[PATCH] D130251: [DAGCombine] Mask doesn't have to be (EltSize - 1) exactly when combining rotation

[Daniel Thornburgh via Phabricator via llvm-commits]

mysterymath added a comment.

This seems to be hitting assertions when compiling BoringSSL:
https://luci-milo.appspot.com/ui/p/fuchsia/builders/ci/clang_toolchain.ci.core.x64-release/b8807566603550542609/overview

Haven't conclusively proven that it's this change, but it's the only one in the blamelist that could affect X86 ISel.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130251/new/

https://reviews.llvm.org/D130251