[llvm-bugs] [Bug 46319] LLVM does not see that two writes are independent.

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jun 24 01:24:15 PDT 2020


https://bugs.llvm.org/show_bug.cgi?id=46319

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
                 CC|                            |llvm-dev at redking.me.uk
             Status|NEW                         |RESOLVED

--- Comment #1 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
The reason you're seeing no effect is that you're trying to unnecessarily
overrule a CPU's register renaming mechanism.

https://en.wikipedia.org/wiki/Register_renaming

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