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For consistency, prefix multiclass template arg names with the
multiclass name followed by "::" to avoid name clashes among
multiclass arguments and other entities in the multiclass.
llvm-svn: 141239
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Process each multidef declared in a multiclass. Iterate through the
list and instantiate a def in the multiclass for each item, resolving
the list item to the temporary iterator (possibly) used in the
multidef ObjectBody. We then process each generated def in the normal
way.
llvm-svn: 141233
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Add parser support to recognize multidefs. No processing on the
multidef is done at this point. The grammar is:
MultiDef = MULTIDEF ObjectName < Value, Declaration, Value > ObjectBody
The first Value must be resolveable to a list and the second Value
must be resolveable to an integer. The Declaration is a temporary
value used as an iterator to refer to list items during processing.
It may be passed into the ObjectBody where it will be substituted with
the list value used to instantiate each def.
llvm-svn: 141232
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Move the code to instantiate a multiclass def, bind its arguments and
resolve its members into three helper functions. These will be reused
to support a new kind of multiclass def: a multidef.
llvm-svn: 141229
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This is the first step towards splitting LLVM and Clang's tblgen executables.
llvm-svn: 140951
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