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Get Runtime pointer from main function argument if available

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This commit is contained in:
Paweł Bylica 2014-10-28 10:43:18 +01:00
parent e273299a09
commit 6a16efad92
2 changed files with 7 additions and 4 deletions
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4
libevmjit/CompilerHelper.cpp
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@ -27,8 +27,10 @@ llvm::Function* CompilerHelper::getMainFunction()
{
assert(m_builder.GetInsertBlock());
auto mainFunc = m_builder.GetInsertBlock()->getParent();
assert(mainFunc && mainFunc->getName() == "main");
assert(mainFunc);
if (mainFunc->getName() == "main")
return mainFunc;
return nullptr;
}

5
libevmjit/Runtime.cpp
View file

@ -122,8 +122,9 @@ RuntimeManager::RuntimeManager(llvm::IRBuilder<>& _builder): CompilerHelper(_bui
llvm::Value* RuntimeManager::getRuntimePtr()
{
// TODO: If in main function - get it from param
return m_builder.CreateLoad(m_dataPtr);
if (auto mainFunc = getMainFunction())
return mainFunc->arg_begin()->getNextNode(); // Runtime is the second parameter of main function
return m_builder.CreateLoad(m_dataPtr, "rt");
}
llvm::Value* RuntimeManager::getPtr(RuntimeData::Index _index)