google / google/llvm-propeller
Does propeller supported in aarch64?
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Description
In [propeller](https://github.com/google/llvm-propeller/blob/main/Docs/OptimizeClangO3WithPropeller.md) step 2, I see propeller dependce the LBR (last branch record) featue, which is deficienced in aarch64.
So does propeller supported in aarch64? Or can we do something let it work?
Maybe simulate the LBR feature by instrumentation in aarch64？
Thx.
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