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add List.getUnsafe

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This commit is contained in:
Brendan Hansknecht 2022-02-19 17:07:53 -08:00
parent c47209c54a
commit f8e12da809
3 changed files with 64 additions and 4 deletions
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16
compiler/gen_dev/src/lib.rs
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@ -558,6 +558,14 @@ trait Backend<'a> {
);
self.build_list_len(sym, &args[0])
}
LowLevel::ListGetUnsafe => {
debug_assert_eq!(
2,
args.len(),
"ListLen: expected to have exactly two arguments"
);
self.build_list_get_unsafe(sym, &args[0], &args[1], ret_layout)
}
LowLevel::ListSet => self.build_fn_call(
sym,
bitcode::LIST_SET.to_string(),
@ -703,6 +711,14 @@ trait Backend<'a> {
/// build_list_len returns the length of a list.
fn build_list_len(&mut self, dst: &Symbol, list: &Symbol);
/// build_list_get_unsafe loads the element from the list at the index.
fn build_list_get_unsafe(
&mut self,
dst: &Symbol,
list: &Symbol,
index: &Symbol,
ret_layout: &Layout<'a>,
);
/// build_refcount_getptr loads the pointer to the reference count of src into dst.
fn build_ptr_cast(&mut self, dst: &Symbol, src: &Symbol);