[FIRRTL] Support probes in LowerLayers (#6554)

Updates to LowerLayers to support driving layer-associated probes. Signed-off-by: Schuyler Eldridge <[email protected]> Co-authored-by: Robert Young <[email protected]>
llvm · Feb 13, 2024 · 208058c · 208058c
1 parent 91cfdbe
commit 208058c
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diff --git a/include/circt/Dialect/FIRRTL/FIRRTLTypesImpl.td b/include/circt/Dialect/FIRRTL/FIRRTLTypesImpl.td
@@ -408,6 +408,12 @@ def RefImpl : FIRRTLImplType<"Ref",
   let extraClassDeclaration = [{
     /// Return the recursive properties of the type.
     RecursiveTypeProperties getRecursiveTypeProperties() const;
+
+    RefType removeLayer() const {
+      if (getLayer() == nullptr)
+        return *this;
+      return get(getType(), getForceable());
+    }
   }];
 }