8005976: Break out AccessSpecializer into one pass before CodeGenerator instead of iterative applications from CodeGenerator

Summary: Now scope and slot information is guaranteed to be fixed AND NOT CHANGE before CodeGeneration. We want to keep it that way to build future type specializations and bring all type work out of CodeGenerator.
Reviewed-by: attila, hannesw

2 files changed, 57 insertions, 4 deletions

diff --git a/bin/dump_octane_code.sh b/bin/dump_octane_code.sh
new file mode 100644
index 00000000..d24ab2ce
--- /dev/null
+++ b/bin/dump_octane_code.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+# Copyright (c) 2010, 2013, 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
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+# 
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+# 
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+# 
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+#
+# The purpose of this script is to provide a large amount of IR/bytecode from a known
+# application to be diffed against the same output with a different Nashorn version.
+# That way we can quickly detect if a seemingly minute change modifies a lot of code,
+# which it most likely shouldn't. One example of this was when AccessSpecializer was
+# moved into Lower the first time, it worked fine, but as a lot of Scope information
+# at the time was finalized further down the code pipeline it did a lot fewer callsite
+# specializations. This would have been immediately detected with a before and after 
+# diff using the output from this script.
+#
+
+ITERS=$1
+if [ -z $ITERS ]; then 
+    ITERS=7
+fi
+NASHORN_JAR=dist/nashorn.jar
+JVM_FLAGS="-ea -esa -server -jar ${NASHORN_JAR}"
+
+BENCHMARKS=( "box2d.js" "code-load.js" "crypto.js" "deltablue.js" "earley-boyer.js" "gbemu.js" "mandreel.js" "navier-stokes.js" "pdfjs.js" "raytrace.js" "regexp.js" "richards.js" "splay.js" )
+
+for BENCHMARK in "${BENCHMARKS[@]}"
+do     
+    echo "START: ${BENCHMARK}"
+    CMD="${JAVA_HOME}/bin/java ${JVM_FLAGS} -co --print-lower-parse test/script/external/octane/${BENCHMARK}"
+    $CMD
+    echo "END: ${BENCHMARK}"
+    echo ""
+done
+
+echo "Done"
diff --git a/bin/verbose_octane.sh b/bin/verbose_octane.sh
index 3e453adb..e70e9d48 100644
--- a/bin/verbose_octane.sh
+++ b/bin/verbose_octane.sh
@@ -26,18 +26,18 @@ if [ -z $ITERS ]; then
     ITERS=7
 fi
 NASHORN_JAR=dist/nashorn.jar
-JVM_FLAGS="-XX:+UnlockDiagnosticVMOptions -Dnashorn.unstable.relink.threshold=8 -Xms2G -Xmx2G -XX:-TieredCompilation -server -jar ${NASHORN_JAR}"
+JVM_FLAGS="-XX:+UnlockDiagnosticVMOptions -Dnashorn.unstable.relink.threshold=8 -Xms2G -Xmx2G -XX:+TieredCompilation -server -jar ${NASHORN_JAR}"
 JVM_FLAGS7="-Xbootclasspath/p:${NASHORN_JAR} ${JVM_FLAGS}"
 OCTANE_ARGS="--verbose --iterations ${ITERS}"
 
-BENCHMARKS=( "box2d.js" "code-load.js" "crypto.js" "deltablue.js" "earley-boyer.js" "gbemu.js" "navier-stokes.js" "raytrace.js" "regexp.js" "richards.js" "splay.js" )
+BENCHMARKS=( "box2d.js" "code-load.js" "crypto.js" "deltablue.js" "earley-boyer.js" "gbemu.js" "navier-stokes.js" "pdfjs.js" "raytrace.js" "regexp.js" "richards.js" "splay.js" )
 # TODO mandreel.js has metaspace issues
 
 if [ ! -z $JAVA7_HOME ]; then	
     echo "running ${ITERS} iterations with java7 using JAVA_HOME=${JAVA7_HOME}..."
     for BENCHMARK in "${BENCHMARKS[@]}"
     do 
-	CMD="${JAVA8_HOME}/bin/java ${JVM_FLAGS} test/script/basic/run-octane.js -- test/script/external/octane/${BENCHMARK} ${OCTANE_ARGS}"
+	CMD="${JAVA7_HOME}/bin/java ${JVM_FLAGS} test/script/basic/run-octane.js -- test/script/external/octane/${BENCHMARK} ${OCTANE_ARGS}"
 	$CMD
     done
 else
@@ -52,7 +52,7 @@ if [ ! -z $JAVA8_HOME ]; then
 	$CMD
     done
 else 
-    echo "no JAVA8_HOME set"
+    echo "no JAVA8_HOME set."
 fi
 
 echo "Done"