[llvm] [LoongArch][MC] Add assembly syntax highlighting for LoongArch (PR #218946)

[Rong Mantle Bao via llvm-commits]

CSharperMantle wrote:

This seems to be the intended behavior. Per definition:

https://github.com/llvm/llvm-project/blob/edbd58272b4c41329782168b15564fea14687271/llvm/include/llvm/MC/MCInstPrinter.h#L72-L75

And llvm-objdump's settings:

https://github.com/llvm/llvm-project/blob/edbd58272b4c41329782168b15564fea14687271/llvm/tools/llvm-objdump/llvm-objdump.cpp#L1218

The results *should* be the destination offsets. So, we'd probably need to update the test expectations of all PC-rel branch disasssemblies on LoongArch.

CC @SixWeining, @wangleiat


https://github.com/llvm/llvm-project/pull/218946