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Limit max chunk size in CommonSubexpressionEliminator::feedItems

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This commit is contained in:
wechman 2022-03-21 09:10:12 +01:00
parent b74a27e946
commit 63f53a19dd
1 changed files with 6 additions and 1 deletions
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7
libevmasm/CommonSubexpressionEliminator.h
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@ -179,7 +179,12 @@ AssemblyItemIterator CommonSubexpressionEliminator::feedItems(
) )
{ {
assertThrow(!m_breakingItem, OptimizerException, "Invalid use of CommonSubexpressionEliminator."); assertThrow(!m_breakingItem, OptimizerException, "Invalid use of CommonSubexpressionEliminator.");
for (; _iterator != _end && !SemanticInformation::breaksCSEAnalysisBlock(*_iterator, _msizeImportant); ++_iterator) unsigned const maxChunkSize = 1000;
for (
unsigned chunkSize = 0;
_iterator != _end && !SemanticInformation::breaksCSEAnalysisBlock(*_iterator, _msizeImportant) && chunkSize < maxChunkSize;
++_iterator, ++chunkSize
)
feedItem(*_iterator); feedItem(*_iterator);
if (_iterator != _end) if (_iterator != _end)
m_breakingItem = &(*_iterator++); m_breakingItem = &(*_iterator++);