1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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23 
24 
25 package org.graalvm.compiler.nodes;
26 
27 import org.graalvm.compiler.graph.Node;
28 import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
29 import org.graalvm.compiler.nodes.java.MethodCallTargetNode;
30 import org.graalvm.compiler.nodes.spi.Lowerable;
31 import org.graalvm.compiler.nodes.type.StampTool;
32 
33 import jdk.vm.ci.meta.ResolvedJavaMethod;
34 import jdk.vm.ci.meta.ResolvedJavaType;
35 
36 public interface Invoke extends StateSplit, Lowerable, DeoptimizingNode.DeoptDuring, FixedNodeInterface, Invokable {
37 
next()38     FixedNode next();
39 
setNext(FixedNode x)40     void setNext(FixedNode x);
41 
callTarget()42     CallTargetNode callTarget();
43 
44     @Override
bci()45     int bci();
46 
predecessor()47     Node predecessor();
48 
classInit()49     ValueNode classInit();
50 
setClassInit(ValueNode node)51     void setClassInit(ValueNode node);
52 
intrinsify(Node node)53     void intrinsify(Node node);
54 
useForInlining()55     boolean useForInlining();
56 
setUseForInlining(boolean value)57     void setUseForInlining(boolean value);
58 
59     /**
60      * True if this invocation is almost certainly polymorphic, false when in doubt.
61      */
isPolymorphic()62     boolean isPolymorphic();
63 
setPolymorphic(boolean value)64     void setPolymorphic(boolean value);
65 
66     @Override
getTargetMethod()67     default ResolvedJavaMethod getTargetMethod() {
68         return callTarget() != null ? callTarget().targetMethod() : null;
69     }
70 
71     /**
72      * Returns the {@linkplain ResolvedJavaMethod method} from which this invoke is executed. This
73      * is the caller method and in the case of inlining may be different from the method of the
74      * graph this node is in.
75      *
76      * @return the method from which this invoke is executed.
77      */
getContextMethod()78     default ResolvedJavaMethod getContextMethod() {
79         FrameState state = stateAfter();
80         if (state == null) {
81             state = stateDuring();
82         }
83         return state.getMethod();
84     }
85 
86     /**
87      * Returns the {@linkplain ResolvedJavaType type} from which this invoke is executed. This is
88      * the declaring type of the caller method.
89      *
90      * @return the type from which this invoke is executed.
91      */
getContextType()92     default ResolvedJavaType getContextType() {
93         ResolvedJavaMethod contextMethod = getContextMethod();
94         if (contextMethod == null) {
95             return null;
96         }
97         return contextMethod.getDeclaringClass();
98     }
99 
100     @Override
computeStateDuring(FrameState stateAfter)101     default void computeStateDuring(FrameState stateAfter) {
102         FrameState newStateDuring = stateAfter.duplicateModifiedDuringCall(bci(), asNode().getStackKind());
103         setStateDuring(newStateDuring);
104     }
105 
getReceiver()106     default ValueNode getReceiver() {
107         assert getInvokeKind().hasReceiver();
108         return callTarget().arguments().get(0);
109     }
110 
getReceiverType()111     default ResolvedJavaType getReceiverType() {
112         ResolvedJavaType receiverType = StampTool.typeOrNull(getReceiver());
113         if (receiverType == null) {
114             receiverType = ((MethodCallTargetNode) callTarget()).targetMethod().getDeclaringClass();
115         }
116         return receiverType;
117     }
118 
getInvokeKind()119     default InvokeKind getInvokeKind() {
120         return callTarget().invokeKind();
121     }
122 }
123