7 * published by the Free Software Foundation.
8 *
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.lir.jtt;
24
25 import org.graalvm.compiler.api.directives.GraalDirectives;
26 import org.graalvm.compiler.core.common.PermanentBailoutException;
27 import org.graalvm.compiler.debug.Debug;
28 import org.graalvm.compiler.debug.DebugConfigScope;
29 import org.graalvm.compiler.debug.GraalError;
30 import org.graalvm.compiler.lir.LIRInstruction;
31 import org.graalvm.compiler.lir.LIRInstructionClass;
32 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
33 import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
34 import org.junit.Assert;
35 import org.junit.Assume;
36 import org.junit.Test;
37
38 import jdk.vm.ci.code.BailoutException;
39 import jdk.vm.ci.meta.ResolvedJavaMethod;
40 import jdk.vm.ci.meta.Value;
41 import jdk.vm.ci.sparc.SPARC;
42
43 /**
44 * Tests the {@link BailoutException} thrown, when trying to compile huge methods, which have branch
45 * displacements which does not fit into 19 bit signed.
46 */
47 public class SPARCBranchBailoutTest extends LIRTest {
48 private static class BranchSpec extends LIRTestSpecification {
49 private final int n;
50
51 BranchSpec(int n) {
52 super();
53 this.n = n;
65 @LIRIntrinsic
66 public static int branch(@SuppressWarnings("unused") BranchSpec s, int a) {
67 return a;
68 }
69
70 public static int testBranch(int length) {
71 int res = 1;
72 if (length > 0) {
73 res = branch(spec, 1);
74 } else {
75 res = branch(spec, 2);
76 }
77 return GraalDirectives.opaque(res);
78 }
79
80 @SuppressWarnings("try")
81 @Test
82 public void testBailoutOnBranchOverflow() throws Throwable {
83 Assume.assumeTrue(getBackend().getTarget().arch instanceof SPARC);
84 ResolvedJavaMethod m = getResolvedJavaMethod("testBranch");
85 try {
86 try (DebugConfigScope s = Debug.setConfig(Debug.silentConfig())) {
87 compile(m, null);
88 }
89 } catch (GraalError e) {
90 Assert.assertEquals(PermanentBailoutException.class, e.getCause().getClass());
91 }
92 }
93
94 public static class LargeOp extends LIRInstruction {
95 private static final LIRInstructionClass<LargeOp> TYPE = LIRInstructionClass.create(LargeOp.class);
96 private final int n;
97
98 public LargeOp(int n) {
99 super(TYPE);
100 this.n = n;
101 }
102
103 @Override
104 public void emitCode(CompilationResultBuilder crb) {
105 for (int i = 0; i < n; i++) {
106 crb.asm.emitInt(0);
107 }
|
7 * published by the Free Software Foundation.
8 *
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.lir.jtt;
24
25 import org.graalvm.compiler.api.directives.GraalDirectives;
26 import org.graalvm.compiler.core.common.PermanentBailoutException;
27 import org.graalvm.compiler.debug.DebugContext;
28 import org.graalvm.compiler.debug.DebugContext.Scope;
29 import org.graalvm.compiler.debug.GraalError;
30 import org.graalvm.compiler.lir.LIRInstruction;
31 import org.graalvm.compiler.lir.LIRInstructionClass;
32 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
33 import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
34 import org.graalvm.compiler.nodes.StructuredGraph;
35 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
36 import org.junit.Assert;
37 import org.junit.Assume;
38 import org.junit.Test;
39
40 import jdk.vm.ci.code.BailoutException;
41 import jdk.vm.ci.meta.ResolvedJavaMethod;
42 import jdk.vm.ci.meta.Value;
43 import jdk.vm.ci.sparc.SPARC;
44
45 /**
46 * Tests the {@link BailoutException} thrown, when trying to compile huge methods, which have branch
47 * displacements which does not fit into 19 bit signed.
48 */
49 public class SPARCBranchBailoutTest extends LIRTest {
50 private static class BranchSpec extends LIRTestSpecification {
51 private final int n;
52
53 BranchSpec(int n) {
54 super();
55 this.n = n;
67 @LIRIntrinsic
68 public static int branch(@SuppressWarnings("unused") BranchSpec s, int a) {
69 return a;
70 }
71
72 public static int testBranch(int length) {
73 int res = 1;
74 if (length > 0) {
75 res = branch(spec, 1);
76 } else {
77 res = branch(spec, 2);
78 }
79 return GraalDirectives.opaque(res);
80 }
81
82 @SuppressWarnings("try")
83 @Test
84 public void testBailoutOnBranchOverflow() throws Throwable {
85 Assume.assumeTrue(getBackend().getTarget().arch instanceof SPARC);
86 ResolvedJavaMethod m = getResolvedJavaMethod("testBranch");
87 DebugContext debug = getDebugContext();
88 try {
89 try (Scope s = debug.disable()) {
90 StructuredGraph graph = parseEager(m, AllowAssumptions.YES, debug);
91 compile(m, graph);
92 }
93 } catch (GraalError e) {
94 Assert.assertEquals(PermanentBailoutException.class, e.getCause().getClass());
95 }
96 }
97
98 public static class LargeOp extends LIRInstruction {
99 private static final LIRInstructionClass<LargeOp> TYPE = LIRInstructionClass.create(LargeOp.class);
100 private final int n;
101
102 public LargeOp(int n) {
103 super(TYPE);
104 this.n = n;
105 }
106
107 @Override
108 public void emitCode(CompilationResultBuilder crb) {
109 for (int i = 0; i < n; i++) {
110 crb.asm.emitInt(0);
111 }
|