[PATCH] D136158: [AArch64] Adjust operand sequence for Add+Sub to combine more inline shift

[chenglin.bi via Phabricator via llvm-commits]

bcl5980 added a comment.

In D136158#3895933 <https://reviews.llvm.org/D136158#3895933>, @dmgreen wrote:

> Ah - it just means compiler the compiler with itself (on AArch64) and make sure it still passes all the tests. There are some details, including some handy cmake options in https://llvm.org/docs/AdvancedBuilds.html

Oh,

In D136158#3895933 <https://reviews.llvm.org/D136158#3895933>, @dmgreen wrote:

> Ah - it just means compiler the compiler with itself (on AArch64) and make sure it still passes all the tests. There are some details, including some handy cmake options in https://llvm.org/docs/AdvancedBuilds.html

Thanks for the explaination. I have already build and test llvm itself on MacbookAir with M2 <https://reviews.llvm.org/M2> processor.


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https://reviews.llvm.org/D136158