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Improve abi decoding functions for arrays.

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This commit is contained in:
Daniel Kirchner 2021-09-15 12:28:20 +02:00
parent 0fa24c786b
commit d1c0b428fc
18 changed files with 58 additions and 63 deletions
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8
libsolidity/codegen/ABIFunctions.cpp
View File

@ -1170,6 +1170,7 @@ string ABIFunctions::abiDecodingFunctionArrayAvailableLength(ArrayType const& _t
solAssert(_type.dataStoredIn(DataLocation::Memory), "");
if (_type.isByteArray())
return abiDecodingFunctionByteArrayAvailableLength(_type, _fromMemory);
solAssert(_type.calldataStride() > 0, "");
string functionName =
"abi_decode_available_length_" +
@ -1186,11 +1187,11 @@ string ABIFunctions::abiDecodingFunctionArrayAvailableLength(ArrayType const& _t
mstore(array, length)
dst := add(array, 0x20)
</dynamic>
let src := offset
if gt(add(src, mul(length, <stride>)), end) {
let srcEnd := add(offset, mul(length, <stride>))
if gt(srcEnd, end) {
<revertInvalidStride>()
}
for { let i := 0 } lt(i, length) { i := add(i, 1) }
for { let src := offset } lt(src, srcEnd) { src := add(src, <stride>) }
{
<?dynamicBase>
let innerOffset := <load>(src)
@ -1201,7 +1202,6 @@ string ABIFunctions::abiDecodingFunctionArrayAvailableLength(ArrayType const& _t
</dynamicBase>
mstore(dst, <decodingFun>(elementPos, end))
dst := add(dst, 0x20)
src := add(src, <stride>)
}
}
)");

11
test/cmdlineTests/name_simplifier/output
View File

@ -43,17 +43,16 @@ object "C_59" {
let dst_1 := dst
mstore(dst, _4)
dst := add(dst, _2)
let srcEnd := add(add(offset, _5), 36)
if gt(srcEnd, calldatasize()) { revert(_1, _1) }
let src := add(offset, 36)
if gt(add(add(offset, _5), 36), calldatasize()) { revert(_1, _1) }
let i := _1
for { } lt(i, _4) { i := add(i, 1) }
for { } lt(src, srcEnd) { src := add(src, _2) }
{
if slt(sub(calldatasize(), src), _2) { revert(_1, _1) }
let value := allocate_memory_1236()
let value := allocate_memory_1174()
mstore(value, calldataload(src))
mstore(dst, value)
dst := add(dst, _2)
src := add(src, _2)
}
let ret, ret_1 := fun_sumArray(dst_1)
let memPos := mload(64)
@ -68,7 +67,7 @@ object "C_59" {
mstore(4, 0x41)
revert(0, 0x24)
}
function allocate_memory_1236() -> memPtr
function allocate_memory_1174() -> memPtr
{
memPtr := mload(64)
let newFreePtr := add(memPtr, 32)

14
test/cmdlineTests/revert_strings/output
View File

@ -252,18 +252,17 @@ object "C_15" {
mstore(array, length)
dst := add(array, 0x20)
let src := offset
if gt(add(src, mul(length, 0x20)), end) {
let srcEnd := add(offset, mul(length, 0x20))
if gt(srcEnd, end) {
revert_error_81385d8c0b31fffe14be1da910c8bd3a80be4cfa248e04f42ec0faea3132a8ef()
}
for { let i := 0 } lt(i, length) { i := add(i, 1) }
for { let src := offset } lt(src, srcEnd) { src := add(src, 0x20) }
{
let elementPos := src
mstore(dst, abi_decode_t_uint256(elementPos, end))
dst := add(dst, 0x20)
src := add(src, 0x20)
}
}
@ -282,11 +281,11 @@ object "C_15" {
mstore(array, length)
dst := add(array, 0x20)
let src := offset
if gt(add(src, mul(length, 0x20)), end) {
let srcEnd := add(offset, mul(length, 0x20))
if gt(srcEnd, end) {
revert_error_81385d8c0b31fffe14be1da910c8bd3a80be4cfa248e04f42ec0faea3132a8ef()
}
for { let i := 0 } lt(i, length) { i := add(i, 1) }
for { let src := offset } lt(src, srcEnd) { src := add(src, 0x20) }
{
let innerOffset := calldataload(src)
@ -295,7 +294,6 @@ object "C_15" {
mstore(dst, abi_decode_t_array$_t_uint256_$dyn_memory_ptr(elementPos, end))
dst := add(dst, 0x20)
src := add(src, 0x20)
}
}

2
test/cmdlineTests/standard_function_debug_info/output.json
View File

@ -1 +1 @@
{"contracts":{"a.sol":{"A":{"evm":{"bytecode":{"functionDebugData":{}},"deployedBytecode":{"functionDebugData":{"@f_19":{"entryPoint":96,"id":19,"parameterSlots":1,"returnSlots":1},"abi_decode_available_length_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":439,"id":null,"parameterSlots":3,"returnSlots":1},"abi_decode_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":551,"id":null,"parameterSlots":2,"returnSlots":1},"abi_decode_t_uint256":{"entryPoint":418,"id":null,"parameterSlots":2,"returnSlots":1},"abi_decode_tuple_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":597,"id":null,"parameterSlots":2,"returnSlots":1},"abi_encode_t_uint256_to_t_uint256_fromStack":{"entryPoint":670,"id":null,"parameterSlots":2,"returnSlots":0},"abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed":{"entryPoint":685,"id":null,"parameterSlots":2,"returnSlots":1},"allocate_memory":{"entryPoint":309,"id":null,"parameterSlots":1,"returnSlots":1},"allocate_unbounded":{"entryPoint":171,"id":null,"parameterSlots":0,"returnSlots":1},"array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":336,"id":null,"parameterSlots":1,"returnSlots":1},"checked_add_t_uint256":{"entryPoint":806,"id":null,"parameterSlots":2,"returnSlots":1},"cleanup_t_uint256":{"entryPoint":385,"id":null,"parameterSlots":1,"returnSlots":1},"finalize_allocation":{"entryPoint":260,"id":null,"parameterSlots":2,"returnSlots":0},"panic_error_0x11":{"entryPoint":759,"id":null,"parameterSlots":0,"returnSlots":0},"panic_error_0x32":{"entryPoint":712,"id":null,"parameterSlots":0,"returnSlots":0},"panic_error_0x41":{"entryPoint":213,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_1b9f4a0a5773e33b91aa01db23bf8c55fce1411167c872835e7fa00a4f17d46d":{"entryPoint":191,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_81385d8c0b31fffe14be1da910c8bd3a80be4cfa248e04f42ec0faea3132a8ef":{"entryPoint":380,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_c1322bf8034eace5e0b5c7295db60986aa89aae5e0ea0873e4689e076861a5db":{"entryPoint":186,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b":{"entryPoint":181,"id":null,"parameterSlots":0,"returnSlots":0},"round_up_to_mul_of_32":{"entryPoint":196,"id":null,"parameterSlots":1,"returnSlots":1},"validator_revert_t_uint256":{"entryPoint":395,"id":null,"parameterSlots":1,"returnSlots":0}}}}}}},"sources":{"a.sol":{"id":0}}}
{"contracts":{"a.sol":{"A":{"evm":{"bytecode":{"functionDebugData":{}},"deployedBytecode":{"functionDebugData":{"@f_19":{"entryPoint":96,"id":19,"parameterSlots":1,"returnSlots":1},"abi_decode_available_length_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":439,"id":null,"parameterSlots":3,"returnSlots":1},"abi_decode_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":544,"id":null,"parameterSlots":2,"returnSlots":1},"abi_decode_t_uint256":{"entryPoint":418,"id":null,"parameterSlots":2,"returnSlots":1},"abi_decode_tuple_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":590,"id":null,"parameterSlots":2,"returnSlots":1},"abi_encode_t_uint256_to_t_uint256_fromStack":{"entryPoint":663,"id":null,"parameterSlots":2,"returnSlots":0},"abi_encode_tuple_t_uint256__to_t_uint256__fromStack_reversed":{"entryPoint":678,"id":null,"parameterSlots":2,"returnSlots":1},"allocate_memory":{"entryPoint":309,"id":null,"parameterSlots":1,"returnSlots":1},"allocate_unbounded":{"entryPoint":171,"id":null,"parameterSlots":0,"returnSlots":1},"array_allocation_size_t_array$_t_uint256_$dyn_memory_ptr":{"entryPoint":336,"id":null,"parameterSlots":1,"returnSlots":1},"checked_add_t_uint256":{"entryPoint":799,"id":null,"parameterSlots":2,"returnSlots":1},"cleanup_t_uint256":{"entryPoint":385,"id":null,"parameterSlots":1,"returnSlots":1},"finalize_allocation":{"entryPoint":260,"id":null,"parameterSlots":2,"returnSlots":0},"panic_error_0x11":{"entryPoint":752,"id":null,"parameterSlots":0,"returnSlots":0},"panic_error_0x32":{"entryPoint":705,"id":null,"parameterSlots":0,"returnSlots":0},"panic_error_0x41":{"entryPoint":213,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_1b9f4a0a5773e33b91aa01db23bf8c55fce1411167c872835e7fa00a4f17d46d":{"entryPoint":191,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_81385d8c0b31fffe14be1da910c8bd3a80be4cfa248e04f42ec0faea3132a8ef":{"entryPoint":380,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_c1322bf8034eace5e0b5c7295db60986aa89aae5e0ea0873e4689e076861a5db":{"entryPoint":186,"id":null,"parameterSlots":0,"returnSlots":0},"revert_error_dbdddcbe895c83990c08b3492a0e83918d802a52331272ac6fdb6a7c4aea3b1b":{"entryPoint":181,"id":null,"parameterSlots":0,"returnSlots":0},"round_up_to_mul_of_32":{"entryPoint":196,"id":null,"parameterSlots":1,"returnSlots":1},"validator_revert_t_uint256":{"entryPoint":395,"id":null,"parameterSlots":1,"returnSlots":0}}}}}}},"sources":{"a.sol":{"id":0}}}

9
test/cmdlineTests/standard_generatedSources/output.json
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9
test/cmdlineTests/standard_optimizer_generatedSources/output.json
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File diff suppressed because one or more lines are too long

6
test/libsolidity/gasTests/abiv2.sol
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@ -14,9 +14,9 @@ contract C {
}
// ----
// creation:
// codeDepositCost: 1259800
// executionCost: 1308
// totalCost: 1261108
// codeDepositCost: 1243000
// executionCost: 1295
// totalCost: 1244295
// external:
// a(): 2430
// b(uint256): infinite

6
test/libsolidity/gasTests/abiv2_optimised.sol
View File

@ -17,9 +17,9 @@ contract C {
// optimize-yul: true
// ----
// creation:
// codeDepositCost: 680600
// executionCost: 715
// totalCost: 681315
// codeDepositCost: 660800
// executionCost: 696
// totalCost: 661496
// external:
// a(): 2285
// b(uint256): 4652

6
test/libsolidity/semanticTests/abiEncoderV1/abi_decode_v2_storage.sol
View File

@ -24,6 +24,6 @@ contract C {
// compileViaYul: also
// ----
// f() -> 0x20, 0x8, 0x40, 0x3, 0x9, 0xa, 0xb
// gas irOptimized: 203556
// gas legacy: 206126
// gas legacyOptimized: 203105
// gas irOptimized: 203522
// gas legacy: 206084
// gas legacyOptimized: 203068

6
test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_function_inherited_in_v1_contract.sol
View File

@ -32,6 +32,6 @@ contract C is B {
// compileViaYul: also
// ----
// test() -> 77
// gas irOptimized: 121752
// gas legacy: 155249
// gas legacyOptimized: 111743
// gas irOptimized: 121699
// gas legacy: 155221
// gas legacyOptimized: 111678

2
test/libsolidity/semanticTests/abiEncoderV2/calldata_array.sol
View File

@ -21,6 +21,6 @@ contract C {
// f(uint256[][1]): 32, 32, 0 -> true
// f(uint256[][1]): 32, 32, 1, 42 -> true
// f(uint256[][1]): 32, 32, 8, 421, 422, 423, 424, 425, 426, 427, 428 -> true
// gas irOptimized: 177719
// gas irOptimized: 177581
// gas legacy: 141900
// gas legacyOptimized: 121788

6
test/libsolidity/semanticTests/array/arrays_complex_from_and_to_storage.sol
View File

@ -14,9 +14,9 @@ contract Test {
// compileViaYul: also
// ----
// set(uint24[3][]): 0x20, 0x06, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12 -> 0x06
// gas irOptimized: 189567
// gas legacy: 211485
// gas legacyOptimized: 206394
// gas irOptimized: 189239
// gas legacy: 211149
// gas legacyOptimized: 206054
// data(uint256,uint256): 0x02, 0x02 -> 0x09
// data(uint256,uint256): 0x05, 0x01 -> 0x11
// data(uint256,uint256): 0x06, 0x00 -> FAILURE

6
test/libsolidity/semanticTests/array/copying/arrays_from_and_to_storage.sol
View File

@ -12,9 +12,9 @@ contract Test {
// compileViaYul: also
// ----
// set(uint24[]): 0x20, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 -> 18
// gas irOptimized: 100066
// gas legacy: 103815
// gas legacyOptimized: 101614
// gas irOptimized: 99873
// gas legacy: 103563
// gas legacyOptimized: 101397
// data(uint256): 7 -> 8
// data(uint256): 15 -> 16
// data(uint256): 18 -> FAILURE

6
test/libsolidity/semanticTests/array/fixed_arrays_as_return_type.sol
View File

@ -21,6 +21,6 @@ contract B {
// compileViaYul: also
// ----
// f() -> 2, 3, 4, 5, 6, 1000, 1001, 1002, 1003, 1004
// gas irOptimized: 121038
// gas legacy: 235339
// gas legacyOptimized: 133299
// gas irOptimized: 120848
// gas legacy: 235199
// gas legacyOptimized: 133119

6
test/libsolidity/semanticTests/array/function_array_cross_calls.sol
View File

@ -45,6 +45,6 @@ contract C {
// compileViaYul: also
// ----
// test() -> 5, 6, 7
// gas irOptimized: 299965
// gas legacy: 463662
// gas legacyOptimized: 296513
// gas irOptimized: 297690
// gas legacy: 462080
// gas legacyOptimized: 294938

6
test/libsolidity/semanticTests/constructor/arrays_in_constructors.sol
View File

@ -26,6 +26,6 @@ contract Creator {
// compileViaYul: also
// ----
// f(uint256,address[]): 7, 0x40, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 -> 7, 8
// gas irOptimized: 459815
// gas legacy: 592626
// gas legacyOptimized: 450224
// gas irOptimized: 458295
// gas legacy: 590939
// gas legacyOptimized: 448582

6
test/libsolidity/semanticTests/inheritance/inherited_function_calldata_memory_interface.sol
View File

@ -25,6 +25,6 @@ contract B {
// compileViaYul: also
// ----
// g() -> 42
// gas irOptimized: 110833
// gas legacy: 186609
// gas legacyOptimized: 116151
// gas irOptimized: 105784
// gas legacy: 185181
// gas legacyOptimized: 114726

6
test/libsolidity/semanticTests/userDefinedValueType/calldata.sol
View File

@ -55,9 +55,9 @@ contract C {
// gas legacy: 125037
// gas legacyOptimized: 122605
// test_g() -> true
// gas irOptimized: 95969
// gas legacy: 100656
// gas legacyOptimized: 96057
// gas irOptimized: 95908
// gas legacy: 100586
// gas legacyOptimized: 95996
// addresses(uint256): 0 -> 0x18
// addresses(uint256): 1 -> 0x19
// addresses(uint256): 3 -> 0x1b