[llvm] [NFC][SPARC] Add proper flags for instruction definitions (PR #182840)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

> I checked, and yes, I probably mistook it for `isCopyInstr()`, see its uses in `DwarfDebug.cpp` for how it may affect generation of the debug information.

My confusion stems from the fact that `isMoveReg()` is commonly used in implementation of `isCopyInstrImpl()`, for example: https://github.com/llvm/llvm-project/blob/23780ded7ae24ca07afe076a705e9c320131ea3e/llvm/lib/Target/X86/X86InstrInfo.cpp#L4393


https://github.com/llvm/llvm-project/pull/182840