Subzero: Print memory usage info when dumping.

src/IceCfg.cpp

@@ -203,8 +203,10 @@ void Cfg::translate() {
       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);
 
@@ -1084,6 +1086,12 @@ void Cfg::dump(const IceString &Message) {
   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)) {

src/IceClFlags.cpp

@@ -335,6 +335,7 @@ cl::list<Ice::VerboseItem> VerboseList(
                    "Print the name of the function being translated"),
         clEnumValN(Ice::IceV_AvailableRegs, "registers",
                    "Show available registers for register allocation"),
+        clEnumValN(Ice::IceV_Mem, "mem", "Memory usage details"),
         clEnumValN(Ice::IceV_All, "all", "Use all verbose options"),
         clEnumValN(Ice::IceV_Most, "most",
                    "Use all verbose options except 'regalloc'"),

src/IceDefs.h

@@ -213,6 +213,7 @@ enum VerboseItem {
   IceV_Loop = 1 << 13,
   IceV_Status = 1 << 14,
   IceV_AvailableRegs = 1 << 15,
+  IceV_Mem = 1 << 16,
   IceV_All = ~IceV_None,
   IceV_Most = IceV_All & ~IceV_LinearScan
 };