Examples with INVOCATION_ENTRY_BCI jdk.vm.ci.runtime.JVMCICompiler.INVOCATION_ENTRY_BCI used on opensource projects

Example 1 with INVOCATION_ENTRY_BCI

use of jdk.vm.ci.runtime.JVMCICompiler.INVOCATION_ENTRY_BCI in project graal by oracle.

the class BytecodeParser method parseAndInlineCallee.

protected void parseAndInlineCallee(ResolvedJavaMethod targetMethod, ValueNode[] args, IntrinsicContext calleeIntrinsicContext) {
    FixedWithNextNode calleeBeforeUnwindNode = null;
    ValueNode calleeUnwindValue = null;
    try (IntrinsicScope s = calleeIntrinsicContext != null && !parsingIntrinsic() ? new IntrinsicScope(this, targetMethod.getSignature().toParameterKinds(!targetMethod.isStatic()), args) : null) {
        BytecodeParser parser = graphBuilderInstance.createBytecodeParser(graph, this, targetMethod, INVOCATION_ENTRY_BCI, calleeIntrinsicContext);
        FrameStateBuilder startFrameState = new FrameStateBuilder(parser, parser.code, graph);
        if (!targetMethod.isStatic()) {
            args[0] = nullCheckedValue(args[0]);
        }
        startFrameState.initializeFromArgumentsArray(args);
        parser.build(this.lastInstr, startFrameState);
        if (parser.returnDataList == null) {
            /* Callee does not return. */
            lastInstr = null;
        } else {
            ValueNode calleeReturnValue;
            MergeNode returnMergeNode = null;
            if (s != null) {
                s.returnDataList = parser.returnDataList;
            }
            if (parser.returnDataList.size() == 1) {
                /* Callee has a single return, we can continue parsing at that point. */
                ReturnToCallerData singleReturnData = parser.returnDataList.get(0);
                lastInstr = singleReturnData.beforeReturnNode;
                calleeReturnValue = singleReturnData.returnValue;
            } else {
                assert parser.returnDataList.size() > 1;
                /* Callee has multiple returns, we need to insert a control flow merge. */
                returnMergeNode = graph.add(new MergeNode());
                calleeReturnValue = ValueMergeUtil.mergeValueProducers(returnMergeNode, parser.returnDataList, returnData -> returnData.beforeReturnNode, returnData -> returnData.returnValue);
            }
            if (calleeReturnValue != null) {
                frameState.push(targetMethod.getSignature().getReturnKind().getStackKind(), calleeReturnValue);
            }
            if (returnMergeNode != null) {
                returnMergeNode.setStateAfter(createFrameState(stream.nextBCI(), returnMergeNode));
                lastInstr = finishInstruction(returnMergeNode, frameState);
            }
        }
        /*
             * Propagate any side effects into the caller when parsing intrinsics.
             */
        if (parser.frameState.isAfterSideEffect() && parsingIntrinsic()) {
            for (StateSplit sideEffect : parser.frameState.sideEffects()) {
                frameState.addSideEffect(sideEffect);
            }
        }
        calleeBeforeUnwindNode = parser.getBeforeUnwindNode();
        if (calleeBeforeUnwindNode != null) {
            calleeUnwindValue = parser.getUnwindValue();
            assert calleeUnwindValue != null;
        }
    }
    /*
         * Method handleException will call createTarget, which wires this exception edge to the
         * corresponding exception dispatch block in the caller. In the case where it wires to the
         * caller's unwind block, any FrameState created meanwhile, e.g., FrameState for
         * LoopExitNode, would be instantiated with AFTER_EXCEPTION_BCI. Such frame states should
         * not be fixed by IntrinsicScope.close, as they denote the states of the caller. Thus, the
         * following code should be placed outside the IntrinsicScope, so that correctly created
         * FrameStates are not replaced.
         */
    if (calleeBeforeUnwindNode != null) {
        calleeBeforeUnwindNode.setNext(handleException(calleeUnwindValue, bci(), false));
    }
}