message: Fold more constants
diff: @@ -747,10 +747,6 @@ bool ConstantFolding::IsFoldable(const NodeDef& node) const {
  if (op.find("Quantized") != string::npos || op.find("Sparse") == 0) {
  return false;
  }
  - if (node.attr().count("_XlaCompile") > 0 &&
  - node.attr().at("_XlaCompile").b()) {
  - return false;
  - }
  const OpDef* op_def = nullptr;
  Status status = OpRegistry::Global()->LookUpOpDef(node.op(), &op_def);
  