Subzero: Partial implementation of global initializers.

src/IceTargetLowering.h

 //===- subzero/src/IceTargetLowering.h - Lowering interface -----*- 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 TargetLowering and LoweringContext
@@ skipping 181 matching lines @@
   // StackAdjustment keeps track of the current stack offset from its
   // natural location, as arguments are pushed for a function call.
   int32_t StackAdjustment;
   LoweringContext Context;
 
 private:
   TargetLowering(const TargetLowering &) LLVM_DELETED_FUNCTION;
   TargetLowering &operator=(const TargetLowering &) LLVM_DELETED_FUNCTION;
 };
 
+// TargetGlobalInitLowering is used for "lowering" global
+// initializers.  It is separated out from TargetLowering because it
+// does not require a Cfg.
+class TargetGlobalInitLowering {
+public:
+  static TargetGlobalInitLowering *createLowering(TargetArch Target,
+                                                  GlobalContext *Ctx);
+  // TODO: Allow relocations to be represented as part of the Data.
+  virtual void lower(const IceString &Name, SizeT Align, bool IsInternal,
+                     bool IsConst, bool IsZeroInitializer, SizeT Size,
+                     const char *Data, bool DisableTranslation) = 0;
+
+protected:
+  TargetGlobalInitLowering(GlobalContext *Ctx) : Ctx(Ctx) {}
+  GlobalContext *Ctx;
+
+private:
+  TargetGlobalInitLowering(const TargetGlobalInitLowering &)
+  LLVM_DELETED_FUNCTION;
+  TargetGlobalInitLowering &
+  operator=(const TargetGlobalInitLowering &) LLVM_DELETED_FUNCTION;
+};
+
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERING_H