llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
[oota-llvm.git] / lib / Support / Dwarf.cpp
index f3f183436ec9ff67a9441b8f1815a14d332c32ee..8b688cae2a6398c04dc5ab3bcaa345427ec6d685 100644 (file)
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/Dwarf.h"
+#include "llvm/Support/ErrorHandling.h"
 
 #include <cassert>
 
@@ -22,191 +23,197 @@ namespace dwarf {
 /// TagString - Return the string for the specified tag.
 ///
 const char *TagString(unsigned Tag) {
-  switch(Tag) {
-    case DW_TAG_array_type:                return "TAG_array_type";
-    case DW_TAG_class_type:                return "TAG_class_type";
-    case DW_TAG_entry_point:               return "TAG_entry_point";
-    case DW_TAG_enumeration_type:          return "TAG_enumeration_type";
-    case DW_TAG_formal_parameter:          return "TAG_formal_parameter";
-    case DW_TAG_imported_declaration:      return "TAG_imported_declaration";
-    case DW_TAG_label:                     return "TAG_label";
-    case DW_TAG_lexical_block:             return "TAG_lexical_block";
-    case DW_TAG_member:                    return "TAG_member";
-    case DW_TAG_pointer_type:              return "TAG_pointer_type";
-    case DW_TAG_reference_type:            return "TAG_reference_type";
-    case DW_TAG_compile_unit:              return "TAG_compile_unit";
-    case DW_TAG_string_type:               return "TAG_string_type";
-    case DW_TAG_structure_type:            return "TAG_structure_type";
-    case DW_TAG_subroutine_type:           return "TAG_subroutine_type";
-    case DW_TAG_typedef:                   return "TAG_typedef";
-    case DW_TAG_union_type:                return "TAG_union_type";
-    case DW_TAG_unspecified_parameters:    return "TAG_unspecified_parameters";
-    case DW_TAG_variant:                   return "TAG_variant";
-    case DW_TAG_common_block:              return "TAG_common_block";
-    case DW_TAG_common_inclusion:          return "TAG_common_inclusion";
-    case DW_TAG_inheritance:               return "TAG_inheritance";
-    case DW_TAG_inlined_subroutine:        return "TAG_inlined_subroutine";
-    case DW_TAG_module:                    return "TAG_module";
-    case DW_TAG_ptr_to_member_type:        return "TAG_ptr_to_member_type";
-    case DW_TAG_set_type:                  return "TAG_set_type";
-    case DW_TAG_subrange_type:             return "TAG_subrange_type";
-    case DW_TAG_with_stmt:                 return "TAG_with_stmt";
-    case DW_TAG_access_declaration:        return "TAG_access_declaration";
-    case DW_TAG_base_type:                 return "TAG_base_type";
-    case DW_TAG_catch_block:               return "TAG_catch_block";
-    case DW_TAG_const_type:                return "TAG_const_type";
-    case DW_TAG_constant:                  return "TAG_constant";
-    case DW_TAG_enumerator:                return "TAG_enumerator";
-    case DW_TAG_file_type:                 return "TAG_file_type";
-    case DW_TAG_friend:                    return "TAG_friend";
-    case DW_TAG_namelist:                  return "TAG_namelist";
-    case DW_TAG_namelist_item:             return "TAG_namelist_item";
-    case DW_TAG_packed_type:               return "TAG_packed_type";
-    case DW_TAG_subprogram:                return "TAG_subprogram";
-    case DW_TAG_template_type_parameter:   return "TAG_template_type_parameter";
-    case DW_TAG_template_value_parameter: return "TAG_template_value_parameter";
-    case DW_TAG_thrown_type:               return "TAG_thrown_type";
-    case DW_TAG_try_block:                 return "TAG_try_block";
-    case DW_TAG_variant_part:              return "TAG_variant_part";
-    case DW_TAG_variable:                  return "TAG_variable";
-    case DW_TAG_volatile_type:             return "TAG_volatile_type";
-    case DW_TAG_dwarf_procedure:           return "TAG_dwarf_procedure";
-    case DW_TAG_restrict_type:             return "TAG_restrict_type";
-    case DW_TAG_interface_type:            return "TAG_interface_type";
-    case DW_TAG_namespace:                 return "TAG_namespace";
-    case DW_TAG_imported_module:           return "TAG_imported_module";
-    case DW_TAG_unspecified_type:          return "TAG_unspecified_type";
-    case DW_TAG_partial_unit:              return "TAG_partial_unit";
-    case DW_TAG_imported_unit:             return "TAG_imported_unit";
-    case DW_TAG_condition:                 return "TAG_condition";
-    case DW_TAG_shared_type:               return "TAG_shared_type";
-    case DW_TAG_lo_user:                   return "TAG_lo_user";
-    case DW_TAG_hi_user:                   return "TAG_hi_user";
+  switch (Tag) {
+    case DW_TAG_array_type:                return "DW_TAG_array_type";
+    case DW_TAG_class_type:                return "DW_TAG_class_type";
+    case DW_TAG_entry_point:               return "DW_TAG_entry_point";
+    case DW_TAG_enumeration_type:          return "DW_TAG_enumeration_type";
+    case DW_TAG_formal_parameter:          return "DW_TAG_formal_parameter";
+    case DW_TAG_imported_declaration:      return "DW_TAG_imported_declaration";
+    case DW_TAG_label:                     return "DW_TAG_label";
+    case DW_TAG_lexical_block:             return "DW_TAG_lexical_block";
+    case DW_TAG_member:                    return "DW_TAG_member";
+    case DW_TAG_pointer_type:              return "DW_TAG_pointer_type";
+    case DW_TAG_reference_type:            return "DW_TAG_reference_type";
+    case DW_TAG_compile_unit:              return "DW_TAG_compile_unit";
+    case DW_TAG_string_type:               return "DW_TAG_string_type";
+    case DW_TAG_structure_type:            return "DW_TAG_structure_type";
+    case DW_TAG_subroutine_type:           return "DW_TAG_subroutine_type";
+    case DW_TAG_typedef:                   return "DW_TAG_typedef";
+    case DW_TAG_union_type:                return "DW_TAG_union_type";
+    case DW_TAG_unspecified_parameters:    return "DW_TAG_unspecified_parameters";
+    case DW_TAG_variant:                   return "DW_TAG_variant";
+    case DW_TAG_common_block:              return "DW_TAG_common_block";
+    case DW_TAG_common_inclusion:          return "DW_TAG_common_inclusion";
+    case DW_TAG_inheritance:               return "DW_TAG_inheritance";
+    case DW_TAG_inlined_subroutine:        return "DW_TAG_inlined_subroutine";
+    case DW_TAG_module:                    return "DW_TAG_module";
+    case DW_TAG_ptr_to_member_type:        return "DW_TAG_ptr_to_member_type";
+    case DW_TAG_set_type:                  return "DW_TAG_set_type";
+    case DW_TAG_subrange_type:             return "DW_TAG_subrange_type";
+    case DW_TAG_with_stmt:                 return "DW_TAG_with_stmt";
+    case DW_TAG_access_declaration:        return "DW_TAG_access_declaration";
+    case DW_TAG_base_type:                 return "DW_TAG_base_type";
+    case DW_TAG_catch_block:               return "DW_TAG_catch_block";
+    case DW_TAG_const_type:                return "DW_TAG_const_type";
+    case DW_TAG_constant:                  return "DW_TAG_constant";
+    case DW_TAG_enumerator:                return "DW_TAG_enumerator";
+    case DW_TAG_file_type:                 return "DW_TAG_file_type";
+    case DW_TAG_friend:                    return "DW_TAG_friend";
+    case DW_TAG_namelist:                  return "DW_TAG_namelist";
+    case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
+    case DW_TAG_packed_type:               return "DW_TAG_packed_type";
+    case DW_TAG_subprogram:                return "DW_TAG_subprogram";
+    case DW_TAG_template_type_parameter:   return "DW_TAG_template_type_parameter";
+    case DW_TAG_template_value_parameter: return "DW_TAG_template_value_parameter";
+    case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
+    case DW_TAG_try_block:                 return "DW_TAG_try_block";
+    case DW_TAG_variant_part:              return "DW_TAG_variant_part";
+    case DW_TAG_variable:                  return "DW_TAG_variable";
+    case DW_TAG_volatile_type:             return "DW_TAG_volatile_type";
+    case DW_TAG_dwarf_procedure:           return "DW_TAG_dwarf_procedure";
+    case DW_TAG_restrict_type:             return "DW_TAG_restrict_type";
+    case DW_TAG_interface_type:            return "DW_TAG_interface_type";
+    case DW_TAG_namespace:                 return "DW_TAG_namespace";
+    case DW_TAG_imported_module:           return "DW_TAG_imported_module";
+    case DW_TAG_unspecified_type:          return "DW_TAG_unspecified_type";
+    case DW_TAG_partial_unit:              return "DW_TAG_partial_unit";
+    case DW_TAG_imported_unit:             return "DW_TAG_imported_unit";
+    case DW_TAG_condition:                 return "DW_TAG_condition";
+    case DW_TAG_shared_type:               return "DW_TAG_shared_type";
+    case DW_TAG_lo_user:                   return "DW_TAG_lo_user";
+    case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
   }
-  assert(0 && "Unknown Dwarf Tag");
+  llvm_unreachable("Unknown Dwarf Tag");
   return "";
 }
 
 /// ChildrenString - Return the string for the specified children flag.
 ///
 const char *ChildrenString(unsigned Children) {
-  switch(Children) {
+  switch (Children) {
     case DW_CHILDREN_no:                   return "CHILDREN_no";
     case DW_CHILDREN_yes:                  return "CHILDREN_yes";
   }
-  assert(0 && "Unknown Dwarf ChildrenFlag");
+  llvm_unreachable("Unknown Dwarf ChildrenFlag");
   return "";
 }
 
 /// AttributeString - Return the string for the specified attribute.
 ///
 const char *AttributeString(unsigned Attribute) {
-  switch(Attribute) {
-    case DW_AT_sibling:                    return "AT_sibling";
-    case DW_AT_location:                   return "AT_location";
-    case DW_AT_name:                       return "AT_name";
-    case DW_AT_ordering:                   return "AT_ordering";
-    case DW_AT_byte_size:                  return "AT_byte_size";
-    case DW_AT_bit_offset:                 return "AT_bit_offset";
-    case DW_AT_bit_size:                   return "AT_bit_size";
-    case DW_AT_stmt_list:                  return "AT_stmt_list";
-    case DW_AT_low_pc:                     return "AT_low_pc";
-    case DW_AT_high_pc:                    return "AT_high_pc";
-    case DW_AT_language:                   return "AT_language";
-    case DW_AT_discr:                      return "AT_discr";
-    case DW_AT_discr_value:                return "AT_discr_value";
-    case DW_AT_visibility:                 return "AT_visibility";
-    case DW_AT_import:                     return "AT_import";
-    case DW_AT_string_length:              return "AT_string_length";
-    case DW_AT_common_reference:           return "AT_common_reference";
-    case DW_AT_comp_dir:                   return "AT_comp_dir";
-    case DW_AT_const_value:                return "AT_const_value";
-    case DW_AT_containing_type:            return "AT_containing_type";
-    case DW_AT_default_value:              return "AT_default_value";
-    case DW_AT_inline:                     return "AT_inline";
-    case DW_AT_is_optional:                return "AT_is_optional";
-    case DW_AT_lower_bound:                return "AT_lower_bound";
-    case DW_AT_producer:                   return "AT_producer";
-    case DW_AT_prototyped:                 return "AT_prototyped";
-    case DW_AT_return_addr:                return "AT_return_addr";
-    case DW_AT_start_scope:                return "AT_start_scope";
-    case DW_AT_bit_stride:                 return "AT_bit_stride";
-    case DW_AT_upper_bound:                return "AT_upper_bound";
-    case DW_AT_abstract_origin:            return "AT_abstract_origin";
-    case DW_AT_accessibility:              return "AT_accessibility";
-    case DW_AT_address_class:              return "AT_address_class";
-    case DW_AT_artificial:                 return "AT_artificial";
-    case DW_AT_base_types:                 return "AT_base_types";
-    case DW_AT_calling_convention:         return "AT_calling_convention";
-    case DW_AT_count:                      return "AT_count";
-    case DW_AT_data_member_location:       return "AT_data_member_location";
-    case DW_AT_decl_column:                return "AT_decl_column";
-    case DW_AT_decl_file:                  return "AT_decl_file";
-    case DW_AT_decl_line:                  return "AT_decl_line";
-    case DW_AT_declaration:                return "AT_declaration";
-    case DW_AT_discr_list:                 return "AT_discr_list";
-    case DW_AT_encoding:                   return "AT_encoding";
-    case DW_AT_external:                   return "AT_external";
-    case DW_AT_frame_base:                 return "AT_frame_base";
-    case DW_AT_friend:                     return "AT_friend";
-    case DW_AT_identifier_case:            return "AT_identifier_case";
-    case DW_AT_macro_info:                 return "AT_macro_info";
-    case DW_AT_namelist_item:              return "AT_namelist_item";
-    case DW_AT_priority:                   return "AT_priority";
-    case DW_AT_segment:                    return "AT_segment";
-    case DW_AT_specification:              return "AT_specification";
-    case DW_AT_static_link:                return "AT_static_link";
-    case DW_AT_type:                       return "AT_type";
-    case DW_AT_use_location:               return "AT_use_location";
-    case DW_AT_variable_parameter:         return "AT_variable_parameter";
-    case DW_AT_virtuality:                 return "AT_virtuality";
-    case DW_AT_vtable_elem_location:       return "AT_vtable_elem_location";
-    case DW_AT_allocated:                  return "AT_allocated";
-    case DW_AT_associated:                 return "AT_associated";
-    case DW_AT_data_location:              return "AT_data_location";
-    case DW_AT_byte_stride:                return "AT_byte_stride";
-    case DW_AT_entry_pc:                   return "AT_entry_pc";
-    case DW_AT_use_UTF8:                   return "AT_use_UTF8";
-    case DW_AT_extension:                  return "AT_extension";
-    case DW_AT_ranges:                     return "AT_ranges";
-    case DW_AT_trampoline:                 return "AT_trampoline";
-    case DW_AT_call_column:                return "AT_call_column";
-    case DW_AT_call_file:                  return "AT_call_file";
-    case DW_AT_call_line:                  return "AT_call_line";
-    case DW_AT_description:                return "AT_description";
-    case DW_AT_binary_scale:               return "AT_binary_scale";
-    case DW_AT_decimal_scale:              return "AT_decimal_scale";
-    case DW_AT_small:                      return "AT_small";
-    case DW_AT_decimal_sign:               return "AT_decimal_sign";
-    case DW_AT_digit_count:                return "AT_digit_count";
-    case DW_AT_picture_string:             return "AT_picture_string";
-    case DW_AT_mutable:                    return "AT_mutable";
-    case DW_AT_threads_scaled:             return "AT_threads_scaled";
-    case DW_AT_explicit:                   return "AT_explicit";
-    case DW_AT_object_pointer:             return "AT_object_pointer";
-    case DW_AT_endianity:                  return "AT_endianity";
-    case DW_AT_elemental:                  return "AT_elemental";
-    case DW_AT_pure:                       return "AT_pure";
-    case DW_AT_recursive:                  return "AT_recursive";
-    case DW_AT_MIPS_linkage_name:          return "AT_MIPS_linkage_name";
-    case DW_AT_sf_names:                   return "AT_sf_names";
-    case DW_AT_src_info:                   return "AT_src_info";
-    case DW_AT_mac_info:                   return "AT_mac_info";
-    case DW_AT_src_coords:                 return "AT_src_coords";
-    case DW_AT_body_begin:                 return "AT_body_begin";
-    case DW_AT_body_end:                   return "AT_body_end";
-    case DW_AT_GNU_vector:                 return "AT_GNU_vector";
-    case DW_AT_lo_user:                    return "AT_lo_user";
-    case DW_AT_hi_user:                    return "AT_hi_user";
+  switch (Attribute) {
+    case DW_AT_sibling:                    return "DW_AT_sibling";
+    case DW_AT_location:                   return "DW_AT_location";
+    case DW_AT_name:                       return "DW_AT_name";
+    case DW_AT_ordering:                   return "DW_AT_ordering";
+    case DW_AT_byte_size:                  return "DW_AT_byte_size";
+    case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
+    case DW_AT_bit_size:                   return "DW_AT_bit_size";
+    case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
+    case DW_AT_low_pc:                     return "DW_AT_low_pc";
+    case DW_AT_high_pc:                    return "DW_AT_high_pc";
+    case DW_AT_language:                   return "DW_AT_language";
+    case DW_AT_discr:                      return "DW_AT_discr";
+    case DW_AT_discr_value:                return "DW_AT_discr_value";
+    case DW_AT_visibility:                 return "DW_AT_visibility";
+    case DW_AT_import:                     return "DW_AT_import";
+    case DW_AT_string_length:              return "DW_AT_string_length";
+    case DW_AT_common_reference:           return "DW_AT_common_reference";
+    case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
+    case DW_AT_const_value:                return "DW_AT_const_value";
+    case DW_AT_containing_type:            return "DW_AT_containing_type";
+    case DW_AT_default_value:              return "DW_AT_default_value";
+    case DW_AT_inline:                     return "DW_AT_inline";
+    case DW_AT_is_optional:                return "DW_AT_is_optional";
+    case DW_AT_lower_bound:                return "DW_AT_lower_bound";
+    case DW_AT_producer:                   return "DW_AT_producer";
+    case DW_AT_prototyped:                 return "DW_AT_prototyped";
+    case DW_AT_return_addr:                return "DW_AT_return_addr";
+    case DW_AT_start_scope:                return "DW_AT_start_scope";
+    case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
+    case DW_AT_upper_bound:                return "DW_AT_upper_bound";
+    case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
+    case DW_AT_accessibility:              return "DW_AT_accessibility";
+    case DW_AT_address_class:              return "DW_AT_address_class";
+    case DW_AT_artificial:                 return "DW_AT_artificial";
+    case DW_AT_base_types:                 return "DW_AT_base_types";
+    case DW_AT_calling_convention:         return "DW_AT_calling_convention";
+    case DW_AT_count:                      return "DW_AT_count";
+    case DW_AT_data_member_location:       return "DW_AT_data_member_location";
+    case DW_AT_decl_column:                return "DW_AT_decl_column";
+    case DW_AT_decl_file:                  return "DW_AT_decl_file";
+    case DW_AT_decl_line:                  return "DW_AT_decl_line";
+    case DW_AT_declaration:                return "DW_AT_declaration";
+    case DW_AT_discr_list:                 return "DW_AT_discr_list";
+    case DW_AT_encoding:                   return "DW_AT_encoding";
+    case DW_AT_external:                   return "DW_AT_external";
+    case DW_AT_frame_base:                 return "DW_AT_frame_base";
+    case DW_AT_friend:                     return "DW_AT_friend";
+    case DW_AT_identifier_case:            return "DW_AT_identifier_case";
+    case DW_AT_macro_info:                 return "DW_AT_macro_info";
+    case DW_AT_namelist_item:              return "DW_AT_namelist_item";
+    case DW_AT_priority:                   return "DW_AT_priority";
+    case DW_AT_segment:                    return "DW_AT_segment";
+    case DW_AT_specification:              return "DW_AT_specification";
+    case DW_AT_static_link:                return "DW_AT_static_link";
+    case DW_AT_type:                       return "DW_AT_type";
+    case DW_AT_use_location:               return "DW_AT_use_location";
+    case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
+    case DW_AT_virtuality:                 return "DW_AT_virtuality";
+    case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
+    case DW_AT_allocated:                  return "DW_AT_allocated";
+    case DW_AT_associated:                 return "DW_AT_associated";
+    case DW_AT_data_location:              return "DW_AT_data_location";
+    case DW_AT_byte_stride:                return "DW_AT_byte_stride";
+    case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
+    case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
+    case DW_AT_extension:                  return "DW_AT_extension";
+    case DW_AT_ranges:                     return "DW_AT_ranges";
+    case DW_AT_trampoline:                 return "DW_AT_trampoline";
+    case DW_AT_call_column:                return "DW_AT_call_column";
+    case DW_AT_call_file:                  return "DW_AT_call_file";
+    case DW_AT_call_line:                  return "DW_AT_call_line";
+    case DW_AT_description:                return "DW_AT_description";
+    case DW_AT_binary_scale:               return "DW_AT_binary_scale";
+    case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
+    case DW_AT_small:                      return "DW_AT_small";
+    case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
+    case DW_AT_digit_count:                return "DW_AT_digit_count";
+    case DW_AT_picture_string:             return "DW_AT_picture_string";
+    case DW_AT_mutable:                    return "DW_AT_mutable";
+    case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
+    case DW_AT_explicit:                   return "DW_AT_explicit";
+    case DW_AT_object_pointer:             return "DW_AT_object_pointer";
+    case DW_AT_endianity:                  return "DW_AT_endianity";
+    case DW_AT_elemental:                  return "DW_AT_elemental";
+    case DW_AT_pure:                       return "DW_AT_pure";
+    case DW_AT_recursive:                  return "DW_AT_recursive";
+    case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
+    case DW_AT_sf_names:                   return "DW_AT_sf_names";
+    case DW_AT_src_info:                   return "DW_AT_src_info";
+    case DW_AT_mac_info:                   return "DW_AT_mac_info";
+    case DW_AT_src_coords:                 return "DW_AT_src_coords";
+    case DW_AT_body_begin:                 return "DW_AT_body_begin";
+    case DW_AT_body_end:                   return "DW_AT_body_end";
+    case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
+    case DW_AT_lo_user:                    return "DW_AT_lo_user";
+    case DW_AT_hi_user:                    return "DW_AT_hi_user";
+    case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
+    case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
+    case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
+    case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
+    case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
+    case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
   }
-  assert(0 && "Unknown Dwarf Attribute");
+  llvm_unreachable("Unknown Dwarf Attribute");
   return "";
 }
 
 /// FormEncodingString - Return the string for the specified form encoding.
 ///
 const char *FormEncodingString(unsigned Encoding) {
-  switch(Encoding) {
+  switch (Encoding) {
     case DW_FORM_addr:                     return "FORM_addr";
     case DW_FORM_block2:                   return "FORM_block2";
     case DW_FORM_block4:                   return "FORM_block4";
@@ -229,14 +236,14 @@ const char *FormEncodingString(unsigned Encoding) {
     case DW_FORM_ref_udata:                return "FORM_ref_udata";
     case DW_FORM_indirect:                 return "FORM_indirect";
   }
-  assert(0 && "Unknown Dwarf Form Encoding");
+  llvm_unreachable("Unknown Dwarf Form Encoding");
   return "";
 }
 
 /// OperationEncodingString - Return the string for the specified operation
 /// encoding.
 const char *OperationEncodingString(unsigned Encoding) {
-  switch(Encoding) {
+  switch (Encoding) {
     case DW_OP_addr:                       return "OP_addr";
     case DW_OP_deref:                      return "OP_deref";
     case DW_OP_const1u:                    return "OP_const1u";
@@ -304,14 +311,14 @@ const char *OperationEncodingString(unsigned Encoding) {
     case DW_OP_lo_user:                    return "OP_lo_user";
     case DW_OP_hi_user:                    return "OP_hi_user";
   }
-  assert(0 && "Unknown Dwarf Operation Encoding");
+  llvm_unreachable("Unknown Dwarf Operation Encoding");
   return "";
 }
 
 /// AttributeEncodingString - Return the string for the specified attribute
 /// encoding.
 const char *AttributeEncodingString(unsigned Encoding) {
-  switch(Encoding) {
+  switch (Encoding) {
     case DW_ATE_address:                   return "ATE_address";
     case DW_ATE_boolean:                   return "ATE_boolean";
     case DW_ATE_complex_float:             return "ATE_complex_float";
@@ -330,79 +337,79 @@ const char *AttributeEncodingString(unsigned Encoding) {
     case DW_ATE_lo_user:                   return "ATE_lo_user";
     case DW_ATE_hi_user:                   return "ATE_hi_user";
   }
-  assert(0 && "Unknown Dwarf Attribute Encoding");
+  llvm_unreachable("Unknown Dwarf Attribute Encoding");
   return "";
 }
 
 /// DecimalSignString - Return the string for the specified decimal sign
 /// attribute.
 const char *DecimalSignString(unsigned Sign) {
-  switch(Sign) {
+  switch (Sign) {
     case DW_DS_unsigned:                   return "DS_unsigned";
     case DW_DS_leading_overpunch:          return "DS_leading_overpunch";
     case DW_DS_trailing_overpunch:         return "DS_trailing_overpunch";
     case DW_DS_leading_separate:           return "DS_leading_separate";
     case DW_DS_trailing_separate:          return "DS_trailing_separate";
   }
-  assert(0 && "Unknown Dwarf Decimal Sign Attribute");
+  llvm_unreachable("Unknown Dwarf Decimal Sign Attribute");
   return "";
 }
 
 /// EndianityString - Return the string for the specified endianity.
 ///
 const char *EndianityString(unsigned Endian) {
-  switch(Endian) {
+  switch (Endian) {
     case DW_END_default:                   return "END_default";
     case DW_END_big:                       return "END_big";
     case DW_END_little:                    return "END_little";
     case DW_END_lo_user:                   return "END_lo_user";
     case DW_END_hi_user:                   return "END_hi_user";
   }
-  assert(0 && "Unknown Dwarf Endianity");
+  llvm_unreachable("Unknown Dwarf Endianity");
   return "";
 }
 
 /// AccessibilityString - Return the string for the specified accessibility.
 ///
 const char *AccessibilityString(unsigned Access) {
-  switch(Access) {
+  switch (Access) {
     // Accessibility codes
     case DW_ACCESS_public:                 return "ACCESS_public";
     case DW_ACCESS_protected:              return "ACCESS_protected";
     case DW_ACCESS_private:                return "ACCESS_private";
   }
-  assert(0 && "Unknown Dwarf Accessibility");
+  llvm_unreachable("Unknown Dwarf Accessibility");
   return "";
 }
 
 /// VisibilityString - Return the string for the specified visibility.
 ///
 const char *VisibilityString(unsigned Visibility) {
-  switch(Visibility) {
+  switch (Visibility) {
     case DW_VIS_local:                     return "VIS_local";
     case DW_VIS_exported:                  return "VIS_exported";
     case DW_VIS_qualified:                 return "VIS_qualified";
   }
-  assert(0 && "Unknown Dwarf Visibility");
+  llvm_unreachable("Unknown Dwarf Visibility");
   return "";
 }
 
 /// VirtualityString - Return the string for the specified virtuality.
 ///
 const char *VirtualityString(unsigned Virtuality) {
-  switch(Virtuality) {
+  switch (Virtuality) {
     case DW_VIRTUALITY_none:               return "VIRTUALITY_none";
     case DW_VIRTUALITY_virtual:            return "VIRTUALITY_virtual";
     case DW_VIRTUALITY_pure_virtual:       return "VIRTUALITY_pure_virtual";
   }
-  assert(0 && "Unknown Dwarf Virtuality");
+  llvm_unreachable("Unknown Dwarf Virtuality");
   return "";
 }
 
 /// LanguageString - Return the string for the specified language.
 ///
 const char *LanguageString(unsigned Language) {
-  switch(Language) {
+  switch (Language) {
     case DW_LANG_C89:                      return "LANG_C89";
     case DW_LANG_C:                        return "LANG_C";
     case DW_LANG_Ada83:                    return "LANG_Ada83";
@@ -425,76 +432,76 @@ const char *LanguageString(unsigned Language) {
     case DW_LANG_lo_user:                  return "LANG_lo_user";
     case DW_LANG_hi_user:                  return "LANG_hi_user";
   }
-  assert(0 && "Unknown Dwarf Language");
+  llvm_unreachable("Unknown Dwarf Language");
   return "";
 }
 
 /// CaseString - Return the string for the specified identifier case.
 ///
 const char *CaseString(unsigned Case) {
-   switch(Case) {
+   switch (Case) {
     case DW_ID_case_sensitive:             return "ID_case_sensitive";
     case DW_ID_up_case:                    return "ID_up_case";
     case DW_ID_down_case:                  return "ID_down_case";
     case DW_ID_case_insensitive:           return "ID_case_insensitive";
   }
-  assert(0 && "Unknown Dwarf Identifier Case");
+  llvm_unreachable("Unknown Dwarf Identifier Case");
   return "";
 }
 
 /// ConventionString - Return the string for the specified calling convention.
 ///
 const char *ConventionString(unsigned Convention) {
-   switch(Convention) {
+   switch (Convention) {
     case DW_CC_normal:                     return "CC_normal";
     case DW_CC_program:                    return "CC_program";
     case DW_CC_nocall:                     return "CC_nocall";
     case DW_CC_lo_user:                    return "CC_lo_user";
     case DW_CC_hi_user:                    return "CC_hi_user";
   }
-  assert(0 && "Unknown Dwarf Calling Convention");
+  llvm_unreachable("Unknown Dwarf Calling Convention");
   return "";
 }
 
 /// InlineCodeString - Return the string for the specified inline code.
 ///
 const char *InlineCodeString(unsigned Code) {
-   switch(Code) {
+   switch (Code) {
     case DW_INL_not_inlined:               return "INL_not_inlined";
     case DW_INL_inlined:                   return "INL_inlined";
     case DW_INL_declared_not_inlined:      return "INL_declared_not_inlined";
     case DW_INL_declared_inlined:          return "INL_declared_inlined";
   }
-  assert(0 && "Unknown Dwarf Inline Code");
+  llvm_unreachable("Unknown Dwarf Inline Code");
   return "";
 }
 
 /// ArrayOrderString - Return the string for the specified array order.
 ///
 const char *ArrayOrderString(unsigned Order) {
-   switch(Order) {
+   switch (Order) {
     case DW_ORD_row_major:                 return "ORD_row_major";
     case DW_ORD_col_major:                 return "ORD_col_major";
   }
-  assert(0 && "Unknown Dwarf Array Order");
+  llvm_unreachable("Unknown Dwarf Array Order");
   return "";
 }
 
 /// DiscriminantString - Return the string for the specified discriminant
 /// descriptor.
 const char *DiscriminantString(unsigned Discriminant) {
-   switch(Discriminant) {
+   switch (Discriminant) {
     case DW_DSC_label:                     return "DSC_label";
     case DW_DSC_range:                     return "DSC_range";
   }
-  assert(0 && "Unknown Dwarf Discriminant Descriptor");
+  llvm_unreachable("Unknown Dwarf Discriminant Descriptor");
   return "";
 }
 
 /// LNStandardString - Return the string for the specified line number standard.
 ///
 const char *LNStandardString(unsigned Standard) {
-   switch(Standard) {
+   switch (Standard) {
     case DW_LNS_copy:                      return "LNS_copy";
     case DW_LNS_advance_pc:                return "LNS_advance_pc";
     case DW_LNS_advance_line:              return "LNS_advance_line";
@@ -508,14 +515,14 @@ const char *LNStandardString(unsigned Standard) {
     case DW_LNS_set_epilogue_begin:        return "LNS_set_epilogue_begin";
     case DW_LNS_set_isa:                   return "LNS_set_isa";
   }
-  assert(0 && "Unknown Dwarf Line Number Standard");
+  llvm_unreachable("Unknown Dwarf Line Number Standard");
   return "";
 }
 
 /// LNExtendedString - Return the string for the specified line number extended
 /// opcode encodings.
 const char *LNExtendedString(unsigned Encoding) {
-   switch(Encoding) {
+   switch (Encoding) {
     // Line Number Extended Opcode Encodings
     case DW_LNE_end_sequence:              return "LNE_end_sequence";
     case DW_LNE_set_address:               return "LNE_set_address";
@@ -523,14 +530,14 @@ const char *LNExtendedString(unsigned Encoding) {
     case DW_LNE_lo_user:                   return "LNE_lo_user";
     case DW_LNE_hi_user:                   return "LNE_hi_user";
   }
-  assert(0 && "Unknown Dwarf Line Number Extended Opcode Encoding");
+  llvm_unreachable("Unknown Dwarf Line Number Extended Opcode Encoding");
   return "";
 }
 
 /// MacinfoString - Return the string for the specified macinfo type encodings.
 ///
 const char *MacinfoString(unsigned Encoding) {
-   switch(Encoding) {
+   switch (Encoding) {
     // Macinfo Type Encodings
     case DW_MACINFO_define:                return "MACINFO_define";
     case DW_MACINFO_undef:                 return "MACINFO_undef";
@@ -538,14 +545,14 @@ const char *MacinfoString(unsigned Encoding) {
     case DW_MACINFO_end_file:              return "MACINFO_end_file";
     case DW_MACINFO_vendor_ext:            return "MACINFO_vendor_ext";
   }
-  assert(0 && "Unknown Dwarf Macinfo Type Encodings");
+  llvm_unreachable("Unknown Dwarf Macinfo Type Encodings");
   return "";
 }
 
 /// CallFrameString - Return the string for the specified call frame instruction
 /// encodings.
 const char *CallFrameString(unsigned Encoding) {
-   switch(Encoding) {
+   switch (Encoding) {
     case DW_CFA_advance_loc:               return "CFA_advance_loc";
     case DW_CFA_offset:                    return "CFA_offset";
     case DW_CFA_restore:                   return "CFA_restore";
@@ -574,7 +581,7 @@ const char *CallFrameString(unsigned Encoding) {
     case DW_CFA_lo_user:                   return "CFA_lo_user";
     case DW_CFA_hi_user:                   return "CFA_hi_user";
   }
-  assert(0 && "Unknown Dwarf Call Frame Instruction Encodings");
+  llvm_unreachable("Unknown Dwarf Call Frame Instruction Encodings");
   return "";
 }