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Enable the new code generator for "system" inline assembly routines.

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This commit is contained in:
Daniel Kirchner 2021-08-10 12:13:39 +02:00
parent ed57df4465
commit de7f26c15d
2 changed files with 37 additions and 19 deletions
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54
libyul/backends/evm/AsmCodeGen.cpp
View File

@ -23,6 +23,7 @@
#include <libyul/backends/evm/EthAssemblyAdapter.h>
#include <libyul/backends/evm/EVMCodeTransform.h>
#include <libyul/backends/evm/OptimizedEVMCodeTransform.h>
#include <libyul/AST.h>
#include <libyul/AsmAnalysisInfo.h>
@ -38,28 +39,45 @@ void CodeGenerator::assemble(
evmasm::Assembly& _assembly,
langutil::EVMVersion _evmVersion,
ExternalIdentifierAccess::CodeGenerator _identifierAccessCodeGen,
bool _useNamedLabelsForFunctions,
bool _system,
bool _optimizeStackAllocation
)
{
EthAssemblyAdapter assemblyAdapter(_assembly);
BuiltinContext builtinContext;
CodeTransform transform(
assemblyAdapter,
_analysisInfo,
_parsedData,
EVMDialect::strictAssemblyForEVM(_evmVersion),
builtinContext,
_optimizeStackAllocation,
_identifierAccessCodeGen,
_useNamedLabelsForFunctions
);
transform(_parsedData);
if (!transform.stackErrors().empty())
assertThrow(
false,
langutil::StackTooDeepError,
"Stack too deep when compiling inline assembly" +
(transform.stackErrors().front().comment() ? ": " + *transform.stackErrors().front().comment() : ".")
if (_system && _optimizeStackAllocation && _evmVersion > EVMVersion::homestead())
{
int oldStackHeight = assemblyAdapter.stackHeight();
assemblyAdapter.setStackHeight(0);
auto stackErrors = OptimizedEVMCodeTransform::run(assemblyAdapter, _analysisInfo, _parsedData, EVMDialect::strictAssemblyForEVM(_evmVersion), builtinContext, _system);
assemblyAdapter.setStackHeight(oldStackHeight);
if (!stackErrors.empty())
assertThrow(
false,
langutil::StackTooDeepError,
"Stack too deep when compiling inline assembly" +
(stackErrors.front().comment() ? ": " + *stackErrors.front().comment() : ".")
);
}
else
{
CodeTransform transform(
assemblyAdapter,
_analysisInfo,
_parsedData,
EVMDialect::strictAssemblyForEVM(_evmVersion),
builtinContext,
_optimizeStackAllocation,
_identifierAccessCodeGen,
_system
);
transform(_parsedData);
if (!transform.stackErrors().empty())
assertThrow(
false,
langutil::StackTooDeepError,
"Stack too deep when compiling inline assembly" +
(transform.stackErrors().front().comment() ? ": " + *transform.stackErrors().front().comment() : ".")
);
}
}

2
libyul/backends/evm/AsmCodeGen.h
View File

@ -45,7 +45,7 @@ public:
evmasm::Assembly& _assembly,
langutil::EVMVersion _evmVersion,
ExternalIdentifierAccess::CodeGenerator _identifierAccess = {},
bool _useNamedLabelsForFunctions = false,
bool _system = false,
bool _optimizeStackAllocation = false
);
};