roc/compiler/mono/tests/test_mono.rs
Richard Feldman 9de8ebe8e0 Fix test_mono
2020-11-23 00:33:56 -05:00

2348 lines
66 KiB
Rust

#[macro_use]
extern crate pretty_assertions;
#[macro_use]
extern crate indoc;
extern crate bumpalo;
extern crate roc_mono;
mod helpers;
// Test monomorphization
#[cfg(test)]
mod test_mono {
use roc_collections::all::MutMap;
use roc_module::symbol::Symbol;
use roc_mono::ir::Proc;
use roc_mono::layout::Layout;
fn promote_expr_to_module(src: &str) -> String {
let mut buffer =
String::from("app \"test\" provides [ main ] to \"./platform\"\n\nmain =\n");
for line in src.lines() {
// indent the body!
buffer.push_str(" ");
buffer.push_str(line);
buffer.push('\n');
}
buffer
}
fn compiles_to_ir(src: &str, expected: &str) {
use bumpalo::Bump;
use std::path::{Path, PathBuf};
let arena = &Bump::new();
// let stdlib = roc_builtins::unique::uniq_stdlib();
let stdlib = roc_builtins::std::standard_stdlib();
let filename = PathBuf::from("Test.roc");
let src_dir = Path::new("fake/test/path");
let module_src;
let temp;
if src.starts_with("app") {
// this is already a module
module_src = src;
} else {
// this is an expression, promote it to a module
temp = promote_expr_to_module(src);
module_src = &temp;
}
let exposed_types = MutMap::default();
let loaded = roc_load::file::load_and_monomorphize_from_str(
arena,
filename,
&module_src,
stdlib,
src_dir,
exposed_types,
);
let mut loaded = loaded.expect("failed to load module");
use roc_load::file::MonomorphizedModule;
let MonomorphizedModule {
module_id: home,
procedures,
exposed_to_host,
..
} = loaded;
let can_problems = loaded.can_problems.remove(&home).unwrap_or_default();
let type_problems = loaded.type_problems.remove(&home).unwrap_or_default();
let mono_problems = loaded.mono_problems.remove(&home).unwrap_or_default();
if !can_problems.is_empty() {
println!("Ignoring {} canonicalization problems", can_problems.len());
}
assert_eq!(type_problems, Vec::new());
assert_eq!(mono_problems, Vec::new());
debug_assert_eq!(exposed_to_host.len(), 1);
let main_fn_symbol = exposed_to_host.keys().copied().nth(0).unwrap();
verify_procedures(expected, procedures, main_fn_symbol);
}
#[cfg(debug_assertions)]
fn verify_procedures(
expected: &str,
procedures: MutMap<(Symbol, Layout<'_>), Proc<'_>>,
main_fn_symbol: Symbol,
) {
let index = procedures
.keys()
.position(|(s, _)| *s == main_fn_symbol)
.unwrap();
let mut procs_string = procedures
.values()
.map(|proc| proc.to_pretty(200))
.collect::<Vec<_>>();
let main_fn = procs_string.swap_remove(index);
procs_string.sort();
procs_string.push(main_fn);
let result = procs_string.join("\n");
let the_same = result == expected;
if !the_same {
let expected_lines = expected.split("\n").collect::<Vec<&str>>();
let result_lines = result.split("\n").collect::<Vec<&str>>();
for line in &result_lines {
if !line.is_empty() {
println!(" {}", line);
} else {
println!("");
}
}
assert_eq!(expected_lines, result_lines);
assert_eq!(0, 1);
}
}
// NOTE because the Show instance of module names is different in --release mode,
// these tests would all fail. In the future, when we do interesting optimizations,
// we'll likely want some tests for --release too.
#[cfg(not(debug_assertions))]
fn verify_procedures(
_expected: &str,
_procedures: MutMap<(Symbol, Layout<'_>), Proc<'_>>,
_main_fn_symbol: Symbol,
) {
// Do nothing
}
#[test]
fn ir_int_literal() {
compiles_to_ir(
r#"
5
"#,
indoc!(
r#"
procedure .0 ():
let .1 = 5i64;
ret .1;
"#
),
)
}
#[test]
fn ir_assignment() {
compiles_to_ir(
r#"
x = 5
x
"#,
indoc!(
r#"
procedure .0 ():
let .1 = 5i64;
ret .1;
"#
),
)
}
#[test]
fn ir_when_maybe() {
compiles_to_ir(
r#"
when Just 3 is
Just n -> n
Nothing -> 0
"#,
indoc!(
r#"
procedure .0 ():
let .8 = 0i64;
let .9 = 3i64;
let .2 = Just .8 .9;
let .5 = 0i64;
let .6 = Index 0 .2;
let .7 = lowlevel Eq .5 .6;
if .7 then
let .1 = Index 1 .2;
ret .1;
else
let .4 = 0i64;
ret .4;
"#
),
)
}
#[test]
fn ir_when_these() {
compiles_to_ir(
r#"
when These 1 2 is
This x -> x
That y -> y
These x _ -> x
"#,
indoc!(
r#"
procedure .0 ():
let .8 = 1i64;
let .9 = 1i64;
let .10 = 2i64;
let .4 = These .8 .9 .10;
switch .4:
case 2:
let .1 = Index 1 .4;
ret .1;
case 0:
let .2 = Index 1 .4;
ret .2;
default:
let .3 = Index 1 .4;
ret .3;
"#
),
)
}
#[test]
fn ir_when_record() {
compiles_to_ir(
r#"
when { x: 1, y: 3.14 } is
{ x } -> x
"#,
indoc!(
r#"
procedure .0 ():
let .5 = 1i64;
let .6 = 3.14f64;
let .2 = Struct {.5, .6};
let .1 = Index 0 .2;
ret .1;
"#
),
)
}
#[test]
fn ir_plus() {
compiles_to_ir(
r#"
1 + 2
"#,
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .4 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .4;
procedure .0 ():
let .2 = 1i64;
let .3 = 2i64;
let .1 = CallByName Num.14 .2 .3;
ret .1;
"#
),
)
}
#[test]
fn ir_round() {
compiles_to_ir(
r#"
Num.round 3.6
"#,
indoc!(
r#"
procedure Num.36 (#Attr.2):
let .3 = lowlevel NumRound #Attr.2;
ret .3;
procedure .0 ():
let .2 = 3.6f64;
let .1 = CallByName Num.36 .2;
ret .1;
"#
),
)
}
#[test]
fn ir_when_idiv() {
compiles_to_ir(
r#"
when 1000 // 10 is
Ok val -> val
Err _ -> -1
"#,
indoc!(
r#"
procedure Num.32 (#Attr.2, #Attr.3):
let .17 = 0i64;
let .13 = lowlevel NotEq #Attr.3 .17;
if .13 then
let .15 = 1i64;
let .16 = lowlevel NumDivUnchecked #Attr.2 #Attr.3;
let .14 = Ok .15 .16;
ret .14;
else
let .11 = 0i64;
let .12 = Struct {};
let .10 = Err .11 .12;
ret .10;
procedure .0 ():
let .8 = 1000i64;
let .9 = 10i64;
let .2 = CallByName Num.32 .8 .9;
let .5 = 1i64;
let .6 = Index 0 .2;
let .7 = lowlevel Eq .5 .6;
if .7 then
let .1 = Index 1 .2;
ret .1;
else
let .4 = -1i64;
ret .4;
"#
),
)
}
#[test]
fn ir_two_defs() {
compiles_to_ir(
r#"
x = 3
y = 4
x + y
"#,
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .4 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .4;
procedure .0 ():
let .1 = 3i64;
let .2 = 4i64;
let .3 = CallByName Num.14 .1 .2;
ret .3;
"#
),
)
}
#[test]
fn ir_when_just() {
compiles_to_ir(
r#"
x : [ Nothing, Just Int ]
x = Just 41
when x is
Just v -> v + 0x1
Nothing -> 0x1
"#,
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .5 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .5;
procedure .0 ():
let .10 = 0i64;
let .11 = 41i64;
let .1 = Just .10 .11;
let .7 = 0i64;
let .8 = Index 0 .1;
let .9 = lowlevel Eq .7 .8;
if .9 then
let .2 = Index 1 .1;
let .4 = 1i64;
let .3 = CallByName Num.14 .2 .4;
ret .3;
else
let .6 = 1i64;
ret .6;
"#
),
)
}
#[test]
fn one_element_tag() {
compiles_to_ir(
r#"
x : [ Pair Int ]
x = Pair 2
x
"#,
indoc!(
r#"
procedure .0 ():
let .3 = 2i64;
let .1 = Struct {.3};
ret .1;
"#
),
)
}
#[test]
fn guard_pattern_true() {
compiles_to_ir(
r#"
wrapper = \{} ->
when 2 is
2 if False -> 42
_ -> 0
wrapper {}
"#,
indoc!(
r#"
procedure .1 (.2):
let .5 = 2i64;
joinpoint .11:
let .9 = 0i64;
ret .9;
in
let .10 = 2i64;
let .13 = lowlevel Eq .10 .5;
if .13 then
joinpoint .7 .12:
if .12 then
let .6 = 42i64;
ret .6;
else
jump .11;
in
let .8 = false;
jump .7 .8;
else
jump .11;
procedure .0 ():
let .4 = Struct {};
let .3 = CallByName .1 .4;
ret .3;
"#
),
)
}
#[test]
fn when_on_record() {
compiles_to_ir(
r#"
when { x: 0x2 } is
{ x } -> x + 3
"#,
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .5 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .5;
procedure .0 ():
let .6 = 2i64;
let .2 = Struct {.6};
let .1 = Index 0 .2;
let .4 = 3i64;
let .3 = CallByName Num.14 .1 .4;
ret .3;
"#
),
)
}
#[test]
fn when_nested_maybe() {
compiles_to_ir(
r#"
Maybe a : [ Nothing, Just a ]
x : Maybe (Maybe Int)
x = Just (Just 41)
when x is
Just (Just v) -> v + 0x1
_ -> 0x1
"#,
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .6 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .6;
procedure .0 ():
let .17 = 0i64;
let .19 = 0i64;
let .20 = 41i64;
let .18 = Just .19 .20;
let .2 = Just .17 .18;
joinpoint .14:
let .8 = 1i64;
ret .8;
in
let .12 = 0i64;
let .13 = Index 0 .2;
let .16 = lowlevel Eq .12 .13;
if .16 then
let .9 = Index 1 .2;
let .10 = 0i64;
let .11 = Index 0 .9;
let .15 = lowlevel Eq .10 .11;
if .15 then
let .7 = Index 1 .2;
let .3 = Index 1 .7;
let .5 = 1i64;
let .4 = CallByName Num.14 .3 .5;
ret .4;
else
jump .14;
else
jump .14;
"#
),
)
}
#[test]
fn when_on_two_values() {
compiles_to_ir(
r#"
when Pair 2 3 is
Pair 4 3 -> 9
Pair a b -> a + b
"#,
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .6 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .6;
procedure .0 ():
let .14 = 2i64;
let .15 = 3i64;
let .3 = Struct {.14, .15};
joinpoint .11:
let .1 = Index 0 .3;
let .2 = Index 1 .3;
let .5 = CallByName Num.14 .1 .2;
ret .5;
in
let .9 = Index 1 .3;
let .10 = 3i64;
let .13 = lowlevel Eq .10 .9;
if .13 then
let .7 = Index 0 .3;
let .8 = 4i64;
let .12 = lowlevel Eq .8 .7;
if .12 then
let .4 = 9i64;
ret .4;
else
jump .11;
else
jump .11;
"#
),
)
}
#[test]
fn list_append_closure() {
compiles_to_ir(
r#"
myFunction = \l -> List.append l 42
myFunction [ 1, 2 ]
"#,
indoc!(
r#"
procedure .1 (.2):
let .6 = 42i64;
let .5 = CallByName List.5 .2 .6;
ret .5;
procedure List.5 (#Attr.2, #Attr.3):
let .7 = lowlevel ListAppend #Attr.2 #Attr.3;
ret .7;
procedure .0 ():
let .8 = 1i64;
let .9 = 2i64;
let .4 = Array [.8, .9];
let .3 = CallByName .1 .4;
ret .3;
"#
),
)
}
#[test]
fn list_append() {
// TODO this leaks at the moment
// ListAppend needs to decrement its arguments
compiles_to_ir(
r#"
List.append [1] 2
"#,
indoc!(
r#"
procedure List.5 (#Attr.2, #Attr.3):
let .4 = lowlevel ListAppend #Attr.2 #Attr.3;
ret .4;
procedure .0 ():
let .5 = 1i64;
let .2 = Array [.5];
let .3 = 2i64;
let .1 = CallByName List.5 .2 .3;
ret .1;
"#
),
)
}
#[test]
fn list_len() {
compiles_to_ir(
r#"
x = [1,2,3]
y = [ 1.0 ]
List.len x + List.len y
"#,
indoc!(
r#"
procedure List.7 (#Attr.2):
let .7 = lowlevel ListLen #Attr.2;
ret .7;
procedure List.7 (#Attr.2):
let .8 = lowlevel ListLen #Attr.2;
ret .8;
procedure Num.14 (#Attr.2, #Attr.3):
let .6 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .6;
procedure .0 ():
let .10 = 1i64;
let .11 = 2i64;
let .12 = 3i64;
let .1 = Array [.10, .11, .12];
let .9 = 1f64;
let .2 = Array [.9];
let .4 = CallByName List.7 .1;
dec .1;
let .5 = CallByName List.7 .2;
dec .2;
let .3 = CallByName Num.14 .4 .5;
ret .3;
"#
),
)
}
#[test]
fn when_joinpoint() {
compiles_to_ir(
r#"
wrapper = \{} ->
x : [ Red, White, Blue ]
x = Blue
y =
when x is
Red -> 1
White -> 2
Blue -> 3
y
wrapper {}
"#,
indoc!(
r#"
procedure .1 (.4):
let .2 = 0u8;
joinpoint .8 .3:
ret .3;
in
switch .2:
case 1:
let .9 = 1i64;
jump .8 .9;
case 2:
let .10 = 2i64;
jump .8 .10;
default:
let .11 = 3i64;
jump .8 .11;
procedure .0 ():
let .6 = Struct {};
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
}
#[test]
fn simple_if() {
compiles_to_ir(
r#"
if True then
1
else
2
"#,
indoc!(
r#"
procedure .0 ():
let .2 = true;
if .2 then
let .3 = 1i64;
ret .3;
else
let .1 = 2i64;
ret .1;
"#
),
)
}
#[test]
fn if_multi_branch() {
compiles_to_ir(
r#"
if True then
1
else if False then
2
else
3
"#,
indoc!(
r#"
procedure .0 ():
let .4 = true;
if .4 then
let .5 = 1i64;
ret .5;
else
let .2 = false;
if .2 then
let .3 = 2i64;
ret .3;
else
let .1 = 3i64;
ret .1;
"#
),
)
}
#[test]
fn when_on_result() {
compiles_to_ir(
r#"
wrapper = \{} ->
x : Result Int Int
x = Ok 2
y =
when x is
Ok 3 -> 1
Ok _ -> 2
Err _ -> 3
y
wrapper {}
"#,
indoc!(
r#"
procedure .1 (.4):
let .18 = 1i64;
let .19 = 2i64;
let .2 = Ok .18 .19;
joinpoint .8 .3:
ret .3;
in
let .15 = 1i64;
let .16 = Index 0 .2;
let .17 = lowlevel Eq .15 .16;
if .17 then
let .12 = Index 1 .2;
let .13 = 3i64;
let .14 = lowlevel Eq .13 .12;
if .14 then
let .9 = 1i64;
jump .8 .9;
else
let .10 = 2i64;
jump .8 .10;
else
let .11 = 3i64;
jump .8 .11;
procedure .0 ():
let .6 = Struct {};
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
}
#[test]
fn let_with_record_pattern() {
compiles_to_ir(
r#"
{ x } = { x: 0x2, y: 3.14 }
x
"#,
indoc!(
r#"
procedure .0 ():
let .5 = 2i64;
let .6 = 3.14f64;
let .4 = Struct {.5, .6};
let .1 = Index 0 .4;
ret .1;
"#
),
)
}
#[test]
fn let_with_record_pattern_list() {
compiles_to_ir(
r#"
{ x } = { x: [ 1, 3, 4 ], y: 3.14 }
x
"#,
indoc!(
r#"
procedure .0 ():
let .7 = 1i64;
let .8 = 3i64;
let .9 = 4i64;
let .5 = Array [.7, .8, .9];
let .6 = 3.14f64;
let .4 = Struct {.5, .6};
let .1 = Index 0 .4;
inc .1;
dec .4;
ret .1;
"#
),
)
}
#[test]
fn if_guard_bind_variable_false() {
compiles_to_ir(
indoc!(
r#"
wrapper = \{} ->
when 10 is
x if x == 5 -> 0
_ -> 42
wrapper {}
"#
),
indoc!(
r#"
procedure .1 (.3):
let .6 = 10i64;
joinpoint .8 .13:
if .13 then
let .7 = 0i64;
ret .7;
else
let .12 = 42i64;
ret .12;
in
let .10 = 5i64;
let .9 = CallByName Bool.5 .6 .10;
jump .8 .9;
procedure Bool.5 (#Attr.2, #Attr.3):
let .11 = lowlevel Eq #Attr.2 #Attr.3;
ret .11;
procedure .0 ():
let .5 = Struct {};
let .4 = CallByName .1 .5;
ret .4;
"#
),
)
}
#[test]
fn alias_variable() {
compiles_to_ir(
indoc!(
r#"
x = 5
y = x
3
"#
),
indoc!(
r#"
procedure .0 ():
let .1 = 5i64;
let .3 = 3i64;
ret .3;
"#
),
);
compiles_to_ir(
indoc!(
r#"
x = 5
y = x
y
"#
),
indoc!(
r#"
procedure .0 ():
let .1 = 5i64;
ret .1;
"#
),
)
}
#[test]
fn branch_store_variable() {
compiles_to_ir(
indoc!(
r#"
when 0 is
1 -> 12
a -> a
"#
),
indoc!(
r#"
procedure .0 ():
let .2 = 0i64;
let .5 = 1i64;
let .6 = lowlevel Eq .5 .2;
if .6 then
let .3 = 12i64;
ret .3;
else
ret .2;
"#
),
)
}
#[test]
fn list_pass_to_function() {
compiles_to_ir(
indoc!(
r#"
x : List Int
x = [1,2,3]
id : List Int -> List Int
id = \y -> List.set y 0 0
id x
"#
),
indoc!(
r#"
procedure .2 (.3):
let .6 = 0i64;
let .7 = 0i64;
let .5 = CallByName List.4 .3 .6 .7;
ret .5;
procedure List.4 (#Attr.2, #Attr.3, #Attr.4):
let .11 = lowlevel ListLen #Attr.2;
let .9 = lowlevel NumLt #Attr.3 .11;
if .9 then
let .10 = lowlevel ListSet #Attr.2 #Attr.3 #Attr.4;
ret .10;
else
ret #Attr.2;
procedure .0 ():
let .12 = 1i64;
let .13 = 2i64;
let .14 = 3i64;
let .1 = Array [.12, .13, .14];
let .4 = CallByName .2 .1;
ret .4;
"#
),
)
}
#[test]
fn record_optional_field_let_no_use_default() {
compiles_to_ir(
indoc!(
r#"
f = \r ->
{ x ? 10, y } = r
x + y
f { x: 4, y: 9 }
"#
),
indoc!(
r#"
procedure .1 (.2):
let .3 = Index 0 .2;
let .4 = Index 1 .2;
let .7 = CallByName Num.14 .3 .4;
ret .7;
procedure Num.14 (#Attr.2, #Attr.3):
let .8 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .8;
procedure .0 ():
let .9 = 4i64;
let .10 = 9i64;
let .6 = Struct {.9, .10};
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
}
#[test]
fn record_optional_field_let_use_default() {
compiles_to_ir(
indoc!(
r#"
f = \r ->
{ x ? 10, y } = r
x + y
f { y: 9 }
"#
),
indoc!(
r#"
procedure .1 (.2):
let .3 = 10i64;
let .4 = Index 1 .2;
let .7 = CallByName Num.14 .3 .4;
ret .7;
procedure Num.14 (#Attr.2, #Attr.3):
let .8 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .8;
procedure .0 ():
let .9 = 9i64;
let .6 = Struct {.9};
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
}
#[test]
fn record_optional_field_function_no_use_default() {
compiles_to_ir(
indoc!(
r#"
f = \{ x ? 10, y } -> x + y
f { x: 4, y: 9 }
"#
),
indoc!(
r#"
procedure .1 (.4):
let .2 = Index 0 .4;
let .3 = Index 1 .4;
let .7 = CallByName Num.14 .2 .3;
ret .7;
procedure Num.14 (#Attr.2, #Attr.3):
let .8 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .8;
procedure .0 ():
let .9 = 4i64;
let .10 = 9i64;
let .6 = Struct {.9, .10};
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
}
#[test]
fn record_optional_field_function_use_default() {
compiles_to_ir(
indoc!(
r#"
f = \{ x ? 10, y } -> x + y
f { y: 9 }
"#
),
indoc!(
r#"
procedure .1 (.4):
let .2 = 10i64;
let .3 = Index 1 .4;
let .7 = CallByName Num.14 .2 .3;
ret .7;
procedure Num.14 (#Attr.2, #Attr.3):
let .8 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .8;
procedure .0 ():
let .9 = 9i64;
let .6 = Struct {.9};
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
}
#[ignore]
#[test]
fn quicksort_help() {
crate::helpers::with_larger_debug_stack(|| {
compiles_to_ir(
indoc!(
r#"
quicksortHelp : List (Num a), Int, Int -> List (Num a)
quicksortHelp = \list, low, high ->
if low < high then
(Pair partitionIndex partitioned) = Pair 0 []
partitioned
|> quicksortHelp low (partitionIndex - 1)
|> quicksortHelp (partitionIndex + 1) high
else
list
quicksortHelp [] 0 0
"#
),
indoc!(
r#"
procedure List.3 (#Attr.2, #Attr.3):
let .38 = lowlevel ListLen #Attr.2;
let .34 = lowlevel NumLt #Attr.3 .38;
if .34 then
let .36 = 1i64;
let .37 = lowlevel ListGetUnsafe #Attr.2 #Attr.3;
let .35 = Ok .36 .37;
ret .35;
else
let .32 = 0i64;
let .33 = Struct {};
let .31 = Err .32 .33;
ret .31;
procedure List.4 (#Attr.2, #Attr.3, #Attr.4):
let .14 = lowlevel ListLen #Attr.2;
let .12 = lowlevel NumLt #Attr.3 .14;
if .12 then
let .13 = lowlevel ListSet #Attr.2 #Attr.3 #Attr.4;
ret .13;
else
ret #Attr.2;
procedure .1 (.2):
let .39 = 0i64;
let .28 = CallByName List.3 .2 .39;
let .30 = 0i64;
let .29 = CallByName List.3 .2 .30;
let .7 = Struct {.28, .29};
joinpoint .25:
let .18 = Array [];
ret .18;
in
let .19 = Index 0 .7;
let .20 = 1i64;
let .21 = Index 0 .19;
let .27 = lowlevel Eq .20 .21;
if .27 then
let .22 = Index 1 .7;
let .23 = 1i64;
let .24 = Index 0 .22;
let .26 = lowlevel Eq .23 .24;
if .26 then
let .17 = Index 0 .7;
let .3 = Index 1 .17;
let .16 = Index 1 .7;
let .4 = Index 1 .16;
let .15 = 0i64;
let .9 = CallByName List.4 .2 .15 .4;
let .10 = 0i64;
let .8 = CallByName List.4 .9 .10 .3;
ret .8;
else
dec .2;
jump .25;
else
dec .2;
jump .25;
procedure .0 ():
let .40 = 1i64;
let .41 = 2i64;
let .6 = Array [.40, .41];
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
})
}
#[test]
fn quicksort_swap() {
crate::helpers::with_larger_debug_stack(|| {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
swap = \list ->
when Pair (List.get list 0) (List.get list 0) is
Pair (Ok atI) (Ok atJ) ->
list
|> List.set 0 atJ
|> List.set 0 atI
_ ->
[]
main =
swap [ 1, 2 ]
"#
),
indoc!(
r#"
procedure .1 (.2):
let .39 = 0i64;
let .28 = CallByName List.3 .2 .39;
let .30 = 0i64;
let .29 = CallByName List.3 .2 .30;
let .7 = Struct {.28, .29};
joinpoint .25:
let .18 = Array [];
ret .18;
in
let .22 = Index 1 .7;
let .23 = 1i64;
let .24 = Index 0 .22;
let .27 = lowlevel Eq .23 .24;
if .27 then
let .19 = Index 0 .7;
let .20 = 1i64;
let .21 = Index 0 .19;
let .26 = lowlevel Eq .20 .21;
if .26 then
let .17 = Index 0 .7;
let .3 = Index 1 .17;
let .16 = Index 1 .7;
let .4 = Index 1 .16;
let .15 = 0i64;
let .9 = CallByName List.4 .2 .15 .4;
let .10 = 0i64;
let .8 = CallByName List.4 .9 .10 .3;
ret .8;
else
dec .2;
jump .25;
else
dec .2;
jump .25;
procedure List.3 (#Attr.2, #Attr.3):
let .38 = lowlevel ListLen #Attr.2;
let .34 = lowlevel NumLt #Attr.3 .38;
if .34 then
let .36 = 1i64;
let .37 = lowlevel ListGetUnsafe #Attr.2 #Attr.3;
let .35 = Ok .36 .37;
ret .35;
else
let .32 = 0i64;
let .33 = Struct {};
let .31 = Err .32 .33;
ret .31;
procedure List.4 (#Attr.2, #Attr.3, #Attr.4):
let .14 = lowlevel ListLen #Attr.2;
let .12 = lowlevel NumLt #Attr.3 .14;
if .12 then
let .13 = lowlevel ListSet #Attr.2 #Attr.3 #Attr.4;
ret .13;
else
ret #Attr.2;
procedure .0 ():
let .40 = 1i64;
let .41 = 2i64;
let .6 = Array [.40, .41];
let .5 = CallByName .1 .6;
ret .5;
"#
),
)
})
}
#[ignore]
#[test]
fn quicksort_partition_help() {
crate::helpers::with_larger_debug_stack(|| {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
partitionHelp : Int, Int, List (Num a), Int, (Num a) -> [ Pair Int (List (Num a)) ]
partitionHelp = \i, j, list, high, pivot ->
if j < high then
when List.get list j is
Ok value ->
if value <= pivot then
partitionHelp (i + 1) (j + 1) (swap (i + 1) j list) high pivot
else
partitionHelp i (j + 1) list high pivot
Err _ ->
Pair i list
else
Pair i list
main =
partitionHelp 0 0 [] 0 0
"#
),
indoc!(
r#"
"#
),
)
})
}
#[ignore]
#[test]
fn quicksort_full() {
crate::helpers::with_larger_debug_stack(|| {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
quicksortHelp : List (Num a), Int, Int -> List (Num a)
quicksortHelp = \list, low, high ->
if low < high then
(Pair partitionIndex partitioned) = partition low high list
partitioned
|> quicksortHelp low (partitionIndex - 1)
|> quicksortHelp (partitionIndex + 1) high
else
list
swap : Int, Int, List a -> List a
swap = \i, j, list ->
when Pair (List.get list i) (List.get list j) is
Pair (Ok atI) (Ok atJ) ->
list
|> List.set i atJ
|> List.set j atI
_ ->
[]
partition : Int, Int, List (Num a) -> [ Pair Int (List (Num a)) ]
partition = \low, high, initialList ->
when List.get initialList high is
Ok pivot ->
when partitionHelp (low - 1) low initialList high pivot is
Pair newI newList ->
Pair (newI + 1) (swap (newI + 1) high newList)
Err _ ->
Pair (low - 1) initialList
partitionHelp : Int, Int, List (Num a), Int, (Num a) -> [ Pair Int (List (Num a)) ]
partitionHelp = \i, j, list, high, pivot ->
if j < high then
when List.get list j is
Ok value ->
if value <= pivot then
partitionHelp (i + 1) (j + 1) (swap (i + 1) j list) high pivot
else
partitionHelp i (j + 1) list high pivot
Err _ ->
Pair i list
else
Pair i list
quicksort = \originalList ->
n = List.len originalList
quicksortHelp originalList 0 (n - 1)
main =
quicksort [1,2,3]
"#
),
indoc!(
r#"
"#
),
)
})
}
#[test]
fn factorial() {
compiles_to_ir(
r#"
factorial = \n, accum ->
when n is
0 ->
accum
_ ->
factorial (n - 1) (n * accum)
factorial 10 1
"#,
indoc!(
r#"
procedure .1 (.2, .3):
joinpoint .7 .2 .3:
let .15 = 0i64;
let .16 = lowlevel Eq .15 .2;
if .16 then
ret .3;
else
let .13 = 1i64;
let .10 = CallByName Num.15 .2 .13;
let .11 = CallByName Num.16 .2 .3;
jump .7 .10 .11;
in
jump .7 .2 .3;
procedure Num.15 (#Attr.2, #Attr.3):
let .14 = lowlevel NumSub #Attr.2 #Attr.3;
ret .14;
procedure Num.16 (#Attr.2, #Attr.3):
let .12 = lowlevel NumMul #Attr.2 #Attr.3;
ret .12;
procedure .0 ():
let .5 = 10i64;
let .6 = 1i64;
let .4 = CallByName .1 .5 .6;
ret .4;
"#
),
)
}
#[test]
#[ignore]
fn is_nil() {
compiles_to_ir(
r#"
ConsList a : [ Cons a (ConsList a), Nil ]
isNil : ConsList a -> Bool
isNil = \list ->
when list is
Nil -> True
Cons _ _ -> False
isNil (Cons 0x2 Nil)
"#,
indoc!(
r#"
procedure .1 (.3):
let .13 = true;
let .15 = Index 0 .3;
let .14 = 1i64;
let .16 = lowlevel Eq .14 .15;
let .12 = lowlevel And .16 .13;
if .12 then
let .10 = true;
ret .10;
else
let .11 = false;
ret .11;
let .6 = 0i64;
let .7 = 2i64;
let .9 = 1i64;
let .8 = Nil .9;
let .5 = Cons .6 .7 .8;
let .4 = CallByName .1 .5;
ret .4;
"#
),
)
}
#[test]
#[ignore]
fn has_none() {
compiles_to_ir(
r#"
Maybe a : [ Just a, Nothing ]
ConsList a : [ Cons a (ConsList a), Nil ]
hasNone : ConsList (Maybe a) -> Bool
hasNone = \list ->
when list is
Nil -> False
Cons Nothing _ -> True
Cons (Just _) xs -> hasNone xs
hasNone (Cons (Just 3) Nil)
"#,
indoc!(
r#"
procedure .1 (.3):
let .13 = true;
let .15 = Index 0 .3;
let .14 = 1i64;
let .16 = lowlevel Eq .14 .15;
let .12 = lowlevel And .16 .13;
if .12 then
let .10 = true;
ret .10;
else
let .11 = false;
ret .11;
let .6 = 0i64;
let .7 = 2i64;
let .9 = 1i64;
let .8 = Nil .9;
let .5 = Cons .6 .7 .8;
let .4 = CallByName .1 .5;
ret .4;
"#
),
)
}
#[test]
fn mk_pair_of() {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
mkPairOf = \x -> Pair x x
main =
mkPairOf [1,2,3]
"#
),
indoc!(
r#"
procedure .1 (.2):
inc .2;
let .5 = Struct {.2, .2};
ret .5;
procedure .0 ():
let .6 = 1i64;
let .7 = 2i64;
let .8 = 3i64;
let .4 = Array [.6, .7, .8];
let .3 = CallByName .1 .4;
ret .3;
"#
),
)
}
#[test]
fn fst() {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
fst = \x, _ -> x
main =
fst [1,2,3] [3,2,1]
"#
),
indoc!(
r#"
procedure .1 (.2, .3):
inc .2;
ret .2;
procedure .0 ():
let .11 = 1i64;
let .12 = 2i64;
let .13 = 3i64;
let .5 = Array [.11, .12, .13];
let .8 = 3i64;
let .9 = 2i64;
let .10 = 1i64;
let .6 = Array [.8, .9, .10];
let .4 = CallByName .1 .5 .6;
dec .6;
dec .5;
ret .4;
"#
),
)
}
#[test]
fn list_cannot_update_inplace() {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
x : List Int
x = [1,2,3]
add : List Int -> List Int
add = \y -> List.set y 0 0
main =
List.len (add x) + List.len x
"#
),
indoc!(
r#"
procedure .1 ():
let .11 = 1i64;
let .12 = 2i64;
let .13 = 3i64;
let .10 = Array [.11, .12, .13];
ret .10;
procedure .2 (.3):
let .17 = 0i64;
let .18 = 0i64;
let .16 = CallByName List.4 .3 .17 .18;
ret .16;
procedure List.4 (#Attr.2, #Attr.3, #Attr.4):
let .22 = lowlevel ListLen #Attr.2;
let .20 = lowlevel NumLt #Attr.3 .22;
if .20 then
let .21 = lowlevel ListSet #Attr.2 #Attr.3 #Attr.4;
ret .21;
else
ret #Attr.2;
procedure List.7 (#Attr.2):
let .9 = lowlevel ListLen #Attr.2;
ret .9;
procedure Num.14 (#Attr.2, #Attr.3):
let .7 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .7;
procedure .0 ():
let .15 = FunctionPointer .1;
let .14 = CallByName .2 .15;
let .5 = CallByName List.7 .14;
dec .14;
let .8 = FunctionPointer .1;
let .6 = CallByName List.7 .8;
dec .8;
let .4 = CallByName Num.14 .5 .6;
ret .4;
"#
),
)
}
#[test]
fn list_get() {
compiles_to_ir(
indoc!(
r#"
wrapper = \{} ->
List.get [1,2,3] 0
wrapper {}
"#
),
indoc!(
r#"
procedure .1 (.2):
let .16 = 1i64;
let .17 = 2i64;
let .18 = 3i64;
let .6 = Array [.16, .17, .18];
let .7 = 0i64;
let .5 = CallByName List.3 .6 .7;
dec .6;
ret .5;
procedure List.3 (#Attr.2, #Attr.3):
let .15 = lowlevel ListLen #Attr.2;
let .11 = lowlevel NumLt #Attr.3 .15;
if .11 then
let .13 = 1i64;
let .14 = lowlevel ListGetUnsafe #Attr.2 #Attr.3;
let .12 = Ok .13 .14;
ret .12;
else
let .9 = 0i64;
let .10 = Struct {};
let .8 = Err .9 .10;
ret .8;
procedure .0 ():
let .4 = Struct {};
let .3 = CallByName .1 .4;
ret .3;
"#
),
)
}
#[test]
fn peano() {
compiles_to_ir(
indoc!(
r#"
Peano : [ S Peano, Z ]
three : Peano
three = S (S (S Z))
three
"#
),
indoc!(
r#"
procedure .0 ():
let .4 = 0i64;
let .6 = 0i64;
let .8 = 0i64;
let .10 = 1i64;
let .9 = Z .10;
let .7 = S .8 .9;
let .5 = S .6 .7;
let .2 = S .4 .5;
ret .2;
"#
),
)
}
#[test]
fn peano1() {
compiles_to_ir(
indoc!(
r#"
Peano : [ S Peano, Z ]
three : Peano
three = S (S (S Z))
when three is
Z -> 0
S _ -> 1
"#
),
indoc!(
r#"
procedure .0 ():
let .8 = 0i64;
let .10 = 0i64;
let .12 = 0i64;
let .14 = 1i64;
let .13 = Z .14;
let .11 = S .12 .13;
let .9 = S .10 .11;
let .2 = S .8 .9;
let .5 = 1i64;
let .6 = Index 0 .2;
dec .2;
let .7 = lowlevel Eq .5 .6;
if .7 then
let .3 = 0i64;
ret .3;
else
let .4 = 1i64;
ret .4;
"#
),
)
}
#[test]
fn peano2() {
compiles_to_ir(
indoc!(
r#"
Peano : [ S Peano, Z ]
three : Peano
three = S (S (S Z))
when three is
S (S _) -> 1
S (_) -> 0
Z -> 0
"#
),
indoc!(
r#"
procedure .0 ():
let .14 = 0i64;
let .16 = 0i64;
let .18 = 0i64;
let .20 = 1i64;
let .19 = Z .20;
let .17 = S .18 .19;
let .15 = S .16 .17;
let .2 = S .14 .15;
let .11 = 0i64;
let .12 = Index 0 .2;
let .13 = lowlevel Eq .11 .12;
if .13 then
let .7 = Index 1 .2;
inc .7;
let .8 = 0i64;
let .9 = Index 0 .7;
dec .7;
let .10 = lowlevel Eq .8 .9;
if .10 then
let .4 = Index 1 .2;
dec .2;
let .3 = 1i64;
ret .3;
else
dec .2;
let .5 = 0i64;
ret .5;
else
dec .2;
let .6 = 0i64;
ret .6;
"#
),
)
}
#[test]
fn optional_when() {
compiles_to_ir(
indoc!(
r#"
f = \r ->
when r is
{ x: Blue, y ? 3 } -> y
{ x: Red, y ? 5 } -> y
a = f { x: Blue, y: 7 }
b = f { x: Blue }
c = f { x: Red, y: 11 }
d = f { x: Red }
a * b * c * d
"#
),
indoc!(
r#"
procedure .1 (.6):
let .18 = Index 0 .6;
let .19 = false;
let .20 = lowlevel Eq .19 .18;
if .20 then
let .8 = Index 1 .6;
ret .8;
else
let .10 = Index 1 .6;
ret .10;
procedure .1 (.6):
let .29 = Index 0 .6;
let .30 = false;
let .31 = lowlevel Eq .30 .29;
if .31 then
let .8 = 3i64;
ret .8;
else
let .10 = 5i64;
ret .10;
procedure Num.16 (#Attr.2, #Attr.3):
let .13 = lowlevel NumMul #Attr.2 #Attr.3;
ret .13;
procedure .0 ():
let .34 = true;
let .33 = Struct {.34};
let .5 = CallByName .1 .33;
let .32 = false;
let .26 = Struct {.32};
let .3 = CallByName .1 .26;
let .24 = true;
let .25 = 11i64;
let .23 = Struct {.24, .25};
let .4 = CallByName .1 .23;
let .21 = false;
let .22 = 7i64;
let .15 = Struct {.21, .22};
let .2 = CallByName .1 .15;
let .14 = CallByName Num.16 .2 .3;
let .12 = CallByName Num.16 .14 .4;
let .11 = CallByName Num.16 .12 .5;
ret .11;
"#
),
)
}
#[test]
fn nested_pattern_match() {
compiles_to_ir(
indoc!(
r#"
Maybe a : [ Nothing, Just a ]
x : Maybe (Maybe Int)
x = Just (Just 41)
when x is
Just (Just v) -> v + 0x1
_ -> 0x1
"#
),
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .6 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .6;
procedure .0 ():
let .17 = 0i64;
let .19 = 0i64;
let .20 = 41i64;
let .18 = Just .19 .20;
let .2 = Just .17 .18;
joinpoint .14:
let .8 = 1i64;
ret .8;
in
let .12 = 0i64;
let .13 = Index 0 .2;
let .16 = lowlevel Eq .12 .13;
if .16 then
let .9 = Index 1 .2;
let .10 = 0i64;
let .11 = Index 0 .9;
let .15 = lowlevel Eq .10 .11;
if .15 then
let .7 = Index 1 .2;
let .3 = Index 1 .7;
let .5 = 1i64;
let .4 = CallByName Num.14 .3 .5;
ret .4;
else
jump .14;
else
jump .14;
"#
),
)
}
#[test]
#[ignore]
fn linked_list_length_twice() {
compiles_to_ir(
indoc!(
r#"
LinkedList a : [ Nil, Cons a (LinkedList a) ]
nil : LinkedList Int
nil = Nil
length : LinkedList a -> Int
length = \list ->
when list is
Nil -> 0
Cons _ rest -> 1 + length rest
length nil + length nil
"#
),
indoc!(
r#"
procedure Num.14 (#Attr.2, #Attr.3):
let .9 = lowlevel NumAdd #Attr.2 #Attr.3;
ret .9;
procedure .3 (.4):
let .15 = true;
let .16 = 1i64;
let .17 = Index 0 .4;
let .18 = lowlevel Eq .16 .17;
let .14 = lowlevel And .18 .15;
if .14 then
dec .4;
let .10 = 0i64;
ret .10;
else
let .5 = Index 2 .4;
dec .4;
let .12 = 1i64;
let .13 = CallByName .3 .5;
let .11 = CallByName Num.14 .12 .13;
ret .11;
procedure .0 ():
let .20 = 1i64;
let .2 = Nil .20;
let .7 = CallByName .3 .2;
let .8 = CallByName .3 .2;
let .6 = CallByName Num.14 .7 .8;
ret .6;
"#
),
)
}
#[test]
fn rigids() {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
swap : Int, Int, List a -> List a
swap = \i, j, list ->
when Pair (List.get list i) (List.get list j) is
Pair (Ok atI) (Ok atJ) ->
foo = atJ
list
|> List.set i foo
|> List.set j atI
_ ->
[]
main =
swap 0 0 [0x1]
"#
),
indoc!(
r#"
procedure .1 (.2, .3, .4):
let .31 = CallByName List.3 .4 .2;
let .32 = CallByName List.3 .4 .3;
let .12 = Struct {.31, .32};
joinpoint .28:
let .21 = Array [];
ret .21;
in
let .25 = Index 1 .12;
let .26 = 1i64;
let .27 = Index 0 .25;
let .30 = lowlevel Eq .26 .27;
if .30 then
let .22 = Index 0 .12;
let .23 = 1i64;
let .24 = Index 0 .22;
let .29 = lowlevel Eq .23 .24;
if .29 then
let .20 = Index 0 .12;
let .5 = Index 1 .20;
let .19 = Index 1 .12;
let .6 = Index 1 .19;
let .14 = CallByName List.4 .4 .2 .6;
let .13 = CallByName List.4 .14 .3 .5;
ret .13;
else
dec .4;
jump .28;
else
dec .4;
jump .28;
procedure List.3 (#Attr.2, #Attr.3):
let .40 = lowlevel ListLen #Attr.2;
let .36 = lowlevel NumLt #Attr.3 .40;
if .36 then
let .38 = 1i64;
let .39 = lowlevel ListGetUnsafe #Attr.2 #Attr.3;
let .37 = Ok .38 .39;
ret .37;
else
let .34 = 0i64;
let .35 = Struct {};
let .33 = Err .34 .35;
ret .33;
procedure List.4 (#Attr.2, #Attr.3, #Attr.4):
let .18 = lowlevel ListLen #Attr.2;
let .16 = lowlevel NumLt #Attr.3 .18;
if .16 then
let .17 = lowlevel ListSet #Attr.2 #Attr.3 #Attr.4;
ret .17;
else
ret #Attr.2;
procedure .0 ():
let .9 = 0i64;
let .10 = 0i64;
let .41 = 1i64;
let .11 = Array [.41];
let .8 = CallByName .1 .9 .10 .11;
ret .8;
"#
),
)
}
#[test]
fn let_x_in_x() {
compiles_to_ir(
indoc!(
r#"
x = 5
answer =
1337
unused =
nested = 17
nested
answer
"#
),
indoc!(
r#"
procedure .0 ():
let .1 = 5i64;
let .4 = 17i64;
let .2 = 1337i64;
ret .2;
"#
),
)
}
#[test]
fn let_x_in_x_indirect() {
compiles_to_ir(
indoc!(
r#"
x = 5
answer =
1337
unused =
nested = 17
i = 1
nested
{ answer, unused }.answer
"#
),
indoc!(
r#"
procedure .0 ():
let .1 = 5i64;
let .4 = 17i64;
let .5 = 1i64;
let .2 = 1337i64;
let .7 = Struct {.2, .4};
let .6 = Index 0 .7;
ret .6;
"#
),
)
}
#[test]
fn nested_closure() {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
foo = \{} ->
x = 42
f = \{} -> x
f
main =
f = foo {}
f {}
"#
),
indoc!(
r#"
procedure .1 (.5):
let .2 = 42i64;
let .13 = FunctionPointer .3;
let .3 = Struct {.13, .2};
ret .3;
procedure .3 (.11, #Attr.12):
let .2 = Index 0 #Attr.12;
ret .2;
procedure .0 ():
let .10 = Struct {};
let .4 = CallByName .1 .10;
let .7 = Struct {};
let .8 = Index 1 .4;
let .9 = Index 0 .4;
let .6 = CallByPointer .9 .7 .8;
ret .6;
"#
),
)
}
#[test]
fn closure_in_list() {
compiles_to_ir(
indoc!(
r#"
app "test" provides [ main ] to "./platform"
foo = \{} ->
x = 41
f = \{} -> x
[ f ]
main =
items = foo {}
List.len items
"#
),
indoc!(
r#"
procedure .1 (.5):
let .2 = 41i64;
let .12 = FunctionPointer .3;
let .11 = Struct {.12, .2};
let .10 = Array [.11];
ret .10;
procedure .3 (.9, #Attr.12):
let .2 = Index 0 #Attr.12;
ret .2;
procedure List.7 (#Attr.2):
let .7 = lowlevel ListLen #Attr.2;
ret .7;
procedure .0 ():
let .8 = Struct {};
let .4 = CallByName .1 .8;
let .6 = CallByName List.7 .4;
dec .4;
ret .6;
"#
),
)
}
}