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nac3core: do not use const struct for tuple

escape-analysis
ychenfo 2022-03-27 10:13:17 +08:00
parent 10d623e36f
commit 8d7e300a4a
1 changed files with 14 additions and 1 deletions
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15
nac3core/src/codegen/expr.rs
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@ -1020,7 +1020,20 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
.map_or_else(Err, |v| v.unwrap().to_basic_value_enum(ctx, generator))
})
.collect::<Result<Vec<_>, _>>()?;
ctx.ctx.const_struct(&element_val, false).into()
let element_ty = element_val.iter().map(BasicValueEnum::get_type).collect_vec();
let tuple_ty = ctx.ctx.struct_type(&element_ty, false);
let tuple_ptr = ctx.builder.build_alloca(tuple_ty, "tuple");
for (i, v) in element_val.into_iter().enumerate() {
unsafe {
let ptr = ctx.builder.build_in_bounds_gep(
tuple_ptr,
&[zero, int32.const_int(i as u64, false)],
"ptr",
);
ctx.builder.build_store(ptr, v);
}
}
ctx.builder.build_load(tuple_ptr, "tup_val").into()
}
ExprKind::Attribute { value, attr, .. } => {
// note that we would handle class methods directly in calls