Joe Ellis 2ed7db0d20 [InstSimplify] Remove redundant {insert,extract}_vector intrinsic chains ...

This commit removes some redundant {insert,extract}_vector intrinsic
chains by implementing the following patterns as instsimplifies:

   (insert_vector _, (extract_vector X, 0), 0) -> X
   (extract_vector (insert_vector _, X, 0), 0) -> X

Reviewed By: peterwaller-arm

Differential Revision: https://reviews.llvm.org/D101986

2021-05-13 16:09:50 +00:00

1.5 KiB

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