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Fix Yul codegen when dynamic array is used as rhs of assignment

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This commit is contained in:
Leonardo Alt 2020-03-20 17:52:51 +01:00
parent d55bbd4aa5
commit 0fcb1427c9
5 changed files with 62 additions and 1 deletions
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2
libsolidity/codegen/ir/IRGeneratorForStatements.cpp
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@ -1588,7 +1588,7 @@ void IRGeneratorForStatements::writeToLValue(IRLValue const& _lvalue, IRVariable
solAssert(dynamic_cast<ReferenceType const*>(&_lvalue.type), "");
auto const* valueReferenceType = dynamic_cast<ReferenceType const*>(&_value.type());
solAssert(valueReferenceType && valueReferenceType->dataStoredIn(DataLocation::Memory), "");
m_code << "mstore(" + _memory.address + ", " + _value.name() + ")\n";
m_code << "mstore(" + _memory.address + ", " + _value.part("mpos").name() + ")\n";
}
},
[&](IRLValue::Stack const& _stack) { assign(_stack.variable, _value); },

14
test/libsolidity/semanticTests/viaYul/array_2d_assignment.sol Normal file
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@ -0,0 +1,14 @@
contract C {
function f(uint n) public pure returns (uint) {
uint[][] memory a = new uint[][](2);
for (uint i = 0; i < 2; ++i)
a[i] = new uint[](3);
a[1][1] = n;
uint[] memory b = a[1];
return b[1];
}
}
// ====
// compileViaYul: also
// ----
// f(uint256): 42 -> 42

12
test/libsolidity/semanticTests/viaYul/array_2d_new.sol Normal file
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@ -0,0 +1,12 @@
contract C {
function f(uint n) public pure returns (uint) {
uint[][] memory a = new uint[][](2);
for (uint i = 0; i < 2; ++i)
a[i] = new uint[](3);
return a[0][0] = n;
}
}
// ====
// compileViaYul: also
// ----
// f(uint256): 42 -> 42

19
test/libsolidity/semanticTests/viaYul/array_3d_assignment.sol Normal file
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@ -0,0 +1,19 @@
contract C {
function f(uint n) public pure returns (uint) {
uint[][][] memory a = new uint[][][](2);
for (uint i = 0; i < 2; ++i)
{
a[i] = new uint[][](3);
for (uint j = 0; j < 3; ++j)
a[i][j] = new uint[](4);
}
a[1][1][1] = n;
uint[][] memory b = a[1];
uint[] memory c = b[1];
return c[1];
}
}
// ====
// compileViaYul: also
// ----
// f(uint256): 42 -> 42

16
test/libsolidity/semanticTests/viaYul/array_3d_new.sol Normal file
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@ -0,0 +1,16 @@
contract C {
function f(uint n) public pure returns (uint) {
uint[][][] memory a = new uint[][][](2);
for (uint i = 0; i < 2; ++i)
{
a[i] = new uint[][](3);
for (uint j = 0; j < 3; ++j)
a[i][j] = new uint[](4);
}
return a[1][1][1] = n;
}
}
// ====
// compileViaYul: also
// ----
// f(uint256): 42 -> 42