C++ (Cpp) SILFunction::getTypeLowering示例

示例#1

文件： SILMem2Reg.cpp 项目： gringoireDM/swift

static void replaceDestroy(DestroyAddrInst *DAI, SILValue NewValue) {
  SILFunction *F = DAI->getFunction();

  assert(DAI->getOperand()->getType().isLoadable(*F) &&
         "Unexpected promotion of address-only type!");

  assert(NewValue && "Expected a value to release!");

  SILBuilderWithScope Builder(DAI);

  auto Ty = DAI->getOperand()->getType();
  auto &TL = F->getTypeLowering(Ty);

  bool expand = shouldExpand(DAI->getModule(),
                             DAI->getOperand()->getType().getObjectType());
  using TypeExpansionKind = Lowering::TypeLowering::TypeExpansionKind;
  auto expansionKind = expand ? TypeExpansionKind::MostDerivedDescendents
                              : TypeExpansionKind::None;
  TL.emitLoweredDestroyValue(Builder, DAI->getLoc(), NewValue, expansionKind);
  DAI->eraseFromParent();
}