Subzero: Write float/double constant pools directly to the ELF file.

src/IceOperand.h

 //===- subzero/src/IceOperand.h - High-level operands -----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the Operand class and its target-independent
@@ skipping 121 matching lines @@
   const uint32_t PoolEntryID;
 };
 
 // ConstantPrimitive<> wraps a primitive type.
 template <typename T, Operand::OperandKind K>
 class ConstantPrimitive : public Constant {
   ConstantPrimitive(const ConstantPrimitive &) = delete;
   ConstantPrimitive &operator=(const ConstantPrimitive &) = delete;
 
 public:
-  static ConstantPrimitive *create(GlobalContext *Ctx, Type Ty, T Value,
+  typedef T PrimType;
+
+  static ConstantPrimitive *create(GlobalContext *Ctx, Type Ty, PrimType Value,
                                    uint32_t PoolEntryID) {
     assert(!Ctx->isIRGenerationDisabled() &&
            "Attempt to build primitive constant when IR generation disabled");
     return new (Ctx->allocate<ConstantPrimitive>())
         ConstantPrimitive(Ty, Value, PoolEntryID);
   }
-  T getValue() const { return Value; }
+  PrimType getValue() const { return Value; }
   using Constant::emit;
   // The target needs to implement this for each ConstantPrimitive
   // specialization.
   void emit(GlobalContext *Ctx) const override;
   using Constant::dump;
   void dump(const Cfg *, Ostream &Str) const override {
     if (ALLOW_DUMP)
       Str << getValue();
   }
 
   static bool classof(const Operand *Operand) {
     return Operand->getKind() == K;
   }
 
 private:
-  ConstantPrimitive(Type Ty, T Value, uint32_t PoolEntryID)
+  ConstantPrimitive(Type Ty, PrimType Value, uint32_t PoolEntryID)
       : Constant(K, Ty, PoolEntryID), Value(Value) {}
   ~ConstantPrimitive() override {}
-  const T Value;
+  const PrimType Value;
 };
 
 typedef ConstantPrimitive<int32_t, Operand::kConstInteger32> ConstantInteger32;
 typedef ConstantPrimitive<int64_t, Operand::kConstInteger64> ConstantInteger64;
 typedef ConstantPrimitive<float, Operand::kConstFloat> ConstantFloat;
 typedef ConstantPrimitive<double, Operand::kConstDouble> ConstantDouble;
 
 template <> inline void ConstantInteger32::dump(const Cfg *, Ostream &Str) const {
   if (!ALLOW_DUMP)
     return;
@@ skipping 449 matching lines @@
 private:
   const Cfg *Func;
   MetadataKind Kind;
   std::vector<VariableTracking> Metadata;
   const static InstDefList NoDefinitions;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEOPERAND_H