| // RUN: %target-swift-frontend -emit-ir %s | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize -DINT=i%target-ptrsize |
| |
| class C {} |
| |
| struct SSing { var x: Int64 } |
| struct SMult { var x, y: Int64 } |
| struct SMult2 { var x, y: C } |
| struct SMult3 { var x, y: C } |
| |
| struct GSing<T> { var x: T } |
| struct GMult<T> { var x, y: T } |
| |
| enum ESing { case X(Int64) } |
| enum EMult { case X(Int64), Y(Int64) } |
| |
| @_alignment(4) |
| struct CommonLayout { var x,y,z,w: Int8 } |
| |
| struct FourInts { var x,y,z,w: Int32 } |
| |
| @_alignment(16) |
| struct AlignedFourInts { var x: FourInts } |
| |
| // CHECK: @"$s11type_layout14TypeLayoutTestVMn" = hidden constant {{.*}} @"$s11type_layout14TypeLayoutTestVMP" |
| // CHECK: define internal %swift.type* @"$s11type_layout14TypeLayoutTestVMi" |
| // CHECK: define internal swiftcc %swift.metadata_response @"$s11type_layout14TypeLayoutTestVMr" |
| struct TypeLayoutTest<T> { |
| // CHECK: [[TUPLE_LAYOUT_M:%.*]] = alloca %swift.full_type_layout, |
| // CHECK: [[TUPLE_LAYOUT_N:%.*]] = alloca %swift.full_type_layout, |
| // CHECK: [[TUPLE_LAYOUT_O:%.*]] = alloca %swift.full_type_layout, |
| // CHECK: [[TUPLE_ELT_LAYOUTS_O:%.*]] = alloca i8**, [[INT]] 4, |
| // -- dynamic layout, projected from metadata |
| // CHECK: [[T0:%.*]] = call{{( tail)?}} swiftcc %swift.metadata_response @swift_checkMetadataState([[INT]] 319, %swift.type* %T) |
| // CHECK: [[T_CHECKED:%.*]] = extractvalue %swift.metadata_response [[T0]], 0 |
| // CHECK: [[T_STATUS:%.*]] = extractvalue %swift.metadata_response [[T0]], 1 |
| // CHECK: [[T_OK:%.*]] = icmp ule [[INT]] [[T_STATUS]], 63 |
| // CHECK: br i1 [[T_OK]], |
| // CHECK: [[T0:%.*]] = bitcast %swift.type* [[T_CHECKED]] to i8*** |
| // CHECK: [[T1:%.*]] = getelementptr inbounds i8**, i8*** [[T0]], {{i32|i64}} -1 |
| // CHECK: [[T_VALUE_WITNESSES:%.*]] = load i8**, i8*** [[T1]] |
| // CHECK: [[T_LAYOUT:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: store i8** [[T_LAYOUT]] |
| var z: T |
| // -- native class, use standard NativeObject value witness |
| // CHECK: store i8** getelementptr inbounds (i8*, i8** @"$sBoWV", i32 8) |
| var a: C |
| // -- Single-element struct, shares layout of its field (Builtin.Int64) |
| // CHECK: store i8** getelementptr inbounds (i8*, i8** @"$sBi64_WV", i32 8) |
| var c: SSing |
| // -- Multi-element structs use open-coded layouts |
| // CHECK: store i8** bitcast ({ [[INT]], [[INT]], i32, i32 }* @type_layout_16_8_0_pod to i8**) |
| var d: SMult |
| // CHECK-64: store i8** bitcast ({ [[INT]], [[INT]], i32, i32 }* @type_layout_16_8_[[REF_XI:[0-9a-f]+]]_bt to i8**) |
| // CHECK-32: store i8** bitcast ({ [[INT]], [[INT]], i32, i32 }* @type_layout_8_4_[[REF_XI:[0-9a-f]+]]_bt to i8**) |
| var e: SMult2 |
| // CHECK-64: store i8** bitcast ({ [[INT]], [[INT]], i32, i32 }* @type_layout_16_8_[[REF_XI]]_bt to i8**) |
| // CHECK-32: store i8** bitcast ({ [[INT]], [[INT]], i32, i32 }* @type_layout_8_4_[[REF_XI]]_bt to i8**) |
| var f: SMult3 |
| // -- Single-case enum, shares layout of its field (Builtin.Int64) |
| // CHECK: store i8** getelementptr inbounds (i8*, i8** @"$sBi64_WV", i32 8) |
| var g: ESing |
| // -- Multi-case enum, open-coded layout |
| // CHECK: store i8** bitcast ({ [[INT]], [[INT]], i32, i32 }* @type_layout_9_8_fe_pod to i8**) |
| var h: EMult |
| // -- Single-element generic struct, shares layout of its field (T) |
| // CHECK: [[T_LAYOUT:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: store i8** [[T_LAYOUT]] |
| var i: GSing<T> |
| // -- Multi-element generic struct, need to derive from metadata |
| // CHECK: [[TMP:%.*]] = call swiftcc %swift.metadata_response @"$s11type_layout5GMultVMa"([[INT]] 319, %swift.type* [[T_CHECKED]]) |
| // CHECK: [[METADATA:%.*]] = extractvalue %swift.metadata_response [[TMP]], 0 |
| // CHECK: [[METADATA_STATUS:%.*]] = extractvalue %swift.metadata_response [[TMP]], 1 |
| // CHECK: [[METADATA_OK:%.*]] = icmp ule [[INT]] [[METADATA_STATUS]], 63 |
| // CHECK: br i1 [[METADATA_OK]], |
| // CHECK: [[T0:%.*]] = bitcast %swift.type* [[METADATA]] to i8*** |
| // CHECK: [[T1:%.*]] = getelementptr inbounds i8**, i8*** [[T0]], {{i32|i64}} -1 |
| // CHECK: [[VALUE_WITNESSES:%.*]] = load i8**, i8*** [[T1]] |
| // CHECK: [[LAYOUT:%.*]] = getelementptr inbounds i8*, i8** [[VALUE_WITNESSES]], i32 8 |
| // CHECK: store i8** [[LAYOUT]] |
| var j: GMult<T> |
| // -- Common layout, reuse common value witness table layout |
| // CHECK: store i8** getelementptr (i8*, i8** @"$sBi32_WV", i32 8) |
| var k: CommonLayout |
| // -- Single-field aggregate with alignment |
| // CHECK: store i8** getelementptr (i8*, i8** @"$sBi128_WV", i32 8) |
| var l: AlignedFourInts |
| // -- Tuple with two elements |
| // CHECK: [[T_LAYOUT_1:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: [[T_LAYOUT_2:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: call swiftcc [[INT]] @swift_getTupleTypeLayout2(%swift.full_type_layout* [[TUPLE_LAYOUT_M]], i8** [[T_LAYOUT_1]], i8** [[T_LAYOUT_2]]) |
| // CHECK: [[T0:%.*]] = bitcast %swift.full_type_layout* [[TUPLE_LAYOUT_M]] to i8** |
| // CHECK: store i8** [[T0]] |
| var m: (T, T) |
| // -- Tuple with three elements |
| // CHECK: [[T_LAYOUT_1:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: [[T_LAYOUT_2:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: [[T_LAYOUT_3:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: call swiftcc { [[INT]], [[INT]] } @swift_getTupleTypeLayout3(%swift.full_type_layout* [[TUPLE_LAYOUT_N]], i8** [[T_LAYOUT_1]], i8** [[T_LAYOUT_2]], i8** [[T_LAYOUT_3]]) |
| // CHECK: [[T0:%.*]] = bitcast %swift.full_type_layout* [[TUPLE_LAYOUT_N]] to i8** |
| // CHECK: store i8** [[T0]] |
| var n: (T, T, T) |
| // -- Tuple with four elements |
| // CHECK: [[T_LAYOUT_1:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: store i8** [[T_LAYOUT_1]], i8*** [[TUPLE_ELT_LAYOUTS_O]], |
| // CHECK: [[T_LAYOUT_2:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: [[T0:%.*]] = getelementptr inbounds i8**, i8*** [[TUPLE_ELT_LAYOUTS_O]], i32 1 |
| // CHECK: store i8** [[T_LAYOUT_2]], i8*** [[T0]], |
| // CHECK: [[T_LAYOUT_3:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: [[T0:%.*]] = getelementptr inbounds i8**, i8*** [[TUPLE_ELT_LAYOUTS_O]], i32 2 |
| // CHECK: store i8** [[T_LAYOUT_3]], i8*** [[T0]], |
| // CHECK: [[T_LAYOUT_4:%.*]] = getelementptr inbounds i8*, i8** [[T_VALUE_WITNESSES]], i32 8 |
| // CHECK: [[T0:%.*]] = getelementptr inbounds i8**, i8*** [[TUPLE_ELT_LAYOUTS_O]], i32 3 |
| // CHECK: store i8** [[T_LAYOUT_4]], i8*** [[T0]], |
| // CHECK: call swiftcc void @swift_getTupleTypeLayout(%swift.full_type_layout* [[TUPLE_LAYOUT_O]], i32* null, [[INT]] 4, i8*** [[TUPLE_ELT_LAYOUTS_O]]) |
| // CHECK: [[T0:%.*]] = bitcast %swift.full_type_layout* [[TUPLE_LAYOUT_O]] to i8** |
| // CHECK: store i8** [[T0]] |
| var o: (T, T, T, T) |
| } |
