aboutsummaryrefslogtreecommitdiffstats
path: root/test/libsolidity
diff options
context:
space:
mode:
authorchriseth <chris@ethereum.org>2017-06-15 01:40:53 +0800
committerchriseth <chris@ethereum.org>2017-06-15 02:02:45 +0800
commite5b0ad562e550a092aa966d8f5b9cb15ca625255 (patch)
tree544751c45e8861ddec039217346b1d491589c208 /test/libsolidity
parentf008ddf83646f6002a61a123cc94ad195a35dce4 (diff)
downloaddexon-solidity-e5b0ad562e550a092aa966d8f5b9cb15ca625255.tar.gz
dexon-solidity-e5b0ad562e550a092aa966d8f5b9cb15ca625255.tar.zst
dexon-solidity-e5b0ad562e550a092aa966d8f5b9cb15ca625255.zip
Peephole optimizer for double push.
Diffstat (limited to 'test/libsolidity')
-rw-r--r--test/libsolidity/SolidityOptimizer.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/libsolidity/SolidityOptimizer.cpp b/test/libsolidity/SolidityOptimizer.cpp
index bdcdacff..7afbe04e 100644
--- a/test/libsolidity/SolidityOptimizer.cpp
+++ b/test/libsolidity/SolidityOptimizer.cpp
@@ -1189,6 +1189,32 @@ BOOST_AUTO_TEST_CASE(clear_unreachable_code)
);
}
+BOOST_AUTO_TEST_CASE(peephole_double_push)
+{
+ AssemblyItems items{
+ u256(0),
+ u256(0),
+ u256(5),
+ u256(5),
+ u256(4),
+ u256(5)
+ };
+ AssemblyItems expectation{
+ u256(0),
+ Instruction::DUP1,
+ u256(5),
+ Instruction::DUP1,
+ 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(computing_constants)
{
char const* sourceCode = R"(