Modifying graph to include InvokeNode

[ATKIN-GRANVILLE Chris]

I forgot to mention that I have disabled inlining, via PhasePlan.disablePhase(InliningPhase.class);. 

On 16 Jul 2013, at 13:22, ATKIN-GRANVILLE Chris <s1255753 at sms.ed.ac.uk>
 wrote:

> Hi there,
> 
> I'm trying to modify the graph to include an invoke node to a static function after certain node types. I'm modifying the graph at a high level before LoweringPhase.class (not a requirement, can change if required). However, I'm running into issues with JVM fatal errors. The code I have at the moment looks like this:
> 
> public class MyPhase extends Phase {
> 	public void run(StructuredGraph graph) {
> 		for (Node node: graph.getNode()) {
> 
> 			if ( node instanceof RandomFixedNode) {
> 				RandomFixedNode rfm = (RandomFixedNode) node;
> 				
> 				try {
> 					ResolvedJavaMethod method = getMethod(…);
> 					MethodCallTargetMode callTarget = graph.add(new MethodCallTargetNode(MethodCallTargetNode.InvokeKind.Static,
> 						method, new ValueNode[] {}, new HotSpotResolvedPrimitiveType(Kind.Void)));
> 
> 					InvokeNode invoke = graph.add(new InvokeNode(callTarget, FrameState.UNKNOWN_BCI));
> 					invoke.setStateAfter(graph.add(new FrameState(FrameState.UNKNOWN_BCI)));
> 					graph.addAfterFixed(rfm, invoke);
> 				
> 				} catch (Exception e) {
> 					e.printStackTrace();
> 				} 
> 			}
> 
> 		}
> 	}
> }
> 
> I'm pretty sure the problem is do with the BCIs and/or the FrameStates, but I don't know how to fix it. The error that I get is:
> 
> Internal Error (/Volumes/Acme/Development/graal/src/share/vm/graal/graalCompilerToVM.cpp:44), pid=8466, tid=5379
> assert(hotspot_method != NULL && hotspot_method->is_a(HotSpotResolvedJavaMethod::klass())) failed: sanity
> 
> Does anyone have any ideas?
> 
> Thanks, Chris
> 
> -- 
> The University of Edinburgh is a charitable body, registered in
> Scotland, with registration number SC005336.
> 
> 



-- 
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.