[all-commits] [llvm/llvm-project] f00a7a: [DAG] Fold insert_subvector (splat X), (splat X), ...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f00a7a49bde2504a08777bffdb85bce0c4bff83c
      https://github.com/llvm/llvm-project/commit/f00a7a49bde2504a08777bffdb85bce0c4bff83c
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2025-07-08 (Tue, 08 Jul 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/RISCV/rvv/insert-subvector.ll

  Log Message:
  -----------
  [DAG] Fold insert_subvector (splat X), (splat X), N2 - > splat X (#147380)

If we're inserting a splat into a splat of the same value, then
regardless of the index, the result is simply a splat of that value.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications