[SVE] Remove isScalable from Bitcode

Reviewers: efriedma, dexonsmith, tejohnson, sdesmalen

Reviewed By: efriedma

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

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77695

llvm/lib/Bitcode/Writer/BitcodeWriter.cpp

@@ -957,8 +957,8 @@ void ModuleBitcodeWriter::writeTypeTable() {
       Code = bitc::TYPE_CODE_VECTOR;
       TypeVals.push_back(VT->getNumElements());
       TypeVals.push_back(VE.getTypeID(VT->getElementType()));
-      if (VT->isScalable())
-        TypeVals.push_back(VT->isScalable());
+      if (isa<ScalableVectorType>(VT))
+        TypeVals.push_back(true);
       break;
     }
     }