9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package org.graalvm.compiler.core.test;
24
25 import org.graalvm.compiler.debug.DebugContext;
26 import org.graalvm.compiler.nodes.ReturnNode;
27 import org.graalvm.compiler.nodes.StructuredGraph;
28 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
29 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
30 import org.graalvm.compiler.phases.tiers.PhaseContext;
31 import org.junit.Test;
32
33 public class MergeCanonicalizerTest extends GraalCompilerTest {
34
35 public static int staticField;
36
37 private int field;
38
39 @Test
40 public void testSplitReturn() {
41 test("testSplitReturnSnippet", 2);
42 testReturnCount("testSplitReturnSnippet", 2);
43 }
44
45 public int testSplitReturnSnippet(int b) {
46 int v;
47 if (b < 0) {
48 staticField = 1;
49 v = 10;
50 } else {
51 staticField = 2;
52 v = 20;
53 }
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package org.graalvm.compiler.core.test;
24
25 import org.graalvm.compiler.debug.DebugContext;
26 import org.graalvm.compiler.nodes.ReturnNode;
27 import org.graalvm.compiler.nodes.StructuredGraph;
28 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
29 import org.graalvm.compiler.phases.OptimisticOptimizations;
30 import org.graalvm.compiler.phases.OptimisticOptimizations.Optimization;
31 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
32 import org.graalvm.compiler.phases.tiers.HighTierContext;
33 import org.graalvm.compiler.phases.tiers.PhaseContext;
34 import org.junit.Test;
35
36 public class MergeCanonicalizerTest extends GraalCompilerTest {
37
38 /**
39 * These tests assume all code paths are reachable so disable profile based dead code removal.
40 */
41 @Override
42 protected HighTierContext getDefaultHighTierContext() {
43 return new HighTierContext(getProviders(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL.remove(Optimization.RemoveNeverExecutedCode));
44 }
45
46 public static int staticField;
47
48 private int field;
49
50 @Test
51 public void testSplitReturn() {
52 test("testSplitReturnSnippet", 2);
53 testReturnCount("testSplitReturnSnippet", 2);
54 }
55
56 public int testSplitReturnSnippet(int b) {
57 int v;
58 if (b < 0) {
59 staticField = 1;
60 v = 10;
61 } else {
62 staticField = 2;
63 v = 20;
64 }
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