Florian Hahn 0f607f3df5 [VPlan] Simplify 'or x, true' -> true. ...

Add additional OR simplification to fix a divergence between legacy and
VPlan-based cost model.

This adds a new m_AllOnes matcher by generalizing specific_intval to
int_pred_ty, which takes a predicate to check to support matching both
specific APInts and other APInt predices, like isAllOnes.

Fixes https://github.com/llvm/llvm-project/issues/131359.

2025-04-13 12:09:40 +01:00

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