91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/** @file Jit.hpp
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*
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* Author: Roland Conybeare
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**/
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#pragma once
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//#include <cstdint>
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#include "xo/refcnt/Refcounted.hpp"
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#include "xo/expression/Expression.hpp"
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#include "xo/expression/ConstantInterface.hpp"
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#include "xo/expression/PrimitiveInterface.hpp"
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#include "xo/expression/Apply.hpp"
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#include "xo/expression/Lambda.hpp"
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#include "xo/expression/Variable.hpp"
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#include "llvm/ADT/APFloat.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/IRBuilder.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/IR/Type.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/Passes/PassBuilder.h"
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#include "llvm/Passes/StandardInstrumentations.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Transforms/InstCombine/InstCombine.h"
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#include "llvm/Transforms/Scalar.h"
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#include "llvm/Transforms/Scalar/GVN.h"
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#include "llvm/Transforms/Scalar/Reassociate.h"
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#include "llvm/Transforms/Scalar/SimplifyCFG.h"
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namespace xo {
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namespace jit {
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/** @class Jit
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* @brief just-in-time compiler for EGAD
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*
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* TODO: make module name a parameter?
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**/
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class Jit : public ref::Refcount {
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public:
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using Expression = xo::ast::Expression;
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//using ConstantInterface = xo::ast::ConstantInterface;
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public:
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static ref::rp<Jit> make() { return new Jit(); }
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llvm::Value * codegen_constant(ref::brw<xo::ast::ConstantInterface> expr);
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llvm::Function * codegen_primitive(ref::brw<xo::ast::PrimitiveInterface> expr);
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llvm::Value * codegen_apply(ref::brw<xo::ast::Apply> expr);
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llvm::Function * codegen_lambda(ref::brw<xo::ast::Lambda> expr);
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llvm::Value * codegen_variable(ref::brw<xo::ast::Variable> var);
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llvm::Value * codegen(ref::brw<Expression> expr);
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private:
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Jit();
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private:
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/** owns + manages core "global" llvm data,
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* including type- and constant- unique-ing tables.
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*
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* Not threadsafe, but ok to have multiple threads,
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* each with its own LLVMContext
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**/
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std::unique_ptr<llvm::LLVMContext> llvm_cx_;
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/** builder for intermediate-representation objects **/
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std::unique_ptr<llvm::IRBuilder<>> llvm_ir_builder_;
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/** a module (aka library) being prepared by llvm.
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* - function names are unique within a module.
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**/
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std::unique_ptr<llvm::Module> llvm_module_;
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/** map global names to functions/variables **/
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std::map<std::string, xo::ref::rp<Expression>> global_env_;
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/** map variable names (formal parameters) to
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* corresponding llvm interactor
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**/
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std::map<std::string, llvm::Value*> nested_env_;
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};
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} /*namespace jit*/
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} /*namespace xo*/
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/** end Jit.hpp **/
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