[all-commits] [llvm/llvm-project] 43e7d9: [InstCombine] Fold extractvalue of phi

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 43e7d9af1d319693b3302560b447366ba359f1a2
      https://github.com/llvm/llvm-project/commit/43e7d9af1d319693b3302560b447366ba359f1a2
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-09-01 (Thu, 01 Sep 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
    M llvm/test/Transforms/InstCombine/phi-extractvalue.ll

  Log Message:
  -----------
  [InstCombine] Fold extractvalue of phi

Just as we do for most other operations, we should push
extractvalue instructions through phis, if this does not increase
unfolded instruction count.