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changeset 11385:e119ba892b45

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Rename StampTest to ObjectStampJoinTest and move IntegerStampTest to com.oracle.graal.nodes.test
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 21 Aug 2013 16:20:53 +0200
parents 5e99a0628192
children 366136516cc6
files graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/IntegerStampTest.java graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/IntegerStampTest.java graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampJoinTest.java graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/StampTest.java
diffstat 4 files changed, 322 insertions(+), 322 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/IntegerStampTest.java	Wed Aug 21 16:17:10 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/*
- * Copyright (c) 2012, 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 com.oracle.graal.compiler.test;
-
-import static org.junit.Assert.*;
-
-import org.junit.*;
-
-import com.oracle.graal.api.meta.*;
-import com.oracle.graal.nodes.*;
-import com.oracle.graal.nodes.type.*;
-
-/**
- * This class tests that integer stamps are created correctly for constants.
- */
-public class IntegerStampTest {
-
-    private StructuredGraph graph;
-
-    @Before
-    public void before() {
-        graph = new StructuredGraph();
-    }
-
-    @Test
-    public void testBooleanConstant() {
-        assertEquals(new IntegerStamp(Kind.Int, 1, 1, 0x1, 0x1), ConstantNode.forBoolean(true, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forBoolean(false, graph).stamp());
-    }
-
-    @Test
-    public void testByteConstant() {
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forByte((byte) 0, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 16, 16, 0x10, 0x10), ConstantNode.forByte((byte) 16, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, -16, -16, 0xf0, 0xf0), ConstantNode.forByte((byte) -16, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 127, 127, 0x7f, 0x7f), ConstantNode.forByte((byte) 127, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, -128, -128, 0x80, 0x80), ConstantNode.forByte((byte) -128, graph).stamp());
-    }
-
-    @Test
-    public void testShortConstant() {
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forShort((short) 0, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 128, 128, 0x80, 0x80), ConstantNode.forShort((short) 128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, -128, -128, 0xff80, 0xff80), ConstantNode.forShort((short) -128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 32767, 32767, 0x7fff, 0x7fff), ConstantNode.forShort((short) 32767, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, -32768, -32768, 0x8000, 0x8000), ConstantNode.forShort((short) -32768, graph).stamp());
-    }
-
-    @Test
-    public void testCharConstant() {
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forChar((char) 0, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 'A', 'A', 'A', 'A'), ConstantNode.forChar('A', graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 128, 128, 0x80, 0x80), ConstantNode.forChar((char) 128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 65535, 65535, 0xffff, 0xffff), ConstantNode.forChar((char) 65535, graph).stamp());
-    }
-
-    @Test
-    public void testIntConstant() {
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forInt(0, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, 128, 128, 0x80, 0x80), ConstantNode.forInt(128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, -128, -128, 0xffffff80L, 0xffffff80L), ConstantNode.forInt(-128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, Integer.MAX_VALUE, Integer.MAX_VALUE, 0x7fffffff, 0x7fffffff), ConstantNode.forInt(Integer.MAX_VALUE, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Int, Integer.MIN_VALUE, Integer.MIN_VALUE, 0x80000000L, 0x80000000L), ConstantNode.forInt(Integer.MIN_VALUE, graph).stamp());
-    }
-
-    @Test
-    public void testLongConstant() {
-        assertEquals(new IntegerStamp(Kind.Long, 0, 0, 0x0, 0x0), ConstantNode.forLong(0, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Long, 128, 128, 0x80, 0x80), ConstantNode.forLong(128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Long, -128, -128, 0xffffffffffffff80L, 0xffffffffffffff80L), ConstantNode.forLong(-128, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Long, Long.MAX_VALUE, Long.MAX_VALUE, 0x7fffffffffffffffL, 0x7fffffffffffffffL), ConstantNode.forLong(Long.MAX_VALUE, graph).stamp());
-        assertEquals(new IntegerStamp(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE, 0x8000000000000000L, 0x8000000000000000L), ConstantNode.forLong(Long.MIN_VALUE, graph).stamp());
-    }
-
-    @Test
-    public void testPositiveRanges() {
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0, 0), StampFactory.forInteger(Kind.Int, 0, 0));
-        assertEquals(new IntegerStamp(Kind.Int, 0, 1, 0, 1), StampFactory.forInteger(Kind.Int, 0, 1));
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0x123, 0, 0x1ff), StampFactory.forInteger(Kind.Int, 0, 0x123));
-        assertEquals(new IntegerStamp(Kind.Int, 0x120, 0x123, 0x120, 0x123), StampFactory.forInteger(Kind.Int, 0x120, 0x123));
-        assertEquals(new IntegerStamp(Kind.Int, 10000, 15000, 0x2000, 0x3fff), StampFactory.forInteger(Kind.Int, 10000, 15000));
-        assertEquals(new IntegerStamp(Kind.Long, 0, 1, 0, 1), StampFactory.forInteger(Kind.Long, 0, 1));
-        assertEquals(new IntegerStamp(Kind.Long, 10000, 15000, 0x2000, 0x3fff), StampFactory.forInteger(Kind.Long, 10000, 15000));
-        assertEquals(new IntegerStamp(Kind.Long, 140000000000L, 150000000000L, 0x2000000000L, 0x23ffffffffL), StampFactory.forInteger(Kind.Long, 140000000000L, 150000000000L));
-    }
-
-    @Test
-    public void testNegativeRanges() {
-        assertEquals(new IntegerStamp(Kind.Int, -2, -1, 0xfffffffeL, 0xffffffffL), StampFactory.forInteger(Kind.Int, -2, -1));
-        assertEquals(new IntegerStamp(Kind.Int, -20, -10, 0xffffffe0L, 0xffffffffL), StampFactory.forInteger(Kind.Int, -20, -10));
-        assertEquals(new IntegerStamp(Kind.Int, -10000, 0, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, 0));
-        assertEquals(new IntegerStamp(Kind.Int, -10000, -1, 0xffffc000L, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, -1));
-        assertEquals(new IntegerStamp(Kind.Int, -10010, -10000, 0xffffd8e0L, 0xffffd8ffL), StampFactory.forInteger(Kind.Int, -10010, -10000));
-        assertEquals(new IntegerStamp(Kind.Long, -2, -1, 0xfffffffffffffffeL, 0xffffffffffffffffL), StampFactory.forInteger(Kind.Long, -2, -1));
-        assertEquals(new IntegerStamp(Kind.Long, -10010, -10000, 0xffffffffffffd8e0L, 0xffffffffffffd8ffL), StampFactory.forInteger(Kind.Long, -10010, -10000));
-        assertEquals(new IntegerStamp(Kind.Long, -150000000000L, -140000000000L, 0xffffffdc00000000L, 0xffffffdfffffffffL), StampFactory.forInteger(Kind.Long, -150000000000L, -140000000000L));
-    }
-
-    @Test
-    public void testMixedRanges() {
-        assertEquals(new IntegerStamp(Kind.Int, -1, 0, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -1, 0));
-        assertEquals(new IntegerStamp(Kind.Int, -10000, 1000, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, 1000));
-        assertEquals(new IntegerStamp(Kind.Long, -10000, 1000, 0, 0xffffffffffffffffL), StampFactory.forInteger(Kind.Long, -10000, 1000));
-    }
-
-    @Test
-    public void testNarrowingConversions() {
-        // byte cases
-        assertEquals(StampFactory.forInteger(Kind.Int, 0, 0), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 0, 0)));
-        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 0, 10)));
-        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 10, 20)));
-        assertEquals(StampFactory.forInteger(Kind.Int, -10, 0), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -10, 0)));
-        assertEquals(StampFactory.forInteger(Kind.Int, -20, -10), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -20, -10)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 100, 200)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -100, 200)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -200, -100)));
-        // char cases
-        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.intToChar(StampFactory.forInteger(Kind.Int, 0, 10)));
-        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.intToChar(StampFactory.forInteger(Kind.Int, 10, 20)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.intToChar(StampFactory.forInteger(Kind.Int, 20000, 80000)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.intToChar(StampFactory.forInteger(Kind.Int, -10000, 40000)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.intToChar(StampFactory.forInteger(Kind.Int, -40000, -10000)));
-        // short cases
-        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.intToShort(StampFactory.forInteger(Kind.Int, 0, 10)));
-        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.intToShort(StampFactory.forInteger(Kind.Int, 10, 20)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.intToShort(StampFactory.forInteger(Kind.Int, 20000, 40000)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.intToShort(StampFactory.forInteger(Kind.Int, -10000, 40000)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.intToShort(StampFactory.forInteger(Kind.Int, -40000, -10000)));
-        // int cases
-        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.longToInt(StampFactory.forInteger(Kind.Long, 0, 10)));
-        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.longToInt(StampFactory.forInteger(Kind.Long, 10, 20)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), StampTool.longToInt(StampFactory.forInteger(Kind.Long, 20000000000L, 40000000000L)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), StampTool.longToInt(StampFactory.forInteger(Kind.Long, -10000000000L, 40000000000L)));
-        assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), StampTool.longToInt(StampFactory.forInteger(Kind.Long, -40000000000L, -10000000000L)));
-    }
-
-    @Test
-    public void testXor() {
-        assertEquals(new IntegerStamp(Kind.Int, 0, 0xff, 0, 0xff), StampTool.xor(new IntegerStamp(Kind.Int, 0, 0, 0, 0), new IntegerStamp(Kind.Int, 0, 0xff, 0, 0xff)));
-        assertEquals(new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f), StampTool.xor(new IntegerStamp(Kind.Int, 0, 0, 0, 0), new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f)));
-        assertEquals(new IntegerStamp(Kind.Int, 0x0, 0xf, 0x0, 0xf), StampTool.xor(new IntegerStamp(Kind.Int, 0x10, 0x10, 0x10, 0x10), new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f)));
-        assertEquals(new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f), StampTool.xor(new IntegerStamp(Kind.Int, 0x10, 0x10, 0x10, 0x10), new IntegerStamp(Kind.Int, 0x0, 0xf, 0x0, 0xf)));
-    }
-
-    @Test
-    public void testNot() {
-        assertEquals(new IntegerStamp(Kind.Int, -11, -1, 0xfffffff0L, 0xffffffffL), StampTool.not(new IntegerStamp(Kind.Int, 0, 10, 0, 0xf)));
-    }
-
-    @Test
-    public void testAdd() {
-        assertEquals(StampFactory.forInteger(Kind.Int, 0, 30), StampTool.add(StampFactory.forInteger(Kind.Int, 0, 10), StampFactory.forInteger(Kind.Int, 0, 20)));
-        assertEquals(StampFactory.forKind(Kind.Long),
-                        StampTool.add(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE + 1), StampFactory.forInteger(Kind.Long, Integer.MIN_VALUE, Integer.MAX_VALUE)));
-        assertEquals(StampFactory.forInteger(Kind.Int, -2147483647, 31 - 2147483647),
-                        StampTool.add(StampFactory.forInteger(Kind.Int, 0, 31), StampFactory.forInteger(Kind.Int, -2147483647, -2147483647)));
-    }
-
-    @Test
-    public void testAnd() {
-        assertEquals(new IntegerStamp(Kind.Int, Integer.MIN_VALUE, 0x40000000L, 0, 0xc0000000L), StampTool.and(StampFactory.forKind(Kind.Int), StampFactory.forConstant(Constant.forInt(0xc0000000))));
-    }
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/IntegerStampTest.java	Wed Aug 21 16:20:53 2013 +0200
@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2012, 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 com.oracle.graal.nodes.test;
+
+import static org.junit.Assert.*;
+
+import org.junit.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.type.*;
+
+/**
+ * This class tests that integer stamps are created correctly for constants.
+ */
+public class IntegerStampTest {
+
+    private StructuredGraph graph;
+
+    @Before
+    public void before() {
+        graph = new StructuredGraph();
+    }
+
+    @Test
+    public void testBooleanConstant() {
+        assertEquals(new IntegerStamp(Kind.Int, 1, 1, 0x1, 0x1), ConstantNode.forBoolean(true, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forBoolean(false, graph).stamp());
+    }
+
+    @Test
+    public void testByteConstant() {
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forByte((byte) 0, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 16, 16, 0x10, 0x10), ConstantNode.forByte((byte) 16, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, -16, -16, 0xf0, 0xf0), ConstantNode.forByte((byte) -16, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 127, 127, 0x7f, 0x7f), ConstantNode.forByte((byte) 127, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, -128, -128, 0x80, 0x80), ConstantNode.forByte((byte) -128, graph).stamp());
+    }
+
+    @Test
+    public void testShortConstant() {
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forShort((short) 0, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 128, 128, 0x80, 0x80), ConstantNode.forShort((short) 128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, -128, -128, 0xff80, 0xff80), ConstantNode.forShort((short) -128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 32767, 32767, 0x7fff, 0x7fff), ConstantNode.forShort((short) 32767, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, -32768, -32768, 0x8000, 0x8000), ConstantNode.forShort((short) -32768, graph).stamp());
+    }
+
+    @Test
+    public void testCharConstant() {
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forChar((char) 0, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 'A', 'A', 'A', 'A'), ConstantNode.forChar('A', graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 128, 128, 0x80, 0x80), ConstantNode.forChar((char) 128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 65535, 65535, 0xffff, 0xffff), ConstantNode.forChar((char) 65535, graph).stamp());
+    }
+
+    @Test
+    public void testIntConstant() {
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0x0, 0x0), ConstantNode.forInt(0, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, 128, 128, 0x80, 0x80), ConstantNode.forInt(128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, -128, -128, 0xffffff80L, 0xffffff80L), ConstantNode.forInt(-128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, Integer.MAX_VALUE, Integer.MAX_VALUE, 0x7fffffff, 0x7fffffff), ConstantNode.forInt(Integer.MAX_VALUE, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Int, Integer.MIN_VALUE, Integer.MIN_VALUE, 0x80000000L, 0x80000000L), ConstantNode.forInt(Integer.MIN_VALUE, graph).stamp());
+    }
+
+    @Test
+    public void testLongConstant() {
+        assertEquals(new IntegerStamp(Kind.Long, 0, 0, 0x0, 0x0), ConstantNode.forLong(0, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Long, 128, 128, 0x80, 0x80), ConstantNode.forLong(128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Long, -128, -128, 0xffffffffffffff80L, 0xffffffffffffff80L), ConstantNode.forLong(-128, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Long, Long.MAX_VALUE, Long.MAX_VALUE, 0x7fffffffffffffffL, 0x7fffffffffffffffL), ConstantNode.forLong(Long.MAX_VALUE, graph).stamp());
+        assertEquals(new IntegerStamp(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE, 0x8000000000000000L, 0x8000000000000000L), ConstantNode.forLong(Long.MIN_VALUE, graph).stamp());
+    }
+
+    @Test
+    public void testPositiveRanges() {
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0, 0, 0), StampFactory.forInteger(Kind.Int, 0, 0));
+        assertEquals(new IntegerStamp(Kind.Int, 0, 1, 0, 1), StampFactory.forInteger(Kind.Int, 0, 1));
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0x123, 0, 0x1ff), StampFactory.forInteger(Kind.Int, 0, 0x123));
+        assertEquals(new IntegerStamp(Kind.Int, 0x120, 0x123, 0x120, 0x123), StampFactory.forInteger(Kind.Int, 0x120, 0x123));
+        assertEquals(new IntegerStamp(Kind.Int, 10000, 15000, 0x2000, 0x3fff), StampFactory.forInteger(Kind.Int, 10000, 15000));
+        assertEquals(new IntegerStamp(Kind.Long, 0, 1, 0, 1), StampFactory.forInteger(Kind.Long, 0, 1));
+        assertEquals(new IntegerStamp(Kind.Long, 10000, 15000, 0x2000, 0x3fff), StampFactory.forInteger(Kind.Long, 10000, 15000));
+        assertEquals(new IntegerStamp(Kind.Long, 140000000000L, 150000000000L, 0x2000000000L, 0x23ffffffffL), StampFactory.forInteger(Kind.Long, 140000000000L, 150000000000L));
+    }
+
+    @Test
+    public void testNegativeRanges() {
+        assertEquals(new IntegerStamp(Kind.Int, -2, -1, 0xfffffffeL, 0xffffffffL), StampFactory.forInteger(Kind.Int, -2, -1));
+        assertEquals(new IntegerStamp(Kind.Int, -20, -10, 0xffffffe0L, 0xffffffffL), StampFactory.forInteger(Kind.Int, -20, -10));
+        assertEquals(new IntegerStamp(Kind.Int, -10000, 0, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, 0));
+        assertEquals(new IntegerStamp(Kind.Int, -10000, -1, 0xffffc000L, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, -1));
+        assertEquals(new IntegerStamp(Kind.Int, -10010, -10000, 0xffffd8e0L, 0xffffd8ffL), StampFactory.forInteger(Kind.Int, -10010, -10000));
+        assertEquals(new IntegerStamp(Kind.Long, -2, -1, 0xfffffffffffffffeL, 0xffffffffffffffffL), StampFactory.forInteger(Kind.Long, -2, -1));
+        assertEquals(new IntegerStamp(Kind.Long, -10010, -10000, 0xffffffffffffd8e0L, 0xffffffffffffd8ffL), StampFactory.forInteger(Kind.Long, -10010, -10000));
+        assertEquals(new IntegerStamp(Kind.Long, -150000000000L, -140000000000L, 0xffffffdc00000000L, 0xffffffdfffffffffL), StampFactory.forInteger(Kind.Long, -150000000000L, -140000000000L));
+    }
+
+    @Test
+    public void testMixedRanges() {
+        assertEquals(new IntegerStamp(Kind.Int, -1, 0, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -1, 0));
+        assertEquals(new IntegerStamp(Kind.Int, -10000, 1000, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, 1000));
+        assertEquals(new IntegerStamp(Kind.Long, -10000, 1000, 0, 0xffffffffffffffffL), StampFactory.forInteger(Kind.Long, -10000, 1000));
+    }
+
+    @Test
+    public void testNarrowingConversions() {
+        // byte cases
+        assertEquals(StampFactory.forInteger(Kind.Int, 0, 0), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 0, 0)));
+        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 0, 10)));
+        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 10, 20)));
+        assertEquals(StampFactory.forInteger(Kind.Int, -10, 0), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -10, 0)));
+        assertEquals(StampFactory.forInteger(Kind.Int, -20, -10), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -20, -10)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.intToByte(StampFactory.forInteger(Kind.Int, 100, 200)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -100, 200)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.intToByte(StampFactory.forInteger(Kind.Int, -200, -100)));
+        // char cases
+        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.intToChar(StampFactory.forInteger(Kind.Int, 0, 10)));
+        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.intToChar(StampFactory.forInteger(Kind.Int, 10, 20)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.intToChar(StampFactory.forInteger(Kind.Int, 20000, 80000)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.intToChar(StampFactory.forInteger(Kind.Int, -10000, 40000)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.intToChar(StampFactory.forInteger(Kind.Int, -40000, -10000)));
+        // short cases
+        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.intToShort(StampFactory.forInteger(Kind.Int, 0, 10)));
+        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.intToShort(StampFactory.forInteger(Kind.Int, 10, 20)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.intToShort(StampFactory.forInteger(Kind.Int, 20000, 40000)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.intToShort(StampFactory.forInteger(Kind.Int, -10000, 40000)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.intToShort(StampFactory.forInteger(Kind.Int, -40000, -10000)));
+        // int cases
+        assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.longToInt(StampFactory.forInteger(Kind.Long, 0, 10)));
+        assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.longToInt(StampFactory.forInteger(Kind.Long, 10, 20)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), StampTool.longToInt(StampFactory.forInteger(Kind.Long, 20000000000L, 40000000000L)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), StampTool.longToInt(StampFactory.forInteger(Kind.Long, -10000000000L, 40000000000L)));
+        assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), StampTool.longToInt(StampFactory.forInteger(Kind.Long, -40000000000L, -10000000000L)));
+    }
+
+    @Test
+    public void testXor() {
+        assertEquals(new IntegerStamp(Kind.Int, 0, 0xff, 0, 0xff), StampTool.xor(new IntegerStamp(Kind.Int, 0, 0, 0, 0), new IntegerStamp(Kind.Int, 0, 0xff, 0, 0xff)));
+        assertEquals(new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f), StampTool.xor(new IntegerStamp(Kind.Int, 0, 0, 0, 0), new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f)));
+        assertEquals(new IntegerStamp(Kind.Int, 0x0, 0xf, 0x0, 0xf), StampTool.xor(new IntegerStamp(Kind.Int, 0x10, 0x10, 0x10, 0x10), new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f)));
+        assertEquals(new IntegerStamp(Kind.Int, 0x10, 0x1f, 0x10, 0x1f), StampTool.xor(new IntegerStamp(Kind.Int, 0x10, 0x10, 0x10, 0x10), new IntegerStamp(Kind.Int, 0x0, 0xf, 0x0, 0xf)));
+    }
+
+    @Test
+    public void testNot() {
+        assertEquals(new IntegerStamp(Kind.Int, -11, -1, 0xfffffff0L, 0xffffffffL), StampTool.not(new IntegerStamp(Kind.Int, 0, 10, 0, 0xf)));
+    }
+
+    @Test
+    public void testAdd() {
+        assertEquals(StampFactory.forInteger(Kind.Int, 0, 30), StampTool.add(StampFactory.forInteger(Kind.Int, 0, 10), StampFactory.forInteger(Kind.Int, 0, 20)));
+        assertEquals(StampFactory.forKind(Kind.Long),
+                        StampTool.add(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE + 1), StampFactory.forInteger(Kind.Long, Integer.MIN_VALUE, Integer.MAX_VALUE)));
+        assertEquals(StampFactory.forInteger(Kind.Int, -2147483647, 31 - 2147483647),
+                        StampTool.add(StampFactory.forInteger(Kind.Int, 0, 31), StampFactory.forInteger(Kind.Int, -2147483647, -2147483647)));
+    }
+
+    @Test
+    public void testAnd() {
+        assertEquals(new IntegerStamp(Kind.Int, Integer.MIN_VALUE, 0x40000000L, 0, 0xc0000000L), StampTool.and(StampFactory.forKind(Kind.Int), StampFactory.forConstant(Constant.forInt(0xc0000000))));
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampJoinTest.java	Wed Aug 21 16:20:53 2013 +0200
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 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.
+ */
+package com.oracle.graal.nodes.test;
+
+import org.junit.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.compiler.test.*;
+import com.oracle.graal.nodes.type.*;
+
+public class ObjectStampJoinTest extends GraalCompilerTest {
+
+    private static class A {
+
+    }
+
+    private static class B extends A {
+
+    }
+
+    private static class C extends B implements I {
+
+    }
+
+    private static class D extends A {
+
+    }
+
+    private interface I {
+
+    }
+
+    @Test
+    public void testJoin0() {
+        Stamp a = StampFactory.declared(getType(A.class));
+        Stamp b = StampFactory.declared(getType(B.class));
+        Assert.assertEquals(b, join(a, b));
+    }
+
+    @Test
+    public void testJoin1() {
+        Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class));
+        Stamp b = StampFactory.declared(getType(B.class));
+        Stamp bNonNull = StampFactory.declaredNonNull(getType(B.class));
+        Assert.assertEquals(bNonNull, join(aNonNull, b));
+    }
+
+    @Test
+    public void testJoin2() {
+        Stamp aExact = StampFactory.exactNonNull(getType(A.class));
+        Stamp b = StampFactory.declared(getType(B.class));
+        Assert.assertEquals(StampFactory.illegal(), join(aExact, b));
+    }
+
+    @Test
+    public void testJoin3() {
+        Stamp d = StampFactory.declared(getType(D.class));
+        Stamp c = StampFactory.declared(getType(C.class));
+        Assert.assertTrue(ObjectStamp.isObjectAlwaysNull(join(c, d)));
+    }
+
+    @Test
+    public void testJoin4() {
+        Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class));
+        Stamp c = StampFactory.declared(getType(C.class));
+        Assert.assertEquals(StampFactory.illegal(), join(c, dExactNonNull));
+    }
+
+    @Test
+    public void testJoin5() {
+        Stamp dExact = StampFactory.exact(getType(D.class));
+        Stamp c = StampFactory.declared(getType(C.class));
+        Assert.assertTrue(ObjectStamp.isObjectAlwaysNull(join(c, dExact)));
+    }
+
+    @Test
+    public void testJoin6() {
+        Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class));
+        Stamp allwaysNull = StampFactory.alwaysNull();
+        Stamp join = join(allwaysNull, dExactNonNull);
+        Assert.assertFalse(ObjectStamp.isObjectNonNull(join));
+        Assert.assertFalse(ObjectStamp.isObjectAlwaysNull(join));
+    }
+
+    @Test
+    public void testJoinInterface0() {
+        Stamp a = StampFactory.declared(getType(A.class));
+        Stamp b = StampFactory.declared(getType(I.class));
+        Assert.assertNotSame(StampFactory.illegal(), join(a, b));
+    }
+
+    @Test
+    public void testJoinInterface1() {
+        Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class));
+        Stamp i = StampFactory.declared(getType(I.class));
+        Stamp join = join(aNonNull, i);
+        Assert.assertTrue(join instanceof ObjectStamp);
+        Assert.assertTrue(((ObjectStamp) join).nonNull());
+    }
+
+    @Test
+    public void testJoinInterface2() {
+        Stamp bExact = StampFactory.exactNonNull(getType(B.class));
+        Stamp i = StampFactory.declared(getType(I.class));
+        Stamp join = join(i, bExact);
+        Assert.assertEquals(StampFactory.illegal(), join);
+    }
+
+    private static Stamp join(Stamp a, Stamp b) {
+        Stamp ab = a.join(b);
+        Stamp ba = b.join(a);
+        Assert.assertEquals(ab, ba);
+        return ab;
+    }
+
+    private ResolvedJavaType getType(Class<?> clazz) {
+        return runtime().lookupJavaType(clazz);
+    }
+}
--- a/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/StampTest.java	Wed Aug 21 16:17:10 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,139 +0,0 @@
-/*
- * Copyright (c) 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.
- */
-package com.oracle.graal.nodes.test;
-
-import org.junit.*;
-
-import com.oracle.graal.api.meta.*;
-import com.oracle.graal.compiler.test.*;
-import com.oracle.graal.nodes.type.*;
-
-public class StampTest extends GraalCompilerTest {
-
-    private static class A {
-
-    }
-
-    private static class B extends A {
-
-    }
-
-    private static class C extends B implements I {
-
-    }
-
-    private static class D extends A {
-
-    }
-
-    private interface I {
-
-    }
-
-    @Test
-    public void testJoin0() {
-        Stamp a = StampFactory.declared(getType(A.class));
-        Stamp b = StampFactory.declared(getType(B.class));
-        Assert.assertEquals(b, join(a, b));
-    }
-
-    @Test
-    public void testJoin1() {
-        Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class));
-        Stamp b = StampFactory.declared(getType(B.class));
-        Stamp bNonNull = StampFactory.declaredNonNull(getType(B.class));
-        Assert.assertEquals(bNonNull, join(aNonNull, b));
-    }
-
-    @Test
-    public void testJoin2() {
-        Stamp aExact = StampFactory.exactNonNull(getType(A.class));
-        Stamp b = StampFactory.declared(getType(B.class));
-        Assert.assertEquals(StampFactory.illegal(), join(aExact, b));
-    }
-
-    @Test
-    public void testJoin3() {
-        Stamp d = StampFactory.declared(getType(D.class));
-        Stamp c = StampFactory.declared(getType(C.class));
-        Assert.assertTrue(ObjectStamp.isObjectAlwaysNull(join(c, d)));
-    }
-
-    @Test
-    public void testJoin4() {
-        Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class));
-        Stamp c = StampFactory.declared(getType(C.class));
-        Assert.assertEquals(StampFactory.illegal(), join(c, dExactNonNull));
-    }
-
-    @Test
-    public void testJoin5() {
-        Stamp dExact = StampFactory.exact(getType(D.class));
-        Stamp c = StampFactory.declared(getType(C.class));
-        Assert.assertTrue(ObjectStamp.isObjectAlwaysNull(join(c, dExact)));
-    }
-
-    @Test
-    public void testJoin6() {
-        Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class));
-        Stamp allwaysNull = StampFactory.alwaysNull();
-        Stamp join = join(allwaysNull, dExactNonNull);
-        Assert.assertFalse(ObjectStamp.isObjectNonNull(join));
-        Assert.assertFalse(ObjectStamp.isObjectAlwaysNull(join));
-    }
-
-    @Test
-    public void testJoinInterface0() {
-        Stamp a = StampFactory.declared(getType(A.class));
-        Stamp b = StampFactory.declared(getType(I.class));
-        Assert.assertNotSame(StampFactory.illegal(), join(a, b));
-    }
-
-    @Test
-    public void testJoinInterface1() {
-        Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class));
-        Stamp i = StampFactory.declared(getType(I.class));
-        Stamp join = join(aNonNull, i);
-        Assert.assertTrue(join instanceof ObjectStamp);
-        Assert.assertTrue(((ObjectStamp) join).nonNull());
-    }
-
-    @Test
-    public void testJoinInterface2() {
-        Stamp bExact = StampFactory.exactNonNull(getType(B.class));
-        Stamp i = StampFactory.declared(getType(I.class));
-        Stamp join = join(i, bExact);
-        Assert.assertEquals(StampFactory.illegal(), join);
-    }
-
-    private static Stamp join(Stamp a, Stamp b) {
-        Stamp ab = a.join(b);
-        Stamp ba = b.join(a);
-        Assert.assertEquals(ab, ba);
-        return ab;
-    }
-
-    private ResolvedJavaType getType(Class<?> clazz) {
-        return runtime().lookupJavaType(clazz);
-    }
-}