[PATCH] D152147: [RISCV] Fold binary op into select if profitable.

[Mikhail Gudim via Phabricator via llvm-commits]

mgudim updated this revision to Diff 540466.
mgudim added a comment.

addressed comments: 
(1) Moved definitions of `ConstSelOp` and `ConstSelOpNode` lower.
(2) Added check `DAG.isSafeToSpeculativelyExecute(...)` to check if commuting `select` and `binop` is legal.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D152147/new/

https://reviews.llvm.org/D152147

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/fold-binop-into-select.ll

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