protected void lowerLoadFieldNode(LoadFieldNode loadField, LoweringTool tool) { assert loadField.getStackKind() != JavaKind.Illegal; StructuredGraph graph = loadField.graph(); ResolvedJavaField field = loadField.field(); ValueNode object = loadField.isStatic() ? staticFieldBase(graph, field) : loadField.object(); object = createNullCheckedValue(object, loadField, tool); Stamp loadStamp = loadStamp(loadField.stamp(NodeView.DEFAULT), getStorageKind(field)); AddressNode address = createFieldAddress(graph, object, field); assert address != null : "Field that is loaded must not be eliminated: " + field.getDeclaringClass().toJavaName(true) + "." + field.getName(); ReadNode memoryRead = graph.add(new ReadNode(address, fieldLocationIdentity(field), loadStamp, fieldLoadBarrierType(field))); ValueNode readValue = implicitLoadConvert(graph, getStorageKind(field), memoryRead); loadField.replaceAtUsages(readValue); graph.replaceFixed(loadField, memoryRead); if (loadField.isVolatile()) { MembarNode preMembar = graph.add(new MembarNode(JMM_PRE_VOLATILE_READ)); graph.addBeforeFixed(memoryRead, preMembar); MembarNode postMembar = graph.add(new MembarNode(JMM_POST_VOLATILE_READ)); graph.addAfterFixed(memoryRead, postMembar); } }