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Merge pull request #6410 from ethereum/eliminate-dead-code

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Yul Optimizer: Remove dead code
This commit is contained in:
chriseth
2019-04-01 18:12:47 +02:00
committed by GitHub
parent 862ad28edd e20acf5d0a
commit e894e0b967
21 changed files with 482 additions and 3 deletions
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test/tools/yulopti.cpp
+5 -1
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@@ -44,6 +44,7 @@
#include <libyul/optimiser/Rematerialiser.h>
#include <libyul/optimiser/ExpressionSimplifier.h>
#include <libyul/optimiser/UnusedPruner.h>
#include <libyul/optimiser/DeadCodeEliminator.h>
#include <libyul/optimiser/ExpressionJoiner.h>
#include <libyul/optimiser/RedundantAssignEliminator.h>
#include <libyul/optimiser/SSAReverser.h>
@@ -132,7 +133,7 @@ public:
cout << " (e)xpr inline/(i)nline/(s)implify/varname c(l)eaner/(u)nusedprune/ss(a) transform/" << endl;
cout << " (r)edundant assign elim./re(m)aterializer/f(o)r-loop-pre-rewriter/" << endl;
cout << " s(t)ructural simplifier/equi(v)alent function combiner/ssa re(V)erser/? " << endl;
cout << " stack com(p)ressor? " << endl;
cout << " stack com(p)ressor/(D)ead code eliminator/? " << endl;
cout.flush();
int option = readStandardInputChar();
cout << ' ' << char(option) << endl;
@@ -182,6 +183,9 @@ public:
case 'u':
UnusedPruner::runUntilStabilised(*m_dialect, *m_ast);
break;
case 'D':
DeadCodeEliminator{}(*m_ast);
break;
case 'a':
SSATransform::run(*m_ast, *m_nameDispenser);
break;