[all-commits] [llvm/llvm-project] b43d7a: [DAG] visitINSERT_VECTOR_ELT - extend folding to B...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b43d7aacf80f5604a022a0907b65d07ed323fcf7
      https://github.com/llvm/llvm-project/commit/b43d7aacf80f5604a022a0907b65d07ed323fcf7
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-08-01 (Mon, 01 Aug 2022)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/X86/insertelement-zero.ll
    M llvm/test/CodeGen/X86/shuffle-combine-crash-3.ll
    M llvm/test/CodeGen/X86/vector-shuffle-avx512.ll

  Log Message:
  -----------
  [DAG] visitINSERT_VECTOR_ELT - extend folding to BUILD_VECTOR if all missing elements from an insertion chain are known zero