# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1385150258 28800
# Node ID c65150049959bce7aa9a16763cdbb544fd7a0e0d
# Parent  aa9be8414779a8acc0ac5203bcc1e12993b73e22
Allow DeoptimizeNode and UnwindNode to be lowered

diff -r aa9be8414779 -r c65150049959 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotLoweringProvider.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotLoweringProvider.java	Fri Nov 22 11:56:46 2013 -0800
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotLoweringProvider.java	Fri Nov 22 11:57:38 2013 -0800
@@ -520,6 +520,8 @@
             boxingSnippets.lower((BoxNode) n, tool);
         } else if (n instanceof UnboxNode) {
             boxingSnippets.lower((UnboxNode) n, tool);
+        } else if (n instanceof DeoptimizeNode || n instanceof UnwindNode) {
+            /* No lowering, we generate LIR directly for these nodes. */
         } else {
             assert false : "Node implementing Lowerable not handled: " + n;
             throw GraalInternalError.shouldNotReachHere();
diff -r aa9be8414779 -r c65150049959 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java	Fri Nov 22 11:56:46 2013 -0800
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java	Fri Nov 22 11:57:38 2013 -0800
@@ -27,7 +27,7 @@
 import com.oracle.graal.nodes.spi.*;
 
 @NodeInfo(shortName = "Deopt", nameTemplate = "Deopt {p#reason/s}")
-public class DeoptimizeNode extends AbstractDeoptimizeNode implements LIRLowerable {
+public class DeoptimizeNode extends AbstractDeoptimizeNode implements Lowerable, LIRLowerable {
 
     private final DeoptimizationAction action;
     private final DeoptimizationReason reason;
@@ -54,6 +54,11 @@
     }
 
     @Override
+    public void lower(LoweringTool tool) {
+        tool.getLowerer().lower(this, tool);
+    }
+
+    @Override
     public void generate(LIRGeneratorTool gen) {
         gen.emitDeoptimize(gen.getMetaAccess().encodeDeoptActionAndReason(action, reason, speculationId), this);
     }
diff -r aa9be8414779 -r c65150049959 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/UnwindNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/UnwindNode.java	Fri Nov 22 11:56:46 2013 -0800
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/UnwindNode.java	Fri Nov 22 11:57:38 2013 -0800
@@ -29,7 +29,7 @@
 /**
  * Unwinds the current frame to an exception handler in the caller frame.
  */
-public final class UnwindNode extends ControlSinkNode implements LIRLowerable {
+public final class UnwindNode extends ControlSinkNode implements Lowerable, LIRLowerable {
 
     @Input private ValueNode exception;
 
@@ -44,6 +44,11 @@
     }
 
     @Override
+    public void lower(LoweringTool tool) {
+        tool.getLowerer().lower(this, tool);
+    }
+
+    @Override
     public void generate(LIRGeneratorTool gen) {
         gen.emitUnwind(gen.operand(exception()));
     }