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diff src/share/vm/opto/parse.hpp @ 6131:8f6ce6f1049b

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7170463: C2 should recognize "obj.getClass() == A.class" code pattern Summary: optimize this code pattern obj.getClass() == A.class. Reviewed-by: jrose, kvn Contributed-by: Krystal Mok <sajia@taobao.com>
author kvn
date Fri, 25 May 2012 07:53:11 -0700
parents f6f3bb0ee072
children 1d7922586cf6
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line diff
--- a/src/share/vm/opto/parse.hpp	Thu May 24 18:39:44 2012 -0700
+++ b/src/share/vm/opto/parse.hpp	Fri May 25 07:53:11 2012 -0700
@@ -527,6 +527,9 @@
   int     repush_if_args();
   void    adjust_map_after_if(BoolTest::mask btest, Node* c, float prob,
                               Block* path, Block* other_path);
+  void    sharpen_type_after_if(BoolTest::mask btest,
+                                Node* con, const Type* tcon,
+                                Node* val, const Type* tval);
   IfNode* jump_if_fork_int(Node* a, Node* b, BoolTest::mask mask);
   Node*   jump_if_join(Node* iffalse, Node* iftrue);
   void    jump_if_true_fork(IfNode *ifNode, int dest_bci_if_true, int prof_table_index);