[PATCH] D43738: [X86] Use target independent zero_extend/sign_extend nodes for vectors with same number of elements.

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 26 03:56:03 PST 2018

RKSimon added a comment.

We seem to be doing a LOT of work to adhere to the limitations of ISD::*_EXTEND_VECTOR_INREG - would it be too drastic to change the rules to allow the input vector to be smaller in size, maybe require it to be a legal type?


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