Change getDataLayout to createDataLayout
Change getDataLayout to createDataLayout

The call to getting a DataLayout object changed in LLVM. Update LLILC to
use the new call.

BruceForstall/llilc,russellhadley/llilc,marksantos/llilc,swaroop-sridhar/llilc,manu-silicon/llilc,adiaaida/llilc,dkorolev/llilc,marksantos/llilc,kyulee1/llilcjit,tempbottle/llilc,BruceForstall/llilc,dotnet/llilc,russellhadley/llilc,manu-silicon/llilc,dkorolev/llilc,JosephTremoulet/llilc,adiaaida/llilc,kyulee1/llilcjit,tempbottle/llilc,manu-silicon/llilc,dotnet/llilc,adiaaida/llilc,dkorolev/llilc,BruceForstall/llilc,dotnet/llilc,swaroop-sridhar/llilc,marksantos/llilc,JosephTremoulet/llilc,kyulee1/llilcjit,AndyAyersMS/llilc,AndyAyersMS/llilc,AndyAyersMS/llilc,tempbottle/llilc,JosephTremoulet/llilc,russellhadley/llilc,swaroop-sridhar/llilc