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[TRE] Update comments. NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305636 91177308-0d34-0410-b5e6-96231b3b80d8
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Xin Tong 2017-06-17 16:18:36 +00:00
parent 5b6663a260
commit f477517698
1 changed files with 1 additions and 1 deletions
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lib/Transforms/Scalar/TailRecursionElimination.cpp
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@ -679,7 +679,7 @@ static bool foldReturnAndProcessPred(BasicBlock *BB, ReturnInst *Ret,
// If the return block contains nothing but the return and PHI's,
// there might be an opportunity to duplicate the return in its
// predecessors and perform TRC there. Look for predecessors that end
// predecessors and perform TRE there. Look for predecessors that end
// in unconditional branch and recursive call(s).
SmallVector<BranchInst*, 8> UncondBranchPreds;
for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI) {