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/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index ea49b42..d79c1ed 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1882,7 +1882,7 @@
 
   const TargetInstrDescriptor &TID = get(Opc);
   const TargetOperandInfo &TOI = TID.OpInfo[Index];
-  const TargetRegisterClass *RC = (TOI.Flags & M_LOOK_UP_PTR_REG_CLASS)
+  const TargetRegisterClass *RC = TOI.isLookupPtrRegClass()
     ? getPointerRegClass() : RI.getRegClass(TOI.RegClass);
   SmallVector<MachineOperand,4> AddrOps;
   SmallVector<MachineOperand,2> BeforeOps;
@@ -1957,7 +1957,7 @@
   // Emit the store instruction.
   if (UnfoldStore) {
     const TargetOperandInfo &DstTOI = TID.OpInfo[0];
-    const TargetRegisterClass *DstRC = (DstTOI.Flags & M_LOOK_UP_PTR_REG_CLASS)
+    const TargetRegisterClass *DstRC = DstTOI.isLookupPtrRegClass()
       ? getPointerRegClass() : RI.getRegClass(DstTOI.RegClass);
     storeRegToAddr(MF, Reg, true, AddrOps, DstRC, NewMIs);
   }
@@ -1981,7 +1981,7 @@
   bool FoldedStore = I->second.second & (1 << 5);
   const TargetInstrDescriptor &TID = get(Opc);
   const TargetOperandInfo &TOI = TID.OpInfo[Index];
-  const TargetRegisterClass *RC = (TOI.Flags & M_LOOK_UP_PTR_REG_CLASS)
+  const TargetRegisterClass *RC = TOI.isLookupPtrRegClass()
     ? getPointerRegClass() : RI.getRegClass(TOI.RegClass);
   std::vector<SDOperand> AddrOps;
   std::vector<SDOperand> BeforeOps;
@@ -2013,7 +2013,7 @@
   const TargetRegisterClass *DstRC = 0;
   if (TID.numDefs > 0) {
     const TargetOperandInfo &DstTOI = TID.OpInfo[0];
-    DstRC = (DstTOI.Flags & M_LOOK_UP_PTR_REG_CLASS)
+    DstRC = DstTOI.isLookupPtrRegClass()
       ? getPointerRegClass() : RI.getRegClass(DstTOI.RegClass);
     VTs.push_back(*DstRC->vt_begin());
   }