[llvm] [IRTranslator][RISCV] Support scalable vector zeroinitializer. (PR #108666)

[Thorsten Schütt via llvm-commits]

================
@@ -3528,8 +3528,11 @@ bool IRTranslator::translate(const Constant &C, Register Reg) {
     Register AddrDisc = getOrCreateVReg(*CPA->getAddrDiscriminator());
     EntryBuilder->buildConstantPtrAuth(Reg, CPA, Addr, AddrDisc);
   } else if (auto CAZ = dyn_cast<ConstantAggregateZero>(&C)) {
-    if (!isa<FixedVectorType>(CAZ->getType()))
-      return false;
+    if (!isa<FixedVectorType>(CAZ->getType())) {
----------------
tschuett wrote:

I don't like the not, but ...

`isa<ScalableVectorType>(CAZ->getType())`

https://github.com/llvm/llvm-project/pull/108666