[PATCH] [BUG] "Rotate Loop" pass kills "llvm.vectorizer.enable" metadata

[tnowicki at apple.com]

  Hi Zinovy,

  I have a question about your test case. Did you manually add the “llvm.vectorizer.enable” metadata to the IR in Test #1? Or does clang automatically generate the when #pragma omp simd is specified?

  Thanks,

  Tyler

http://reviews.llvm.org/D3348