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[X86][SSE] Add initial support for 2 input target shuffle combining.
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 5 Aug 2016 17:36:14 +0000 (17:36 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 5 Aug 2016 17:36:14 +0000 (17:36 +0000)
commitbdea1920766ee69914184bb75782fb5602396cd5
tree8566e0d6f4bae175fa4639ed29891ca6fdb3bd84
parent1249b27b0e7384429bf2438f99eee1fabaca2187
[X86][SSE] Add initial support for 2 input target shuffle combining.

At the moment only the INSERTPS matching can actually use 2 inputs but the plumbing is now in place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277839 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/buildvec-insertvec.ll
test/CodeGen/X86/vector-shuffle-128-v4.ll