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Create empty dynamic memory arrays more efficiently.

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This commit is contained in:
chriseth
2018-04-04 12:37:04 +02:00
committed by Alex Beregszaszi
parent c63efebd45
commit 0cbe55005d
8 changed files with 107 additions and 20 deletions
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test/libsolidity/StandardCompiler.cpp
+3 -3
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@@ -261,14 +261,14 @@ BOOST_AUTO_TEST_CASE(basic_compilation)
BOOST_CHECK(contract["evm"]["bytecode"]["object"].isString());
BOOST_CHECK_EQUAL(
dev::test::bytecodeSansMetadata(contract["evm"]["bytecode"]["object"].asString()),
"60606040523415600e57600080fd5b603580601b6000396000f3006060604052600080fd00"
"60806040523415600e57600080fd5b603580601b6000396000f3006080604052600080fd00"
);
BOOST_CHECK(contract["evm"]["assembly"].isString());
BOOST_CHECK(contract["evm"]["assembly"].asString().find(
" /* \"fileA\":0:14 contract A { } */\n mstore(0x40, 0x60)\n jumpi(tag_1, iszero(callvalue))\n"
" /* \"fileA\":0:14 contract A { } */\n mstore(0x40, 0x80)\n jumpi(tag_1, iszero(callvalue))\n"
" 0x0\n dup1\n revert\ntag_1:\n dataSize(sub_0)\n dup1\n dataOffset(sub_0)\n 0x0\n codecopy\n 0x0\n"
" return\nstop\n\nsub_0: assembly {\n /* \"fileA\":0:14 contract A { } */\n"
" mstore(0x40, 0x60)\n 0x0\n dup1\n revert\n\n"
" mstore(0x40, 0x80)\n 0x0\n dup1\n revert\n\n"
" auxdata: 0xa165627a7a7230582") == 0);
BOOST_CHECK(contract["evm"]["gasEstimates"].isObject());
BOOST_CHECK_EQUAL(