Moved "step" from settings to expectations.

test/libyul/YulOptimizerTest.cpp

@@ -103,8 +103,6 @@ YulOptimizerTest::YulOptimizerTest(string const& _filename):
 	auto dialectName = m_reader.stringSetting("dialect", "evm");
 	m_dialect = &dialect(dialectName, solidity::test::CommonOptions::get().evmVersion());
 
-	m_step = m_reader.stringSetting("step", "");
-
 	m_expectation = m_reader.simpleExpectations();
 }
 
@@ -352,21 +350,8 @@ TestCase::TestResult YulOptimizerTest::run(ostream& _stream, string const& _line
 		return TestResult::FatalError;
 	}
 
-	m_obtainedResult = AsmPrinter{*m_dialect}(*m_ast) + "\n";
+	m_obtainedResult = "step: " + m_optimizerStep + "\n\n" + AsmPrinter{ *m_dialect }(*m_ast) + "\n";
 
-	if (m_optimizerStep != m_step)
-	{
-		string nextIndentLevel = _linePrefix + "  ";
-		AnsiColorized(_stream, _formatted, {formatting::BOLD, formatting::CYAN}) <<
-			_linePrefix <<
-			"Invalid optimizer step. Given: \"" <<
-			m_step <<
-			"\", should be: \"" <<
-			m_optimizerStep <<
-			"\"." <<
-			endl;
-		return TestResult::FatalError;
-	}
 	if (m_expectation != m_obtainedResult)
 	{
 		string nextIndentLevel = _linePrefix + "  ";
@@ -385,13 +370,6 @@ void YulOptimizerTest::printSource(ostream& _stream, string const& _linePrefix,
 	printIndented(_stream, m_source, _linePrefix);
 }
 
-void YulOptimizerTest::printUpdatedSettings(ostream& _stream, const string& _linePrefix, const bool _formatted)
-{
-	m_step = m_optimizerStep;
-	m_reader.setSetting("step", m_step);
-	EVMVersionRestrictedTestCase::printUpdatedSettings(_stream, _linePrefix, _formatted);
-}
-
 void YulOptimizerTest::printUpdatedExpectations(ostream& _stream, string const& _linePrefix) const
 {
 	printIndented(_stream, m_obtainedResult, _linePrefix);

test/libyul/YulOptimizerTest.h

@@ -57,7 +57,6 @@ public:
 	TestResult run(std::ostream& _stream, std::string const& _linePrefix = "", bool const _formatted = false) override;
 
 	void printSource(std::ostream& _stream, std::string const &_linePrefix = "", bool const _formatted = false) const override;
-	void printUpdatedSettings(std::ostream &_stream, std::string const &_linePrefix = "", bool const _formatted = false) override;
 	void printUpdatedExpectations(std::ostream& _stream, std::string const& _linePrefix) const override;
 
 private:
@@ -73,7 +72,6 @@ private:
 	std::string m_expectation;
 
 	Dialect const* m_dialect = nullptr;
-	std::string m_step;
 	std::set<YulString> m_reservedIdentifiers;
 	std::unique_ptr<NameDispenser> m_nameDispenser;
 	std::unique_ptr<OptimiserStepContext> m_context;

test/libyul/yulOptimizerTests/blockFlattener/basic.yul

@@ -8,9 +8,9 @@
   }
   let z := mload(2)
 }
-// ====
-// step: blockFlattener
 // ----
+// step: blockFlattener
+//
 // {
 //     let _1 := mload(0)
 //     let f_a := mload(1)

test/libyul/yulOptimizerTests/blockFlattener/for_stmt.yul

@@ -3,9 +3,9 @@
         a := add(a, 1)
     }
 }
-// ====
-// step: blockFlattener
 // ----
+// step: blockFlattener
+//
 // {
 //     for { let a := 1 } iszero(eq(a, 10)) { a := add(a, 1) }
 //     { a := add(a, 1) }

test/libyul/yulOptimizerTests/blockFlattener/if_stmt.yul

@@ -8,9 +8,9 @@
   }
   let t := add(3, 9)
 }
-// ====
-// step: blockFlattener
 // ----
+// step: blockFlattener
+//
 // {
 //     if add(mload(7), sload(mload(3)))
 //     {

test/libyul/yulOptimizerTests/blockFlattener/many_nested_blocks.yul

@@ -14,9 +14,9 @@
     a := add(a, c)
   }
 }
-// ====
-// step: blockFlattener
 // ----
+// step: blockFlattener
+//
 // {
 //     let a := 3
 //     let b := 4

test/libyul/yulOptimizerTests/blockFlattener/switch_stmt.yul

@@ -5,9 +5,9 @@
     default { a := 3 { a := 4 } }
     a := 5
 }
-// ====
-// step: blockFlattener
 // ----
+// step: blockFlattener
+//
 // {
 //     let a := 1
 //     switch calldataload(0)

test/libyul/yulOptimizerTests/circularReferencesPruner/called_from_non_function.yul

@@ -5,9 +5,9 @@
     function h() -> z { z := g() }
     a := h()
 }
-// ====
-// step: circularReferencesPruner
 // ----
+// step: circularReferencesPruner
+//
 // {
 //     let a
 //     a := h()

test/libyul/yulOptimizerTests/circularReferencesPruner/nested_different_names.yul

@@ -8,7 +8,7 @@
     	function d() -> w { w := c() }
     }
 }
-// ====
-// step: circularReferencesPruner
 // ----
+// step: circularReferencesPruner
+//
 // { }

test/libyul/yulOptimizerTests/circularReferencesPruner/nested_same_name.yul

@@ -8,7 +8,7 @@
     	function y() -> x { x := z() }
     }
 }
-// ====
-// step: circularReferencesPruner
 // ----
+// step: circularReferencesPruner
+//
 // { }

test/libyul/yulOptimizerTests/circularReferencesPruner/trivial.yul

@@ -2,7 +2,7 @@
     function f() -> x { x := g() }
     function g() -> x { x := f() }
 }
-// ====
-// step: circularReferencesPruner
 // ----
+// step: circularReferencesPruner
+//
 // { }

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/branches_for.yul

@@ -6,9 +6,9 @@
 	}
 	mstore(1, codesize())
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := 1
 //     let b := codesize()

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/branches_if.yul

@@ -3,9 +3,9 @@
     if b { b := 1 }
     let c := 1
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let b := 1
 //     if b { b := b }

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/case2.yul

@@ -23,9 +23,9 @@
         p_1 := add(array, _22)
     }
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let _13 := 0x20
 //     let _14 := allocate(_13)

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/clear_not_needed.yul

@@ -7,9 +7,9 @@
     a := 9
     sstore(x, 3)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := calldataload(0)
 //     let x := calldataload(0x20)

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/function_scopes.yul

@@ -23,9 +23,9 @@
     let _11 := array_index_access(x, _10)
     mstore(_11, _9)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     function allocate(size) -> p
 //     {

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/loop.yul

@@ -35,9 +35,9 @@
     }
     sstore(_1, sum_50)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let _1 := 0
 //     let _33 := calldataload(_1)

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/movable_functions.yul

@@ -7,9 +7,9 @@
     let c := double_with_se(i)
     let d := double_with_se(i)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     function double(x) -> y
 //     { y := add(x, x) }

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/non_movable_instr.yul

@@ -2,9 +2,9 @@
     let a := mload(1)
     let b := mload(1)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := mload(1)
 //     let b := mload(1)

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/non_movable_instr2.yul

@@ -2,9 +2,9 @@
     let a := gas()
     let b := gas()
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := gas()
 //     let b := gas()

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/object_access.yul

@@ -14,9 +14,9 @@ object "main" {
     }
     data "abc" "Hello, World!"
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let r := "abc"
 //     let a := datasize("abc")

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/scopes.yul

@@ -10,9 +10,9 @@
     mstore(0, calldataload(0))
     mstore(0, x)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := 10
 //     let x := 20

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/smoke.yul

@@ -1,5 +1,5 @@
 { }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // { }

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/trivial.yul

@@ -2,9 +2,9 @@
     let a := mul(1, codesize())
     let b := mul(1, codesize())
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := mul(1, codesize())
 //     let b := a

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/unassigned_return.yul

@@ -9,9 +9,9 @@
     let b := 0
     sstore(a, b)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     function f() -> x
 //     {

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/unassigned_variables.yul

@@ -5,9 +5,9 @@
     let b
     mstore(sub(a, b), 7)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a
 //     let b

test/libyul/yulOptimizerTests/commonSubexpressionEliminator/variable_for_variable.yul

@@ -12,9 +12,9 @@
     a := b
     mstore(2, a)
 }
-// ====
-// step: commonSubexpressionEliminator
 // ----
+// step: commonSubexpressionEliminator
+//
 // {
 //     let a := mload(0)
 //     let b := add(a, 7)

test/libyul/yulOptimizerTests/conditionalSimplifier/add_correct_type.yul

@@ -6,8 +6,9 @@
 }
 // ====
 // dialect: yul
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let y:bool := false
 //     for { } true { }

test/libyul/yulOptimizerTests/conditionalSimplifier/add_correct_type_wasm.yul

@@ -6,8 +6,9 @@
 }
 // ====
 // dialect: ewasm
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let y:i32 := 0:i32
 //     for { } true { }

test/libyul/yulOptimizerTests/conditionalSimplifier/clear_after_if_break.yul

@@ -4,9 +4,9 @@
         if y { break }
     }
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let y := mload(0x20)
 //     for { } and(y, 8) { pop(y) }

test/libyul/yulOptimizerTests/conditionalSimplifier/clear_after_if_continue.yul

@@ -4,9 +4,9 @@
         if y { continue }
     }
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let y := mload(0x20)
 //     for { } and(y, 8) { pop(y) }

test/libyul/yulOptimizerTests/conditionalSimplifier/clear_before_for_condition.yul

@@ -7,9 +7,9 @@
         x := 2
     }
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let x := mload(0)
 //     let y := mload(0)

test/libyul/yulOptimizerTests/conditionalSimplifier/clear_before_for_post.yul

@@ -8,9 +8,9 @@
     }
     sstore(0, x)
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let x
 //     for { } x { sstore(1, x) }

test/libyul/yulOptimizerTests/conditionalSimplifier/no_opt_if_break_is_not_last.yul

@@ -7,9 +7,9 @@
         sstore(10, x)
     }
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let x := mload(0)
 //     for { } 1 { }

test/libyul/yulOptimizerTests/conditionalSimplifier/no_opt_inside_if.yul

@@ -3,9 +3,9 @@
     if x { sstore(0, x) }
     sstore(1, x)
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let x := mload(0)
 //     if x { sstore(0, x) }

test/libyul/yulOptimizerTests/conditionalSimplifier/opt_after_terminating_if.yul

@@ -3,9 +3,9 @@
     if x { sstore(0, x) revert(0, 0) }
     sstore(1, x)
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let x := mload(0)
 //     if x

test/libyul/yulOptimizerTests/conditionalSimplifier/opt_switch.yul

@@ -7,9 +7,9 @@
 
     pop(x)
 }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // {
 //     let x := calldataload(0)
 //     switch x

test/libyul/yulOptimizerTests/conditionalSimplifier/smoke.yul

@@ -1,5 +1,5 @@
 { }
-// ====
-// step: conditionalSimplifier
 // ----
+// step: conditionalSimplifier
+//
 // { }

test/libyul/yulOptimizerTests/conditionalUnsimplifier/clear_after_if_break.yul

@@ -5,9 +5,9 @@
         y := 0
     }
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let y := mload(0x20)
 //     for { } and(y, 8) { pop(y) }

test/libyul/yulOptimizerTests/conditionalUnsimplifier/clear_after_if_continue.yul

@@ -5,9 +5,9 @@
         y := 0
     }
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let y := mload(0x20)
 //     for { } and(y, 8) { pop(y) }

test/libyul/yulOptimizerTests/conditionalUnsimplifier/clear_before_for_condition.yul

@@ -9,9 +9,9 @@
         x := 2
     }
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let x := mload(0)
 //     let y := mload(0)

test/libyul/yulOptimizerTests/conditionalUnsimplifier/clear_before_for_post.yul

@@ -7,9 +7,9 @@
     }
     sstore(0, x)
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let x
 //     for { } x { sstore(1, x) }

test/libyul/yulOptimizerTests/conditionalUnsimplifier/no_opt_if_break_is_not_last.yul

@@ -9,9 +9,9 @@
         sstore(10, x)
     }
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let x := mload(0)
 //     for { } 1 { }

test/libyul/yulOptimizerTests/conditionalUnsimplifier/no_opt_inside_if.yul

@@ -4,9 +4,9 @@
     x := 0
     sstore(1, x)
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let x := mload(0)
 //     if x { sstore(0, x) }

test/libyul/yulOptimizerTests/conditionalUnsimplifier/opt_after_terminating_if.yul

@@ -4,9 +4,9 @@
     x := 0
     sstore(1, x)
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let x := mload(0)
 //     if x

test/libyul/yulOptimizerTests/conditionalUnsimplifier/opt_switch.yul

@@ -8,9 +8,9 @@
 
     pop(x)
 }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // {
 //     let x := calldataload(0)
 //     switch x

test/libyul/yulOptimizerTests/conditionalUnsimplifier/smoke.yul

@@ -1,5 +1,5 @@
 { }
-// ====
-// step: conditionalUnsimplifier
 // ----
+// step: conditionalUnsimplifier
+//
 // { }

test/libyul/yulOptimizerTests/constantOptimiser/difficult.yul

@@ -4,9 +4,9 @@
   let z := 0xffff0000ffff0000ffff0000ffff0000ff00ff00ffff0000ffff0000ffff0000
   let w := 0xffffffff000000ffffef000001feff000067ffefff0000ff230002ffee00fff7
 }
-// ====
-// step: constantOptimiser
 // ----
+// step: constantOptimiser
+//
 // {
 //     let x := 0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00
 //     let y := 0x1100ff00ff00ff001100ff00ff001100ff00ff001100ff00ff001100ff001100

test/libyul/yulOptimizerTests/constantOptimiser/gaps.yul

@@ -7,8 +7,9 @@
 }
 // ====
 // EVMVersion: >=constantinople
-// step: constantOptimiser
 // ----
+// step: constantOptimiser
+//
 // {
 //     let a := shl(172, 1)
 //     let x := add(shl(248, 17), 0xffffffffffffffffffffffff23)

test/libyul/yulOptimizerTests/constantOptimiser/smallNumbers.yul

@@ -4,9 +4,9 @@
   for { let i := 0xff00 } lt(i, 2) { i := add(i, 3) } {
   }
 }
-// ====
-// step: constantOptimiser
 // ----
+// step: constantOptimiser
+//
 // {
 //     let x := 8
 //     let y := 0xffff

test/libyul/yulOptimizerTests/controlFlowSimplifier/empty_if_movable_condition.yul

@@ -1,7 +1,7 @@
 { let a := mload(0) if a {} }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     let a := mload(0)
 //     pop(a)

test/libyul/yulOptimizerTests/controlFlowSimplifier/empty_if_non_movable_condition.yul

@@ -1,5 +1,5 @@
 { if mload(0) {} }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // { pop(mload(0)) }

test/libyul/yulOptimizerTests/controlFlowSimplifier/remove_leave.yul

@@ -3,9 +3,9 @@
     function g() -> x { leave x := 7 }
     function h() -> x { if x { leave } }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     function f() -> x
 //     { x := 7 }

test/libyul/yulOptimizerTests/controlFlowSimplifier/switch_only_default.yul

@@ -1,9 +1,9 @@
 {
 	switch mload(0) default { mstore(1, 2) }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     pop(mload(0))
 //     { mstore(1, 2) }

test/libyul/yulOptimizerTests/controlFlowSimplifier/switch_remove_empty_all.yul

@@ -10,9 +10,9 @@
 	case 1 { }
 	default { }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     let y := 200
 //     pop(add(y, 4))

test/libyul/yulOptimizerTests/controlFlowSimplifier/switch_remove_empty_case.yul

@@ -5,9 +5,9 @@
 	case 1 { y := 9 }
 	case 2 { y := 10 }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     let y := 200
 //     switch calldataload(0)

test/libyul/yulOptimizerTests/controlFlowSimplifier/switch_remove_empty_cases.yul

@@ -5,9 +5,9 @@
 	case 1 { y := 9 }
 	default { }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     let y := 200
 //     if eq(1, calldataload(0)) { y := 9 }

test/libyul/yulOptimizerTests/controlFlowSimplifier/switch_remove_empty_default_case.yul

@@ -5,9 +5,9 @@
 	case 2 { y := 10 }
 	default { }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     let y := 200
 //     switch calldataload(0)

test/libyul/yulOptimizerTests/controlFlowSimplifier/switch_to_if.yul

@@ -1,9 +1,9 @@
 {
 	switch calldataload(0) case 2 { mstore(0, 0) }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     if eq(2, calldataload(0)) { mstore(0, 0) }
 // }

test/libyul/yulOptimizerTests/controlFlowSimplifier/terminating_for.yul

@@ -4,9 +4,9 @@
 		break
 	}
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     if calldatasize() { mstore(4, 5) }
 // }

test/libyul/yulOptimizerTests/controlFlowSimplifier/terminating_for_nested.yul

@@ -8,9 +8,9 @@
         break
     }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     for { } calldatasize() { mstore(8, 9) }
 //     {

test/libyul/yulOptimizerTests/controlFlowSimplifier/terminating_for_nested_reversed.yul

@@ -7,9 +7,9 @@
         break
     }
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     if calldatasize()
 //     {

test/libyul/yulOptimizerTests/controlFlowSimplifier/terminating_for_revert.yul

@@ -5,9 +5,9 @@
 		revert(0, x)
 	}
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     if calldatasize()
 //     {

test/libyul/yulOptimizerTests/controlFlowSimplifier/terminating_for_revert_plus_break.yul

@@ -6,9 +6,9 @@
 		revert(0, x)
 	}
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     for { } calldatasize() { mstore(1, 2) }
 //     {

test/libyul/yulOptimizerTests/controlFlowSimplifier/terminating_for_with_continue.yul

@@ -5,9 +5,9 @@
 		break
 	}
 }
-// ====
-// step: controlFlowSimplifier
 // ----
+// step: controlFlowSimplifier
+//
 // {
 //     for { } calldatasize() { mstore(1, 2) }
 //     {

test/libyul/yulOptimizerTests/deadCodeEliminator/conditional_break.yul

@@ -13,9 +13,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let a := 20
 //     for { } lt(a, 40) { a := add(a, 2) }

test/libyul/yulOptimizerTests/deadCodeEliminator/early_break.yul

@@ -14,9 +14,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let a := 20
 //     for { } lt(a, 40) { a := add(a, 2) }

test/libyul/yulOptimizerTests/deadCodeEliminator/early_continue.yul

@@ -14,9 +14,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let a := 20
 //     for { } lt(a, 40) { a := add(a, 2) }

test/libyul/yulOptimizerTests/deadCodeEliminator/early_leave.yul

@@ -18,9 +18,9 @@
     pop(f())
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     function f() -> x
 //     {

test/libyul/yulOptimizerTests/deadCodeEliminator/early_revert.yul

@@ -15,9 +15,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let b := 20
 //     revert(0, 0)

test/libyul/yulOptimizerTests/deadCodeEliminator/early_stop.yul

@@ -15,9 +15,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let b := 20
 //     stop()

test/libyul/yulOptimizerTests/deadCodeEliminator/for_loop_init_decl.yul

@@ -4,7 +4,7 @@
     let i_1 := i_0
   }
 }
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // { stop() }

test/libyul/yulOptimizerTests/deadCodeEliminator/function_after_revert.yul

@@ -12,9 +12,9 @@
 
     pop(add(1, 1))
 }
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     fun()
 //     revert(0, 0)

test/libyul/yulOptimizerTests/deadCodeEliminator/nested_revert.yul

@@ -12,9 +12,9 @@
         y := 10 }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let y := mload(0)
 //     switch y

test/libyul/yulOptimizerTests/deadCodeEliminator/no_removal.yul

@@ -4,9 +4,9 @@
     }
     mstore(0, 0)
 }
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     { revert(0, 0) }
 //     mstore(0, 0)

test/libyul/yulOptimizerTests/deadCodeEliminator/normal_break.yul

@@ -12,9 +12,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let a := 20
 //     for { } lt(a, 40) { a := add(a, 2) }

test/libyul/yulOptimizerTests/deadCodeEliminator/normal_continue.yul

@@ -12,9 +12,9 @@
     }
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let a := 20
 //     for { } lt(a, 40) { a := add(a, 2) }

test/libyul/yulOptimizerTests/deadCodeEliminator/normal_stop.yul

@@ -15,9 +15,9 @@
     stop()
 }
 
-// ====
-// step: deadCodeEliminator
 // ----
+// step: deadCodeEliminator
+//
 // {
 //     let b := 20
 //     let a := 20

test/libyul/yulOptimizerTests/disambiguator/for_statement.yul

@@ -9,8 +9,9 @@
 }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     { let a, b }
 //     {

test/libyul/yulOptimizerTests/disambiguator/funtion_call.yul

@@ -8,8 +8,9 @@
 }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     { let a, b, c, d, f }
 //     {

test/libyul/yulOptimizerTests/disambiguator/if_statement.yul

@@ -7,8 +7,9 @@
 }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     { let a, b, c }
 //     {

test/libyul/yulOptimizerTests/disambiguator/long_names.yul

@@ -1,8 +1,9 @@
 { { let aanteuhdaoneudbrgkjiuaothduiathudaoeuh:u256 } { let aanteuhdaoneudbrgkjiuaothduiathudaoeuh:u256 } }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     {
 //         let aanteuhdaoneudbrgkjiuaothduiathudaoeuh

test/libyul/yulOptimizerTests/disambiguator/smoke.yul

@@ -1,5 +1,5 @@
 { }
-// ====
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // { }

test/libyul/yulOptimizerTests/disambiguator/smoke_yul.yul

@@ -1,6 +1,7 @@
 { }
 // ====
-// step: disambiguator
 // dialect: yul
 // ----
+// step: disambiguator
+//
 // { }

test/libyul/yulOptimizerTests/disambiguator/switch_statement.yul

@@ -9,8 +9,9 @@
 }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     { let a, b, c }
 //     {

test/libyul/yulOptimizerTests/disambiguator/variables.yul

@@ -1,8 +1,9 @@
 { { let a:u256 } { let a:u256 } }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     { let a }
 //     { let a_1 }

test/libyul/yulOptimizerTests/disambiguator/variables_clash.yul

@@ -1,8 +1,9 @@
 { { let a:u256 let a_1:u256 } { let a:u256 } }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     {
 //         let a

test/libyul/yulOptimizerTests/disambiguator/variables_inside_functions.yul

@@ -7,8 +7,9 @@
 }
 // ====
 // dialect: yul
-// step: disambiguator
 // ----
+// step: disambiguator
+//
 // {
 //     {
 //         let c

test/libyul/yulOptimizerTests/equivalentFunctionCombiner/multiple_complex.yul

@@ -54,9 +54,9 @@
         }
   }
 }
-// ====
-// step: equivalentFunctionCombiner
 // ----
+// step: equivalentFunctionCombiner
+//
 // {
 //     pop(f(1, 2, 3))
 //     pop(f(4, 5, 6))

test/libyul/yulOptimizerTests/equivalentFunctionCombiner/simple.yul

@@ -4,9 +4,9 @@
   function f() { mstore(1, mload(0)) }
   function g() { mstore(1, mload(0)) }
 }
-// ====
-// step: equivalentFunctionCombiner
 // ----
+// step: equivalentFunctionCombiner
+//
 // {
 //     f()
 //     f()

test/libyul/yulOptimizerTests/equivalentFunctionCombiner/simple_different_vars.yul

@@ -4,9 +4,9 @@
   function f() -> b { let a := mload(0) b := a }
   function g() -> a { let b := mload(0) a := b }
 }
-// ====
-// step: equivalentFunctionCombiner
 // ----
+// step: equivalentFunctionCombiner
+//
 // {
 //     pop(f())
 //     pop(f())

test/libyul/yulOptimizerTests/equivalentFunctionCombiner/switch_case_order.yul

@@ -4,9 +4,9 @@
   function f(x) { switch x case 0 { mstore(0, 42) } case 1 { mstore(1, 42) } }
   function g(x) { switch x case 1 { mstore(1, 42) } case 0 { mstore(0, 42) } }
 }
-// ====
-// step: equivalentFunctionCombiner
 // ----
+// step: equivalentFunctionCombiner
+//
 // {
 //     f(0)
 //     f(1)

test/libyul/yulOptimizerTests/expressionInliner/argument_duplication_heuristic.yul

@@ -16,9 +16,9 @@
     let y11:= ref1(y1)
     let y12:= ref3(y1)
 }
-// ====
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function ref1(a) -> x
 //     { x := add(a, 1) }

test/libyul/yulOptimizerTests/expressionInliner/complex_with_evm.yul

@@ -2,9 +2,9 @@
     function f(a) -> x { x := add(a, a) }
     let y := f(calldatasize())
 }
-// ====
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f(a) -> x
 //     { x := add(a, a) }

test/libyul/yulOptimizerTests/expressionInliner/double_calls.yul

@@ -3,9 +3,9 @@
 	function g(b, c) -> y { y := mul(mload(c), f(b)) }
 	let y := g(calldatasize(), 7)
 }
-// ====
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f(a) -> x
 //     { x := add(a, a) }

test/libyul/yulOptimizerTests/expressionInliner/double_recursive_calls.yul

@@ -3,9 +3,9 @@
 	function g(b, s) -> y { y := f(b, f(s, s)) }
 	let y := g(calldatasize(), 7)
 }
-// ====
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f(a, r) -> x
 //     { x := g(a, f(r, f(r, r))) }

test/libyul/yulOptimizerTests/expressionInliner/no_inline_mload.yul

@@ -3,9 +3,9 @@
     function f(a) -> x { x := a }
     let y := f(mload(2))
 }
-// ====
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f(a) -> x
 //     { x := a }

test/libyul/yulOptimizerTests/expressionInliner/no_move_with_sideeffects.yul

@@ -6,9 +6,9 @@
 	function h() -> z { mstore(0, 4) z := mload(0) }
 	let r := f(g(), h())
 }
-// ====
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f(a, b) -> x
 //     { x := add(b, a) }

test/libyul/yulOptimizerTests/expressionInliner/simple.yul

@@ -4,8 +4,9 @@
 }
 // ====
 // dialect: yul
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f() -> x
 //     { x := 2 }

test/libyul/yulOptimizerTests/expressionInliner/with_args.yul

@@ -4,8 +4,9 @@
 }
 // ====
 // dialect: yul
-// step: expressionInliner
 // ----
+// step: expressionInliner
+//
 // {
 //     function f(a) -> x
 //     { x := a }