roc/crates/compiler/gen_llvm/src/llvm/build_dict.rs

844 lines
27 KiB
Rust

use crate::debug_info_init;
use crate::llvm::bitcode::{
build_dec_wrapper, build_eq_wrapper, build_inc_wrapper, call_bitcode_fn, call_void_bitcode_fn,
};
use crate::llvm::build::{
complex_bitcast, load_roc_value, load_symbol, load_symbol_and_layout, Env, RocFunctionCall,
Scope,
};
use crate::llvm::build_list::{layout_width, pass_as_opaque};
use crate::llvm::convert::{basic_type_from_layout, zig_dict_type};
use crate::llvm::refcounting::Mode;
use inkwell::attributes::{Attribute, AttributeLoc};
use inkwell::builder::Builder;
use inkwell::context::Context;
use inkwell::types::BasicType;
use inkwell::values::{BasicValue, BasicValueEnum, FunctionValue, IntValue, StructValue};
use inkwell::AddressSpace;
use roc_builtins::bitcode;
use roc_module::symbol::Symbol;
use roc_mono::layout::{Builtin, Layout, LayoutIds};
use roc_target::TargetInfo;
use super::bitcode::call_list_bitcode_fn;
use super::build::store_roc_value;
use super::build_list::list_to_c_abi;
#[repr(transparent)]
struct Alignment(u8);
impl Alignment {
fn from_key_value_layout(key: &Layout, value: &Layout, target_info: TargetInfo) -> Alignment {
let key_align = key.alignment_bytes(target_info);
let value_align = value.alignment_bytes(target_info);
let mut bits = key_align.max(value_align) as u8;
// alignment must be a power of 2
debug_assert!(bits.is_power_of_two());
let value_before_key_flag = 0b1000_0000;
if key_align < value_align {
bits |= value_before_key_flag;
}
Alignment(bits)
}
fn as_int_value<'ctx>(&self, context: &'ctx Context) -> IntValue<'ctx> {
context.i8_type().const_int(self.0 as u64, false)
}
}
pub fn dict_len<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
scope: &Scope<'a, 'ctx>,
dict_symbol: Symbol,
) -> BasicValueEnum<'ctx> {
let (_, dict_layout) = load_symbol_and_layout(scope, &dict_symbol);
match dict_layout {
Layout::Builtin(Builtin::Dict(_, _)) =>
_ => unreachable!("Invalid layout given to Dict.len : {:?}", dict_layout),
}
}
pub fn dict_empty<'a, 'ctx, 'env>(env: &Env<'a, 'ctx, 'env>) -> BasicValueEnum<'ctx> {
// get the RocDict type defined by zig
let roc_dict_type = env.module.get_struct_type("dict.RocDict").unwrap();
// we must give a pointer for the bitcode function to write the result into
let result_alloc = env.builder.build_alloca(roc_dict_type, "dict_empty");
call_void_bitcode_fn(env, &[result_alloc.into()], bitcode::DICT_EMPTY);
env.builder.build_load(result_alloc, "load_result")
}
#[allow(clippy::too_many_arguments)]
pub fn dict_insert<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value: BasicValueEnum<'ctx>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let u8_ptr = env.context.i8_type().ptr_type(AddressSpace::Generic);
let key_type = basic_type_from_layout(env, key_layout);
let value_type = basic_type_from_layout(env, value_layout);
let key_ptr = builder.build_alloca(key_type, "key_ptr");
let value_ptr = builder.build_alloca(value_type, "value_ptr");
store_roc_value(env, *key_layout, key_ptr, key);
store_roc_value(env, *value_layout, value_ptr, value);
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let result_ptr = builder.build_alloca(zig_dict_type(env), "result_ptr");
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
let dec_key_fn = build_dec_wrapper(env, layout_ids, key_layout);
let dec_value_fn = build_dec_wrapper(env, layout_ids, value_layout);
call_void_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
env.builder.build_bitcast(key_ptr, u8_ptr, "to_u8_ptr"),
key_width.into(),
env.builder.build_bitcast(value_ptr, u8_ptr, "to_u8_ptr"),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
dec_key_fn.as_global_value().as_pointer_value().into(),
dec_value_fn.as_global_value().as_pointer_value().into(),
result_ptr.into(),
],
bitcode::DICT_INSERT,
);
env.builder.build_load(result_ptr, "load_result")
}
#[allow(clippy::too_many_arguments)]
pub fn dict_remove<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let u8_ptr = env.context.i8_type().ptr_type(AddressSpace::Generic);
let key_ptr = builder.build_alloca(key.get_type(), "key_ptr");
env.builder.build_store(key_ptr, key);
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let result_ptr = builder.build_alloca(zig_dict_type(env), "result_ptr");
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
let dec_key_fn = build_dec_wrapper(env, layout_ids, key_layout);
let dec_value_fn = build_dec_wrapper(env, layout_ids, value_layout);
call_void_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
env.builder.build_bitcast(key_ptr, u8_ptr, "to_u8_ptr"),
key_width.into(),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
dec_key_fn.as_global_value().as_pointer_value().into(),
dec_value_fn.as_global_value().as_pointer_value().into(),
result_ptr.into(),
],
bitcode::DICT_REMOVE,
);
env.builder.build_load(result_ptr, "load_result")
}
#[allow(clippy::too_many_arguments)]
pub fn dict_contains<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let u8_ptr = env.context.i8_type().ptr_type(AddressSpace::Generic);
let key_ptr = builder.build_alloca(key.get_type(), "key_ptr");
env.builder.build_store(key_ptr, key);
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
call_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
env.builder.build_bitcast(key_ptr, u8_ptr, "to_u8_ptr"),
key_width.into(),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
],
bitcode::DICT_CONTAINS,
)
}
#[allow(clippy::too_many_arguments)]
pub fn dict_get<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let u8_ptr = env.context.i8_type().ptr_type(AddressSpace::Generic);
let key_ptr = builder.build_alloca(key.get_type(), "key_ptr");
env.builder.build_store(key_ptr, key);
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let value_bt = basic_type_from_layout(env, value_layout);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
let inc_value_fn = build_inc_wrapper(env, layout_ids, value_layout);
// { flag: bool, value: *const u8 }
let result = call_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
env.builder.build_bitcast(key_ptr, u8_ptr, "to_u8_ptr"),
key_width.into(),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
inc_value_fn.as_global_value().as_pointer_value().into(),
],
bitcode::DICT_GET,
)
.into_struct_value();
let flag_u8 = env
.builder
.build_extract_value(result, 1, "get_flag")
.unwrap()
.into_int_value();
let flag = env
.builder
.build_int_cast(flag_u8, env.context.bool_type(), "to_bool");
let value_u8_ptr_int = env
.builder
.build_extract_value(result, 0, "get_value_ptr_int")
.unwrap()
.into_int_value();
let ptr_type = value_bt.ptr_type(AddressSpace::Generic);
let value_u8_ptr = env
.builder
.build_int_to_ptr(value_u8_ptr_int, ptr_type, "opaque_value_ptr");
let start_block = env.builder.get_insert_block().unwrap();
let parent = start_block.get_parent().unwrap();
let if_not_null = env.context.append_basic_block(parent, "if_not_null");
let done_block = env.context.append_basic_block(parent, "done");
let default = value_bt.const_zero();
env.builder
.build_conditional_branch(flag, if_not_null, done_block);
env.builder.position_at_end(if_not_null);
let value_ptr = env
.builder
.build_bitcast(
value_u8_ptr,
value_bt.ptr_type(AddressSpace::Generic),
"from_opaque",
)
.into_pointer_value();
let loaded = env.builder.build_load(value_ptr, "load_value");
env.builder.build_unconditional_branch(done_block);
env.builder.position_at_end(done_block);
let result_phi = env.builder.build_phi(value_bt, "result");
result_phi.add_incoming(&[(&default, start_block), (&loaded, if_not_null)]);
let value = result_phi.as_basic_value();
let result = env
.context
.struct_type(&[value_bt, env.context.bool_type().into()], false)
.const_zero();
let result = env
.builder
.build_insert_value(result, flag, 1, "insert_flag")
.unwrap();
env.builder
.build_insert_value(result, value, 0, "insert_value")
.unwrap()
.into_struct_value()
.into()
}
#[allow(clippy::too_many_arguments)]
pub fn dict_elements_rc<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
rc_operation: Mode,
) {
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let (key_fn, value_fn) = match rc_operation {
Mode::Inc => (
build_inc_wrapper(env, layout_ids, key_layout),
build_inc_wrapper(env, layout_ids, value_layout),
),
Mode::Dec => (
build_dec_wrapper(env, layout_ids, key_layout),
build_dec_wrapper(env, layout_ids, value_layout),
),
};
call_void_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
key_width.into(),
value_width.into(),
key_fn.as_global_value().as_pointer_value().into(),
value_fn.as_global_value().as_pointer_value().into(),
],
bitcode::DICT_ELEMENTS_RC,
);
}
#[allow(clippy::too_many_arguments)]
pub fn dict_keys<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let inc_key_fn = build_inc_wrapper(env, layout_ids, key_layout);
call_list_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
key_width.into(),
value_width.into(),
inc_key_fn.as_global_value().as_pointer_value().into(),
],
bitcode::DICT_KEYS,
)
}
fn pass_dict_c_abi<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
dict: BasicValueEnum<'ctx>,
) -> BasicValueEnum<'ctx> {
match env.target_info.ptr_width() {
roc_target::PtrWidth::Bytes4 => {
let target_type = env.context.custom_width_int_type(96).into();
complex_bitcast(env.builder, dict, target_type, "to_i96")
}
roc_target::PtrWidth::Bytes8 => {
let dict_ptr = env.builder.build_alloca(zig_dict_type(env), "dict_ptr");
env.builder.build_store(dict_ptr, dict);
dict_ptr.into()
}
}
}
#[allow(clippy::too_many_arguments)]
pub fn dict_union<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict1: BasicValueEnum<'ctx>,
dict2: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
let inc_key_fn = build_inc_wrapper(env, layout_ids, key_layout);
let inc_value_fn = build_inc_wrapper(env, layout_ids, value_layout);
let output_ptr = builder.build_alloca(zig_dict_type(env), "output_ptr");
call_void_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict1),
pass_dict_c_abi(env, dict2),
alignment_iv.into(),
key_width.into(),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
inc_key_fn.as_global_value().as_pointer_value().into(),
inc_value_fn.as_global_value().as_pointer_value().into(),
output_ptr.into(),
],
bitcode::DICT_UNION,
);
env.builder.build_load(output_ptr, "load_output_ptr")
}
#[allow(clippy::too_many_arguments)]
pub fn dict_difference<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict1: BasicValueEnum<'ctx>,
dict2: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
dict_intersect_or_difference(
env,
layout_ids,
dict1,
dict2,
key_layout,
value_layout,
bitcode::DICT_DIFFERENCE,
)
}
#[allow(clippy::too_many_arguments)]
pub fn dict_intersection<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict1: BasicValueEnum<'ctx>,
dict2: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
dict_intersect_or_difference(
env,
layout_ids,
dict1,
dict2,
key_layout,
value_layout,
bitcode::DICT_INTERSECTION,
)
}
#[allow(clippy::too_many_arguments)]
fn dict_intersect_or_difference<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict1: BasicValueEnum<'ctx>,
dict2: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
op: &str,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let zig_dict_type = env.module.get_struct_type("dict.RocDict").unwrap();
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
let dec_key_fn = build_dec_wrapper(env, layout_ids, key_layout);
let dec_value_fn = build_dec_wrapper(env, layout_ids, value_layout);
let output_ptr = builder.build_alloca(zig_dict_type, "output_ptr");
call_void_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict1),
pass_dict_c_abi(env, dict2),
alignment_iv.into(),
key_width.into(),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
dec_key_fn.as_global_value().as_pointer_value().into(),
dec_value_fn.as_global_value().as_pointer_value().into(),
output_ptr.into(),
],
op,
);
env.builder.build_load(output_ptr, "load_output_ptr")
}
#[allow(clippy::too_many_arguments)]
pub fn dict_walk<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
roc_function_call: RocFunctionCall<'ctx>,
dict: BasicValueEnum<'ctx>,
accum: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
accum_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let u8_ptr = env.context.i8_type().ptr_type(AddressSpace::Generic);
let accum_bt = basic_type_from_layout(env, accum_layout);
let accum_ptr = builder.build_alloca(accum_bt, "accum_ptr");
env.builder.build_store(accum_ptr, accum);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let output_ptr = builder.build_alloca(accum_bt, "output_ptr");
call_void_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
roc_function_call.caller.into(),
pass_as_opaque(env, roc_function_call.data),
roc_function_call.inc_n_data.into(),
roc_function_call.data_is_owned.into(),
env.builder.build_bitcast(accum_ptr, u8_ptr, "to_opaque"),
alignment_iv.into(),
layout_width(env, key_layout),
layout_width(env, value_layout),
layout_width(env, accum_layout),
env.builder.build_bitcast(output_ptr, u8_ptr, "to_opaque"),
],
bitcode::DICT_WALK,
);
env.builder.build_load(output_ptr, "load_output_ptr")
}
#[allow(clippy::too_many_arguments)]
pub fn dict_values<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
dict: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
value_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env
.ptr_int()
.const_int(value_layout.stack_size(env.target_info) as u64, false);
let alignment = Alignment::from_key_value_layout(key_layout, value_layout, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let inc_value_fn = build_inc_wrapper(env, layout_ids, value_layout);
call_list_bitcode_fn(
env,
&[
pass_dict_c_abi(env, dict),
alignment_iv.into(),
key_width.into(),
value_width.into(),
inc_value_fn.as_global_value().as_pointer_value().into(),
],
bitcode::DICT_VALUES,
)
}
/// Dict.capacity : Dict * * -> Nat
pub fn dict_capacity<'ctx>(
builder: &Builder<'ctx>,
wrapper_struct: StructValue<'ctx>,
) -> IntValue<'ctx> {
builder
.build_extract_value(wrapper_struct, Builtin::WRAPPER_CAPACITY, "dict_capacity")
.unwrap()
.into_int_value()
}
/// Set.capacity : Set * -> Nat
pub fn set_capacity<'ctx>(
builder: &Builder<'ctx>,
wrapper_struct: StructValue<'ctx>,
) -> IntValue<'ctx> {
builder
.build_extract_value(wrapper_struct, Builtin::WRAPPER_CAPACITY, "set_capacity")
.unwrap()
.into_int_value()
}
#[allow(clippy::too_many_arguments)]
pub fn set_from_list<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
list: BasicValueEnum<'ctx>,
key_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
let builder = env.builder;
let key_width = env
.ptr_int()
.const_int(key_layout.stack_size(env.target_info) as u64, false);
let value_width = env.ptr_int().const_zero();
let result_alloca = builder.build_alloca(zig_dict_type(env), "result_alloca");
let alignment = Alignment::from_key_value_layout(key_layout, &Layout::UNIT, env.target_info);
let alignment_iv = alignment.as_int_value(env.context);
let hash_fn = build_hash_wrapper(env, layout_ids, key_layout);
let eq_fn = build_eq_wrapper(env, layout_ids, key_layout);
let dec_key_fn = build_dec_wrapper(env, layout_ids, key_layout);
call_void_bitcode_fn(
env,
&[
list_to_c_abi(env, list).into(),
alignment_iv.into(),
key_width.into(),
value_width.into(),
hash_fn.as_global_value().as_pointer_value().into(),
eq_fn.as_global_value().as_pointer_value().into(),
dec_key_fn.as_global_value().as_pointer_value().into(),
result_alloca.into(),
],
bitcode::SET_FROM_LIST,
);
env.builder.build_load(result_alloca, "load_result")
}
fn build_hash_wrapper<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,
layout: &Layout<'a>,
) -> FunctionValue<'ctx> {
let block = env.builder.get_insert_block().expect("to be in a function");
let di_location = env.builder.get_current_debug_location().unwrap();
let symbol = Symbol::GENERIC_HASH_REF;
let fn_name = layout_ids
.get(symbol, layout)
.to_symbol_string(symbol, &env.interns);
let function_value = match env.module.get_function(fn_name.as_str()) {
Some(function_value) => function_value,
None => {
let seed_type = env.context.i64_type();
let arg_type = env.context.i8_type().ptr_type(AddressSpace::Generic);
let function_value = crate::llvm::refcounting::build_header_help(
env,
&fn_name,
seed_type.into(),
&[seed_type.into(), arg_type.into()],
);
let kind_id = Attribute::get_named_enum_kind_id("alwaysinline");
debug_assert!(kind_id > 0);
let attr = env.context.create_enum_attribute(kind_id, 1);
function_value.add_attribute(AttributeLoc::Function, attr);
let entry = env.context.append_basic_block(function_value, "entry");
env.builder.position_at_end(entry);
debug_info_init!(env, function_value);
let mut it = function_value.get_param_iter();
let seed_arg = it.next().unwrap().into_int_value();
let value_ptr = it.next().unwrap().into_pointer_value();
seed_arg.set_name(Symbol::ARG_1.as_str(&env.interns));
value_ptr.set_name(Symbol::ARG_2.as_str(&env.interns));
let value_type = basic_type_from_layout(env, layout).ptr_type(AddressSpace::Generic);
let value_cast = env
.builder
.build_bitcast(value_ptr, value_type, "cast_to_known_type")
.into_pointer_value();
let val_arg = load_roc_value(env, *layout, value_cast, "load_opaque");
let result =
crate::llvm::build_hash::generic_hash(env, layout_ids, seed_arg, val_arg, layout);
env.builder.build_return(Some(&result));
function_value
}
};
env.builder.position_at_end(block);
env.builder
.set_current_debug_location(env.context, di_location);
function_value
}
fn dict_symbol_to_zig_dict<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
scope: &Scope<'a, 'ctx>,
symbol: Symbol,
) -> StructValue<'ctx> {
let dict = load_symbol(scope, &symbol);
complex_bitcast(
env.builder,
dict,
crate::llvm::convert::zig_dict_type(env).into(),
"dict_to_zig_dict",
)
.into_struct_value()
}
pub fn decref<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
wrapper_struct: StructValue<'ctx>,
alignment: u32,
) {
let pointer = env
.builder
.build_extract_value(wrapper_struct, Builtin::WRAPPER_PTR, "read_list_ptr")
.unwrap()
.into_pointer_value();
crate::llvm::refcounting::decref_pointer_check_null(env, pointer, alignment);
}