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These instructions will be executed on every iteration of the loop we cannot drop them. V2: - move removal of unreachable terminators from the terminator list to the same place they are removed from the IR as suggested by Nicolai. Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>