[PATCH] D50698: [UnJ] Ensure unroll_and_jam metadata is removed once consumed.

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: SjoerdMeijer, hfinkel, Meinersbur.
Herald added a subscriber: zzheng.

If we have unroll and jammed a loop based on metadata, make sure we
remove the now consumed unroll_and_jam metadata.


https://reviews.llvm.org/D50698

Files:
  include/llvm/Analysis/LoopInfo.h
  lib/Analysis/LoopInfo.cpp
  lib/Transforms/Scalar/LoopUnrollAndJamPass.cpp
  test/Transforms/LoopUnrollAndJam/pragma.ll

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