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...benchmark numbers showing OSR is worth it as it's own pass as opposed to replacing/augmenting the LSR implementation that exists now with it. --Dan -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20101116/43822996/attachment.html>

On 11/13/10 11:05 PM, Daniel Berlin wrote: > > A big downside of the current LSR algorithm is it's slow. I had > initially > hoped that some of the heuristics would protect it better, but the > problem is > more complex than I had expected. I haven't done any measurements, > but it's likely that OSR is faster, which may interest some

> > A big downside of the current LSR algorithm is it's slow. I had initially > hoped that some of the heuristics would protect it better, but the problem > is > more complex than I had expected. I haven't done any measurements, > but it's likely that OSR is faster, which may interest some people > regardless > of how the output compares. > A few years