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[X86] Add test case for v8i64->v8i8 truncate with avx512 and prefer-vector-width...
authorCraig Topper <craig.topper@intel.com>
Thu, 3 Oct 2019 06:18:45 +0000 (06:18 +0000)
committerCraig Topper <craig.topper@intel.com>
Thu, 3 Oct 2019 06:18:45 +0000 (06:18 +0000)
commitd698e4446a2d8e683f7fe289b7d31f0780a38407
tree41f5a1dbe41e45bacd887c16e81e4055be1d306dtree | snapshot
parent6e45beba86221def2571af2b4e3f00ea8b8f5643commit | diff
[X86] Add test case for v8i64->v8i8 truncate with avx512 and prefer-vector-width/min-legal-vector-width=256. NFC

With vpmovqb, we should be able to do better here until we get
AVX512VBMI on Cannonlake/Icelake.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@373569 91177308-0d34-0410-b5e6-96231b3b80d8
test/CodeGen/X86/min-legal-vector-width.ll diff | blob | history
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