src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64.test/src/org/graalvm/compiler/core/aarch64/test/AArch64ElideL2ITest.java
changeset 59095 03fbcd06b4c0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64.test/src/org/graalvm/compiler/core/aarch64/test/AArch64ElideL2ITest.java	Thu Nov 14 12:21:00 2019 -0800
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 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 org.graalvm.compiler.core.aarch64.test;
+
+import org.graalvm.compiler.lir.LIRInstruction;
+import org.graalvm.compiler.lir.aarch64.AArch64ArithmeticOp.BinaryConstOp;
+import org.junit.Test;
+
+import java.util.function.Predicate;
+
+public class AArch64ElideL2ITest extends AArch64MatchRuleTest {
+    private static final Predicate<LIRInstruction> predicate = op -> {
+        if (op instanceof BinaryConstOp && op.name().toUpperCase().equals("AND")) {
+            return true;
+        }
+        return false;
+    };
+
+    public int addWithSingleL2I(long m) {
+        return (int) m + 100;
+    }
+
+    @Test
+    public void testAddWithSingleL2I() {
+        test("addWithSingleL2I", 5L);
+        checkLIR("addWithSingleL2I", predicate, 0);
+    }
+
+    public int addWithTwoL2I(long m, long n) {
+        return (int) m + (int) n;
+    }
+
+    @Test
+    public void testAddWithTwoL2I() {
+        test("addWithTwoL2I", 5L, 0x1FFFFFFFFL);
+        checkLIR("addWithTwoL2I", predicate, 0);
+    }
+
+    public int addWithTwoNarrow(long m, long n) {
+        return (int) m + (short) n;
+    }
+
+    @Test
+    public void testAddWithTwoNarrow() {
+        test("addWithTwoNarrow", 0x80000000L, 6L);
+        checkLIR("addWithTwoNarrow", predicate, 1);
+    }
+
+    public int subSingleL2I(int m, long n) {
+        return m - (int) n;
+    }
+
+    @Test
+    public void testSubSingleL2I() {
+        test("subSingleL2I", 13, 40L);
+        checkLIR("subSingleL2I", predicate, 0);
+    }
+
+    public int shiftWithSingleL2I(long m) {
+        return ((int) m) >> 5;
+    }
+
+    @Test
+    public void testShiftWithSingleL2I() {
+        test("shiftWithSingleL2I", 234L);
+        checkLIR("shiftWithSingleL2I", predicate, 0);
+    }
+
+    public int shiftWithTwoL2I(long m, long n) {
+        return (int) m << (int) n;
+    }
+
+    @Test
+    public void testShiftWithTwoL2I() {
+        test("shiftWithTwoL2I", 234L, 3L);
+        checkLIR("shiftWithTwoL2I", predicate, 0);
+    }
+
+    public long shiftLongWithL2I(long a, int m) {
+        return a + ((m & 0xFFFFFFFFL) << (int) a);
+    }
+
+    @Test
+    public void testShiftLongWithL2I() {
+        test("shiftLongWithL2I", 0xFFFFFFFFL, 123);
+        checkLIR("shiftLongWithL2I", predicate, 1);
+    }
+
+    public int logicWithTwoL2I(long m, long n) {
+        return (int) m | (int) n;
+    }
+
+    @Test
+    public void testLogicWithTwoL2I() {
+        test("logicWithTwoL2I", 234L, 3L);
+        checkLIR("logicWithTwoL2I", predicate, 0);
+    }
+
+    public int negateL2I(long m) {
+        return -((int) m);
+    }
+
+    @Test
+    public void testNegateL2I() {
+        test("negateL2I", 0xFFFFFFFFL);
+        checkLIR("negateL2I", predicate, 0);
+    }
+
+    public int notL2I(long m) {
+        return ~((int) m);
+    }
+
+    @Test
+    public void testNotL2I() {
+        test("notL2I", 0xFFFFFFFFL);
+        checkLIR("notL2I", predicate, 0);
+    }
+}