[PATCH] D124743: [DAGCombine] Add node in the worklist in topological order in CombineTo

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 426478.
deadalnix added a comment.

Rebase on top of D124756 <https://reviews.llvm.org/D124756> .

This ensures there is no regression for optimizd IR, so this is workable - even though there is probably a couple of improvements that the backend could benefit from.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124743/new/

https://reviews.llvm.org/D124743

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AArch64/arm64-abi-varargs.ll
  llvm/test/CodeGen/AArch64/pr51476.ll
  llvm/test/CodeGen/AArch64/swifterror.ll
  llvm/test/CodeGen/ARM/and-load-combine.ll
  llvm/test/CodeGen/ARM/swifterror.ll
  llvm/test/CodeGen/X86/and-with-overflow.ll
  llvm/test/CodeGen/X86/movmsk-cmp.ll
  llvm/test/CodeGen/X86/or-with-overflow.ll
  llvm/test/CodeGen/X86/pr51175.ll
  llvm/test/CodeGen/X86/vector-mulfix-legalize.ll
  llvm/test/CodeGen/X86/xor-with-overflow.ll

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