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

This reverts commit r213474 (and r213475), which causes a miscompile on
a stage2 LTO build.  I'll reply on the list in a moment.

llvm-svn: 213562

1 files changed, 9 insertions, 4 deletions

diff --git a/llvm/lib/Analysis/BranchProbabilityInfo.cpp b/llvm/lib/Analysis/BranchProbabilityInfo.cpp
index fa9df4c8edb..bbd87505952 100644
--- a/llvm/lib/Analysis/BranchProbabilityInfo.cpp
+++ b/llvm/lib/Analysis/BranchProbabilityInfo.cpp
@@ -528,9 +528,13 @@ void BranchProbabilityInfo::print(raw_ostream &OS, const Module *) const {
   // We print the probabilities from the last function the analysis ran over,
   // or the function it is currently running over.
   assert(LastF && "Cannot print prior to running over a function");
-  for (const BasicBlock &BB : *LastF)
-    for (const BasicBlock *Succ : successors(&BB))
-      printEdgeProbability(OS << "  ", &BB, Succ);
+  for (Function::const_iterator BI = LastF->begin(), BE = LastF->end();
+       BI != BE; ++BI) {
+    for (succ_const_iterator SI = succ_begin(BI), SE = succ_end(BI);
+         SI != SE; ++SI) {
+      printEdgeProbability(OS << "  ", BI, *SI);
+    }
+  }
 }
 
 uint32_t BranchProbabilityInfo::getSumForBlock(const BasicBlock *BB) const {
@@ -559,7 +563,8 @@ BasicBlock *BranchProbabilityInfo::getHotSucc(BasicBlock *BB) const {
   uint32_t MaxWeight = 0;
   BasicBlock *MaxSucc = nullptr;
 
-  for (BasicBlock *Succ : successors(BB)) {
+  for (succ_iterator I = succ_begin(BB), E = succ_end(BB); I != E; ++I) {
+    BasicBlock *Succ = *I;
     uint32_t Weight = getEdgeWeight(BB, Succ);
     uint32_t PrevSum = Sum;