[llvm-bugs] [Bug 47023] Improve store merging

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=47023

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Sanjay Patel <spatel+llvm at rotateright.com> ---
(In reply to David Bolvansky from comment #6)
> Seems to be fixed in LLVM 12 (probably second run of SROA)

Yes, it was likely the pipeline change that took care of these examples. 

I added all of these as IR phase ordering tests, so we won't break these
specific tests again:
https://reviews.llvm.org/rGbe1028053e93

So I'll mark this as fixed. x86 codegen is not identical to gcc's, but let's
open another report if that is a concern.

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