[NFC][InstanceGraph] Add a method to drop the last element of an inst…

…ance path
llvm · Jan 29, 2024 · 86246fd · 86246fd
1 parent bab53e6
commit 86246fd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/include/circt/Support/InstanceGraph.h b/include/circt/Support/InstanceGraph.h
@@ -294,6 +294,8 @@ class InstancePath final {
 
   InstancePath dropFront() const { return InstancePath(path.drop_front()); }
 
+  InstancePath dropBack() const { return InstancePath(path.drop_back()); }
+
   InstanceOpInterface operator[](size_t idx) const { return path[idx]; }
   ArrayRef<InstanceOpInterface>::iterator begin() const { return path.begin(); }
   ArrayRef<InstanceOpInterface>::iterator end() const { return path.end(); }