diff options
| author | chriseth <c@ethdev.com> | 2015-06-01 21:09:16 +0800 |
|---|---|---|
| committer | chriseth <c@ethdev.com> | 2015-06-01 21:09:16 +0800 |
| commit | 604a2d89d2f99d364f48cc6193e6dedb08b474d3 (patch) | |
| tree | a6893e8a654261ebb221e9fd4c6e608d40d9644b /libsolidity | |
| parent | 80904d59e971f63740f3366f1302ad2371b45ad3 (diff) | |
| parent | f3d95236517ee03176275aa41b44b181a9f1b46a (diff) | |
| download | dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.tar dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.tar.gz dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.tar.bz2 dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.tar.lz dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.tar.xz dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.tar.zst dexon-solidity-604a2d89d2f99d364f48cc6193e6dedb08b474d3.zip | |
Merge pull request #2027 from chriseth/sol_dupRemForLoops
Allow duplicate code removal for loops.
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/SolidityOptimizer.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libsolidity/SolidityOptimizer.cpp b/libsolidity/SolidityOptimizer.cpp index 744fc48a..827d8833 100644 --- a/libsolidity/SolidityOptimizer.cpp +++ b/libsolidity/SolidityOptimizer.cpp @@ -1004,6 +1004,38 @@ BOOST_AUTO_TEST_CASE(block_deduplicator) BOOST_CHECK_EQUAL(pushTags.size(), 2); } +BOOST_AUTO_TEST_CASE(block_deduplicator_loops) +{ + AssemblyItems input{ + u256(0), + eth::Instruction::SLOAD, + AssemblyItem(PushTag, 1), + AssemblyItem(PushTag, 2), + eth::Instruction::JUMPI, + eth::Instruction::JUMP, + AssemblyItem(Tag, 1), + u256(5), + u256(6), + eth::Instruction::SSTORE, + AssemblyItem(PushTag, 1), + eth::Instruction::JUMP, + AssemblyItem(Tag, 2), + u256(5), + u256(6), + eth::Instruction::SSTORE, + AssemblyItem(PushTag, 2), + eth::Instruction::JUMP, + }; + BlockDeduplicator dedup(input); + dedup.deduplicate(); + + set<u256> pushTags; + for (AssemblyItem const& item: input) + if (item.type() == PushTag) + pushTags.insert(item.data()); + BOOST_CHECK_EQUAL(pushTags.size(), 1); +} + BOOST_AUTO_TEST_SUITE_END() } |