本文整理汇总了C++中ApplyInst::getArgumentOperands方法的典型用法代码示例。如果您正苦于以下问题：C++ ApplyInst::getArgumentOperands方法的具体用法？C++ ApplyInst::getArgumentOperands怎么用？C++ ApplyInst::getArgumentOperands使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ApplyInst的用法示例。
在下文中一共展示了ApplyInst::getArgumentOperands方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: B
//.........这里部分代码省略.........
SILInstruction *CurrIns = Worklist.pop_back_val();
SILBasicBlock *CurrBB = CurrIns->getParent();
if (CurrBB->isEntry() && CurrBB != InitEnumBB) {
// reached prologue without encountering the init bb
return nullptr;
}
for (auto InsIt = ++CurrIns->getIterator().getReverse();
InsIt != CurrBB->rend(); ++InsIt) {
SILInstruction *Ins = &*InsIt;
if (Ins == DataAddrInst) {
// don't care about what comes before init enum in the basic block
break;
}
if (WriteSet.count(Ins) != 0) {
return nullptr;
}
}
if (CurrBB == InitEnumBB) {
continue;
}
// Go to predecessors and do all that again
for (SILBasicBlock *Pred : CurrBB->getPredecessorBlocks()) {
// If it's already in the set, then we've already queued and/or
// processed the predecessors.
if (Preds.insert(Pred).second) {
Worklist.push_back(&*Pred->rbegin());
}
}
}
}
if (SI) {
assert((SI->getDest() == DataAddrInst) &&
"Can't find StoreInst with DataAddrInst as its destination");
// In that case, create the payload enum/store.
EnumInst *E = Builder.createEnum(
DataAddrInst->getLoc(), SI->getSrc(), DataAddrInst->getElement(),
DataAddrInst->getOperand()->getType().getObjectType());
Builder.createStore(DataAddrInst->getLoc(), E, DataAddrInst->getOperand(),
StoreOwnershipQualifier::Unqualified);
// Cleanup.
eraseInstFromFunction(*SI);
eraseInstFromFunction(*DataAddrInst);
return eraseInstFromFunction(*IEAI);
}
// Check whether we have an apply initializing the enum.
// %iedai = init_enum_data_addr %enum_addr
// = apply(%iedai,...)
// inject_enum_addr %enum_addr
//
// We can localize the store to an alloc_stack.
// Allowing us to perform the same optimization as for the store.
//
// %alloca = alloc_stack
// apply(%alloca,...)
// %load = load %alloca
// %1 = enum $EnumType, $EnumType.case, %load
// store %1 to %nopayload_addr
//
assert(AI && "Must have an apply");
unsigned ArgIdx = 0;
Operand *EnumInitOperand = nullptr;
for (auto &Opd : AI->getArgumentOperands()) {
// Found an apply that initializes the enum. We can optimize this by
// localizing the initialization to an alloc_stack and loading from it.
DataAddrInst = dyn_cast<InitEnumDataAddrInst>(Opd.get());
if (DataAddrInst && DataAddrInst->getOperand() == IEAI->getOperand() &&
ArgIdx < AI->getSubstCalleeType()->getNumIndirectResults()) {
EnumInitOperand = &Opd;
break;
}
++ArgIdx;
}
if (!EnumInitOperand) {
return nullptr;
}
// Localize the address access.
Builder.setInsertionPoint(AI);
auto *AllocStack = Builder.createAllocStack(DataAddrInst->getLoc(),
EnumInitOperand->get()->getType());
EnumInitOperand->set(AllocStack);
Builder.setInsertionPoint(std::next(SILBasicBlock::iterator(AI)));
SILValue Load(Builder.createLoad(DataAddrInst->getLoc(), AllocStack,
LoadOwnershipQualifier::Unqualified));
EnumInst *E = Builder.createEnum(
DataAddrInst->getLoc(), Load, DataAddrInst->getElement(),
DataAddrInst->getOperand()->getType().getObjectType());
Builder.createStore(DataAddrInst->getLoc(), E, DataAddrInst->getOperand(),
StoreOwnershipQualifier::Unqualified);
Builder.createDeallocStack(DataAddrInst->getLoc(), AllocStack);
eraseInstFromFunction(*DataAddrInst);
return eraseInstFromFunction(*IEAI);
}