Subzero: Initial implementation of multithreaded translation.

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.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the Cfg class, which represents the control flow
 // graph and the overall per-function compilation context.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICECFG_H
 #define SUBZERO_SRC_ICECFG_H
 
-#include <memory>
-
 #include "assembler.h"
 #include "IceClFlags.h"
 #include "IceDefs.h"
 #include "IceGlobalContext.h"
 #include "IceTypes.h"
 
 namespace Ice {
 
 class Cfg {
   Cfg(const Cfg &) = delete;
   Cfg &operator=(const Cfg &) = delete;
 
 public:
   ~Cfg();
 
   // TODO(stichnot): Change this to return unique_ptr<Cfg>, and plumb
   // it through the callers, to make ownership and lifetime and
   // destruction requirements more explicit.
   static Cfg *create(GlobalContext *Ctx) {
     Cfg *Func = new Cfg(Ctx);
     ICE_TLS_SET_FIELD(CurrentCfg, Func);
     return Func;
   }
   // Gets a pointer to the current thread's Cfg.
   static const Cfg *getCurrentCfg() { return ICE_TLS_GET_FIELD(CurrentCfg); }
+  void updateTLS() const { ICE_TLS_SET_FIELD(CurrentCfg, this); }
   // Gets a pointer to the current thread's Cfg's allocator.
   static ArenaAllocator<> *getCurrentCfgAllocator() {
     assert(ICE_TLS_GET_FIELD(CurrentCfg));
     return ICE_TLS_GET_FIELD(CurrentCfg)->Allocator.get();
   }
 
   GlobalContext *getContext() const { return Ctx; }
 
+  // Returns true if any of the specified options in the verbose mask
+  // are set.  If the argument is omitted, it checks if any verbose
+  // options at all are set.
+  bool isVerbose(VerboseMask Mask = IceV_All) const { return VMask & Mask; }
+  void setVerbose(VerboseMask Mask) { VMask = Mask; }
+
   // Manage the name and return type of the function being translated.
   void setFunctionName(const IceString &Name) { FunctionName = Name; }
   IceString getFunctionName() const { return FunctionName; }
   void setReturnType(Type Ty) { ReturnType = Ty; }
 
   // Manage the "internal" attribute of the function.
   void setInternal(bool Internal) { IsInternalLinkage = Internal; }
   bool getInternal() const { return IsInternalLinkage; }
 
   // Translation error flagging.  If support for some construct is
@@ skipping 114 matching lines @@
 
   // Deallocate data that was allocated via allocateArrayOf<T>().
   template <typename T> void deallocateArrayOf(T *Array) {
     Allocator->Deallocate(Array);
   }
 
 private:
   Cfg(GlobalContext *Ctx);
 
   GlobalContext *Ctx;
+  VerboseMask VMask;
   IceString FunctionName;
   Type ReturnType;
   bool IsInternalLinkage;
   bool HasError;
   bool FocusedTiming;
   IceString ErrorMessage;
   CfgNode *Entry; // entry basic block
   NodeList Nodes; // linearized node list; Entry should be first
   std::vector<IceString> IdentifierNames;
   InstNumberT NextInstNumber;
@@ skipping 18 matching lines @@
   // other uses are possible.
   ICE_TLS_DECLARE_FIELD(const Cfg *, CurrentCfg);
 
 public:
   static void TlsInit() { ICE_TLS_INIT_FIELD(CurrentCfg); }
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECFG_H