[llvm-bugs] [Bug 26879] [AArch64] Greedy load/store optimizer misses pairing opportunities

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Apr 15 08:24:55 PDT 2016


Jun Bum Lim <junbuml at codeaurora.org> changed:

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

--- Comment #8 from Jun Bum Lim <junbuml at codeaurora.org> ---
Instead of adding complexity in ld/st opt pass to maximize the total number of
pairs, I   enabled store clustering in MachineScheduler by committing r266437.
With this change, +3% more ld/st pairs are generated in spec2006; please see
detail llvm stats in D18376. I also didn't see any performance regression in
xalancbmk with D17098.

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