[llvm] [MC][RISCV] Check hasEmitNops before call shouldInsertExtraNopBytesForCodeAlign (PR #77236)

[Jinyang He via llvm-commits]

MQ-mengqing wrote:

Add: @MaskRay @nathanchance @SixWeining
For LoongArch we not handle aligment directive to emit R_LARCH_ALIGN at present, so it not trigger fault.  I'll add similar test in patch that handle aligment directive.



https://github.com/llvm/llvm-project/pull/77236