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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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3
lib/Transforms/Scalar/DeadStoreElimination.cpp
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@@ -642,8 +642,7 @@ bool DSE::runOnBasicBlock(BasicBlock &BB) {
/// them to F.
static void FindUnconditionalPreds(SmallVectorImpl<BasicBlock *> &Blocks,
BasicBlock *BB, DominatorTree *DT) {
for (pred_iterator I = pred_begin(BB), E = pred_end(BB); I != E; ++I) {
BasicBlock *Pred = *I;
for (BasicBlock *Pred : predecessors(BB)) {
if (Pred == BB) continue;
TerminatorInst *PredTI = Pred->getTerminator();
if (PredTI->getNumSuccessors() != 1)