edlc_codegen_cranelift 0.1.0

Cranelift codegen backend for the EDL compiler
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177

/*
 *    Copyright 2025 Adrian Paskert
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

use edlc_core::prelude::mir_expr::mir_constant::MirConstant;
use edlc_core::prelude::{MirError, MirPhase};
use edlc_core::prelude::edl_value::EdlLiteralValue;
use cranelift_codegen::ir::{InstBuilder, types};
use cranelift_module::Module;
use crate::codegen::{code_ctx, Compilable, FunctionTranslator, IntoValue};
use crate::codegen::variable::AggregateValue;
use crate::compiler::JIT;


impl<Runtime> Compilable<Runtime> for MirConstant {
    fn compile(
        self,
        backend: &mut FunctionTranslator<Runtime>,
        phase: &mut MirPhase
    ) -> Result<AggregateValue, MirError<JIT<Runtime>>> {
        match self.value {
            EdlLiteralValue::Usize(val) => {
                let ptr_ty = backend.module.target_config().pointer_type();
                let val = [backend.builder.ins().iconst(ptr_ty, val as i64)].into_value(self.ty);
                Ok(val)
            }
            EdlLiteralValue::Isize(val) => {
                let ptr_ty = backend.module.target_config().pointer_type();
                let val = [backend.builder.ins().iconst(ptr_ty, val as i64)].into_value(self.ty);
                Ok(val)
            }
            EdlLiteralValue::Bool(val) => {
                Ok([backend.builder.ins().iconst(types::I8, val as i64)].into_value(self.ty))
            }
            EdlLiteralValue::U8(val) => {
                Ok([backend.builder.ins().iconst(types::I8, val as i64)].into_value(self.ty))
            }
            EdlLiteralValue::U16(val) => {
                Ok([backend.builder.ins().iconst(types::I16, val as i64)].into_value(self.ty))
            }
            EdlLiteralValue::U32(val) => {
                Ok([backend.builder.ins().iconst(types::I32, val as i64)].into_value(self.ty))
            }
            EdlLiteralValue::U64(val) => {
                Ok([backend.builder.ins().iconst(types::I64, val as i64)].into_value(self.ty))
            }
            EdlLiteralValue::U128(val) => {
                let higher = backend.builder.ins().iconst(types::I64, (val >> 64) as i64);
                let lower = backend.builder.ins().iconst(types::I64, val as i64);
                Ok([backend.builder.ins().iconcat(lower, higher)].into_value(self.ty))
            }
            EdlLiteralValue::I8(val) => {
                Ok([backend.builder.ins().iconst(types::I8, val as u8 as i64)].into_value(self.ty))
            }
            EdlLiteralValue::I16(val) => {
                Ok([backend.builder.ins().iconst(types::I16, val as u16 as i64)].into_value(self.ty))
            }
            EdlLiteralValue::I32(val) => {
                Ok([backend.builder.ins().iconst(types::I32, val as u32 as i64)].into_value(self.ty))
            }
            EdlLiteralValue::I64(val) => {
                Ok([backend.builder.ins().iconst(types::I64, val)].into_value(self.ty))
            }
            EdlLiteralValue::I128(val) => {
                let higher = backend.builder.ins().iconst(types::I64, (val >> 64) as i64);
                let lower = backend.builder.ins().iconst(types::I64, val as i64);
                Ok([backend.builder.ins().iconcat(lower, higher)].into_value(self.ty))
            }
            EdlLiteralValue::Str(val) => {
                let bytes = val.into_bytes();
                let len = bytes.len();
                backend.data_description.define(bytes.into_boxed_slice());
                let id = backend
                    .module.declare_anonymous_data(false, false)
                    .unwrap();
                backend
                    .module.define_data(id, backend.data_description)
                    .unwrap();
                backend.data_description.clear();

                let local_id = backend.module
                    .declare_data_in_func(id, backend.builder.func);
                let ptr_ty = backend.module.target_config().pointer_type();
                let ptr = backend.builder.ins().symbol_value(ptr_ty, local_id);

                // assemble a FatPtr from the slice ptr and the size of the pointer
                let len = backend.builder.ins().iconst(types::I64, len as i64);
                Ok([ptr, len].into_value(self.ty))
            }
            EdlLiteralValue::Char(val) => {
                Ok([backend.builder.ins().iconst(types::I32, val as u64 as i64)].into_value(self.ty))
            }
            EdlLiteralValue::Empty() => {
                Ok([].into_value(self.ty))
            }
        }.and_then(|val| AggregateValue::from_comp_value(val, code_ctx!(backend, phase)))
    }
}

#[cfg(test)]
mod test {
    use edlc_core::inline_code;
    use edlc_core::parser::{InFile, Parsable};
    use edlc_core::prelude::ast_expression::AstExpr;
    use edlc_core::prelude::{CompilerError, EdlCompiler, IntoHir, ParserSupplier, ResolveFn, ResolveNames, ResolveTypes};
    use edlc_core::prelude::translation::IntoMir;
    use edlc_core::prelude::type_analysis::{InferProvider, InferState};
    use crate::codegen::ItemCodegen;
    use crate::compiler::{JIT, TypedProgram};

    #[test]
    fn test() -> Result<(), CompilerError> {
        let mut compiler = EdlCompiler::new();
        let mut backend = JIT::<()>::default();

        compiler.push_core_types()?;
        compiler.push_core_traits()?;
        compiler.prepare_module(&vec!["std"].into())?;

        let module = compiler.parse_module(edlc_core::inline_code!(r#"
fn load_dim(config: f32) -> i64 {
    42
}
const DIM: i64 = load_dim(1.0);

fn main() -> i64 {
    DIM
}
        "#), vec!["test"].into())?;

        compiler.prepare_mir()?;
        module.register_function_definitions(&mut backend.func_reg.borrow_mut());
        module.codegen(&mut compiler.phase, &mut backend, &mut compiler.mir_phase)
            .unwrap();

        // now that the module is loaded, we can try to eval an expression which calls the main
        // function of the program
        let src = "main()";
        let module_src = inline_code!(src);
        let ast = AstExpr::parse(&mut compiler.create_parser(src, module_src.clone()))
            .in_file(module_src)
            .map_err(|err| compiler.report_ast_err(err))?;

        let mut hir = ast.hir_repr(&mut compiler.phase)?;
        hir.resolve_names(&mut compiler.phase)?;

        let mut infer_state = InferState::new();
        for _ in 0..10 {
            let _ = hir.resolve_types(&mut compiler.phase, &mut infer_state);
            let _ = hir.resolve_fn(&mut compiler.phase);
        }
        hir.resolve_types(&mut compiler.phase, &mut infer_state)?;
        hir.resolve_fn(&mut compiler.phase)?;
        hir.finalize_types(&mut compiler.phase.infer_from(&mut infer_state));

        let mir = hir.mir_repr(&mut compiler.phase, &mut compiler.mir_phase, &mut backend.func_reg.borrow_mut())?;

        let program: TypedProgram<i64, _> = backend
            .eval_expr(mir, &mut compiler.mir_phase, &mut compiler.phase)
            .unwrap();
        let exit_code = program.exec(&mut backend).unwrap();
        assert_eq!(exit_code, 42);
        Ok(())
    }
}