[DAG] Add MaskedVectorIsZero helper
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 19 Jun 2022 16:56:17 +0000 (17:56 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 19 Jun 2022 16:56:30 +0000 (17:56 +0100)
commitba3f2667b60cf730105dc6f3146e67b1b938a348
tree12538be889e6862a4b745d2648b4cbd81a1f9974
parentaa88161b378ecb49388eefc28abe2926a229bcfc
[DAG] Add MaskedVectorIsZero helper

Equivalent to MaskedValueIsZero, except its checking if all of the demanded vectors elements are known to be zero
llvm/include/llvm/CodeGen/SelectionDAG.h
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
llvm/lib/Target/X86/X86ISelLowering.cpp