| ... | ... | @@ -2651,17 +2651,35 @@ pub const DeclGen = struct { |
| 2651 | 2651 | object_ptr: IdRef, |
| 2652 | 2652 | field_index: u32, |
| 2653 | 2653 | ) !?IdRef { |
| 2654 | const result_ty_ref = try self.resolveType(result_ptr_ty, .direct); |
| 2655 | |
| 2654 | 2656 | const mod = self.module; |
| 2655 | 2657 | const object_ty = object_ptr_ty.childType(mod); |
| 2656 | 2658 | switch (object_ty.zigTypeTag(mod)) { |
| 2657 | 2659 | .Struct => switch (object_ty.containerLayout(mod)) { |
| 2658 | 2660 | .Packed => unreachable, // TODO |
| 2659 | 2661 | else => { |
| 2660 | | const result_ty_ref = try self.resolveType(result_ptr_ty, .direct); |
| 2661 | 2662 | return try self.accessChain(result_ty_ref, object_ptr, &.{field_index}); |
| 2662 | 2663 | }, |
| 2663 | 2664 | }, |
| 2664 | | else => unreachable, // TODO |
| 2665 | .Union => switch (object_ty.containerLayout(mod)) { |
| 2666 | .Packed => unreachable, // TODO |
| 2667 | else => { |
| 2668 | const storage_class = spvStorageClass(object_ptr_ty.ptrAddressSpace(mod)); |
| 2669 | const un_active_ty_ref = try self.resolveUnionType(object_ty, field_index); |
| 2670 | const un_active_ptr_ty_ref = try self.spv.ptrType(un_active_ty_ref, storage_class); |
| 2671 | |
| 2672 | const casted_id = self.spv.allocId(); |
| 2673 | try self.func.body.emit(self.spv.gpa, .OpBitcast, .{ |
| 2674 | .id_result_type = self.typeId(un_active_ptr_ty_ref), |
| 2675 | .id_result = casted_id, |
| 2676 | .operand = object_ptr, |
| 2677 | }); |
| 2678 | const layout = self.unionLayout(object_ty, field_index); |
| 2679 | return try self.accessChain(result_ty_ref, casted_id, &.{layout.active_field_index}); |
| 2680 | }, |
| 2681 | }, |
| 2682 | else => unreachable, |
| 2665 | 2683 | } |
| 2666 | 2684 | } |
| 2667 | 2685 | |
Robin Voetter <robin@voetter.nl> 2023-09-17 17:29:38+02:00
Andrew Kelley <andrew@ziglang.org> 2023-09-23 12:36:56-07:00