Examples with MatchStatement org.graalvm.compiler.core.match.MatchStatement used on opensource projects

Example 1 with MatchStatement

use of org.graalvm.compiler.core.match.MatchStatement in project graal by oracle.

the class NodeLIRBuilder method matchComplexExpressions.

@SuppressWarnings("try")
protected void matchComplexExpressions(List<Node> nodes) {
    if (matchRules != null) {
        DebugContext debug = gen.getResult().getLIR().getDebug();
        try (DebugContext.Scope s = debug.scope("MatchComplexExpressions")) {
            if (LogVerbose.getValue(nodeOperands.graph().getOptions())) {
                int i = 0;
                for (Node node : nodes) {
                    debug.log("%d: (%s) %1S", i++, node.getUsageCount(), node);
                }
            }
            // Match the nodes in backwards order to encourage longer matches.
            for (int index = nodes.size() - 1; index >= 0; index--) {
                Node node = nodes.get(index);
                if (getOperand(node) != null) {
                    continue;
                }
                // See if this node is the root of any MatchStatements
                List<MatchStatement> statements = matchRules.get(node.getClass());
                if (statements != null) {
                    for (MatchStatement statement : statements) {
                        if (statement.generate(this, index, node, nodes)) {
                            // Found a match so skip to the next
                            break;
                        }
                    }
                }
            }
        }
    }
}