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Merge pull request #11296 from ethereum/returnVariableZeroReplacementAddendum

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Add test.
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chriseth 2021-04-22 17:53:02 +02:00 committed by GitHub
commit 277e6005e1
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2 changed files with 21 additions and 1 deletions
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2
libyul/optimiser/CommonSubexpressionEliminator.h
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@ -25,7 +25,7 @@
#include <libyul/optimiser/DataFlowAnalyzer.h> #include <libyul/optimiser/DataFlowAnalyzer.h>
#include <libyul/optimiser/OptimiserStep.h> #include <libyul/optimiser/OptimiserStep.h>
#include <stack> #include <set>
namespace solidity::yul namespace solidity::yul
{ {

20
test/libyul/yulOptimizerTests/commonSubexpressionEliminator/replace_return_nonzero.yul Normal file
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@ -0,0 +1,20 @@
{
function f() -> x {
let t := 0
x := 1
let a := 0
let b := 1
}
}
// ----
// step: commonSubexpressionEliminator
//
// {
// function f() -> x
// {
// let t := 0
// x := 1
// let a := t
// let b := x
// }
// }