Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/yield/InlinedYieldDispatchNode.java @ 13792:9e7acc9cad8e
kill unused frame states when loop exits are removed
thanks to Gilles
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 28 Jan 2014 23:38:22 +0100 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ package com.oracle.truffle.ruby.nodes.yield; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.ruby.nodes.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.core.*; /** * Dispatch to a known method which has been inlined. */ public class InlinedYieldDispatchNode extends YieldDispatchNode { private final RubyRootNode pristineRootNode; private final FrameDescriptor frameDescriptor; private final RubyRootNode rootNode; public InlinedYieldDispatchNode(RubyContext context, SourceSection sourceSection, InlinableMethodImplementation method) { super(context, sourceSection); pristineRootNode = method.getPristineRootNode(); frameDescriptor = method.getFrameDescriptor(); rootNode = method.getCloneOfPristineRootNode(); } @Override public Object dispatch(VirtualFrame frame, RubyProc block, Object[] argumentsObjects) { /* * We're inlining based on the root node used, checking that root node still matches, and * then taking the materialized frame from the block we actually got. We can't look for * RubyMethod or RubyProc, because they're allocated for each call passing a block. */ if (!(block.getMethod().getImplementation() instanceof InlinableMethodImplementation) || ((InlinableMethodImplementation) block.getMethod().getImplementation()).getPristineRootNode() != pristineRootNode) { CompilerDirectives.transferToInterpreter(); // TODO(CS): at the moment we just go back to uninit, which may cause loops final UninitializedYieldDispatchNode dispatch = new UninitializedYieldDispatchNode(getContext(), getSourceSection()); replace(dispatch); return dispatch.dispatch(frame, block, argumentsObjects); } final InlinableMethodImplementation implementation = (InlinableMethodImplementation) block.getMethod().getImplementation(); final RubyArguments arguments = new RubyArguments(implementation.getDeclarationFrame(), block.getSelf(), block.getBlock(), argumentsObjects); final VirtualFrame inlinedFrame = Truffle.getRuntime().createVirtualFrame(frame.pack(), arguments, frameDescriptor); return rootNode.execute(inlinedFrame); } }