[llvm] [ExpandLargeFpConvert] Scalarize vector types. (PR #86954)

[Matt Arsenault via llvm-commits]

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@@ -568,8 +568,30 @@ static void expandIToFP(Instruction *IToFP) {
   IToFP->eraseFromParent();
 }
 
+static void scalarize(Instruction *I, SmallVectorImpl<Instruction *> &Replace) {
+  VectorType *VTy = cast<VectorType>(I->getType());
+  assert(!VTy->isScalableTy() && "Tried to scalarize scalable vector!");
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arsenm wrote:

Just cast<FixedVectorType> 

https://github.com/llvm/llvm-project/pull/86954