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a74ca9071b8d362a18acf8d10a01dd715c22d033
carbon-lang/toolchain/check/testdata/impl/lookup/alias.carbon
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Richard Smith a74ca9071b Remove all remaining uses of TypeIds as instruction operands. (#5280) 
In preparation for shifting from `TypeId`s potentially representing
attached types to always representing unattached types, using
[terminology suggested on
Discord](https://discord.com/channels/655572317891461132/963846118964350976/1359286326779973712).
This change causes us to track slightly more type spelling information
through SemIR.

One change that has significant impact on the SemIR output is that we
now build a `struct_type` instruction in each class representing the
types of the fields, including the spelling used for those types. This
is now no longer always identical to the corresponding canonical
`struct_type` for the object representation, so it's built separately
and owned by the class.

Also remove `TypeBlock` support entirely, as its only use was
representing `TupleType`s, which now use an `InstBlock`.
2025-04-10 20:53:42 +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/impl/lookup/alias.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/lookup/alias.carbon
interface HasF {
fn F();
}
class C {
alias G = HasF.F;
}
impl C as HasF {
fn F() {}
}
fn G(c: C) {
C.G();
c.G();
}
// CHECK:STDOUT: --- alias.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %HasF.type: type = facet_type <@HasF> [concrete]
// CHECK:STDOUT: %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %F.type.b7b: type = fn_type @F.1 [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %F.f50: %F.type.b7b = struct_value () [concrete]
// CHECK:STDOUT: %HasF.assoc_type: type = assoc_entity_type @HasF [concrete]
// CHECK:STDOUT: %assoc0: %HasF.assoc_type = assoc_entity element0, @HasF.%F.decl [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %impl_witness: <witness> = impl_witness (@impl.%F.decl) [concrete]
// CHECK:STDOUT: %F.type.a02: type = fn_type @F.2 [concrete]
// CHECK:STDOUT: %F.dc7: %F.type.a02 = struct_value () [concrete]
// CHECK:STDOUT: %HasF.facet: %HasF.type = facet_value %C, (%impl_witness) [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %.be1: type = fn_type_with_self_type %F.type.b7b, %HasF.facet [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .HasF = %HasF.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %HasF.decl: type = interface_decl @HasF [concrete = constants.%HasF.type] {} {}
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: impl_decl @impl [concrete] {} {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %impl_witness: <witness> = impl_witness (@impl.%F.decl) [concrete = constants.%impl_witness]
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %c.patt: %C = binding_pattern c
// CHECK:STDOUT: %c.param_patt: %C = value_param_pattern %c.patt, call_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %c.param: %C = value_param call_param0
// CHECK:STDOUT: %C.ref.loc23: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %c: %C = bind_name c, %c.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @HasF {
// CHECK:STDOUT: %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %F.decl: %F.type.b7b = fn_decl @F.1 [concrete = constants.%F.f50] {} {}
// CHECK:STDOUT: %assoc0: %HasF.assoc_type = assoc_entity element0, %F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: %C.ref as %HasF.ref {
// CHECK:STDOUT: %F.decl: %F.type.a02 = fn_decl @F.2 [concrete = constants.%F.dc7] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: witness = file.%impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %HasF.ref: type = name_ref HasF, file.%HasF.decl [concrete = constants.%HasF.type]
// CHECK:STDOUT: %F.ref: %HasF.assoc_type = name_ref F, @HasF.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT: %G: %HasF.assoc_type = bind_alias G, @HasF.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .HasF = <poisoned>
// CHECK:STDOUT: .G = %G
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(@HasF.%Self: %HasF.type) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%c.param_patt: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %C.ref.loc24: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %G.ref.loc24: %HasF.assoc_type = name_ref G, @C.%G [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0.loc24: %.be1 = impl_witness_access constants.%impl_witness, element0 [concrete = constants.%F.dc7]
// CHECK:STDOUT: %F.call.loc24: init %empty_tuple.type = call %impl.elem0.loc24()
// CHECK:STDOUT: %c.ref: %C = name_ref c, %c
// CHECK:STDOUT: %G.ref.loc25: %HasF.assoc_type = name_ref G, @C.%G [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0.loc25: %.be1 = impl_witness_access constants.%impl_witness, element0 [concrete = constants.%F.dc7]
// CHECK:STDOUT: %F.call.loc25: init %empty_tuple.type = call %impl.elem0.loc25()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%HasF.facet) {}
// CHECK:STDOUT:
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