[NFC][SROA] speculateSelectInstLoads(): play nice with typed pointers for now

As requested in https://reviews.llvm.org/D138238#inline-1356685

Author: LebedevRI

llvm/lib/Transforms/Scalar/SROA.cpp

@@ -1518,6 +1518,14 @@ static void speculateSelectInstLoads(SelectInst &SI, LoadInst &LI,
 
   assert(LI.isSimple() && "We only speculate simple loads");
 
+  if (auto *TypedPtrTy = LI.getType()->getPointerTo();
+      SI.getType() != TypedPtrTy) {
+    TV = BitCastInst::CreatePointerBitCastOrAddrSpaceCast(TV, TypedPtrTy, "",
+                                                          &LI);
+    FV = BitCastInst::CreatePointerBitCastOrAddrSpaceCast(FV, TypedPtrTy, "",
+                                                          &LI);
+  }
+
   IRB.SetInsertPoint(&LI);
   LoadInst *TL =
       IRB.CreateAlignedLoad(LI.getType(), TV, LI.getAlign(),