Subzero: Initial implementation of multithreaded translation.

src/IceCfg.h

Index: src/IceCfg.h
diff --git a/src/IceCfg.h b/src/IceCfg.h
index 15f353cb56226d331eee5fd198d1fef1d601d399..3ef8776c2569d17c2e78e9c6495c430e448feb62 100644
--- a/src/IceCfg.h
+++ b/src/IceCfg.h
@@ -15,8 +15,6 @@
 #ifndef SUBZERO_SRC_ICECFG_H
 #define SUBZERO_SRC_ICECFG_H
 
-#include <memory>
-
 #include "assembler.h"
 #include "IceClFlags.h"
 #include "IceDefs.h"
@@ -37,11 +35,12 @@ public:
   // destruction requirements more explicit.
   static Cfg *create(GlobalContext *Ctx) {
     Cfg *Func = new Cfg(Ctx);
-    CurrentCfg = Func;
+    Func->updateTLS();
     return Func;
   }
   // Gets a pointer to the current thread's Cfg.
   static const Cfg *getCurrentCfg() { return CurrentCfg; }
+  void updateTLS() const { CurrentCfg = this; }
   // Gets a pointer to the current thread's Cfg's allocator.
   static ArenaAllocator<> *getCurrentCfgAllocator() {
     assert(CurrentCfg);
@@ -50,6 +49,12 @@ public:
 
   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; }
@@ -184,6 +189,7 @@ private:
   Cfg(GlobalContext *Ctx);
 
   GlobalContext *Ctx;
+  VerboseMask VMask;
   IceString FunctionName;
   Type ReturnType;
   bool IsInternalLinkage;