message: [SwiftLanguageRuntime] Simplify a bit. NFCI.
diff: @@ -2578,24 +2578,21 @@ SwiftLanguageRuntime::GetTypeInfo(CompilerType type) {
  }
  bool SwiftLanguageRuntime::IsStoredInlineInBuffer(CompilerType type) {
  - auto *type_info = GetTypeInfo(type);
  - if (!type_info)
  - return true;
  + if (auto *type_info = GetTypeInfo(type))
  return type_info->isBitwiseTakable() && type_info->getSize() <= 24;
  + return true;
  }
  llvm::Optional<uint64_t> SwiftLanguageRuntime::GetBitSize(CompilerType type) {
  - auto *type_info = GetTypeInfo(type);
  - if (!type_info)
  - return {};
  + if (auto *type_info = GetTypeInfo(type))
  return type_info->getSize() * 8;
  + return {};
  }
  llvm::Optional<uint64_t> SwiftLanguageRuntime::GetByteStride(CompilerType type) {
  - auto *type_info = GetTypeInfo(type);
  - if (!type_info)
  - return {};
  + if (auto *type_info = GetTypeInfo(type))
  return type_info->getStride();
  + return {};
  }
  bool SwiftLanguageRuntime::IsWhitelistedRuntimeValue(ConstString name) {
  