[llvm-bugs] [Bug 35790] if (auto x = y(z)) generates bad/slow code (found via analysis of dyn_cast)

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35790

Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Interprocedural             |Scalar Optimizations
                   |Optimizations               |
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #6 from Sanjay Patel <spatel+llvm at rotateright.com> ---
Should be fixed with:
https://reviews.llvm.org/rL322439

If anyone has stats/perf, I'm curious to know what fraction of the larger
problem (bug 35909, I think) this pattern represents for swift/clang.

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