https://llvm.org/bugs/show_bug.cgi?id=30428
Matti Niemenmaa <matti.niemenmaa+llvmb...@iki.fi> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #6 from Matti Niemenmaa <matti.niemenmaa+llvmb...@iki.fi> ---
Turns out this was already dealt with as part of Bug 28620, which has a fix in
trunk that currently requires explicit activation due to it causing other
regressions: opt -cvp-dont-process-adds=false -correlated-propagation infers
the nsw/nuw flags nicely.
But only for adds — it doesn't do anything for sub instructions. Currently this
doesn't matter, since that would anyway be undone by the fact that 'sub nuw Y,
1' is canonicalized into 'add Y, -1', but dealing with that seems like a
separate issue so I'm marking this as a duplicate.
*** This bug has been marked as a duplicate of bug 28620 ***
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