Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java @ 19141:67d9e635102f
Truffle/Instrumentation: refine checks for safe node replacement
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 03 Feb 2015 11:48:25 -0800 |
parents | c7e57dffc5ad |
children | 128586040207 |
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--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java Tue Feb 03 18:30:07 2015 +0100 +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java Tue Feb 03 11:48:25 2015 -0800 @@ -290,26 +290,10 @@ } /** - * Checks if this node is properly adopted by its parent. - * - * @return {@code true} if it is structurally safe to replace this node. - */ - public final boolean isReplaceable() { - if (getParent() != null) { - for (Node sibling : getParent().getChildren()) { - if (sibling == this) { - return true; - } - } - } - return false; - } - - /** - * Checks if this node can be replaced by another node, both structurally and with type safety. + * Checks if this node can be replaced by another node: tree structure & type. */ public final boolean isSafelyReplaceableBy(Node newNode) { - return isReplaceable() && NodeUtil.isReplacementSafe(getParent(), this, newNode); + return NodeUtil.isReplacementSafe(getParent(), this, newNode); } private void reportReplace(Node oldNode, Node newNode, CharSequence reason) {