Subzero : Live Range Splitting after initial Register Allocation

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 1688 matching lines @@
 }
 
 size_t Cfg::getLivenessMemoryMB() const {
   constexpr size_t _1MB = 1024 * 1024;
   if (Live == nullptr) {
     return 0;
   }
   return Live->getAllocator()->getTotalMemory() / _1MB;
 }
 
+void Cfg::addVariable(Variable *Var) {
+  assert(Var);
+  Var->setIndex(getVariables().size());
+  Variables.push_back(Var);
+}
+
 // 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();
   if (Message[0])
     Str << "================ " << Message << " ================\n";
@@ skipping 48 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice