[PATCH] D84601: [InstCombine] Fold freeze into phi if beneficial

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune created this revision.
aqjune added reviewers: nikic, spatel, lebedev.ri.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

This patch adds folding freeze into phi if it has only one operand to target.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D84601

Files:
  llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
  llvm/test/Transforms/InstCombine/freeze-phi.ll

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