llvm-project

b05ccaf4 - Revert "[SLP]Improve minbitwidth analysis for trun'ed gather nodes."

Revert "[SLP]Improve minbitwidth analysis for trun'ed gather nodes." This reverts commit 6425f2d66740b84fc3027b649cd4baf660c384e8 to fix the buildbost issues reported in https://lab.llvm.org/buildbot/#/builders/95/builds/1404.