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changeset 14577:532d9b78c7d4

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assert that only live ValueNodes are added as inputs and successors
author Lukas Stadler <lukas.stadler@oracle.com>
date Tue, 18 Mar 2014 09:57:40 +0100
parents 00d1f5391b2e
children d927132f45a4
files graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Node.java
diffstat 1 files changed, 2 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Node.java	Tue Mar 18 09:56:42 2014 +0100
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Node.java	Tue Mar 18 09:57:40 2014 +0100
@@ -458,6 +458,7 @@
      * newInput: removes this node from oldInput's usages and adds this node to newInput's usages.
      */
     protected void updateUsages(Node oldInput, Node newInput) {
+        assert isAlive() && (newInput == null || newInput.isAlive()) : "adding " + newInput + " to " + this + " instead of " + oldInput;
         if (oldInput != newInput) {
             if (oldInput != null) {
                 if (oldInput.recordsUsages()) {
@@ -482,6 +483,7 @@
      * this node to newSuccessor's predecessors.
      */
     protected void updatePredecessor(Node oldSuccessor, Node newSuccessor) {
+        assert isAlive() && (newSuccessor == null || newSuccessor.isAlive()) : "adding " + newSuccessor + " to " + this + " instead of " + oldSuccessor;
         assert graph == null || !graph.isFrozen();
         if (oldSuccessor != newSuccessor) {
             if (oldSuccessor != null) {