[PATCH] D33243: [Atomics][LoopIdiom] Recognize unordered atomic memcpy

[Daniel Neilson via Phabricator via llvm-commits]

dneilson updated this revision to Diff 100907.
dneilson added a comment.

- Remove use of RTLIB in loop idiom. Results in a circular dependence in libs, so we can't use it there. Instead of querying RTLIB for allowable store sizes, we query the scalar register bit width from TTI.


https://reviews.llvm.org/D33243

Files:
  include/llvm/IR/IRBuilder.h
  lib/IR/IRBuilder.cpp
  lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  test/Transforms/LoopIdiom/unordered-atomic-memcpy.ll

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