Mercurial > hg > graal-jvmci-8

comparison graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java @ 15260:61363577a184

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Move static helpers from ObjectStamp to StampTool.
author Josef Eisl <josef.eisl@jku.at>
date Tue, 22 Apr 2014 14:15:24 +0200
parents 97eed257999b
children 7766f486f5d6
comparison
equal deleted inserted replaced
15259:d90e5c22ba55 15260:61363577a184
59 public Node canonical(CanonicalizerTool tool) { 59 public Node canonical(CanonicalizerTool tool) {
60 if (x() == y()) { 60 if (x() == y()) {
61 return LogicConstantNode.tautology(graph()); 61 return LogicConstantNode.tautology(graph());
62 } 62 }
63 63
64 if (ObjectStamp.isObjectAlwaysNull(x())) { 64 if (StampTool.isObjectAlwaysNull(x())) {
65 return graph().unique(new IsNullNode(y())); 65 return graph().unique(new IsNullNode(y()));
66 } else if (ObjectStamp.isObjectAlwaysNull(y())) { 66 } else if (StampTool.isObjectAlwaysNull(y())) {
67 return graph().unique(new IsNullNode(x())); 67 return graph().unique(new IsNullNode(x()));
68 } 68 }
69 if (x().stamp().alwaysDistinct(y().stamp())) { 69 if (x().stamp().alwaysDistinct(y().stamp())) {
70 return LogicConstantNode.contradiction(graph()); 70 return LogicConstantNode.contradiction(graph());
71 } 71 }