[PATCH] D17041: [X86] Don't assume that a shuffle operand is #0: it isn't for VPERMV.

[Simon Pilgrim via llvm-commits]

RKSimon added a comment.

In http://reviews.llvm.org/D17041#367330, @ab wrote:

> So, I don't think the VPERMV3 case is currently reachable (and boy did I try):


Thanks for trying Ahmed! You may have more luck after applying http://reviews.llvm.org/D17858 - not guaranteeing anything though.

I'd recommend keeping the code in for now - its going to be needed sooner rather than later.


Repository:
  rL LLVM

http://reviews.llvm.org/D17041