tree e0cab5c8b81bfdb8781532e6abc478c1da05aaea
parent a29da906bf910a32de3a81ef43d6ec43f138f2ab
author Nicolas Capens <capn@google.com> 1481313363 -0500
committer Nicolas Capens <nicolascapens@google.com> 1481322562 +0000

Generalize vector shuffling to accept any operand.

The arguments get legalized to Reg or Mem, so we can allow constants
as well (including undef values). This change makes all instruction's
source arguments Ice::Operands.

BUG=swiftshader:24

Change-Id: I1659cdfdb1b8a12c4acc7c473211d8a67bfd5868
Reviewed-on: https://chromium-review.googlesource.com/418504
Reviewed-by: Jim Stichnoth <stichnot@chromium.org>