Subzero: Improve class definition hygiene.

src/IceTargetLoweringX8632.cpp

 //===- subzero/src/IceTargetLoweringX8632.cpp - x86-32 lowering -----------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the TargetLoweringX8632 class, which
@@ skipping 730 matching lines @@
     // An argument either does not need a stack slot (if passed in a
     // register) or already has one (if passed on the stack).
     if (Var->getIsArg())
       continue;
     // An unreferenced variable doesn't need a stack slot.
     if (!IsVarReferenced[Var->getIndex()])
       continue;
     // A spill slot linked to a variable with a stack slot should reuse
     // that stack slot.
     if (SpillVariable *SpillVar = llvm::dyn_cast<SpillVariable>(Var)) {
-      assert(Var->getWeight() == RegWeight::Zero);
+      assert(Var->getWeight().isZero());
       if (!SpillVar->getLinkedTo()->hasReg()) {
         VariablesLinkedToSpillSlots.push_back(Var);
         continue;
       }
     }
     SpilledVariables.push_back(Var);
   }
 
   SortedSpilledVariables.reserve(SpilledVariables.size());
   sortByAlignment(SortedSpilledVariables, SpilledVariables);
@@ skipping 3567 matching lines @@
     _movd(Reg, legalize(ConstantMask, Legal_Reg | Legal_Mem));
     _pshufd(Reg, Reg, Ctx->getConstantZero(IceType_i8));
     return Reg;
   }
 }
 
 OperandX8632Mem *TargetX8632::getMemoryOperandForStackSlot(Type Ty,
                                                            Variable *Slot,
                                                            uint32_t Offset) {
   // Ensure that Loc is a stack slot.
-  assert(Slot->getWeight() == RegWeight::Zero);
+  assert(Slot->getWeight().isZero());
   assert(Slot->getRegNum() == Variable::NoRegister);
   // Compute the location of Loc in memory.
   // TODO(wala,stichnot): lea should not be required.  The address of
   // the stack slot is known at compile time (although not until after
   // addProlog()).
   const Type PointerType = IceType_i32;
   Variable *Loc = makeReg(PointerType);
   _lea(Loc, Slot);
   Constant *ConstantOffset = Ctx->getConstantInt32(Offset);
   return OperandX8632Mem::create(Func, Ty, Loc, ConstantOffset);
@@ skipping 76 matching lines @@
       NeedsReg = true;
     if (NeedsReg) {
       From = copyToReg(From, RegNum);
     }
     return From;
   }
   if (Variable *Var = llvm::dyn_cast<Variable>(From)) {
     // Check if the variable is guaranteed a physical register.  This
     // can happen either when the variable is pre-colored or when it is
     // assigned infinite weight.
-    bool MustHaveRegister =
-        (Var->hasReg() || Var->getWeight() == RegWeight::Inf);
+    bool MustHaveRegister = (Var->hasReg() || Var->getWeight().isInf());
     // We need a new physical register for the operand if:
     //   Mem is not allowed and Var isn't guaranteed a physical
     //   register, or
     //   RegNum is required and Var->getRegNum() doesn't match.
     if ((!(Allowed & Legal_Mem) && !MustHaveRegister) ||
         (RegNum != Variable::NoRegister && RegNum != Var->getRegNum())) {
       From = copyToReg(From, RegNum);
     }
     return From;
   }
@@ skipping 318 matching lines @@
   case FT_Asm:
   case FT_Iasm: {
     OstreamLocker L(Ctx);
     emitConstantPool<PoolTypeConverter<float>>(Ctx);
     emitConstantPool<PoolTypeConverter<double>>(Ctx);
   } break;
   }
 }
 
 } // end of namespace Ice