diff options
| -rw-r--r-- | libyul/optimiser/RedundantAssignEliminator.cpp | 73 | ||||
| -rw-r--r-- | libyul/optimiser/RedundantAssignEliminator.h | 11 | ||||
| -rw-r--r-- | test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul | 654 |
3 files changed, 718 insertions, 20 deletions
diff --git a/libyul/optimiser/RedundantAssignEliminator.cpp b/libyul/optimiser/RedundantAssignEliminator.cpp index 775b7673..b7217074 100644 --- a/libyul/optimiser/RedundantAssignEliminator.cpp +++ b/libyul/optimiser/RedundantAssignEliminator.cpp @@ -96,9 +96,15 @@ void RedundantAssignEliminator::operator()(FunctionDefinition const& _functionDe (*this)(_functionDefinition.body); for (auto const& param: _functionDefinition.parameters) + { changeUndecidedTo(param.name, State::Unused); + finalize(param.name); + } for (auto const& retParam: _functionDefinition.returnVariables) + { changeUndecidedTo(retParam.name, State::Used); + finalize(retParam.name); + } } void RedundantAssignEliminator::operator()(ForLoop const& _forLoop) @@ -150,30 +156,48 @@ void RedundantAssignEliminator::run(Block& _ast) RedundantAssignEliminator rae; rae(_ast); - std::set<Assignment const*> assignmentsToRemove; - for (auto const& variables: rae.m_assignments) - for (auto const& assignment: variables.second) - { - assertThrow(assignment.second != State::Undecided, OptimizerException, ""); - if (assignment.second == State::Unused && MovableChecker{*assignment.first->value}.movable()) - assignmentsToRemove.emplace(assignment.first); - } - - AssignmentRemover remover{assignmentsToRemove}; + AssignmentRemover remover{rae.m_assignmentsToRemove}; remover(_ast); } -void RedundantAssignEliminator::join(RedundantAssignEliminator& _other) +template <class K, class V, class F> +void joinMap(std::map<K, V>& _a, std::map<K, V>&& _b, F _conflictSolver) { - for (auto& var: _other.m_assignments) - if (m_assignments.count(var.first)) + // TODO Perhaps it is better to just create a sorted list + // and then use insert(begin, end) + + auto ita = _a.begin(); + auto aend = _a.end(); + auto itb = _b.begin(); + auto bend = _b.end(); + + for (; itb != bend; ++ita) + { + if (ita == aend) + ita = _a.insert(ita, std::move(*itb++)); + else if (ita->first < itb->first) + continue; + else if (itb->first < ita->first) + ita = _a.insert(ita, std::move(*itb++)); + else { - map<Assignment const*, State>& assignmentsHere = m_assignments[var.first]; - for (auto& assignment: var.second) - assignmentsHere[assignment.first].join(assignment.second); + _conflictSolver(ita->second, std::move(itb->second)); + ++itb; } - else - m_assignments[var.first] = std::move(var.second); + } +} + +void RedundantAssignEliminator::join(RedundantAssignEliminator& _other) +{ + m_assignmentsToRemove.insert(begin(_other.m_assignmentsToRemove), end(_other.m_assignmentsToRemove)); + + joinMap(m_assignments, std::move(_other.m_assignments), []( + map<Assignment const*, State>& _assignmentHere, + map<Assignment const*, State>&& _assignmentThere + ) + { + return joinMap(_assignmentHere, std::move(_assignmentThere), State::join); + }); } void RedundantAssignEliminator::changeUndecidedTo(YulString _variable, RedundantAssignEliminator::State _newState) @@ -183,6 +207,19 @@ void RedundantAssignEliminator::changeUndecidedTo(YulString _variable, Redundant assignment.second = _newState; } +void RedundantAssignEliminator::finalize(YulString _variable) +{ + for (auto& assignment: m_assignments[_variable]) + { + assertThrow(assignment.second != State::Undecided, OptimizerException, ""); + if (assignment.second == State{State::Unused} && MovableChecker{*assignment.first->value}.movable()) + // TODO the only point where we actually need this + // to be a set is for the for loop + m_assignmentsToRemove.insert(assignment.first); + } + m_assignments.erase(_variable); +} + void AssignmentRemover::operator()(Block& _block) { boost::range::remove_erase_if(_block.statements, [=](Statement const& _statement) -> bool { diff --git a/libyul/optimiser/RedundantAssignEliminator.h b/libyul/optimiser/RedundantAssignEliminator.h index 805a1f63..76106aae 100644 --- a/libyul/optimiser/RedundantAssignEliminator.h +++ b/libyul/optimiser/RedundantAssignEliminator.h @@ -127,10 +127,10 @@ private: State(Value _value = Undecided): m_value(_value) {} inline bool operator==(State _other) const { return m_value == _other.m_value; } inline bool operator!=(State _other) const { return !operator==(_other); } - inline void join(State const& _other) + static inline void join(State& _a, State const& _b) { // Using "max" works here because of the order of the values in the enum. - m_value = Value(std::max(int(_other.m_value), int(m_value))); + _a.m_value = Value(std::max(int(_a.m_value), int(_b.m_value))); } private: Value m_value = Undecided; @@ -149,8 +149,12 @@ private: } ~BlockScope() { + // This should actually store all declared variables + // into a different mapping for (auto const& var: m_rae.m_declaredVariables) m_rae.changeUndecidedTo(var, State::Unused); + for (auto const& var: m_rae.m_declaredVariables) + m_rae.finalize(var); swap(m_rae.m_declaredVariables, m_outerDeclaredVariables); } @@ -164,10 +168,13 @@ private: /// Will destroy @a _other. void join(RedundantAssignEliminator& _other); void changeUndecidedTo(YulString _variable, State _newState); + void finalize(YulString _variable); std::set<YulString> m_declaredVariables; // TODO check that this does not cause nondeterminism! + // This could also be a pseudo-map from state to assignment. std::map<YulString, std::map<Assignment const*, State>> m_assignments; + std::set<Assignment const*> m_assignmentsToRemove; }; class AssignmentRemover: public ASTModifier diff --git a/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul b/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul new file mode 100644 index 00000000..cc6044d3 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul @@ -0,0 +1,654 @@ +{ + let x := abi_encode_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr_to_t_array$_t_array$_t_address_$3_memory_$dyn_memory_ptr(mload(0), 0x20) + let a, b, c, d := abi_decode_tuple_t_uint256t_uint256t_array$_t_uint256_$dyn_memory_ptrt_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(mload(0x20), mload(0x40)) + sstore(a, b) + sstore(c, d) + sstore(0, x) + + function abi_decode_t_address(offset, end) -> value + { + value := cleanup_revert_t_address(calldataload(offset)) + } + function abi_decode_t_array$_t_address_$dyn_memory(offset, end) -> array + { + if iszero(slt(add(offset, 0x1f), end)) + { + revert(0, 0) + } + let length := calldataload(offset) + array := allocateMemory(array_allocation_size_t_array$_t_address_$dyn_memory(length)) + let dst := array + mstore(array, length) + offset := add(offset, 0x20) + dst := add(dst, 0x20) + let src := offset + if gt(add(src, mul(length, 0x20)), end) + { + revert(0, 0) + } + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + let elementPos := src + mstore(dst, abi_decode_t_address(elementPos, end)) + dst := add(dst, 0x20) + src := add(src, 0x20) + } + } + function abi_decode_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(offset, end) -> array + { + if iszero(slt(add(offset, 0x1f), end)) + { + revert(0, 0) + } + let length := calldataload(offset) + array := allocateMemory(array_allocation_size_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(length)) + let dst := array + mstore(array, length) + offset := add(offset, 0x20) + dst := add(dst, 0x20) + let src := offset + if gt(add(src, mul(length, 0x40)), end) + { + revert(0, 0) + } + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + let elementPos := src + mstore(dst, abi_decode_t_array$_t_uint256_$2_memory(elementPos, end)) + dst := add(dst, 0x20) + src := add(src, 0x40) + } + } + function abi_decode_t_array$_t_uint256_$2_memory(offset, end) -> array + { + if iszero(slt(add(offset, 0x1f), end)) + { + revert(0, 0) + } + let length := 0x2 + array := allocateMemory(array_allocation_size_t_array$_t_uint256_$2_memory(length)) + let dst := array + let src := offset + if gt(add(src, mul(length, 0x20)), end) + { + revert(0, 0) + } + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + let elementPos := src + mstore(dst, abi_decode_t_uint256(elementPos, end)) + dst := add(dst, 0x20) + src := add(src, 0x20) + } + } + function abi_decode_t_array$_t_uint256_$dyn_memory(offset, end) -> array + { + if iszero(slt(add(offset, 0x1f), end)) + { + revert(0, 0) + } + let length := calldataload(offset) + array := allocateMemory(array_allocation_size_t_array$_t_uint256_$dyn_memory(length)) + let dst := array + mstore(array, length) + offset := add(offset, 0x20) + dst := add(dst, 0x20) + let src := offset + if gt(add(src, mul(length, 0x20)), end) + { + revert(0, 0) + } + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + let elementPos := src + mstore(dst, abi_decode_t_uint256(elementPos, end)) + dst := add(dst, 0x20) + src := add(src, 0x20) + } + } + function abi_decode_t_array$_t_uint256_$dyn_memory_ptr(offset, end) -> array + { + if iszero(slt(add(offset, 0x1f), end)) + { + revert(0, 0) + } + let length := calldataload(offset) + array := allocateMemory(array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr(length)) + let dst := array + mstore(array, length) + offset := add(offset, 0x20) + dst := add(dst, 0x20) + let src := offset + if gt(add(src, mul(length, 0x20)), end) + { + revert(0, 0) + } + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + let elementPos := src + mstore(dst, abi_decode_t_uint256(elementPos, end)) + dst := add(dst, 0x20) + src := add(src, 0x20) + } + } + function abi_decode_t_contract$_C_$55(offset, end) -> value + { + value := cleanup_revert_t_contract$_C_$55(calldataload(offset)) + } + function abi_decode_t_struct$_S_$11_memory_ptr(headStart, end) -> value + { + if slt(sub(end, headStart), 0x60) + { + revert(0, 0) + } + value := allocateMemory(0x60) + { + let offset := 0 + mstore(add(value, 0x0), abi_decode_t_uint256(add(headStart, offset), end)) + } + { + let offset := calldataload(add(headStart, 32)) + if gt(offset, 0xffffffffffffffff) + { + revert(0, 0) + } + mstore(add(value, 0x20), abi_decode_t_array$_t_uint256_$dyn_memory(add(headStart, offset), end)) + } + { + let offset := calldataload(add(headStart, 64)) + if gt(offset, 0xffffffffffffffff) + { + revert(0, 0) + } + mstore(add(value, 0x40), abi_decode_t_array$_t_address_$dyn_memory(add(headStart, offset), end)) + } + } + function abi_decode_t_uint256(offset, end) -> value + { + value := cleanup_revert_t_uint256(calldataload(offset)) + } + function abi_decode_t_uint8(offset, end) -> value + { + value := cleanup_revert_t_uint8(calldataload(offset)) + } + function abi_decode_tuple_t_contract$_C_$55t_uint8(headStart, dataEnd) -> value0, value1 + { + if slt(sub(dataEnd, headStart), 64) + { + revert(0, 0) + } + { + let offset := 0 + value0 := abi_decode_t_contract$_C_$55(add(headStart, offset), dataEnd) + } + { + let offset := 32 + value1 := abi_decode_t_uint8(add(headStart, offset), dataEnd) + } + } + function abi_decode_tuple_t_struct$_S_$11_memory_ptrt_uint256(headStart, dataEnd) -> value0, value1 + { + if slt(sub(dataEnd, headStart), 64) + { + revert(0, 0) + } + { + let offset := calldataload(add(headStart, 0)) + if gt(offset, 0xffffffffffffffff) + { + revert(0, 0) + } + value0 := abi_decode_t_struct$_S_$11_memory_ptr(add(headStart, offset), dataEnd) + } + { + let offset := 32 + value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd) + } + } + function abi_decode_tuple_t_uint256t_uint256t_array$_t_uint256_$dyn_memory_ptrt_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(headStart, dataEnd) -> value0, value1, value2, value3 + { + if slt(sub(dataEnd, headStart), 128) + { + revert(0, 0) + } + { + let offset := 0 + value0 := abi_decode_t_uint256(add(headStart, offset), dataEnd) + } + { + let offset := 32 + value1 := abi_decode_t_uint256(add(headStart, offset), dataEnd) + } + { + let offset := calldataload(add(headStart, 64)) + if gt(offset, 0xffffffffffffffff) + { + revert(0, 0) + } + value2 := abi_decode_t_array$_t_uint256_$dyn_memory_ptr(add(headStart, offset), dataEnd) + } + { + let offset := calldataload(add(headStart, 96)) + if gt(offset, 0xffffffffffffffff) + { + revert(0, 0) + } + value3 := abi_decode_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(add(headStart, offset), dataEnd) + } + } + function abi_encode_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr_to_t_array$_t_array$_t_address_$3_memory_$dyn_memory_ptr(value, pos) -> end + { + let length := array_length_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr(value) + mstore(pos, length) + pos := add(pos, 0x20) + let srcPtr := array_dataslot_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr(value) + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + abi_encode_t_array$_t_contract$_C_$55_$3_memory_to_t_array$_t_address_$3_memory_ptr(mload(srcPtr), pos) + srcPtr := array_nextElement_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr(srcPtr) + pos := add(pos, 0x60) + } + end := pos + } + function abi_encode_t_array$_t_contract$_C_$55_$3_memory_to_t_array$_t_address_$3_memory_ptr(value, pos) + { + let length := array_length_t_array$_t_contract$_C_$55_$3_memory(value) + let srcPtr := array_dataslot_t_array$_t_contract$_C_$55_$3_memory(value) + for { + let i := 0 + } + lt(i, length) + { + i := add(i, 1) + } + { + abi_encode_t_contract$_C_$55_to_t_address(mload(srcPtr), pos) + srcPtr := array_nextElement_t_array$_t_contract$_C_$55_$3_memory(srcPtr) + pos := add(pos, 0x20) + } + } + function abi_encode_t_bool_to_t_bool(value, pos) + { + mstore(pos, cleanup_assert_t_bool(value)) + } + function abi_encode_t_contract$_C_$55_to_t_address(value, pos) + { + mstore(pos, convert_t_contract$_C_$55_to_t_address(value)) + } + function abi_encode_t_uint16_to_t_uint16(value, pos) + { + mstore(pos, cleanup_assert_t_uint16(value)) + } + function abi_encode_t_uint24_to_t_uint24(value, pos) + { + mstore(pos, cleanup_assert_t_uint24(value)) + } + function abi_encode_tuple_t_bool__to_t_bool_(headStart, value0) -> tail + { + tail := add(headStart, 32) + abi_encode_t_bool_to_t_bool(value0, add(headStart, 0)) + } + function abi_encode_tuple_t_uint16_t_uint24_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr__to_t_uint16_t_uint24_t_array$_t_array$_t_address_$3_memory_$dyn_memory_ptr_(headStart, value2, value1, value0) -> tail + { + tail := add(headStart, 96) + abi_encode_t_uint16_to_t_uint16(value0, add(headStart, 0)) + abi_encode_t_uint24_to_t_uint24(value1, add(headStart, 32)) + mstore(add(headStart, 64), sub(tail, headStart)) + tail := abi_encode_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr_to_t_array$_t_array$_t_address_$3_memory_$dyn_memory_ptr(value2, tail) + } + function allocateMemory(size) -> memPtr + { + memPtr := mload(64) + let newFreePtr := add(memPtr, size) + if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) + { + revert(0, 0) + } + mstore(64, newFreePtr) + } + function array_allocation_size_t_array$_t_address_$dyn_memory(length) -> size + { + if gt(length, 0xffffffffffffffff) + { + revert(0, 0) + } + size := mul(length, 0x20) + size := add(size, 0x20) + } + function array_allocation_size_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(length) -> size + { + if gt(length, 0xffffffffffffffff) + { + revert(0, 0) + } + size := mul(length, 0x20) + size := add(size, 0x20) + } + function array_allocation_size_t_array$_t_uint256_$2_memory(length) -> size + { + if gt(length, 0xffffffffffffffff) + { + revert(0, 0) + } + size := mul(length, 0x20) + } + function array_allocation_size_t_array$_t_uint256_$dyn_memory(length) -> size + { + if gt(length, 0xffffffffffffffff) + { + revert(0, 0) + } + size := mul(length, 0x20) + size := add(size, 0x20) + } + function array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr(length) -> size + { + if gt(length, 0xffffffffffffffff) + { + revert(0, 0) + } + size := mul(length, 0x20) + size := add(size, 0x20) + } + function array_dataslot_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr(memPtr) -> dataPtr + { + dataPtr := add(memPtr, 0x20) + } + function array_dataslot_t_array$_t_contract$_C_$55_$3_memory(memPtr) -> dataPtr + { + dataPtr := memPtr + } + function array_length_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr(value) -> length + { + length := mload(value) + } + function array_length_t_array$_t_contract$_C_$55_$3_memory(value) -> length + { + length := 0x3 + } + function array_nextElement_t_array$_t_array$_t_contract$_C_$55_$3_memory_$dyn_memory_ptr(memPtr) -> nextPtr + { + nextPtr := add(memPtr, 0x20) + } + function array_nextElement_t_array$_t_contract$_C_$55_$3_memory(memPtr) -> nextPtr + { + nextPtr := add(memPtr, 0x20) + } + function cleanup_assert_t_address(value) -> cleaned + { + cleaned := cleanup_assert_t_uint160(value) + } + function cleanup_assert_t_bool(value) -> cleaned + { + cleaned := iszero(iszero(value)) + } + function cleanup_assert_t_uint16(value) -> cleaned + { + cleaned := and(value, 0xFFFF) + } + function cleanup_assert_t_uint160(value) -> cleaned + { + cleaned := and(value, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) + } + function cleanup_assert_t_uint24(value) -> cleaned + { + cleaned := and(value, 0xFFFFFF) + } + function cleanup_revert_t_address(value) -> cleaned + { + cleaned := cleanup_assert_t_uint160(value) + } + function cleanup_revert_t_contract$_C_$55(value) -> cleaned + { + cleaned := cleanup_assert_t_address(value) + } + function cleanup_revert_t_uint256(value) -> cleaned + { + cleaned := value + } + function cleanup_revert_t_uint8(value) -> cleaned + { + cleaned := and(value, 0xFF) + } + function convert_t_contract$_C_$55_to_t_address(value) -> converted + { + converted := convert_t_contract$_C_$55_to_t_uint160(value) + } + function convert_t_contract$_C_$55_to_t_uint160(value) -> converted + { + converted := cleanup_assert_t_uint160(value) + } +} +// ---- +// fullSuite +// { +// { +// let _1 := 0x20 +// let _2 := 0 +// let _485 := mload(_2) +// let abi_encode_pos := _1 +// let abi_encode_length_68 := mload(_485) +// mstore(_1, abi_encode_length_68) +// let abi_encode_pos_590 := 64 +// abi_encode_pos := abi_encode_pos_590 +// let abi_encode_srcPtr := add(_485, _1) +// for { +// let abi_encode_i_69 := _2 +// } +// lt(abi_encode_i_69, abi_encode_length_68) +// { +// abi_encode_i_69 := add(abi_encode_i_69, 1) +// } +// { +// let _922 := mload(abi_encode_srcPtr) +// let abi_encode_pos_71_1029 := abi_encode_pos +// let abi_encode_length_72_1030 := 0x3 +// let abi_encode_srcPtr_73_1031 := _922 +// for { +// let abi_encode_i_74_1032 := _2 +// } +// lt(abi_encode_i_74_1032, abi_encode_length_72_1030) +// { +// abi_encode_i_74_1032 := add(abi_encode_i_74_1032, 1) +// } +// { +// mstore(abi_encode_pos_71_1029, and(mload(abi_encode_srcPtr_73_1031), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) +// abi_encode_srcPtr_73_1031 := add(abi_encode_srcPtr_73_1031, _1) +// abi_encode_pos_71_1029 := add(abi_encode_pos_71_1029, _1) +// } +// abi_encode_srcPtr := add(abi_encode_srcPtr, _1) +// abi_encode_pos := add(abi_encode_pos, 0x60) +// } +// let _924 := 0x40 +// let _487 := mload(_924) +// let _488 := mload(_1) +// let abi_decode_value0_60_618 +// let abi_decode_value0_60 := abi_decode_value0_60_618 +// let abi_decode_value1_61_619 +// let abi_decode_value1_61 := abi_decode_value1_61_619 +// let abi_decode_value2_620 +// let abi_decode_value2 := abi_decode_value2_620 +// let abi_decode_value3_621 +// let abi_decode_value3 := abi_decode_value3_621 +// if slt(sub(_487, _488), 128) +// { +// revert(_2, _2) +// } +// { +// abi_decode_value0_60 := calldataload(_488) +// } +// { +// abi_decode_value1_61 := calldataload(add(_488, 32)) +// } +// { +// let abi_decode_offset_64 := calldataload(add(_488, abi_encode_pos_590)) +// let _931 := 0xffffffffffffffff +// if gt(abi_decode_offset_64, _931) +// { +// revert(_2, _2) +// } +// let _933 := add(_488, abi_decode_offset_64) +// if iszero(slt(add(_933, 0x1f), _487)) +// { +// revert(_2, _2) +// } +// let abi_decode_length_30_1038 := calldataload(_933) +// if gt(abi_decode_length_30_1038, _931) +// { +// revert(_2, _2) +// } +// let abi_decode_array_allo__561 := mul(abi_decode_length_30_1038, _1) +// let abi_decode_array_29_279_1039 := allocateMemory(add(abi_decode_array_allo__561, _1)) +// let abi_decode_dst_31_1040 := abi_decode_array_29_279_1039 +// mstore(abi_decode_array_29_279_1039, abi_decode_length_30_1038) +// let abi_decode_offset_27_281_1041 := add(_933, _1) +// abi_decode_dst_31_1040 := add(abi_decode_array_29_279_1039, _1) +// let abi_decode_src_32_1042 := abi_decode_offset_27_281_1041 +// if gt(add(add(_933, abi_decode_array_allo__561), _1), _487) +// { +// revert(_2, _2) +// } +// for { +// let abi_decode_i_33_1044 := _2 +// } +// lt(abi_decode_i_33_1044, abi_decode_length_30_1038) +// { +// abi_decode_i_33_1044 := add(abi_decode_i_33_1044, 1) +// } +// { +// mstore(abi_decode_dst_31_1040, calldataload(abi_decode_src_32_1042)) +// abi_decode_dst_31_1040 := add(abi_decode_dst_31_1040, _1) +// abi_decode_src_32_1042 := add(abi_decode_src_32_1042, _1) +// } +// abi_decode_value2 := abi_decode_array_29_279_1039 +// } +// { +// let abi_decode_offset_65 := calldataload(add(_488, 96)) +// let _936 := 0xffffffffffffffff +// if gt(abi_decode_offset_65, _936) +// { +// revert(_2, _2) +// } +// let _938 := add(_488, abi_decode_offset_65) +// let abi_decode__489_1048 := 0x1f +// if iszero(slt(add(_938, abi_decode__489_1048), _487)) +// { +// revert(_2, _2) +// } +// let abi_decode_length_6_1050 := calldataload(_938) +// if gt(abi_decode_length_6_1050, _936) +// { +// revert(_2, _2) +// } +// let abi_decode_array_5_254_1051 := allocateMemory(add(mul(abi_decode_length_6_1050, _1), _1)) +// let abi_decode_dst_7_1052 := abi_decode_array_5_254_1051 +// mstore(abi_decode_array_5_254_1051, abi_decode_length_6_1050) +// let abi_decode_offset_3_256_1053 := add(_938, _1) +// abi_decode_dst_7_1052 := add(abi_decode_array_5_254_1051, _1) +// let abi_decode_src_8_1054 := abi_decode_offset_3_256_1053 +// if gt(add(add(_938, mul(abi_decode_length_6_1050, _924)), _1), _487) +// { +// revert(_2, _2) +// } +// for { +// let abi_decode_i_9_1058 := _2 +// } +// lt(abi_decode_i_9_1058, abi_decode_length_6_1050) +// { +// abi_decode_i_9_1058 := add(abi_decode_i_9_1058, 1) +// } +// { +// if iszero(slt(add(abi_decode_src_8_1054, abi_decode__489_1048), _487)) +// { +// revert(_2, _2) +// } +// let abi_decode_abi_decode_length_14 := 0x2 +// if _2 +// { +// revert(_2, _2) +// } +// let allocateMe_memPtr_315 := mload(abi_encode_pos_590) +// let allocateMe_newFreePtr := add(allocateMe_memPtr_315, abi_encode_pos_590) +// if or(gt(allocateMe_newFreePtr, _936), lt(allocateMe_newFreePtr, allocateMe_memPtr_315)) +// { +// revert(_2, _2) +// } +// mstore(abi_encode_pos_590, allocateMe_newFreePtr) +// let abi_decode_abi_decode_dst_15 := allocateMe_memPtr_315 +// let abi_decode_abi_decode_src_16 := abi_decode_src_8_1054 +// if gt(add(abi_decode_src_8_1054, abi_encode_pos_590), _487) +// { +// revert(_2, _2) +// } +// for { +// let abi_decode_abi_decode_i_17 := _2 +// } +// lt(abi_decode_abi_decode_i_17, abi_decode_abi_decode_length_14) +// { +// abi_decode_abi_decode_i_17 := add(abi_decode_abi_decode_i_17, 1) +// } +// { +// mstore(abi_decode_abi_decode_dst_15, calldataload(abi_decode_abi_decode_src_16)) +// abi_decode_abi_decode_dst_15 := add(abi_decode_abi_decode_dst_15, _1) +// abi_decode_abi_decode_src_16 := add(abi_decode_abi_decode_src_16, _1) +// } +// mstore(abi_decode_dst_7_1052, allocateMe_memPtr_315) +// abi_decode_dst_7_1052 := add(abi_decode_dst_7_1052, _1) +// abi_decode_src_8_1054 := add(abi_decode_src_8_1054, _924) +// } +// abi_decode_value3 := abi_decode_array_5_254_1051 +// } +// sstore(abi_decode_value0_60, abi_decode_value1_61) +// sstore(abi_decode_value2, abi_decode_value3) +// sstore(_2, abi_encode_pos) +// } +// function allocateMemory(size) -> memPtr +// { +// let _199 := 64 +// let memPtr_315 := mload(_199) +// memPtr := memPtr_315 +// let newFreePtr := add(memPtr_315, size) +// if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr_315)) +// { +// let _204 := 0 +// revert(_204, _204) +// } +// mstore(_199, newFreePtr) +// } +// } |