git: openjdk/jdk20u: master: 8303564: C2: "Bad graph detected in build_loop_late" after a CMove is wrongly split thru phi

[Tobias Hartmann]

Changeset: a32006ad
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2023-04-04 13:16:59 +0000
URL:       https://git.openjdk.org/jdk20u/commit/a32006ad144a09d0c81486f67e4bbdc65e668d3a

8303564: C2: "Bad graph detected in build_loop_late" after a CMove is wrongly split thru phi

Backport-of: 5e232cf0a96cf81036a2d9d7814127b7bc9ebab1

! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestWrongCMovSplitIf.java