[PATCH] D62392: [DAGCombine][ARM] (sub Carry, X) -> (addcarry (sub 0, X), 0, Carry) fold

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D62392#1592596 <https://reviews.llvm.org/D62392#1592596>, @deadalnix wrote:

> @lebedev.ri I think these are reasonable assumptions. Just add a test case for X86 and this is good to go as far as I'm concerned.


Added x86 test and landed.


Repository:
  rL LLVM

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  https://reviews.llvm.org/D62392/new/

https://reviews.llvm.org/D62392