[all-commits] [llvm/llvm-project] eae1ec: [SelectionDAG] Handle scalable INSERT_SUBVECTOR in...

[Pkuyo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eae1ec7b1d6752d7d94214e4beaf724ce560aed2
      https://github.com/llvm/llvm-project/commit/eae1ec7b1d6752d7d94214e4beaf724ce560aed2
  Author: Pkuyo <miku_mi at foxmail.com>
  Date:   2026-09-13 (Sun, 13 Sep 2026)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/test/CodeGen/AArch64/sve-insert-vector.ll

  Log Message:
  -----------
  [SelectionDAG] Handle scalable INSERT_SUBVECTOR in ComputeNumSignBits (#221631)

Handle scalable INSERT_SUBVECTOR in SelectionDAG as a pre-fix for
#220976.

Add coverage for scalable subvectors and fixed subvectors inserted into
scalable vectors.



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