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const std = @import("std");
const parser = @import("parser.zig");
const llvm = @import("llvm");
const target = llvm.target;
const types = llvm.types;
const core = llvm.core;
pub const CodeGen = struct {
pub fn generate() void {
// Initialize LLVM
_ = target.LLVMInitializeNativeTarget();
_ = target.LLVMInitializeNativeAsmPrinter();
_ = target.LLVMInitializeNativeAsmParser();
// Create a new LLVM module
const module: types.LLVMModuleRef = core.LLVMModuleCreateWithName("sum_module");
var params: [2]types.LLVMTypeRef = [_]types.LLVMTypeRef{
core.LLVMInt32Type(),
core.LLVMInt32Type(),
};
// Create a function that computes the sum of two integers
const func_type: types.LLVMTypeRef = core.LLVMFunctionType(core.LLVMInt32Type(), ¶ms, 2, 0);
const sum_func: types.LLVMValueRef = core.LLVMAddFunction(module, "sum", func_type);
const entry: types.LLVMBasicBlockRef = core.LLVMAppendBasicBlock(sum_func, "entry");
const builder: types.LLVMBuilderRef = core.LLVMCreateBuilder();
core.LLVMPositionBuilderAtEnd(builder, entry);
const arg1: types.LLVMValueRef = core.LLVMGetParam(sum_func, 0);
const arg2: types.LLVMValueRef = core.LLVMGetParam(sum_func, 1);
const sum: types.LLVMValueRef = core.LLVMBuildAdd(builder, arg1, arg2, "sum");
_ = core.LLVMBuildRet(builder, sum);
// Dump the LLVM module to stdout
core.LLVMDumpModule(module);
// Clean up LLVM resources
core.LLVMDisposeBuilder(builder);
core.LLVMDisposeModule(module);
core.LLVMShutdown();
}
};
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