Allow defm to inherit from multiple multiclasses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/TableGen/DefmInherit.td b/test/TableGen/DefmInherit.td
new file mode 100644
index 0000000..4f37edf
--- /dev/null
+++ b/test/TableGen/DefmInherit.td
@@ -0,0 +1,32 @@
+// RUN: tblgen %s | grep {zing = 4} | count 4
+
+class C1<int A, string B> { 
+  int bar = A;
+  string thestr = B;
+  int zing;
+}
+
+def T : C1<4, "blah">;
+
+multiclass t<int a> {
+  def S1 : C1<a, "foo"> {
+    int foo = 4;
+    let bar = 1;
+  }
+  def S2 : C1<a, "bar">;
+}
+
+multiclass s<int a> {
+  def S3 : C1<a, "moo"> {
+    int moo = 3;
+    let bar = 1;
+  }
+  def S4 : C1<a, "baz">;
+}
+
+defm FOO : t<42>, s<24>;
+
+def T4 : C1<6, "foo">;
+
+let zing = 4 in
+  defm BAZ : t<3>, s<4>;