From 60a368244ac4a92836fc64054ad7ee6130b386eb Mon Sep 17 00:00:00 2001 From: chriseth Date: Wed, 12 Dec 2018 18:56:02 +0100 Subject: [PATCH] Do not inline into already big functions. --- libyul/optimiser/FullInliner.cpp | 19 +- libyul/optimiser/FullInliner.h | 7 +- libyul/optimiser/Metrics.cpp | 3 + libyul/optimiser/Metrics.h | 12 +- .../fullInliner/large_function_multi_use.yul | 22 +- .../no_inline_into_big_function.yul | 44 +++ .../no_inline_into_big_global_context.yul | 41 +++ .../fullSuite/abi_example1.yul | 316 +++++++++--------- 8 files changed, 290 insertions(+), 174 deletions(-) create mode 100644 test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_function.yul create mode 100644 test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_global_context.yul diff --git a/libyul/optimiser/FullInliner.cpp b/libyul/optimiser/FullInliner.cpp index f69f7cdd4..04005847d 100644 --- a/libyul/optimiser/FullInliner.cpp +++ b/libyul/optimiser/FullInliner.cpp @@ -49,6 +49,8 @@ FullInliner::FullInliner(Block& _ast, NameDispenser& _dispenser): if (ssaValue.second && ssaValue.second->type() == typeid(Literal)) m_constants.emplace(ssaValue.first); + // Store size of global statements. + m_functionSizes[YulString{}] = CodeSize::codeSize(_ast); map references = ReferencesCounter::countReferences(m_ast); for (auto& statement: m_ast.statements) { @@ -58,7 +60,7 @@ FullInliner::FullInliner(Block& _ast, NameDispenser& _dispenser): m_functions[fun.name] = &fun; // Always inline functions that are only called once. if (references[fun.name] == 1) - m_alwaysInline.emplace(fun.name); + m_singleUse.emplace(fun.name); updateCodeSize(fun); } } @@ -98,7 +100,11 @@ bool FullInliner::shallInline(FunctionCall const& _funCall, YulString _callSite) if (!calledFunction) return false; - if (m_alwaysInline.count(calledFunction->name)) + // Do not inline into already big functions. + if (m_functionSizes.at(_callSite) > 100) + return false; + + if (m_singleUse.count(calledFunction->name)) return true; // Constant arguments might provide a means for further optimization, so they cause a bonus. @@ -114,7 +120,12 @@ bool FullInliner::shallInline(FunctionCall const& _funCall, YulString _callSite) } size_t size = m_functionSizes.at(calledFunction->name); - return (size < 10 || (constantArg && size < 50)); + return (size < 10 || (constantArg && size < 30)); +} + +void FullInliner::tentativelyUpdateCodeSize(YulString _function, YulString _callSite) +{ + m_functionSizes.at(_callSite) += m_functionSizes.at(_function); } @@ -155,6 +166,8 @@ vector InlineModifier::performInline(Statement& _statement, FunctionC FunctionDefinition* function = m_driver.function(_funCall.functionName.name); assertThrow(!!function, OptimizerException, "Attempt to inline invalid function."); + m_driver.tentativelyUpdateCodeSize(function->name, m_currentFunction); + // helper function to create a new variable that is supposed to model // an existing variable. auto newVariable = [&](TypedName const& _existingVariable, Expression* _value) { diff --git a/libyul/optimiser/FullInliner.h b/libyul/optimiser/FullInliner.h index 8f6211c83..d2dd3229d 100644 --- a/libyul/optimiser/FullInliner.h +++ b/libyul/optimiser/FullInliner.h @@ -85,6 +85,11 @@ public: return nullptr; } + /// Adds the size of _funCall to the size of _callSite. This is just + /// a rough estimate that is done during inlining. The proper size + /// should be determined after inlining is completed. + void tentativelyUpdateCodeSize(YulString _function, YulString _callSite); + private: void updateCodeSize(FunctionDefinition& fun); void handleBlock(YulString _currentFunctionName, Block& _block); @@ -94,7 +99,7 @@ private: Block& m_ast; std::map m_functions; /// Names of functions to always inline. - std::set m_alwaysInline; + std::set m_singleUse; /// Variables that are constants (used for inlining heuristic) std::set m_constants; std::map m_functionSizes; diff --git a/libyul/optimiser/Metrics.cpp b/libyul/optimiser/Metrics.cpp index a5557fb34..8fc9476e1 100644 --- a/libyul/optimiser/Metrics.cpp +++ b/libyul/optimiser/Metrics.cpp @@ -48,6 +48,9 @@ size_t CodeSize::codeSize(Block const& _block) void CodeSize::visit(Statement const& _statement) { + if (_statement.type() == typeid(FunctionDefinition)) + return; + ++m_size; ASTWalker::visit(_statement); } diff --git a/libyul/optimiser/Metrics.h b/libyul/optimiser/Metrics.h index ca2446004..d26ecbd92 100644 --- a/libyul/optimiser/Metrics.h +++ b/libyul/optimiser/Metrics.h @@ -25,17 +25,17 @@ namespace yul { +/** + * Metric for the size of code. + * More specifically, the number of AST nodes. + * Ignores function definitions while traversing the AST. + * If you want to know the size of a function, you have to invoke this on its body. + */ class CodeSize: public ASTWalker { public: - /// Returns a metric for the code size of an AST element. - /// More specifically, it returns the number of AST nodes. static size_t codeSize(Statement const& _statement); - /// Returns a metric for the code size of an AST element. - /// More specifically, it returns the number of AST nodes. static size_t codeSize(Expression const& _expression); - /// Returns a metric for the code size of an AST element. - /// More specifically, it returns the number of AST nodes. static size_t codeSize(Block const& _block); private: diff --git a/test/libyul/yulOptimizerTests/fullInliner/large_function_multi_use.yul b/test/libyul/yulOptimizerTests/fullInliner/large_function_multi_use.yul index ec44dafb6..e0dad8b81 100644 --- a/test/libyul/yulOptimizerTests/fullInliner/large_function_multi_use.yul +++ b/test/libyul/yulOptimizerTests/fullInliner/large_function_multi_use.yul @@ -2,8 +2,6 @@ function f(a) -> b { let x := mload(a) b := sload(x) - let c := 3 - mstore(mul(a, b), mload(x)) let y := add(a, x) sstore(y, 10) } @@ -28,28 +26,22 @@ // let f_b // let f_x := mload(f_a) // f_b := sload(f_x) -// let f_c := 3 -// mstore(mul(f_a, f_b), mload(f_x)) // let f_y := add(f_a, f_x) // sstore(f_y, 10) // let t := f_b // let a3 -// let f_a_5 := a3 -// let f_b_6 -// let f_x_7 := mload(f_a_5) -// f_b_6 := sload(f_x_7) -// let f_c_8 := 3 -// mstore(mul(f_a_5, f_b_6), mload(f_x_7)) -// let f_y_11 := add(f_a_5, f_x_7) -// sstore(f_y_11, 10) -// let s := f_b_6 +// let f_a_3 := a3 +// let f_b_4 +// let f_x_5 := mload(f_a_3) +// f_b_4 := sload(f_x_5) +// let f_y_6 := add(f_a_3, f_x_5) +// sstore(f_y_6, 10) +// let s := f_b_4 // } // function f(a) -> b // { // let x := mload(a) // b := sload(x) -// let c := 3 -// mstore(mul(a, b), mload(x)) // let y := add(a, x) // sstore(y, 10) // } diff --git a/test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_function.yul b/test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_function.yul new file mode 100644 index 000000000..7b1558c0f --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_function.yul @@ -0,0 +1,44 @@ +{ + function f(a) -> b { + let x := mload(a) + b := sload(x) + } + // This will stop inlining at some point because + // the function gets too big. + function g() -> x { + x := f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(2))))))))))))))))))) + } +} +// ---- +// fullInliner +// { +// function f(a) -> b +// { +// b := sload(mload(a)) +// } +// function g() -> x_1 +// { +// let f_a := 2 +// let f_b +// f_b := sload(mload(f_a)) +// let f_a_20 := f_b +// let f_b_21 +// f_b_21 := sload(mload(f_a_20)) +// let f_a_23 := f_b_21 +// let f_b_24 +// f_b_24 := sload(mload(f_a_23)) +// let f_a_26 := f_b_24 +// let f_b_27 +// f_b_27 := sload(mload(f_a_26)) +// let f_a_29 := f_b_27 +// let f_b_30 +// f_b_30 := sload(mload(f_a_29)) +// let f_a_32 := f_b_30 +// let f_b_33 +// f_b_33 := sload(mload(f_a_32)) +// let f_a_35 := f_b_33 +// let f_b_36 +// f_b_36 := sload(mload(f_a_35)) +// x_1 := f(f(f(f(f(f(f(f(f(f(f(f(f_b_36)))))))))))) +// } +// } diff --git a/test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_global_context.yul b/test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_global_context.yul new file mode 100644 index 000000000..c8c49d390 --- /dev/null +++ b/test/libyul/yulOptimizerTests/fullInliner/no_inline_into_big_global_context.yul @@ -0,0 +1,41 @@ +{ + function f(a) -> b { + let x := mload(a) + b := sload(x) + } + // This will stop inlining at some point because + // the global context gets too big. + let x := f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(f(2))))))))))))))))))) +} +// ---- +// fullInliner +// { +// { +// let f_a := 2 +// let f_b +// f_b := sload(mload(f_a)) +// let f_a_20 := f_b +// let f_b_21 +// f_b_21 := sload(mload(f_a_20)) +// let f_a_23 := f_b_21 +// let f_b_24 +// f_b_24 := sload(mload(f_a_23)) +// let f_a_26 := f_b_24 +// let f_b_27 +// f_b_27 := sload(mload(f_a_26)) +// let f_a_29 := f_b_27 +// let f_b_30 +// f_b_30 := sload(mload(f_a_29)) +// let f_a_32 := f_b_30 +// let f_b_33 +// f_b_33 := sload(mload(f_a_32)) +// let f_a_35 := f_b_33 +// let f_b_36 +// f_b_36 := sload(mload(f_a_35)) +// let x_1 := f(f(f(f(f(f(f(f(f(f(f(f(f_b_36)))))))))))) +// } +// function f(a) -> b +// { +// b := sload(mload(a)) +// } +// } diff --git a/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul b/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul index 61ba11d22..ec848015b 100644 --- a/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul +++ b/test/libyul/yulOptimizerTests/fullSuite/abi_example1.yul @@ -465,8 +465,7 @@ // 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 +// abi_encode_pos := 64 // let abi_encode_srcPtr := add(_485, _1) // let abi_encode_i_69 := _2 // for { @@ -476,164 +475,163 @@ // abi_encode_i_69 := add(abi_encode_i_69, 1) // } // { -// let _931 := mload(abi_encode_srcPtr) -// let abi_encode_pos_71_1037 := abi_encode_pos -// let abi_encode_length_72_1038 := 0x3 -// let abi_encode_srcPtr_73_1039 := _931 -// let abi_encode_i_74_1040 := _2 +// let _854 := mload(abi_encode_srcPtr) +// let abi_encode_pos_71_961 := abi_encode_pos +// let abi_encode_length_72_962 := 0x3 +// let abi_encode_srcPtr_73_963 := _854 +// let abi_encode_i_74_964 := _2 // for { // } -// lt(abi_encode_i_74_1040, abi_encode_length_72_1038) +// lt(abi_encode_i_74_964, abi_encode_length_72_962) // { -// abi_encode_i_74_1040 := add(abi_encode_i_74_1040, 1) +// abi_encode_i_74_964 := add(abi_encode_i_74_964, 1) // } // { -// mstore(abi_encode_pos_71_1037, and(mload(abi_encode_srcPtr_73_1039), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) -// abi_encode_srcPtr_73_1039 := add(abi_encode_srcPtr_73_1039, _1) -// abi_encode_pos_71_1037 := add(abi_encode_pos_71_1037, _1) +// mstore(abi_encode_pos_71_961, and(mload(abi_encode_srcPtr_73_963), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) +// abi_encode_srcPtr_73_963 := add(abi_encode_srcPtr_73_963, _1) +// abi_encode_pos_71_961 := add(abi_encode_pos_71_961, _1) // } // abi_encode_srcPtr := add(abi_encode_srcPtr, _1) // abi_encode_pos := add(abi_encode_pos, 0x60) // } -// let _933 := 0x40 -// let _487 := mload(_933) -// 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 _940 := 0xffffffffffffffff -// if gt(abi_decode_offset_64, _940) -// { -// revert(_2, _2) -// } -// let _942 := add(_488, abi_decode_offset_64) -// if iszero(slt(add(_942, 0x1f), _487)) -// { -// revert(_2, _2) -// } -// let abi_decode_length_30_1046 := calldataload(_942) -// if gt(abi_decode_length_30_1046, _940) -// { -// revert(_2, _2) -// } -// let abi_decode_array_allo__561 := mul(abi_decode_length_30_1046, _1) -// let abi_decode_array_29_279_1047 := allocateMemory(add(abi_decode_array_allo__561, _1)) -// let abi_decode_dst_31_1048 := abi_decode_array_29_279_1047 -// mstore(abi_decode_array_29_279_1047, abi_decode_length_30_1046) -// let abi_decode_offset_27_281_1049 := add(_942, _1) -// abi_decode_dst_31_1048 := add(abi_decode_array_29_279_1047, _1) -// let abi_decode_src_32_1050 := abi_decode_offset_27_281_1049 -// if gt(add(add(_942, abi_decode_array_allo__561), _1), _487) -// { -// revert(_2, _2) -// } -// let abi_decode_i_33_1052 := _2 -// for { -// } -// lt(abi_decode_i_33_1052, abi_decode_length_30_1046) -// { -// abi_decode_i_33_1052 := add(abi_decode_i_33_1052, 1) -// } -// { -// mstore(abi_decode_dst_31_1048, calldataload(abi_decode_src_32_1050)) -// abi_decode_dst_31_1048 := add(abi_decode_dst_31_1048, _1) -// abi_decode_src_32_1050 := add(abi_decode_src_32_1050, _1) -// } -// abi_decode_value2 := abi_decode_array_29_279_1047 -// } -// { -// let abi_decode_offset_65 := calldataload(add(_488, 96)) -// let _945 := 0xffffffffffffffff -// if gt(abi_decode_offset_65, _945) -// { -// revert(_2, _2) -// } -// let _947 := add(_488, abi_decode_offset_65) -// let abi_decode__489_1056 := 0x1f -// if iszero(slt(add(_947, abi_decode__489_1056), _487)) -// { -// revert(_2, _2) -// } -// let abi_decode_length_6_1058 := calldataload(_947) -// if gt(abi_decode_length_6_1058, _945) -// { -// revert(_2, _2) -// } -// let abi_decode_array_5_254_1061 := allocateMemory(add(mul(abi_decode_length_6_1058, _1), _1)) -// let abi_decode_dst_7_1062 := abi_decode_array_5_254_1061 -// mstore(abi_decode_array_5_254_1061, abi_decode_length_6_1058) -// let abi_decode_offset_3_256_1063 := add(_947, _1) -// abi_decode_dst_7_1062 := add(abi_decode_array_5_254_1061, _1) -// let abi_decode_src_8_1064 := abi_decode_offset_3_256_1063 -// if gt(add(add(_947, mul(abi_decode_length_6_1058, _933)), _1), _487) -// { -// revert(_2, _2) -// } -// let abi_decode_i_9_1068 := _2 -// for { -// } -// lt(abi_decode_i_9_1068, abi_decode_length_6_1058) -// { -// abi_decode_i_9_1068 := add(abi_decode_i_9_1068, 1) -// } -// { -// if iszero(slt(add(abi_decode_src_8_1064, abi_decode__489_1056), _487)) -// { -// revert(_2, _2) -// } -// let abi_decode_abi_decode_length_14_1069 := 0x2 -// 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, _945), lt(allocateMe_newFreePtr, allocateMe_memPtr_315)) -// { -// revert(_2, _2) -// } -// mstore(abi_encode_pos_590, allocateMe_newFreePtr) -// let abi_decode_abi_decode_dst_15_1071 := allocateMe_memPtr_315 -// let abi_decode_abi_decode_src_16_1072 := abi_decode_src_8_1064 -// if gt(add(abi_decode_src_8_1064, abi_encode_pos_590), _487) -// { -// revert(_2, _2) -// } -// let abi_decode_abi_decode_i_17_1073 := _2 -// for { -// } -// lt(abi_decode_abi_decode_i_17_1073, abi_decode_abi_decode_length_14_1069) -// { -// abi_decode_abi_decode_i_17_1073 := add(abi_decode_abi_decode_i_17_1073, 1) -// } -// { -// mstore(abi_decode_abi_decode_dst_15_1071, calldataload(abi_decode_abi_decode_src_16_1072)) -// abi_decode_abi_decode_dst_15_1071 := add(abi_decode_abi_decode_dst_15_1071, _1) -// abi_decode_abi_decode_src_16_1072 := add(abi_decode_abi_decode_src_16_1072, _1) -// } -// mstore(abi_decode_dst_7_1062, allocateMe_memPtr_315) -// abi_decode_dst_7_1062 := add(abi_decode_dst_7_1062, _1) -// abi_decode_src_8_1064 := add(abi_decode_src_8_1064, _933) -// } -// abi_decode_value3 := abi_decode_array_5_254_1061 -// } -// sstore(abi_decode_value0_60, abi_decode_value1_61) -// sstore(abi_decode_value2, abi_decode_value3) +// 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(_1), mload(0x40)) +// sstore(a, b) +// sstore(c, d) // sstore(_2, abi_encode_pos) // } +// function abi_decode_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(offset_3, end_4) -> array_5 +// { +// if iszero(slt(add(offset_3, 0x1f), end_4)) +// { +// let _33 := 0 +// revert(_33, _33) +// } +// let length_6 := calldataload(offset_3) +// let array_5_254 := allocateMemory(array_allocation_size_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(length_6)) +// array_5 := array_5_254 +// let dst_7 := array_5_254 +// mstore(array_5_254, length_6) +// let _36 := 0x20 +// let offset_3_256 := add(offset_3, _36) +// dst_7 := add(array_5_254, _36) +// let src_8 := offset_3_256 +// let _38 := 0x40 +// if gt(add(add(offset_3, mul(length_6, _38)), _36), end_4) +// { +// let _42 := 0 +// revert(_42, _42) +// } +// let i_9 := 0 +// for { +// } +// lt(i_9, length_6) +// { +// i_9 := add(i_9, 1) +// } +// { +// mstore(dst_7, abi_decode_t_array$_t_uint256_$2_memory(src_8, end_4)) +// dst_7 := add(dst_7, _36) +// src_8 := add(src_8, _38) +// } +// } +// function abi_decode_t_array$_t_uint256_$2_memory(offset_11, end_12) -> array_13 +// { +// if iszero(slt(add(offset_11, 0x1f), end_12)) +// { +// let _52 := 0 +// revert(_52, _52) +// } +// let length_14 := 0x2 +// let array_allo__558 := 0x20 +// let array_allo_size_95_604 := 64 +// let array_13_263 := allocateMemory(array_allo_size_95_604) +// array_13 := array_13_263 +// let dst_15 := array_13_263 +// let src_16 := offset_11 +// if gt(add(offset_11, array_allo_size_95_604), end_12) +// { +// let _59 := 0 +// revert(_59, _59) +// } +// let i_17 := 0 +// for { +// } +// lt(i_17, length_14) +// { +// i_17 := add(i_17, 1) +// } +// { +// mstore(dst_15, calldataload(src_16)) +// dst_15 := add(dst_15, array_allo__558) +// src_16 := add(src_16, array_allo__558) +// } +// } +// function abi_decode_t_array$_t_uint256_$dyn_memory_ptr(offset_27, end_28) -> array_29 +// { +// if iszero(slt(add(offset_27, 0x1f), end_28)) +// { +// let _88 := 0 +// revert(_88, _88) +// } +// let length_30 := calldataload(offset_27) +// let array_29_279 := allocateMemory(array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr(length_30)) +// array_29 := array_29_279 +// let dst_31 := array_29_279 +// mstore(array_29_279, length_30) +// let _91 := 0x20 +// let offset_27_281 := add(offset_27, _91) +// dst_31 := add(array_29_279, _91) +// let src_32 := offset_27_281 +// if gt(add(add(offset_27, mul(length_30, _91)), _91), end_28) +// { +// let _97 := 0 +// revert(_97, _97) +// } +// let i_33 := 0 +// for { +// } +// lt(i_33, length_30) +// { +// i_33 := add(i_33, 1) +// } +// { +// mstore(dst_31, calldataload(src_32)) +// dst_31 := add(dst_31, _91) +// src_32 := add(src_32, _91) +// } +// } +// function abi_decode_tuple_t_uint256t_uint256t_array$_t_uint256_$dyn_memory_ptrt_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(headStart_58, dataEnd_59) -> value0_60, value1_61, value2, value3 +// { +// if slt(sub(dataEnd_59, headStart_58), 128) +// { +// let _159 := 0 +// revert(_159, _159) +// } +// { +// value0_60 := calldataload(headStart_58) +// } +// { +// value1_61 := calldataload(add(headStart_58, 32)) +// } +// { +// let offset_64 := calldataload(add(headStart_58, 64)) +// if gt(offset_64, 0xffffffffffffffff) +// { +// let _167 := 0 +// revert(_167, _167) +// } +// value2 := abi_decode_t_array$_t_uint256_$dyn_memory_ptr(add(headStart_58, offset_64), dataEnd_59) +// } +// { +// let offset_65 := calldataload(add(headStart_58, 96)) +// if gt(offset_65, 0xffffffffffffffff) +// { +// let _174 := 0 +// revert(_174, _174) +// } +// value3 := abi_decode_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(add(headStart_58, offset_65), dataEnd_59) +// } +// } // function allocateMemory(size) -> memPtr // { // let _199 := 64 @@ -647,4 +645,24 @@ // } // mstore(_199, newFreePtr) // } +// function array_allocation_size_t_array$_t_array$_t_uint256_$2_memory_$dyn_memory_ptr(length_92) -> size_93 +// { +// if gt(length_92, 0xffffffffffffffff) +// { +// let _215 := 0 +// revert(_215, _215) +// } +// let _217 := 0x20 +// size_93 := add(mul(length_92, _217), _217) +// } +// function array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr(length_98) -> size_99 +// { +// if gt(length_98, 0xffffffffffffffff) +// { +// let _232 := 0 +// revert(_232, _232) +// } +// let _234 := 0x20 +// size_99 := add(mul(length_98, _234), _234) +// } // }