[PATCH] D76707: [DAGCombine] Add basic optimizations for FREEZE in SelDag

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune updated this revision to Diff 252358.
aqjune added a comment.

Don't create a redundant instruction


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D76707/new/

https://reviews.llvm.org/D76707

Files:
  llvm/include/llvm/CodeGen/SelectionDAG.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/test/CodeGen/X86/fast-isel-freeze.ll
  llvm/test/CodeGen/X86/freeze-legalize.ll

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