Add an IR framework testcase

Change-Id: Ifbcc8d233aa27dfe93acef548c7e42721d86376e

Author: Fei Gao

test/hotspot/jtreg/compiler/c2/irTests/TestVectorizeTypeConversion.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2022, Arm Limited. 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.irTests;
+
+import compiler.lib.ir_framework.*;
+import java.util.Random;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.Utils;
+
+/*
+ * @test
+ * @bug 8283091
+ * @summary Auto-vectorization enhancement for type conversion between different data sizes.
+ * @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*avx2.*") | os.arch=="aarch64"
+ * @library /test/lib /
+ * @run driver compiler.c2.irTests.TestVectorizeTypeConversion
+ */
+
+public class TestVectorizeTypeConversion {
+
+    final private static int SIZE = 3000;
+
+    private static double[] doublea = new double[SIZE];
+    private static double[] doubleb = new double[SIZE];
+    private static long[] longa = new long[SIZE];
+    private static long[] longb = new long[SIZE];
+    private static int[] inta = new int[SIZE];
+    private static int[] intb = new int[SIZE];
+    private static float[] floata = new float[SIZE];
+    private static float[] floatb = new float[SIZE];
+
+    public static void main(String[] args) {
+        TestFramework.run();
+    }
+
+    @Test
+    @IR(counts = {IRNode.LOAD_VECTOR, ">0",
+                  IRNode.VECTOR_CAST_I2X, ">0",
+                  IRNode.STORE_VECTOR, ">0"})
+    private static void testConvI2D(double[] d, int[] a) {
+        for(int i = 0; i < d.length; i++) {
+            d[i] = (double) (a[i]);
+        }
+    }
+
+    @Test
+    @IR(counts = {IRNode.LOAD_VECTOR, ">0",
+                  IRNode.VECTOR_CAST_I2X, ">0",
+                  IRNode.VECTOR_CAST_L2X, ">0",
+                  IRNode.STORE_VECTOR, ">0"})
+    private static void testConvI2L(int[] d1, int d2[], long[] a1, long[] a2) {
+        for(int i = 0; i < d1.length; i++) {
+            d1[i] = (int) (a1[i]);
+            a2[i] = (long) (d2[i]);
+        }
+    }
+
+    @Test
+    @IR(counts = {IRNode.LOAD_VECTOR, ">0",
+                  IRNode.VECTOR_CAST_D2X, ">0",
+                  IRNode.VECTOR_CAST_F2X, ">0",
+                  IRNode.STORE_VECTOR, ">0"})
+    private static void testConvF2D(double[] d1, double[] d2, float[] a1, float[] a2) {
+        for(int i = 0; i < d1.length; i++) {
+            d1[i] = (double) (a1[i]);
+            a2[i] = (float) (d2[i]);
+        }
+    }
+
+    @Run(test = {"testConvI2D", "testConvI2L", "testConvF2D"})
+    private void test_runner() {
+        testConvI2D(doublea, inta);
+        testConvI2L(inta, intb, longa, longb);
+        testConvF2D(doublea, doubleb, floata, floatb);
+    }
+}