[PATCH] D81076: [PowerPC] Custom lower rotl v1i128 to vector_shuffle.

[Kai Luo via Phabricator via llvm-commits]

lkail added inline comments.
Herald added a subscriber: wuzish.


================
Comment at: llvm/lib/Target/PowerPC/PPCISelLowering.cpp:9628
+  if (SHLAmt % 8 == 0) {
+    SmallVector<int, 16> Mask = {0, 1, 2,  3,  4,  5,  6,  7,
+                                 8, 9, 10, 11, 12, 13, 14, 15};
----------------
Can we use `std::iota` and `std::rotate` to simplify such simulated rotation?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81076/new/

https://reviews.llvm.org/D81076