diff options
Diffstat (limited to 'test')
17 files changed, 199 insertions, 1 deletions
diff --git a/test/libyul/YulOptimizerTest.cpp b/test/libyul/YulOptimizerTest.cpp index ea8e4b5e..d1990edb 100644 --- a/test/libyul/YulOptimizerTest.cpp +++ b/test/libyul/YulOptimizerTest.cpp @@ -146,7 +146,19 @@ bool YulOptimizerTest::run(ostream& _stream, string const& _linePrefix, bool con else if (m_optimizerStep == "expressionSimplifier") { disambiguate(); - (ExpressionSimplifier{})(*m_ast); + ExpressionSimplifier::run(*m_ast); + } + else if (m_optimizerStep == "fullSimplify") + { + disambiguate(); + NameDispenser nameDispenser; + nameDispenser.m_usedNames = NameCollector(*m_ast).names(); + ExpressionSplitter{nameDispenser}(*m_ast); + CommonSubexpressionEliminator{}(*m_ast); + ExpressionSimplifier::run(*m_ast); + UnusedPruner::runUntilStabilised(*m_ast); + ExpressionJoiner::run(*m_ast); + ExpressionJoiner::run(*m_ast); } else if (m_optimizerStep == "unusedPruner") { diff --git a/test/libyul/yulOptimizerTests/fullSimplify/constant_propagation.yul b/test/libyul/yulOptimizerTests/fullSimplify/constant_propagation.yul new file mode 100644 index 00000000..90a3e16d --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/constant_propagation.yul @@ -0,0 +1,10 @@ +{ + let a := add(7, sub(mload(0), 7)) + mstore(a, 0) +} +// ---- +// fullSimplify +// { +// let _2 := 0 +// mstore(mload(_2), _2) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/constants.yul b/test/libyul/yulOptimizerTests/fullSimplify/constants.yul new file mode 100644 index 00000000..b9c7c1fc --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/constants.yul @@ -0,0 +1,9 @@ +{ + let a := add(1, mul(3, 4)) + mstore(0, a) +} +// ---- +// fullSimplify +// { +// mstore(0, 13) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_complex.yul b/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_complex.yul new file mode 100644 index 00000000..4b17d7ea --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_complex.yul @@ -0,0 +1,9 @@ +{ + let a := sub(calldataload(0), calldataload(0)) + mstore(a, 0) +} +// ---- +// fullSimplify +// { +// mstore(0, 0) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_negative.yul b/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_negative.yul new file mode 100644 index 00000000..a1737efa --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_negative.yul @@ -0,0 +1,10 @@ +{ + let a := sub(calldataload(1), calldataload(0)) + mstore(0, a) +} +// ---- +// fullSimplify +// { +// let _1 := 0 +// mstore(_1, sub(calldataload(1), calldataload(_1))) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_simple.yul b/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_simple.yul new file mode 100644 index 00000000..22a358fd --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/identity_rules_simple.yul @@ -0,0 +1,11 @@ +{ + let a := mload(0) + mstore(0, sub(a, a)) +} +// ---- +// fullSimplify +// { +// let _1 := 0 +// pop(mload(_1)) +// mstore(_1, 0) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/including_function_calls.yul b/test/libyul/yulOptimizerTests/fullSimplify/including_function_calls.yul new file mode 100644 index 00000000..fa3ff07c --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/including_function_calls.yul @@ -0,0 +1,13 @@ +{ + function f() -> a {} + let b := add(7, sub(f(), 7)) + mstore(b, 0) +} +// ---- +// fullSimplify +// { +// function f() -> a +// { +// } +// mstore(f(), 0) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/inside_for.yul b/test/libyul/yulOptimizerTests/fullSimplify/inside_for.yul new file mode 100644 index 00000000..f1b40301 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/inside_for.yul @@ -0,0 +1,17 @@ +{ + let x := calldataload(3) + for { let a := 10 } iszero(eq(a, sub(x, calldataload(3)))) { a := add(a, 1) } {} +} +// ---- +// fullSimplify +// { +// for { +// let a := 10 +// } +// iszero(iszero(a)) +// { +// a := add(a, 1) +// } +// { +// } +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/invariant.yul b/test/libyul/yulOptimizerTests/fullSimplify/invariant.yul new file mode 100644 index 00000000..a8eedef1 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/invariant.yul @@ -0,0 +1,17 @@ +{ + let a := calldataload(sub(7, 7)) + let b := sub(a, 0) + // Below, `b` is not eliminated, because + // we run CSE and then Simplify. + // Elimination of `b` would require another + // run of CSE afterwards. + mstore(b, eq(calldataload(0), a)) +} +// ---- +// fullSimplify +// { +// let a := calldataload(0) +// let _4 := 0 +// let b := a +// mstore(b, eq(calldataload(_4), a)) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/mod_and_1.yul b/test/libyul/yulOptimizerTests/fullSimplify/mod_and_1.yul new file mode 100644 index 00000000..bba16a94 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/mod_and_1.yul @@ -0,0 +1,9 @@ +{ + mstore(0, mod(calldataload(0), exp(2, 8))) +} +// ---- +// fullSimplify +// { +// let _4 := 0 +// mstore(_4, and(calldataload(_4), 255)) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/mod_and_2.yul b/test/libyul/yulOptimizerTests/fullSimplify/mod_and_2.yul new file mode 100644 index 00000000..4a6eaa52 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/mod_and_2.yul @@ -0,0 +1,9 @@ +{ + mstore(0, mod(calldataload(0), exp(2, 255))) +} +// ---- +// fullSimplify +// { +// let _4 := 0 +// mstore(_4, and(calldataload(_4), 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_different_arguments.yul b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_different_arguments.yul new file mode 100644 index 00000000..0c5e3ed9 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_different_arguments.yul @@ -0,0 +1,14 @@ +{ + function f(a) -> b { } + mstore(0, sub(f(0), f(1))) +} +// ---- +// fullSimplify +// { +// function f(a) -> b +// { +// } +// let _2 := f(1) +// let _3 := 0 +// mstore(_3, sub(f(_3), _2)) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_different_names.yul b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_different_names.yul new file mode 100644 index 00000000..90e89fe1 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_different_names.yul @@ -0,0 +1,17 @@ +{ + function f1() -> a { } + function f2() -> b { } + let c := sub(f1(), f2()) + mstore(0, c) +} +// ---- +// fullSimplify +// { +// function f1() -> a +// { +// } +// function f2() -> b +// { +// } +// mstore(0, sub(f1(), f2())) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_equality_not_movable.yul b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_equality_not_movable.yul new file mode 100644 index 00000000..92e50ebe --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_function_call_equality_not_movable.yul @@ -0,0 +1,14 @@ +// Even if the functions pass the equality check, they are not movable. +{ + function f() -> a { } + let b := sub(f(), f()) + mstore(0, b) +} +// ---- +// fullSimplify +// { +// function f() -> a +// { +// } +// mstore(0, sub(f(), f())) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/not_applied_removes_non_constant_and_not_movable.yul b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_removes_non_constant_and_not_movable.yul new file mode 100644 index 00000000..7dcdc280 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/not_applied_removes_non_constant_and_not_movable.yul @@ -0,0 +1,12 @@ +// div is eliminated, but keccak256 has side-effects. +{ + let a := div(keccak256(0, 0), 0) + mstore(0, a) +} +// ---- +// fullSimplify +// { +// let _1 := 0 +// pop(keccak256(_1, _1)) +// mstore(_1, 0) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/reversed.yul b/test/libyul/yulOptimizerTests/fullSimplify/reversed.yul new file mode 100644 index 00000000..fb916e6a --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/reversed.yul @@ -0,0 +1,10 @@ +{ + let a := add(0, mload(0)) + mstore(0, a) +} +// ---- +// fullSimplify +// { +// let _1 := 0 +// mstore(_1, mload(_1)) +// } diff --git a/test/libyul/yulOptimizerTests/fullSimplify/smoke.yul b/test/libyul/yulOptimizerTests/fullSimplify/smoke.yul new file mode 100644 index 00000000..a4fbb899 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSimplify/smoke.yul @@ -0,0 +1,5 @@ +{ } +// ---- +// fullSimplify +// { +// } |