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carbon-lang/toolchain/check/testdata/interface/todo_define_not_default.carbon
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josh11bJosh LRichard Smith
 67f2c9ce26 Add a FacetValue instruction (#4545) 
The new `FacetValue` instruction represents `C as I` for some type `C`
and facet type `I`. It is named `FacetValue` instead of just `Facet` to
parallel the `FacetType` instruction.

This PR uses this instruction represent the facet value `Self` in an
`impl` declaration. This instruction will be used in the future to also
support things like:

* `C as I` where `C` is a class; and
* forming a specific for a generic with a `T:! I` parameter where `T` is
being given a concrete value.

(Here `I` is an interface or other non-`type` facet type.)

Also do some renaming and add some comments to make things a bit more
clear.

* `FacetTypeAccess` -> `FacetAccessType` to clarify this is not access
of a facet type, but access of the type of a facet
* `.facet_id` -> `.facet_value_inst_id` to parallel the `FacetValue`
instruction

`FacetAccessWitness` will be in a future PR.

---------

Co-authored-by: Josh L <josh11b@users.noreply.github.com>
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2024-11-21 22:29:53 +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/interface/todo_define_not_default.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/todo_define_not_default.carbon
interface I {
// TODO: A definition without `default` in an interface should be rejected.
fn F() {}
fn G(a: i32, b: i32) -> i32 = "int.sadd";
// TODO: An associated constant with an initializer without `default` in an
// interface should be rejected.
let T:! type = (i32, i32);
let N:! i32 = 42;
}
// CHECK:STDOUT: --- todo_define_not_default.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %I.type: type = facet_type <@I> [template]
// CHECK:STDOUT: %Self.1: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %.1: type = assoc_entity_type %I.type, %F.type [template]
// CHECK:STDOUT: %.2: %.1 = assoc_entity element0, @I.%F.decl [template]
// CHECK:STDOUT: %.3: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %Int.type: type = fn_type @Int [template]
// CHECK:STDOUT: %Int: %Int.type = struct_value () [template]
// CHECK:STDOUT: %i32: type = int_type signed, %.3 [template]
// CHECK:STDOUT: %G.type: type = fn_type @G [template]
// CHECK:STDOUT: %G: %G.type = struct_value () [template]
// CHECK:STDOUT: %.4: type = assoc_entity_type %I.type, %G.type [template]
// CHECK:STDOUT: %.5: %.4 = assoc_entity element1, @I.%G.decl [template]
// CHECK:STDOUT: %tuple.type.1: type = tuple_type (type, type) [template]
// CHECK:STDOUT: %tuple.type.2: type = tuple_type (%i32, %i32) [template]
// CHECK:STDOUT: %.6: type = assoc_entity_type %I.type, type [template]
// CHECK:STDOUT: %.7: %.6 = assoc_entity element2, @I.%T [template]
// CHECK:STDOUT: %.8: Core.IntLiteral = int_value 42 [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %Convert.type.14: type = fn_type @Convert.2, @impl.1(%.3) [template]
// CHECK:STDOUT: %Convert.14: %Convert.type.14 = struct_value () [template]
// CHECK:STDOUT: %.32: <witness> = interface_witness (%Convert.14) [template]
// CHECK:STDOUT: %.33: <bound method> = bound_method %.8, %Convert.14 [template]
// CHECK:STDOUT: %.34: <specific function> = specific_function %.33, @Convert.2(%.3) [template]
// CHECK:STDOUT: %.35: %i32 = int_value 42 [template]
// CHECK:STDOUT: %.36: type = assoc_entity_type %I.type, %i32 [template]
// CHECK:STDOUT: %.37: %.36 = assoc_entity element3, @I.%N [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.1
// CHECK:STDOUT: .ImplicitAs = %import_ref.2
// 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: .I = %I.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %I.decl: type = interface_decl @I [template = constants.%I.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.1]
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
// CHECK:STDOUT: %.loc13: %.1 = assoc_entity element0, %F.decl [template = constants.%.2]
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT: %a.patt: %i32 = binding_pattern a
// CHECK:STDOUT: %a.param_patt: %i32 = value_param_pattern %a.patt, runtime_param0
// CHECK:STDOUT: %b.patt: %i32 = binding_pattern b
// CHECK:STDOUT: %b.param_patt: %i32 = value_param_pattern %b.patt, runtime_param1
// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param2
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc14_11.1: Core.IntLiteral = int_value 32 [template = constants.%.3]
// CHECK:STDOUT: %int.make_type_signed.loc14_11: init type = call constants.%Int(%.loc14_11.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc14_11.2: type = value_of_initializer %int.make_type_signed.loc14_11 [template = constants.%i32]
// CHECK:STDOUT: %.loc14_11.3: type = converted %int.make_type_signed.loc14_11, %.loc14_11.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc14_19.1: Core.IntLiteral = int_value 32 [template = constants.%.3]
// CHECK:STDOUT: %int.make_type_signed.loc14_19: init type = call constants.%Int(%.loc14_19.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc14_19.2: type = value_of_initializer %int.make_type_signed.loc14_19 [template = constants.%i32]
// CHECK:STDOUT: %.loc14_19.3: type = converted %int.make_type_signed.loc14_19, %.loc14_19.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc14_27.1: Core.IntLiteral = int_value 32 [template = constants.%.3]
// CHECK:STDOUT: %int.make_type_signed.loc14_27: init type = call constants.%Int(%.loc14_27.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc14_27.2: type = value_of_initializer %int.make_type_signed.loc14_27 [template = constants.%i32]
// CHECK:STDOUT: %.loc14_27.3: type = converted %int.make_type_signed.loc14_27, %.loc14_27.2 [template = constants.%i32]
// CHECK:STDOUT: %a.param: %i32 = value_param runtime_param0
// CHECK:STDOUT: %a: %i32 = bind_name a, %a.param
// CHECK:STDOUT: %b.param: %i32 = value_param runtime_param1
// CHECK:STDOUT: %b: %i32 = bind_name b, %b.param
// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param2
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc14: %.4 = assoc_entity element1, %G.decl [template = constants.%.5]
// CHECK:STDOUT: %.loc18_19: Core.IntLiteral = int_value 32 [template = constants.%.3]
// CHECK:STDOUT: %int.make_type_signed.loc18_19: init type = call constants.%Int(%.loc18_19) [template = constants.%i32]
// CHECK:STDOUT: %.loc18_24: Core.IntLiteral = int_value 32 [template = constants.%.3]
// CHECK:STDOUT: %int.make_type_signed.loc18_24: init type = call constants.%Int(%.loc18_24) [template = constants.%i32]
// CHECK:STDOUT: %.loc18_27: %tuple.type.1 = tuple_literal (%int.make_type_signed.loc18_19, %int.make_type_signed.loc18_24)
// CHECK:STDOUT: %.loc18_28.1: type = value_of_initializer %int.make_type_signed.loc18_19 [template = constants.%i32]
// CHECK:STDOUT: %.loc18_28.2: type = converted %int.make_type_signed.loc18_19, %.loc18_28.1 [template = constants.%i32]
// CHECK:STDOUT: %.loc18_28.3: type = value_of_initializer %int.make_type_signed.loc18_24 [template = constants.%i32]
// CHECK:STDOUT: %.loc18_28.4: type = converted %int.make_type_signed.loc18_24, %.loc18_28.3 [template = constants.%i32]
// CHECK:STDOUT: %.loc18_28.5: type = converted %.loc18_27, constants.%tuple.type.2 [template = constants.%tuple.type.2]
// CHECK:STDOUT: %T: type = assoc_const_decl T [template]
// CHECK:STDOUT: %.loc18_28.6: %.6 = assoc_entity element2, %T [template = constants.%.7]
// CHECK:STDOUT: %.loc19_11.1: Core.IntLiteral = int_value 32 [template = constants.%.3]
// CHECK:STDOUT: %int.make_type_signed.loc19: init type = call constants.%Int(%.loc19_11.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc19_11.2: type = value_of_initializer %int.make_type_signed.loc19 [template = constants.%i32]
// CHECK:STDOUT: %.loc19_11.3: type = converted %int.make_type_signed.loc19, %.loc19_11.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc19_17: Core.IntLiteral = int_value 42 [template = constants.%.8]
// CHECK:STDOUT: %.loc19_19.1: %Convert.type.2 = interface_witness_access constants.%.32, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc19_19.2: <bound method> = bound_method %.loc19_17, %.loc19_19.1 [template = constants.%.33]
// CHECK:STDOUT: %.loc19_19.3: <specific function> = specific_function %.loc19_19.2, @Convert.2(constants.%.3) [template = constants.%.34]
// CHECK:STDOUT: %int.convert_checked: init %i32 = call %.loc19_19.3(%.loc19_17) [template = constants.%.35]
// CHECK:STDOUT: %.loc19_19.4: %i32 = value_of_initializer %int.convert_checked [template = constants.%.35]
// CHECK:STDOUT: %.loc19_19.5: %i32 = converted %.loc19_17, %.loc19_19.4 [template = constants.%.35]
// CHECK:STDOUT: %N: %i32 = assoc_const_decl N [template]
// CHECK:STDOUT: %.loc19_19.6: %.36 = assoc_entity element3, %N [template = constants.%.37]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %.loc13
// CHECK:STDOUT: .G = %.loc14
// CHECK:STDOUT: .T = %.loc18_28.6
// CHECK:STDOUT: .N = %.loc19_19.6
// CHECK:STDOUT: witness = (%F.decl, %G.decl, %T, %N)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(@I.%Self: %I.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @G(@I.%Self: %I.type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%a.param_patt: %i32, %b.param_patt: %i32) -> %i32 = "int.sadd";
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%Self.1) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%Self.1) {}
// CHECK:STDOUT:
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