[all-commits] [llvm/llvm-project] 463946: [DAG][X86] Add TargetLowering::isSplatValueForTarg...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4639461531e7325458dc6a37bc6d857c0df109f7
      https://github.com/llvm/llvm-project/commit/4639461531e7325458dc6a37bc6d857c0df109f7
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-12-22 (Wed, 22 Dec 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLowering.h
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/lib/Target/X86/X86ISelLowering.h
    M llvm/test/CodeGen/X86/pr15296.ll
    M llvm/test/CodeGen/X86/vector-shift-ashr-256.ll

  Log Message:
  -----------
  [DAG][X86] Add TargetLowering::isSplatValueForTargetNode override

Add callback to enable us to test target nodes if they are splat vectors

Added some basic X86ISD::VBROADCAST + X86ISD::VBROADCAST_LOAD handling