[llvm-bugs] [Bug 27140] [X86] Redundant adjacent stack adjustments after call frame optimization

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27140

Hans Wennborg <hans at chromium.org> changed:

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

--- Comment #3 from Hans Wennborg <hans at chromium.org> ---
r265623 fixes most of these. The impact was very small (~3KB on
chrome_child.dll) but at least the code looks less silly.

There is still opportunities to clean up more %esp adjustment, for example if
we're doing "add $4, %esp" but %esp is actually dead because we later do "mov
%esp, %esi" or something, but that would be a different project, maybe part of
PR27076.

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