23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
  29  * @library /testlibrary /../../test/lib /
  30  * @compile ../common/CompilerToVMHelper.java
  31  * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
  32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  33  *      -Xbootclasspath/a:.
  34  *      compiler.jvmci.compilerToVM.GetBytecodeTest
  35  */
  36 
  37 package compiler.jvmci.compilerToVM;
  38 
  39 import compiler.jvmci.common.CTVMUtilities;
  40 import compiler.jvmci.common.testcases.TestCase;
  41 import java.lang.reflect.Executable;
  42 import java.lang.reflect.Modifier;
  43 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
  44 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  45 import jdk.internal.org.objectweb.asm.Opcodes;
  46 import jdk.test.lib.Asserts;
  47 
  48 public class GetBytecodeTest {
  49 
  50     public static void main(String[] args) {
  51         TestCase.getAllExecutables()
  52                 .forEach(GetBytecodeTest::runSanityTest);
  53     }
  54 
  55     private static void runSanityTest(Executable aMethod) {
  56         HotSpotResolvedJavaMethodImpl method = CTVMUtilities
  57                 .getResolvedMethod(aMethod);
  58         byte[] bytecode = CompilerToVMHelper.getBytecode(method);
  59 
  60         int mods = aMethod.getModifiers();
  61         boolean shouldHasZeroLength = Modifier.isAbstract(mods)
  62                 || Modifier.isNative(mods);
  63         boolean correctLength = (bytecode.length == 0 && shouldHasZeroLength)
  64                 || (bytecode.length > 0 && !shouldHasZeroLength);
  65 
  66         Asserts.assertTrue(correctLength, "Bytecode of '" + aMethod + "' has "
  67                 + bytecode.length + " length");
  68 
  69         if (!shouldHasZeroLength) {
  70             Asserts.assertTrue(containsReturn(bytecode), "Bytecode of '"
  71                     + aMethod + "' doesn't have any return statement");
  72         }
  73     }
  74 
  75     private static boolean containsReturn(byte[] bytecode) {
  76         for (byte b : bytecode) {

  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
  29  * @library /testlibrary /../../test/lib /
  30  * @compile ../common/CompilerToVMHelper.java
  31  * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
  32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  33  *      -Xbootclasspath/a:.
  34  *      compiler.jvmci.compilerToVM.GetBytecodeTest
  35  */
  36 
  37 package compiler.jvmci.compilerToVM;
  38 
  39 import compiler.jvmci.common.CTVMUtilities;
  40 import compiler.jvmci.common.testcases.TestCase;
  41 import java.lang.reflect.Executable;
  42 import java.lang.reflect.Modifier;
  43 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  44 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  45 import jdk.internal.org.objectweb.asm.Opcodes;
  46 import jdk.test.lib.Asserts;
  47 
  48 public class GetBytecodeTest {
  49 
  50     public static void main(String[] args) {
  51         TestCase.getAllExecutables()
  52                 .forEach(GetBytecodeTest::runSanityTest);
  53     }
  54 
  55     private static void runSanityTest(Executable aMethod) {
  56         HotSpotResolvedJavaMethod method = CTVMUtilities
  57                 .getResolvedMethod(aMethod);
  58         byte[] bytecode = CompilerToVMHelper.getBytecode(method);
  59 
  60         int mods = aMethod.getModifiers();
  61         boolean shouldHasZeroLength = Modifier.isAbstract(mods)
  62                 || Modifier.isNative(mods);
  63         boolean correctLength = (bytecode.length == 0 && shouldHasZeroLength)
  64                 || (bytecode.length > 0 && !shouldHasZeroLength);
  65 
  66         Asserts.assertTrue(correctLength, "Bytecode of '" + aMethod + "' has "
  67                 + bytecode.length + " length");
  68 
  69         if (!shouldHasZeroLength) {
  70             Asserts.assertTrue(containsReturn(bytecode), "Bytecode of '"
  71                     + aMethod + "' doesn't have any return statement");
  72         }
  73     }
  74 
  75     private static boolean containsReturn(byte[] bytecode) {
  76         for (byte b : bytecode) {