Subzero. Outputs liveness memory usage.

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 1068 matching lines @@
   deleteJumpTableInsts();
   const bool NeedSandboxing = Ctx->getFlags().getUseSandboxing();
   for (CfgNode *Node : Nodes) {
     if (NeedSandboxing && Node->needsAlignment())
       getAssembler()->alignCfgNode();
     Node->emitIAS(this);
   }
   emitJumpTables();
 }
 
-size_t Cfg::getTotalMemoryMB() {
-  constexpr size_t OneMB = 1024 * 1024;
-  using ArbitraryType = int;
-  // CfgLocalAllocator draws from the same memory pool regardless of allocated
-  // object type, so pick an arbitrary type for the template parameter.
-  return CfgLocalAllocator<ArbitraryType>().current()->getTotalMemory() / OneMB;
+size_t Cfg::getTotalMemoryMB() const {
+  constexpr size_t _1MB = 1024 * 1024;
+  assert(Allocator != nullptr);
+  assert(CfgAllocatorTraits::current() == Allocator.get());
+  return Allocator->getTotalMemory() / _1MB;
+}
+
+size_t Cfg::getLivenessMemoryMB() const {
+  constexpr size_t _1MB = 1024 * 1024;
+  if (Live == nullptr) {
+    return 0;
+  }
+  return Live->getAllocator()->getTotalMemory() / _1MB;
 }
 
 // Dumps the IR with an optional introductory message.
 void Cfg::dump(const char *Message) {
   if (!BuildDefs::dump())
     return;
   if (!isVerbose())
     return;
   OstreamLocker L(Ctx);
   Ostream &Str = Ctx->getStrDump();
@@ skipping 50 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice