[PATCH] D23347: [AVX512] Fix insertelement i1 lowering.

Elena Demikhovsky via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 10 06:42:07 PDT 2016


delena added a comment.

clear -> clean


================
Comment at: lib/Target/X86/X86ISelLowering.cpp:12644
@@ +12643,3 @@
+
+  unsigned NumElems = VecVT.getVectorNumElements();
+  SmallVector<int, 64> MaskVec(NumElems);
----------------
You can do this if IdxVal !=0 and Vec is defined.
Otherwise it can be done cheaper with shifts and "or"s


Repository:
  rL LLVM

https://reviews.llvm.org/D23347





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