654846560c
This adds - `emitc.global` and `emitc.get_global` ops to model global variables similar to how `memref.global` and `memref.get_global` work. - translation of those ops to C++ - lowering of `memref.global` and `memref.get_global` into those ops --------- Co-authored-by: Simon Camphausen <simon.camphausen@iml.fraunhofer.de>