JDK-8341293 : Split field loads through Nested Phis
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Priority: P4
  • Status: New
  • Resolution: Unresolved
  • OS: generic
  • CPU: generic
  • Submitted: 2024-10-01
  • Updated: 2024-10-01
Description
As an extension of the work done as part of https://bugs.openjdk.org/browse/JDK-8287061, https://github.com/openjdk/jdk/pull/12897, split the field loads (AddP -> Load*) with nested phi parent nodes to enable more scalar replacements, thereby reducing memory allocation.