[PATCH] D103755: [DAG] Fold neg(bvsplat(neg(x)) -> bvsplat(x)

[Dave Green via Phabricator via llvm-commits]

dmgreen added inline comments.


================
Comment at: llvm/test/CodeGen/AArch64/neon-shift-neg.ll:567
 
 define <vscale x 16 x i8> @subsub(<vscale x 16 x i8> %a, i8 %b) {
 ; CHECK-LABEL: subsub:
----------------
sdesmalen wrote:
> It seems odd to have a  scalable-vector test in `neon-shift-neg.ll` ? (I actually can't find this test in latest HEAD, am I looking at the right diff?) 
Yeah.. The same pattern of negated shifts does not apply for SVE (which makes it a little less useful). I've added a more direct test in 77ae9b364a9d9b99501163761313cefbb345cea7.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103755/new/

https://reviews.llvm.org/D103755