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changeset 5340:4fb83c633fce

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changes to canonicalizer log output
author Lukas Stadler <lukas.stadler@jku.at>
date Wed, 02 May 2012 14:56:07 +0200
parents e8f80481326d
children 1fbc4a08d029
files graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/CanonicalizerPhase.java
diffstat 1 files changed, 6 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/CanonicalizerPhase.java	Wed May 02 14:55:51 2012 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/CanonicalizerPhase.java	Wed May 02 14:56:07 2012 +0200
@@ -70,7 +70,6 @@
             METRIC_PROCESSED_NODES.increment();
             if (node instanceof Canonicalizable) {
                 METRIC_CANONICALIZATION_CONSIDERED_NODES.increment();
-                Debug.log("Canonicalizer: work on %s", node);
                 graph.mark();
                 ValueNode canonical = ((Canonicalizable) node).canonical(tool);
 //     cases:                                           original node:
@@ -85,7 +84,11 @@
 //                          Fixed-connected|   2    |        X        |       6       |
 //                                         --------------------------------------------
 //       X: must not happen (checked with assertions)
-                if (canonical != node) {
+                if (canonical == node) {
+                    Debug.log("Canonicalizer: work on %s", node);
+                } else {
+                    Debug.log("Canonicalizer: replacing %s with %s", node, canonical);
+
                     METRIC_CANONICALIZED_NODES.increment();
                     if (node instanceof FloatingNode) {
                         if (canonical == null) {
@@ -122,6 +125,7 @@
                     nodeWorkList.addAll(graph.getNewNodes());
                 }
             } else if (node instanceof Simplifiable) {
+                Debug.log("Canonicalizer: simplifying %s", node);
                 METRIC_SIMPLIFICATION_CONSIDERED_NODES.increment();
                 ((Simplifiable) node).simplify(tool);
             }