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-rw-r--r--test/libevmasm/Optimiser.cpp43
1 files changed, 38 insertions, 5 deletions
diff --git a/test/libevmasm/Optimiser.cpp b/test/libevmasm/Optimiser.cpp
index b622b4fb..089be45d 100644
--- a/test/libevmasm/Optimiser.cpp
+++ b/test/libevmasm/Optimiser.cpp
@@ -888,7 +888,7 @@ BOOST_AUTO_TEST_CASE(peephole_commutative_swap1)
PeepholeOptimiser peepOpt(items);
BOOST_REQUIRE(peepOpt.optimise());
BOOST_CHECK_EQUAL_COLLECTIONS(
- items.begin(), items.end(),
+ items.begin(), items.end(),
expectation.begin(), expectation.end()
);
}
@@ -903,9 +903,7 @@ BOOST_AUTO_TEST_CASE(peephole_noncommutative_swap1)
Instruction::SDIV,
Instruction::MOD,
Instruction::SMOD,
- Instruction::EXP,
- Instruction::LT,
- Instruction::GT
+ Instruction::EXP
};
for (Instruction const op: ops)
{
@@ -928,7 +926,42 @@ BOOST_AUTO_TEST_CASE(peephole_noncommutative_swap1)
PeepholeOptimiser peepOpt(items);
BOOST_REQUIRE(!peepOpt.optimise());
BOOST_CHECK_EQUAL_COLLECTIONS(
- items.begin(), items.end(),
+ 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()
);
}