Turn off dump/emit routines when building minimal subzero.

src/IceOperand.cpp

 //===- subzero/src/IceOperand.cpp - High-level operand implementation -----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the Operand class and its target-independent
@@ skipping 413 matching lines @@
     return NULL; // conservative answer
   SizeT VarNum = Var->getIndex();
   return Metadata[VarNum].getNode();
 }
 
 const InstDefList VariablesMetadata::NoDefinitions;
 
 // ======================== dump routines ======================== //
 
 void Variable::emit(const Cfg *Func) const {
-  Func->getTarget()->emitVariable(this);
+  if (ALLOW_DUMP)
+    Func->getTarget()->emitVariable(this);
 }
 
 void Variable::dump(const Cfg *Func, Ostream &Str) const {
+  if (!ALLOW_DUMP)
+    return;
   if (Func == NULL) {
     Str << "%" << getName();
     return;
   }
   if (Func->getContext()->isVerbose(IceV_RegOrigins) ||
       (!hasReg() && !Func->getTarget()->hasComputedFrame()))
     Str << "%" << getName();
   if (hasReg()) {
     if (Func->getContext()->isVerbose(IceV_RegOrigins))
       Str << ":";
     Str << Func->getTarget()->getRegName(RegNum, getType());
   } else if (Func->getTarget()->hasComputedFrame()) {
     if (Func->getContext()->isVerbose(IceV_RegOrigins))
       Str << ":";
     Str << "[" << Func->getTarget()->getRegName(
                       Func->getTarget()->getFrameOrStackReg(), IceType_i32);
     int32_t Offset = getStackOffset();
     if (Offset) {
       if (Offset > 0)
         Str << "+";
       Str << Offset;
     }
     Str << "]";
   }
 }
 
 void ConstantRelocatable::emitWithoutDollar(GlobalContext *Ctx) const {
+  if (!ALLOW_DUMP)
+    return;
   Ostream &Str = Ctx->getStrEmit();
   if (SuppressMangling)
     Str << Name;
   else
     Str << Ctx->mangleName(Name);
   if (Offset) {
     if (Offset > 0)
       Str << "+";
     Str << Offset;
   }
 }
 
 void ConstantRelocatable::emit(GlobalContext *Ctx) const {
+  if (!ALLOW_DUMP)
+    return;
   Ostream &Str = Ctx->getStrEmit();
   Str << "$";
   emitWithoutDollar(Ctx);
 }
 
 void ConstantRelocatable::dump(const Cfg *Func, Ostream &Str) const {
+  if (!ALLOW_DUMP)
+    return;
   Str << "@";
   if (Func && !SuppressMangling) {
     Str << Func->getContext()->mangleName(Name);
   } else {
     Str << Name;
   }
   if (Offset)
     Str << "+" << Offset;
 }
 
 void LiveRange::dump(Ostream &Str) const {
+  if (!ALLOW_DUMP)
+    return;
   Str << "(weight=" << Weight << ") ";
   bool First = true;
   for (const RangeElementType &I : Range) {
     if (!First)
       Str << ", ";
     First = false;
     Str << "[" << I.first << ":" << I.second << ")";
   }
 }
 
 Ostream &operator<<(Ostream &Str, const LiveRange &L) {
+  if (!ALLOW_DUMP)
+    return Str;
   L.dump(Str);
   return Str;
 }
 
 Ostream &operator<<(Ostream &Str, const RegWeight &W) {
+  if (!ALLOW_DUMP)
+    return Str;
   if (W.getWeight() == RegWeight::Inf)
     Str << "Inf";
   else
     Str << W.getWeight();
   return Str;
 }
 
 } // end of namespace Ice