[all-commits] [llvm/llvm-project] 08f0aa: [IVDescriptors] Call getOpcode on demand in getRed...

[Mel Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 08f0aa48006a34ad24d70a500cf8e0c619f421bc
      https://github.com/llvm/llvm-project/commit/08f0aa48006a34ad24d70a500cf8e0c619f421bc
  Author: Mel Chen <mel.chen at sifive.com>
  Date:   2025-04-30 (Wed, 30 Apr 2025)

  Changed paths:
    M llvm/lib/Analysis/IVDescriptors.cpp

  Log Message:
  -----------
  [IVDescriptors] Call getOpcode on demand in getReductionOpChain. nfc (#118777)

Non-arithmetic reductions do not require the binary opcodes.
As a first step toward removing the dependency of non-arithmetic
reductions on `getOpcode` function, this patch refactors the
`getReductionOpChain` function.

In the future, once all users of `getOpcode` function are refactored, an
assertion can be added to `getOpcode` function to ensure that only
arithmetic reductions rely on it.



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