Turn off dump/emit routines when building minimal subzero.

src/IceGlobalInits.h

 //===- subzero/src/IceGlobalInits.h - Global declarations -------*- 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 representation of function declarations,
@@ skipping 43 matching lines @@
     Linkage = NewLinkage;
   }
   virtual ~GlobalDeclaration() {}
 
   /// Prints out type of the global declaration.
   virtual void dumpType(Ostream &Stream) const = 0;
 
   /// Prints out the global declaration.
   virtual void dump(GlobalContext *Ctx, Ostream &Stream) const = 0;
   void dump(Ostream &Stream) const {
+    if (!ALLOW_DUMP)
+      return;
     GlobalContext *const Ctx = nullptr;
     dump(Ctx, Stream);
   }
 
   /// Returns true if when emitting names, we should suppress mangling.
   virtual bool getSuppressMangling() const = 0;
 
   // Mangles name for cross tests, unless external and not defined locally
   // (so that relocations accross llvm2ice and pnacl-llc will work).
   virtual IceString mangleName(GlobalContext *Ctx) const {
@@ skipping 68 matching lines @@
     enum InitializerKind {
       DataInitializerKind,
       ZeroInitializerKind,
       RelocInitializerKind
     };
     InitializerKind getKind() const { return Kind; }
     virtual ~Initializer() {}
     virtual SizeT getNumBytes() const = 0;
     virtual void dump(GlobalContext *Ctx, Ostream &Stream) const = 0;
     void dump(Ostream &Stream) const {
-      dump(nullptr, Stream);
+      if (ALLOW_DUMP)
+        dump(nullptr, Stream);
     }
     virtual void dumpType(Ostream &Stream) const;
 
   protected:
     explicit Initializer(InitializerKind Kind) : Kind(Kind) {}
 
   private:
     const InitializerKind Kind;
   };
 
@@ skipping 152 matching lines @@
 template <class StreamType>
 inline StreamType &operator<<(StreamType &Stream,
                               const GlobalDeclaration &Addr) {
   Addr.dump(Stream);
   return Stream;
 }
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALINITS_H