Cleaup code

Author: Adam Hrbac

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/bytecode/AsyncGenWrapNode.java

@@ -43,7 +43,6 @@
 import com.oracle.graal.python.builtins.PythonBuiltinClassType;
 import com.oracle.graal.python.builtins.objects.PNone;
 import com.oracle.graal.python.nodes.PNodeWithContext;
-import com.oracle.graal.python.nodes.PRaiseNode;
 import com.oracle.graal.python.nodes.object.IsBuiltinClassProfile;
 import com.oracle.graal.python.runtime.exception.PException;
 import com.oracle.truffle.api.CompilerDirectives;
@@ -74,10 +73,9 @@ public void doPException(PException exception, boolean rootNodeVisible,
         }
     }
 
-    @Specialization
+    @Specialization(replaces = "doPException")
     public void doGeneric(Object exception, boolean rootNodeVisible,
-                    @Cached @Cached.Shared("IsStopAsyncIteration") IsBuiltinClassProfile isStopAsyncIteration,
-                    @Cached PRaiseNode raiseNode) {
+                    @Cached @Cached.Shared("IsStopAsyncIteration") IsBuiltinClassProfile isStopAsyncIteration) {
         if (exception == PNone.NONE) {
             return;
         }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/bytecode/EndAsyncForNode.java

@@ -88,13 +88,13 @@ Object doGeneric(Frame frame, Object receiver,
         Object getter = getAIter.execute(frame, type, receiver);
         if (getter == PNone.NO_VALUE) {
             errorProfile.enter(this);
-            raiseNoAIter.raise(PythonBuiltinClassType.TypeError, ASYNC_FOR_NO_AITER, getName.execute(type));
+            throw raiseNoAIter.raise(PythonBuiltinClassType.TypeError, ASYNC_FOR_NO_AITER, getName.execute(type));
         }
         Object asyncIterator = callAIter.executeObject(frame, getter, receiver);
         Object anext = lookupANext.execute(asyncIterator, T___ANEXT__);
         if (anext == PNone.NO_VALUE) {
             errorProfile.enter(this);
-            raiseNoAIter.raise(PythonBuiltinClassType.TypeError, ASYNC_FOR_NO_ANEXT_INITIAL, getName.execute(type));
+            throw raiseNoAIter.raise(PythonBuiltinClassType.TypeError, ASYNC_FOR_NO_ANEXT_INITIAL, getName.execute(type));
         }
         return asyncIterator;
     }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/bytecode/GetAIterNode.java

@@ -317,8 +317,6 @@ public final class PBytecodeRootNode extends PRootNode implements BytecodeOSRNod
     private static final NodeSupplier<GetANextNode> NODE_GET_ANEXT = GetANextNode::create;
     private static final EndAsyncForNode UNCACHED_END_ASYNC_FOR = EndAsyncForNode.getUncached();
     private static final NodeSupplier<EndAsyncForNode> NODE_END_ASYNC_FOR = EndAsyncForNode::create;
-    private static final AsyncGenWrapNode UNCACHED_ASYNC_GEN_WRAP = AsyncGenWrapNode.getUncached();
-    private static final NodeSupplier<AsyncGenWrapNode> NODE_ASYNC_GEN_WRAP = AsyncGenWrapNode::create;
     private static final NodeSupplier<ExitAWithNode> NODE_EXIT_AWITH = ExitAWithNode::create;
     private static final ImportFromNode UNCACHED_IMPORT_FROM = ImportFromNode.getUncached();
     private static final NodeSupplier<ImportFromNode> NODE_IMPORT_FROM = ImportFromNode::create;
@@ -2365,8 +2363,7 @@ private Object bytecodeLoop(VirtualFrame virtualFrame, Frame localFrame, Bytecod
 
     @BytecodeInterpreterSwitch
     private void bytecodeAsyncGenWrap(VirtualFrame virtualFrame, boolean useCachedNodes, int stackTop, Node[] localNodes, int beginBci) {
-        AsyncGenWrapNode node = insertChildNode(localNodes, beginBci, UNCACHED_ASYNC_GEN_WRAP, AsyncGenWrapNodeGen.class, NODE_ASYNC_GEN_WRAP, useCachedNodes);
-        virtualFrame.setObject(stackTop, node.execute(virtualFrame.getObject(stackTop)));
+        virtualFrame.setObject(stackTop, factory.createAsyncGeneratorWrappedValue(virtualFrame.getObject(stackTop)));
     }
 
     @BytecodeInterpreterSwitch