[PATCH] D18940: Loop vectorization with uniform load
Elena Demikhovsky via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 12 07:32:57 PDT 2016
delena added a comment.
> I don't mean the actual number.
> Did we assume that we needed VF number of loads for each element rather than a single one with a shuffle/broadcast?
Yes
The address computation cost is taken as VF * getAddressComputationCost(Ty, IsComplex)
IsComplex is true.
> Why not, if we know that it will be hoisted out?
I can change the cost to 0 and add comments.
Repository:
rL LLVM
http://reviews.llvm.org/D18940
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