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-rw-r--r--llvm/lib/Analysis/ScalarEvolution.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 8ab5602..7e18f7c 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -226,7 +226,7 @@ static cl::opt<unsigned> RangeIterThreshold(
static cl::opt<unsigned> MaxLoopGuardCollectionDepth(
"scalar-evolution-max-loop-guard-collection-depth", cl::Hidden,
- cl::desc("Maximum depth for recrusive loop guard collection"), cl::init(1));
+ cl::desc("Maximum depth for recursive loop guard collection"), cl::init(1));
static cl::opt<bool>
ClassifyExpressions("scalar-evolution-classify-expressions",
@@ -15765,6 +15765,7 @@ void ScalarEvolution::LoopGuards::collectFromBlock(
// original header.
// TODO: share this logic with isLoopEntryGuardedByCond.
unsigned NumCollectedConditions = 0;
+ VisitedBlocks.insert(Block);
std::pair<const BasicBlock *, const BasicBlock *> Pair(Pred, Block);
for (; Pair.first;
Pair = SE.getPredecessorWithUniqueSuccessorForBB(Pair.first)) {