Use getSize instead of data().size(). NFC.

Also assert isFinalized in getSize(). This just reduces the noise from
another patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283125 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/StringTableBuilder.h

@@ -61,7 +61,7 @@ public:
     return StringIndexMap;
   }
 
-  size_t getSize() const { return Size; }
+  size_t getSize() const;
   void clear();
 
 private:

lib/MC/MachObjectWriter.cpp

@@ -882,7 +882,7 @@ void MachObjectWriter::writeObject(MCAssembler &Asm,
                                               sizeof(MachO::nlist_64) :
                                               sizeof(MachO::nlist));
     writeSymtabLoadCommand(SymbolTableOffset, NumSymTabSymbols,
-                           StringTableOffset, StringTable.data().size());
+                           StringTableOffset, StringTable.getSize());
 
     writeDysymtabLoadCommand(FirstLocalSymbol, NumLocalSymbols,
                              FirstExternalSymbol, NumExternalSymbols,

lib/MC/StringTableBuilder.cpp

@@ -34,6 +34,11 @@ StringTableBuilder::StringTableBuilder(Kind K, unsigned Alignment)
   }
 }
 
+size_t StringTableBuilder::getSize() const {
+  assert(isFinalized());
+  return Size;
+}
+
 typedef std::pair<CachedHash<StringRef>, size_t> StringPair;
 
 // Returns the character at Pos from end of a string.

tools/yaml2obj/yaml2elf.cpp

@@ -307,7 +307,7 @@ void ELFState<ELFT>::initStrtabSectionHeader(Elf_Shdr &SHeader, StringRef Name,
   SHeader.sh_type = ELF::SHT_STRTAB;
   CBA.getOSAndAlignedOffset(SHeader.sh_offset, SHeader.sh_addralign)
       << STB.data();
-  SHeader.sh_size = STB.data().size();
+  SHeader.sh_size = STB.getSize();
   SHeader.sh_addralign = 1;
 }