[PATCH] D62450: [DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node.

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri May 31 14:25:10 PDT 2019

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efriedma added a comment.

Can you add test coverage for some other target, maybe x86?

Can you add test coverage for a few more variations?  Maybe something with SUBCARRY?


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62450/new/

https://reviews.llvm.org/D62450

Previous message: [PATCH] D62450: [DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node.
Next message: [PATCH] D62392: [DAGCombine][ARM] (sub Carry, X) -> (addcarry (sub 0, X), 0, Carry) fold
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