Mercurial > hg > graal-compiler
changeset 18235:bb2c3f570e26
MethodCallTargetNode: simplify interface invokes to (guarded) virtual invoke on a single implementor, if there is one.
| author | Josef Eisl <josef.eisl@jku.at> |
|---|---|
| date | Thu, 30 Oct 2014 15:02:36 +0100 |
| parents | e2578a7a79ae |
| children | 6a05fba906be |
| files | graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java |
| diffstat | 1 files changed, 21 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java Tue Nov 04 12:02:37 2014 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java Thu Oct 30 15:02:36 2014 +0100 @@ -145,6 +145,27 @@ } } } + ResolvedJavaType receiverType = targetMethod().getDeclaringClass(); + if (receiverType.isInterface()) { + ResolvedJavaType single = receiverType.getSingleImplementor(); + if (single != null && !single.equals(receiverType)) { + ResolvedJavaMethod newResolvedMethod = single.resolveMethod(targetMethod(), invoke().getContextType(), true); + // TODO (je): we can not yet deal with default methods + if (newResolvedMethod != null && !newResolvedMethod.isDefault()) { + ProfilingInfo profilingInfo = invoke().getContextMethod().getProfilingInfo(); + JavaTypeProfile profile = profilingInfo.getTypeProfile(invoke().bci()); + LogicNode condition = graph().unique(InstanceOfNode.create(single, receiver, profile)); + assert graph().getGuardsStage().ordinal() < StructuredGraph.GuardsStage.FIXED_DEOPTS.ordinal() : "Graph already fixed!"; + GuardNode guard = graph().unique( + GuardNode.create(condition, BeginNode.prevBegin(invoke().asNode()), DeoptimizationReason.OptimizedTypeCheckViolated, DeoptimizationAction.InvalidateRecompile, + false, JavaConstant.NULL_OBJECT)); + PiNode piNode = graph().unique(PiNode.create(receiver, StampFactory.declared(single), guard)); + arguments().set(0, piNode); + setInvokeKind(InvokeKind.Virtual); + setTargetMethod(newResolvedMethod); + } + } + } } }