[Wdocumentation] improve wording of a warning messageBased on @davezarzycki remarks in D64696 improved the wording of thewarning message.Differential Revision: https://reviews.llvm.org/D66700Patch by Mark de Wever.llvm-svn: 369873
[Hexagon][x86] add tests for bit-test; NFCMore coverage for D66687(assuming we make this a generic combine with TLI hook).llvm-svn: 369874
[Hexagon] remove noise from tests; NFCllvm-svn: 369875