[PATCH] D137532: [LoongArch] Implement the TargetLowering::getRegisterByName hook

Sun Nov 13 22:24:11 PST 2022

gonglingqin added a comment.

In D137532#3923952 <https://reviews.llvm.org/D137532#3923952>, @xen0n wrote:

> I'm curious what usage case motivated the change? Not to say it's unnecessary but it's better to have people know a bit more background behind this work.

This interface is required by the code in https://github.com/loongson/linux/blob/master/arch/loongarch/include/asm/percpu.h#L12-L18. This patch can avoid crashes when compiling the kernel with llvm in the future.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137532/new/

https://reviews.llvm.org/D137532