================
@@ -17575,9 +17575,22 @@ BoUpSLP::getEntryCost(const TreeEntry *E,
ArrayRef<Value *> VectorizedVals,
unsigned OpIdx = isa<UnaryOperator>(VL0) ? 0 : 1;
TTI::OperandValueInfo Op1Info = getOperandInfo(E->getOperand(0));
TTI::OperandValueInfo Op2Info = getOperandInfo(E->getOperand(OpIdx));
+ // A target may price an fmul by the fadd or fsub user of its context.
----------------
alexey-bataev wrote:
Then target shall consider it in TTI, it should not be SLP decision
https://github.com/llvm/llvm-project/pull/228902
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