| ... | @@ -1279,6 +1279,66 @@ pub const DeclGen = struct { | ... | @@ -1279,6 +1279,66 @@ pub const DeclGen = struct { |
| 1279 | } | 1279 | } |
| 1280 | return llvm_union_ty.constNamedStruct(&fields, fields.len); | 1280 | return llvm_union_ty.constNamedStruct(&fields, fields.len); |
| 1281 | }, | 1281 | }, |
| | 1282 | .Vector => switch (tv.val.tag()) { |
| | 1283 | .bytes => { |
| | 1284 | // Note, sentinel is not stored even if the type has a sentinel. |
| | 1285 | const bytes = tv.val.castTag(.bytes).?.data; |
| | 1286 | const vector_len = tv.ty.arrayLen(); |
| | 1287 | assert(vector_len == bytes.len or vector_len + 1 == bytes.len); |
| | 1288 | |
| | 1289 | const elem_ty = tv.ty.elemType(); |
| | 1290 | const llvm_elems = try self.gpa.alloc(*const llvm.Value, vector_len); |
| | 1291 | defer self.gpa.free(llvm_elems); |
| | 1292 | for (llvm_elems) |*elem, i| { |
| | 1293 | var byte_payload: Value.Payload.U64 = .{ |
| | 1294 | .base = .{ .tag = .int_u64 }, |
| | 1295 | .data = bytes[i], |
| | 1296 | }; |
| | 1297 | |
| | 1298 | elem.* = try self.genTypedValue(.{ |
| | 1299 | .ty = elem_ty, |
| | 1300 | .val = Value.initPayload(&byte_payload.base), |
| | 1301 | }); |
| | 1302 | } |
| | 1303 | return llvm.constVector( |
| | 1304 | llvm_elems.ptr, |
| | 1305 | @intCast(c_uint, llvm_elems.len), |
| | 1306 | ); |
| | 1307 | }, |
| | 1308 | .array => { |
| | 1309 | // Note, sentinel is not stored even if the type has a sentinel. |
| | 1310 | // The value includes the sentinel in those cases. |
| | 1311 | const elem_vals = tv.val.castTag(.array).?.data; |
| | 1312 | const vector_len = tv.ty.arrayLen(); |
| | 1313 | assert(vector_len == elem_vals.len or vector_len + 1 == elem_vals.len); |
| | 1314 | const elem_ty = tv.ty.elemType(); |
| | 1315 | const llvm_elems = try self.gpa.alloc(*const llvm.Value, vector_len); |
| | 1316 | defer self.gpa.free(llvm_elems); |
| | 1317 | for (llvm_elems) |*elem, i| { |
| | 1318 | elem.* = try self.genTypedValue(.{ .ty = elem_ty, .val = elem_vals[i] }); |
| | 1319 | } |
| | 1320 | return llvm.constVector( |
| | 1321 | llvm_elems.ptr, |
| | 1322 | @intCast(c_uint, llvm_elems.len), |
| | 1323 | ); |
| | 1324 | }, |
| | 1325 | .repeated => { |
| | 1326 | // Note, sentinel is not stored even if the type has a sentinel. |
| | 1327 | const val = tv.val.castTag(.repeated).?.data; |
| | 1328 | const elem_ty = tv.ty.elemType(); |
| | 1329 | const len = tv.ty.arrayLen(); |
| | 1330 | const llvm_elems = try self.gpa.alloc(*const llvm.Value, len); |
| | 1331 | defer self.gpa.free(llvm_elems); |
| | 1332 | for (llvm_elems) |*elem| { |
| | 1333 | elem.* = try self.genTypedValue(.{ .ty = elem_ty, .val = val }); |
| | 1334 | } |
| | 1335 | return llvm.constVector( |
| | 1336 | llvm_elems.ptr, |
| | 1337 | @intCast(c_uint, llvm_elems.len), |
| | 1338 | ); |
| | 1339 | }, |
| | 1340 | else => unreachable, |
| | 1341 | }, |
| 1282 | | 1342 | |
| 1283 | .ComptimeInt => unreachable, | 1343 | .ComptimeInt => unreachable, |
| 1284 | .ComptimeFloat => unreachable, | 1344 | .ComptimeFloat => unreachable, |
| ... | @@ -1293,7 +1353,6 @@ pub const DeclGen = struct { | ... | @@ -1293,7 +1353,6 @@ pub const DeclGen = struct { |
| 1293 | | 1353 | |
| 1294 | .Frame, | 1354 | .Frame, |
| 1295 | .AnyFrame, | 1355 | .AnyFrame, |
| 1296 | .Vector, | | |
| 1297 | => return self.todo("implement const of type '{}'", .{tv.ty}), | 1356 | => return self.todo("implement const of type '{}'", .{tv.ty}), |
| 1298 | } | 1357 | } |
| 1299 | } | 1358 | } |
Robin Voetter <robin@voetter.nl> 2021-10-16 19:51:39+02:00
src