diff options
Diffstat (limited to 'llvm/docs/TableGen')
| -rw-r--r-- | llvm/docs/TableGen/LangRef.rst | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/llvm/docs/TableGen/LangRef.rst b/llvm/docs/TableGen/LangRef.rst index 702b40c9011..99bcad757fc 100644 --- a/llvm/docs/TableGen/LangRef.rst +++ b/llvm/docs/TableGen/LangRef.rst @@ -116,7 +116,8 @@ TableGen's top-level production consists of "objects". .. productionlist:: TableGenFile: `Object`* - Object: `Class` | `Def` | `Defm` | `Let` | `MultiClass` | `Foreach` + Object: `Class` | `Def` | `Defm` | `Defset` | `Let` | `MultiClass` | + `Foreach` ``class``\es ------------ @@ -356,6 +357,21 @@ a ``foreach``. Note that in the :token:`BaseClassList`, all of the ``multiclass``'s must precede any ``class``'s that appear. +``defset`` +---------- +.. productionlist:: + Defset: "defset" `Type` `TokIdentifier` "=" "{" `Object`* "}" + +All records defined inside the braces via ``def`` and ``defm`` are collected +in a globally accessible list of the given name (in addition to being added +to the global collection of records as usual). Anonymous records created inside +initializier expressions using the ``Class<args...>`` syntax are never collected +in a defset. + +The given type must be ``list<A>``, where ``A`` is some class. It is an error +to define a record (via ``def`` or ``defm``) inside the braces which doesn't +derive from ``A``. + ``foreach`` ----------- |
