282 lines
11 KiB
C++
282 lines
11 KiB
C++
#include "llvm_context.hpp"
|
|
#include <llvm/IR/DerivedTypes.h>
|
|
|
|
using namespace llvm;
|
|
|
|
void llvm_context::create_types() {
|
|
stack_type = StructType::create(ctx, "stack");
|
|
gmachine_type = StructType::create(ctx, "gmachine");
|
|
stack_ptr_type = PointerType::getUnqual(stack_type);
|
|
gmachine_ptr_type = PointerType::getUnqual(gmachine_type);
|
|
tag_type = IntegerType::getInt8Ty(ctx);
|
|
struct_types["node_base"] = StructType::create(ctx, "node_base");
|
|
struct_types["node_app"] = StructType::create(ctx, "node_app");
|
|
struct_types["node_num"] = StructType::create(ctx, "node_num");
|
|
struct_types["node_global"] = StructType::create(ctx, "node_global");
|
|
struct_types["node_ind"] = StructType::create(ctx, "node_ind");
|
|
struct_types["node_data"] = StructType::create(ctx, "node_data");
|
|
node_ptr_type = PointerType::getUnqual(struct_types.at("node_base"));
|
|
function_type = FunctionType::get(Type::getVoidTy(ctx), { gmachine_ptr_type }, false);
|
|
|
|
gmachine_type->setBody(
|
|
stack_ptr_type,
|
|
node_ptr_type
|
|
);
|
|
struct_types.at("node_base")->setBody(
|
|
IntegerType::getInt32Ty(ctx),
|
|
IntegerType::getInt8Ty(ctx),
|
|
node_ptr_type
|
|
);
|
|
struct_types.at("node_app")->setBody(
|
|
struct_types.at("node_base"),
|
|
node_ptr_type,
|
|
node_ptr_type
|
|
);
|
|
struct_types.at("node_num")->setBody(
|
|
struct_types.at("node_base"),
|
|
IntegerType::getInt32Ty(ctx)
|
|
);
|
|
struct_types.at("node_global")->setBody(
|
|
struct_types.at("node_base"),
|
|
FunctionType::get(Type::getVoidTy(ctx), { stack_ptr_type }, false)
|
|
);
|
|
struct_types.at("node_ind")->setBody(
|
|
struct_types.at("node_base"),
|
|
node_ptr_type
|
|
);
|
|
struct_types.at("node_data")->setBody(
|
|
struct_types.at("node_base"),
|
|
IntegerType::getInt8Ty(ctx),
|
|
PointerType::getUnqual(node_ptr_type)
|
|
);
|
|
}
|
|
|
|
void llvm_context::create_functions() {
|
|
auto void_type = Type::getVoidTy(ctx);
|
|
auto sizet_type = IntegerType::get(ctx, sizeof(size_t) * 8);
|
|
functions["stack_init"] = Function::Create(
|
|
FunctionType::get(void_type, { stack_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"stack_init",
|
|
&module
|
|
);
|
|
functions["stack_free"] = Function::Create(
|
|
FunctionType::get(void_type, { stack_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"stack_free",
|
|
&module
|
|
);
|
|
functions["stack_push"] = Function::Create(
|
|
FunctionType::get(void_type, { stack_ptr_type, node_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"stack_push",
|
|
&module
|
|
);
|
|
functions["stack_pop"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { stack_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"stack_pop",
|
|
&module
|
|
);
|
|
functions["stack_peek"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { stack_ptr_type, sizet_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"stack_peek",
|
|
&module
|
|
);
|
|
functions["stack_popn"] = Function::Create(
|
|
FunctionType::get(void_type, { stack_ptr_type, sizet_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"stack_popn",
|
|
&module
|
|
);
|
|
functions["gmachine_slide"] = Function::Create(
|
|
FunctionType::get(void_type, { gmachine_ptr_type, sizet_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"gmachine_slide",
|
|
&module
|
|
);
|
|
functions["gmachine_update"] = Function::Create(
|
|
FunctionType::get(void_type, { gmachine_ptr_type, sizet_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"gmachine_update",
|
|
&module
|
|
);
|
|
functions["gmachine_alloc"] = Function::Create(
|
|
FunctionType::get(void_type, { gmachine_ptr_type, sizet_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"gmachine_alloc",
|
|
&module
|
|
);
|
|
functions["gmachine_pack"] = Function::Create(
|
|
FunctionType::get(void_type, { gmachine_ptr_type, sizet_type, tag_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"gmachine_pack",
|
|
&module
|
|
);
|
|
functions["gmachine_split"] = Function::Create(
|
|
FunctionType::get(void_type, { gmachine_ptr_type, sizet_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"gmachine_split",
|
|
&module
|
|
);
|
|
functions["gmachine_track"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { gmachine_ptr_type, node_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"gmachine_track",
|
|
&module
|
|
);
|
|
|
|
auto int32_type = IntegerType::getInt32Ty(ctx);
|
|
functions["alloc_app"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { node_ptr_type, node_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"alloc_app",
|
|
&module
|
|
);
|
|
functions["alloc_num"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { int32_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"alloc_num",
|
|
&module
|
|
);
|
|
functions["alloc_global"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { function_type, int32_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"alloc_global",
|
|
&module
|
|
);
|
|
functions["alloc_ind"] = Function::Create(
|
|
FunctionType::get(node_ptr_type, { node_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"alloc_ind",
|
|
&module
|
|
);
|
|
|
|
functions["unwind"] = Function::Create(
|
|
FunctionType::get(void_type, { gmachine_ptr_type }, false),
|
|
Function::LinkageTypes::ExternalLinkage,
|
|
"unwind",
|
|
&module
|
|
);
|
|
}
|
|
|
|
ConstantInt* llvm_context::create_i8(int8_t i) {
|
|
return ConstantInt::get(ctx, APInt(8, i));
|
|
}
|
|
ConstantInt* llvm_context::create_i32(int32_t i) {
|
|
return ConstantInt::get(ctx, APInt(32, i));
|
|
}
|
|
ConstantInt* llvm_context::create_size(size_t i) {
|
|
return ConstantInt::get(ctx, APInt(sizeof(size_t) * 8, i));
|
|
}
|
|
|
|
Value* llvm_context::create_pop(Function* f) {
|
|
auto pop_f = functions.at("stack_pop");
|
|
return builder.CreateCall(pop_f, { unwrap_gmachine_stack_ptr(f->arg_begin()) });
|
|
}
|
|
Value* llvm_context::create_peek(Function* f, Value* off) {
|
|
auto peek_f = functions.at("stack_peek");
|
|
return builder.CreateCall(peek_f, { unwrap_gmachine_stack_ptr(f->arg_begin()), off });
|
|
}
|
|
void llvm_context::create_push(Function* f, Value* v) {
|
|
auto push_f = functions.at("stack_push");
|
|
builder.CreateCall(push_f, { unwrap_gmachine_stack_ptr(f->arg_begin()), v });
|
|
}
|
|
void llvm_context::create_popn(Function* f, Value* off) {
|
|
auto popn_f = functions.at("stack_popn");
|
|
builder.CreateCall(popn_f, { unwrap_gmachine_stack_ptr(f->arg_begin()), off });
|
|
}
|
|
void llvm_context::create_update(Function* f, Value* off) {
|
|
auto update_f = functions.at("gmachine_update");
|
|
builder.CreateCall(update_f, { f->arg_begin(), off });
|
|
}
|
|
void llvm_context::create_pack(Function* f, Value* c, Value* t) {
|
|
auto pack_f = functions.at("gmachine_pack");
|
|
builder.CreateCall(pack_f, { f->arg_begin(), c, t });
|
|
}
|
|
void llvm_context::create_split(Function* f, Value* c) {
|
|
auto split_f = functions.at("gmachine_split");
|
|
builder.CreateCall(split_f, { f->arg_begin(), c });
|
|
}
|
|
void llvm_context::create_slide(Function* f, Value* off) {
|
|
auto slide_f = functions.at("gmachine_slide");
|
|
builder.CreateCall(slide_f, { f->arg_begin(), off });
|
|
}
|
|
void llvm_context::create_alloc(Function* f, Value* n) {
|
|
auto alloc_f = functions.at("gmachine_alloc");
|
|
builder.CreateCall(alloc_f, { f->arg_begin(), n });
|
|
}
|
|
Value* llvm_context::create_track(Function* f, Value* v) {
|
|
auto track_f = functions.at("gmachine_track");
|
|
return builder.CreateCall(track_f, { f->arg_begin(), v });
|
|
}
|
|
|
|
Value* llvm_context::create_eval(Value* e) {
|
|
auto eval_f = functions.at("eval");
|
|
return builder.CreateCall(eval_f, { e });
|
|
}
|
|
|
|
void llvm_context::create_unwind(Function* f) {
|
|
auto unwind_f = functions.at("unwind");
|
|
builder.CreateCall(unwind_f, { f->args().begin() });
|
|
}
|
|
|
|
Value* llvm_context::unwrap_gmachine_stack_ptr(Value* g) {
|
|
auto offset_0 = create_i32(0);
|
|
return builder.CreateGEP(g, { offset_0, offset_0 });
|
|
}
|
|
|
|
Value* llvm_context::unwrap_num(Value* v) {
|
|
auto num_ptr_type = PointerType::getUnqual(struct_types.at("node_num"));
|
|
auto cast = builder.CreatePointerCast(v, num_ptr_type);
|
|
auto offset_0 = create_i32(0);
|
|
auto offset_1 = create_i32(1);
|
|
auto int_ptr = builder.CreateGEP(cast, { offset_0, offset_1 });
|
|
return builder.CreateLoad(int_ptr);
|
|
}
|
|
Value* llvm_context::create_num(Function* f, Value* v) {
|
|
auto alloc_num_f = functions.at("alloc_num");
|
|
auto alloc_num_call = builder.CreateCall(alloc_num_f, { v });
|
|
return create_track(f, alloc_num_call);
|
|
}
|
|
|
|
Value* llvm_context::unwrap_data_tag(Value* v) {
|
|
auto data_ptr_type = PointerType::getUnqual(struct_types.at("node_data"));
|
|
auto cast = builder.CreatePointerCast(v, data_ptr_type);
|
|
auto offset_0 = create_i32(0);
|
|
auto offset_1 = create_i32(1);
|
|
auto tag_ptr = builder.CreateGEP(cast, { offset_0, offset_1 });
|
|
return builder.CreateLoad(tag_ptr);
|
|
}
|
|
|
|
Value* llvm_context::create_global(Function* f, Value* gf, Value* a) {
|
|
auto alloc_global_f = functions.at("alloc_global");
|
|
auto alloc_global_call = builder.CreateCall(alloc_global_f, { gf, a });
|
|
return create_track(f, alloc_global_call);
|
|
}
|
|
|
|
Value* llvm_context::create_app(Function* f, Value* l, Value* r) {
|
|
auto alloc_app_f = functions.at("alloc_app");
|
|
auto alloc_app_call = builder.CreateCall(alloc_app_f, { l, r });
|
|
return create_track(f, alloc_app_call);
|
|
}
|
|
|
|
llvm::Function* llvm_context::create_custom_function(std::string name, int32_t arity) {
|
|
auto void_type = llvm::Type::getVoidTy(ctx);
|
|
auto new_function = llvm::Function::Create(
|
|
function_type,
|
|
llvm::Function::LinkageTypes::ExternalLinkage,
|
|
"f_" + name,
|
|
&module
|
|
);
|
|
auto start_block = llvm::BasicBlock::Create(ctx, "entry", new_function);
|
|
|
|
auto new_custom_f = custom_function_ptr(new custom_function());
|
|
new_custom_f->arity = arity;
|
|
new_custom_f->function = new_function;
|
|
custom_functions["f_" + name] = std::move(new_custom_f);
|
|
|
|
return new_function;
|
|
}
|