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Yul Optimizer: Remove dead code

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This commit is contained in:
Mathias Baumann
2019-04-01 17:16:04 +02:00
parent e7340f2126
commit e20acf5d0a
21 changed files with 482 additions and 3 deletions
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test/libyul/YulOptimizerTest.cpp
+7
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@@ -22,6 +22,7 @@
#include <libyul/optimiser/BlockFlattener.h>
#include <libyul/optimiser/VarDeclInitializer.h>
#include <libyul/optimiser/VarNameCleaner.h>
#include <libyul/optimiser/DeadCodeEliminator.h>
#include <libyul/optimiser/Disambiguator.h>
#include <libyul/optimiser/CommonSubexpressionEliminator.h>
#include <libyul/optimiser/NameCollector.h>
@@ -190,6 +191,7 @@ bool YulOptimizerTest::run(ostream& _stream, string const& _linePrefix, bool con
CommonSubexpressionEliminator{*m_dialect}(*m_ast);
ExpressionSimplifier::run(*m_dialect, *m_ast);
UnusedPruner::runUntilStabilised(*m_dialect, *m_ast);
DeadCodeEliminator{}(*m_ast);
ExpressionJoiner::run(*m_ast);
ExpressionJoiner::run(*m_ast);
}
@@ -198,6 +200,11 @@ bool YulOptimizerTest::run(ostream& _stream, string const& _linePrefix, bool con
disambiguate();
UnusedPruner::runUntilStabilised(*m_dialect, *m_ast);
}
else if (m_optimizerStep == "deadCodeEliminator")
{
disambiguate();
DeadCodeEliminator{}(*m_ast);
}
else if (m_optimizerStep == "ssaTransform")
{
disambiguate();