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codegen: fixed deadlock and added call test

escape-analysis
pca006132 2021-08-25 17:44:01 +08:00
parent 0608fd9659
commit e2b11c3fee
2 changed files with 250 additions and 96 deletions
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163
nac3core/src/codegen/expr.rs
View File

@ -109,105 +109,104 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
params: Vec<(Option<String>, BasicValueEnum<'ctx>)>,
) -> Option<BasicValueEnum<'ctx>> {
let key = self.get_subst_key(obj.map(|a| a.0), fun.0, None);
let top_level_defs = self.top_level.definitions.read();
let definition = top_level_defs.get(fun.1 .0).unwrap();
let symbol =
if let TopLevelDef::Function { instance_to_symbol, .. } = &*definition.read() {
let definition = self.top_level.definitions.read().get(fun.1.0).cloned().unwrap();
let mut task = None;
let symbol = {
// make sure this lock guard is dropped at the end of this scope...
let def = definition.read();
if let TopLevelDef::Function { instance_to_symbol, .. } = &*def {
instance_to_symbol.get(&key).cloned()
} else {
unreachable!()
}
.unwrap_or_else(|| {
if let TopLevelDef::Function {
name,
instance_to_symbol,
instance_to_stmt,
var_id,
resolver,
..
} = &mut *definition.write()
{
instance_to_symbol.get(&key).cloned().unwrap_or_else(|| {
let symbol = format!("{}_{}", name, instance_to_symbol.len());
instance_to_symbol.insert(key, symbol.clone());
let key = self.get_subst_key(obj.map(|a| a.0), fun.0, Some(var_id));
let instance = instance_to_stmt.get(&key).unwrap();
let unifiers = self.top_level.unifiers.read();
let (unifier, primitives) = &unifiers[instance.unifier_id];
let mut unifier = Unifier::from_shared_unifier(&unifier);
}
.unwrap_or_else(|| {
if let TopLevelDef::Function {
name,
instance_to_symbol,
instance_to_stmt,
var_id,
resolver,
..
} = &mut *definition.write()
{
instance_to_symbol.get(&key).cloned().unwrap_or_else(|| {
let symbol = format!("{}_{}", name, instance_to_symbol.len());
instance_to_symbol.insert(key, symbol.clone());
let key = self.get_subst_key(obj.map(|a| a.0), fun.0, Some(var_id));
let instance = instance_to_stmt.get(&key).unwrap();
let unifiers = self.top_level.unifiers.read();
let (unifier, primitives) = &unifiers[instance.unifier_id];
let mut unifier = Unifier::from_shared_unifier(&unifier);
let mut type_cache = [
(self.primitives.int32, primitives.int32),
(self.primitives.int64, primitives.int64),
(self.primitives.float, primitives.float),
(self.primitives.bool, primitives.bool),
(self.primitives.none, primitives.none),
]
let mut type_cache = [
(self.primitives.int32, primitives.int32),
(self.primitives.int64, primitives.int64),
(self.primitives.float, primitives.float),
(self.primitives.bool, primitives.bool),
(self.primitives.none, primitives.none),
]
.iter()
.map(|(a, b)| {
(self.unifier.get_representative(*a), unifier.get_representative(*b))
})
.collect();
let subst = fun
.0
.vars
.iter()
.map(|(a, b)| {
(self.unifier.get_representative(*a), unifier.get_representative(*b))
.map(|(id, ty)| {
(
*instance.subst.get(id).unwrap(),
unifier.copy_from(&mut self.unifier, *ty, &mut type_cache),
)
})
.collect();
let subst = fun
let signature = FunSignature {
args: fun
.0
.args
.iter()
.map(|arg| FuncArg {
name: arg.name.clone(),
ty: unifier.copy_from(&mut self.unifier, arg.ty, &mut type_cache),
default_value: arg.default_value.clone(),
})
.collect(),
ret: unifier.copy_from(&mut self.unifier, fun.0.ret, &mut type_cache),
vars: fun
.0
.vars
.iter()
.map(|(id, ty)| {
(
*instance.subst.get(id).unwrap(),
unifier.copy_from(&mut self.unifier, *ty, &mut type_cache),
)
(*id, unifier.copy_from(&mut self.unifier, *ty, &mut type_cache))
})
.collect();
.collect(),
};
let signature = FunSignature {
args: fun
.0
.args
.iter()
.map(|arg| FuncArg {
name: arg.name.clone(),
ty: unifier.copy_from(
&mut self.unifier,
arg.ty,
&mut type_cache,
),
default_value: arg.default_value.clone(),
})
.collect(),
ret: unifier.copy_from(&mut self.unifier, fun.0.ret, &mut type_cache),
vars: fun
.0
.vars
.iter()
.map(|(id, ty)| {
(
*id,
unifier.copy_from(&mut self.unifier, *ty, &mut type_cache),
)
})
.collect(),
};
let unifier = (unifier.get_shared_unifier(), *primitives);
let unifier = (unifier.get_shared_unifier(), *primitives);
task = Some(CodeGenTask {
symbol_name: symbol.clone(),
body: instance.body.clone(),
resolver: resolver.as_ref().unwrap().clone(),
calls: instance.calls.clone(),
subst,
signature,
unifier,
});
symbol
})
} else {
unreachable!()
}
});
let task = CodeGenTask {
symbol_name: symbol.clone(),
body: instance.body.clone(),
resolver: resolver.as_ref().unwrap().clone(),
calls: instance.calls.clone(),
subst,
signature,
unifier,
};
self.registry.add_task(task);
symbol
})
} else {
unreachable!()
}
});
if let Some(task) = task {
self.registry.add_task(task);
}
let fun_val = self.module.get_function(&symbol).unwrap_or_else(|| {
let params = fun.0.args.iter().map(|arg| self.get_llvm_type(arg.ty)).collect_vec();

183
nac3core/src/codegen/test.rs
View File

@ -1,26 +1,26 @@
use crate::{
codegen::{CodeGenTask, WithCall, WorkerRegistry},
location::Location,
symbol_resolver::{SymbolResolver, SymbolValue},
toplevel::{DefinitionId, TopLevelComposer, TopLevelContext},
typecheck::{
use crate::{codegen::{CodeGenTask, WithCall, WorkerRegistry}, location::Location, symbol_resolver::{SymbolResolver, SymbolValue}, toplevel::{DefinitionId, FunInstance, TopLevelComposer, TopLevelContext, TopLevelDef}, typecheck::{
type_inferencer::{FunctionData, Inferencer, PrimitiveStore},
typedef::{FunSignature, FuncArg, Type, Unifier},
},
};
typedef::{FunSignature, FuncArg, Type, TypeEnum, Unifier},
}};
use indoc::indoc;
use parking_lot::RwLock;
use rustpython_parser::{ast::fold::Fold, parser::parse_program};
use std::collections::HashMap;
use std::sync::Arc;
use std::cell::RefCell;
#[derive(Clone)]
struct Resolver {
id_to_type: HashMap<String, Type>,
id_to_def: HashMap<String, DefinitionId>,
id_to_def: RwLock<HashMap<String, DefinitionId>>,
class_names: HashMap<String, Type>,
}
impl Resolver {
pub fn add_id_def(&self, id: String, def: DefinitionId) {
self.id_to_def.write().insert(id, def);
}
}
impl SymbolResolver for Resolver {
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: &str) -> Option<Type> {
self.id_to_type.get(str).cloned()
@ -35,7 +35,7 @@ impl SymbolResolver for Resolver {
}
fn get_identifier_def(&self, id: &str) -> Option<DefinitionId> {
self.id_to_def.get(id).cloned()
self.id_to_def.read().get(id).cloned()
}
}
@ -56,7 +56,7 @@ fn test_primitives() {
let resolver = Arc::new(Box::new(Resolver {
id_to_type: HashMap::new(),
id_to_def: HashMap::new(),
id_to_def: RwLock::new(HashMap::new()),
class_names: Default::default(),
}) as Box<dyn SymbolResolver + Send + Sync>);
@ -175,5 +175,160 @@ fn test_primitives() {
let (registry, handles) = WorkerRegistry::create_workers(&threads, top_level, f);
registry.add_task(task);
registry.wait_tasks_complete(handles);
println!("object file is in mandelbrot.o")
}
#[test]
fn test_simple_call() {
let source_1 = indoc! { "
a = foo(a)
return a * 2
"};
let statements_1 = parse_program(source_1).unwrap();
let source_2 = indoc! { "
return a + 1
"};
let statements_2 = parse_program(source_2).unwrap();
let (_, composer) = TopLevelComposer::new();
let mut unifier = composer.unifier.clone();
let primitives = composer.primitives_ty;
let top_level = Arc::new(composer.make_top_level_context());
unifier.top_level = Some(top_level.clone());
let signature = FunSignature {
args: vec![FuncArg { name: "a".to_string(), ty: primitives.int32, default_value: None }],
ret: primitives.int32,
vars: HashMap::new(),
};
let fun_ty = unifier.add_ty(TypeEnum::TFunc(RefCell::new(signature.clone())));
let foo_id = top_level.definitions.read().len();
top_level.definitions.write().push(Arc::new(RwLock::new(TopLevelDef::Function {
name: "foo".to_string(),
signature: fun_ty,
var_id: vec![],
instance_to_stmt: HashMap::new(),
instance_to_symbol: HashMap::new(),
resolver: None
})));
let resolver = Box::new(Resolver {
id_to_type: HashMap::new(),
id_to_def: RwLock::new(HashMap::new()),
class_names: Default::default(),
});
resolver.add_id_def("foo".to_string(), DefinitionId(foo_id));
let resolver = Arc::new(resolver as Box<dyn SymbolResolver + Send + Sync>);
if let TopLevelDef::Function {resolver: r, ..} = &mut *top_level.definitions.read()[foo_id].write() {
*r = Some(resolver.clone());
} else {
unreachable!()
}
let threads = ["test"];
let mut function_data = FunctionData {
resolver: resolver.clone(),
bound_variables: Vec::new(),
return_type: Some(primitives.int32),
};
let mut virtual_checks = Vec::new();
let mut calls = HashMap::new();
let mut inferencer = Inferencer {
top_level: &top_level,
function_data: &mut function_data,
unifier: &mut unifier,
variable_mapping: Default::default(),
primitives: &primitives,
virtual_checks: &mut virtual_checks,
calls: &mut calls,
};
inferencer.variable_mapping.insert("a".into(), inferencer.primitives.int32);
inferencer.variable_mapping.insert("foo".into(), fun_ty);
let statements_1 = statements_1
.into_iter()
.map(|v| inferencer.fold_stmt(v))
.collect::<Result<Vec<_>, _>>()
.unwrap();
let calls1 = inferencer.calls.clone();
inferencer.calls.clear();
let statements_2 = statements_2
.into_iter()
.map(|v| inferencer.fold_stmt(v))
.collect::<Result<Vec<_>, _>>()
.unwrap();
if let TopLevelDef::Function {instance_to_stmt, ..} = &mut *top_level.definitions.read()[foo_id].write() {
instance_to_stmt.insert("".to_string(), FunInstance {
body: statements_2,
calls: inferencer.calls.clone(),
subst: Default::default(),
unifier_id: 0
});
} else {
unreachable!()
}
let mut identifiers = vec!["a".to_string(), "foo".into()];
inferencer.check_block(&statements_1, &mut identifiers).unwrap();
let top_level = Arc::new(TopLevelContext {
definitions: Arc::new(RwLock::new(std::mem::take(&mut *top_level.definitions.write()))),
unifiers: Arc::new(RwLock::new(vec![(unifier.get_shared_unifier(), primitives)])),
});
let unifier = (unifier.get_shared_unifier(), primitives);
let task = CodeGenTask {
subst: Default::default(),
symbol_name: "testing".to_string(),
body: statements_1,
resolver,
unifier,
calls: calls1,
signature,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
let expected = indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0) {
init:
%a = alloca i32, align 4
store i32 %0, i32* %a, align 4
br label %body
body: ; preds = %init
%load = load i32, i32* %a, align 4
%call = call i32 @foo_0(i32 %load)
store i32 %call, i32* %a, align 4
%load1 = load i32, i32* %a, align 4
%mul = mul i32 %load1, 2
ret i32 %mul
}
declare i32 @foo_0(i32)
define i32 @foo_0.1(i32 %0) {
init:
%a = alloca i32, align 4
store i32 %0, i32* %a, align 4
br label %body
body: ; preds = %init
%load = load i32, i32* %a, align 4
%add = add i32 %load, 1
ret i32 %add
}
"}
.trim();
assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
})));
let (registry, handles) = WorkerRegistry::create_workers(&threads, top_level, f);
registry.add_task(task);
registry.wait_tasks_complete(handles);
}