Examples with InlineOracle org.jikesrvm.compilers.opt.inlining.InlineOracle used on opensource projects

Example 16 with InlineOracle

use of org.jikesrvm.compilers.opt.inlining.InlineOracle in project JikesRVM by JikesRVM.

the class GenerationContextTest method prologueAndEpilogueForSynchronizedInstanceMethodHaveMonitorEnterAndExit.

@Test
public void prologueAndEpilogueForSynchronizedInstanceMethodHaveMonitorEnterAndExit() throws Exception {
    NormalMethod nm = getNormalMethodForTest("emptySynchronizedInstanceMethod");
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, null, cm, opts, io);
    InlineSequence inlineSequence = new InlineSequence(nm);
    assertThatInlineSequenceWasSetCorrectly(gc, inlineSequence);
    assertThatLocalsForInstanceMethodWithoutParametersAreCorrect(nm, gc);
    RegisterOperand thisOperand = getThisOperand(gc);
    BasicBlock prologue = gc.getPrologue();
    assertThatPrologueBlockIsSetupCorrectly(gc, inlineSequence, prologue);
    assertThatFirstInstructionInPrologueIsPrologue(inlineSequence, prologue);
    Enumeration<Instruction> prologueInstructions = prologue.forwardRealInstrEnumerator();
    prologueInstructions.nextElement();
    Instruction secondInstruction = prologueInstructions.nextElement();
    assertThatInstructionIsGuardMoveForPrologue(secondInstruction, thisOperand, gc);
    Instruction lastInstruction = prologueInstructions.nextElement();
    assertInstructionIsMonitorEnterInPrologue(lastInstruction, inlineSequence);
    assertThatGuardIsCorrectForMonitorEnter(lastInstruction);
    Operand lockObject = MonitorOp.getRef(lastInstruction);
    Operand expectedLockObject = buildLockObjectForInstanceMethod(nm, thisOperand, gc);
    assertTrue(expectedLockObject.similar(lockObject));
    assertThatNumberOfRealInstructionsMatches(prologue, 3);
    BasicBlock epilogue = gc.getEpilogue();
    assertThatEpilogueBlockIsSetupCorrectly(gc, inlineSequence, epilogue);
    assertThatFirstInstructionEpilogueIsMonitorExit(inlineSequence, epilogue);
    assertThatLastInstructionInEpilogueIsReturn(gc, epilogue);
    assertThatReturnInstructionReturnsVoid(epilogue);
    assertThatNumberOfRealInstructionsMatches(epilogue, 2);
    assertThatExitBlockIsSetCorrectly(gc);
    assertThatRegisterPoolExists(gc);
    assertThatDataIsSavedCorrectly(nm, cm, io, gc);
    assertThatReturnValueIsVoid(gc);
    assertThatExceptionHandlersWereGenerated(gc);
    assertThatUnlockAndRethrowBlockIsCorrect(gc, inlineSequence, prologue, expectedLockObject, epilogue);
    assertThatChecksWontBeSkipped(gc);
}

Example 17 with InlineOracle

use of org.jikesrvm.compilers.opt.inlining.InlineOracle in project JikesRVM by JikesRVM.

the class GenerationContextTest method isLocalReturnsTrueForRegistersCreatedViaMakeLocal.

@Test
public void isLocalReturnsTrueForRegistersCreatedViaMakeLocal() throws Exception {
    Class<?>[] argumentTypes = { Object.class, double.class, int.class, long.class };
    NormalMethod nm = getNormalMethodForTest("emptyInstanceMethodWithParams", argumentTypes);
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, null, cm, opts, io);
    int thisLocalNumber = 0;
    TypeReference localType = nm.getDeclaringClass().getTypeRef();
    RegisterOperand thisRegOp = gc.makeLocal(thisLocalNumber, localType);
    assertTrue(gc.isLocal(thisRegOp, thisLocalNumber, localType));
}

Example 18 with InlineOracle

use of org.jikesrvm.compilers.opt.inlining.InlineOracle in project JikesRVM by JikesRVM.

the class GenerationContextTest method osrSpecializedMethodsDoNotHaveMonitorEnterButHaveMonitorExit.

@Test
public void osrSpecializedMethodsDoNotHaveMonitorEnterButHaveMonitorExit() throws Exception {
    NormalMethod nm = getNormalMethodForTest("emptySynchronizedStaticMethodForOSR");
    byte[] osrPrologue = {};
    nm.setForOsrSpecialization(osrPrologue, (short) 0);
    assertTrue(nm.isForOsrSpecialization());
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, null, cm, opts, io);
    InlineSequence inlineSequence = new InlineSequence(nm);
    assertThatInlineSequenceWasSetCorrectly(gc, inlineSequence);
    assertThatNumberOfParametersIs(gc, 0);
    BasicBlock prologue = gc.getPrologue();
    assertThatPrologueBlockIsSetupCorrectly(gc, inlineSequence, prologue);
    assertThatFirstInstructionInPrologueIsPrologue(inlineSequence, prologue);
    assertThatNumberOfRealInstructionsMatches(prologue, 1);
    BasicBlock epilogue = gc.getEpilogue();
    assertThatEpilogueBlockIsSetupCorrectly(gc, inlineSequence, epilogue);
    assertThatFirstInstructionEpilogueIsMonitorExit(inlineSequence, epilogue);
    assertThatLastInstructionInEpilogueIsReturn(gc, epilogue);
    assertThatReturnInstructionReturnsVoid(epilogue);
    assertThatNumberOfRealInstructionsMatches(epilogue, 2);
    assertThatExitBlockIsSetCorrectly(gc);
    assertThatRegisterPoolExists(gc);
    assertThatDataIsSavedCorrectly(nm, cm, io, gc);
    assertThatReturnValueIsVoid(gc);
    assertThatExceptionHandlersWereGenerated(gc);
    Operand expectedLockObject = buildLockObjectForStaticMethod(nm);
    assertThatUnlockAndRethrowBlockIsCorrect(gc, inlineSequence, prologue, expectedLockObject, epilogue);
    assertThatChecksWontBeSkipped(gc);
}

Example 19 with InlineOracle

use of org.jikesrvm.compilers.opt.inlining.InlineOracle in project JikesRVM by JikesRVM.

the class GenerationContextTest method annotationsAreTreatedCorrectlyForInlinedMethods.

@Test
public void annotationsAreTreatedCorrectlyForInlinedMethods() throws Exception {
    NormalMethod nm = getNormalMethodForTest("methodForInliningTests");
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, null, cm, opts, io);
    ExceptionHandlerBasicBlockBag ebag = getMockEbag();
    NormalMethod callee = getNormalMethodForTest("emptyStaticMethodWithNoBoundCheckAnnotation");
    Instruction noBoundsInstr = buildCallInstructionForStaticMethodWithoutReturn(callee, nm);
    GenerationContext noBoundsContext = gc.createChildContext(ebag, callee, noBoundsInstr);
    assertTrue(noBoundsContext.noBoundsChecks());
    assertFalse(noBoundsContext.noNullChecks());
    assertFalse(noBoundsContext.noCheckStoreChecks());
    callee = getNormalMethodForTest("emptyStaticMethodWithNoCheckStoreAnnotation");
    Instruction noCheckStoreInstr = buildCallInstructionForStaticMethodWithoutReturn(callee, nm);
    GenerationContext noCheckStoreContext = gc.createChildContext(ebag, callee, noCheckStoreInstr);
    assertFalse(noCheckStoreContext.noBoundsChecks());
    assertFalse(noCheckStoreContext.noNullChecks());
    assertTrue(noCheckStoreContext.noCheckStoreChecks());
    callee = getNormalMethodForTest("emptyStaticMethodWithNoNullCheckAnnotation");
    Instruction noNullChecks = buildCallInstructionForStaticMethodWithoutReturn(callee, nm);
    GenerationContext noNullCheckContext = gc.createChildContext(ebag, callee, noNullChecks);
    assertFalse(noNullCheckContext.noBoundsChecks());
    assertTrue(noNullCheckContext.noNullChecks());
    assertFalse(noNullCheckContext.noCheckStoreChecks());
}

Example 20 with InlineOracle

use of org.jikesrvm.compilers.opt.inlining.InlineOracle in project JikesRVM by JikesRVM.

the class GenerationContextTest method basicChildContextsWorkCorrectly.

@Test
public void basicChildContextsWorkCorrectly() throws Exception {
    NormalMethod nm = getNormalMethodForTest("methodForInliningTests");
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, null, cm, opts, io);
    Class<?>[] classArgs = { Object.class };
    NormalMethod callee = getNormalMethodForTest("emptyStaticMethodWithObjectParamAndReturnValue", classArgs);
    MethodOperand methOp = MethodOperand.STATIC(callee);
    RegisterOperand result = createMockRegisterOperand(TypeReference.JavaLangObject);
    Instruction callInstr = Call.create(CALL, result, null, methOp, 1);
    RegisterOperand objectParam = createMockRegisterOperand(TypeReference.JavaLangObject);
    Call.setParam(callInstr, 0, objectParam);
    callInstr.setPosition(new InlineSequence(nm));
    ExceptionHandlerBasicBlockBag ebag = getMockEbag();
    int nodeNumber = 12345;
    gc.getCfg().setNumberOfNodes(nodeNumber);
    GenerationContext child = gc.createChildContext(ebag, callee, callInstr);
    RegisterOperand expectedLocalForObjectParam = child.makeLocal(0, objectParam);
    assertThatStateIsCopiedFromParentToChild(gc, callee, child, ebag);
    InlineSequence expectedInlineSequence = new InlineSequence(callee, callInstr.position(), callInstr);
    assertEquals(expectedInlineSequence, child.getInlineSequence());
    RegisterOperand firstArg = child.getArguments()[0].asRegister();
    assertTrue(firstArg.sameRegisterPropertiesAs(expectedLocalForObjectParam));
    assertSame(result.getRegister(), child.getResultReg());
    assertTrue(child.getResultReg().spansBasicBlock());
    assertThatPrologueAndEpilogueAreWiredCorrectlyForChildContext(ebag, nodeNumber, child);
    Enumeration<Instruction> prologueRealInstr = child.getPrologue().forwardRealInstrEnumerator();
    Instruction move = prologueRealInstr.nextElement();
    RegisterOperand objectParamInChild = objectParam.copy().asRegister();
    assertMoveOperationIsCorrect(callInstr, REF_MOVE, expectedLocalForObjectParam, objectParamInChild, move);
    assertThatNoMoreInstructionsExist(prologueRealInstr);
    Enumeration<Instruction> epilogueRealInstr = child.getEpilogue().forwardRealInstrEnumerator();
    assertThatNoMoreInstructionsExist(epilogueRealInstr);
    assertThatNoRethrowBlockExists(child);
    assertThatChecksWontBeSkipped(gc);
}