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Equality operator for records

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This commit is contained in:
Brian Carroll 2021-12-18 17:25:00 +00:00
parent 55f5956175
commit a1d883600c
4 changed files with 267 additions and 99 deletions
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13
compiler/gen_wasm/src/backend.rs
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@ -1049,9 +1049,19 @@ impl<'a> WasmBackend<'a> {
}
SpecializedEq | SpecializedNotEq => {
let layout = self.symbol_layouts[&arguments[0]];
let layout_rhs = self.symbol_layouts[&arguments[1]];
debug_assert!(
layout == layout_rhs,
"Cannot do `==` comparison on different types"
);
if layout == Layout::Builtin(Builtin::Str) {
self.call_zig_builtin(bitcode::STR_EQUAL, param_types, ret_type);
} else if layout.stack_size(PTR_SIZE) == 0 {
// If the layout has zero size, and it type-checks, the values must be equal
let value = matches!(build_result, SpecializedEq);
self.code_builder.i32_const(value as i32);
return;
} else {
let ident_ids = self
.interns
@ -1068,7 +1078,8 @@ impl<'a> WasmBackend<'a> {
self.register_helper_proc(spec);
}
self.build_expr(&return_sym, replacement_expr, &layout, storage);
let bool_layout = Layout::Builtin(Builtin::Bool);
self.build_expr(&return_sym, replacement_expr, &bool_layout, storage);
}
if matches!(build_result, SpecializedNotEq) {