JDK-8146629 : Make phase->is_IterGVN() accessible from Node::Identity and Node::Value
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 9
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2016-01-07
  • Updated: 2016-02-11
  • Resolved: 2016-01-12
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JDK 9
9 b105Fixed
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Blocks :  
Description
Currently, there is no way to determine in Node::Identity() and Node::Value() if we were called from GVN or IGVN but sometimes we would like to do optimizations based on this information (for example, see discussion in RFR for JDK-8136469 [1])

[1] http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2016-January/020670.html