changeset 2880:385a4d7c2a78

Added new duplication phase (for verification). Fixes in Node.copy method implementations.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 11:59:54 +0200
parents 7f584bf507ed
children d7416eab9ddc
files graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/C1XOptions.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/graph/IR.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/If.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/LeftShift.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/RightShift.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/UnsignedRightShift.java graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/DuplicationPhase.java graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Graph.java graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Node.java graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/NodeArray.java
diffstat 10 files changed, 101 insertions(+), 28 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/C1XOptions.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/C1XOptions.java	Wed Jun 08 11:59:54 2011 +0200
@@ -62,7 +62,6 @@
     public static String  PrintFilter                        = null;
 
     // printing settings
-    public static boolean PrintHIR                           = ____;
     public static boolean PrintLIR                           = ____;
     public static boolean PrintCFGToFile                     = ____;
 
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/graph/IR.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/graph/IR.java	Wed Jun 08 11:59:54 2011 +0200
@@ -84,7 +84,6 @@
 
         if (C1XOptions.OptCanonicalizer) {
             new CanonicalizerPhase().apply(graph);
-            verifyAndPrint("After canonicalization");
         }
 
         // Split critical edges.
@@ -165,7 +164,7 @@
 //        duplicate.addDuplicate(compilation.graph.getNodes(), replacements);
 //        compilation.graph = duplicate;
 
-        verifyAndPrint("After graph building");
+        new DuplicationPhase().apply(compilation.graph);
 
         DeadCodeEliminationPhase dce = new DeadCodeEliminationPhase();
         dce.apply(compilation.graph);
@@ -190,36 +189,17 @@
         return orderedBlocks;
     }
 
-    private void print(boolean cfgOnly) {
-        if (!TTY.isSuppressed()) {
-            TTY.println("IR for " + compilation.method);
-            final InstructionPrinter ip = new InstructionPrinter(TTY.out());
-            final BlockPrinter bp = new BlockPrinter(this, ip, cfgOnly);
-            //getHIRStartBlock().iteratePreOrder(bp);
-        }
-    }
-
     /**
      * Verifies the IR and prints it out if the relevant options are set.
      * @param phase the name of the phase for printing
      */
     public void verifyAndPrint(String phase) {
-        if (C1XOptions.PrintHIR && !TTY.isSuppressed()) {
-            TTY.println(phase);
-            print(false);
-        }
-
         if (compilation.compiler.isObserved()) {
             compilation.compiler.fireCompilationEvent(new CompilationEvent(compilation, phase, compilation.graph, true, false));
         }
     }
 
     public void printGraph(String phase, Graph graph) {
-        if (C1XOptions.PrintHIR && !TTY.isSuppressed()) {
-            TTY.println(phase);
-            print(false);
-        }
-
         if (compilation.compiler.isObserved()) {
             compilation.compiler.fireCompilationEvent(new CompilationEvent(compilation, phase, graph, true, false));
         }
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/If.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/If.java	Wed Jun 08 11:59:54 2011 +0200
@@ -114,6 +114,6 @@
 
     @Override
     public Node copy(Graph into) {
-        return new If(compare(), into);
+        return new If(null, into);
     }
 }
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/LeftShift.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/LeftShift.java	Wed Jun 08 11:59:54 2011 +0200
@@ -47,7 +47,7 @@
 
     @Override
     public Node copy(Graph into) {
-        LeftShift ls = new LeftShift(kind, null, null, graph());
+        LeftShift ls = new LeftShift(kind, null, null, into);
         return ls;
     }
 
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/RightShift.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/RightShift.java	Wed Jun 08 11:59:54 2011 +0200
@@ -47,7 +47,7 @@
 
     @Override
     public Node copy(Graph into) {
-        RightShift rs = new RightShift(kind, null, null, graph());
+        RightShift rs = new RightShift(kind, null, null, into);
         return rs;
     }
 
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/UnsignedRightShift.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/UnsignedRightShift.java	Wed Jun 08 11:59:54 2011 +0200
@@ -47,7 +47,7 @@
 
     @Override
     public Node copy(Graph into) {
-        UnsignedRightShift x = new UnsignedRightShift(kind, null, null, graph());
+        UnsignedRightShift x = new UnsignedRightShift(kind, null, null, into);
         return x;
     }
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/phases/DuplicationPhase.java	Wed Jun 08 11:59:54 2011 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2009, 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 java.util.*;
+
+import com.oracle.max.graal.compiler.graph.*;
+import com.oracle.max.graal.graph.*;
+
+/**
+ * Duplicates every node in the graph to test the implementation of the {@link com.oracle.max.graal.graph.Node#copy()} method in node subclasses.
+ */
+public class DuplicationPhase extends Phase {
+
+    @Override
+    protected void run(Graph graph) {
+
+        // Create duplicate graph.
+        CompilerGraph duplicate = new CompilerGraph();
+        Map<Node, Node> replacements = new HashMap<Node, Node>();
+        replacements.put(graph.start(), duplicate.start());
+        duplicate.addDuplicate(graph.getNodes(), replacements);
+
+        // Delete nodes in original graph.
+        for (Node n : graph.getNodes()) {
+            if (n != null && n != graph.start()) {
+                n.forceDelete();
+            }
+        }
+
+        // Copy nodes from duplicate back to original graph.
+        replacements.clear();
+        replacements.put(duplicate.start(), graph.start());
+        graph.addDuplicate(duplicate.getNodes(), replacements);
+    }
+}
--- a/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Graph.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Graph.java	Wed Jun 08 11:59:54 2011 +0200
@@ -84,6 +84,7 @@
         // create node duplicates
         for (Node node : nodes) {
             if (node != null && !replacements.containsKey(node)) {
+                assert node.graph != this;
                 Node newNode = node.copy(this);
                 assert newNode.getClass() == node.getClass();
                 newNodes.put(node, newNode);
--- a/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Node.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/Node.java	Wed Jun 08 11:59:54 2011 +0200
@@ -115,6 +115,18 @@
     public boolean isDeleted() {
         return id == DeletedID;
     }
+    
+    public void forceDelete() {
+        for (Node n : usages) {
+            n.inputs.silentRemove(this);
+        }
+        for (Node n : predecessors) {
+            n.successors.silentRemove(this);
+        }
+        usages.clear();
+        predecessors.clear();
+        predecessorsIndex.clear();
+    }
 
     public void delete() {
         assert !isDeleted();
--- a/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/NodeArray.java	Wed Jun 08 11:35:18 2011 +0200
+++ b/graal/com.oracle.max.graal.graph/src/com/oracle/max/graal/graph/NodeArray.java	Wed Jun 08 11:59:54 2011 +0200
@@ -44,15 +44,21 @@
     private Node self() {
         return this.node;
     }
+    
+    Node silentSet(int index, Node node) {
+        Node result = nodes[index];
+        nodes[index] = node;
+        return result;
+    }
 
     @Override
     public Node set(int index, Node node) {
-        assert node == Node.Null || node.graph == self().graph : "node is from different graph: (this=" + this + ") and (node=" + node + ")";
+        assert node == Node.Null || node.graph == self().graph : "node is from different graph: (this=" + self() + ") and (node=" + node + ")";
         assert node == Node.Null || node.id() != Node.DeletedID : "inserted node must not be deleted";
         Node old = nodes[index];
 
         if (old != node) {
-            nodes[index] = node;
+            silentSet(index, node);
             if (self().inputs == this) {
                 if (old != null) {
                     old.usages.remove(self());
@@ -107,6 +113,10 @@
         }
         return false;
     }
+    
+    public int remove(Node n) {
+        return replace(n, null);
+    }
 
     public int replace(Node toReplace, Node replacement) {
         int result = 0;
@@ -118,6 +128,21 @@
         }
         return result;
     }
+    
+    int silentRemove(Node n) {
+        return silentReplace(n, null);
+    }
+
+    int silentReplace(Node toReplace, Node replacement) {
+        int result = 0;
+        for (int i = 0; i < nodes.length; i++) {
+            if (nodes[i] == toReplace) {
+                silentSet(i, replacement);
+                result++;
+            }
+        }
+        return result;
+    }
 
     public void setAndClear(int index, Node clearedNode, int clearedIndex) {
         assert self().successors == this;