh/Core/IO/writer (OBJWriter)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_fstream" = type { %"class.std::basic_iostream.base", %"class.std::basic_filebuf", %"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::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.17 }
%union.anon.17 = type { i32 }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::__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.OpenMesh::IO::Options" = type { i32 }
%"class.OpenMesh::IO::_OBJWriter_" = type { %"class.OpenMesh::IO::BaseWriter", %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", %"class.std::vector", %"class.std::vector.3" }
%"class.OpenMesh::IO::BaseWriter" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<OpenMesh::VectorT<float, 3>, std::allocator<OpenMesh::VectorT<float, 3>>>::_Vector_impl" }
%"struct.std::_Vector_base<OpenMesh::VectorT<float, 3>, std::allocator<OpenMesh::VectorT<float, 3>>>::_Vector_impl" = type { %"struct.std::_Vector_base<OpenMesh::VectorT<float, 3>, std::allocator<OpenMesh::VectorT<float, 3>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<OpenMesh::VectorT<float, 3>, std::allocator<OpenMesh::VectorT<float, 3>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<OpenMesh::VectorT<float, 4>, std::allocator<OpenMesh::VectorT<float, 4>>>::_Vector_impl" }
%"struct.std::_Vector_base<OpenMesh::VectorT<float, 4>, std::allocator<OpenMesh::VectorT<float, 4>>>::_Vector_impl" = type { %"struct.std::_Vector_base<OpenMesh::VectorT<float, 4>, std::allocator<OpenMesh::VectorT<float, 4>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<OpenMesh::VectorT<float, 4>, std::allocator<OpenMesh::VectorT<float, 4>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [32 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK8OpenMesh2IO11_OBJWriter_5writeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERNS0_12BaseExporterENS0_7OptionsEl(ptr noundef nonnull align 8 dereferenceable(120) %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef %3, i64 noundef %4) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %6 = alloca i1, align 1
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"class.std::basic_fstream", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i64, align 8
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::__cxx11::basic_string", align 8
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca i8, align 1
  %21 = alloca %"class.OpenMesh::IO::Options", align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store ptr %3, ptr %10, align 8, !tbaa !5
  store i64 %4, ptr %11, align 8, !tbaa !9
  %22 = load ptr, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 528, ptr %12) #5
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %23) #5
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef %24, i32 noundef 16)
  %25 = load ptr, ptr %12, align 8, !tbaa !11
  %26 = getelementptr i8, ptr %25, i64 -24
  %27 = load i64, ptr %26, align 8
  %28 = getelementptr inbounds i8, ptr %12, i64 %27
  %29 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv(ptr noundef nonnull align 8 dereferenceable(264) %28)
          to label %30 unwind label %41

30:                                               ; preds = %5
  br i1 %29, label %31, label %45

31:                                               ; preds = %30
  %32 = invoke noundef nonnull align 8 dereferenceable(224) ptr @_Z5omerrv()
          to label %33 unwind label %41

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef @.str)
          to label %35 unwind label %41

35:                                               ; preds = %33
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef nonnull align 8 dereferenceable(32) %36)
          to label %38 unwind label %41

38:                                               ; preds = %35
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %40 unwind label %41

40:                                               ; preds = %38
  store i1 false, ptr %6, align 1
  store i32 1, ptr %15, align 4
  br label %130

41:                                               ; preds = %45, %38, %35, %33, %31, %5
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %13, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %14, align 4
  br label %132

45:                                               ; preds = %30
  %46 = load ptr, ptr %12, align 8, !tbaa !11
  %47 = getelementptr i8, ptr %46, i64 -24
  %48 = load i64, ptr %47, align 8
  %49 = getelementptr inbounds i8, ptr %12, i64 %48
  %50 = load i64, ptr %11, align 8, !tbaa !9
  %51 = invoke noundef i64 @_ZNSt8ios_base9precisionEl(ptr noundef nonnull align 8 dereferenceable(216) %49, i64 noundef %50)
          to label %52 unwind label %41

52:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %53 = load ptr, ptr %8, align 8, !tbaa !5
  %54 = invoke noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5rfindEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %53, ptr noundef @.str.1, i64 noundef -1)
          to label %55 unwind label %66

55:                                               ; preds = %52
  store i64 %54, ptr %16, align 8, !tbaa !9
  %56 = load i64, ptr %16, align 8, !tbaa !9
  %57 = icmp eq i64 %56, -1
  br i1 %57, label %58, label %70

58:                                               ; preds = %55
  %59 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 1
  %60 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %59, ptr noundef @.str.2)
          to label %61 unwind label %66

61:                                               ; preds = %58
  %62 = load ptr, ptr %8, align 8, !tbaa !5
  %63 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 2
  %64 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %63, ptr noundef nonnull align 8 dereferenceable(32) %62)
          to label %65 unwind label %66

65:                                               ; preds = %61
  br label %91

66:                                               ; preds = %61, %58, %52
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %13, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %14, align 4
  br label %120

70:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #5
  %71 = load ptr, ptr %8, align 8, !tbaa !5
  %72 = load i64, ptr %16, align 8, !tbaa !9
  %73 = add i64 %72, 1
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %17, ptr noundef nonnull align 8 dereferenceable(32) %71, i64 noundef 0, i64 noundef %73)
          to label %74 unwind label %83

74:                                               ; preds = %70
  %75 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 1
  %76 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %75, ptr noundef nonnull align 8 dereferenceable(32) %17) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %18) #5
  %77 = load ptr, ptr %8, align 8, !tbaa !5
  %78 = load i64, ptr %16, align 8, !tbaa !9
  %79 = add i64 %78, 1
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %18, ptr noundef nonnull align 8 dereferenceable(32) %77, i64 noundef %79, i64 noundef -1)
          to label %80 unwind label %87

80:                                               ; preds = %74
  %81 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 2
  %82 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %81, ptr noundef nonnull align 8 dereferenceable(32) %18) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #5
  br label %91

83:                                               ; preds = %70
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %13, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #5
  br label %120

87:                                               ; preds = %74
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %13, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #5
  br label %120

91:                                               ; preds = %80, %65
  %92 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 2
  %93 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12find_last_ofEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %92, ptr noundef @.str.3, i64 noundef -1) #5
  store i64 %93, ptr %16, align 8, !tbaa !9
  %94 = load i64, ptr %16, align 8, !tbaa !9
  %95 = icmp ne i64 %94, -1
  br i1 %95, label %96, label %106

96:                                               ; preds = %91
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #5
  %97 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 2
  %98 = load i64, ptr %16, align 8, !tbaa !9
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %19, ptr noundef nonnull align 8 dereferenceable(32) %97, i64 noundef 0, i64 noundef %98)
          to label %99 unwind label %102

99:                                               ; preds = %96
  %100 = getelementptr inbounds %"class.OpenMesh::IO::_OBJWriter_", ptr %22, i32 0, i32 2
  %101 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %100, ptr noundef nonnull align 8 dereferenceable(32) %19) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #5
  br label %106

102:                                              ; preds = %96
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %13, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #5
  br label %120

106:                                              ; preds = %99, %91
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #5
  %107 = getelementptr inbounds i8, ptr %12, i64 16
  %108 = load ptr, ptr %9, align 8, !tbaa !5
  invoke void @_ZN8OpenMesh2IO7OptionsC2ERKS1_(ptr noundef nonnull align 4 dereferenceable(4) %21, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %109 unwind label %121

109:                                              ; preds = %106
  %110 = load i64, ptr %11, align 8, !tbaa !9
  %111 = load ptr, ptr %22, align 8, !tbaa !11
  %112 = getelementptr inbounds ptr, ptr %111, i64 6
  %113 = load ptr, ptr %112, align 8
  %114 = invoke noundef zeroext i1 %113(ptr noundef nonnull align 8 dereferenceable(120) %22, ptr noundef nonnull align 8 dereferenceable(8) %107, ptr noundef nonnull align 8 dereferenceable(8) %108, ptr noundef %21, i64 noundef %110)
          to label %115 unwind label %125

115:                                              ; preds = %109
  call void @_ZN8OpenMesh2IO7OptionsD2Ev(ptr noundef nonnull align 4 dereferenceable(4) %21) #5
  %116 = zext i1 %114 to i8
  store i8 %116, ptr %20, align 1, !tbaa !13
  invoke void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(264) %12)
          to label %117 unwind label %121

117:                                              ; preds = %115
  %118 = load i8, ptr %20, align 1, !tbaa !13, !range !15, !noundef !16
  %119 = trunc i8 %118 to i1
  store i1 %119, ptr %6, align 1
  store i32 1, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #5
  br label %130

120:                                              ; preds = %102, %87, %83, %66
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %132

121:                                              ; preds = %115, %106
  %122 = landingpad { ptr, i32 }
          cleanup
  %123 = extractvalue { ptr, i32 } %122, 0
  store ptr %123, ptr %13, align 8
  %124 = extractvalue { ptr, i32 } %122, 1
  store i32 %124, ptr %14, align 4
  br label %129

125:                                              ; preds = %109
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %13, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %14, align 4
  call void @_ZN8OpenMesh2IO7OptionsD2Ev(ptr noundef nonnull align 4 dereferenceable(4) %21) #5
  br label %129

129:                                              ; preds = %125, %121
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #5
  br label %132

130:                                              ; preds = %117, %40
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %12) #5
  call void @llvm.lifetime.end.p0(i64 528, ptr %12) #5
  %131 = load i1, ptr %6, align 1
  ret i1 %131

132:                                              ; preds = %129, %120, %41
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %12) #5
  call void @llvm.lifetime.end.p0(i64 528, ptr %12) #5
  br label %133

133:                                              ; preds = %132
  %134 = load ptr, ptr %13, align 8
  %135 = load i32, ptr %14, align 4
  %136 = insertvalue { ptr, i32 } poison, ptr %134, 0
  %137 = insertvalue { ptr, i32 } %136, i32 %135, 1
  resume { ptr, i32 } %137
}

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef, i32 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv(ptr noundef nonnull align 8 dereferenceable(264)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #3

; 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 nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNSt8ios_base9precisionEl(ptr noundef nonnull align 8 dereferenceable(216), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5rfindEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12find_last_ofEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh2IO7OptionsC2ERKS1_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh2IO7OptionsD2Ev(ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(264)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_fstream" = type { %"class.std::basic_iostream.base", %"class.std::basic_filebuf", %"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::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.17 }
%union.anon.17 = type { i32 }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::__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.OpenMesh::IO::Options" = type { i32 }

@.str = external hidden unnamed_addr constant [32 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK8OpenMesh2IO11_OBJWriter_5writeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERNS0_12BaseExporterENS0_7OptionsEl(ptr noundef nonnull align 8 dereferenceable(120) %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef %3, i64 noundef %4) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %6 = alloca %"class.std::basic_fstream", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.OpenMesh::IO::Options", align 4
  call void @llvm.lifetime.start.p0(i64 528, ptr nonnull %6) #5
  %11 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264) %6, ptr noundef %11, i32 noundef 16)
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr %6, i64 %14
  %16 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv(ptr noundef nonnull align 8 dereferenceable(264) %15)
          to label %17 unwind label %26

17:                                               ; preds = %5
  br i1 %16, label %18, label %28

18:                                               ; preds = %17
  %19 = invoke noundef nonnull align 8 dereferenceable(224) ptr @_Z5omerrv()
          to label %20 unwind label %26

20:                                               ; preds = %18
  %21 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @.str)
          to label %22 unwind label %26

22:                                               ; preds = %20
  %23 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %24 unwind label %26

24:                                               ; preds = %22
  %25 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %75 unwind label %26

26:                                               ; preds = %24, %22, %20, %18, %5
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %76

28:                                               ; preds = %17
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = getelementptr i8, ptr %29, i64 -24
  %31 = load i64, ptr %30, align 8
  %32 = getelementptr inbounds i8, ptr %6, i64 %31
  %33 = call noundef i64 @_ZNSt8ios_base9precisionEl(ptr noundef nonnull align 8 dereferenceable(216) %32, i64 noundef %4)
  %34 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5rfindEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.1, i64 noundef -1)
  %35 = icmp eq i64 %34, -1
  br i1 %35, label %36, label %44

36:                                               ; preds = %28
  %37 = getelementptr inbounds i8, ptr %0, i64 8
  %38 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %37, ptr noundef nonnull @.str.2)
          to label %39 unwind label %42

39:                                               ; preds = %36
  %40 = getelementptr inbounds i8, ptr %0, i64 40
  %41 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %40, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %56 unwind label %42

42:                                               ; preds = %39, %36
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %76

44:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #5
  %45 = add nuw i64 %34, 1
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 0, i64 noundef %45)
          to label %46 unwind label %52

46:                                               ; preds = %44
  %47 = getelementptr inbounds i8, ptr %0, i64 8
  %48 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %47, ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #5
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %45, i64 noundef -1)
          to label %49 unwind label %54

49:                                               ; preds = %46
  %50 = getelementptr inbounds i8, ptr %0, i64 40
  %51 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %50, ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  br label %56

52:                                               ; preds = %44
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  br label %76

54:                                               ; preds = %46
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #5
  br label %76

56:                                               ; preds = %39, %49
  %57 = getelementptr inbounds i8, ptr %0, i64 40
  %58 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12find_last_ofEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %57, ptr noundef nonnull @.str.3, i64 noundef -1) #5
  %.not = icmp eq i64 %58, -1
  br i1 %.not, label %64, label %59

59:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #5
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull align 8 dereferenceable(32) %57, i64 noundef 0, i64 noundef %58)
          to label %60 unwind label %62

60:                                               ; preds = %59
  %61 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %57, ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #5
  br label %64

62:                                               ; preds = %59
  %63 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #5
  br label %76

64:                                               ; preds = %60, %56
  %65 = getelementptr inbounds i8, ptr %6, i64 16
  call void @_ZN8OpenMesh2IO7OptionsC2ERKS1_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %66 = load ptr, ptr %0, align 8, !tbaa !5
  %67 = getelementptr inbounds i8, ptr %66, i64 48
  %68 = load ptr, ptr %67, align 8
  %69 = invoke noundef zeroext i1 %68(ptr noundef nonnull align 8 dereferenceable(120) %0, ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull %10, i64 noundef %4)
          to label %70 unwind label %73

70:                                               ; preds = %64
  call void @_ZN8OpenMesh2IO7OptionsD2Ev(ptr noundef nonnull align 4 dereferenceable(4) %10) #5
  invoke void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(264) %6)
          to label %75 unwind label %71

71:                                               ; preds = %70
  %72 = landingpad { ptr, i32 }
          cleanup
  br label %76

73:                                               ; preds = %64
  %74 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN8OpenMesh2IO7OptionsD2Ev(ptr noundef nonnull align 4 dereferenceable(4) %10) #5
  br label %76

75:                                               ; preds = %70, %24
  %.0 = phi i1 [ false, %24 ], [ %69, %70 ]
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %6) #5
  call void @llvm.lifetime.end.p0(i64 528, ptr nonnull %6) #5
  ret i1 %.0

76:                                               ; preds = %71, %73, %42, %52, %54, %62, %26
  %.pn27 = phi { ptr, i32 } [ %27, %26 ], [ %63, %62 ], [ %43, %42 ], [ %55, %54 ], [ %53, %52 ], [ %72, %71 ], [ %74, %73 ]
  call void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264) %6) #5
  call void @llvm.lifetime.end.p0(i64 528, ptr nonnull %6) #5
  resume { ptr, i32 } %.pn27
}

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef, i32 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; 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 nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNSt8ios_base9precisionEl(ptr noundef nonnull align 8 dereferenceable(216), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5rfindEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12find_last_ofEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh2IO7OptionsC2ERKS1_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN8OpenMesh2IO7OptionsD2Ev(ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt13basic_fstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(264)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass