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[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges.

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Summary: This patch introduces two new iterator ranges and updates existing code to use it.  No functional change intended.

Test Plan: All tests (make check-all) still pass.

Reviewers: dblaikie

Reviewed By: dblaikie

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D4481

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213474 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manuel Jacob
2014-07-20 09:10:11 +00:00
parent 83a385a57b
commit a4697dad19
41 changed files with 166 additions and 226 deletions
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6
lib/Transforms/Utils/SSAUpdater.cpp
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@ -110,8 +110,7 @@ Value *SSAUpdater::GetValueInMiddleOfBlock(BasicBlock *BB) {
}
} else {
bool isFirstPred = true;
for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI) {
BasicBlock *PredBB = *PI;
for (BasicBlock *PredBB : predecessors(BB)) {
Value *PredVal = GetValueAtEndOfBlock(PredBB);
PredValues.push_back(std::make_pair(PredBB, PredVal));
@ -248,8 +247,7 @@ public:
for (unsigned PI = 0, E = SomePhi->getNumIncomingValues(); PI != E; ++PI)
Preds->push_back(SomePhi->getIncomingBlock(PI));
} else {
for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI)
Preds->push_back(*PI);
Preds->insert(Preds->end(), pred_begin(BB), pred_end(BB));
}
}