SPI call to to find its own shared cache's UUID. On newer sytems we need to use the a new SPI which will return the UUID directly. <rdar://problem/36625871> llvm-svn: 324437
SPI call to to find its own shared cache's UUID. On newer sytems we need to use the a new SPI which will return the UUID directly. <rdar://problem/36625871> llvm-svn: 324437