Support "Methods" in register classes in CodgeGenRegisterClass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15965 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index e0d585c..49fd772 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -135,6 +135,12 @@
   SpillSize = R->getValueAsInt("Size");
   SpillAlignment = R->getValueAsInt("Alignment");
 
+  if (CodeInit *CI = dynamic_cast<CodeInit*>(R->getValueInit("Methods")))
+    MethodDefinitions = CI->getValue();
+  else
+    throw "Expected 'code' fragment for 'Methods' value in register class '"+
+          getName() + "'!";
+
   ListInit *RegList = R->getValueAsListInit("MemberList");
   for (unsigned i = 0, e = RegList->getSize(); i != e; ++i) {
     DefInit *RegDef = dynamic_cast<DefInit*>(RegList->getElement(i));