Subzero. Allocate global initializers from a dedicated arena.

src/IceCfg.h

 //===- subzero/src/IceCfg.h - Control flow graph ----------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 140 matching lines @@
   /// @{
   std::unique_ptr<VariableDeclarationList> getGlobalInits() {
     return std::move(GlobalInits);
   }
   void addGlobal(VariableDeclaration *Global) {
     if (GlobalInits == nullptr) {
       GlobalInits.reset(new VariableDeclarationList);
     }
     GlobalInits->push_back(Global);
   }
+  VariableDeclarationList *getGlobalPool() {
+    if (GlobalInits == nullptr) {
+      GlobalInits.reset(new VariableDeclarationList);
+    }
+    return GlobalInits.get();
+  }
   /// @}
 
   /// \name Miscellaneous accessors.
   /// @{
   TargetLowering *getTarget() const { return Target.get(); }
   VariablesMetadata *getVMetadata() const { return VMetadata.get(); }
   Liveness *getLiveness() const { return Live.get(); }
   template <typename T = Assembler> T *getAssembler() const {
     return llvm::dyn_cast<T>(TargetAssembler.get());
   }
@@ skipping 83 matching lines @@
 
   /// Adds a call to the ProfileSummary runtime function as the first
   /// instruction in this CFG's entry block.
   void addCallToProfileSummary();
 
   /// Iterates over the basic blocks in this CFG, adding profiling code to each
   /// one of them. It returns a list with all the globals that the profiling
   /// code needs to be defined.
   void profileBlocks();
 
+  void createNodeNameDeclaration(const IceString &NodeAsmName);
+  void
+  createBlockProfilingInfoDeclaration(const IceString &NodeAsmName,
+                                      VariableDeclaration *NodeNameDeclaration);
+
   /// Delete registered jump table placeholder instructions. This should only be
   /// called once all repointing has taken place.
   void deleteJumpTableInsts();
   /// Iterate through the registered jump tables and emit them.
   void emitJumpTables();
 
   enum AllocaBaseVariableType {
     BVT_StackPointer,
     BVT_FramePointer,
     BVT_UserPointer
@@ skipping 37 matching lines @@
 
 public:
   static void TlsInit() { CfgAllocatorTraits::init(); }
 };
 
 template <> Variable *Cfg::makeVariable<Variable>(Type Ty);
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECFG_H