1 files changed, 22 insertions, 0 deletions
diff --git a/test/TableGen/BitsInit.td b/test/TableGen/BitsInit.td
new file mode 100644
index 00000000000..28fd3196fd0
--- /dev/null
+++ b/test/TableGen/BitsInit.td
@@ -0,0 +1,22 @@
+
+// RUN: not llvm-tblgen %s 2>&1 > %t
+// RUN: FileCheck %s < %t
+
+def a {
+  bits<2> opc = { 0, 1 };
+  bits<2> opc2 = { 1, 0 };
+  bits<1> opc3 = { 1 };
+  bits<2> a = { opc, opc2 }; // error!
+  bits<2> b = { opc{0}, opc2{0} };
+  bits<2> c = { opc{1}, opc2{1} };
+  bits<2> c = { opc3{0}, opc3 };
+}
+
+// CHECK: def a {
+// CHECK:   bits<2> opc = { 0, 1 };
+// CHECK:   bits<2> opc2 = { 1, 0 };
+// CHECK:   bits<1> opc3 = { 1 };
+// CHECK:   bits<2> a = { ?, ? };
+// CHECK:   bits<2> b = { 1, 0 };
+// CHECK:   bits<2> c = { 1, 1 };
+// CHECK: }