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authorchriseth <chris@ethereum.org>2018-11-14 02:33:35 +0800
committerGitHub <noreply@github.com>2018-11-14 02:33:35 +0800
commit1d4f565a64988a3400847d2655ca24f73f234bc6 (patch)
treecaaa6c26e307513505349b50ca4f2a8a9506752b /libjulia/optimiser/CommonSubexpressionEliminator.cpp
parent59dbf8f1085b8b92e8b7eb0ce380cbeb642e97eb (diff)
parent91b6b8a88e76016e0324036cb7a7f9300a1e2439 (diff)
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Merge pull request #5416 from ethereum/develop
Merge develop into release for 0.5.0
Diffstat (limited to 'libjulia/optimiser/CommonSubexpressionEliminator.cpp')
-rw-r--r--libjulia/optimiser/CommonSubexpressionEliminator.cpp49
1 files changed, 0 insertions, 49 deletions
diff --git a/libjulia/optimiser/CommonSubexpressionEliminator.cpp b/libjulia/optimiser/CommonSubexpressionEliminator.cpp
deleted file mode 100644
index 3122280b..00000000
--- a/libjulia/optimiser/CommonSubexpressionEliminator.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-/*(
- This file is part of solidity.
-
- solidity is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- solidity is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with solidity. If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * Optimisation stage that replaces expressions known to be the current value of a variable
- * in scope by a reference to that variable.
- */
-
-#include <libjulia/optimiser/CommonSubexpressionEliminator.h>
-
-#include <libjulia/optimiser/Metrics.h>
-#include <libjulia/optimiser/SyntacticalEquality.h>
-#include <libjulia/Exceptions.h>
-
-#include <libsolidity/inlineasm/AsmData.h>
-
-using namespace std;
-using namespace dev;
-using namespace dev::julia;
-
-void CommonSubexpressionEliminator::visit(Expression& _e)
-{
- // Single exception for substitution: We do not substitute one variable for another.
- if (_e.type() != typeid(Identifier))
- // TODO this search rather inefficient.
- for (auto const& var: m_value)
- {
- assertThrow(var.second, OptimizerException, "");
- if (SyntacticalEqualityChecker::equal(_e, *var.second))
- {
- _e = Identifier{locationOf(_e), var.first};
- break;
- }
- }
- DataFlowAnalyzer::visit(_e);
-}