[all-commits] [llvm/llvm-project] 8d4998: [X86] combineConcatVectorOps - add basic TRUNCATE ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8d4998b478028b08c6bc50a1b49573517a6e973c
      https://github.com/llvm/llvm-project/commit/8d4998b478028b08c6bc50a1b49573517a6e973c
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-03-09 (Thu, 09 Mar 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-trunc.ll

  Log Message:
  -----------
  [X86] combineConcatVectorOps - add basic TRUNCATE handling on AVX512 targets

This really should be in shuffle combining, but we're still struggling to handle mismatched vector sizes