# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1444855923 25200
# Node ID 2f752d0432d24a8314c97a261c30e5d852b55491
# Parent  4f441a977c8fd5d66000f87bad943907807b03d3
Allow SafepointNode to be lowered using snippet

diff -r 4f441a977c8f -r 2f752d0432d2 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/DefaultHotSpotLoweringProvider.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/DefaultHotSpotLoweringProvider.java	Wed Oct 14 21:12:18 2015 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/DefaultHotSpotLoweringProvider.java	Wed Oct 14 13:52:03 2015 -0700
@@ -101,6 +101,7 @@
 import com.oracle.graal.nodes.Invoke;
 import com.oracle.graal.nodes.LoweredCallTargetNode;
 import com.oracle.graal.nodes.ParameterNode;
+import com.oracle.graal.nodes.SafepointNode;
 import com.oracle.graal.nodes.StartNode;
 import com.oracle.graal.nodes.StructuredGraph;
 import com.oracle.graal.nodes.UnwindNode;
@@ -286,7 +287,7 @@
         } else if (n instanceof IntegerDivNode || n instanceof IntegerRemNode || n instanceof UnsignedDivNode || n instanceof UnsignedRemNode) {
             // Nothing to do for division nodes. The HotSpot signal handler catches divisions by
             // zero and the MIN_VALUE / -1 cases.
-        } else if (n instanceof AbstractDeoptimizeNode || n instanceof UnwindNode || n instanceof RemNode) {
+        } else if (n instanceof AbstractDeoptimizeNode || n instanceof UnwindNode || n instanceof RemNode || n instanceof SafepointNode) {
             /* No lowering, we generate LIR directly for these nodes. */
         } else if (n instanceof ClassGetHubNode) {
             lowerClassGetHubNode((ClassGetHubNode) n, tool);
diff -r 4f441a977c8f -r 2f752d0432d2 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/SafepointNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/SafepointNode.java	Wed Oct 14 21:12:18 2015 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/SafepointNode.java	Wed Oct 14 13:52:03 2015 -0700
@@ -26,13 +26,15 @@
 import com.oracle.graal.graph.NodeClass;
 import com.oracle.graal.nodeinfo.NodeInfo;
 import com.oracle.graal.nodes.spi.LIRLowerable;
+import com.oracle.graal.nodes.spi.Lowerable;
+import com.oracle.graal.nodes.spi.LoweringTool;
 import com.oracle.graal.nodes.spi.NodeLIRBuilderTool;
 
 /**
  * Marks a position in the graph where a safepoint should be emitted.
  */
 @NodeInfo
-public final class SafepointNode extends DeoptimizingFixedWithNextNode implements LIRLowerable {
+public final class SafepointNode extends DeoptimizingFixedWithNextNode implements Lowerable, LIRLowerable {
 
     public static final NodeClass<SafepointNode> TYPE = NodeClass.create(SafepointNode.class);
 
@@ -41,6 +43,11 @@
     }
 
     @Override
+    public void lower(LoweringTool tool) {
+        tool.getLowerer().lower(this, tool);
+    }
+
+    @Override
     public void generate(NodeLIRBuilderTool gen) {
         gen.visitSafepointNode(this);
     }