[all-commits] [llvm/llvm-project] 7931a8: [VectorCombine] Scalarize vector intrinsics with s...

[Luke Lau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7931a8f102980185f51f251f808552764dbbfd99
      https://github.com/llvm/llvm-project/commit/7931a8f102980185f51f251f808552764dbbfd99
  Author: Luke Lau <luke at igalia.com>
  Date:   2025-07-02 (Wed, 02 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VectorCombine.cpp
    M llvm/test/Transforms/VectorCombine/intrinsic-scalarize.ll

  Log Message:
  -----------
  [VectorCombine] Scalarize vector intrinsics with scalar arguments (#146530)

Some intrinsics like llvm.abs or llvm.powi have a scalar argument even
when the overloaded type is a vector.
This patch handles these in scalarizeOpOrCmp to allow scalarizing them.

In the test the leftover vector powi isn't folded away to poison, this
should be fixed in a separate patch.



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