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Add SSAReverser to the yul optimiser.

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This commit is contained in:
Daniel Kirchner
2019-01-17 20:37:43 +01:00
parent 7c07e94986
commit 6de2d92f20
16 changed files with 470 additions and 82 deletions
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test/libyul/YulOptimizerTest.cpp
+18
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@@ -38,6 +38,7 @@
#include <libyul/optimiser/ExpressionSimplifier.h>
#include <libyul/optimiser/UnusedPruner.h>
#include <libyul/optimiser/ExpressionJoiner.h>
#include <libyul/optimiser/SSAReverser.h>
#include <libyul/optimiser/SSATransform.h>
#include <libyul/optimiser/RedundantAssignEliminator.h>
#include <libyul/optimiser/StructuralSimplifier.h>
@@ -223,6 +224,23 @@ bool YulOptimizerTest::run(ostream& _stream, string const& _linePrefix, bool con
disambiguate();
EquivalentFunctionCombiner::run(*m_ast);
}
else if (m_optimizerStep == "ssaReverser")
{
disambiguate();
SSAReverser{}(*m_ast);
}
else if (m_optimizerStep == "ssaAndBack")
{
disambiguate();
// apply SSA
NameDispenser nameDispenser{*m_dialect, *m_ast};
SSATransform::run(*m_ast, nameDispenser);
RedundantAssignEliminator::run(*m_dialect, *m_ast);
// reverse SSA
SSAReverser{}(*m_ast);
CommonSubexpressionEliminator{*m_dialect}(*m_ast);
UnusedPruner::runUntilStabilised(*m_dialect, *m_ast);
}
else if (m_optimizerStep == "fullSuite")
OptimiserSuite::run(*m_dialect, *m_ast, *m_analysisInfo);
else