<_comment>DITA Conditional Processing Profile</_comment>
    <root-XML localName="val"/>
    <root-XML localName="val" namespaceURI="http://docs.oasis-open.org/namespace"/>
    <glob pattern="*.ditaval"/>
  </mime-type>

  <mime-type type="application/dns"/>
  <mime-type type="application/dvcs"/>

  <mime-type type="application/x-dvd-ifo">
    <acronym>IFO</acronym>

	for _, e := range envs {
		if !shouldExtract(e, prefix) {
			continue
		}
		v := e[metaPrefixLen:]
		if !isEnvVar(v) {
			continue
		}
		metaKey, metaVal := parseEnvVar(v)
		set(meta, metaKey, metaVal)
	}
}

func shouldExtract(envVar, prefix string) bool {
	return strings.HasPrefix(envVar, prefix)
}

func isEnvVar(str string) bool {
	return strings.Contains(str, "=")

    return unranked_ty;
  int64_t dim_val = (*dim_attr.begin()).getSExtValue();
  int64_t input_rank = input_ty.getRank();

  if (dim_val < -input_rank - 1 || dim_val > input_rank + 1) return unranked_ty;
  if (dim_val < 0) dim_val += input_rank + 1;

  SmallVector<int64_t, 4> shape = llvm::to_vector<4>(input_ty.getShape());
  shape.insert(shape.begin() + dim_val, 1);

  split_sizes.reserve(
      split_sizes_attr.getType().cast<ShapedType>().getNumElements());

  for (const auto &dim : llvm::enumerate(split_sizes_attr)) {
    int64_t dim_val = dim.value().getSExtValue();
    split_sizes.push_back(dim_val);
    if (dim_val == tensorflow::kTFDynamicSize) {
      // We cannot have more than one dynamic dimension.
      if (dynamic_dim_index)
        return op.emitOpError(

      int64_t dim_val = dim.value().getSExtValue();
      split_sizes.push_back(dim_val);
      if (dim_val == -1) {
        // We cannot have more than one dynamic dimension.
        assert(!dynamic_dim_index && "invalid split sizes");
        dynamic_dim_index = dim.index();
      } else {
        total_dim_size += dim_val;
      }
    }

		deferBits := s.variable(deferBitsVar, types.Types[types.TUINT8])
		// Generate code to check if the bit associated with the current
		// defer is set.
		bitval := s.constInt8(types.Types[types.TUINT8], 1<<uint(i))
		andval := s.newValue2(ssa.OpAnd8, types.Types[types.TUINT8], deferBits, bitval)
		eqVal := s.newValue2(ssa.OpEq8, types.Types[types.TBOOL], andval, zeroval)
		b := s.endBlock()
		b.Kind = ssa.BlockIf
		b.SetControl(eqVal)

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