Add flags to indicate that there are "never" side effects or that there "may be"
side effects for machine instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenInstruction.h b/utils/TableGen/CodeGenInstruction.h
index c209b13..8f1bf54 100644
--- a/utils/TableGen/CodeGenInstruction.h
+++ b/utils/TableGen/CodeGenInstruction.h
@@ -104,6 +104,8 @@
     bool hasCtrlDep;
     bool isNotDuplicable;
     bool hasOptionalDef;
+    bool mayHaveSideEffects;
+    bool neverHasSideEffects;
     
     /// ParseOperandName - Parse an operand name like "$foo" or "$foo.bar",
     /// where $foo is a whole operand and $foo.bar refers to a suboperand.