[all-commits] [llvm/llvm-project] 2f9dfd: [IR] Simplify scalable vector handling in ShuffleV...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2f9dfdfb35bdb10334b09476a47dc1d93beea96c
      https://github.com/llvm/llvm-project/commit/2f9dfdfb35bdb10334b09476a47dc1d93beea96c
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-06-10 (Tue, 10 Jun 2025)

  Changed paths:
    M llvm/lib/IR/Instructions.cpp

  Log Message:
  -----------
  [IR] Simplify scalable vector handling in ShuffleVectorInst::getShuffleMask. NFC (#143596)

Combine the scalable vector UndefValue check with the earlier
ConstantAggregateZero handling for fixed and scalable vectors.

Assert that the rest of the code is only reached for fixed vectors.

Use append instead of resize since we know the size is increasing.



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