[PATCH] D17763: AVX512: Remove VSHRI kmask patterns from TD file

[Igor Breger via llvm-commits]

igorb added inline comments.

================
Comment at: lib/Target/X86/X86ISelLowering.cpp:4705
@@ +4704,3 @@
+  SDValue Undef = DAG.getUNDEF(WideOpVT);
+  SDValue WideSubVec = DAG.getNode(ISD::INSERT_SUBVECTOR, dl, WideOpVT,
+                                   Undef, SubVec, ZeroIdx);
----------------
delena wrote:
> if (OpVt == WideOpVT) you don't need insert
only in case SubVecVT == OpVT ,  don't think it is possible 


Repository:
  rL LLVM

http://reviews.llvm.org/D17763