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needtosplitedges
2010 May 04
2
[LLVMdev] Question about GVN
Hello, I was investigating GVN.cpp file and I found suspicious part:
1587 bool NeedToSplitEdges = false;
1588 for (pred_iterator PI = pred_begin(LoadBB), E = pred_end(LoadBB);
1589 PI != E; ++PI) {
1590 BasicBlock *Pred = *PI;
1591 if (IsValueFullyAvailableInBlock(Pred, FullyAvailableBlocks)) {
1592 continue;
1593 }
1594 PredLoads[Pred] = 0;
1595
1596 if...