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

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213562 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-07-21 17:06:51 +00:00
parent 9787e8c76b
commit facdfc6781
41 changed files with 230 additions and 167 deletions
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lib/Transforms/IPO/PartialInlining.cpp
+5 -4
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@@ -58,12 +58,13 @@ Function* PartialInliner::unswitchFunction(Function* F) {
BasicBlock* returnBlock = nullptr;
BasicBlock* nonReturnBlock = nullptr;
unsigned returnCount = 0;
for (BasicBlock *Succ : successors(entryBlock))
if (isa<ReturnInst>(Succ->getTerminator())) {
returnBlock = Succ;
for (succ_iterator SI = succ_begin(entryBlock), SE = succ_end(entryBlock);
SI != SE; ++SI)
if (isa<ReturnInst>((*SI)->getTerminator())) {
returnBlock = *SI;
returnCount++;
} else
nonReturnBlock = Succ;
nonReturnBlock = *SI;
if (returnCount != 1)
return nullptr;