[PATCH] D9804: Optimize scattered vector insert/extract pattern

[Lawrence Hu]

Forgot to mention, I investigated why the cost function doesn't allow further processing:  it is because the loads in my example are not from consecutive memory location, then gather operation is need, when NeedGather is true, the cost function won't allow further vectorization.


Repository:
  rL LLVM

http://reviews.llvm.org/D9804