You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
1.9 KiB
80 lines
1.9 KiB
#pragma once
|
|
|
|
#include "Common.h"
|
|
#include "BasicBlock.h"
|
|
|
|
namespace dev
|
|
{
|
|
namespace eth
|
|
{
|
|
namespace jit
|
|
{
|
|
|
|
class Compiler
|
|
{
|
|
public:
|
|
|
|
struct Options
|
|
{
|
|
/// Optimize stack operations between basic blocks
|
|
bool optimizeStack = true;
|
|
|
|
/// Rewrite switch instructions to sequences of branches
|
|
bool rewriteSwitchToBranches = true;
|
|
|
|
/// Dump CFG as a .dot file for graphviz
|
|
bool dumpCFG = false;
|
|
};
|
|
|
|
using ProgramCounter = uint64_t;
|
|
|
|
Compiler(Options const& _options);
|
|
|
|
std::unique_ptr<llvm::Module> compile(code_iterator _begin, code_iterator _end, std::string const& _id);
|
|
|
|
private:
|
|
|
|
void createBasicBlocks(code_iterator _begin, code_iterator _end);
|
|
|
|
void compileBasicBlock(BasicBlock& _basicBlock, class RuntimeManager& _runtimeManager, class Arith256& _arith, class Memory& _memory, class Ext& _ext, class GasMeter& _gasMeter, llvm::BasicBlock* _nextBasicBlock);
|
|
|
|
llvm::BasicBlock* getJumpTableBlock();
|
|
|
|
llvm::BasicBlock* getBadJumpBlock();
|
|
|
|
void removeDeadBlocks();
|
|
|
|
/// Dumps basic block graph in graphviz format to a file, if option dumpCFG is enabled.
|
|
void dumpCFGifRequired(std::string const& _dotfilePath);
|
|
|
|
/// Dumps basic block graph in graphviz format to a stream.
|
|
void dumpCFGtoStream(std::ostream& _out);
|
|
|
|
/// Dumps all basic blocks to stderr. Useful in a debugging session.
|
|
void dump();
|
|
|
|
/// Compiler options
|
|
Options const& m_options;
|
|
|
|
/// Helper class for generating IR
|
|
llvm::IRBuilder<> m_builder;
|
|
|
|
/// Maps a program counter pc to a basic block that starts at pc (if any).
|
|
std::map<ProgramCounter, BasicBlock> m_basicBlocks;
|
|
|
|
/// Stop basic block - terminates execution with STOP code (0)
|
|
llvm::BasicBlock* m_stopBB = nullptr;
|
|
|
|
/// Block with a jump table.
|
|
std::unique_ptr<BasicBlock> m_jumpTableBlock;
|
|
|
|
/// Destination for invalid jumps
|
|
std::unique_ptr<BasicBlock> m_badJumpBlock;
|
|
|
|
/// Main program function
|
|
llvm::Function* m_mainFunc = nullptr;
|
|
};
|
|
|
|
}
|
|
}
|
|
}
|
|
|