git: openjdk/jdk: 8287284: C2: loop optimization performs split_thru_phi infinitely many times

Wed Nov 15 08:32:48 UTC 2023

Changeset: 4c1540ba
Author:    Tobias Holenstein <tholenstein at openjdk.org>
Date:      2023-11-15 08:31:39 +0000
URL:       https://git.openjdk.org/jdk/commit/4c1540baa61e65fc20451a2d9de09b23fb7baf64

8287284: C2: loop optimization performs split_thru_phi infinitely many times

Reviewed-by: thartmann, epeter, chagedorn, roland

! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestSplitThruPhiInfinitely.java