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Merge remote-tracking branch 'origin/trunk' into box-all-the-things

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Folkert 2022-03-10 18:01:09 +01:00
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11 changed files with 191 additions and 131 deletions
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5
compiler/gen_llvm/src/llvm/build.rs
View file

@ -24,7 +24,7 @@ use crate::llvm::build_str::{
};
use crate::llvm::compare::{generic_eq, generic_neq};
use crate::llvm::convert::{
self, basic_type_from_builtin, basic_type_from_layout, basic_type_from_layout_1,
self, argument_type_from_layout, basic_type_from_builtin, basic_type_from_layout,
block_of_memory_slices,
};
use crate::llvm::refcounting::{
@ -2605,6 +2605,7 @@ pub fn build_exp_stmt<'a, 'ctx, 'env>(
let align_bytes = layout.alignment_bytes(env.target_info);
if align_bytes > 0 {
debug_assert!(value.is_pointer_value(), "{:?}\n{:?}", value, layout);
let value_ptr = value.into_pointer_value();
// We can only do this if the function itself writes data into this
@ -4249,7 +4250,7 @@ fn build_proc_header<'a, 'ctx, 'env>(
let mut arg_basic_types = Vec::with_capacity_in(args.len(), arena);
for (layout, _) in args.iter() {
let arg_type = basic_type_from_layout_1(env, layout);
let arg_type = argument_type_from_layout(env, layout);
arg_basic_types.push(arg_type);
}

24
compiler/gen_llvm/src/llvm/build_hash.rs
View file

@ -4,7 +4,7 @@ use crate::llvm::build::tag_pointer_clear_tag_id;
use crate::llvm::build::Env;
use crate::llvm::build::{get_tag_id, FAST_CALL_CONV, TAG_DATA_INDEX};
use crate::llvm::build_str;
use crate::llvm::convert::{basic_type_from_layout, basic_type_from_layout_1};
use crate::llvm::convert::basic_type_from_layout;
use bumpalo::collections::Vec;
use inkwell::values::{
BasicValue, BasicValueEnum, FunctionValue, IntValue, PointerValue, StructValue,
@ -13,6 +13,8 @@ use roc_builtins::bitcode;
use roc_module::symbol::Symbol;
use roc_mono::layout::{Builtin, Layout, LayoutIds, UnionLayout};
use super::convert::argument_type_from_union_layout;
#[derive(Clone, Debug)]
enum WhenRecursive<'a> {
Unreachable,
@ -68,9 +70,7 @@ fn build_hash_layout<'a, 'ctx, 'env>(
when_recursive,
),
Layout::Union(union_layout) => {
build_hash_tag(env, layout_ids, layout, union_layout, seed, val)
}
Layout::Union(union_layout) => build_hash_tag(env, layout_ids, union_layout, seed, val),
Layout::Boxed(_inner_layout) => {
// build_hash_box(env, layout_ids, layout, inner_layout, seed, val)
@ -92,14 +92,7 @@ fn build_hash_layout<'a, 'ctx, 'env>(
.build_bitcast(val, bt, "i64_to_opaque")
.into_pointer_value();
build_hash_tag(
env,
layout_ids,
&layout,
&union_layout,
seed,
field_cast.into(),
)
build_hash_tag(env, layout_ids, &union_layout, seed, field_cast.into())
}
},
}
@ -313,7 +306,6 @@ fn hash_struct<'a, 'ctx, 'env>(
fn build_hash_tag<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
layout: &Layout<'a>,
union_layout: &UnionLayout<'a>,
seed: IntValue<'ctx>,
value: BasicValueEnum<'ctx>,
@ -323,7 +315,7 @@ fn build_hash_tag<'a, 'ctx, 'env>(
let symbol = Symbol::GENERIC_HASH;
let fn_name = layout_ids
.get(symbol, layout)
.get(symbol, &Layout::Union(*union_layout))
.to_symbol_string(symbol, &env.interns);
let function = match env.module.get_function(fn_name.as_str()) {
@ -331,7 +323,7 @@ fn build_hash_tag<'a, 'ctx, 'env>(
None => {
let seed_type = env.context.i64_type();
let arg_type = basic_type_from_layout_1(env, layout);
let arg_type = argument_type_from_union_layout(env, union_layout);
let function_value = crate::llvm::refcounting::build_header_help(
env,
@ -810,7 +802,7 @@ fn hash_ptr_to_struct<'a, 'ctx, 'env>(
) -> IntValue<'ctx> {
use inkwell::types::BasicType;
let wrapper_type = basic_type_from_layout_1(env, &Layout::Union(*union_layout));
let wrapper_type = argument_type_from_union_layout(env, union_layout);
// cast the opaque pointer to a pointer of the correct shape
let wrapper_ptr = env

25
compiler/gen_llvm/src/llvm/build_list.rs
View file

@ -43,7 +43,7 @@ fn pass_element_as_opaque<'a, 'ctx, 'env>(
env.builder.build_bitcast(
element_ptr,
env.context.i8_type().ptr_type(AddressSpace::Generic),
"to_opaque",
"pass_element_as_opaque",
)
}
@ -75,7 +75,7 @@ pub fn pass_as_opaque<'a, 'ctx, 'env>(
env.builder.build_bitcast(
ptr,
env.context.i8_type().ptr_type(AddressSpace::Generic),
"to_opaque",
"pass_as_opaque",
)
}
@ -407,10 +407,19 @@ pub fn list_walk_generic<'a, 'ctx, 'env>(
ListWalk::WalkBackwardsUntil => todo!(),
};
let default_ptr = builder.build_alloca(default.get_type(), "default_ptr");
env.builder.build_store(default_ptr, default);
let default_ptr = if default_layout.is_passed_by_reference() {
debug_assert!(default.is_pointer_value());
default.into_pointer_value()
} else {
let default_ptr = builder.build_alloca(default.get_type(), "default_ptr");
env.builder.build_store(default_ptr, default);
default_ptr
};
let result_ptr = env.builder.build_alloca(default.get_type(), "result");
let result_ptr = {
let basic_type = basic_type_from_layout(env, default_layout);
env.builder.build_alloca(basic_type, "result")
};
match variant {
ListWalk::Walk | ListWalk::WalkBackwards => {
@ -467,7 +476,11 @@ pub fn list_walk_generic<'a, 'ctx, 'env>(
}
}
env.builder.build_load(result_ptr, "load_result")
if default_layout.is_passed_by_reference() {
result_ptr.into()
} else {
env.builder.build_load(result_ptr, "load_result")
}
}
/// List.range : Int a, Int a -> List (Int a)

12
compiler/gen_llvm/src/llvm/compare.rs
View file

@ -2,7 +2,7 @@ use crate::llvm::bitcode::call_bitcode_fn;
use crate::llvm::build::{get_tag_id, tag_pointer_clear_tag_id, Env, FAST_CALL_CONV};
use crate::llvm::build_list::{list_len, load_list_ptr};
use crate::llvm::build_str::str_equal;
use crate::llvm::convert::{basic_type_from_layout, basic_type_from_layout_1};
use crate::llvm::convert::basic_type_from_layout;
use bumpalo::collections::Vec;
use inkwell::types::BasicType;
use inkwell::values::{
@ -15,6 +15,7 @@ use roc_module::symbol::Symbol;
use roc_mono::layout::{Builtin, Layout, LayoutIds, UnionLayout};
use super::build::load_roc_value;
use super::convert::argument_type_from_union_layout;
#[derive(Clone, Debug)]
enum WhenRecursive<'a> {
@ -176,7 +177,6 @@ fn build_eq<'a, 'ctx, 'env>(
env,
layout_ids,
when_recursive,
lhs_layout,
union_layout,
lhs_val,
rhs_val,
@ -217,7 +217,6 @@ fn build_eq<'a, 'ctx, 'env>(
env,
layout_ids,
WhenRecursive::Loop(union_layout),
&layout,
&union_layout,
field1_cast.into(),
field2_cast.into(),
@ -361,7 +360,6 @@ fn build_neq<'a, 'ctx, 'env>(
env,
layout_ids,
when_recursive,
lhs_layout,
union_layout,
lhs_val,
rhs_val,
@ -792,7 +790,6 @@ fn build_tag_eq<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
when_recursive: WhenRecursive<'a>,
tag_layout: &Layout<'a>,
union_layout: &UnionLayout<'a>,
tag1: BasicValueEnum<'ctx>,
tag2: BasicValueEnum<'ctx>,
@ -800,15 +797,16 @@ fn build_tag_eq<'a, 'ctx, 'env>(
let block = env.builder.get_insert_block().expect("to be in a function");
let di_location = env.builder.get_current_debug_location().unwrap();
let tag_layout = Layout::Union(*union_layout);
let symbol = Symbol::GENERIC_EQ;
let fn_name = layout_ids
.get(symbol, tag_layout)
.get(symbol, &tag_layout)
.to_symbol_string(symbol, &env.interns);
let function = match env.module.get_function(fn_name.as_str()) {
Some(function_value) => function_value,
None => {
let arg_type = basic_type_from_layout_1(env, tag_layout);
let arg_type = argument_type_from_union_layout(env, union_layout);
let function_value = crate::llvm::refcounting::build_header_help(
env,

174
compiler/gen_llvm/src/llvm/convert.rs
View file

@ -1,3 +1,4 @@
use crate::llvm::build::Env;
use bumpalo::collections::Vec;
use inkwell::context::Context;
use inkwell::types::{BasicType, BasicTypeEnum, FloatType, IntType, StructType};
@ -7,7 +8,7 @@ use roc_mono::layout::{Builtin, Layout, UnionLayout};
use roc_target::TargetInfo;
fn basic_type_from_record<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
env: &Env<'a, 'ctx, 'env>,
fields: &[Layout<'_>],
) -> BasicTypeEnum<'ctx> {
let mut field_types = Vec::with_capacity_in(fields.len(), env.arena);
@ -22,7 +23,7 @@ fn basic_type_from_record<'a, 'ctx, 'env>(
}
pub fn basic_type_from_layout<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
env: &Env<'a, 'ctx, 'env>,
layout: &Layout<'_>,
) -> BasicTypeEnum<'ctx> {
use Layout::*;
@ -38,69 +39,32 @@ pub fn basic_type_from_layout<'a, 'ctx, 'env>(
inner_type.ptr_type(AddressSpace::Generic).into()
}
Union(union_layout) => {
use UnionLayout::*;
let tag_id_type = basic_type_from_layout(env, &union_layout.tag_id_layout());
match union_layout {
NonRecursive(tags) => {
let data = block_of_memory_slices(env.context, tags, env.target_info);
env.context.struct_type(&[data, tag_id_type], false).into()
}
Recursive(tags)
| NullableWrapped {
other_tags: tags, ..
} => {
let data = block_of_memory_slices(env.context, tags, env.target_info);
if union_layout.stores_tag_id_as_data(env.target_info) {
env.context
.struct_type(&[data, tag_id_type], false)
.ptr_type(AddressSpace::Generic)
.into()
} else {
data.ptr_type(AddressSpace::Generic).into()
}
}
NullableUnwrapped { other_fields, .. } => {
let block =
block_of_memory_slices(env.context, &[other_fields], env.target_info);
block.ptr_type(AddressSpace::Generic).into()
}
NonNullableUnwrapped(fields) => {
let block = block_of_memory_slices(env.context, &[fields], env.target_info);
block.ptr_type(AddressSpace::Generic).into()
}
}
}
RecursivePointer => {
// TODO make this dynamic
env.context
.i64_type()
.ptr_type(AddressSpace::Generic)
.as_basic_type_enum()
}
Union(union_layout) => basic_type_from_union_layout(env, union_layout),
RecursivePointer => env
.context
.i64_type()
.ptr_type(AddressSpace::Generic)
.as_basic_type_enum(),
Builtin(builtin) => basic_type_from_builtin(env, builtin),
}
}
pub fn basic_type_from_layout_1<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
layout: &Layout<'_>,
pub fn basic_type_from_union_layout<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
union_layout: &UnionLayout<'_>,
) -> BasicTypeEnum<'ctx> {
use Layout::*;
use UnionLayout::*;
match layout {
Struct {
field_layouts: sorted_fields,
..
} => basic_type_from_record(env, sorted_fields),
LambdaSet(lambda_set) => {
basic_type_from_layout_1(env, &lambda_set.runtime_representation())
let tag_id_type = basic_type_from_layout(env, &union_layout.tag_id_layout());
match union_layout {
NonRecursive(tags) => {
let data = block_of_memory_slices(env.context, tags, env.target_info);
env.context.struct_type(&[data, tag_id_type], false).into()
}
<<<<<<< HEAD
Boxed(inner_layout) => {
let inner_type = basic_type_from_layout_1(env, inner_layout);
@ -142,22 +106,36 @@ pub fn basic_type_from_layout_1<'a, 'ctx, 'env>(
let block = block_of_memory_slices(env.context, &[fields], env.target_info);
block.ptr_type(AddressSpace::Generic).into()
}
=======
Recursive(tags)
| NullableWrapped {
other_tags: tags, ..
} => {
let data = block_of_memory_slices(env.context, tags, env.target_info);
if union_layout.stores_tag_id_as_data(env.target_info) {
env.context
.struct_type(&[data, tag_id_type], false)
.ptr_type(AddressSpace::Generic)
.into()
} else {
data.ptr_type(AddressSpace::Generic).into()
>>>>>>> origin/trunk
}
}
RecursivePointer => {
// TODO make this dynamic
env.context
.i64_type()
.ptr_type(AddressSpace::Generic)
.as_basic_type_enum()
NullableUnwrapped { other_fields, .. } => {
let block = block_of_memory_slices(env.context, &[other_fields], env.target_info);
block.ptr_type(AddressSpace::Generic).into()
}
NonNullableUnwrapped(fields) => {
let block = block_of_memory_slices(env.context, &[fields], env.target_info);
block.ptr_type(AddressSpace::Generic).into()
}
Builtin(builtin) => basic_type_from_builtin(env, builtin),
}
}
pub fn basic_type_from_builtin<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
env: &Env<'a, 'ctx, 'env>,
builtin: &Builtin<'_>,
) -> BasicTypeEnum<'ctx> {
use Builtin::*;
@ -176,8 +154,48 @@ pub fn basic_type_from_builtin<'a, 'ctx, 'env>(
}
}
/// Turn a layout into a BasicType that we use in LLVM function arguments.
///
/// This makes it possible to pass values as something different from how they are typically stored.
/// Current differences
///
/// - tag unions are passed by-reference. That means that
/// * `f : [ Some I64, None ] -> I64` is typed `{ { i64, i8 }, i64 }* -> i64`
/// * `f : { x : [ Some I64, None ] } -> I64 is typed `{ { { i64, i8 }, i64 } } -> i64`
///
/// Ideas exist to have (bigger than 2 register) records also be passed by-reference, but this
/// is not currently implemented
pub fn argument_type_from_layout<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout: &Layout<'_>,
) -> BasicTypeEnum<'ctx> {
use Layout::*;
match layout {
LambdaSet(lambda_set) => {
argument_type_from_layout(env, &lambda_set.runtime_representation())
}
Union(union_layout) => argument_type_from_union_layout(env, union_layout),
other => basic_type_from_layout(env, other),
}
}
/// Non-recursive tag unions are stored on the stack, but passed by-reference
pub fn argument_type_from_union_layout<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
union_layout: &UnionLayout<'_>,
) -> BasicTypeEnum<'ctx> {
let heap_type = basic_type_from_union_layout(env, union_layout);
if let UnionLayout::NonRecursive(_) = union_layout {
heap_type.ptr_type(AddressSpace::Generic).into()
} else {
heap_type
}
}
pub fn int_type_from_int_width<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
env: &Env<'a, 'ctx, 'env>,
int_width: IntWidth,
) -> IntType<'ctx> {
use IntWidth::*;
@ -192,7 +210,7 @@ pub fn int_type_from_int_width<'a, 'ctx, 'env>(
}
pub fn float_type_from_float_width<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
env: &Env<'a, 'ctx, 'env>,
float_width: FloatWidth,
) -> FloatType<'ctx> {
use FloatWidth::*;
@ -277,33 +295,23 @@ pub fn str_list_int(ctx: &Context, target_info: TargetInfo) -> IntType<'_> {
}
}
pub fn zig_dict_type<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
) -> StructType<'ctx> {
pub fn zig_dict_type<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>) -> StructType<'ctx> {
env.module.get_struct_type("dict.RocDict").unwrap()
}
pub fn zig_list_type<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
) -> StructType<'ctx> {
pub fn zig_list_type<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>) -> StructType<'ctx> {
env.module.get_struct_type("list.RocList").unwrap()
}
pub fn zig_str_type<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
) -> StructType<'ctx> {
pub fn zig_str_type<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>) -> StructType<'ctx> {
env.module.get_struct_type("str.RocStr").unwrap()
}
pub fn zig_has_tag_id_type<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
) -> StructType<'ctx> {
pub fn zig_has_tag_id_type<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>) -> StructType<'ctx> {
env.module.get_struct_type("list.HasTagId").unwrap()
}
pub fn zig_with_overflow_roc_dec<'a, 'ctx, 'env>(
env: &crate::llvm::build::Env<'a, 'ctx, 'env>,
) -> StructType<'ctx> {
pub fn zig_with_overflow_roc_dec<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>) -> StructType<'ctx> {
env.module
.get_struct_type("utils.WithOverflow(dec.RocDec)")
.unwrap()

9
compiler/gen_llvm/src/llvm/refcounting.rs
View file

@ -5,7 +5,7 @@ use crate::llvm::build::{
FAST_CALL_CONV, TAG_DATA_INDEX, TAG_ID_INDEX,
};
use crate::llvm::build_list::{incrementing_elem_loop, list_len, load_list};
use crate::llvm::convert::{basic_type_from_layout, basic_type_from_layout_1};
use crate::llvm::convert::basic_type_from_layout;
use bumpalo::collections::Vec;
use inkwell::basic_block::BasicBlock;
use inkwell::context::Context;
@ -20,6 +20,8 @@ use roc_module::symbol::Symbol;
use roc_mono::layout::{Builtin, Layout, LayoutIds, UnionLayout};
use roc_target::TargetInfo;
use super::convert::argument_type_from_union_layout;
/// "Infinite" reference count, for static values
/// Ref counts are encoded as negative numbers where isize::MIN represents 1
pub const REFCOUNT_MAX: usize = 0_usize;
@ -1694,7 +1696,8 @@ fn modify_refcount_union<'a, 'ctx, 'env>(
when_recursive: &WhenRecursive<'a>,
fields: &'a [&'a [Layout<'a>]],
) -> FunctionValue<'ctx> {
let layout = Layout::Union(UnionLayout::NonRecursive(fields));
let union_layout = UnionLayout::NonRecursive(fields);
let layout = Layout::Union(union_layout);
let block = env.builder.get_insert_block().expect("to be in a function");
let di_location = env.builder.get_current_debug_location().unwrap();
@ -1711,7 +1714,7 @@ fn modify_refcount_union<'a, 'ctx, 'env>(
let function = match env.module.get_function(fn_name.as_str()) {
Some(function_value) => function_value,
None => {
let basic_type = basic_type_from_layout_1(env, &layout);
let basic_type = argument_type_from_union_layout(env, &union_layout);
let function_value = build_header(env, basic_type, mode, &fn_name);
modify_refcount_union_help(