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carbon-lang/toolchain/check/testdata/impl/import_self.carbon
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Geoff Romer 09710d102f Separate binding insts for refs and values (#6235) 
This resolves a TODO in `expr_info.cpp` by using the inst kind rather
than the bound value to track the binding's category.

Since we're churning all the `bind_name` insts in testdata anyway, I'm
also taking this opportunity to align the inst naming with the design's
terminology, by calling these insts "bindings" (this aspect of the PR is
dependent on #6231 resolving an ambiguity in that terminology). For
consistency we'll need to rename several other insts as well (see the
TODO on `RefBinding`); I'm deferring that to a separate PR to minimize
the review load, but I think those name changes are in-scope for this
review.
2025-10-23 01:46:24 +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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/destroy.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/import_self.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/import_self.carbon
// --- a.carbon
library "[[@TEST_NAME]]";
interface Add {
fn Op[self: Self](other: Self) -> Self;
}
// --- b.carbon
library "[[@TEST_NAME]]";
import library "a";
impl () as Add {
fn Op[self: Self](other: Self) -> Self { return (); }
}
fn F(x: (), y: ()) -> () {
return x.(Add.Op)(y);
}
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Add.type: type = facet_type <@Add> [concrete]
// CHECK:STDOUT: %Self: %Add.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.binding.as_type [symbolic]
// CHECK:STDOUT: %Add.Op.type: type = fn_type @Add.Op [concrete]
// CHECK:STDOUT: %Add.Op: %Add.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %Add.assoc_type: type = assoc_entity_type @Add [concrete]
// CHECK:STDOUT: %assoc0: %Add.assoc_type = assoc_entity element0, @Add.%Add.Op.decl [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: .Add = %Add.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Add.decl: type = interface_decl @Add [concrete = constants.%Add.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Add {
// CHECK:STDOUT: %Self: %Add.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %Add.Op.decl: %Add.Op.type = fn_decl @Add.Op [concrete = constants.%Add.Op] {
// CHECK:STDOUT: %self.patt: @Add.Op.%pattern_type (%pattern_type) = value_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: @Add.Op.%pattern_type (%pattern_type) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %other.patt: @Add.Op.%pattern_type (%pattern_type) = value_binding_pattern other [concrete]
// CHECK:STDOUT: %other.param_patt: @Add.Op.%pattern_type (%pattern_type) = value_param_pattern %other.patt, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: @Add.Op.%pattern_type (%pattern_type) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @Add.Op.%pattern_type (%pattern_type) = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc5_37: %Add.type = name_ref Self, @Add.%Self [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.as_type.loc5_37: type = facet_access_type %Self.ref.loc5_37 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %.loc5_37: type = converted %Self.ref.loc5_37, %Self.as_type.loc5_37 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %self.param: @Add.Op.%Self.binding.as_type (%Self.binding.as_type) = value_param call_param0
// CHECK:STDOUT: %.loc5_15.1: type = splice_block %.loc5_15.2 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)] {
// CHECK:STDOUT: %Self.ref.loc5_15: %Add.type = name_ref Self, @Add.%Self [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.as_type.loc5_15: type = facet_access_type %Self.ref.loc5_15 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %.loc5_15.2: type = converted %Self.ref.loc5_15, %Self.as_type.loc5_15 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @Add.Op.%Self.binding.as_type (%Self.binding.as_type) = value_binding self, %self.param
// CHECK:STDOUT: %other.param: @Add.Op.%Self.binding.as_type (%Self.binding.as_type) = value_param call_param1
// CHECK:STDOUT: %.loc5_28.1: type = splice_block %.loc5_28.2 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)] {
// CHECK:STDOUT: %Self.ref.loc5_28: %Add.type = name_ref Self, @Add.%Self [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.as_type.loc5_28: type = facet_access_type %Self.ref.loc5_28 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %.loc5_28.2: type = converted %Self.ref.loc5_28, %Self.as_type.loc5_28 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %other: @Add.Op.%Self.binding.as_type (%Self.binding.as_type) = value_binding other, %other.param
// CHECK:STDOUT: %return.param: ref @Add.Op.%Self.binding.as_type (%Self.binding.as_type) = out_param call_param2
// CHECK:STDOUT: %return: ref @Add.Op.%Self.binding.as_type (%Self.binding.as_type) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %Add.assoc_type = assoc_entity element0, %Add.Op.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .Op = %assoc0
// CHECK:STDOUT: witness = (%Add.Op.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Add.Op(@Add.%Self: %Add.type) {
// CHECK:STDOUT: %Self: %Add.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.binding.as_type [symbolic = %pattern_type (constants.%pattern_type)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @Add.Op.%Self.binding.as_type (%Self.binding.as_type), %other.param: @Add.Op.%Self.binding.as_type (%Self.binding.as_type)) -> @Add.Op.%Self.binding.as_type (%Self.binding.as_type);
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Add.Op(constants.%Self) {
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %Self.binding.as_type => constants.%Self.binding.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Add.type: type = facet_type <@Add> [concrete]
// CHECK:STDOUT: %Self: %Add.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Add.Op.type: type = fn_type @Add.Op [concrete]
// CHECK:STDOUT: %Add.Op: %Add.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic]
// CHECK:STDOUT: %pattern_type.f29: type = pattern_type %Self.binding.as_type [symbolic]
// CHECK:STDOUT: %Add.impl_witness: <witness> = impl_witness file.%Add.impl_witness_table [concrete]
// CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %empty_tuple.type.as.Add.impl.Op.type: type = fn_type @empty_tuple.type.as.Add.impl.Op [concrete]
// CHECK:STDOUT: %empty_tuple.type.as.Add.impl.Op: %empty_tuple.type.as.Add.impl.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %Add.facet: %Add.type = facet_value %empty_tuple.type, (%Add.impl_witness) [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %Add.assoc_type: type = assoc_entity_type @Add [concrete]
// CHECK:STDOUT: %assoc0: %Add.assoc_type = assoc_entity element0, imports.%Main.import_ref.5a3 [concrete]
// CHECK:STDOUT: %.89b: type = fn_type_with_self_type %Add.Op.type, %Add.facet [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.Add: type = import_ref Main//a, Add, loaded [concrete = constants.%Add.type]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.282 = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.f99: %Add.assoc_type = import_ref Main//a, loc5_41, loaded [concrete = constants.%assoc0]
// CHECK:STDOUT: %Main.Op: %Add.Op.type = import_ref Main//a, Op, loaded [concrete = constants.%Add.Op]
// CHECK:STDOUT: %Main.import_ref.942: %Add.type = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], loaded [symbolic = constants.%Self]
// CHECK:STDOUT: %Main.import_ref.5a3: %Add.Op.type = import_ref Main//a, loc5_41, loaded [concrete = constants.%Add.Op]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Add = imports.%Main.Add
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: impl_decl @empty_tuple.type.as.Add.impl [concrete] {} {
// CHECK:STDOUT: %.loc6_7.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc6_7.2: type = converted %.loc6_7.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %Add.ref: type = name_ref Add, imports.%Main.Add [concrete = constants.%Add.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Add.impl_witness_table = impl_witness_table (@empty_tuple.type.as.Add.impl.%empty_tuple.type.as.Add.impl.Op.decl), @empty_tuple.type.as.Add.impl [concrete]
// CHECK:STDOUT: %Add.impl_witness: <witness> = impl_witness %Add.impl_witness_table [concrete = constants.%Add.impl_witness]
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %x.patt: %pattern_type.cb1 = value_binding_pattern x [concrete]
// CHECK:STDOUT: %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT: %y.patt: %pattern_type.cb1 = value_binding_pattern y [concrete]
// CHECK:STDOUT: %y.param_patt: %pattern_type.cb1 = value_param_pattern %y.patt, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc10_24.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc10_24.2: type = converted %.loc10_24.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %x.param: %empty_tuple.type = value_param call_param0
// CHECK:STDOUT: %.loc10_10.1: type = splice_block %.loc10_10.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc10_10.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc10_10.3: type = converted %.loc10_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: %empty_tuple.type = value_binding x, %x.param
// CHECK:STDOUT: %y.param: %empty_tuple.type = value_param call_param1
// CHECK:STDOUT: %.loc10_17.1: type = splice_block %.loc10_17.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc10_17.2: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc10_17.3: type = converted %.loc10_17.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %y: %empty_tuple.type = value_binding y, %y.param
// CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param2
// CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Add [from "a.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.282
// CHECK:STDOUT: .Op = imports.%Main.import_ref.f99
// CHECK:STDOUT: witness = (imports.%Main.Op)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @empty_tuple.type.as.Add.impl: %.loc6_7.2 as %Add.ref {
// CHECK:STDOUT: %empty_tuple.type.as.Add.impl.Op.decl: %empty_tuple.type.as.Add.impl.Op.type = fn_decl @empty_tuple.type.as.Add.impl.Op [concrete = constants.%empty_tuple.type.as.Add.impl.Op] {
// CHECK:STDOUT: %self.patt: %pattern_type.cb1 = value_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: %pattern_type.cb1 = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %other.patt: %pattern_type.cb1 = value_binding_pattern other [concrete]
// CHECK:STDOUT: %other.param_patt: %pattern_type.cb1 = value_param_pattern %other.patt, call_param1 [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param2 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Self.ref.loc7_37: type = name_ref Self, @empty_tuple.type.as.Add.impl.%.loc6_7.2 [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %self.param: %empty_tuple.type = value_param call_param0
// CHECK:STDOUT: %Self.ref.loc7_15: type = name_ref Self, @empty_tuple.type.as.Add.impl.%.loc6_7.2 [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %self: %empty_tuple.type = value_binding self, %self.param
// CHECK:STDOUT: %other.param: %empty_tuple.type = value_param call_param1
// CHECK:STDOUT: %Self.ref.loc7_28: type = name_ref Self, @empty_tuple.type.as.Add.impl.%.loc6_7.2 [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %other: %empty_tuple.type = value_binding other, %other.param
// CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param2
// CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Op = %empty_tuple.type.as.Add.impl.Op.decl
// CHECK:STDOUT: witness = file.%Add.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Add.Op(imports.%Main.import_ref.942: %Add.type) [from "a.carbon"] {
// CHECK:STDOUT: %Self: %Add.type = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self)]
// CHECK:STDOUT: %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.binding.as_type [symbolic = %pattern_type (constants.%pattern_type.f29)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @empty_tuple.type.as.Add.impl.Op(%self.param: %empty_tuple.type, %other.param: %empty_tuple.type) -> %empty_tuple.type {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7_52.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc7_52.2: init %empty_tuple.type = tuple_init () to %return [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc7_53: init %empty_tuple.type = converted %.loc7_52.1, %.loc7_52.2 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: return %.loc7_53 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%x.param: %empty_tuple.type, %y.param: %empty_tuple.type) -> %empty_tuple.type {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %x.ref: %empty_tuple.type = name_ref x, %x
// CHECK:STDOUT: %Add.ref: type = name_ref Add, imports.%Main.Add [concrete = constants.%Add.type]
// CHECK:STDOUT: %Op.ref: %Add.assoc_type = name_ref Op, imports.%Main.import_ref.f99 [concrete = constants.%assoc0]
// CHECK:STDOUT: %impl.elem0: %.89b = impl_witness_access constants.%Add.impl_witness, element0 [concrete = constants.%empty_tuple.type.as.Add.impl.Op]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %x.ref, %impl.elem0
// CHECK:STDOUT: %y.ref: %empty_tuple.type = name_ref y, %y
// CHECK:STDOUT: %empty_tuple.type.as.Add.impl.Op.call: init %empty_tuple.type = call %bound_method(%x.ref, %y.ref)
// CHECK:STDOUT: return %empty_tuple.type.as.Add.impl.Op.call to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Add.Op(constants.%Self) {
// CHECK:STDOUT: %Self => constants.%Self
// CHECK:STDOUT: %Self.binding.as_type => constants.%Self.binding.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.f29
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Add.Op(constants.%Add.facet) {
// CHECK:STDOUT: %Self => constants.%Add.facet
// CHECK:STDOUT: %Self.binding.as_type => constants.%empty_tuple.type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.cb1
// CHECK:STDOUT: }
// CHECK:STDOUT:
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