Mercurial > hg > truffle

comparison graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadIndexedNode.java @ 9475:6f84aacfdf3c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Infer stamp for LoadIndexedNode, so that we have more precise type information for the result of the array load. This is important when the array is a originally a phi function (whithout any type information) and the phi function gets eliminated later on.
author Christian Wimmer <christian.wimmer@oracle.com>
date Wed, 01 May 2013 09:11:13 -0700
parents 0b646334c5f7
children ef6915cf1e59
comparison
equal deleted inserted replaced
9474:85f83b7b3616 9475:6f84aacfdf3c
51 return StampFactory.forKind(kind); 51 return StampFactory.forKind(kind);
52 } 52 }
53 } 53 }
54 54
55 @Override 55 @Override
56 public boolean inferStamp() {
57 return updateStamp(createStamp(array(), elementKind()));
58 }
59
60 @Override
56 public void virtualize(VirtualizerTool tool) { 61 public void virtualize(VirtualizerTool tool) {
57 State arrayState = tool.getObjectState(array()); 62 State arrayState = tool.getObjectState(array());
58 if (arrayState != null && arrayState.getState() == EscapeState.Virtual) { 63 if (arrayState != null && arrayState.getState() == EscapeState.Virtual) {
59 ValueNode indexValue = tool.getReplacedValue(index()); 64 ValueNode indexValue = tool.getReplacedValue(index());
60 int index = indexValue.isConstant() ? indexValue.asConstant().asInt() : -1; 65 int index = indexValue.isConstant() ? indexValue.asConstant().asInt() : -1;