Subzero. Fixes memory leaks.

src/IceConverter.cpp

 //===- subzero/src/IceConverter.cpp - Converts LLVM to Ice  ---------------===//
 //
 //                        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 LLVM to ICE converter.
@@ skipping 736 matching lines @@
 
 void LLVM2ICEGlobalsConverter::addGlobalInitializer(
     Ice::VariableDeclaration &Global, const Constant *Initializer,
     bool HasOffset, Ice::RelocOffsetT Offset) {
   (void)HasOffset;
   assert(HasOffset || Offset == 0);
 
   if (const auto CDA = dyn_cast<ConstantDataArray>(Initializer)) {
     assert(!HasOffset && isa<IntegerType>(CDA->getElementType()) &&
            (cast<IntegerType>(CDA->getElementType())->getBitWidth() == 8));
-    Global.addInitializer(new Ice::VariableDeclaration::DataInitializer(
+    Global.addInitializer(Ice::VariableDeclaration::DataInitializer::create(
         CDA->getRawDataValues().data(), CDA->getNumElements()));
     return;
   }
 
   if (isa<ConstantAggregateZero>(Initializer)) {
     if (const auto AT = dyn_cast<ArrayType>(Initializer->getType())) {
       assert(!HasOffset && isa<IntegerType>(AT->getElementType()) &&
              (cast<IntegerType>(AT->getElementType())->getBitWidth() == 8));
-      Global.addInitializer(
-          new Ice::VariableDeclaration::ZeroInitializer(AT->getNumElements()));
+      Global.addInitializer(Ice::VariableDeclaration::ZeroInitializer::create(
+          AT->getNumElements()));
     } else {
       llvm_unreachable("Unhandled constant aggregate zero type");
     }
     return;
   }
 
   if (const auto Exp = dyn_cast<ConstantExpr>(Initializer)) {
     switch (Exp->getOpcode()) {
     case Instruction::Add:
       assert(!HasOffset);
       addGlobalInitializer(Global, Exp->getOperand(0), true,
                            getIntegerLiteralConstant(Exp->getOperand(1)));
       return;
     case Instruction::PtrToInt: {
       assert(TypeConverter.convertToIceType(Exp->getType()) ==
              Ice::getPointerType());
       const auto GV = dyn_cast<GlobalValue>(Exp->getOperand(0));
       assert(GV);
       const Ice::GlobalDeclaration *Addr =
           getConverter().getGlobalDeclaration(GV);
       Global.addInitializer(
-          new Ice::VariableDeclaration::RelocInitializer(Addr, Offset));
+          Ice::VariableDeclaration::RelocInitializer::create(Addr, Offset));
       return;
     }
     default:
       break;
     }
   }
 
   std::string Buffer;
   raw_string_ostream StrBuf(Buffer);
   StrBuf << "Unhandled global initializer: " << Initializer;
@@ skipping 60 matching lines @@
   for (const Function &Func : *Mod) {
     FuncSigType Signature;
     FunctionType *FuncType = Func.getFunctionType();
     Signature.setReturnType(
         Converter.convertToIceType(FuncType->getReturnType()));
     for (size_t I = 0; I < FuncType->getNumParams(); ++I) {
       Signature.appendArgType(
           Converter.convertToIceType(FuncType->getParamType(I)));
     }
     FunctionDeclaration *IceFunc = FunctionDeclaration::create(
-        Signature, Func.getCallingConv(), Func.getLinkage(), Func.empty());
+        Ctx, Signature, Func.getCallingConv(), Func.getLinkage(), Func.empty());
     IceFunc->setName(Func.getName());
     GlobalDeclarationMap[&Func] = IceFunc;
   }
   // Install global variable declarations.
   for (Module::const_global_iterator I = Mod->global_begin(),
                                      E = Mod->global_end();
        I != E; ++I) {
     const GlobalVariable *GV = I;
-    VariableDeclaration *Var = VariableDeclaration::create();
+    VariableDeclaration *Var = VariableDeclaration::create(Ctx);
     Var->setName(GV->getName());
     Var->setAlignment(GV->getAlignment());
     Var->setIsConstant(GV->isConstant());
     Var->setLinkage(GV->getLinkage());
     GlobalDeclarationMap[GV] = Var;
   }
 }
 
 void Converter::convertGlobals(Module *Mod) {
   lowerGlobals(LLVM2ICEGlobalsConverter(*this).convertGlobalsToIce(Mod));
@@ skipping 12 matching lines @@
       Ctx->pushTimer(TimerID, StackID);
     }
     LLVM2ICEFunctionConverter FunctionConverter(*this);
     FunctionConverter.convertFunction(&I);
     if (TimeThisFunction)
       Ctx->popTimer(TimerID, StackID);
   }
 }
 
 } // end of namespace Ice