[all-commits] [llvm/llvm-project] a53772: [LLVM][DAGCombine] Remove combiner-vector-fcopysig...

Paul Walker via All-commits all-commits at lists.llvm.org
Wed Mar 5 07:31:56 PST 2025


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a5377240696fa736be5ef6ff226d83761e462dc2
      https://github.com/llvm/llvm-project/commit/a5377240696fa736be5ef6ff226d83761e462dc2
  Author: Paul Walker <paul.walker at arm.com>
  Date:   2025-03-05 (Wed, 05 Mar 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/sve-fcopysign.ll
    M llvm/test/CodeGen/AArch64/sve-fixed-length-fcopysign.ll
    M llvm/test/CodeGen/AArch64/sve2-fcopysign.ll
    M llvm/test/CodeGen/AArch64/sve2-fixed-length-fcopysign.ll

  Log Message:
  -----------
  [LLVM][DAGCombine] Remove combiner-vector-fcopysign-extend-round. (#129878)

This option was added to improve test coverage for SVE lowering code
that is impossible to reach otherwise. Given it is not possible to
trigger a bug without it and the generated code is universally worse
with it, I figure the option has no value and should be removed.



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