[all-commits] [llvm/llvm-project] 8859a4: [X86] LowerBUILD_VECTOR - don't use insert_element...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8859a4f630cb90d28f5dab993aa4aef0e915cd74
      https://github.com/llvm/llvm-project/commit/8859a4f630cb90d28f5dab993aa4aef0e915cd74
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-12-08 (Fri, 08 Dec 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    A llvm/test/CodeGen/X86/pr74736.ll

  Log Message:
  -----------
  [X86] LowerBUILD_VECTOR - don't use insert_element(constant, elt, idx) if we have a freeze(undef) element

Fixes #74736