/// ISD::NodeType enum - This enum defines all of the operators valid in a
/// SelectionDAG.
///
+ /// These are sometimes called the target-independent operators; targets
+ /// may also define target-dependent operators. For example, on x86, these
+ /// are the enum values in the X86ISD namespace. Targets should aim to use
+ /// target-independent operators to model their instruction sets as much
+ /// as possible, and only use target-dependent operators when they have
+ /// special requirements.
+ ///
enum NodeType {
// DELETED_NODE - This is an illegal flag value that is used to catch
// errors. This opcode is not a legal opcode for any node.