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

Example 1 with InlineOracle

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

the class GenerationContextTest method childContextsQueryOSRBarrierInformationViaOutermostParent.

@Test
public void childContextsQueryOSRBarrierInformationViaOutermostParent() throws Exception {
    NormalMethod nm = getNormalMethodForTest("methodForInliningTests");
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext outermost = 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();
    GenerationContext child = outermost.createChildContext(ebag, callee, callInstr);
    Instruction osrBarrier = createMockOSRBarrier();
    Instruction call = createMockCall();
    child.saveOSRBarrierForInst(osrBarrier, call);
    assertThat(outermost.getOSRBarrierFromInst(call), is(osrBarrier));
    assertThat(child.getOSRBarrierFromInst(call), is(osrBarrier));
    GenerationContext child2 = outermost.createChildContext(ebag, callee, callInstr);
    assertThat(child2.getOSRBarrierFromInst(call), is(osrBarrier));
}

Example 2 with InlineOracle

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

the class GenerationContextTest method methodsWithReturnValueHaveReturnInstructionInEpilogue.

@Test
public void methodsWithReturnValueHaveReturnInstructionInEpilogue() throws Exception {
    NormalMethod nm = getNormalMethodForTest("staticMethodReturningLongMaxValue");
    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);
    assertThatBlockOnlyHasOneRealInstruction(prologue);
    BasicBlock epilogue = gc.getEpilogue();
    assertThatEpilogueBlockIsSetupCorrectly(gc, inlineSequence, epilogue);
    assertThatLastInstructionInEpilogueIsReturn(gc, epilogue);
    RegisterOperand returnValue = Return.getVal(epilogue.lastRealInstruction()).asRegister();
    assertThat(returnValue.getType(), is(TypeReference.Long));
    assertThatExitBlockIsSetCorrectly(gc);
    assertThatDataIsSavedCorrectly(nm, cm, io, gc);
    assertThat(gc.getResultReg().isLong(), is(true));
    assertThatGCHasNoExceptionHandlers(gc);
    assertThatRegisterPoolExists(gc);
    assertThatChecksWontBeSkipped(gc);
}

Example 3 with InlineOracle

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

the class GenerationContextTest method specializedParametersAreNotSanityChecked.

@Test
public void specializedParametersAreNotSanityChecked() throws Exception {
    Class<?>[] argumentTypes = { Object.class };
    TypeReference[] specializedArgumentTypes = {};
    NormalMethod nm = getNormalMethodForTest("emptyStaticMethodWithObjectParam", argumentTypes);
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = new OptOptions();
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, specializedArgumentTypes, cm, opts, io);
    assertThatNumberOfParametersIs(gc, 0);
}

Example 4 with InlineOracle

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

the class GenerationContextTest method methodIsSelectedForDebuggingWithMethodToPrintReturnsTrueIfOutermostParentMatches.

@Test
public void methodIsSelectedForDebuggingWithMethodToPrintReturnsTrueIfOutermostParentMatches() throws Exception {
    String methodName = "emptyStaticMethodWithoutAnnotations";
    NormalMethod nm = getNormalMethodForTest(methodName);
    CompiledMethod cm = new OptCompiledMethod(-1, nm);
    OptOptions opts = buildOptionsWithMethodToPrintOptionSet(methodName);
    InlineOracle io = new DefaultInlineOracle();
    GenerationContext gc = new GenerationContext(nm, null, cm, opts, io);
    ExceptionHandlerBasicBlockBag ebag = getMockEbag();
    NormalMethod callee = getNormalMethodForTest("emptyStaticMethodWithNoCheckStoreAnnotation");
    Instruction noCheckStoreInstr = buildCallInstructionForStaticMethodWithoutReturn(callee, nm);
    GenerationContext nextInnerContext = gc.createChildContext(ebag, callee, noCheckStoreInstr);
    NormalMethod nextInnerCallee = getNormalMethodForTest("emptyStaticMethodWithNoNullCheckAnnotation");
    Instruction noNullCheckInstr = buildCallInstructionForStaticMethodWithoutReturn(callee, nextInnerCallee);
    GenerationContext innermostContext = nextInnerContext.createChildContext(ebag, nextInnerCallee, noNullCheckInstr);
    assertThat(innermostContext.methodIsSelectedForDebuggingWithMethodToPrint(), is(true));
}

Example 5 with InlineOracle

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

the class GenerationContextTest method constructorCreatesOperandsForInstanceMethods.

@Test
public void constructorCreatesOperandsForInstanceMethods() 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);
    InlineSequence inlineSequence = new InlineSequence(nm);
    assertThatInlineSequenceWasSetCorrectly(gc, inlineSequence);
    assertThatNumberOfParametersIs(gc, 5);
    RegisterOperand thisOperand = getThisOperand(gc);
    assertThatRegOpHoldsClassType(thisOperand);
    assertThatRegOpHasDeclaredType(thisOperand);
    RegisterOperand objectRegOp = gc.getArguments()[1].asRegister();
    assertThatRegOpHoldsClassType(objectRegOp);
    assertThatRegOpHasDeclaredType(objectRegOp);
    RegisterOperand doubleRegOp = gc.getArguments()[2].asRegister();
    assertThat(doubleRegOp.isDouble(), is(true));
    assertThatRegOpHasDeclaredType(doubleRegOp);
    RegisterOperand intRegOp = gc.getArguments()[3].asRegister();
    assertThat(intRegOp.isInt(), is(true));
    assertThatRegOpHasDeclaredType(intRegOp);
    RegisterOperand longRegOp = gc.getArguments()[4].asRegister();
    assertThat(longRegOp.isLong(), is(true));
    assertThatRegOpHasDeclaredType(longRegOp);
    Register thisLocalReg = gc.localReg(0, nm.getDeclaringClass().getTypeRef());
    assertThatRegOpIsLocalRegOfRegister(thisOperand, thisLocalReg);
    Register objectReg = gc.localReg(1, TypeReference.JavaLangObject);
    assertThatRegOpIsLocalRegOfRegister(objectRegOp, objectReg);
    Register doubleReg = gc.localReg(2, TypeReference.Double);
    assertThatRegOpIsLocalRegOfRegister(doubleRegOp, doubleReg);
    Register intReg = gc.localReg(4, TypeReference.Int);
    assertThatRegOpIsLocalRegOfRegister(intRegOp, intReg);
    Register longReg = gc.localReg(5, TypeReference.Long);
    assertThatRegOpIsLocalRegOfRegister(longRegOp, longReg);
    BasicBlock prologue = gc.getPrologue();
    assertThatPrologueBlockIsSetupCorrectly(gc, inlineSequence, prologue);
    assertThatFirstInstructionInPrologueIsPrologue(inlineSequence, prologue);
    Instruction lastPrologueInstruction = prologue.lastRealInstruction();
    assertThatInstructionIsGuardMoveForPrologue(lastPrologueInstruction, thisOperand, gc);
    assertThatPrologueOperandIsRegOpFromLocalNr(prologue, thisOperand, 0);
    assertThatPrologueOperandIsRegOpFromLocalNr(prologue, objectRegOp, 1);
    assertThatPrologueOperandIsRegOpFromLocalNr(prologue, doubleRegOp, 2);
    assertThatPrologueOperandIsRegOpFromLocalNr(prologue, intRegOp, 3);
    assertThatPrologueOperandIsRegOpFromLocalNr(prologue, longRegOp, 4);
    assertThatEpilogueIsForVoidReturnMethod(gc, inlineSequence);
    assertThatExitBlockIsSetCorrectly(gc);
    assertThatDataIsSavedCorrectly(nm, cm, io, gc);
    assertThatReturnValueIsVoid(gc);
    assertThatGCHasNoExceptionHandlers(gc);
    assertThatRegisterPoolExists(gc);
    assertThatChecksWontBeSkipped(gc);
    assertThatNoRethrowBlockExists(gc);
}