Minor simplifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92390 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc/plugins/Base/Base.td.in b/tools/llvmc/plugins/Base/Base.td.in
index 1413593..7262372 100644
--- a/tools/llvmc/plugins/Base/Base.td.in
+++ b/tools/llvmc/plugins/Base/Base.td.in
@@ -97,11 +97,10 @@
            (unset_option ["O0", "O1", "O2"]),
       (and (switch_on "O2"), (any_switch_on ["O0", "O1"])),
            (unset_option ["O0", "O1"]),
-      (and (switch_on "O1"), (switch_on "O0")),
+      (switch_on ["O1", "O0"]),
            (unset_option "O0"))
 >;
 
-
 // Tools
 
 class llvm_gcc_based <string cmd_prefix, string in_lang, string E_ext> : Tool<