[PATCH] D145273: [lld-macho] Avoid running LTO pipeline for no files

[Keith Smiley via Phabricator via llvm-commits]

keith created this revision.
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If no bitcode files are given as inputs but -object_path_lto is passed
we should avoid running the LTO pipeline.

This mirrors this patch from the ELF port https://github.com/llvm/llvm-project/commit/f3994e4dfa0214b2a09a0e327ba37e6b38bbcdb3

Fixes https://github.com/llvm/llvm-project/issues/61031


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D145273

Files:
  lld/MachO/Driver.cpp
  lld/MachO/LTO.cpp
  lld/MachO/LTO.h
  lld/test/MachO/lto-object-path.ll

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