s.stmtList(n.Init())
	switch n.Op() {
	case ir.OBYTES2STRTMP:
		n := n.(*ir.ConvExpr)
		slice := s.expr(n.X)
		ptr := s.newValue1(ssa.OpSlicePtr, s.f.Config.Types.BytePtr, slice)
		len := s.newValue1(ssa.OpSliceLen, types.Types[types.TINT], slice)
		return s.newValue2(ssa.OpStringMake, n.Type(), ptr, len)
	case ir.OSTR2BYTESTMP:
		n := n.(*ir.ConvExpr)
		str := s.expr(n.X)

    // values, respectively.
    bool GetSlicedBoundRanges(
      ::llvm::SmallVectorImpl<int64_t> *slice_begin,
      ::llvm::SmallVectorImpl<int64_t> *slice_end,
      ::llvm::SmallVectorImpl<int64_t> *slice_stride);
  }];
}

def TF_StridedSliceGradOp : TF_Op<"StridedSliceGrad", [Pure]> {
  let summary = "Returns the gradient of `StridedSlice`.";