[llvm] r199711 - tools: use 64-bit print specifier

[Tim Northover]

Hi Saleem,

> -  OS << format("; vsp = vsp + %u\n", 0x204 + (Value << 2));
> +  OS << format("; vsp = vsp + %" PRIu64 "\n", 0x204 + (Value << 2));

Aren't there some issues with MSVC around those macros? That is, I
didn't think it supported them at all.

Cheers.

Tim.