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Implement function and type creation, add text to blog in compiler series

This commit is contained in:
Danila Fedorin 2019-11-04 18:25:54 -08:00
parent 70793d6ac3
commit c44128315d
3 changed files with 82 additions and 10 deletions
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1
08/CMakeLists.txt
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@ -22,6 +22,7 @@ llvm_map_components_to_libnames(LLVM_LIBS core x86asmparser x86codegen)
# Create compiler executable
add_executable(compiler
ast.cpp ast.hpp definition.cpp
llvm_context.cpp llvm_context.hpp
type_env.cpp type_env.hpp
env.cpp env.hpp
type.cpp type.hpp

90
08/llvm_context.cpp
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@ -1,18 +1,88 @@
#include "llvm_context.hpp"
#include <llvm/IR/DerivedTypes.h>
using namespace llvm;
void llvm_state::create_types() {
stack_type = llvm::StructType::create(ctx, "stack");
tag_type = llvm::IntegerType::getInt8Ty(ctx);
struct_types["node_base"] = llvm::StructType::create(ctx, "node_base");
struct_types["node_app"] = llvm::StructType::create(ctx, "node_app");
struct_types["node_num"] = llvm::StructType::create(ctx, "node_num");
struct_types["node_global"] = llvm::StructType::create(ctx, "node_global");
struct_types["node_ind"] = llvm::StructType::create(ctx, "node_ind");
struct_types["node_data"] = llvm::StructType::create(ctx, "node_data");
node_ptr_type = llvm::PointerType::getUnqual(struct_types.at("node_base"));
stack_type = StructType::create(ctx, "stack");
stack_ptr_type = PointerType::getUnqual(stack_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"));
}
void llvm_state::create_functions() {
auto void_type = Type::getVoidTy(ctx);
auto sizet_type = IntegerType::getInt64Ty(ctx);
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_push",
&module
);
functions["stack_peek"] = Function::Create(
FunctionType::get(node_ptr_type, { stack_ptr_type, sizet_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
functions["stack_popn"] = Function::Create(
FunctionType::get(void_type, { stack_ptr_type, sizet_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
functions["stack_slide"] = Function::Create(
FunctionType::get(void_type, { stack_ptr_type, sizet_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
functions["stack_update"] = Function::Create(
FunctionType::get(void_type, { stack_ptr_type, sizet_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
functions["stack_alloc"] = Function::Create(
FunctionType::get(void_type, { stack_ptr_type, sizet_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
functions["stack_pack"] = Function::Create(
FunctionType::get(void_type, { stack_ptr_type, sizet_type, tag_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
functions["stack_split"] = Function::Create(
FunctionType::get(node_ptr_type, { stack_ptr_type, sizet_type }, false),
Function::LinkageTypes::ExternalLinkage,
"stack_push",
&module
);
}

1
08/llvm_context.hpp
View File

@ -15,6 +15,7 @@ struct llvm_state {
std::map<std::string, llvm::StructType*> struct_types;
llvm::StructType* stack_type;
llvm::PointerType* stack_ptr_type;
llvm::PointerType* node_ptr_type;
llvm::IntegerType* tag_type;