# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1328092557 -3600
# Node ID 168dd8970b964fb1c65dec0b9b209ba24edc6052
# Parent  97e0fb1f4906568c4e811b0517f390408047909c
Remove RemovePlaceholderPhase, Add InsertStateAfterPlaceholderPhase for snippets so that a method can not deopt from after a snippet invoke into the inlined snippet

diff -r 97e0fb1f4906 -r 168dd8970b96 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompiler.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompiler.java	Mon Jan 30 23:29:59 2012 +0100
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/GraalCompiler.java	Wed Feb 01 11:35:57 2012 +0100
@@ -181,7 +181,6 @@
                 new ReadEliminationPhase().apply(graph);
             }
         }
-        new RemovePlaceholderPhase().apply(graph);
         new DeadCodeEliminationPhase().apply(graph);
 
         plan.runPhases(PhasePosition.MID_LEVEL, graph);
diff -r 97e0fb1f4906 -r 168dd8970b96 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/InsertStateAfterPlaceholderPhase.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/InsertStateAfterPlaceholderPhase.java	Wed Feb 01 11:35:57 2012 +0100
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.max.graal.compiler.phases;
+
+import com.oracle.max.graal.nodes.*;
+
+public class InsertStateAfterPlaceholderPhase extends Phase {
+
+    @Override
+    protected void run(StructuredGraph graph) {
+        for (ReturnNode ret : graph.getNodes(ReturnNode.class)) {
+            PlaceholderNode p = graph.add(new PlaceholderNode());
+            p.setStateAfter(graph.add(new FrameState(null, FrameState.AFTER_BCI, 0, 0, false)));
+            graph.addBeforeFixed(ret, p);
+        }
+    }
+
+}
diff -r 97e0fb1f4906 -r 168dd8970b96 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/RemovePlaceholderPhase.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/RemovePlaceholderPhase.java	Mon Jan 30 23:29:59 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.max.graal.compiler.phases;
-
-import com.oracle.max.graal.nodes.*;
-
-public class RemovePlaceholderPhase extends Phase {
-    @Override
-    protected void run(StructuredGraph graph) {
-        for (PlaceholderNode n : graph.getNodes(PlaceholderNode.class)) {
-            graph.removeFixed(n);
-        }
-    }
-}
diff -r 97e0fb1f4906 -r 168dd8970b96 graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/FrameState.java
--- a/graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/FrameState.java	Mon Jan 30 23:29:59 2012 +0100
+++ b/graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/FrameState.java	Wed Feb 01 11:35:57 2012 +0100
@@ -75,27 +75,6 @@
 
     @Input private final NodeInputList<Node> virtualObjectMappings;
 
-    public FrameState outerFrameState() {
-        return outerFrameState;
-    }
-
-    public void setOuterFrameState(FrameState x) {
-        updateUsages(this.outerFrameState, x);
-        this.outerFrameState = x;
-    }
-
-    public FrameState outermostFrameState() {
-        FrameState fs = this;
-        while (fs.outerFrameState() != null) {
-            fs = fs.outerFrameState();
-        }
-        return fs;
-    }
-
-    public void setValueAt(int i, ValueNode x) {
-        values.set(i, x);
-    }
-
     /**
      * The bytecode index to which this frame state applies. This will be {@code -1}
      * iff this state is mutable.
@@ -143,6 +122,27 @@
         assert !rethrowException || stackSize == 1 : "must have exception on top of the stack";
     }
 
+    public FrameState outerFrameState() {
+        return outerFrameState;
+    }
+
+    public void setOuterFrameState(FrameState x) {
+        updateUsages(this.outerFrameState, x);
+        this.outerFrameState = x;
+    }
+
+    public FrameState outermostFrameState() {
+        FrameState fs = this;
+        while (fs.outerFrameState() != null) {
+            fs = fs.outerFrameState();
+        }
+        return fs;
+    }
+
+    public void setValueAt(int i, ValueNode x) {
+        values.set(i, x);
+    }
+
     public boolean rethrowException() {
         return rethrowException;
     }
diff -r 97e0fb1f4906 -r 168dd8970b96 graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/GraalIntrinsics.java
--- a/graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/GraalIntrinsics.java	Mon Jan 30 23:29:59 2012 +0100
+++ b/graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/GraalIntrinsics.java	Wed Feb 01 11:35:57 2012 +0100
@@ -25,7 +25,6 @@
 import com.oracle.max.cri.ci.*;
 import com.oracle.max.graal.compiler.*;
 import com.oracle.max.graal.compiler.phases.*;
-import com.oracle.max.graal.compiler.phases.PhasePlan.PhasePosition;
 import com.oracle.max.graal.cri.*;
 
 /**
diff -r 97e0fb1f4906 -r 168dd8970b96 graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/Snippets.java
--- a/graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/Snippets.java	Mon Jan 30 23:29:59 2012 +0100
+++ b/graal/com.oracle.max.graal.snippets/src/com/oracle/max/graal/snippets/Snippets.java	Wed Feb 01 11:35:57 2012 +0100
@@ -121,6 +121,7 @@
         for (LoopEndNode end : graph.getNodes(LoopEndNode.class)) {
             end.setSafepointPolling(false);
         }
+        new InsertStateAfterPlaceholderPhase().apply(graph);
 
         Debug.dump(graph, "%s: Final", snippetRiMethod.name());
 
@@ -128,5 +129,4 @@
 
         return graph;
     }
-
 }