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[Yul] Prune functions that call each other but are otherwise unreferenced

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This commit is contained in:
Gaith Hallak
2020-02-11 20:39:32 +03:00
parent d033c2f767
commit 24d6702986
11 changed files with 204 additions and 2 deletions
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test/libyul/YulOptimizerTest.cpp
+8
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@@ -28,6 +28,7 @@
#include <libyul/optimiser/DeadCodeEliminator.h>
#include <libyul/optimiser/Disambiguator.h>
#include <libyul/optimiser/CallGraphGenerator.h>
#include <libyul/optimiser/CircularReferencesPruner.h>
#include <libyul/optimiser/ConditionalUnsimplifier.h>
#include <libyul/optimiser/ConditionalSimplifier.h>
#include <libyul/optimiser/CommonSubexpressionEliminator.h>
@@ -250,6 +251,7 @@ TestCase::TestResult YulOptimizerTest::run(ostream& _stream, string const& _line
CommonSubexpressionEliminator::run(*m_context, *m_ast);
ExpressionSimplifier::run(*m_context, *m_ast);
UnusedPruner::run(*m_context, *m_ast);
CircularReferencesPruner::run(*m_context, *m_ast);
DeadCodeEliminator::run(*m_context, *m_ast);
ExpressionJoiner::run(*m_context, *m_ast);
ExpressionJoiner::run(*m_context, *m_ast);
@@ -259,6 +261,12 @@ TestCase::TestResult YulOptimizerTest::run(ostream& _stream, string const& _line
disambiguate();
UnusedPruner::run(*m_context, *m_ast);
}
else if (m_optimizerStep == "circularReferencesPruner")
{
disambiguate();
FunctionHoister::run(*m_context, *m_ast);
CircularReferencesPruner::run(*m_context, *m_ast);
}
else if (m_optimizerStep == "deadCodeEliminator")
{
disambiguate();