[PATCH] D129905: [SDAG] Add test for DAGCombiner multiple result commutative CSE

Itay Bookstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Jul 16 00:57:58 PDT 2022


ibookstein added a comment.

Something very similar to the use-case demonstrated in the test: the computation of the high part of a 64x64->128 squaring emitted four 32-bit multiplications rather than three, on a 32-bit arch.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129905/new/

https://reviews.llvm.org/D129905



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