[mono][interp] Reduce redundant moves with calls #79905
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Tagging subscribers to this area: @BrzVlad Issue DetailsWe were marking INTERP_LOCAL_FLAG_NO_CALL_ARGS for source vars of non calls. With further optimizations, the var could end up being used only for the call but we never unset the flag. Reuse the ref count data instead, which is kept updated following optimizations, to achieve same thing. If cprop is not run then we always duplicate the args, but this is an unused scenario.
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This PR is currently blocked by bug in the call args offset allocation: #80175 Failure happens in |
We were marking INTERP_LOCAL_FLAG_NO_CALL_ARGS for source vars of non calls. With further optimizations, the var could end up being used only for the call but we never unset the flag. Reuse the ref count data, which is kept updated following optimizations, to achieve same thing. If cprop is not run then we always duplicate the args, but this is an unused scenario.
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We were marking INTERP_LOCAL_FLAG_NO_CALL_ARGS for source vars of non calls. With further optimizations, the var could end up being used only for the call but we never unset the flag. Reuse the ref count data instead, which is kept updated following optimizations, to achieve same thing. If cprop is not run then we always duplicate the args, but this is an unused scenario.