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add in-place List.swap

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This commit is contained in:
Folkert 2021-10-03 00:25:35 +02:00
parent 3d7b42deba
commit dbb8acbe67
3 changed files with 30 additions and 9 deletions
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12
compiler/gen_llvm/src/llvm/build_list.rs
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@ -17,6 +17,16 @@ use morphic_lib::UpdateMode;
use roc_builtins::bitcode;
use roc_mono::layout::{Builtin, Layout, LayoutIds};
fn pass_update_mode<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
update_mode: UpdateMode,
) -> BasicValueEnum<'ctx> {
match update_mode {
UpdateMode::Immutable => env.context.bool_type().const_zero().into(),
UpdateMode::InPlace => env.context.bool_type().const_int(1, false).into(),
}
}
fn list_returned_from_zig<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
output: BasicValueEnum<'ctx>,
@ -267,6 +277,7 @@ pub fn list_swap<'a, 'ctx, 'env>(
index_1: IntValue<'ctx>,
index_2: IntValue<'ctx>,
element_layout: &Layout<'a>,
update_mode: UpdateMode,
) -> BasicValueEnum<'ctx> {
call_bitcode_fn_returns_list(
env,
@ -276,6 +287,7 @@ pub fn list_swap<'a, 'ctx, 'env>(
layout_width(env, element_layout),
index_1.into(),
index_2.into(),
pass_update_mode(env, update_mode),
],
bitcode::LIST_SWAP,
)