[PATCH] D83745: [ARM] Optimize immediate selection

Mon Jul 27 07:38:08 PDT 2020

benshi001 added a comment.

In D83745#2175668 <https://reviews.llvm.org/D83745#2175668>, @SjoerdMeijer wrote:

> Eye balling the one test that was changed this indeed makes sense. But I would prefer to see some performance numbers first just to check we haven't missed anything.

Is there a performance test suite for llvm/arm I can try? Or just a small piece of code running 1000 times is OK enough? 
Actually I have made similar optimization for golang, golang's official go1 benchmark score shows slight improvement.

https://github.com/golang/go/commit/6897030fe3de43bbed48adb72f21a6c2d00042cd

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https://reviews.llvm.org/D83745