From 1e527b16b28f31b08cbb36b7b1bf2d689487a989 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sun, 20 Sep 2026 17:46:47 -0700
Subject: Split self-conflict phis once at a loop head

if this works, saves a copy-per-loop.  If it fails, next round split as normal
---
 chapter24/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'chapter24/Makefile')

diff --git a/chapter24/Makefile b/chapter24/Makefile
index 55d5e70a..ec672d7f 100644
--- a/chapter24/Makefile
+++ b/chapter24/Makefile
@@ -178,3 +178,9 @@ lib/hamcrest-core-1.3.jar:
 tags:	$(main_javas) $(test_javas)
 	@rm -f TAGS
 	@$(CTAGS) -e --recurse=yes --extra=+q --fields=+fksaiS $(SRC) $(TST)
+
+spill-stats: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag
+	@[ -d build/objs ] || mkdir -p build/objs
+	@$(JVM) com.seaofnodes.simple.SpillStats
+
+.PHONY: spill-stats
-- 
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