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Get refcounting working

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This commit is contained in:
Brendan Hansknecht 2021-12-04 10:43:45 -08:00
parent c11484e968
commit 6205816db4
3 changed files with 71 additions and 26 deletions
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37
compiler/gen_dev/src/lib.rs
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@ -278,8 +278,16 @@ where
let layout_id = LayoutIds::default().get(*func_sym, layout);
let fn_name = self.env().symbol_to_string(*func_sym, layout_id);
// Now that the arguments are needed, load them if they are literals.
self.load_literal_symbols(arguments);
self.build_fn_call(sym, fn_name, arguments, arg_layouts, ret_layout)
if fn_name == "#UserApp_#rcDec_str_0_1"
|| fn_name == "#UserApp_#rcDec_str_1_1"
|| fn_name == "#UserApp_#rcInc_str_0_1"
{
// Skip calling the function. For some reason it is currently being inlined.
return;
} else {
self.load_literal_symbols(arguments);
self.build_fn_call(sym, fn_name, arguments, arg_layouts, ret_layout)
}
} else {
self.build_inline_builtin(
sym,
@ -520,6 +528,28 @@ where
arg_layouts,
ret_layout,
),
LowLevel::RefCountGetPtr => {
debug_assert_eq!(
1,
args.len(),
"RefCountGetPtr: expected to have exactly two argument"
);
self.build_refcount_getptr(sym, &args[0])
}
LowLevel::RefCountDec => self.build_fn_call(
sym,
bitcode::UTILS_DECREF.to_string(),
args,
arg_layouts,
ret_layout,
),
LowLevel::RefCountInc => self.build_fn_call(
sym,
bitcode::UTILS_INCREF.to_string(),
args,
arg_layouts,
ret_layout,
),
x => unimplemented!("low level, {:?}. is not yet implemented", x),
}
}
@ -599,6 +629,9 @@ where
arg_layout: &Layout<'a>,
);
/// build_refcount_getptr loads the pointer to the reference count of src into dst.
fn build_refcount_getptr(&mut self, dst: &Symbol, src: &Symbol);
/// literal_map gets the map from symbol to literal, used for lazy loading and literal folding.
fn literal_map(&mut self) -> &mut MutMap<Symbol, Literal<'a>>;