[all-commits] [llvm/llvm-project] cee60a: [RISCV] Remove dead early exit in performCombineVM...

Luke Lau via All-commits all-commits at lists.llvm.org
Wed Jan 17 04:28:43 PST 2024


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cee60a80101dbc2494865910fc7acef4fcab42bd
      https://github.com/llvm/llvm-project/commit/cee60a80101dbc2494865910fc7acef4fcab42bd
  Author: Luke Lau <luke at igalia.com>
  Date:   2024-01-17 (Wed, 17 Jan 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp

  Log Message:
  -----------
  [RISCV] Remove dead early exit in performCombineVMergeAndVOps. NFC

Because a masked instruction always has a tied dest (because it has a
passthru), the early exit if Merge is an implicit def will have always already
been taken in the branch above that handles HasTiedDest.




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