[llvm] [TailRecElim] Handle discarded-call return conflicts with a shift accumulator (PR #221694)

[Antonio Frighetto via llvm-commits]

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antoniofrighetto wrote:

I wonder if this routine and canTransformAccumulatorRecursion() should instead be private methods of TailRecursionEliminator class (so we wouldn't thread RetSelects over these two helpers).

https://github.com/llvm/llvm-project/pull/221694