[PATCH] D38046: [AtomicExpandPass][X86] set MaxAtomicSizeInBitsSupported according to the target

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

I would rather just fix clang (in lib/Basic/Targets/X86.cpp) to fix the bug, then handle the backend changes from https://reviews.llvm.org/D18201 together.


Repository:
  rL LLVM

https://reviews.llvm.org/D38046