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xo-jit: + machgen_current_module(): generate machine code!

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This commit is contained in:
Roland Conybeare 2024-06-15 17:13:59 -04:00
commit 1b3718bd12
2 changed files with 48 additions and 6 deletions
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22
include/xo/jit/Jit.hpp
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@ -98,6 +98,13 @@ namespace xo {
llvm::Value * codegen(ref::brw<Expression> expr);
// ----- jit online execution -----
/** add IR code in current module to JIT,
* so that its available for execution
**/
void machgen_current_module();
llvm::orc::ExecutorAddr lookup_symbol(const std::string & x);
virtual void display(std::ostream & os) const;
@ -116,6 +123,9 @@ namespace xo {
/* iniitialize native builder (i.e. for platform we're running on) */
static void init_once();
/** (re)create pipeline to turn expressions into llvm IR code **/
void recreate_llvm_ir_pipeline();
private:
// ----- this part adapted from LLVM 19.0 KaleidoscopeJIT.hpp [wip] -----
@ -133,6 +143,14 @@ namespace xo {
// ----- this part adapted from kaleidoscope.cpp -----
/** everything bleow represents a pipeline
* that takes expressions, and turns them into llvm IR.
*
* llvm IR can be added to running JIT by calling
* kal_jit_.addModule()
* Note that this makes the module itself unavailable to us
**/
/** owns + manages core "global" llvm data,
* including type- and constant- unique-ing tables.
*
@ -142,7 +160,9 @@ namespace xo {
std::unique_ptr<llvm::LLVMContext> llvm_cx_;
/** builder for intermediate-representation objects **/
std::unique_ptr<llvm::IRBuilder<>> llvm_ir_builder_;
/** a module (aka library) being prepared by llvm.
/** a module (1:1 with library) being prepared by llvm.
* IR-level -- does not contain machine code
*
* - function names are unique within a module.
**/
std::unique_ptr<llvm::Module> llvm_module_;