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First pass at erased function layouts

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Ayaz Hafiz 2023-06-23 16:39:52 -05:00
parent 6e5a308557
commit a9e3f967a8
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3 changed files with 39 additions and 36 deletions
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19
crates/compiler/mono/src/ir.rs
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@ -5,8 +5,7 @@ use crate::ir::literal::{make_num_literal, IntOrFloatValue};
use crate::layout::{
self, Builtin, ClosureCallOptions, ClosureRepresentation, EnumDispatch, InLayout, LambdaName,
LambdaSet, Layout, LayoutCache, LayoutInterner, LayoutProblem, LayoutRepr, Niche,
OpaqueFunctionData, RawFunctionLayout, TLLayoutInterner, TagIdIntType, UnionLayout,
WrappedVariant,
RawFunctionLayout, TLLayoutInterner, TagIdIntType, UnionLayout, WrappedVariant,
};
use bumpalo::collections::{CollectIn, Vec};
use bumpalo::Bump;
@ -3196,18 +3195,8 @@ fn generate_runtime_error_function<'a>(
(args.into_bump_slice(), ret_layout)
}
RawFunctionLayout::ErasedFunction(arg_layouts, closure_data, ret_layout) => {
let mut args = Vec::with_capacity_in(arg_layouts.len() + 1, env.arena);
for arg in arg_layouts {
args.push((*arg, env.unique_symbol()));
}
if let OpaqueFunctionData::Capturing { .. } = closure_data {
// TODO(erased-lambdas) we want a void* here, but is a boxed pointer always
// correct?
args.push((Layout::OPAQUE_PTR, Symbol::ARG_CLOSURE));
}
(args.into_bump_slice(), ret_layout)
RawFunctionLayout::ErasedFunction(..) => {
todo_lambda_erasure!()
}
RawFunctionLayout::ZeroArgumentThunk(ret_layout) => (&[] as &[_], ret_layout),
};
@ -4845,7 +4834,7 @@ pub fn with_hole<'a>(
hole,
)
}
RawFunctionLayout::ErasedFunction(_, _, _) => todo_lambda_erasure!(),
RawFunctionLayout::ErasedFunction(_, _) => todo_lambda_erasure!(),
RawFunctionLayout::ZeroArgumentThunk(_) => unreachable!(),
}
}