message: Added more details about _MklInputConversionOp to the comments in the tfconversion pass
diff: @@ -68,6 +68,11 @@ namespace tensorflow {
  // take place before we hit the op. For this, we add a new op before each
  // element-wise MKL op to deal with the inputs, called _MklInputConversion.
  // This pass has been enhanced to add this capability.
  +//
  +// The _MklInputConversion op will check the inputs to the elementwise op and
  +// make sure that either both are in MKL format or both are in TF format,
  +// depending on their initial state and whether broadcast is needed or not.
  +
  class MklToTfConversionPass : public GraphOptimizationPass {
  public:
  MklToTfConversionPass() {}
  