diff options
Diffstat (limited to 'test/libevmasm')
-rw-r--r-- | test/libevmasm/Optimiser.cpp | 116 | ||||
-rw-r--r-- | test/libevmasm/SourceLocation.cpp | 2 |
2 files changed, 114 insertions, 4 deletions
diff --git a/test/libevmasm/Optimiser.cpp b/test/libevmasm/Optimiser.cpp index e6abcb53..089be45d 100644 --- a/test/libevmasm/Optimiser.cpp +++ b/test/libevmasm/Optimiser.cpp @@ -20,7 +20,7 @@ * Tests for the Solidity optimizer. */ -#include <test/TestHelper.h> +#include <test/Options.h> #include <libevmasm/CommonSubexpressionEliminator.h> #include <libevmasm/PeepholeOptimiser.h> @@ -69,8 +69,9 @@ namespace { AssemblyItems input = addDummyLocations(_input); + bool usesMsize = (find(_input.begin(), _input.end(), AssemblyItem{Instruction::MSIZE}) != _input.end()); eth::CommonSubexpressionEliminator cse(_state); - BOOST_REQUIRE(cse.feedItems(input.begin(), input.end()) == input.end()); + BOOST_REQUIRE(cse.feedItems(input.begin(), input.end(), usesMsize) == input.end()); AssemblyItems output = cse.getOptimizedItems(); for (AssemblyItem const& item: output) @@ -124,7 +125,7 @@ BOOST_AUTO_TEST_CASE(cse_intermediate_swap) Instruction::SLOAD, Instruction::SWAP1, u256(100), Instruction::EXP, Instruction::SWAP1, Instruction::DIV, u256(0xff), Instruction::AND }; - BOOST_REQUIRE(cse.feedItems(input.begin(), input.end()) == input.end()); + BOOST_REQUIRE(cse.feedItems(input.begin(), input.end(), false) == input.end()); AssemblyItems output = cse.getOptimizedItems(); BOOST_CHECK(!output.empty()); } @@ -857,6 +858,115 @@ BOOST_AUTO_TEST_CASE(peephole_pop_calldatasize) BOOST_CHECK(items.empty()); } +BOOST_AUTO_TEST_CASE(peephole_commutative_swap1) +{ + vector<Instruction> ops{ + Instruction::ADD, + Instruction::MUL, + Instruction::EQ, + Instruction::AND, + Instruction::OR, + Instruction::XOR + }; + for (Instruction const op: ops) + { + AssemblyItems items{ + u256(1), + u256(2), + Instruction::SWAP1, + op, + u256(4), + u256(5) + }; + AssemblyItems expectation{ + u256(1), + u256(2), + op, + u256(4), + u256(5) + }; + PeepholeOptimiser peepOpt(items); + BOOST_REQUIRE(peepOpt.optimise()); + BOOST_CHECK_EQUAL_COLLECTIONS( + items.begin(), items.end(), + expectation.begin(), expectation.end() + ); + } +} + +BOOST_AUTO_TEST_CASE(peephole_noncommutative_swap1) +{ + // NOTE: not comprehensive + vector<Instruction> ops{ + Instruction::SUB, + Instruction::DIV, + Instruction::SDIV, + Instruction::MOD, + Instruction::SMOD, + Instruction::EXP + }; + for (Instruction const op: ops) + { + AssemblyItems items{ + u256(1), + u256(2), + Instruction::SWAP1, + op, + u256(4), + u256(5) + }; + AssemblyItems expectation{ + u256(1), + u256(2), + Instruction::SWAP1, + op, + u256(4), + u256(5) + }; + PeepholeOptimiser peepOpt(items); + BOOST_REQUIRE(!peepOpt.optimise()); + BOOST_CHECK_EQUAL_COLLECTIONS( + items.begin(), items.end(), + expectation.begin(), expectation.end() + ); + } +} + +BOOST_AUTO_TEST_CASE(peephole_swap_comparison) +{ + map<Instruction, Instruction> swappableOps{ + { Instruction::LT, Instruction::GT }, + { Instruction::GT, Instruction::LT }, + { Instruction::SLT, Instruction::SGT }, + { Instruction::SGT, Instruction::SLT } + }; + + for (auto const& op: swappableOps) + { + AssemblyItems items{ + u256(1), + u256(2), + Instruction::SWAP1, + op.first, + u256(4), + u256(5) + }; + AssemblyItems expectation{ + u256(1), + u256(2), + op.second, + u256(4), + u256(5) + }; + PeepholeOptimiser peepOpt(items); + BOOST_REQUIRE(peepOpt.optimise()); + BOOST_CHECK_EQUAL_COLLECTIONS( + items.begin(), items.end(), + expectation.begin(), expectation.end() + ); + } +} + BOOST_AUTO_TEST_CASE(jumpdest_removal) { AssemblyItems items{ diff --git a/test/libevmasm/SourceLocation.cpp b/test/libevmasm/SourceLocation.cpp index 6889b3e6..764da3cd 100644 --- a/test/libevmasm/SourceLocation.cpp +++ b/test/libevmasm/SourceLocation.cpp @@ -22,7 +22,7 @@ #include <libevmasm/SourceLocation.h> -#include "../TestHelper.h" +#include <test/Options.h> namespace dev { |