Mercurial > hg > truffle
changeset 15080:0bc5f99bf9d2
remove unused MemoryAnchorNodes
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Mon, 14 Apr 2014 11:12:39 +0200 |
parents | 976c6cb2bf69 |
children | 5ffcd28b9340 |
files | graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MemoryAnchorNode.java |
diffstat | 1 files changed, 7 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MemoryAnchorNode.java Sun Apr 13 22:55:23 2014 +0200 +++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MemoryAnchorNode.java Mon Apr 14 11:12:39 2014 +0200 @@ -23,13 +23,14 @@ package com.oracle.graal.replacements.nodes; import com.oracle.graal.graph.*; +import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; @NodeInfo(allowedUsageTypes = {InputType.Memory}) -public class MemoryAnchorNode extends FixedWithNextNode implements LIRLowerable, MemoryNode { +public class MemoryAnchorNode extends FixedWithNextNode implements LIRLowerable, MemoryNode, Canonicalizable { public MemoryAnchorNode() { super(StampFactory.forVoid()); @@ -39,6 +40,11 @@ // Nothing to emit, since this node is used for structural purposes only. } + @Override + public Node canonical(CanonicalizerTool tool) { + return usages().isEmpty() ? null : this; + } + public MemoryCheckpoint asMemoryCheckpoint() { return null; }