mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
38 lines
935 B
Solidity
38 lines
935 B
Solidity
contract C {
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event ev0(uint[] i0, uint);
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bytes public s2;
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function h() external returns (bytes memory) {
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uint[] memory x = new uint[](2);
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emit ev0(x, 0x21);
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bytes memory m = new bytes(63);
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s2 = m;
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s2.push();
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return s2;
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}
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function g() external returns (bytes memory) {
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bytes memory m = new bytes(63);
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assembly {
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mstore8(add(m, add(32, 63)), 0x42)
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}
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s2 = m;
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s2.push();
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return s2;
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}
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function f(bytes calldata c) external returns (bytes memory) {
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s2 = c;
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s2.push();
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return s2;
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}
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}
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// ====
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// compileViaYul: also
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// ----
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// constructor() ->
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// gas irOptimized: 521983
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// gas legacy: 731840
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// gas legacyOptimized: 494859
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// h() -> 0x20, 0x40, 0x00, 0
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// ~ emit ev0(uint256[],uint256): 0x40, 0x21, 0x02, 0x00, 0x00
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// g() -> 0x20, 0x40, 0, 0x00
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// f(bytes): 0x20, 33, 0, -1 -> 0x20, 0x22, 0, 0xff00000000000000000000000000000000000000000000000000000000000000
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