Implemented global redzones.

src/IceInstrumentation.h

 //===- subzero/src/IceInstrumentation.h - ICE instrumentation ---*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 23 matching lines @@
 
 class LoweringContext;
 
 class Instrumentation {
   Instrumentation() = delete;
   Instrumentation(const Instrumentation &) = delete;
   Instrumentation &operator=(const Instrumentation &) = delete;
 
 public:
   Instrumentation(GlobalContext *Ctx) : Ctx(Ctx) {}
-  virtual void instrumentGlobals() {};
+  virtual void instrumentGlobals(VariableDeclarationList &Globals) {

[Jim Stichnoth, 2016/06/09 22:27:39]

If you do this:

  virtual void instrumentGlobals(VariableDeclarationList &) {

you won't need to cast Globals to void.

Or, if you prefer the implicit documentation of the argument name:

  virtual void instrumentGlobals(VariableDeclarationList &/*Globals*/) {

[tlively, 2016/06/09 23:30:10]

Done.

+    (void) Globals;
+  };
   void instrumentFunc(Cfg *Func);
 
 private:
   void instrumentInst(LoweringContext &Context);
   virtual void instrumentFuncStart(LoweringContext &Context) {
     (void) Context;
   }
   virtual void instrumentAlloca(LoweringContext &Context,
                                 const class InstAlloca *Instr) {
     (void) Context;
@@ skipping 83 matching lines @@
     (void) Func;
   }
 
 protected:
   GlobalContext *Ctx;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTRUMENTATION_H