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getBeforeOptimizationPasses example

    /** * Returns all passes in order to be processed. * * @return CompilerPassInterface[] */
    public function getPasses(): array
    {
        return array_merge(
            [$this->mergePass],
            $this->getBeforeOptimizationPasses(),
            $this->getOptimizationPasses(),
            $this->getBeforeRemovingPasses(),
            $this->getRemovingPasses(),
            $this->getAfterRemovingPasses()
        );
    }

    /** * Adds a pass. * * @return void * * @throws InvalidArgumentException when a pass type doesn't exist */

public function testPassOrdering()
    {
        $config = new PassConfig();
        $config->setBeforeOptimizationPasses([]);

        $pass1 = $this->createMock(CompilerPassInterface::class);
        $config->addPass($pass1, PassConfig::TYPE_BEFORE_OPTIMIZATION, 10);

        $pass2 = $this->createMock(CompilerPassInterface::class);
        $config->addPass($pass2, PassConfig::TYPE_BEFORE_OPTIMIZATION, 30);

        $passes = $config->getBeforeOptimizationPasses();
        $this->assertSame($pass2, $passes[0]);
        $this->assertSame($pass1, $passes[1]);
    }

    public function testPassOrderingWithoutPasses()
    {
        $config = new PassConfig();
        $config->setBeforeOptimizationPasses([]);
        $config->setAfterRemovingPasses([]);
        $config->setBeforeRemovingPasses([]);
        $config->setOptimizationPasses([]);