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add index

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This commit is contained in:
Folkert 2021-06-20 21:33:25 +02:00
parent e1af2eb7d0
commit aba01ad62a
3 changed files with 28 additions and 16 deletions
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19
compiler/mono/src/borrow.rs
View file

@ -565,6 +565,11 @@ impl<'a> BorrowInfState<'a> {
EmptyArray => {
self.own_var(z);
}
Call(call) => self.collect_call(z, call),
Literal(_) | RuntimeErrorFunction(_) => {}
AccessAtIndex { structure: x, .. } => {
// if the structure (record/tag/array) is owned, the extracted value is
if self.is_owned(*x) {
@ -577,12 +582,16 @@ impl<'a> BorrowInfState<'a> {
}
}
Call(call) => self.collect_call(z, call),
CoerceToTagId { structure: x, .. } => {
// if the structure (record/tag/array) is owned, the extracted value is
if self.is_owned(*x) {
self.own_var(z);
}
Literal(_) | RuntimeErrorFunction(_) => {}
CoerceToTagId { .. } => {
// do nothing for now; when we extract the fields here, that must change
// if the extracted value is owned, the structure must be too
if self.is_owned(z) {
self.own_var(*x);
}
}
GetTagId { structure: x, .. } => {

23
compiler/mono/src/inc_dec.rs
View file

@ -743,17 +743,6 @@ impl<'a> Context<'a> {
self.arena.alloc(Stmt::Let(z, v, l, b)),
&b_live_vars,
),
AccessAtIndex { structure: x, .. } => {
let b = self.add_dec_if_needed(x, b, b_live_vars);
let info_x = self.get_var_info(x);
let b = if info_x.consume {
self.add_inc(z, 1, b)
} else {
b
};
self.arena.alloc(Stmt::Let(z, v, l, b))
}
Call(crate::ir::Call {
call_type,
@ -766,6 +755,18 @@ impl<'a> Context<'a> {
self.arena.alloc(Stmt::Let(z, v, l, b))
}
AccessAtIndex { structure: x, .. } => {
let b = self.add_dec_if_needed(x, b, b_live_vars);
let info_x = self.get_var_info(x);
let b = if info_x.consume {
self.add_inc(z, 1, b)
} else {
b
};
self.arena.alloc(Stmt::Let(z, v, l, b))
}
GetTagId { structure: x, .. } => {
let b = self.add_dec_if_needed(x, b, b_live_vars);
let info_x = self.get_var_info(x);

2
compiler/mono/src/ir.rs
View file

@ -1200,6 +1200,8 @@ pub enum Expr<'a> {
CoerceToTagId {
structure: Symbol,
tag_id: u8,
union_layout: UnionLayout<'a>,
index: u64,
},
Array {