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carbon-lang/toolchain/check/testdata/class/virtual_modifiers.carbon
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Richard Smith b1230218d5 Make fingerprinting stable across compatible source changes. (#4789) 
Include the index rather than the name in the fingerprint of a symbolic
binding. While both the index and the name contribute to the canonical
identity, using either one of them in the fingerprint is sufficient to
ensure that distinct entities get different fingerprints. Changing the
name of a symbolic binding should ideally not result in fingerprint
changes, so exclude the name from the fingerprint when we have an index.

Use the canonical type and constraint when fingerprinting an impl, so
that uses of names in `name_ref` instructions aren't considered, only
the entity the name resolves to, and different ways of spelling the same
type have the same fingerprint. This similarly allows compatible changes
to be made to impls without changing the fingerprint.

Exclude the declaration block when determining the fingerprint of a
declaration. The declaration block contains the declarations of
parameters of the declaration, which do affect whether two declarations
are identical, but not whether they denote the same entity, because it
would be invalid to have different declaration blocks for declarations
with the same name in the same scope. Therefore changes to the
declaration block are compatible, and it's useful for such changes to
not affect the fingerprint.

This is not easy to test in isolation with our current testing
machinery. However, a follow-on PR will change the name of a parameter
in the prelude, and with this in place, will not cause any changes to
occur elsewhere in the toolchain tests.
2025-01-10 22:30:22 +00:00

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// 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/check/testdata/class/virtual_modifiers.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/virtual_modifiers.carbon
// --- modifiers.carbon
package Modifiers;
base class Base {
virtual fn H();
}
abstract class Abstract {
abstract fn J();
virtual fn K();
}
// --- todo_fail_later_base.carbon
package FailLaterBase;
import Modifiers;
base class Derived {
virtual fn F();
extend base: Modifiers.Base;
}
// --- init.carbon
package Init;
import Modifiers;
fn F() {
var v: Modifiers.Base = {};
}
// --- impl_abstract.carbon
package ImplAbstract;
abstract class A1 {
virtual fn F();
}
abstract class A2 {
extend base: A1;
impl fn F();
}
// --- impl_base.carbon
package ImplBase;
base class B1 {
virtual fn F();
}
base class B2 {
extend base: B1;
impl fn F();
}
class C {
extend base: B2;
impl fn F();
}
// --- fail_modifiers.carbon
package FailModifiers;
class C {
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+3]]:3: error: impl without base class [ImplWithoutBase]
// CHECK:STDERR: impl fn F();
// CHECK:STDERR: ^~~~~~~~~~~~
impl fn F();
}
// --- init_members.carbon
package InitMembers;
base class Base {
var m1: i32;
var m2: i32;
virtual fn F();
}
fn F() {
var i: i32 = 3;
// TODO: These should initialize element1 (.m), not element0 (the vptr)
var b1: Base = {.m2 = i, .m1 = i};
var b2: Base = {.m2 = 3, .m1 = 5};
// This one is good, though.
b1.m2 = 4;
}
// --- todo_fail_impl_without_base_declaration.carbon
package ImplWithoutBaseDeclaration;
base class Base {
}
class Derived {
extend base: Base;
impl fn F();
}
// CHECK:STDOUT: --- modifiers.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %H.type: type = fn_type @H [template]
// CHECK:STDOUT: %H: %H.type = struct_value () [template]
// CHECK:STDOUT: %ptr: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr: type = struct_type {.<vptr>: %ptr} [template]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template]
// CHECK:STDOUT: %Abstract: type = class_type @Abstract [template]
// CHECK:STDOUT: %J.type: type = fn_type @J [template]
// CHECK:STDOUT: %J: %J.type = struct_value () [template]
// CHECK:STDOUT: %K.type: type = fn_type @K [template]
// CHECK:STDOUT: %K: %K.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .Abstract = %Abstract.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
// CHECK:STDOUT: %Abstract.decl: type = class_decl @Abstract [template = constants.%Abstract] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %H.decl: %H.type = fn_decl @H [template = constants.%H] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template = constants.%complete_type]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: .H = %H.decl
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Abstract {
// CHECK:STDOUT: %J.decl: %J.type = fn_decl @J [template = constants.%J] {} {}
// CHECK:STDOUT: %K.decl: %K.type = fn_decl @K [template = constants.%K] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template = constants.%complete_type]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Abstract
// CHECK:STDOUT: .J = %J.decl
// CHECK:STDOUT: .K = %K.decl
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: virtual fn @H();
// CHECK:STDOUT:
// CHECK:STDOUT: abstract fn @J();
// CHECK:STDOUT:
// CHECK:STDOUT: virtual fn @K();
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_later_base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Derived: type = class_type @Derived [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %ptr.454: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr: type = struct_type {.<vptr>: %ptr.454} [template]
// CHECK:STDOUT: %complete_type.513: <witness> = complete_type_witness %struct_type.vptr [template]
// CHECK:STDOUT: %Derived.elem: type = unbound_element_type %Derived, %Base [template]
// CHECK:STDOUT: %struct_type.base: type = struct_type {.base: %Base} [template]
// CHECK:STDOUT: %complete_type.0e2: <witness> = complete_type_witness %struct_type.base [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Modifiers: <namespace> = namespace file.%Modifiers.import, [template] {
// CHECK:STDOUT: .Base = %import_ref.917
// CHECK:STDOUT: import Modifiers//default
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.917: type = import_ref Modifiers//default, Base, loaded [template = constants.%Base]
// CHECK:STDOUT: %import_ref.05e: <witness> = import_ref Modifiers//default, loc6_1, loaded [template = constants.%complete_type.513]
// CHECK:STDOUT: %import_ref.1f3 = import_ref Modifiers//default, inst16 [no loc], unloaded
// CHECK:STDOUT: %import_ref.2cc = import_ref Modifiers//default, loc5_17, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Modifiers = imports.%Modifiers
// CHECK:STDOUT: .Derived = %Derived.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Modifiers.import = import Modifiers
// CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT: %Modifiers.ref: <namespace> = name_ref Modifiers, imports.%Modifiers [template = imports.%Modifiers]
// CHECK:STDOUT: %Base.ref: type = name_ref Base, imports.%import_ref.917 [template = constants.%Base]
// CHECK:STDOUT: %.loc8: %Derived.elem = base_decl %Base.ref, element0 [template]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base [template = constants.%complete_type.0e2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Derived
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .base = %.loc8
// CHECK:STDOUT: extend %Base.ref
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base [from "modifiers.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%import_ref.1f3
// CHECK:STDOUT: .H = imports.%import_ref.2cc
// CHECK:STDOUT: complete_type_witness = imports.%import_ref.05e
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: virtual fn @F();
// CHECK:STDOUT:
// CHECK:STDOUT: --- init.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %ptr.454: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr: type = struct_type {.<vptr>: %ptr.454} [template]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Modifiers: <namespace> = namespace file.%Modifiers.import, [template] {
// CHECK:STDOUT: .Base = %import_ref.917
// CHECK:STDOUT: import Modifiers//default
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.05e: <witness> = import_ref Modifiers//default, loc6_1, loaded [template = constants.%complete_type]
// CHECK:STDOUT: %import_ref.1f3 = import_ref Modifiers//default, inst16 [no loc], unloaded
// CHECK:STDOUT: %import_ref.2cc = import_ref Modifiers//default, loc5_17, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Modifiers = imports.%Modifiers
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Modifiers.import = import Modifiers
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base [from "modifiers.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%import_ref.1f3
// CHECK:STDOUT: .H = imports.%import_ref.2cc
// CHECK:STDOUT: complete_type_witness = imports.%import_ref.05e
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %v.var: ref %Base = var v
// CHECK:STDOUT: %v: ref %Base = bind_name v, %v.var
// CHECK:STDOUT: %.loc7_28.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc7_28.2: ref %ptr.454 = class_element_access %v.var, element0
// CHECK:STDOUT: %.loc7_28.3: ref %ptr.454 = vtable_ptr
// CHECK:STDOUT: %.loc7_28.4: init %ptr.454 = initialize_from %.loc7_28.3 to %.loc7_28.2
// CHECK:STDOUT: %.loc7_28.5: init %Base = class_init (%.loc7_28.4), %v.var
// CHECK:STDOUT: %.loc7_29: init %Base = converted %.loc7_28.1, %.loc7_28.5
// CHECK:STDOUT: assign %v.var, %.loc7_29
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- impl_abstract.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %A1: type = class_type @A1 [template]
// CHECK:STDOUT: %F.type.13a: type = fn_type @F.1 [template]
// CHECK:STDOUT: %F.df5: %F.type.13a = struct_value () [template]
// CHECK:STDOUT: %ptr.454: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr: type = struct_type {.<vptr>: %ptr.454} [template]
// CHECK:STDOUT: %complete_type.513: <witness> = complete_type_witness %struct_type.vptr [template]
// CHECK:STDOUT: %A2: type = class_type @A2 [template]
// CHECK:STDOUT: %A2.elem: type = unbound_element_type %A2, %A1 [template]
// CHECK:STDOUT: %F.type.4ae: type = fn_type @F.2 [template]
// CHECK:STDOUT: %F.1d5: %F.type.4ae = struct_value () [template]
// CHECK:STDOUT: %struct_type.base: type = struct_type {.base: %A1} [template]
// CHECK:STDOUT: %complete_type.a6f: <witness> = complete_type_witness %struct_type.base [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .A1 = %A1.decl
// CHECK:STDOUT: .A2 = %A2.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %A1.decl: type = class_decl @A1 [template = constants.%A1] {} {}
// CHECK:STDOUT: %A2.decl: type = class_decl @A2 [template = constants.%A2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @A1 {
// CHECK:STDOUT: %F.decl: %F.type.13a = fn_decl @F.1 [template = constants.%F.df5] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template = constants.%complete_type.513]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%A1
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @A2 {
// CHECK:STDOUT: %A1.ref: type = name_ref A1, file.%A1.decl [template = constants.%A1]
// CHECK:STDOUT: %.loc9: %A2.elem = base_decl %A1.ref, element0 [template]
// CHECK:STDOUT: %F.decl: %F.type.4ae = fn_decl @F.2 [template = constants.%F.1d5] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base [template = constants.%complete_type.a6f]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%A2
// CHECK:STDOUT: .base = %.loc9
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: extend %A1.ref
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: virtual fn @F.1();
// CHECK:STDOUT:
// CHECK:STDOUT: impl fn @F.2();
// CHECK:STDOUT:
// CHECK:STDOUT: --- impl_base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %B1: type = class_type @B1 [template]
// CHECK:STDOUT: %F.type.e4c: type = fn_type @F.1 [template]
// CHECK:STDOUT: %F.8f5: %F.type.e4c = struct_value () [template]
// CHECK:STDOUT: %ptr.454: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr: type = struct_type {.<vptr>: %ptr.454} [template]
// CHECK:STDOUT: %complete_type.513: <witness> = complete_type_witness %struct_type.vptr [template]
// CHECK:STDOUT: %B2: type = class_type @B2 [template]
// CHECK:STDOUT: %B2.elem: type = unbound_element_type %B2, %B1 [template]
// CHECK:STDOUT: %F.type.b26: type = fn_type @F.2 [template]
// CHECK:STDOUT: %F.d48: %F.type.b26 = struct_value () [template]
// CHECK:STDOUT: %struct_type.base.508: type = struct_type {.base: %B1} [template]
// CHECK:STDOUT: %complete_type.5ac: <witness> = complete_type_witness %struct_type.base.508 [template]
// CHECK:STDOUT: %C: type = class_type @C [template]
// CHECK:STDOUT: %C.elem: type = unbound_element_type %C, %B2 [template]
// CHECK:STDOUT: %F.type.c29: type = fn_type @F.3 [template]
// CHECK:STDOUT: %F.437: %F.type.c29 = struct_value () [template]
// CHECK:STDOUT: %struct_type.base.421: type = struct_type {.base: %B2} [template]
// CHECK:STDOUT: %complete_type.066: <witness> = complete_type_witness %struct_type.base.421 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .B1 = %B1.decl
// CHECK:STDOUT: .B2 = %B2.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %B1.decl: type = class_decl @B1 [template = constants.%B1] {} {}
// CHECK:STDOUT: %B2.decl: type = class_decl @B2 [template = constants.%B2] {} {}
// CHECK:STDOUT: %C.decl: type = class_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @B1 {
// CHECK:STDOUT: %F.decl: %F.type.e4c = fn_decl @F.1 [template = constants.%F.8f5] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template = constants.%complete_type.513]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%B1
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @B2 {
// CHECK:STDOUT: %B1.ref: type = name_ref B1, file.%B1.decl [template = constants.%B1]
// CHECK:STDOUT: %.loc9: %B2.elem = base_decl %B1.ref, element0 [template]
// CHECK:STDOUT: %F.decl: %F.type.b26 = fn_decl @F.2 [template = constants.%F.d48] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base.508 [template = constants.%complete_type.5ac]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%B2
// CHECK:STDOUT: .base = %.loc9
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: extend %B1.ref
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %B2.ref: type = name_ref B2, file.%B2.decl [template = constants.%B2]
// CHECK:STDOUT: %.loc14: %C.elem = base_decl %B2.ref, element0 [template]
// CHECK:STDOUT: %F.decl: %F.type.c29 = fn_decl @F.3 [template = constants.%F.437] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base.421 [template = constants.%complete_type.066]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .base = %.loc14
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: extend %B2.ref
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: virtual fn @F.1();
// CHECK:STDOUT:
// CHECK:STDOUT: impl fn @F.2();
// CHECK:STDOUT:
// CHECK:STDOUT: impl fn @F.3();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_modifiers.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %ptr: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr: type = struct_type {.<vptr>: %ptr} [template]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr [template = constants.%complete_type]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl fn @F();
// CHECK:STDOUT:
// CHECK:STDOUT: --- init_members.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %Base.elem: type = unbound_element_type %Base, %i32 [template]
// CHECK:STDOUT: %F.type.7c6: type = fn_type @F.1 [template]
// CHECK:STDOUT: %F.d17: %F.type.7c6 = struct_value () [template]
// CHECK:STDOUT: %ptr.454: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr.m1.m2: type = struct_type {.<vptr>: %ptr.454, .m1: %i32, .m2: %i32} [template]
// CHECK:STDOUT: %complete_type.cf7: <witness> = complete_type_witness %struct_type.vptr.m1.m2 [template]
// CHECK:STDOUT: %F.type.b25: type = fn_type @F.2 [template]
// CHECK:STDOUT: %F.c41: %F.type.b25 = struct_value () [template]
// CHECK:STDOUT: %int_3.1ba: Core.IntLiteral = int_value 3 [template]
// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %impl_witness.d39: <witness> = impl_witness (imports.%import_ref.a5b), @impl.1(%int_32) [template]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [template]
// CHECK:STDOUT: %Convert.bound.b30: <bound method> = bound_method %int_3.1ba, %Convert.956 [template]
// CHECK:STDOUT: %Convert.specific_fn.b42: <specific function> = specific_function %Convert.bound.b30, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_3.822: %i32 = int_value 3 [template]
// CHECK:STDOUT: %struct_type.m2.m1.68c: type = struct_type {.m2: %i32, .m1: %i32} [template]
// CHECK:STDOUT: %int_5.64b: Core.IntLiteral = int_value 5 [template]
// CHECK:STDOUT: %struct_type.m2.m1.5f2: type = struct_type {.m2: Core.IntLiteral, .m1: Core.IntLiteral} [template]
// CHECK:STDOUT: %Convert.bound.4e6: <bound method> = bound_method %int_5.64b, %Convert.956 [template]
// CHECK:STDOUT: %Convert.specific_fn.ba9: <specific function> = specific_function %Convert.bound.4e6, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_5.0f6: %i32 = int_value 5 [template]
// CHECK:STDOUT: %int_4.0c1: Core.IntLiteral = int_value 4 [template]
// CHECK:STDOUT: %Convert.bound.ac3: <bound method> = bound_method %int_4.0c1, %Convert.956 [template]
// CHECK:STDOUT: %Convert.specific_fn.450: <specific function> = specific_function %Convert.bound.ac3, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_4.940: %i32 = int_value 4 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.485
// CHECK:STDOUT: .ImplicitAs = %import_ref.d44
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
// CHECK:STDOUT: %F.decl: %F.type.b25 = fn_decl @F.2 [template = constants.%F.c41] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %.loc5: %Base.elem = field_decl m1, element1 [template]
// CHECK:STDOUT: %.loc6: %Base.elem = field_decl m2, element2 [template]
// CHECK:STDOUT: %F.decl: %F.type.7c6 = fn_decl @F.1 [template = constants.%F.d17] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr.m1.m2 [template = constants.%complete_type.cf7]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: .m1 = %.loc5
// CHECK:STDOUT: .m2 = %.loc6
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: virtual fn @F.1();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %i.var: ref %i32 = var i
// CHECK:STDOUT: %i: ref %i32 = bind_name i, %i.var
// CHECK:STDOUT: %int_3.loc12: Core.IntLiteral = int_value 3 [template = constants.%int_3.1ba]
// CHECK:STDOUT: %impl.elem0.loc12: %Convert.type.1b6 = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
// CHECK:STDOUT: %Convert.bound.loc12: <bound method> = bound_method %int_3.loc12, %impl.elem0.loc12 [template = constants.%Convert.bound.b30]
// CHECK:STDOUT: %Convert.specific_fn.loc12: <specific function> = specific_function %Convert.bound.loc12, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b42]
// CHECK:STDOUT: %int.convert_checked.loc12: init %i32 = call %Convert.specific_fn.loc12(%int_3.loc12) [template = constants.%int_3.822]
// CHECK:STDOUT: %.loc12: init %i32 = converted %int_3.loc12, %int.convert_checked.loc12 [template = constants.%int_3.822]
// CHECK:STDOUT: assign %i.var, %.loc12
// CHECK:STDOUT: %b1.var: ref %Base = var b1
// CHECK:STDOUT: %b1: ref %Base = bind_name b1, %b1.var
// CHECK:STDOUT: %i.ref.loc14_25: ref %i32 = name_ref i, %i
// CHECK:STDOUT: %i.ref.loc14_34: ref %i32 = name_ref i, %i
// CHECK:STDOUT: %.loc14_35.1: %struct_type.m2.m1.68c = struct_literal (%i.ref.loc14_25, %i.ref.loc14_34)
// CHECK:STDOUT: %.loc14_35.2: ref %ptr.454 = class_element_access %b1.var, element0
// CHECK:STDOUT: %.loc14_35.3: ref %ptr.454 = vtable_ptr
// CHECK:STDOUT: %.loc14_35.4: init %ptr.454 = initialize_from %.loc14_35.3 to %.loc14_35.2
// CHECK:STDOUT: %.loc14_34: %i32 = bind_value %i.ref.loc14_34
// CHECK:STDOUT: %.loc14_35.5: ref %i32 = class_element_access %b1.var, element2
// CHECK:STDOUT: %.loc14_35.6: init %i32 = initialize_from %.loc14_34 to %.loc14_35.5
// CHECK:STDOUT: %.loc14_25: %i32 = bind_value %i.ref.loc14_25
// CHECK:STDOUT: %.loc14_35.7: ref %i32 = class_element_access %b1.var, element1
// CHECK:STDOUT: %.loc14_35.8: init %i32 = initialize_from %.loc14_25 to %.loc14_35.7
// CHECK:STDOUT: %.loc14_35.9: init %Base = class_init (%.loc14_35.4, %.loc14_35.6, %.loc14_35.8), %b1.var
// CHECK:STDOUT: %.loc14_36: init %Base = converted %.loc14_35.1, %.loc14_35.9
// CHECK:STDOUT: assign %b1.var, %.loc14_36
// CHECK:STDOUT: %b2.var: ref %Base = var b2
// CHECK:STDOUT: %b2: ref %Base = bind_name b2, %b2.var
// CHECK:STDOUT: %int_3.loc15: Core.IntLiteral = int_value 3 [template = constants.%int_3.1ba]
// CHECK:STDOUT: %int_5: Core.IntLiteral = int_value 5 [template = constants.%int_5.64b]
// CHECK:STDOUT: %.loc15_35.1: %struct_type.m2.m1.5f2 = struct_literal (%int_3.loc15, %int_5)
// CHECK:STDOUT: %.loc15_35.2: ref %ptr.454 = class_element_access %b2.var, element0
// CHECK:STDOUT: %.loc15_35.3: ref %ptr.454 = vtable_ptr
// CHECK:STDOUT: %.loc15_35.4: init %ptr.454 = initialize_from %.loc15_35.3 to %.loc15_35.2
// CHECK:STDOUT: %impl.elem0.loc15_35.1: %Convert.type.1b6 = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
// CHECK:STDOUT: %Convert.bound.loc15_35.1: <bound method> = bound_method %int_5, %impl.elem0.loc15_35.1 [template = constants.%Convert.bound.4e6]
// CHECK:STDOUT: %Convert.specific_fn.loc15_35.1: <specific function> = specific_function %Convert.bound.loc15_35.1, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.ba9]
// CHECK:STDOUT: %int.convert_checked.loc15_35.1: init %i32 = call %Convert.specific_fn.loc15_35.1(%int_5) [template = constants.%int_5.0f6]
// CHECK:STDOUT: %.loc15_35.5: init %i32 = converted %int_5, %int.convert_checked.loc15_35.1 [template = constants.%int_5.0f6]
// CHECK:STDOUT: %.loc15_35.6: ref %i32 = class_element_access %b2.var, element2
// CHECK:STDOUT: %.loc15_35.7: init %i32 = initialize_from %.loc15_35.5 to %.loc15_35.6 [template = constants.%int_5.0f6]
// CHECK:STDOUT: %impl.elem0.loc15_35.2: %Convert.type.1b6 = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
// CHECK:STDOUT: %Convert.bound.loc15_35.2: <bound method> = bound_method %int_3.loc15, %impl.elem0.loc15_35.2 [template = constants.%Convert.bound.b30]
// CHECK:STDOUT: %Convert.specific_fn.loc15_35.2: <specific function> = specific_function %Convert.bound.loc15_35.2, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b42]
// CHECK:STDOUT: %int.convert_checked.loc15_35.2: init %i32 = call %Convert.specific_fn.loc15_35.2(%int_3.loc15) [template = constants.%int_3.822]
// CHECK:STDOUT: %.loc15_35.8: init %i32 = converted %int_3.loc15, %int.convert_checked.loc15_35.2 [template = constants.%int_3.822]
// CHECK:STDOUT: %.loc15_35.9: ref %i32 = class_element_access %b2.var, element1
// CHECK:STDOUT: %.loc15_35.10: init %i32 = initialize_from %.loc15_35.8 to %.loc15_35.9 [template = constants.%int_3.822]
// CHECK:STDOUT: %.loc15_35.11: init %Base = class_init (%.loc15_35.4, %.loc15_35.7, %.loc15_35.10), %b2.var
// CHECK:STDOUT: %.loc15_36: init %Base = converted %.loc15_35.1, %.loc15_35.11
// CHECK:STDOUT: assign %b2.var, %.loc15_36
// CHECK:STDOUT: %b1.ref: ref %Base = name_ref b1, %b1
// CHECK:STDOUT: %m2.ref: %Base.elem = name_ref m2, @Base.%.loc6 [template = @Base.%.loc6]
// CHECK:STDOUT: %.loc18_5: ref %i32 = class_element_access %b1.ref, element2
// CHECK:STDOUT: %int_4: Core.IntLiteral = int_value 4 [template = constants.%int_4.0c1]
// CHECK:STDOUT: %impl.elem0.loc18: %Convert.type.1b6 = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
// CHECK:STDOUT: %Convert.bound.loc18: <bound method> = bound_method %int_4, %impl.elem0.loc18 [template = constants.%Convert.bound.ac3]
// CHECK:STDOUT: %Convert.specific_fn.loc18: <specific function> = specific_function %Convert.bound.loc18, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.450]
// CHECK:STDOUT: %int.convert_checked.loc18: init %i32 = call %Convert.specific_fn.loc18(%int_4) [template = constants.%int_4.940]
// CHECK:STDOUT: %.loc18_9: init %i32 = converted %int_4, %int.convert_checked.loc18 [template = constants.%int_4.940]
// CHECK:STDOUT: assign %.loc18_5, %.loc18_9
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_impl_without_base_declaration.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT: %Derived: type = class_type @Derived [template]
// CHECK:STDOUT: %Derived.elem: type = unbound_element_type %Derived, %Base [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %ptr.454: type = ptr_type <vtable> [template]
// CHECK:STDOUT: %struct_type.vptr.base: type = struct_type {.<vptr>: %ptr.454, .base: %Base} [template]
// CHECK:STDOUT: %complete_type.336: <witness> = complete_type_witness %struct_type.vptr.base [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .Derived = %Derived.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
// CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type.357]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Derived {
// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %.loc8: %Derived.elem = base_decl %Base.ref, element1 [template]
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.vptr.base [template = constants.%complete_type.336]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Derived
// CHECK:STDOUT: .base = %.loc8
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: extend %Base.ref
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl fn @F();
// CHECK:STDOUT:
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