[PATCH] Fix LLVM_OPTIMIZED_TABLEGEN CMake option

[Chris Bieneman]

What is the problem you're trying to fix? Everything this changes was done this way by design.

The big reason for not doing it this way was that it allowed users to create their own cross build directories and pass them in if they wanted to. This is something we've done in the past although I'm not sure if we still are. That's why there are no options specified on the command that runs during the build. That way we don't override options if someone already set some.


http://reviews.llvm.org/D8981

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