[llvm] [RISCV] Support llvm.masked.expandload intrinsic (PR #101954)

[Luke Lau via llvm-commits]

================
@@ -1966,6 +1966,16 @@ bool RISCVTTIImpl::isLSRCostLess(const TargetTransformInfo::LSRCost &C1,
                   C2.ScaleCost, C2.ImmCost, C2.SetupCost);
 }
 
+bool RISCVTTIImpl::isLegalMaskedExpandLoad(Type *DataTy, Align Alignment) {
+  auto *VTy = dyn_cast<VectorType>(DataTy);
+  if (!VTy || VTy->isScalableTy())
+    return false;
----------------
lukel97 wrote:

```suggestion
  if (!isa<ScalableVectorType>(DataTy))
    return false;
```

https://github.com/llvm/llvm-project/pull/101954