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comparison graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java @ 19543:353669a84287

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Utilities Node#acceptInputs and Node#acceptSuccessors.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 22 Feb 2015 23:44:37 +0100
parents f98e2f0c35d8
children 10a0f4aef97c
comparison
equal deleted inserted replaced
19542:f98e2f0c35d8 19543:353669a84287
47 assert node.isAlive(); 47 assert node.isAlive();
48 if (node instanceof AbstractEndNode) { 48 if (node instanceof AbstractEndNode) {
49 // We reached a control flow end. 49 // We reached a control flow end.
50 AbstractEndNode end = (AbstractEndNode) node; 50 AbstractEndNode end = (AbstractEndNode) node;
51 killEnd(end, tool); 51 killEnd(end, tool);
52 } else { 52 } else if (node instanceof FixedNode) {
53 // Normal control flow node. 53 // Normal control flow node.
54 /* 54 /*
55 * We do not take a successor snapshot because this iterator supports concurrent 55 * We do not take a successor snapshot because this iterator supports concurrent
56 * modifications as long as they do not change the size of the successor list. Not 56 * modifications as long as they do not change the size of the successor list. Not
57 * taking a snapshot allows us to see modifications to other branches that may happen 57 * taking a snapshot allows us to see modifications to other branches that may happen
114 114
115 public static void propagateKill(Node node) { 115 public static void propagateKill(Node node) {
116 if (node != null && node.isAlive()) { 116 if (node != null && node.isAlive()) {
117 node.unsafeDelete(); 117 node.unsafeDelete();
118 118
119 for (Node in : node.inputs()) { 119 node.acceptInputs(in -> {
120 if (in.isAlive() && in.hasNoUsages() && !(in instanceof FixedNode)) { 120 if (in.isAlive() && in.hasNoUsages() && !(in instanceof FixedNode)) {
121 killWithUnusedFloatingInputs(in); 121 killWithUnusedFloatingInputs(in);
122 } 122 }
123 } 123 });
124 124
125 ArrayList<Node> usageToKill = null; 125 ArrayList<Node> usageToKill = null;
126 for (Node usage : node.usages()) { 126 for (Node usage : node.usages()) {
127 if (usage.isAlive() && !(usage instanceof FixedNode)) { 127 if (usage.isAlive() && !(usage instanceof FixedNode)) {
128 if (usageToKill == null) { 128 if (usageToKill == null) {