// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/class/generic.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/class/generic.carbon

// --- classes.carbon

package Classes;

base class Base(T:! type) {
  var b: T;
}

class Derived(T:! type) {
  extend base: Base(T);
  var d: T;
}

class Adapter(T:! type) {
  extend adapt Derived(T);
}

// --- create.carbon

package Create;

import Classes;

fn CreateDerived() -> Classes.Derived(i32) {
  return {.base = {.b = 1}, .d = 2};
}

fn CreateAdapter() -> Classes.Adapter(i32) {
  return CreateDerived() as Classes.Adapter(i32);
}

// CHECK:STDOUT: ; ModuleID = 'classes.carbon'
// CHECK:STDOUT: source_filename = "classes.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "classes.carbon", directory: "")
// CHECK:STDOUT: ; ModuleID = 'create.carbon'
// CHECK:STDOUT: source_filename = "create.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @Derived.val.loc7_36 = internal constant { { i32 }, i32 } { { i32 } { i32 1 }, i32 2 }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CCreateDerived.Create(ptr sret({ { i32 }, i32 }) %return) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %.loc7_35.2.base = getelementptr inbounds nuw { { i32 }, i32 }, ptr %return, i32 0, i32 0, !dbg !7
// CHECK:STDOUT:   %.loc7_26.3.b = getelementptr inbounds nuw { i32 }, ptr %.loc7_35.2.base, i32 0, i32 0, !dbg !8
// CHECK:STDOUT:   %.loc7_35.5.d = getelementptr inbounds nuw { { i32 }, i32 }, ptr %return, i32 0, i32 1, !dbg !7
// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %return, ptr align 4 @Derived.val.loc7_36, i64 8, i1 false), !dbg !9
// CHECK:STDOUT:   ret void, !dbg !9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CCreateAdapter.Create(ptr sret({ { i32 }, i32 }) %return) !dbg !10 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   call void @_CCreateDerived.Create(ptr %return), !dbg !11
// CHECK:STDOUT:   ret void, !dbg !12
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #0
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "create.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "CreateDerived", linkageName: "_CCreateDerived.Create", scope: null, file: !3, line: 6, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 7, column: 10, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 7, column: 19, scope: !4)
// CHECK:STDOUT: !9 = !DILocation(line: 7, column: 3, scope: !4)
// CHECK:STDOUT: !10 = distinct !DISubprogram(name: "CreateAdapter", linkageName: "_CCreateAdapter.Create", scope: null, file: !3, line: 10, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !11 = !DILocation(line: 11, column: 10, scope: !10)
// CHECK:STDOUT: !12 = !DILocation(line: 11, column: 3, scope: !10)