Mercurial > hg > truffle
diff src/share/vm/opto/node.hpp @ 119:d1a5218d7eaf
6686791: Side effect in NumberFormat tests with -server -Xcomp
Summary: Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control().
Reviewed-by: jrose, sgoldman
author | kvn |
---|---|
date | Wed, 16 Apr 2008 19:19:48 -0700 |
parents | ba764ed4b6f2 |
children | ec73d88d5b43 72f4a668df19 |
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--- a/src/share/vm/opto/node.hpp Wed Apr 16 14:55:36 2008 -0700 +++ b/src/share/vm/opto/node.hpp Wed Apr 16 19:19:48 2008 -0700 @@ -817,6 +817,12 @@ // for the transformations to happen. bool has_special_unique_user() const; + // Skip Proj and CatchProj nodes chains. Check for Null and Top. + Node* find_exact_control(Node* ctrl); + + // Check if 'this' node dominates or equal to 'sub'. + bool dominates(Node* sub, Node_List &nlist); + protected: bool remove_dead_region(PhaseGVN *phase, bool can_reshape); public: