mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-05 10:27:02 +00:00
Add some comments on ISD::NodeType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63234 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
f923574856
commit
f70dab7049
@ -63,6 +63,13 @@ namespace ISD {
|
||||
/// 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.
|
||||
|
Loading…
Reference in New Issue
Block a user