Three main changes:
- The pass createRequestCWrappersPass is renamed as
createLLVMRequestCWrappersPass
- createOptimizeForTargetPass is now under the LLVM namespace. It’s
unclear why the NVVM namespace was used initially, as all passes in
LLVMIR/Transforms/Passes.h consistently reside in the LLVM namespace.
- DuplicateFunctionEliminationPass is now in the func namespace.
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