[X86][AVX] Fold vf64 concat_vectors(movddup(x),movddup(x)) -> broadcast(x)
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 28 Feb 2019 10:53:58 +0000 (10:53 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 28 Feb 2019 10:53:58 +0000 (10:53 +0000)
commit87aeff8bbb47a4eafdd83e114220af4f2cd56a28
treead91e7365faaf72a86f9c0af0bebe877a2541c13
parent3b7beafc775d760f4fb4465bfee4c7eb8dba8a74
[X86][AVX] Fold vf64 concat_vectors(movddup(x),movddup(x)) -> broadcast(x)

llvm-svn: 355078
llvm/lib/Target/X86/X86ISelLowering.cpp
llvm/test/CodeGen/X86/widened-broadcast.ll