message: Modifying storeInst for latest llvm builds.
diff: @@ -916,16 +916,17 @@ restart:
  llvm::PointerType::get(storeType, 0), name, callInst);
  lCopyMetadata(castPtr, callInst);
  - llvm::StoreInst *storeInst = new llvm::StoreInst(rvalue, castPtr, (llvm::Instruction *)NULL);
  int align;
  if (g->opt.forceAlignedMemory)
  align = g->target->getNativeVectorAlignment();
  else
  align = callInst->getCalledFunction() == avxMaskedStore32 ? 4 : 8;
  #if ISPC_LLVM_VERSION <= ISPC_LLVM_9_0
  + llvm::StoreInst *storeInst = new llvm::StoreInst(rvalue, castPtr, (llvm::Instruction *)NULL);
  storeInst->setAlignment(align);
  -#else // LLVM 10.0+
  - storeInst->setAlignment(llvm::MaybeAlign(align).valueOrOne());
  +#else
  + llvm::StoreInst *storeInst = new llvm::StoreInst(rvalue, castPtr, (llvm::Instruction *)NULL,
  + llvm::MaybeAlign(align).valueOrOne());
  #endif
  lCopyMetadata(storeInst, callInst);
  llvm::ReplaceInstWithInst(callInst, storeInst);
  