[all-commits] [llvm/llvm-project] 4b3a87: [Polly] Disable vectorization for Polly's fallback...

[Karthika Devi C via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4b3a878e8a24c13f8dc435e91304d8692d8cb42b
      https://github.com/llvm/llvm-project/commit/4b3a878e8a24c13f8dc435e91304d8692d8cb42b
  Author: Karthika Devi C <quic_kartc at quicinc.com>
  Date:   2024-12-11 (Wed, 11 Dec 2024)

  Changed paths:
    M polly/lib/CodeGen/CodeGeneration.cpp
    M polly/test/CodeGen/LoopParallelMD/single_loop_param_parallel.ll
    M polly/test/CodeGen/MemAccess/codegen_address_space.ll
    M polly/test/CodeGen/MemAccess/create_arrays.ll
    M polly/test/CodeGen/MemAccess/different_types.ll
    M polly/test/CodeGen/MemAccess/generate-all.ll
    M polly/test/CodeGen/OpenMP/alias-metadata.ll
    M polly/test/CodeGen/OpenMP/new_multidim_access.ll
    M polly/test/CodeGen/RuntimeDebugBuilder/combine_different_values.ll
    M polly/test/CodeGen/annotated_alias_scopes.ll
    M polly/test/CodeGen/non-affine-phi-node-expansion-2.ll
    M polly/test/CodeGen/non_affine_float_compare.ll
    M polly/test/CodeGen/partial_write_array.ll
    M polly/test/CodeGen/partial_write_impossible_restriction.ll
    M polly/test/CodeGen/phi_loop_carried_float.ll
    M polly/test/CodeGen/phi_loop_carried_float_escape.ll
    M polly/test/CodeGen/scev-backedgetaken.ll
    M polly/test/CodeGen/stmt_split_no_dependence.ll
    M polly/test/ScopInfo/int2ptr_ptr2int.ll
    M polly/test/ScopInfo/int2ptr_ptr2int_2.ll

  Log Message:
  -----------
  [Polly] Disable vectorization for Polly's fallback loops (#119188)

The patch sets the vectorization metadata to false for Polly's fallback
loops. These are the loops executed when RTCs fail. This minimizes the
multiple loop versioning carried out by Polly and subsequently by the
Loop Vectorizer.

---------

Co-authored-by: Michael Kruse <github at meinersbur.de>



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