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Get IR module from IR builder

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This commit is contained in:
Paweł Bylica 2014-10-16 13:16:18 +02:00
parent 5e13d593be
commit c83739e9dc
9 changed files with 35 additions and 30 deletions
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6
evmcc/Compiler.cpp
View file

@ -163,9 +163,9 @@ std::unique_ptr<llvm::Module> Compiler::compile(const bytes& bytecode)
createBasicBlocks(bytecode);
// Init runtime structures.
GasMeter gasMeter(m_builder, module.get());
Memory memory(m_builder, module.get(), gasMeter);
Ext ext(m_builder, module.get());
GasMeter gasMeter(m_builder);
Memory memory(m_builder, gasMeter);
Ext ext(m_builder);
m_builder.CreateBr(basicBlocks.begin()->second);

7
evmcc/CompilerHelper.cpp
View file

@ -1,6 +1,8 @@
#include "CompilerHelper.h"
#include <llvm/IR/Function.h>
namespace dev
{
namespace eth
@ -8,6 +10,11 @@ namespace eth
namespace jit
{
CompilerHelper::CompilerHelper(llvm::IRBuilder<>& _builder) :
m_builder(_builder),
m_module(_builder.GetInsertBlock()->getParent()->getParent())
{}
}
}
}

5
evmcc/CompilerHelper.h
View file

@ -14,10 +14,7 @@ namespace jit
class CompilerHelper
{
protected:
CompilerHelper(llvm::IRBuilder<>& _builder, llvm::Module* _module):
m_builder(_builder),
m_module(_module)
{}
CompilerHelper(llvm::IRBuilder<>& _builder);
CompilerHelper(const CompilerHelper&) = delete;
void operator=(CompilerHelper) = delete;

5
evmcc/Ext.cpp
View file

@ -43,10 +43,11 @@ struct ExtData
const byte* code;
};
Ext::Ext(llvm::IRBuilder<>& _builder, llvm::Module* module):
CompilerHelper(_builder, module)
Ext::Ext(llvm::IRBuilder<>& _builder):
CompilerHelper(_builder)
{
auto&& ctx = _builder.getContext();
auto module = m_module;
auto i256Ty = m_builder.getIntNTy(256);
auto i256PtrTy = i256Ty->getPointerTo();

2
evmcc/Ext.h
View file

@ -15,7 +15,7 @@ namespace jit
class Ext : public CompilerHelper
{
public:
Ext(llvm::IRBuilder<>& _builder, llvm::Module* module);
Ext(llvm::IRBuilder<>& _builder);
llvm::Value* store(llvm::Value* _index);
void setStore(llvm::Value* _index, llvm::Value* _value);

12
evmcc/GasMeter.cpp
View file

@ -80,13 +80,13 @@ bool isCostBlockEnd(Instruction _inst)
}
GasMeter::GasMeter(llvm::IRBuilder<>& _builder, llvm::Module* _module) :
CompilerHelper(_builder, _module)
GasMeter::GasMeter(llvm::IRBuilder<>& _builder) :
CompilerHelper(_builder)
{
m_gas = new llvm::GlobalVariable(*_module, Type::i256, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "gas");
m_gas = new llvm::GlobalVariable(*m_module, Type::i256, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "gas");
m_gas->setUnnamedAddr(true); // Address is not important
m_gasCheckFunc = llvm::Function::Create(llvm::FunctionType::get(Type::Void, Type::i256, false), llvm::Function::PrivateLinkage, "gas.check", _module);
m_gasCheckFunc = llvm::Function::Create(llvm::FunctionType::get(Type::Void, Type::i256, false), llvm::Function::PrivateLinkage, "gas.check", m_module);
InsertPointGuard guard(m_builder);
auto checkBB = llvm::BasicBlock::Create(_builder.getContext(), "Check", m_gasCheckFunc);
@ -103,9 +103,9 @@ GasMeter::GasMeter(llvm::IRBuilder<>& _builder, llvm::Module* _module) :
m_builder.SetInsertPoint(outOfGasBB);
//auto longjmpFunc = llvm::Intrinsic::getDeclaration(_module, llvm::Intrinsic::eh_sjlj_longjmp);
auto extJmpBuf = new llvm::GlobalVariable(*_module, Type::BytePtr, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "rt_jmpBuf");
auto extJmpBuf = new llvm::GlobalVariable(*m_module, Type::BytePtr, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "rt_jmpBuf");
llvm::Type* args[] = {Type::BytePtr, m_builder.getInt32Ty()};
auto longjmpNative = llvm::Function::Create(llvm::FunctionType::get(Type::Void, args, false), llvm::Function::ExternalLinkage, "longjmp", _module);
auto longjmpNative = llvm::Function::Create(llvm::FunctionType::get(Type::Void, args, false), llvm::Function::ExternalLinkage, "longjmp", m_module);
m_builder.CreateCall2(longjmpNative, m_builder.CreateLoad(extJmpBuf), Constant::get(ReturnCode::OutOfGas));
m_builder.CreateUnreachable();

2
evmcc/GasMeter.h
View file

@ -15,7 +15,7 @@ namespace jit
class GasMeter : public CompilerHelper
{
public:
GasMeter(llvm::IRBuilder<>& _builder, llvm::Module* _module);
GasMeter(llvm::IRBuilder<>& _builder);
/// Count step cost of instruction
void count(Instruction _inst);

24
evmcc/Memory.cpp
View file

@ -22,36 +22,36 @@ namespace eth
namespace jit
{
Memory::Memory(llvm::IRBuilder<>& _builder, llvm::Module* _module, GasMeter& _gasMeter):
CompilerHelper(_builder, _module)
Memory::Memory(llvm::IRBuilder<>& _builder, GasMeter& _gasMeter):
CompilerHelper(_builder)
{
auto i64Ty = m_builder.getInt64Ty();
llvm::Type* argTypes[] = {i64Ty, i64Ty};
auto dumpTy = llvm::FunctionType::get(m_builder.getVoidTy(), llvm::ArrayRef<llvm::Type*>(argTypes), false);
m_memDump = llvm::Function::Create(dumpTy, llvm::GlobalValue::LinkageTypes::ExternalLinkage,
"evmccrt_memory_dump", _module);
"evmccrt_memory_dump", m_module);
m_data = new llvm::GlobalVariable(*_module, Type::BytePtr, false, llvm::GlobalVariable::PrivateLinkage, llvm::UndefValue::get(Type::BytePtr), "mem.data");
m_data = new llvm::GlobalVariable(*m_module, Type::BytePtr, false, llvm::GlobalVariable::PrivateLinkage, llvm::UndefValue::get(Type::BytePtr), "mem.data");
m_data->setUnnamedAddr(true); // Address is not important
m_size = new llvm::GlobalVariable(*_module, Type::i256, false, llvm::GlobalVariable::PrivateLinkage, Constant::get(0), "mem.size");
m_size = new llvm::GlobalVariable(*m_module, Type::i256, false, llvm::GlobalVariable::PrivateLinkage, Constant::get(0), "mem.size");
m_size->setUnnamedAddr(true); // Address is not important
m_returnDataOffset = new llvm::GlobalVariable(*_module, Type::i256, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "mem_returnDataOffset");
m_returnDataOffset = new llvm::GlobalVariable(*m_module, Type::i256, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "mem_returnDataOffset");
m_returnDataOffset->setUnnamedAddr(true); // Address is not important
m_returnDataSize = new llvm::GlobalVariable(*_module, Type::i256, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "mem_returnDataSize");
m_returnDataSize = new llvm::GlobalVariable(*m_module, Type::i256, false, llvm::GlobalVariable::ExternalLinkage, nullptr, "mem_returnDataSize");
m_returnDataSize->setUnnamedAddr(true); // Address is not important
m_resize = llvm::Function::Create(llvm::FunctionType::get(Type::BytePtr, Type::WordPtr, false), llvm::Function::ExternalLinkage, "mem_resize", _module);
m_resize = llvm::Function::Create(llvm::FunctionType::get(Type::BytePtr, Type::WordPtr, false), llvm::Function::ExternalLinkage, "mem_resize", m_module);
llvm::AttrBuilder attrBuilder;
attrBuilder.addAttribute(llvm::Attribute::NoAlias).addAttribute(llvm::Attribute::NoCapture).addAttribute(llvm::Attribute::NonNull).addAttribute(llvm::Attribute::ReadOnly);
m_resize->setAttributes(llvm::AttributeSet::get(m_resize->getContext(), 1, attrBuilder));
m_require = createRequireFunc(_module, _gasMeter);
m_loadWord = createFunc(false, Type::i256, _module, _gasMeter);
m_storeWord = createFunc(true, Type::i256, _module, _gasMeter);
m_storeByte = createFunc(true, Type::Byte, _module, _gasMeter);
m_require = createRequireFunc(m_module, _gasMeter);
m_loadWord = createFunc(false, Type::i256, m_module, _gasMeter);
m_storeWord = createFunc(true, Type::i256, m_module, _gasMeter);
m_storeByte = createFunc(true, Type::Byte, m_module, _gasMeter);
}
llvm::Function* Memory::createRequireFunc(llvm::Module* _module, GasMeter& _gasMeter)

2
evmcc/Memory.h
View file

@ -14,7 +14,7 @@ namespace jit
class Memory : public CompilerHelper
{
public:
Memory(llvm::IRBuilder<>& _builder, llvm::Module* _module, class GasMeter& _gasMeter);
Memory(llvm::IRBuilder<>& _builder, class GasMeter& _gasMeter);
llvm::Value* loadWord(llvm::Value* _addr);
void storeWord(llvm::Value* _addr, llvm::Value* _word);