[PATCH] D9094: Fold EXTRACT_VECTOR_ELT(BUILD_VECTOR(Elt[0], ...), CstX ) -> Elt[CstX]

Mehdi AMINI via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 12 18:47:37 PDT 2015


joker.eph added a comment.

http://reviews.llvm.org/D13655 implements this transformation, but the example I added here `v_movQi8_double` is probably still a missing optimization in the ARM backend.


http://reviews.llvm.org/D9094





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