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Diffstat (limited to 'libsolidity/SolidityOptimizer.cpp')
| -rw-r--r-- | libsolidity/SolidityOptimizer.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libsolidity/SolidityOptimizer.cpp b/libsolidity/SolidityOptimizer.cpp index b0703e00..397ee631 100644 --- a/libsolidity/SolidityOptimizer.cpp +++ b/libsolidity/SolidityOptimizer.cpp @@ -441,6 +441,16 @@ BOOST_AUTO_TEST_CASE(cse_double_negation) checkCSE({Instruction::DUP5, Instruction::NOT, Instruction::NOT}, {Instruction::DUP5}); } +BOOST_AUTO_TEST_CASE(cse_double_iszero) +{ + checkCSE({Instruction::GT, Instruction::ISZERO, Instruction::ISZERO}, {Instruction::GT}); + checkCSE({Instruction::GT, Instruction::ISZERO}, {Instruction::GT, Instruction::ISZERO}); + checkCSE( + {Instruction::ISZERO, Instruction::ISZERO, Instruction::ISZERO}, + {Instruction::ISZERO} + ); +} + BOOST_AUTO_TEST_CASE(cse_associativity) { AssemblyItems input{ |