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[SCEV] Use range-for; NFC

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llvm-svn: 258183
This commit is contained in:
Sanjoy Das 2016-01-19 20:53:46 +00:00
parent 76215efe3e
commit bad46059e0
1 changed files with 4 additions and 5 deletions
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9
lib/Analysis/ScalarEvolution.cpp
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@ -5248,13 +5248,12 @@ ScalarEvolution::computeExitLimit(const Loop *L, BasicBlock *ExitingBlock) {
// lead to the loop header.
bool MustExecuteLoopHeader = true;
BasicBlock *Exit = nullptr;
for (succ_iterator SI = succ_begin(ExitingBlock), SE = succ_end(ExitingBlock);
SI != SE; ++SI)
if (!L->contains(*SI)) {
for (auto *SBB : successors(ExitingBlock))
if (!L->contains(SBB)) {
if (Exit) // Multiple exit successors.
return getCouldNotCompute();
Exit = *SI;
} else if (*SI != L->getHeader()) {
Exit = SBB;
} else if (SBB != L->getHeader()) {
MustExecuteLoopHeader = false;
}