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[C++11] Add predecessors(BasicBlock *) / successors(BasicBlock *) iterator ranges.
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
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@@ -1854,12 +1854,11 @@ iterate over all predecessors of BB:
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#include "llvm/Support/CFG.h"
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BasicBlock *BB = ...;
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for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI) {
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BasicBlock *Pred = *PI;
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for (BasicBlock *Pred : predecessors(BB)) {
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// ...
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}
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Similarly, to iterate over successors use ``succ_iterator/succ_begin/succ_end``.
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Similarly, to iterate over successors use ``successors``.
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.. _simplechanges:
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