FileCheckize some tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189060 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/TableGen/LetInsideMultiClasses.td b/test/TableGen/LetInsideMultiClasses.td
index 72f48b6..cfa756d 100644
--- a/test/TableGen/LetInsideMultiClasses.td
+++ b/test/TableGen/LetInsideMultiClasses.td
@@ -1,4 +1,9 @@
-// RUN: llvm-tblgen %s | grep "bit IsDouble = 1;" | count 3
+// RUN: llvm-tblgen %s | FileCheck %s
+
+// CHECK: bit IsDouble = 1;
+// CHECK: bit IsDouble = 1;
+// CHECK: bit IsDouble = 1;
+// CHECK-NOT: bit IsDouble = 1;
 
 class Instruction<bits<4> opc, string Name> {
   bits<4> opcode = opc;