solidity/test/libyul/objectCompiler/simple_optimizer.yul

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{
let x := calldataload(0)
let y := calldataload(0)
let z := sub(y, x)
sstore(add(x, 0), z)
}
// ====
// optimizationPreset: full
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// ----
// Assembly:
// /* "source":26:27 */
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// 0x00
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// dup1
// /* "source":13:28 */
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// calldataload
// /* "source":79:99 */
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// sstore
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// Bytecode: 6000803555
// Opcodes: PUSH1 0x0 DUP1 CALLDATALOAD SSTORE
// SourceMappings: 26:1:0:-:0;;13:15;79:20