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Add bitshift optimizer tests
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test/libyul/yulOptimizerTests/expressionSimplifier
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{
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let a := and(0xff, shr(248, calldataload(0)))
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let b := and(shr(248, calldataload(0)), 0xff)
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let c := and(shr(249, calldataload(0)), 0xfa)
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let d := and(shr(247, calldataload(0)), 0xff)
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}
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// ====
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// EVMVersion: >byzantium
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// step: expressionSimplifier
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// ----
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// {
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// let a := shr(248, calldataload(0))
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// let b := shr(248, calldataload(0))
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// let c := and(shr(249, calldataload(0)), 0xfa)
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// let d := and(shr(247, calldataload(0)), 0xff)
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// }
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@ -0,0 +1,16 @@
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{
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let a := shl(299, calldataload(0))
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let b := shr(299, calldataload(1))
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let c := shl(255, calldataload(2))
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let d := shr(255, calldataload(3))
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}
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// ====
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// EVMVersion: >byzantium
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// step: expressionSimplifier
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// ----
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// {
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// let a := 0
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// let b := 0
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// let c := shl(255, calldataload(2))
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// let d := shr(255, calldataload(3))
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// }
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