本文整理汇总了C++中TerminatorInst::op_end方法的典型用法代码示例。如果您正苦于以下问题：C++ TerminatorInst::op_end方法的具体用法？C++ TerminatorInst::op_end怎么用？C++ TerminatorInst::op_end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TerminatorInst的用法示例。
在下文中一共展示了TerminatorInst::op_end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: Twine
/*
in addition to the original condition of the loop, insert one cond
on the virtual iterator, given the linf and lsup bounds for the chunk
this cond exits and returns to the decision block to start a new chunk
*/
BasicBlock *insertChunkCond(Loop *&L, LoopInfo *LI, Value *vi, Value *lsup,
BasicBlock *dcb, Value *vi_dcb_val,
PHINode *&phi_vi) {
BasicBlock *H = L->getHeader();
BasicBlock *newCond = BasicBlock::Create(
H->getContext(), Twine("__kernel__" + H->getName().str() + "_viCond"),
H->getParent(), H);
std::vector<BasicBlock *> Lblocks = L->getBlocks();
BasicBlock *exitBlock = BasicBlock::Create(
H->getContext(), Twine(H->getName().str() + "_exitChunk"), H->getParent(),
H);
BranchInst::Create(dcb, exitBlock);
phi_vi = PHINode::Create(Type::getInt64Ty(H->getContext()), 2, "vi_value",
newCond);
phi_vi->addIncoming(vi_dcb_val, dcb);
LoadInst *load_lsup = new LoadInst(lsup, "lsup_value", newCond);
ICmpInst *cmp = new ICmpInst(*newCond, ICmpInst::ICMP_SLT, phi_vi, load_lsup,
vi->getName() + "_cmp");
// Make sure all predecessors now go to our new condition
std::vector<TerminatorInst *> termInstrs;
BasicBlock *lp = L->getLoopPredecessor();
for (auto it = pred_begin(H), end = pred_end(H); it != end; ++it) {
if ((*it) == lp) {
// Original entry should be redirected to dcb
TerminatorInst *tinstr = (*it)->getTerminator();
for (auto it = tinstr->op_begin(), end = tinstr->op_end(); it != end;
++it) {
Use *use = &*it;
if (use->get() == H) {
use->set(dcb);
}
}
} else {
termInstrs.push_back((*it)->getTerminator());
}
}
for (auto &tinstr : termInstrs) {
for (auto it = tinstr->op_begin(), end = tinstr->op_end(); it != end;
++it) {
Use *use = &*it;
if (use->get() == H) {
use->set(newCond);
}
}
}
BranchInst::Create(H, exitBlock, cmp, newCond);
// update loop info
if (L != LI->getLoopFor(newCond)) {
L->addBasicBlockToLoop(newCond, *LI);
}
L->moveToHeader(newCond);
Loop *Lp = L->getParentLoop();
if (Lp)
Lp->addBasicBlockToLoop(exitBlock, *LI);
return newCond;
}