================
@@ -8362,9 +8362,20 @@ 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));
- return TTI->getArithmeticInstrCost(ShuffleOrOp, VecTy, CostKind, Op1Info,
- Op2Info) +
- CommonCost;
+ auto VecCost = TTI->getArithmeticInstrCost(ShuffleOrOp, VecTy, CostKind,
+ Op1Info, Op2Info);
+ // Some targets can replace frem with vector library calls.
+ if (ShuffleOrOp == Instruction::FRem) {
+ LibFunc Func;
+ if (TLI->getLibFunc(ShuffleOrOp, ScalarTy, Func) &&
+ TLI->isFunctionVectorizable(TLI->getName(Func),
+ VecTy->getElementCount())) {
----------------
alexey-bataev wrote:
Better to teach TTI about TLI rather than do something like this in SLP. SLP
should keep its target independent nature, all that target-specific stuff
should live in TTI
https://github.com/llvm/llvm-project/pull/82488
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