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

[Pengcheng Wang via llvm-commits]

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@@ -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;
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wangpc-pp wrote:

I think we don't want scalable types here.

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