本文整理汇总了C++中basicblock::const_iterator::isSameOperationAs方法的典型用法代码示例。如果您正苦于以下问题：C++ const_iterator::isSameOperationAs方法的具体用法？C++ const_iterator::isSameOperationAs怎么用？C++ const_iterator::isSameOperationAs使用的例子？那么恭喜您, 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basicblock::const_iterator的用法示例。
在下文中一共展示了const_iterator::isSameOperationAs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: equals
static bool equals(const BasicBlock *BB1, const BasicBlock *BB2,
DenseMap<const Value *, const Value *> &ValueMap,
DenseMap<const Value *, const Value *> &SpeculationMap) {
// Specutively add it anyways. If it's false, we'll notice a difference later, and
// this won't matter.
ValueMap[BB1] = BB2;
BasicBlock::const_iterator FI = BB1->begin(), FE = BB1->end();
BasicBlock::const_iterator GI = BB2->begin(), GE = BB2->end();
do {
if (!FI->isSameOperationAs(const_cast<Instruction *>(&*GI)))
return false;
if (FI->getNumOperands() != GI->getNumOperands())
return false;
if (ValueMap[FI] == GI) {
++FI, ++GI;
continue;
}
if (ValueMap[FI] != NULL)
return false;
for (unsigned i = 0, e = FI->getNumOperands(); i != e; ++i) {
Value *OpF = FI->getOperand(i);
Value *OpG = GI->getOperand(i);
if (ValueMap[OpF] == OpG)
continue;
if (ValueMap[OpF] != NULL)
return false;
assert(OpF->getType() == OpG->getType() &&
"Two of the same operation has operands of different type.");
if (OpF->getValueID() != OpG->getValueID())
return false;
if (isa<PHINode>(FI)) {
if (SpeculationMap[OpF] == NULL)
SpeculationMap[OpF] = OpG;
else if (SpeculationMap[OpF] != OpG)
return false;
continue;
} else if (isa<BasicBlock>(OpF)) {
assert(isa<TerminatorInst>(FI) &&
"BasicBlock referenced by non-Terminator non-PHI");
// This call changes the ValueMap, hence we can't use
// Value *& = ValueMap[...]
if (!equals(cast<BasicBlock>(OpF), cast<BasicBlock>(OpG), ValueMap,
SpeculationMap))
return false;
} else {
if (!compare(OpF, OpG))
return false;
}
ValueMap[OpF] = OpG;
}
ValueMap[FI] = GI;
++FI, ++GI;
} while (FI != FE && GI != GE);
return FI == FE && GI == GE;
}