[PATCH] D56771: [X86] Use X86ISD::BLENDV for blendv intrinsics. Replace vselect with blendv just before isel table lookup. Remove vselect isel patterns.

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 16 02:03:27 PST 2019


RKSimon added inline comments.


================
Comment at: lib/Target/X86/X86ISelDAGToDAG.cpp:3385
+  case ISD::VSELECT: {
+    // Replace VSELECT with non-mask conditions with with BLENDV.
+    if (Node->getOperand(0).getValueType().getVectorElementType() == MVT::i1)
----------------
worth asserting that SSE41 is present?


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56771/new/

https://reviews.llvm.org/D56771





More information about the llvm-commits mailing list