[PATCH] D108871: [AArch64] Implement target hook function to decide folding (mul (add x, c1), c2)

[Ben Shi via Phabricator via llvm-commits]

benshi001 created this revision.
benshi001 added reviewers: t.p.northover, dmgreen, efriedma, brad, SjoerdMeijer.
Herald added subscribers: steven.zhang, kristof.beyls.
benshi001 requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Prevent the folding in DAGCombine if it leads to worse code.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108871

Files:
  llvm/test/CodeGen/AArch64/addimm-mulimm.ll

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