[PATCH] D68854: [X86] add mayRaiseFPException flag and FPCW registers for X87 instructions

[Simon Pilgrim via Phabricator via cfe-commits]

RKSimon added a comment.

@LiuChen3 @craig.topper This has broken EXPENSIVE_CHECKS builds, please can you take a look? http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-ubuntu/builds/184/


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D68854/new/

https://reviews.llvm.org/D68854