Subzero: Reduce the amount of #ifdef'd code.

src/IceCfg.cpp

 //===- subzero/src/IceCfg.cpp - Control flow graph 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 Cfg class, including constant pool
@@ skipping 125 matching lines @@
       InstCall::create(this, NumArgs, Void, ProfileSummarySym, HasTailCall);
   getEntryNode()->getInsts().push_front(Call);
 }
 
 void Cfg::translate() {
   if (hasError())
     return;
   // FunctionTimer conditionally pushes/pops a TimerMarker if
   // TimeEachFunction is enabled.
   std::unique_ptr<TimerMarker> FunctionTimer;
-  if (ALLOW_DUMP) {
+  if (buildAllowsDump()) {
     const IceString &TimingFocusOn =
         getContext()->getFlags().getTimingFocusOn();
     const IceString &Name = getFunctionName();
     if (TimingFocusOn == "*" || TimingFocusOn == Name) {
       setFocusedTiming();
       getContext()->resetTimer(GlobalContext::TSK_Default);
       getContext()->setTimerName(GlobalContext::TSK_Default, Name);
     }
     if (getContext()->getFlags().getTimeEachFunction())
       FunctionTimer.reset(new TimerMarker(
@@ skipping 368 matching lines @@
   }
 }
 
 // ======================== Dump routines ======================== //
 
 // emitTextHeader() is not target-specific (apart from what is
 // abstracted by the Assembler), so it is defined here rather than in
 // the target lowering class.
 void Cfg::emitTextHeader(const IceString &MangledName, GlobalContext *Ctx,
                          const Assembler *Asm) {
-  if (!ALLOW_DUMP)
+  if (!buildAllowsDump())
     return;
   Ostream &Str = Ctx->getStrEmit();
   Str << "\t.text\n";
   if (Ctx->getFlags().getFunctionSections())
     Str << "\t.section\t.text." << MangledName << ",\"ax\",@progbits\n";
   if (!Asm->getInternal() || Ctx->getFlags().getDisableInternal()) {
     Str << "\t.globl\t" << MangledName << "\n";
     Str << "\t.type\t" << MangledName << ",%function\n";
   }
   Str << "\t" << Asm->getNonExecPadDirective() << " "
       << Asm->getBundleAlignLog2Bytes() << ",0x";
   for (uint8_t I : Asm->getNonExecBundlePadding())
     Str.write_hex(I);
   Str << "\n";
   Str << MangledName << ":\n";
 }
 
 void Cfg::emit() {
-  if (!ALLOW_DUMP)
+  if (!buildAllowsDump())
     return;
   TimerMarker T(TimerStack::TT_emit, this);
   if (Ctx->getFlags().getDecorateAsm()) {
     renumberInstructions();
     getVMetadata()->init(VMK_Uses);
     liveness(Liveness_Basic);
     dump("After recomputing liveness for -decorate-asm");
   }
   OstreamLocker L(Ctx);
   Ostream &Str = Ctx->getStrEmit();
   IceString MangledName = getContext()->mangleName(getFunctionName());
   emitTextHeader(MangledName, Ctx, getAssembler<>());
   for (CfgNode *Node : Nodes)
     Node->emit(this);
   Str << "\n";
 }
 
 void Cfg::emitIAS() {
   TimerMarker T(TimerStack::TT_emit, this);
   // The emitIAS() routines emit into the internal assembler buffer,
   // so there's no need to lock the streams.
   for (CfgNode *Node : Nodes)
     Node->emitIAS(this);
 }
 
 // Dumps the IR with an optional introductory message.
 void Cfg::dump(const IceString &Message) {
-  if (!ALLOW_DUMP)
+  if (!buildAllowsDump())
     return;
   if (!isVerbose())
     return;
   OstreamLocker L(Ctx);
   Ostream &Str = Ctx->getStrDump();
   if (!Message.empty())
     Str << "================ " << Message << " ================\n";
   setCurrentNode(getEntryNode());
   // Print function name+args
   if (isVerbose(IceV_Instructions)) {
@@ skipping 24 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice