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carbon-lang/toolchain/check/testdata/class/adapter/init_adapt.carbon
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Jon Ross-Perkins c5eba90317 Change Destroy to use a CustomWitness instead of a blanket impl (#6512) 
Pursuant to recent decisions on #6124, switch `Destroy` to use a
`CustomWitness` for its implementation. Right now this is manufacturing
no-op implementation functions on each lookup, which obviously isn't
ideal but is intended as a first pass. I'm mostly trying to find the
right balance between updating the approach to reflect new decisions,
while still breaking apart work in a way.

The `CoreInterface` logic is intended to build on `CoreIdentifier`
support. We have a number of additional interfaces that require
specialized logic, and that'll extend pretty far with C++ interop, so it
seemed easiest to have a generic function for it. That's what's
replacing the logic inside C++ interop that was doing string comparisons
(which could have already been moved to `CoreIdentifier`, I just missed
it in my first pass).

This adds `CustomWitness` support because the `Destroy` witnesses can be
imported cross-file. `CustomWitness` was previously only used for C++
types, which don't yet support import, which is why that wasn't
previously an issue. The addition of `query_specific_interface_id` is
similarly needed in order to get correct sorting of witness blocks when
imported.

This PR also removes builtin constraint logic (note this is in a
separate commit to help review; it's not a separate PR because it's
difficult to split apart without tests breaking). This had been made
generic with the expectation that destroy, copy, move, and conversions
would all need related support. Under the new decision, we are not going
to do blanket impls and will instead just manufacture a `CustomWitness`
for everything.

A lot of SemIR fingerprints change, but that's probably because the
addition of `Destroy` on core classes is yielding structural changes.
2025-12-19 18:36:06 +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/int.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/class/adapter/init_adapt.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/adapter/init_adapt.carbon
// --- init_adapt.carbon
library "[[@TEST_NAME]]";
class C {
var a: i32;
var b: i32;
}
class AdaptC {
adapt C;
}
let a: C = {.a = 1, .b = 2};
let b: AdaptC = a as AdaptC;
let c: C = b as C;
fn MakeC() -> C;
fn MakeAdaptC() -> AdaptC;
var d: AdaptC = MakeC() as AdaptC;
var e: C = MakeAdaptC() as C;
// --- fail_not_implicit.carbon
library "[[@TEST_NAME]]";
class C {
var a: i32;
var b: i32;
}
class AdaptC {
adapt C;
}
let a: C = {.a = 1, .b = 2};
// Cannot implicitly convert between a type and an adapter for the type.
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+7]]:17: error: cannot implicitly convert expression of type `C` to `AdaptC` [ConversionFailure]
// CHECK:STDERR: let b: AdaptC = a;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+4]]:17: note: type `C` does not implement interface `Core.ImplicitAs(AdaptC)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: let b: AdaptC = a;
// CHECK:STDERR: ^
// CHECK:STDERR:
let b: AdaptC = a;
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+7]]:12: error: cannot implicitly convert expression of type `AdaptC` to `C` [ConversionFailure]
// CHECK:STDERR: let c: C = b;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+4]]:12: note: type `AdaptC` does not implement interface `Core.ImplicitAs(C)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: let c: C = b;
// CHECK:STDERR: ^
// CHECK:STDERR:
let c: C = b;
fn MakeC() -> C;
fn MakeAdaptC() -> AdaptC;
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+7]]:1: error: cannot implicitly convert expression of type `C` to `AdaptC` [ConversionFailure]
// CHECK:STDERR: var d: AdaptC = MakeC();
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+4]]:1: note: type `C` does not implement interface `Core.ImplicitAs(AdaptC)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: var d: AdaptC = MakeC();
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
var d: AdaptC = MakeC();
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+7]]:1: error: cannot implicitly convert expression of type `AdaptC` to `C` [ConversionFailure]
// CHECK:STDERR: var e: C = MakeAdaptC();
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_not_implicit.carbon:[[@LINE+4]]:1: note: type `AdaptC` does not implement interface `Core.ImplicitAs(C)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: var e: C = MakeAdaptC();
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
var e: C = MakeAdaptC();
// CHECK:STDOUT: --- init_adapt.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %C.elem: type = unbound_element_type %C, %i32 [concrete]
// CHECK:STDOUT: %struct_type.a.b.501: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: %complete_type.705: <witness> = complete_type_witness %struct_type.a.b.501 [concrete]
// CHECK:STDOUT: %AdaptC: type = class_type @AdaptC [concrete]
// CHECK:STDOUT: %pattern_type.7c7: type = pattern_type %C [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %struct_type.a.b.cfd: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral} [concrete]
// CHECK:STDOUT: %struct: %struct_type.a.b.cfd = struct_value (%int_1.5b8, %int_2.ecc) [concrete]
// CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.6bc: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT: %.863: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
// CHECK:STDOUT: %pattern_type.507: type = pattern_type %AdaptC [concrete]
// CHECK:STDOUT: %MakeC.type: type = fn_type @MakeC [concrete]
// CHECK:STDOUT: %MakeC: %MakeC.type = struct_value () [concrete]
// CHECK:STDOUT: %MakeAdaptC.type: type = fn_type @MakeAdaptC [concrete]
// CHECK:STDOUT: %MakeAdaptC: %MakeAdaptC.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .AdaptC = %AdaptC.decl
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: .b = %b
// CHECK:STDOUT: .c = %c
// CHECK:STDOUT: .MakeC = %MakeC.decl
// CHECK:STDOUT: .MakeAdaptC = %MakeAdaptC.decl
// CHECK:STDOUT: .d = %d
// CHECK:STDOUT: .e = %e
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %AdaptC.decl: type = class_decl @AdaptC [concrete = constants.%AdaptC] {} {}
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.7c7 = value_binding_pattern a [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.ref.loc13: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %impl.elem0.loc13_27.1: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc13_27.1: <bound method> = bound_method @__global_init.%int_1, %impl.elem0.loc13_27.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc13_27.1: <specific function> = specific_function %impl.elem0.loc13_27.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_27.2: <bound method> = bound_method @__global_init.%int_1, %specific_fn.loc13_27.1 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.1: init %i32 = call %bound_method.loc13_27.2(@__global_init.%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc13_27.1: init %i32 = converted @__global_init.%int_1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc13_27.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc13_27.3: ref %i32 = class_element_access %.loc13_27.2, element0
// CHECK:STDOUT: %.loc13_27.4: init %i32 = initialize_from %.loc13_27.1 to %.loc13_27.3 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc13_27.2: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc13_27.3: <bound method> = bound_method @__global_init.%int_2, %impl.elem0.loc13_27.2 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
// CHECK:STDOUT: %specific_fn.loc13_27.2: <specific function> = specific_function %impl.elem0.loc13_27.2, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_27.4: <bound method> = bound_method @__global_init.%int_2, %specific_fn.loc13_27.2 [concrete = constants.%bound_method.646]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.2: init %i32 = call %bound_method.loc13_27.4(@__global_init.%int_2) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc13_27.5: init %i32 = converted @__global_init.%int_2, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.2 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc13_27.6: ref %i32 = class_element_access %.loc13_27.2, element1
// CHECK:STDOUT: %.loc13_27.7: init %i32 = initialize_from %.loc13_27.5 to %.loc13_27.6 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc13_27.8: init %C = class_init (%.loc13_27.4, %.loc13_27.7), %.loc13_27.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc13_27.9: ref %C = temporary %.loc13_27.2, %.loc13_27.8
// CHECK:STDOUT: %.loc13_27.10: ref %C = converted @__global_init.%.loc13, %.loc13_27.9
// CHECK:STDOUT: %.loc13_27.11: %C = acquire_value %.loc13_27.10
// CHECK:STDOUT: %a: %C = value_binding a, %.loc13_27.11
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b.patt: %pattern_type.507 = value_binding_pattern b [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %AdaptC.ref.loc15: type = name_ref AdaptC, %AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %b: %AdaptC = value_binding b, @__global_init.%.loc15_19.2
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: %pattern_type.7c7 = value_binding_pattern c [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.ref.loc17: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %c: %C = value_binding c, @__global_init.%.loc17_14.2
// CHECK:STDOUT: %MakeC.decl: %MakeC.type = fn_decl @MakeC [concrete = constants.%MakeC] {
// CHECK:STDOUT: %return.patt: %pattern_type.7c7 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.7c7 = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %return.param: ref %C = out_param call_param0
// CHECK:STDOUT: %return: ref %C = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %MakeAdaptC.decl: %MakeAdaptC.type = fn_decl @MakeAdaptC [concrete = constants.%MakeAdaptC] {
// CHECK:STDOUT: %return.patt: %pattern_type.507 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.507 = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %AdaptC.ref: type = name_ref AdaptC, file.%AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %return.param: ref %AdaptC = out_param call_param0
// CHECK:STDOUT: %return: ref %AdaptC = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %d.patt: %pattern_type.507 = ref_binding_pattern d [concrete]
// CHECK:STDOUT: %d.var_patt: %pattern_type.507 = var_pattern %d.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %d.var: ref %AdaptC = var %d.var_patt [concrete]
// CHECK:STDOUT: %AdaptC.ref.loc23: type = name_ref AdaptC, %AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %d: ref %AdaptC = ref_binding d, %d.var [concrete = %d.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %e.patt: %pattern_type.7c7 = ref_binding_pattern e [concrete]
// CHECK:STDOUT: %e.var_patt: %pattern_type.7c7 = var_pattern %e.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %e.var: ref %C = var %e.var_patt [concrete]
// CHECK:STDOUT: %C.ref.loc25: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %e: ref %C = ref_binding e, %e.var [concrete = %e.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %int_32.loc5: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc5: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc5: %C.elem = field_decl a, element0 [concrete]
// CHECK:STDOUT: %int_32.loc6: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc6: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc6: %C.elem = field_decl b, element1 [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b.501 [concrete = constants.%complete_type.705]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .a = %.loc5
// CHECK:STDOUT: .b = %.loc6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @AdaptC {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: adapt_decl %C.ref [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b.501 [concrete = constants.%complete_type.705]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%AdaptC
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeC() -> %return.param: %C;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeAdaptC() -> %return.param: %AdaptC;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %.loc13: %struct_type.a.b.cfd = struct_literal (%int_1, %int_2) [concrete = constants.%struct]
// CHECK:STDOUT: %a.ref: %C = name_ref a, file.%a
// CHECK:STDOUT: %AdaptC.ref.loc15: type = name_ref AdaptC, file.%AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %.loc15_19.1: %AdaptC = as_compatible %a.ref
// CHECK:STDOUT: %.loc15_19.2: %AdaptC = converted %a.ref, %.loc15_19.1
// CHECK:STDOUT: %b.ref: %AdaptC = name_ref b, file.%b
// CHECK:STDOUT: %C.ref.loc17: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %.loc17_14.1: %C = as_compatible %b.ref
// CHECK:STDOUT: %.loc17_14.2: %C = converted %b.ref, %.loc17_14.1
// CHECK:STDOUT: %MakeC.ref: %MakeC.type = name_ref MakeC, file.%MakeC.decl [concrete = constants.%MakeC]
// CHECK:STDOUT: %.loc23_1: ref %AdaptC = splice_block file.%d.var [concrete = file.%d.var] {}
// CHECK:STDOUT: %MakeC.call: init %C = call %MakeC.ref() to %.loc23_1
// CHECK:STDOUT: %AdaptC.ref.loc23: type = name_ref AdaptC, file.%AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %.loc23_25.1: init %AdaptC = as_compatible %MakeC.call
// CHECK:STDOUT: %.loc23_25.2: init %AdaptC = converted %MakeC.call, %.loc23_25.1
// CHECK:STDOUT: assign file.%d.var, %.loc23_25.2
// CHECK:STDOUT: %MakeAdaptC.ref: %MakeAdaptC.type = name_ref MakeAdaptC, file.%MakeAdaptC.decl [concrete = constants.%MakeAdaptC]
// CHECK:STDOUT: %.loc25_1: ref %C = splice_block file.%e.var [concrete = file.%e.var] {}
// CHECK:STDOUT: %MakeAdaptC.call: init %AdaptC = call %MakeAdaptC.ref() to %.loc25_1
// CHECK:STDOUT: %C.ref.loc25: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %.loc25_25.1: init %C = as_compatible %MakeAdaptC.call
// CHECK:STDOUT: %.loc25_25.2: init %C = converted %MakeAdaptC.call, %.loc25_25.1
// CHECK:STDOUT: assign file.%e.var, %.loc25_25.2
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_not_implicit.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %C.elem: type = unbound_element_type %C, %i32 [concrete]
// CHECK:STDOUT: %struct_type.a.b.501: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: %complete_type.705: <witness> = complete_type_witness %struct_type.a.b.501 [concrete]
// CHECK:STDOUT: %AdaptC: type = class_type @AdaptC [concrete]
// CHECK:STDOUT: %pattern_type.7c7: type = pattern_type %C [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %struct_type.a.b.cfd: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral} [concrete]
// CHECK:STDOUT: %struct: %struct_type.a.b.cfd = struct_value (%int_1.5b8, %int_2.ecc) [concrete]
// CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.e8c: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.6bc: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.74f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e0d = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.e8c = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.6bc) [concrete]
// CHECK:STDOUT: %.863: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
// CHECK:STDOUT: %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
// CHECK:STDOUT: %pattern_type.507: type = pattern_type %AdaptC [concrete]
// CHECK:STDOUT: %MakeC.type: type = fn_type @MakeC [concrete]
// CHECK:STDOUT: %MakeC: %MakeC.type = struct_value () [concrete]
// CHECK:STDOUT: %MakeAdaptC.type: type = fn_type @MakeAdaptC [concrete]
// CHECK:STDOUT: %MakeAdaptC: %MakeAdaptC.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.42d: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.4e6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.3c2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.74f = impl_witness_table (%Core.import_ref.42d), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .AdaptC = %AdaptC.decl
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: .b = %b
// CHECK:STDOUT: .c = %c
// CHECK:STDOUT: .MakeC = %MakeC.decl
// CHECK:STDOUT: .MakeAdaptC = %MakeAdaptC.decl
// CHECK:STDOUT: .d = %d
// CHECK:STDOUT: .e = %e
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %AdaptC.decl: type = class_decl @AdaptC [concrete = constants.%AdaptC] {} {}
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.7c7 = value_binding_pattern a [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.ref.loc13: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %impl.elem0.loc13_27.1: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc13_27.1: <bound method> = bound_method @__global_init.%int_1, %impl.elem0.loc13_27.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
// CHECK:STDOUT: %specific_fn.loc13_27.1: <specific function> = specific_function %impl.elem0.loc13_27.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_27.2: <bound method> = bound_method @__global_init.%int_1, %specific_fn.loc13_27.1 [concrete = constants.%bound_method.38b]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.1: init %i32 = call %bound_method.loc13_27.2(@__global_init.%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc13_27.1: init %i32 = converted @__global_init.%int_1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc13_27.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc13_27.3: ref %i32 = class_element_access %.loc13_27.2, element0
// CHECK:STDOUT: %.loc13_27.4: init %i32 = initialize_from %.loc13_27.1 to %.loc13_27.3 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc13_27.2: %.863 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
// CHECK:STDOUT: %bound_method.loc13_27.3: <bound method> = bound_method @__global_init.%int_2, %impl.elem0.loc13_27.2 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
// CHECK:STDOUT: %specific_fn.loc13_27.2: <specific function> = specific_function %impl.elem0.loc13_27.2, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_27.4: <bound method> = bound_method @__global_init.%int_2, %specific_fn.loc13_27.2 [concrete = constants.%bound_method.646]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.2: init %i32 = call %bound_method.loc13_27.4(@__global_init.%int_2) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc13_27.5: init %i32 = converted @__global_init.%int_2, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13_27.2 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc13_27.6: ref %i32 = class_element_access %.loc13_27.2, element1
// CHECK:STDOUT: %.loc13_27.7: init %i32 = initialize_from %.loc13_27.5 to %.loc13_27.6 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc13_27.8: init %C = class_init (%.loc13_27.4, %.loc13_27.7), %.loc13_27.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc13_27.9: ref %C = temporary %.loc13_27.2, %.loc13_27.8
// CHECK:STDOUT: %.loc13_27.10: ref %C = converted @__global_init.%.loc13, %.loc13_27.9
// CHECK:STDOUT: %.loc13_27.11: %C = acquire_value %.loc13_27.10
// CHECK:STDOUT: %a: %C = value_binding a, %.loc13_27.11
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b.patt: %pattern_type.507 = value_binding_pattern b [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %AdaptC.ref.loc24: type = name_ref AdaptC, %AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %.loc24: %AdaptC = converted @__global_init.%a.ref, <error> [concrete = <error>]
// CHECK:STDOUT: %b: %AdaptC = value_binding b, <error> [concrete = <error>]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: %pattern_type.7c7 = value_binding_pattern c [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.ref.loc33: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %.loc33: %C = converted @__global_init.%b.ref, <error> [concrete = <error>]
// CHECK:STDOUT: %c: %C = value_binding c, <error> [concrete = <error>]
// CHECK:STDOUT: %MakeC.decl: %MakeC.type = fn_decl @MakeC [concrete = constants.%MakeC] {
// CHECK:STDOUT: %return.patt: %pattern_type.7c7 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.7c7 = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %return.param: ref %C = out_param call_param0
// CHECK:STDOUT: %return: ref %C = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %MakeAdaptC.decl: %MakeAdaptC.type = fn_decl @MakeAdaptC [concrete = constants.%MakeAdaptC] {
// CHECK:STDOUT: %return.patt: %pattern_type.507 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.507 = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %AdaptC.ref: type = name_ref AdaptC, file.%AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %return.param: ref %AdaptC = out_param call_param0
// CHECK:STDOUT: %return: ref %AdaptC = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %d.patt: %pattern_type.507 = ref_binding_pattern d [concrete]
// CHECK:STDOUT: %d.var_patt: %pattern_type.507 = var_pattern %d.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %d.var: ref %AdaptC = var %d.var_patt [concrete]
// CHECK:STDOUT: %AdaptC.ref.loc46: type = name_ref AdaptC, %AdaptC.decl [concrete = constants.%AdaptC]
// CHECK:STDOUT: %d: ref %AdaptC = ref_binding d, %d.var [concrete = %d.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %e.patt: %pattern_type.7c7 = ref_binding_pattern e [concrete]
// CHECK:STDOUT: %e.var_patt: %pattern_type.7c7 = var_pattern %e.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %e.var: ref %C = var %e.var_patt [concrete]
// CHECK:STDOUT: %C.ref.loc55: type = name_ref C, %C.decl [concrete = constants.%C]
// CHECK:STDOUT: %e: ref %C = ref_binding e, %e.var [concrete = %e.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %int_32.loc5: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc5: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc5: %C.elem = field_decl a, element0 [concrete]
// CHECK:STDOUT: %int_32.loc6: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc6: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc6: %C.elem = field_decl b, element1 [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b.501 [concrete = constants.%complete_type.705]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .a = %.loc5
// CHECK:STDOUT: .b = %.loc6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @AdaptC {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: adapt_decl %C.ref [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b.501 [concrete = constants.%complete_type.705]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%AdaptC
// CHECK:STDOUT: .C = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeC() -> %return.param: %C;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeAdaptC() -> %return.param: %AdaptC;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %.loc13: %struct_type.a.b.cfd = struct_literal (%int_1, %int_2) [concrete = constants.%struct]
// CHECK:STDOUT: %a.ref: %C = name_ref a, file.%a
// CHECK:STDOUT: %b.ref: %AdaptC = name_ref b, file.%b [concrete = <error>]
// CHECK:STDOUT: %MakeC.ref: %MakeC.type = name_ref MakeC, file.%MakeC.decl [concrete = constants.%MakeC]
// CHECK:STDOUT: %.loc46_23: ref %C = temporary_storage
// CHECK:STDOUT: %MakeC.call: init %C = call %MakeC.ref() to %.loc46_23
// CHECK:STDOUT: %.loc46_1: %AdaptC = converted %MakeC.call, <error> [concrete = <error>]
// CHECK:STDOUT: assign file.%d.var, <error>
// CHECK:STDOUT: %MakeAdaptC.ref: %MakeAdaptC.type = name_ref MakeAdaptC, file.%MakeAdaptC.decl [concrete = constants.%MakeAdaptC]
// CHECK:STDOUT: %.loc55_23: ref %AdaptC = temporary_storage
// CHECK:STDOUT: %MakeAdaptC.call: init %AdaptC = call %MakeAdaptC.ref() to %.loc55_23
// CHECK:STDOUT: %.loc55_1: %C = converted %MakeAdaptC.call, <error> [concrete = <error>]
// CHECK:STDOUT: assign file.%e.var, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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