Add predicates methods to TargetOperandInfo, and switch all clients 
over to using them, instead of diddling Flags directly.  Change the
various flags from const variables to enums.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45677 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 40ab4c2..49b7ef2 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -541,7 +541,7 @@
   const TargetInstrDescriptor *TID = getDesc();
   if (TID->isPredicable()) {
     for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
-      if ((TID->OpInfo[i].Flags & M_PREDICATE_OPERAND))
+      if (TID->OpInfo[i].isPredicate())
         return i;
   }
 
@@ -591,7 +591,7 @@
   const TargetInstrDescriptor *TID = MI->getDesc();
   if (TID->isPredicable()) {
     for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-      if ((TID->OpInfo[i].Flags & M_PREDICATE_OPERAND)) {
+      if (TID->OpInfo[i].isPredicate()) {
         // Predicated operands must be last operands.
         addOperand(MI->getOperand(i));
       }