Rename all the M_* flags to be namespace qualified enums, and switch

all clients over to using predicates instead of these flags directly.
These are now private values which are only to be used to statically
initialize the tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45692 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/TwoAddressInstructionPass.cpp

@@ -144,7 +144,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
             // so, swap the B and C operands.  This makes the live ranges of A
             // and C joinable.
             // FIXME: This code also works for A := B op C instructions.
-            if ((TID->Flags & M_COMMUTABLE) && mi->getNumOperands() >= 3) {
+            if (TID->isCommutable() && mi->getNumOperands() >= 3) {
               assert(mi->getOperand(3-si).isRegister() &&
                      "Not a proper commutative instruction!");
               unsigned regC = mi->getOperand(3-si).getReg();