mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
27 lines
793 B
Solidity
27 lines
793 B
Solidity
contract C {
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struct S { uint x; uint y; uint z; }
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function memorySize() internal pure returns (uint s) {
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assembly { s := mload(0x40) }
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}
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function withValue() public pure returns (uint) {
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S memory x = S(1, 2, 3);
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uint memorySizeBefore = memorySize();
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S memory t = x;
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uint memorySizeAfter = memorySize();
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return memorySizeAfter - memorySizeBefore;
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}
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function withoutValue() public pure returns (uint) {
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uint memorySizeBefore = memorySize();
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S memory t;
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uint memorySizeAfter = memorySize();
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return memorySizeAfter - memorySizeBefore;
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}
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}
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// ====
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// requiresYulOptimizer: minimalStack
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// compileToEwasm: also
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// compileViaYul: also
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// ----
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// withValue() -> 0x00
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// withoutValue() -> 0x60
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