[PATCH] D14148: [GlobalOpt] Demote globals to locals more aggressively

[James Molloy via llvm-commits]

I did on aarch64 but I don't have it set up to run in x86 mode. I can run a bunch more tomorrow?

Fwiw, it's LTO mode compilation I'm trying to improve with these patches :)

On 16 Nov 2015, at 17:47, Mehdi Amini <mehdi.amini at apple.com<mailto:mehdi.amini at apple.com>> wrote:


On Nov 16, 2015, at 9:44 AM, James Molloy <James.Molloy at arm.com<mailto:James.Molloy at arm.com>> wrote:


On 16 Nov 2015, at 17:35, Duncan P. N. Exon Smith <dexonsmith at apple.com<mailto:dexonsmith at apple.com>> wrote:

Does this cause any benchmark regressions?  If not then maybe we don't
need to solve this.

None that I've observed, but of course I don't know what the code was originally intended to improve.


Did you run the test suite with LTO?
I know there are cases sensitive to this optimization.

-
Mehdi


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