[llvm] [RISCV] Fix build failure in getIntrinsicInstrCost (PR #151210)

[Craig Topper via llvm-commits]

================
@@ -1254,7 +1254,7 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
     Type *SrcTy = ICA.getArgTypes().front();
     auto SrcLT = getTypeLegalizationCost(SrcTy);
     if (ST->hasVInstructions() && LT.second.isVector()) {
-      ArrayRef<unsigned> Ops;
+      SmallVector<unsigned> Ops;
----------------
topperc wrote:

Set the size to 2 since we know the worst case?

https://github.com/llvm/llvm-project/pull/151210