[PATCH] D144451: [X86] Optimize umax(X,1)

[Kazu Hirata via Phabricator via llvm-commits]

kazu added a comment.

Please take a look.

I settled on the idea of seeing trough `ISD::TRUNCATE`.  I tried sending `ISD::UMAX` of `MVT::i8` through `MVT::i64` to `LowerMINMAX` with `setOperationAction`, but I ended up seeing various differences in the generated code even without my actual change for the optimization.


Repository:
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  https://reviews.llvm.org/D144451/new/

https://reviews.llvm.org/D144451