[all-commits] [llvm/llvm-project] e28179: [X86] Drop single use check for freeze(undef) in L...

[ManuelJBrito via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e2817933fdd4417673eb7f96a2842ae2dca8fc59
      https://github.com/llvm/llvm-project/commit/e2817933fdd4417673eb7f96a2842ae2dca8fc59
  Author: ManuelJBrito <manuel.brito at tecnico.ulisboa.pt>
  Date:   2023-03-09 (Thu, 09 Mar 2023)

  Changed paths:
    A clang/test/CodeGen/X86/avx-cast-builtins.c
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/avx512-intrinsics.ll
    M llvm/test/CodeGen/X86/avx512fp16-intrinsics.ll

  Log Message:
  -----------
  [X86] Drop single use check for freeze(undef) in LowerAVXCONCAT_VECTORS

Ignoring freeze(undef) if it has multiple uses in LowerAVXCONCAT_VECTORS
causes the custom INSERT_SUBVECTOR for vector widening to be ignored.

Differential Revision: https://reviews.llvm.org/D144903