Add a flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23092 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Target.td

@@ -143,6 +143,7 @@ class Instruction {
   bit isCommutable = 0;     // Is this 3 operand instruction commutable?
   bit isTerminator = 0;     // Is this part of the terminator for a basic block?
   bit hasDelaySlot = 0;     // Does this instruction have an delay slot?
+  bit usesCustomDAGSChedInserter = 0; // Pseudo instr needing special help.
 }