8325277: [21u] Backout test change of JDK-8291809

Reviewed-by: phh

Author: SendaoYan

test/hotspot/jtreg/compiler/c2/cr7200264/TestDriver.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2016, 2020, 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.
+ */
+
+package compiler.c2.cr7200264;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import jdk.test.lib.Asserts;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class TestDriver {
+    private final Map<String, Long> expectedVectorizationNumbers
+            = new HashMap<>();
+
+    public void addExpectedVectorization(String v, long num) {
+        expectedVectorizationNumbers.put(v, num);
+    }
+
+    public void run() throws Throwable {
+        verifyVectorizationNumber(executeApplication());
+    }
+
+    private List<String> executeApplication() throws Throwable {
+        OutputAnalyzer outputAnalyzer = ProcessTools.executeTestJava(
+            "-Xbatch",
+            "-XX:-TieredCompilation",
+            "-XX:+PrintCompilation",
+            "-XX:+TraceNewVectors",
+            "-XX:+IgnoreUnrecognizedVMOptions",
+            "-XX:StressLongCountedLoop=0", // make sure int loops do not get converted to long
+            TestIntVect.class.getName());
+        outputAnalyzer.shouldHaveExitValue(0);
+        return outputAnalyzer.asLines();
+    }
+
+    private void verifyVectorizationNumber(List<String> vectorizationLog) {
+        for (Map.Entry<String, Long> entry : expectedVectorizationNumbers.entrySet()) {
+            String v = entry.getKey();
+            long actualNum = vectorizationLog.stream()
+                    .filter(s -> s.contains(v)).count();
+            long expectedNum = entry.getValue();
+            Asserts.assertGTE(actualNum, expectedNum,
+                              "Unexpected " + entry.getKey() + " number");
+        }
+    }
+}