[SVE] Remove calls to VectorType::getNumElements from CodeGen

Reviewers: efriedma, fpetrogalli, sdesmalen, RKSimon, arsenm

Reviewed By: RKSimon

Subscribers: wdng, tschuett, hiraditya, rkruppe, psnobl, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D82210
diff --git a/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp b/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp
index 5b346ae..f713192 100644
--- a/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp
+++ b/llvm/lib/CodeGen/InterleavedLoadCombinePass.cpp
@@ -1200,7 +1200,8 @@
   IRBuilder<> Builder(InsertionPoint);
   Type *ETy = InterleavedLoad.front().SVI->getType()->getElementType();
   unsigned ElementsPerSVI =
-      InterleavedLoad.front().SVI->getType()->getNumElements();
+      cast<FixedVectorType>(InterleavedLoad.front().SVI->getType())
+          ->getNumElements();
   FixedVectorType *ILTy = FixedVectorType::get(ETy, Factor * ElementsPerSVI);
 
   SmallVector<unsigned, 4> Indices;