[PATCH] D53521: [X86][BMI1] X86DAGToDAGISel: select BEXTR from x << (32 - y) >> (32 - y) pattern

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

Hm, that was weird.
Avoiding truncating to i8 and then inserting into IMPLICIT_DEF reg (which was kinda ugly anyway) appears to have pacified that buildbot.
Or, there were external factors, i.e. that was flaky false-positive.


Repository:
  rL LLVM

https://reviews.llvm.org/D53521