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</head><body><p>Hi *, </p><p>I am currently writing a clang plugin, which add to specific functions for e.g. additional arguments. </p><p>How can I instruct the optimizer not to throw out these arguments, because they are not used in the function body?<br></p><p>With (optnone) we can instruct the optimizer to not optimize the whole function. But this ist not what I want. The function body should be optimized like before.</p><p>Any idea or hints where to look?</p><p>Thanks</p><p>Marcel</p></body></html>