[llvm-branch-commits] [mlir] [mlir] Add predicates to tablegen-defined properties (PR #120176)
Markus Böck via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Tue Dec 17 04:08:34 PST 2024
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@@ -63,6 +65,12 @@ class Property<string storageTypeParam = "", string desc = ""> {
return convertFromAttribute($_storage, $_attr, $_diag);
}];
+ // The verification predicate for this property. Defaults to And<[]>,
+ // which is trivially true, since properties are always their expected type.
+ // Within the predicate, `$_self` is an instance of the **interface**
+ // type of the property.
+ Pred predicate = ?;
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zero9178 wrote:
Since this semantically defaults to `And<[]>`, can we use this default value here?
`?` is difficult to deal with in my exeperience as it basically requires special casing everywhere.
https://github.com/llvm/llvm-project/pull/120176
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