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
24
25 package org.graalvm.compiler.nodes.java;
26
27 import static org.graalvm.compiler.nodeinfo.InputType.State;
28 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
29 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8;
30
31 import org.graalvm.compiler.core.common.type.StampFactory;
32 import org.graalvm.compiler.graph.NodeClass;
33 import org.graalvm.compiler.nodeinfo.InputType;
34 import org.graalvm.compiler.nodeinfo.NodeInfo;
35 import org.graalvm.compiler.nodes.FrameState;
36 import org.graalvm.compiler.nodes.StateSplit;
37 import org.graalvm.compiler.nodes.ValueNode;
38 import org.graalvm.compiler.nodes.extended.GuardingNode;
39 import org.graalvm.compiler.nodes.spi.Lowerable;
40 import org.graalvm.compiler.nodes.spi.Virtualizable;
41 import org.graalvm.compiler.nodes.spi.VirtualizerTool;
42 import org.graalvm.compiler.nodes.type.StampTool;
43 import org.graalvm.compiler.nodes.virtual.VirtualArrayNode;
44 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
45
46 import jdk.vm.ci.meta.JavaKind;
47 import jdk.vm.ci.meta.ResolvedJavaType;
48
49 /**
50 * The {@code StoreIndexedNode} represents a write to an array element.
51 */
52 @NodeInfo(cycles = CYCLES_8, size = SIZE_8)
53 public final class StoreIndexedNode extends AccessIndexedNode implements StateSplit, Lowerable, Virtualizable {
54
55 public static final NodeClass<StoreIndexedNode> TYPE = NodeClass.create(StoreIndexedNode.class);
56
57 @OptionalInput(InputType.Guard) private GuardingNode storeCheck;
58 @Input ValueNode value;
59 @OptionalInput(State) FrameState stateAfter;
60
61 public GuardingNode getStoreCheck() {
62 return storeCheck;
63 }
64
65 @Override
66 public FrameState stateAfter() {
67 return stateAfter;
68 }
69
70 @Override
71 public void setStateAfter(FrameState x) {
72 assert x == null || x.isAlive() : "frame state must be in a graph";
73 updateUsages(stateAfter, x);
92 @Override
93 public void virtualize(VirtualizerTool tool) {
94 ValueNode alias = tool.getAlias(array());
95 if (alias instanceof VirtualObjectNode) {
96 ValueNode indexValue = tool.getAlias(index());
97 int idx = indexValue.isConstant() ? indexValue.asJavaConstant().asInt() : -1;
98 VirtualArrayNode virtual = (VirtualArrayNode) alias;
99 if (idx >= 0 && idx < virtual.entryCount()) {
100 ResolvedJavaType componentType = virtual.type().getComponentType();
101 if (componentType.isPrimitive() || StampTool.isPointerAlwaysNull(value) || componentType.isJavaLangObject() ||
102 (StampTool.typeReferenceOrNull(value) != null && componentType.isAssignableFrom(StampTool.typeOrNull(value)))) {
103 tool.setVirtualEntry(virtual, idx, value());
104 tool.delete();
105 }
106 }
107 }
108 }
109
110 public FrameState getState() {
111 return stateAfter;
112 }
113 }
|
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
24
25 package org.graalvm.compiler.nodes.java;
26
27 import static org.graalvm.compiler.nodeinfo.InputType.State;
28 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
29 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8;
30
31 import org.graalvm.compiler.core.common.type.StampFactory;
32 import org.graalvm.compiler.graph.Node;
33 import org.graalvm.compiler.graph.NodeClass;
34 import org.graalvm.compiler.graph.spi.Canonicalizable;
35 import org.graalvm.compiler.graph.spi.CanonicalizerTool;
36 import org.graalvm.compiler.nodeinfo.InputType;
37 import org.graalvm.compiler.nodeinfo.NodeInfo;
38 import org.graalvm.compiler.nodes.DeoptimizeNode;
39 import org.graalvm.compiler.nodes.FrameState;
40 import org.graalvm.compiler.nodes.StateSplit;
41 import org.graalvm.compiler.nodes.ValueNode;
42 import org.graalvm.compiler.nodes.extended.GuardingNode;
43 import org.graalvm.compiler.nodes.spi.Lowerable;
44 import org.graalvm.compiler.nodes.spi.Virtualizable;
45 import org.graalvm.compiler.nodes.spi.VirtualizerTool;
46 import org.graalvm.compiler.nodes.type.StampTool;
47 import org.graalvm.compiler.nodes.virtual.VirtualArrayNode;
48 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
49
50 import jdk.vm.ci.meta.DeoptimizationAction;
51 import jdk.vm.ci.meta.DeoptimizationReason;
52 import jdk.vm.ci.meta.JavaKind;
53 import jdk.vm.ci.meta.ResolvedJavaType;
54
55 /**
56 * The {@code StoreIndexedNode} represents a write to an array element.
57 */
58 @NodeInfo(cycles = CYCLES_8, size = SIZE_8)
59 public final class StoreIndexedNode extends AccessIndexedNode implements StateSplit, Lowerable, Virtualizable, Canonicalizable {
60
61 public static final NodeClass<StoreIndexedNode> TYPE = NodeClass.create(StoreIndexedNode.class);
62
63 @OptionalInput(InputType.Guard) private GuardingNode storeCheck;
64 @Input ValueNode value;
65 @OptionalInput(State) FrameState stateAfter;
66
67 public GuardingNode getStoreCheck() {
68 return storeCheck;
69 }
70
71 @Override
72 public FrameState stateAfter() {
73 return stateAfter;
74 }
75
76 @Override
77 public void setStateAfter(FrameState x) {
78 assert x == null || x.isAlive() : "frame state must be in a graph";
79 updateUsages(stateAfter, x);
98 @Override
99 public void virtualize(VirtualizerTool tool) {
100 ValueNode alias = tool.getAlias(array());
101 if (alias instanceof VirtualObjectNode) {
102 ValueNode indexValue = tool.getAlias(index());
103 int idx = indexValue.isConstant() ? indexValue.asJavaConstant().asInt() : -1;
104 VirtualArrayNode virtual = (VirtualArrayNode) alias;
105 if (idx >= 0 && idx < virtual.entryCount()) {
106 ResolvedJavaType componentType = virtual.type().getComponentType();
107 if (componentType.isPrimitive() || StampTool.isPointerAlwaysNull(value) || componentType.isJavaLangObject() ||
108 (StampTool.typeReferenceOrNull(value) != null && componentType.isAssignableFrom(StampTool.typeOrNull(value)))) {
109 tool.setVirtualEntry(virtual, idx, value());
110 tool.delete();
111 }
112 }
113 }
114 }
115
116 public FrameState getState() {
117 return stateAfter;
118 }
119
120 @Override
121 public Node canonical(CanonicalizerTool tool) {
122 if (array().isNullConstant()) {
123 return new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.NullCheckException);
124 }
125 return this;
126 }
127 }
|