[CMake] [Darwin] Add support for debugging tablegen dependencies

This patch adds an option to the build system LLVM_DEPENDENCY_DEBUGGING. Over time I plan to extend this to do more complex verifications, but the initial patch causes compile errors wherever there is missing a dependency on intrinsics_gen.

Because intrinsics_gen is a compile-time dependency not a link-time dependency, everything that relies on the headers generated in intrinsics_gen needs an explicit dependency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287207 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed