Simon Pilgrim 0a12c239b6 [X86] truncateVectorCompareWithPACKSS - use PACKSSDW/PACKSSWB instead of just PACKSSWB.
By using the widest type possible for PACKSS truncation we have a better chance of being able to peek through bitcasts and improves other combines driven by ComputeNumSignBits.

llvm-svn: 316448
2017-10-24 15:38:16 +00:00
..
2017-10-19 01:32:18 +00:00
2017-10-16 20:48:19 +00:00