[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
llvm-svn: 213474
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 57e22e2..af7ecff 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -1052,9 +1052,8 @@
if (OptLevel != CodeGenOpt::None) {
bool AllPredsVisited = true;
- for (const_pred_iterator PI = pred_begin(LLVMBB), PE = pred_end(LLVMBB);
- PI != PE; ++PI) {
- if (!FuncInfo->VisitedBBs.count(*PI)) {
+ for (const BasicBlock *Pred : predecessors(LLVMBB)) {
+ if (!FuncInfo->VisitedBBs.count(Pred)) {
AllPredsVisited = false;
break;
}