irtranslate scalable vector store

Author: jiahanxie353

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

@@ -1413,7 +1413,7 @@ bool IRTranslator::translateLoad(const User &U, MachineIRBuilder &MIRBuilder) {
 
 bool IRTranslator::translateStore(const User &U, MachineIRBuilder &MIRBuilder) {
   const StoreInst &SI = cast<StoreInst>(U);
-  if (DL->getTypeStoreSize(SI.getValueOperand()->getType()) == 0)
+  if (DL->getTypeStoreSize(SI.getValueOperand()->getType()).isZero())
     return true;
 
   ArrayRef<Register> Vals = getOrCreateVRegs(*SI.getValueOperand());

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

@@ -21006,7 +21006,8 @@ bool RISCVTargetLowering::fallBackToDAGISel(const Instruction &Inst) const {
   if (Op == Instruction::Add || Op == Instruction::Sub ||
       Op == Instruction::And || Op == Instruction::Or ||
       Op == Instruction::Xor || Op == Instruction::InsertElement ||
-      Op == Instruction::ShuffleVector || Op == Instruction::Load)
+      Op == Instruction::ShuffleVector || Op == Instruction::Load ||
+      Op == Instruction::Store)
     return false;
 
   if (Inst.getType()->isScalableTy())