================
@@ -2479,6 +2491,15 @@ class slpvectorizer::BoUpSLP {
const SmallDenseSet<unsigned, 8> &NodesToKeepBWs, unsigned
&MaxDepthLevel,
bool &IsProfitableToDemote, bool IsTruncRoot) const;
+ /// \returns the load saving credited to the vectorized load bundle \p TE
+ /// that never materializes on a target whose consecutive scalar loads
+ /// coalesce into the same wide access, or zero if \p LoadSavings keeps it.
+ /// Only clean bundles with no reordering, reuse or bit-width reduction lose
+ /// the saving.
+ InstructionCost
+ getCoalescedLoadPhantomSaving(const TreeEntry &TE,
+ CoalescedLoadSavings LoadSavings) const;
----------------
alexey-bataev wrote:
Also looks like a part of TTI, not SLP
https://github.com/llvm/llvm-project/pull/228903
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