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diff src/share/vm/opto/phaseX.hpp @ 6144:5e990493719e

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7173340: C2: code cleanup: use PhaseIterGVN::replace_edge(Node*, int, Node*) where applicable Summary: replace frequent C2 optimizer code patterns with new methods calls Reviewed-by: kvn, twisti Contributed-by: vladimir.x.ivanov@oracle.com
author kvn
date Tue, 12 Jun 2012 16:23:31 -0700
parents 35acf8f0a2e4
children 611e8a669a2c 1d7922586cf6
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line diff
--- a/src/share/vm/opto/phaseX.hpp	Tue Jun 12 14:31:44 2012 -0700
+++ b/src/share/vm/opto/phaseX.hpp	Tue Jun 12 16:23:31 2012 -0700
@@ -460,6 +460,25 @@
     subsume_node(old, nn);
   }
 
+  // Delayed node rehash: remove a node from the hash table and rehash it during
+  // next optimizing pass
+  void rehash_node_delayed(Node* n) {
+    hash_delete(n);
+    _worklist.push(n);
+  }
+
+  // Replace ith edge of "n" with "in"
+  void replace_input_of(Node* n, int i, Node* in) {
+    rehash_node_delayed(n);
+    n->set_req(i, in);
+  }
+
+  // Delete ith edge of "n"
+  void delete_input_of(Node* n, int i) {
+    rehash_node_delayed(n);
+    n->del_req(i);
+  }
+
   bool delay_transform() const { return _delay_transform; }
 
   void set_delay_transform(bool delay) {