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Optimize RETURN x 0 to STOP.

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This commit is contained in:
chriseth 2015-06-12 11:06:05 +02:00
parent 41db3a6162
commit 91a7207616
1 changed files with 8 additions and 0 deletions
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8
libsolidity/SolidityOptimizer.cpp
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@ -944,6 +944,14 @@ BOOST_AUTO_TEST_CASE(cse_access_previous_sequence)
// 0, SLOAD, 1, ADD, SSTORE, 0 SLOAD
}
BOOST_AUTO_TEST_CASE(cse_optimise_return)
{
checkCSE(
AssemblyItems{u256(0), u256(7), Instruction::RETURN},
AssemblyItems{Instruction::STOP}
);
}
BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused)
{
// remove parts of the code that are unused