[PATCH] D91362: [SelectionDAG] Add llvm.vector.{extract,insert} intrinsics

[Joe Ellis via Phabricator via llvm-commits]

joechrisellis created this revision.
joechrisellis added reviewers: paulwalker-arm, peterwaller-arm, fpetrogalli, DavidTruby.
Herald added subscribers: llvm-commits, ecnelises, jdoerfert, hiraditya.
Herald added a project: LLVM.
joechrisellis requested review of this revision.

This commit adds two new intrinsics.

- llvm.vector.insert: used to insert a vector into another vector starting at a given index.

- llvm.vector.extract: used to extract a subvector from a larger vector starting from a given index.

The codegen work for these intrinsics has already been completed; this
commit is simply exposing the existing ISD nodes to LLVM IR.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D91362

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/IR/Intrinsics.td
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

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