[PATCH] D20555: [MemCpyOpt] Be conservative in the face of returns_twice calls

[David Majnemer via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL270879: [CaptureTracking] Volatile operations capture their memory location (authored by majnemer).

Changed prior to commit:
  http://reviews.llvm.org/D20555?vs=58457&id=58650#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D20555

Files:
  llvm/trunk/docs/LangRef.rst
  llvm/trunk/lib/Analysis/CaptureTracking.cpp
  llvm/trunk/test/Transforms/FunctionAttrs/nocapture.ll

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