7 * published by the Free Software Foundation.
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.replacements.nodes;
24
25 import static org.graalvm.compiler.nodeinfo.InputType.Memory;
26 import static org.graalvm.compiler.nodeinfo.InputType.State;
27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_256;
28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_64;
29 import static org.graalvm.word.LocationIdentity.any;
30
31 import org.graalvm.compiler.core.common.type.StampFactory;
32 import org.graalvm.compiler.debug.DebugContext;
33 import org.graalvm.compiler.graph.NodeClass;
34 import org.graalvm.compiler.graph.NodeInputList;
35 import org.graalvm.compiler.nodeinfo.NodeInfo;
36 import org.graalvm.compiler.nodes.ConstantNode;
37 import org.graalvm.compiler.nodes.DeoptimizingNode;
38 import org.graalvm.compiler.nodes.FrameState;
39 import org.graalvm.compiler.nodes.NamedLocationIdentity;
40 import org.graalvm.compiler.nodes.ValueNode;
41 import org.graalvm.compiler.nodes.java.LoadIndexedNode;
42 import org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint;
43 import org.graalvm.compiler.nodes.memory.MemoryAccess;
44 import org.graalvm.compiler.nodes.memory.MemoryCheckpoint;
45 import org.graalvm.compiler.nodes.memory.MemoryNode;
46 import org.graalvm.compiler.nodes.spi.Lowerable;
47 import org.graalvm.compiler.nodes.spi.LoweringTool;
48 import org.graalvm.compiler.nodes.spi.Virtualizable;
49 import org.graalvm.compiler.nodes.spi.VirtualizerTool;
50 import org.graalvm.compiler.nodes.type.StampTool;
51 import org.graalvm.compiler.nodes.virtual.VirtualArrayNode;
52 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
53 import org.graalvm.word.LocationIdentity;
54
55 import jdk.vm.ci.code.BytecodeFrame;
56 import jdk.vm.ci.meta.JavaKind;
57 import jdk.vm.ci.meta.ResolvedJavaType;
58
59 @NodeInfo(cycles = CYCLES_256, size = SIZE_64)
60 public class BasicArrayCopyNode extends AbstractMemoryCheckpoint implements Virtualizable, MemoryCheckpoint.Single, MemoryAccess, Lowerable, DeoptimizingNode.DeoptDuring {
61
62 public static final NodeClass<BasicArrayCopyNode> TYPE = NodeClass.create(BasicArrayCopyNode.class);
63
64 static final int SRC_ARG = 0;
65 static final int SRC_POS_ARG = 1;
66 static final int DEST_ARG = 2;
67 static final int DEST_POS_ARG = 3;
68 static final int LENGTH_ARG = 4;
69
70 @Input NodeInputList<ValueNode> args;
71
72 @OptionalInput(State) FrameState stateDuring;
73
74 @OptionalInput(Memory) protected MemoryNode lastLocationAccess;
75
76 protected JavaKind elementKind;
77
78 protected int bci;
79
198 if (len < 0 || !checkBounds(destPosInt, len, destVirtual)) {
199 return;
200 }
201 ValueNode srcAlias = tool.getAlias(getSource());
202
203 if (srcAlias instanceof VirtualObjectNode) {
204 if (!(srcAlias instanceof VirtualArrayNode)) {
205 return;
206 }
207 VirtualArrayNode srcVirtual = (VirtualArrayNode) srcAlias;
208 if (destVirtual.componentType().getJavaKind() != srcVirtual.componentType().getJavaKind()) {
209 return;
210 }
211 if (!checkBounds(srcPosInt, len, srcVirtual)) {
212 return;
213 }
214 if (!checkEntryTypes(srcPosInt, len, srcVirtual, destVirtual.type().getComponentType(), tool)) {
215 return;
216 }
217 for (int i = 0; i < len; i++) {
218 tool.setVirtualEntry(destVirtual, destPosInt + i, tool.getEntry(srcVirtual, srcPosInt + i), false);
219 }
220 tool.delete();
221 DebugContext debug = getDebug();
222 if (debug.isLogEnabled()) {
223 debug.log("virtualized arraycopy(%s, %d, %s, %d, %d)", getSource(), srcPosInt, getDestination(), destPosInt, len);
224 }
225 } else {
226 ResolvedJavaType sourceType = StampTool.typeOrNull(srcAlias);
227 if (sourceType == null || !sourceType.isArray()) {
228 return;
229 }
230 ResolvedJavaType sourceComponentType = sourceType.getComponentType();
231 ResolvedJavaType destComponentType = destVirtual.type().getComponentType();
232 if (!sourceComponentType.equals(destComponentType)) {
233 return;
234 }
235 for (int i = 0; i < len; i++) {
236 LoadIndexedNode load = new LoadIndexedNode(graph().getAssumptions(), srcAlias, ConstantNode.forInt(i + srcPosInt, graph()), destComponentType.getJavaKind());
237 tool.addNode(load);
238 tool.setVirtualEntry(destVirtual, destPosInt + i, load, false);
239 }
240 tool.delete();
241 }
242 }
243 }
244 }
245
246 @Override
247 public boolean canDeoptimize() {
248 return true;
249 }
250
251 @Override
252 public FrameState stateDuring() {
253 return stateDuring;
254 }
255
256 @Override
257 public void setStateDuring(FrameState stateDuring) {
258 updateUsages(this.stateDuring, stateDuring);
|
7 * published by the Free Software Foundation.
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.replacements.nodes;
24
25 import static org.graalvm.compiler.nodeinfo.InputType.Memory;
26 import static org.graalvm.compiler.nodeinfo.InputType.State;
27 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_64;
28 import static org.graalvm.word.LocationIdentity.any;
29
30 import org.graalvm.compiler.core.common.type.StampFactory;
31 import org.graalvm.compiler.debug.DebugContext;
32 import org.graalvm.compiler.graph.NodeClass;
33 import org.graalvm.compiler.graph.NodeInputList;
34 import org.graalvm.compiler.nodeinfo.NodeCycles;
35 import org.graalvm.compiler.nodeinfo.NodeInfo;
36 import org.graalvm.compiler.nodes.ConstantNode;
37 import org.graalvm.compiler.nodes.DeoptimizingNode;
38 import org.graalvm.compiler.nodes.FrameState;
39 import org.graalvm.compiler.nodes.NamedLocationIdentity;
40 import org.graalvm.compiler.nodes.ValueNode;
41 import org.graalvm.compiler.nodes.java.LoadIndexedNode;
42 import org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint;
43 import org.graalvm.compiler.nodes.memory.MemoryAccess;
44 import org.graalvm.compiler.nodes.memory.MemoryCheckpoint;
45 import org.graalvm.compiler.nodes.memory.MemoryNode;
46 import org.graalvm.compiler.nodes.spi.Lowerable;
47 import org.graalvm.compiler.nodes.spi.LoweringTool;
48 import org.graalvm.compiler.nodes.spi.Virtualizable;
49 import org.graalvm.compiler.nodes.spi.VirtualizerTool;
50 import org.graalvm.compiler.nodes.type.StampTool;
51 import org.graalvm.compiler.nodes.virtual.VirtualArrayNode;
52 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
53 import org.graalvm.word.LocationIdentity;
54
55 import jdk.vm.ci.code.BytecodeFrame;
56 import jdk.vm.ci.meta.JavaKind;
57 import jdk.vm.ci.meta.ResolvedJavaType;
58
59 @NodeInfo(cycles = NodeCycles.CYCLES_UNKNOWN, size = SIZE_64)
60 public class BasicArrayCopyNode extends AbstractMemoryCheckpoint implements Virtualizable, MemoryCheckpoint.Single, MemoryAccess, Lowerable, DeoptimizingNode.DeoptDuring {
61
62 public static final NodeClass<BasicArrayCopyNode> TYPE = NodeClass.create(BasicArrayCopyNode.class);
63
64 static final int SRC_ARG = 0;
65 static final int SRC_POS_ARG = 1;
66 static final int DEST_ARG = 2;
67 static final int DEST_POS_ARG = 3;
68 static final int LENGTH_ARG = 4;
69
70 @Input NodeInputList<ValueNode> args;
71
72 @OptionalInput(State) FrameState stateDuring;
73
74 @OptionalInput(Memory) protected MemoryNode lastLocationAccess;
75
76 protected JavaKind elementKind;
77
78 protected int bci;
79
198 if (len < 0 || !checkBounds(destPosInt, len, destVirtual)) {
199 return;
200 }
201 ValueNode srcAlias = tool.getAlias(getSource());
202
203 if (srcAlias instanceof VirtualObjectNode) {
204 if (!(srcAlias instanceof VirtualArrayNode)) {
205 return;
206 }
207 VirtualArrayNode srcVirtual = (VirtualArrayNode) srcAlias;
208 if (destVirtual.componentType().getJavaKind() != srcVirtual.componentType().getJavaKind()) {
209 return;
210 }
211 if (!checkBounds(srcPosInt, len, srcVirtual)) {
212 return;
213 }
214 if (!checkEntryTypes(srcPosInt, len, srcVirtual, destVirtual.type().getComponentType(), tool)) {
215 return;
216 }
217 for (int i = 0; i < len; i++) {
218 tool.setVirtualEntry(destVirtual, destPosInt + i, tool.getEntry(srcVirtual, srcPosInt + i));
219 }
220 tool.delete();
221 DebugContext debug = getDebug();
222 if (debug.isLogEnabled()) {
223 debug.log("virtualized arraycopy(%s, %d, %s, %d, %d)", getSource(), srcPosInt, getDestination(), destPosInt, len);
224 }
225 } else {
226 ResolvedJavaType sourceType = StampTool.typeOrNull(srcAlias);
227 if (sourceType == null || !sourceType.isArray()) {
228 return;
229 }
230 ResolvedJavaType sourceComponentType = sourceType.getComponentType();
231 ResolvedJavaType destComponentType = destVirtual.type().getComponentType();
232 if (!sourceComponentType.equals(destComponentType)) {
233 return;
234 }
235 for (int i = 0; i < len; i++) {
236 LoadIndexedNode load = new LoadIndexedNode(graph().getAssumptions(), srcAlias, ConstantNode.forInt(i + srcPosInt, graph()), destComponentType.getJavaKind());
237 tool.addNode(load);
238 tool.setVirtualEntry(destVirtual, destPosInt + i, load);
239 }
240 tool.delete();
241 }
242 }
243 }
244 }
245
246 @Override
247 public boolean canDeoptimize() {
248 return true;
249 }
250
251 @Override
252 public FrameState stateDuring() {
253 return stateDuring;
254 }
255
256 @Override
257 public void setStateDuring(FrameState stateDuring) {
258 updateUsages(this.stateDuring, stateDuring);
|