message: EDSC printing: handle integer attributes with bitwidth > 64
  This came up in post-submit review.  Use LLVM's support for outputting APInt
  values directly instead of obtaining a 64-bit integer value from APInt, which
  will not work for wider integers.
diff: @@ -767,8 +767,10 @@ void mlir::edsc::Expr::print(raw_ostream &os) const {
  // sign-extended result for everything but i1 (booleans).
  if (this->is_op<ConstantIndexOp>() || this->is_op<ConstantIntOp>()) {
  APInt value = getAttribute("value").cast<IntegerAttr>().getValue();
  - os << (value.getBitWidth() == 1 ? value.getZExtValue()
  - : value.getSExtValue());
  + if (value.getBitWidth() == 1)
  + os << value.getZExtValue();
  + else
  + os << value;
  return;
  }
  