[all-commits] [llvm/llvm-project] 81ac46: [InstCombine] Support vectors in icmp of GEP fold

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 81ac46445b640ad48158ab84065858c873bc5b74
      https://github.com/llvm/llvm-project/commit/81ac46445b640ad48158ab84065858c873bc5b74
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-01-02 (Mon, 02 Jan 2023)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
    M llvm/test/Transforms/InstCombine/opaque-ptr.ll

  Log Message:
  -----------
  [InstCombine] Support vectors in icmp of GEP fold

EmitGEPOffset() supports vector GEPs nowadays, so we don't need
any further code changes.

compare_gep_with_base_vector1 shows a weakness in folding the
resulting comparison if an index splat has to be performed.