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llvm/lib/Target/X86/Utils
Craig Topper 5109f3dedd [X86] Improve some shuffle decoding code to remove a conditional from a loop and reduce the number of temporary variables. NFCI
The NumControlBits variable was definitely sketchy. I think that only worked because the expected value was 1 or 2 and the number of lanes was 2 or 4. Had their been 8 lanes the number of bits should have been 3 not 4 as the previous code would have given.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@334258 91177308-0d34-0410-b5e6-96231b3b80d8
2018-06-08 01:09:31 +00:00
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