1 files changed, 12 insertions, 0 deletions
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index cf33fe6..bc758b7 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -351,6 +351,18 @@ ComplexPattern::ComplexPattern(Record *R) {
            << "' on ComplexPattern '" << R->getName() << "'!\n";
       exit(1);
     }
+  
+  // Parse the attributes.  
+  Attributes = 0;
+  PropList = R->getValueAsListOfDefs("Attributes");
+  for (unsigned i = 0, e = PropList.size(); i != e; ++i)
+    if (PropList[i]->getName() == "CPAttrParentAsRoot") {
+      Attributes |= 1 << CPAttrParentAsRoot;
+    } else {
+      cerr << "Unsupported pattern attribute '" << PropList[i]->getName()
+           << "' on ComplexPattern '" << R->getName() << "'!\n";
+      exit(1);
+    }
 }
 
 //===----------------------------------------------------------------------===//