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(parent: 2ee46c7) | patch
[X86] Add test case for missed opportunity to recognize a vXi1 shuffle as an insert...
authorCraig Topper <craig.topper@intel.com>
Mon, 19 Aug 2019 00:39:18 +0000 (00:39 +0000)
committerCraig Topper <craig.topper@intel.com>
Mon, 19 Aug 2019 00:39:18 +0000 (00:39 +0000)
commitc9ee4c7c2207e48c5afaf4de7e2cb241a6837681
treec5dca58c4a7ebcc51a6bc9b28b024fc407dd0f13tree | snapshot
parent2ee46c7c4be1be5fa48af39232f62cf26d742efacommit | diff
[X86] Add test case for missed opportunity to recognize a vXi1 shuffle as an insert into a zero vector.

We are currently missing this because shuffle canonicalization
puts the zero vector as V1 and the subvector as V2. Our current
code doesn't recognize this case.

llvm-svn: 369225
llvm/test/CodeGen/X86/avx512-skx-insert-subvec.ll diff | blob | history
Domain: System / Toolchain;