// Walk the basic blocks in post-order so that we can build up state about
// the successors of a block iteratively.
- for (po_iterator<BasicBlock *> I = po_begin(&F.getEntryBlock()),
- E = po_end(&F.getEntryBlock());
- I != E; ++I) {
- DEBUG(dbgs() << "Computing probabilities for " << I->getName() << "\n");
- if (calcUnreachableHeuristics(*I))
+ for (auto BB : post_order(&F.getEntryBlock())) {
+ DEBUG(dbgs() << "Computing probabilities for " << BB->getName() << "\n");
+ if (calcUnreachableHeuristics(BB))
continue;
- if (calcMetadataWeights(*I))
+ if (calcMetadataWeights(BB))
continue;
- if (calcColdCallHeuristics(*I))
+ if (calcColdCallHeuristics(BB))
continue;
- if (calcLoopBranchHeuristics(*I))
+ if (calcLoopBranchHeuristics(BB))
continue;
- if (calcPointerHeuristics(*I))
+ if (calcPointerHeuristics(BB))
continue;
- if (calcZeroHeuristics(*I))
+ if (calcZeroHeuristics(BB))
continue;
- if (calcFloatingPointHeuristics(*I))
+ if (calcFloatingPointHeuristics(BB))
continue;
- calcInvokeHeuristics(*I);
+ calcInvokeHeuristics(BB);
}
PostDominatedByUnreachable.clear();