Displaying 2 results from an estimated 2 matches for "pr2055".
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pr20455
2008 Mar 01
0
[LLVMdev] Google Summer of Code Idea
...guring out how to describe errno
in the optimizer: each libc #defines errno to something different it
seems. Maybe the solution is to have a __builtin_errno_addr() or
something and change sys headers to use it.
3. An easy project is to add the 'nocapture' attribute to the LLVM IR
(PR2055) and have passes infer and propagate it around. Its presence
can significantly improve local alias analysis at very low cost.
4. The globals mod/ref pass basically does really simple and cheap
bottom-up context sensitive alias analysis. It being simple and cheap
are really important, but t...
2008 Mar 01
2
[LLVMdev] Google Summer of Code Idea
> Ok. I think the most important thing to keep in mind, if you want
> this to be useful for LLVM, is for it to be sound in the presence of
> incomplete programs. I think it would be very interesting to have a
> BDD based analysis in LLVM, it would be useful for performance
> comparisons and many other things, even if it isn't turned on by
> default. However, it must