Rename the new unsigned and signed keywords to nuw and nsw,
which stand for no-unsigned-wrap and no-signed-wrap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76810 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLToken.h b/lib/AsmParser/LLToken.h
index b78a09d..c8cdff6 100644
--- a/lib/AsmParser/LLToken.h
+++ b/lib/AsmParser/LLToken.h
@@ -51,8 +51,8 @@
     kw_deplibs,
     kw_datalayout,
     kw_volatile,
-    kw_signed,
-    kw_unsigned,
+    kw_nuw,
+    kw_nsw,
     kw_exact,
     kw_align,
     kw_addrspace,