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Explicitly check for jump instructions in EVMDialect

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This commit is contained in:
Alex Beregszaszi 2020-07-03 18:01:07 +01:00
parent f0d256bfdb
commit 55e41b602a
1 changed files with 3 additions and 0 deletions
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3
libyul/backends/evm/EVMDialect.cpp
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@ -114,12 +114,15 @@ pair<YulString, BuiltinFunctionForEVM> createFunction(
map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVersion, bool _objectAccess)
{
map<YulString, BuiltinFunctionForEVM> builtins;
// NOTE: Parser::instructions() will filter JUMPDEST and PUSHnn too
for (auto const& instr: Parser::instructions())
if (
!evmasm::isDupInstruction(instr.second) &&
!evmasm::isSwapInstruction(instr.second) &&
!evmasm::isPushInstruction(instr.second) &&
instr.second != evmasm::Instruction::JUMP &&
instr.second != evmasm::Instruction::JUMPI &&
instr.second != evmasm::Instruction::JUMPDEST &&
_evmVersion.hasOpcode(instr.second)
)
builtins.emplace(createEVMFunction(instr.first, instr.second));