git: openjdk/jdk: master: 8351833: Unexpected increase in live nodes when splitting Phis through MergeMems in PhiNode::Ideal

[Daniel Lundén]

Changeset: 24be888d
Branch: master
Author:    Daniel Lundén <dlunden at openjdk.org>
Date:      2025-04-15 08:58:02 +0000
URL:       https://git.openjdk.org/jdk/commit/24be888d655a5227cfb9fc22f36d6ba30d732b8d

8351833: Unexpected increase in live nodes when splitting Phis through MergeMems in PhiNode::Ideal

Reviewed-by: chagedorn, rcastanedalo, kvn

! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/phaseX.cpp
! test/hotspot/jtreg/TEST.groups
+ test/hotspot/jtreg/compiler/igvn/TestSplitPhiThroughMergeMem.java