[PATCH] D118351: [AMDGPU][GlobalISel] Code quality: remove unnecessary or, and, shift instructions

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

I think it would be better to do this by using a selection of existing combines if possible. For example binop_left_undef_to_zero + undef_to_int_zero + right_identity_zero should do most of this.


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  https://reviews.llvm.org/D118351/new/

https://reviews.llvm.org/D118351