diff --git a/test/libyul/Common.cpp b/test/libyul/Common.cpp
index ff1517eec..ee6d77dab 100644
--- a/test/libyul/Common.cpp
+++ b/test/libyul/Common.cpp
@@ -31,6 +31,7 @@
 #include <libyul/AsmPrinter.h>
 #include <libyul/AssemblyStack.h>
 #include <libyul/backends/evm/EVMDialect.h>
+#include <libyul/backends/wasm/WasmDialect.h>
 
 #include <liblangutil/Scanner.h>
 #include <liblangutil/ErrorReporter.h>
@@ -106,3 +107,51 @@ string yul::test::format(string const& _source, bool _yul)
 {
 	return yul::AsmPrinter()(*parse(_source, _yul).first);
 }
+
+namespace
+{
+std::map<string const, yul::Dialect const& (*)(langutil::EVMVersion)> const validDialects = {
+	{
+		"evm",
+		[](langutil::EVMVersion _evmVersion) -> yul::Dialect const&
+		{ return yul::EVMDialect::strictAssemblyForEVMObjects(_evmVersion); }
+	},
+	{
+		"evmTyped",
+		[](langutil::EVMVersion _evmVersion) -> yul::Dialect const&
+		{ return yul::EVMDialectTyped::instance(_evmVersion); }
+	},
+	{
+		"yul",
+		[](langutil::EVMVersion) -> yul::Dialect const&
+		{ return yul::Dialect::yulDeprecated(); }
+	},
+	{
+		"ewasm",
+		[](langutil::EVMVersion) -> yul::Dialect const&
+		{ return yul::WasmDialect::instance(); }
+	}
+};
+
+vector<string> validDialectNames()
+{
+	vector<string> names{size(validDialects), ""};
+	transform(begin(validDialects), end(validDialects), names.begin(), [](auto const& dialect) { return dialect.first; });
+
+	return names;
+}
+}
+
+yul::Dialect const& yul::test::dialect(std::string const& _name, langutil::EVMVersion _evmVersion)
+{
+	if (!validDialects.count(_name))
+		BOOST_THROW_EXCEPTION(runtime_error{
+			"Invalid Dialect \"" +
+			_name +
+			"\". Valid dialects are " +
+			util::joinHumanReadable(validDialectNames(), ", ", " and ") +
+			"."
+		});
+
+	return validDialects.at(_name)(_evmVersion);
+}
diff --git a/test/libyul/Common.h b/test/libyul/Common.h
index 0b154e69c..b5f175ac2 100644
--- a/test/libyul/Common.h
+++ b/test/libyul/Common.h
@@ -23,6 +23,8 @@
 
 #include <libyul/AsmData.h>
 
+#include <liblangutil/EVMVersion.h>
+
 #include <string>
 #include <vector>
 #include <memory>
@@ -53,4 +55,6 @@ parse(std::string const& _source, Dialect const& _dialect, langutil::ErrorList&
 Block disambiguate(std::string const& _source, bool _yul = true);
 std::string format(std::string const& _source, bool _yul = true);
 
+solidity::yul::Dialect const& dialect(std::string const& _name, langutil::EVMVersion _evmVersion);
+
 }
diff --git a/test/libyul/SyntaxTest.cpp b/test/libyul/SyntaxTest.cpp
index 8e5862b43..05accb695 100644
--- a/test/libyul/SyntaxTest.cpp
+++ b/test/libyul/SyntaxTest.cpp
@@ -19,59 +19,22 @@
 #include <libyul/AsmAnalysisInfo.h>
 #include <libyul/AsmParser.h>
 
-#include <libyul/backends/wasm/WasmDialect.h>
-#include <libyul/backends/evm/EVMDialect.h>
-#include <libyul/backends/wasm/WasmDialect.h>
-
 #include <liblangutil/EVMVersion.h>
 #include <liblangutil/Exceptions.h>
 
+#include <test/libyul/Common.h>
 #include <test/libyul/SyntaxTest.h>
 
+#include <test/Common.h>
+
 using namespace std;
 using namespace solidity;
 using namespace solidity::util;
 using namespace solidity::langutil;
 using namespace solidity::yul::test;
 
-namespace
-{
-std::map<string const, yul::Dialect const& (*)(langutil::EVMVersion)> const validDialects = {
-	{
-		"evm",
-		[](langutil::EVMVersion _evmVersion) -> yul::Dialect const&
-		{ return yul::EVMDialect::strictAssemblyForEVM(_evmVersion); }
-	},
-	{
-		"evmTyped",
-		[](langutil::EVMVersion _evmVersion) -> yul::Dialect const&
-		{ return yul::EVMDialectTyped::instance(_evmVersion); }
-	},
-	{
-		"yul",
-		[](langutil::EVMVersion) -> yul::Dialect const&
-		{ return yul::Dialect::yulDeprecated(); }
-	},
-	{
-		"ewasm",
-		[](langutil::EVMVersion) -> yul::Dialect const&
-		{ return yul::WasmDialect::instance(); }
-	}
-};
-
-vector<string> validDialectNames()
-{
-	vector<string> names{size(validDialects), ""};
-	transform(begin(validDialects), end(validDialects), names.begin(), [](auto const& dialect) { return dialect.first; });
-
-	return names;
-}
-}
-
 void SyntaxTest::parseAndAnalyze()
 {
-	yul::Dialect const& dialect = validDialects.at(m_dialectName)(m_evmVersion);
-
 	if (m_sources.size() != 1)
 		BOOST_THROW_EXCEPTION(runtime_error{"Expected only one source for yul test."});
 
@@ -82,12 +45,12 @@ void SyntaxTest::parseAndAnalyze()
 	ErrorReporter errorReporter{errorList};
 
 	auto scanner = make_shared<Scanner>(CharStream(source, name));
-	auto parserResult = yul::Parser(errorReporter, dialect).parse(scanner, false);
+	auto parserResult = yul::Parser(errorReporter, *m_dialect).parse(scanner, false);
 
 	if (parserResult)
 	{
 		yul::AsmAnalysisInfo analysisInfo;
-		yul::AsmAnalyzer(analysisInfo, errorReporter, dialect).analyze(*parserResult);
+		yul::AsmAnalyzer(analysisInfo, errorReporter, *m_dialect).analyze(*parserResult);
 	}
 
 	for (auto const& error: errorList)
@@ -115,14 +78,6 @@ void SyntaxTest::parseAndAnalyze()
 SyntaxTest::SyntaxTest(string const& _filename, langutil::EVMVersion _evmVersion):
 	CommonSyntaxTest(_filename, _evmVersion)
 {
-	m_dialectName = m_reader.stringSetting("dialect", "evmTyped");
-
-	if (!validDialects.count(m_dialectName))
-		BOOST_THROW_EXCEPTION(runtime_error{
-			"Invalid Dialect \"" +
-			m_dialectName +
-			"\". Valid dialects are " +
-			joinHumanReadable(validDialectNames(), ", ", " and ") +
-			"."
-		});
+	string dialectName = m_reader.stringSetting("dialect", "evmTyped");
+	m_dialect = &dialect(dialectName, solidity::test::CommonOptions::get().evmVersion());
 }
diff --git a/test/libyul/SyntaxTest.h b/test/libyul/SyntaxTest.h
index 8b4c24bd8..b4c838b54 100644
--- a/test/libyul/SyntaxTest.h
+++ b/test/libyul/SyntaxTest.h
@@ -42,7 +42,7 @@ protected:
 	void parseAndAnalyze() override;
 
 private:
-	std::string m_dialectName;
+	Dialect const* m_dialect = nullptr;
 };
 
 }
diff --git a/test/libyul/YulOptimizerTest.cpp b/test/libyul/YulOptimizerTest.cpp
index c8cb601f1..6ab4b181f 100644
--- a/test/libyul/YulOptimizerTest.cpp
+++ b/test/libyul/YulOptimizerTest.cpp
@@ -101,16 +101,7 @@ YulOptimizerTest::YulOptimizerTest(string const& _filename):
 	m_source = m_reader.source();
 
 	auto dialectName = m_reader.stringSetting("dialect", "evm");
-	if (dialectName == "yul")
-		m_dialect = &Dialect::yulDeprecated();
-	else if (dialectName == "ewasm")
-		m_dialect = &WasmDialect::instance();
-	else if (dialectName == "evm")
-		m_dialect = &EVMDialect::strictAssemblyForEVMObjects(solidity::test::CommonOptions::get().evmVersion());
-	else if (dialectName == "evmTyped")
-		m_dialect = &EVMDialectTyped::instance(solidity::test::CommonOptions::get().evmVersion());
-	else
-		BOOST_THROW_EXCEPTION(runtime_error("Invalid dialect " + dialectName));
+	m_dialect = &dialect(dialectName, solidity::test::CommonOptions::get().evmVersion());
 
 	m_step = m_reader.stringSetting("step", "");