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carbon-lang/toolchain/check/testdata/class/import_base.carbon
T
Richard Smith ce1dd20be2 Refactor member lookup in preparation for adding impl lookup. (#3775)
A couple of minor functional changes here:

- We now always create a `name_ref` for the name referred to by the
right-hand operand of member access. Previously we skipped creating this
instruction if the referenced name was a field, and just created the
field access instruction. This makes our processing of member accesses
and our SemIR representation a bit more uniform.
- We now perform lookup into the type of the left-hand operand if it's
any type with a scope, not just for classes. This means we do lookup
into interface types. However, doing so isn't really useful yet because
it always finds an associated entity that isn't usable by itself. This
changes the diagnostic in
`toolchain/check/testdata/interface/fail_todo_facet_lookup.carbon`.
2024-03-13 23:44:38 +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
// --- a.carbon
library "a" api;
base class Base {
fn F[self: Self]();
fn Unused[self: Self]();
var x: i32;
var unused: i32;
}
class Child {
extend base: Base;
}
// --- b.carbon
library "b" api;
import library "a";
fn Run() {
var a: Child = {.base = {.x = 0, .unused = 1}};
a.x = 2;
a.F();
}
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %.1: type = unbound_element_type Base, i32 [template]
// CHECK:STDOUT: %.2: type = struct_type {.x: i32, .unused: i32} [template]
// CHECK:STDOUT: %Child: type = class_type @Child [template]
// CHECK:STDOUT: %.3: type = ptr_type {.x: i32, .unused: i32} [template]
// CHECK:STDOUT: %.4: type = unbound_element_type Child, Base [template]
// CHECK:STDOUT: %.5: type = struct_type {.base: Base} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Base = %Base.decl
// CHECK:STDOUT: .Child = %Child.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Base.decl: type = class_decl @Base [template = constants.%Base] {}
// CHECK:STDOUT: %Child.decl: type = class_decl @Child [template = constants.%Child] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %F: <function> = fn_decl @F [template] {
// CHECK:STDOUT: %Self.ref.loc5: type = name_ref Self, constants.%Base [template = constants.%Base]
// CHECK:STDOUT: %self.loc5_8.1: Base = param self
// CHECK:STDOUT: %self.loc5_8.2: Base = bind_name self, %self.loc5_8.1
// CHECK:STDOUT: }
// CHECK:STDOUT: %Unused: <function> = fn_decl @Unused [template] {
// CHECK:STDOUT: %Self.ref.loc6: type = name_ref Self, constants.%Base [template = constants.%Base]
// CHECK:STDOUT: %self.loc6_13.1: Base = param self
// CHECK:STDOUT: %self.loc6_13.2: Base = bind_name self, %self.loc6_13.1
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc8: <unbound element of class Base> = field_decl x, element0 [template]
// CHECK:STDOUT: %.loc9: <unbound element of class Base> = field_decl unused, element1 [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Base
// CHECK:STDOUT: .F = %F
// CHECK:STDOUT: .Unused = %Unused
// CHECK:STDOUT: .x = %.loc8
// CHECK:STDOUT: .unused = %.loc9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Child {
// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
// CHECK:STDOUT: %.loc13: <unbound element of class Child> = base_decl Base, element0 [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Child
// CHECK:STDOUT: .base = %.loc13
// CHECK:STDOUT: extend name_scope1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F[@Base.%self.loc5_8.2: Base]();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Unused[@Base.%self.loc6_13.2: Base]();
// CHECK:STDOUT:
// CHECK:STDOUT: --- b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Child: type = class_type @Child [template]
// CHECK:STDOUT: %Base: type = class_type @Base [template]
// CHECK:STDOUT: %.1: type = struct_type {.x: i32, .unused: i32} [template]
// CHECK:STDOUT: %.2: type = unbound_element_type Child, Base [template]
// CHECK:STDOUT: %.3: type = struct_type {.base: Base} [template]
// CHECK:STDOUT: %.4: type = ptr_type {.x: i32, .unused: i32} [template]
// CHECK:STDOUT: %.5: type = struct_type {.base: {.x: i32, .unused: i32}*} [template]
// CHECK:STDOUT: %.6: type = ptr_type {.base: Base} [template]
// CHECK:STDOUT: %.7: i32 = int_literal 0 [template]
// CHECK:STDOUT: %.8: i32 = int_literal 1 [template]
// CHECK:STDOUT: %.9: type = struct_type {.base: {.x: i32, .unused: i32}} [template]
// CHECK:STDOUT: %.10: Base = struct_value (%.7, %.8) [template]
// CHECK:STDOUT: %.11: Child = struct_value (%.10) [template]
// CHECK:STDOUT: %.12: type = unbound_element_type Base, i32 [template]
// CHECK:STDOUT: %.13: i32 = int_literal 2 [template]
// CHECK:STDOUT: %.14: type = tuple_type () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Base = %import_ref.1
// CHECK:STDOUT: .Child = %import_ref.2
// CHECK:STDOUT: .Run = %Run
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.1 = import_ref ir1, inst+1, unused
// CHECK:STDOUT: %import_ref.2: type = import_ref ir1, inst+19, used [template = constants.%Child]
// CHECK:STDOUT: %Run: <function> = fn_decl @Run [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Child {
// CHECK:STDOUT: %import_ref.1 = import_ref ir1, inst+20, unused
// CHECK:STDOUT: %import_ref.2 = import_ref ir1, inst+24, unused
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %import_ref.1
// CHECK:STDOUT: .base = %import_ref.2
// CHECK:STDOUT: extend name_scope1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Base {
// CHECK:STDOUT: %import_ref.1: <function> = import_ref ir1, inst+6, used [template = imports.%F]
// CHECK:STDOUT: %import_ref.2 = import_ref ir1, inst+2, unused
// CHECK:STDOUT: %import_ref.3: <unbound element of class Base> = import_ref ir1, inst+12, used [template = imports.%.1]
// CHECK:STDOUT: %import_ref.4 = import_ref ir1, inst+10, unused
// CHECK:STDOUT: %import_ref.5 = import_ref ir1, inst+15, unused
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %import_ref.1
// CHECK:STDOUT: .Self = %import_ref.2
// CHECK:STDOUT: .x = %import_ref.3
// CHECK:STDOUT: .Unused = %import_ref.4
// CHECK:STDOUT: .unused = %import_ref.5
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Child.decl: invalid = class_decl @Child [template = constants.%Child] {}
// CHECK:STDOUT: %Base.decl: invalid = class_decl @Base [template = constants.%Base] {}
// CHECK:STDOUT: %Child.ref: type = name_ref Child, file.%import_ref.2 [template = constants.%Child]
// CHECK:STDOUT: %a.var: ref Child = var a
// CHECK:STDOUT: %a: ref Child = bind_name a, %a.var
// CHECK:STDOUT: %.loc7_33: i32 = int_literal 0 [template = constants.%.7]
// CHECK:STDOUT: %.loc7_46: i32 = int_literal 1 [template = constants.%.8]
// CHECK:STDOUT: %.loc7_47.1: {.x: i32, .unused: i32} = struct_literal (%.loc7_33, %.loc7_46)
// CHECK:STDOUT: %.loc7_48.1: {.base: {.x: i32, .unused: i32}} = struct_literal (%.loc7_47.1)
// CHECK:STDOUT: %.loc7_48.2: ref Base = class_element_access %a.var, element0
// CHECK:STDOUT: %.loc7_47.2: ref i32 = class_element_access %.loc7_48.2, element0
// CHECK:STDOUT: %.loc7_47.3: init i32 = initialize_from %.loc7_33 to %.loc7_47.2 [template = constants.%.7]
// CHECK:STDOUT: %.loc7_47.4: ref i32 = class_element_access %.loc7_48.2, element1
// CHECK:STDOUT: %.loc7_47.5: init i32 = initialize_from %.loc7_46 to %.loc7_47.4 [template = constants.%.8]
// CHECK:STDOUT: %.loc7_47.6: init Base = class_init (%.loc7_47.3, %.loc7_47.5), %.loc7_48.2 [template = constants.%.10]
// CHECK:STDOUT: %.loc7_47.7: init Base = converted %.loc7_47.1, %.loc7_47.6 [template = constants.%.10]
// CHECK:STDOUT: %.loc7_48.3: init Child = class_init (%.loc7_47.7), %a.var [template = constants.%.11]
// CHECK:STDOUT: %.loc7_48.4: init Child = converted %.loc7_48.1, %.loc7_48.3 [template = constants.%.11]
// CHECK:STDOUT: assign %a.var, %.loc7_48.4
// CHECK:STDOUT: %a.ref.loc8: ref Child = name_ref a, %a
// CHECK:STDOUT: %x.ref: <unbound element of class Base> = name_ref x, @Base.%import_ref.3 [template = imports.%.1]
// CHECK:STDOUT: %.loc8_4.1: ref Base = class_element_access %a.ref.loc8, element0
// CHECK:STDOUT: %.loc8_3: ref Base = converted %a.ref.loc8, %.loc8_4.1
// CHECK:STDOUT: %.loc8_4.2: ref i32 = class_element_access %.loc8_3, element0
// CHECK:STDOUT: %.loc8_9: i32 = int_literal 2 [template = constants.%.13]
// CHECK:STDOUT: assign %.loc8_4.2, %.loc8_9
// CHECK:STDOUT: %a.ref.loc9: ref Child = name_ref a, %a
// CHECK:STDOUT: %F.ref: <function> = name_ref F, @Base.%import_ref.1 [template = imports.%F]
// CHECK:STDOUT: %.loc9_4: <bound method> = bound_method %a.ref.loc9, %F.ref
// CHECK:STDOUT: %.loc9_6.1: ref Base = class_element_access %a.ref.loc9, element0
// CHECK:STDOUT: %.loc9_3.1: ref Base = converted %a.ref.loc9, %.loc9_6.1
// CHECK:STDOUT: %.loc9_3.2: Base = bind_value %.loc9_3.1
// CHECK:STDOUT: %.loc9_6.2: init () = call %.loc9_4(%.loc9_3.2)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F[%self: Base]();
// CHECK:STDOUT: