[LLVMdev] Update PTX section in CodeGenerator.html

[陳韋任 (Wei-Ren Chen)]

Hi Justin,

  I believe the PTX section in the link below need some love,
updating "lib/Target/PTX" to "lib/Target/NVPTX" for example.
Would you like to take a look?

  http://llvm.org/docs/CodeGenerator.html#the-ptx-backend

Regards,
chenwj

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj