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Implement soa_unzip

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gingerBill
2021-03-24 19:29:25 +00:00
parent 6c9d3715d8
commit 7028797d53
3 changed files with 66 additions and 1 deletions
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29
src/llvm_backend.cpp
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@@ -8281,6 +8281,33 @@ lbValue lb_soa_zip(lbProcedure *p, AstCallExpr *ce, TypeAndValue const &tv) {
return lb_addr_load(p, res);
}
lbValue lb_soa_unzip(lbProcedure *p, AstCallExpr *ce, TypeAndValue const &tv) {
GB_ASSERT(ce->args.count == 1);
lbValue arg = lb_build_expr(p, ce->args[0]);
Type *t = base_type(arg.type);
GB_ASSERT(is_type_soa_struct(t) && t->Struct.soa_kind == StructSoa_Slice);
lbValue len = lb_soa_struct_len(p, arg);
lbAddr res = lb_add_local_generated(p, tv.type, true);
if (is_type_tuple(tv.type)) {
lbValue rp = lb_addr_get_ptr(p, res);
for (i32 i = 0; i < cast(i32)(t->Struct.fields.count-1); i++) {
lbValue ptr = lb_emit_struct_ev(p, arg, i);
lbAddr dst = lb_addr(lb_emit_struct_ep(p, rp, i));
lb_fill_slice(p, dst, ptr, len);
}
} else {
GB_ASSERT(is_type_slice(tv.type));
lbValue ptr = lb_emit_struct_ev(p, arg, 0);
lb_fill_slice(p, res, ptr, len);
}
return lb_addr_load(p, res);
}
lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv, BuiltinProcId id) {
ast_node(ce, CallExpr, expr);
@@ -8672,6 +8699,8 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
case BuiltinProc_soa_zip:
return lb_soa_zip(p, ce, tv);
case BuiltinProc_soa_unzip:
return lb_soa_unzip(p, ce, tv);
// "Intrinsics"