[PATCH] D133213: [LLVM][AArch64] Explain that X19 is used as the frame base pointer register

[David Spickett via Phabricator via llvm-commits]

DavidSpickett added reviewers: lenary, ostannard.
DavidSpickett added a comment.

Obviously it would be cool to add the other reserved registers e.g. straight line speculation but let's see if I have the API right first.

If reserved regs were a static map I'd just make it a map of register string pair. However, it can change per function so I decided to go with a separate call you can make if you want/are able to print the reason.


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https://reviews.llvm.org/D133213