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[X86][AVX] Prefer to combine shuffle to broadcasts whenever possible
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 30 Jan 2019 16:19:19 +0000 (16:19 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 30 Jan 2019 16:19:19 +0000 (16:19 +0000)
commit52a44943a559667597ba9ca52f18f97b22824580
treef9039bb85a0a36bf984549515e7a208a1f426928tree | snapshot
parentb739c0c2b781a0b63297e9204d8de4e266d1b5cacommit | diff
[X86][AVX] Prefer to combine shuffle to broadcasts whenever possible

This is the first step towards improving broadcast support on AVX1 targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@352634 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/sse3-avx-addsub-2.ll diff | blob | history
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