forked from OSchip/llvm-project
ce39278f25
Reverse the logic for valid tail predication instructions and create a whitelist instead. Added other instruction groups that aren't obviously safe: - instructions that 'narrow' their result. - lane moves. - byte swapping instructions. - interleaving loads and stores. - cross-beat carries. - top/bottom instructions. - complex operations. Hopefully we should be able to add more of these instructions to the whitelist, once we have a more concrete idea of the transform. Differential Revision: https://reviews.llvm.org/D67904 llvm-svn: 374887 |
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