[PATCH] D79814: [SelectionDAG] Require constant index for INSERT/EXTRACT_SUBVECTOR.

[Eli Friedman via Phabricator via llvm-commits]

efriedma created this revision.
efriedma added reviewers: sdesmalen, craig.topper, RKSimon.
Herald added subscribers: arphaman, hiraditya.
Herald added a project: LLVM.

A variable index sounds like an interesting idea in theory, but nothing is actually taking advantage of it, and specifying/implementing the edge cases is painful. So just forbid it.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D79814

Files:
  llvm/include/llvm/CodeGen/ISDOpcodes.h
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

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