cerc-io/solidity
15
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Extend pop(0)-remover to any movable expression.

Browse Source
This commit is contained in:
chriseth 2018-02-06 15:51:46 +01:00
parent c7245ba362
commit bf27e86984
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libjulia/optimiser/FullInliner.cpp
View File

@ -23,6 +23,7 @@
#include <libjulia/optimiser/ASTCopier.h>
#include <libjulia/optimiser/ASTWalker.h>
#include <libjulia/optimiser/NameCollector.h>
#include <libjulia/optimiser/Semantics.h>
#include <libsolidity/inlineasm/AsmData.h>
@ -159,7 +160,7 @@ void InlineModifier::visit(Expression& _expression)
void InlineModifier::visit(Statement& _statement)
{
ASTModifier::visit(_statement);
// Replace pop(0) expression statemets by empty blocks.
// Replace pop(0) expression statemets (and others) by empty blocks.
if (_statement.type() == typeid(ExpressionStatement))
{
ExpressionStatement& expSt = boost::get<ExpressionStatement&>(_statement);
@ -167,10 +168,8 @@ void InlineModifier::visit(Statement& _statement)
{
FunctionalInstruction& funInstr = boost::get<FunctionalInstruction&>(expSt.expression);
if (funInstr.instruction == solidity::Instruction::POP)
{
if (funInstr.arguments.at(0).type() == typeid(Literal))
if (MovableChecker(funInstr.arguments.at(0)).movable())
_statement = Block{expSt.location, {}};
}
}
}
}