db8566250fe93a55d9471ad160c8d7c4335f4749 - platform_external_llvm

commit	db8566250fe93a55d9471ad160c8d7c4335f4749	[log] [tgz]
author	Simon Pilgrim <llvm-dev@redking.me.uk>	Thu Jul 14 23:05:09 2016 +0000
committer	Simon Pilgrim <llvm-dev@redking.me.uk>	Thu Jul 14 23:05:09 2016 +0000
tree	ac5f1eecafc0cccc8f4265829c8529d196ee3f7e
parent	81a5520fe8c3b7670d27f3f89fbd3a6a9ce5ca2b [diff]

[X86][AVX2] Allow VPERMPD/VPERMQ shuffles to call combineShuffle (reapplied)

This improves the situation discussed in D19228 where we were forcing VPERMPD/VPERMQ where VPERM2F128/VPERM2I128 would have been better.

This was incorrectly reverted in rL275421 during triage of PR28552.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275497 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp[diff]
test/CodeGen/X86/avx-vperm2x128.ll[diff]
test/CodeGen/X86/avx2-intrinsics-fast-isel.ll[diff]
test/CodeGen/X86/vector-shuffle-256-v16.ll[diff]
test/CodeGen/X86/vector-shuffle-256-v32.ll[diff]
test/CodeGen/X86/vector-shuffle-256-v8.ll[diff]

6 files changed

tree: ac5f1eecafc0cccc8f4265829c8529d196ee3f7e