[PATCH] D79100: [LV][TTI] Emit new IR intrinsic llvm.get.active.mask

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

What are the semantics of llvm.get.active.mask?  I don't see an actual description anywhere beyond "it enables tail folding, somehow".



================
Comment at: llvm/include/llvm/IR/Intrinsics.td:1420
+  Intrinsic<[llvm_anyvector_ty],
+            [llvm_anyvector_ty], [IntrNoDuplicate]>;
+
----------------
I assume you meant to write LLVMMatchType<0>


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79100/new/

https://reviews.llvm.org/D79100