git: openjdk/jdk: 8310220: IGV: dump graph after each IGVN step at level 4

Mon Sep 4 07:43:26 UTC 2023

Changeset: 0d52c82e
Author:    Roberto Castañeda Lozano <rcastanedalo at openjdk.org>
Date:      2023-09-04 07:41:41 +0000
URL:       https://git.openjdk.org/jdk/commit/0d52c82ed1fa6ecf5b431949c803abc8423336cb

8310220: IGV: dump graph after each IGVN step at level 4

Reviewed-by: chagedorn, tholenstein

! src/hotspot/share/opto/c2_globals.hpp
! src/hotspot/share/opto/output.cpp
! src/hotspot/share/opto/parse2.cpp
! src/hotspot/share/opto/phaseX.cpp
! src/hotspot/share/opto/phasetype.hpp
! src/utils/IdealGraphVisualizer/README.md
! test/hotspot/jtreg/compiler/lib/ir_framework/CompilePhase.java