8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.nodes.aot; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3; 26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_3; 27 28 import org.graalvm.compiler.common.PermanentBailoutException; 29 import org.graalvm.compiler.graph.Node; 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.graph.spi.Canonicalizable; 32 import org.graalvm.compiler.graph.spi.CanonicalizerTool; 33 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; 34 import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction; 35 import org.graalvm.compiler.hotspot.word.KlassPointer; 36 import org.graalvm.compiler.nodeinfo.NodeInfo; 37 import org.graalvm.compiler.nodes.ValueNode; 38 import org.graalvm.compiler.nodes.calc.FloatingNode; 39 import org.graalvm.compiler.nodes.spi.LIRLowerable; 40 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 41 import org.graalvm.compiler.nodes.util.GraphUtil; 42 43 import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant; 44 import jdk.vm.ci.hotspot.HotSpotObjectConstant; 45 import jdk.vm.ci.meta.Constant; 46 import jdk.vm.ci.meta.Value; 47 48 @NodeInfo(cycles = CYCLES_3, size = SIZE_3) 49 public class LoadConstantIndirectlyNode extends FloatingNode implements Canonicalizable, LIRLowerable { 50 51 public static final NodeClass<LoadConstantIndirectlyNode> TYPE = NodeClass.create(LoadConstantIndirectlyNode.class); 52 53 @OptionalInput protected ValueNode value; 54 protected Constant constant; 55 protected HotSpotConstantLoadAction action; 56 57 public LoadConstantIndirectlyNode(ValueNode value) { 58 super(TYPE, value.stamp().unrestricted()); 59 this.value = value; 60 this.constant = null; 61 this.action = HotSpotConstantLoadAction.RESOLVE; 62 } 63 64 public LoadConstantIndirectlyNode(ValueNode value, HotSpotConstantLoadAction action) { 65 super(TYPE, value.stamp().unrestricted()); 66 this.value = value; 67 this.constant = null; 68 this.action = action; 69 } 70 71 @Override 72 public Node canonical(CanonicalizerTool tool) { 73 if (value != null) { 74 constant = GraphUtil.foldIfConstantAndRemove(this, value); 75 } 76 return this; 77 } 78 79 @Override 80 public void generate(NodeLIRBuilderTool gen) { 81 assert constant != null : "Expected the value to fold: " + value; 82 Value result; 83 if (constant instanceof HotSpotObjectConstant) { 84 result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitLoadObjectAddress(constant); 85 } else if (constant instanceof HotSpotMetaspaceConstant) { | 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.nodes.aot; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3; 26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_3; 27 28 import org.graalvm.compiler.core.common.PermanentBailoutException; 29 import org.graalvm.compiler.graph.Node; 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.graph.spi.Canonicalizable; 32 import org.graalvm.compiler.graph.spi.CanonicalizerTool; 33 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; 34 import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction; 35 import org.graalvm.compiler.hotspot.word.KlassPointer; 36 import org.graalvm.compiler.nodeinfo.NodeInfo; 37 import org.graalvm.compiler.nodes.ValueNode; 38 import org.graalvm.compiler.nodes.calc.FloatingNode; 39 import org.graalvm.compiler.nodes.spi.LIRLowerable; 40 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 41 import org.graalvm.compiler.nodes.util.GraphUtil; 42 43 import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant; 44 import jdk.vm.ci.hotspot.HotSpotObjectConstant; 45 import jdk.vm.ci.meta.Constant; 46 import jdk.vm.ci.meta.Value; 47 48 @NodeInfo(cycles = CYCLES_3, size = SIZE_3) 49 public class LoadConstantIndirectlyNode extends FloatingNode implements Canonicalizable, LIRLowerable { 50 51 public static final NodeClass<LoadConstantIndirectlyNode> TYPE = NodeClass.create(LoadConstantIndirectlyNode.class); 52 53 @OptionalInput protected ValueNode value; 54 protected Constant constant; 55 protected HotSpotConstantLoadAction action; 56 57 public LoadConstantIndirectlyNode(ValueNode value) { 58 super(TYPE, value.stamp()); 59 this.value = value; 60 this.constant = null; 61 this.action = HotSpotConstantLoadAction.RESOLVE; 62 } 63 64 public LoadConstantIndirectlyNode(ValueNode value, HotSpotConstantLoadAction action) { 65 super(TYPE, value.stamp()); 66 this.value = value; 67 this.constant = null; 68 this.action = action; 69 } 70 71 @Override 72 public Node canonical(CanonicalizerTool tool) { 73 if (value != null) { 74 constant = GraphUtil.foldIfConstantAndRemove(this, value); 75 } 76 return this; 77 } 78 79 @Override 80 public void generate(NodeLIRBuilderTool gen) { 81 assert constant != null : "Expected the value to fold: " + value; 82 Value result; 83 if (constant instanceof HotSpotObjectConstant) { 84 result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitLoadObjectAddress(constant); 85 } else if (constant instanceof HotSpotMetaspaceConstant) { |