Subzero: Print memory usage info when dumping.

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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 185 matching lines @@
     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(
           getContext()->getTimerID(GlobalContext::TSK_Funcs, Name),
           getContext(), GlobalContext::TSK_Funcs));
-    if (isVerbose(IceV_Status))
-      getContext()->getStrDump() << ">>>Translating " << Name << "\n";
+    if (isVerbose(IceV_Status)) {
+      getContext()->getStrDump() << ">>>Translating "
+                                 << getFunctionNameAndSize() << "\n";
+    }
   }
   TimerMarker T(TimerStack::TT_translate, this);
 
   dump("Initial CFG");
 
   if (getContext()->getFlags().getEnableBlockProfile()) {
     profileBlocks();
     // TODO(jpp): this is fragile, at best. Figure out a better way of
     // detecting exit functions.
     if (GlobalContext::matchSymbolName(getFunctionName(), "exit")) {
@@ skipping 859 matching lines @@
 // Dumps the IR with an optional introductory message.
 void Cfg::dump(const IceString &Message) {
   if (!BuildDefs::dump())
     return;
   if (!isVerbose())
     return;
   OstreamLocker L(Ctx);
   Ostream &Str = Ctx->getStrDump();
   if (!Message.empty())
     Str << "================ " << Message << " ================\n";
+  if (isVerbose(IceV_Mem)) {
+    constexpr size_t OneMB = 1024 * 1024;
+    Str << "Memory size = "
+        << (CfgLocalAllocator<int>().current()->getTotalMemory() / OneMB)
+        << " MB\n";
+  }
   setCurrentNode(getEntryNode());
   // Print function name+args
   if (isVerbose(IceV_Instructions)) {
     Str << "define ";
     if (getInternal() && !Ctx->getFlags().getDisableInternal())
       Str << "internal ";
     Str << ReturnType << " @" << Ctx->mangleName(getFunctionName()) << "(";
     for (SizeT i = 0; i < Args.size(); ++i) {
       if (i > 0)
         Str << ", ";
@@ skipping 35 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice