Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.parser/src/com/oracle/truffle/ruby/parser/RubyFrameTypeConversion.java @ 13780:d6ac7ebead35
canonicalize a LoadField on a null constant object to deopt
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 28 Jan 2014 14:39:48 +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.parser; import com.oracle.truffle.api.impl.*; import com.oracle.truffle.ruby.runtime.*; public final class RubyFrameTypeConversion extends DefaultFrameTypeConversion { private static final RubyFrameTypeConversion INSTANCE = new RubyFrameTypeConversion(); private RubyFrameTypeConversion() { } @Override public Object getDefaultValue() { return NilPlaceholder.INSTANCE; } public static RubyFrameTypeConversion getInstance() { return INSTANCE; } }