realize that instructions who match intrinsics  that read memory read memory.
Also, instructions with any nodes that are SDNPMayLoad also read memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45817 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index 02afe95..0740733 100644
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -37,6 +37,7 @@
   SDNPOutFlag,
   SDNPInFlag,
   SDNPOptInFlag,
+  SDNPMayLoad,
   SDNPMayStore
 };