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[X86][AVX] Combine INSERT_SUBVECTOR(SRC0, EXTRACT_SUBVECTOR(SRC1)) as shuffle
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 21 Jun 2019 18:35:04 +0000 (18:35 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 21 Jun 2019 18:35:04 +0000 (18:35 +0000)
commit59c7547c88a2017dddc7854028d9175a773a9df6
treecab76fa3433d3826cc131f76c3a96ddbd2f8c121
parent2cc88925acb3b6369891f3a93344536ea2b24242
[X86][AVX] Combine INSERT_SUBVECTOR(SRC0, EXTRACT_SUBVECTOR(SRC1)) as shuffle

Subvector shuffling often ends up as insert/extract subvector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364090 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/var-permute-128.ll
test/CodeGen/X86/var-permute-256.ll
test/CodeGen/X86/vector-shuffle-256-v4.ll
test/CodeGen/X86/vector-shuffle-256-v8.ll
test/CodeGen/X86/vector-shuffle-512-v8.ll