JDK-8211759 : C2: Graph after optimizations should not have dead nodes
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 12
  • Priority: P3
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2018-10-05
  • Updated: 2019-12-05
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tbdUnresolved
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Description
Final graph reshape uses subsume_by() + disconnect_inputs(). That could leave dead nodes in which need to be removed. See:

http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2018-September/030622.html
Comments
ILW = similar to 8210389 = HLM = P3
08-10-2018