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8353842: C2: Add graph dumps before and after loop opts phase

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Reviewed-by: chagedorn, epeter
This commit is contained in:
Manuel Hässig 2025-04-10 07:24:45 +00:00 committed by Christian Hagedorn
parent bcac42aabc
commit 4f80437ee0
3 changed files with 13 additions and 2 deletions
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7
src/hotspot/share/opto/compile.cpp
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@ -1857,6 +1857,9 @@ void Compile::process_for_post_loop_opts_igvn(PhaseIterGVN& igvn) {
// at least to this point, even if no loop optimizations were done.
PhaseIdealLoop::verify(igvn);
if (has_loops() || _loop_opts_cnt > 0) {
print_method(PHASE_AFTER_LOOP_OPTS, 2);
}
C->set_post_loop_opts_phase(); // no more loop opts allowed
assert(!C->major_progress(), "not cleared");
@ -2377,6 +2380,10 @@ void Compile::Optimize() {
if (failing()) return;
if (has_loops()) {
print_method(PHASE_BEFORE_LOOP_OPTS, 2);
}
// Perform escape analysis
if (do_escape_analysis() && ConnectionGraph::has_candidates(this)) {
if (has_loops()) {

4
src/hotspot/share/opto/phasetype.hpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -48,6 +48,7 @@
flags(ELIMINATE_VBOX_ALLOC, "Eliminate VectorBoxAllocate") \
flags(ITER_GVN_BEFORE_EA, "Iter GVN before EA") \
flags(ITER_GVN_AFTER_VECTOR, "Iter GVN after vector box elimination") \
flags(BEFORE_LOOP_OPTS, "Before Loop Optimizations") \
flags(BEFORE_BEAUTIFY_LOOPS, "Before beautify loops") \
flags(AFTER_BEAUTIFY_LOOPS, "After beautify loops") \
flags(BEFORE_LOOP_UNROLLING, "Before Loop Unrolling") \
@ -88,6 +89,7 @@
flags(CCP1, "PhaseCCP 1") \
flags(ITER_GVN2, "Iter GVN 2") \
flags(PHASEIDEALLOOP_ITERATIONS, "PhaseIdealLoop iterations") \
flags(AFTER_LOOP_OPTS, "After Loop Optimizations") \
flags(AFTER_MERGE_STORES, "After Merge Stores") \
flags(BEFORE_MACRO_EXPANSION , "Before Macro Expansion") \
flags(AFTER_MACRO_EXPANSION_STEP, "After Macro Expansion Step") \

4
test/hotspot/jtreg/compiler/lib/ir_framework/CompilePhase.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -58,6 +58,7 @@ public enum CompilePhase {
ELIMINATE_VBOX_ALLOC("Eliminate VectorBoxAllocate"),
ITER_GVN_BEFORE_EA("Iter GVN before EA"),
ITER_GVN_AFTER_VECTOR("Iter GVN after vector box elimination"),
BEFORE_LOOP_OPTS("Before Loop Optimizations"),
BEFORE_BEAUTIFY_LOOPS("Before beautify loops"),
AFTER_BEAUTIFY_LOOPS("After beautify loops"),
BEFORE_LOOP_UNROLLING("Before Loop Unrolling"),
@ -95,6 +96,7 @@ public enum CompilePhase {
CCP1("PhaseCCP 1"),
ITER_GVN2("Iter GVN 2"),
PHASEIDEALLOOP_ITERATIONS("PhaseIdealLoop iterations"),
AFTER_LOOP_OPTS("After Loop Optimizations"),
AFTER_MERGE_STORES("After Merge Stores"),
BEFORE_MACRO_EXPANSION("Before Macro Expansion"),
AFTER_MACRO_EXPANSION_STEP("After Macro Expansion Step"),