remove the MAI argument to MCExpr::print and switch overthing to use << when printing them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93699 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp

@@ -62,7 +62,7 @@ void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
   } else {
     assert((Modifier == 0 || Modifier[0] == 0) && "No modifiers supported");
     assert(Op.isExpr() && "unknown operand kind in printOperand");
-    Op.getExpr()->print(O, &MAI);
+    O << *Op.getExpr();
   }
 }