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7209ad7c9f4cf7ddd804e2cd11eaf08f396c7d4a
carbon-lang/toolchain/check/testdata/class/generic/member_inline.carbon
T
Jon Ross-PerkinsandGeoff Romer 7209ad7c9f Generate Destroy impls for classes (#5873) 
Although this focused on `Destroy` support, some choices here around
`implicit_type_impls` are because copy/move will likely follow a similar
approach. I'm trying not to predict too much about how we'll structure
those, but I'm putting `Destroy` impl logic in a file that could perhaps
be shared with those. They'd likely be interested in similar things,
e.g. traversing members of types (particularly class, struct literal,
tuple literal).

At present this sets the destroy function as `no_op` which is consistent
with current logic, but has a TODO to correctly define.

Constant importing for functions changes slightly due to some issues I
was having with `GetFunctionType`. zygoloid suggested this approach to
avoid `EvalInst` logic.

Adds a flag for controlling whether to generating these impls. While
this does generation for `class`, as noted above this'll also need to be
done for tuples and struct literals, which would leave the `none.carbon`
min_prelude unable to use any types. Note if destruction *would* occur,
it'll still look up `Core.Destroy` for that and fail, but that's already
true of any test using `none.carbon`. I'm trying to use the flag to see
if we can keep `none.carbon` working mostly-consistently.

I'd tried separating out the flag to #5852, but that got a lot of
pushback over whether the behavior was appropriate. I'm hoping that the
interactions here make it clearer why the particular approach -- the
goal is not to enable advanced testing, or create some new end-user
behavior that we really support, it's just to keep no-prelude tests
functional. The main question raised there was why not just keep
generating `impl T as Core.Destroy` if `fn destroy` is present -- but I
think here it should be apparent that would require additional
complexity, as the generation of `impl T as Core.Destroy` is not
currently conditioned based on the implementation of `fn destroy`. I'd
rather add complexity to this flag only if it's enabling interesting
test functionality.

---------

Co-authored-by: Geoff Romer <gromer@google.com>
2025-08-04 19:39:22 +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/convert.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/generic/member_inline.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/member_inline.carbon
// --- member_inline.carbon
library "member_inline.carbon";
class Class(T:! type) {
fn F(n: T) -> T {
return n;
}
fn G[self: Self]() -> T {
return self.n;
}
var n: T;
}
// --- fail_member_inline.carbon
library "fail_member_inline.carbon";
class C(T:! type) {
fn F() {
// CHECK:STDERR: fail_member_inline.carbon:[[@LINE+4]]:5: error: expression cannot be used as a value [UseOfNonExprAsValue]
// CHECK:STDERR: data;
// CHECK:STDERR: ^~~~
// CHECK:STDERR:
data;
}
var data: {};
}
// CHECK:STDOUT: --- member_inline.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %Class.type: type = generic_class_type @Class [concrete]
// CHECK:STDOUT: %Class.generic: %Class.type = struct_value () [concrete]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic]
// CHECK:STDOUT: %pattern_type.7dc: type = pattern_type %T [symbolic]
// CHECK:STDOUT: %Class.F.type: type = fn_type @Class.F, @Class(%T) [symbolic]
// CHECK:STDOUT: %Class.F: %Class.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %pattern_type.3c1: type = pattern_type %Class [symbolic]
// CHECK:STDOUT: %Class.G.type: type = fn_type @Class.G, @Class(%T) [symbolic]
// CHECK:STDOUT: %Class.G: %Class.G.type = struct_value () [symbolic]
// CHECK:STDOUT: %require_complete.4ae: <witness> = require_complete_type %T [symbolic]
// CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %T [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %pattern_type.f6d: type = pattern_type auto [concrete]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness @Class.%Destroy.impl_witness_table, @Class.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT: %ptr.955: type = ptr_type %Class [symbolic]
// CHECK:STDOUT: %pattern_type.9e0: type = pattern_type %ptr.955 [symbolic]
// CHECK:STDOUT: %Class.as.Destroy.impl.Op.type: type = fn_type @Class.as.Destroy.impl.Op, @Class.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT: %Class.as.Destroy.impl.Op: %Class.as.Destroy.impl.Op.type = struct_value () [symbolic]
// CHECK:STDOUT: %struct_type.n: type = struct_type {.n: %T} [symbolic]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.n [symbolic]
// CHECK:STDOUT: %require_complete.4f8: <witness> = require_complete_type %Class [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: %Class.type = class_decl @Class [concrete = constants.%Class.generic] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.loc4_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_13.1 (constants.%T)]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @Class.as.Destroy.impl(@Class.%T.loc4_13.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness @Class.%Destroy.impl_witness_table, @Class.as.Destroy.impl(%T) [symbolic = %Destroy.impl_witness (constants.%Destroy.impl_witness)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Class.as.Destroy.impl.Op.type: type = fn_type @Class.as.Destroy.impl.Op, @Class.as.Destroy.impl(%T) [symbolic = %Class.as.Destroy.impl.Op.type (constants.%Class.as.Destroy.impl.Op.type)]
// CHECK:STDOUT: %Class.as.Destroy.impl.Op: @Class.as.Destroy.impl.%Class.as.Destroy.impl.Op.type (%Class.as.Destroy.impl.Op.type) = struct_value () [symbolic = %Class.as.Destroy.impl.Op (constants.%Class.as.Destroy.impl.Op)]
// CHECK:STDOUT:
// CHECK:STDOUT: impl: constants.%Class as constants.%Destroy.type {
// CHECK:STDOUT: %Class.as.Destroy.impl.Op.decl: @Class.as.Destroy.impl.%Class.as.Destroy.impl.Op.type (%Class.as.Destroy.impl.Op.type) = fn_decl @Class.as.Destroy.impl.Op [symbolic = @Class.as.Destroy.impl.%Class.as.Destroy.impl.Op (constants.%Class.as.Destroy.impl.Op)] {
// CHECK:STDOUT: %self.patt: @Class.as.Destroy.impl.Op.%pattern_type (%pattern_type.9e0) = binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: @Class.as.Destroy.impl.Op.%pattern_type (%pattern_type.9e0) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %.loc4_23.1: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: @Class.as.Destroy.impl.Op.%ptr (%ptr.955) = value_param call_param0
// CHECK:STDOUT: %.loc4_23.2: type = splice_block %Self.ref [symbolic = %Class (constants.%Class)] {
// CHECK:STDOUT: %.loc4_23.3: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc4_23.3 [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @Class.as.Destroy.impl.Op.%ptr (%ptr.955) = bind_name self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Op = %Class.as.Destroy.impl.Op.decl
// CHECK:STDOUT: witness = @Class.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Class(%T.loc4_13.2: type) {
// CHECK:STDOUT: %T.loc4_13.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_13.1 (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Class.F.type: type = fn_type @Class.F, @Class(%T.loc4_13.1) [symbolic = %Class.F.type (constants.%Class.F.type)]
// CHECK:STDOUT: %Class.F: @Class.%Class.F.type (%Class.F.type) = struct_value () [symbolic = %Class.F (constants.%Class.F)]
// CHECK:STDOUT: %Class.G.type: type = fn_type @Class.G, @Class(%T.loc4_13.1) [symbolic = %Class.G.type (constants.%Class.G.type)]
// CHECK:STDOUT: %Class.G: @Class.%Class.G.type (%Class.G.type) = struct_value () [symbolic = %Class.G (constants.%Class.G)]
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %T.loc4_13.1 [symbolic = %require_complete (constants.%require_complete.4ae)]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T.loc4_13.1) [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %T.loc4_13.1 [symbolic = %Class.elem (constants.%Class.elem)]
// CHECK:STDOUT: %struct_type.n.loc14_1.2: type = struct_type {.n: @Class.%T.loc4_13.1 (%T)} [symbolic = %struct_type.n.loc14_1.2 (constants.%struct_type.n)]
// CHECK:STDOUT: %complete_type.loc14_1.2: <witness> = complete_type_witness %struct_type.n.loc14_1.2 [symbolic = %complete_type.loc14_1.2 (constants.%complete_type)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %Class.F.decl: @Class.%Class.F.type (%Class.F.type) = fn_decl @Class.F [symbolic = @Class.%Class.F (constants.%Class.F)] {
// CHECK:STDOUT: %n.patt: @Class.F.%pattern_type (%pattern_type.7dc) = binding_pattern n [concrete]
// CHECK:STDOUT: %n.param_patt: @Class.F.%pattern_type (%pattern_type.7dc) = value_param_pattern %n.patt, call_param0 [concrete]
// CHECK:STDOUT: %return.patt: @Class.F.%pattern_type (%pattern_type.7dc) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @Class.F.%pattern_type (%pattern_type.7dc) = out_param_pattern %return.patt, call_param1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref.loc5_17: type = name_ref T, @Class.%T.loc4_13.2 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %n.param: @Class.F.%T (%T) = value_param call_param0
// CHECK:STDOUT: %T.ref.loc5_11: type = name_ref T, @Class.%T.loc4_13.2 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %n: @Class.F.%T (%T) = bind_name n, %n.param
// CHECK:STDOUT: %return.param: ref @Class.F.%T (%T) = out_param call_param1
// CHECK:STDOUT: %return: ref @Class.F.%T (%T) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.G.decl: @Class.%Class.G.type (%Class.G.type) = fn_decl @Class.G [symbolic = @Class.%Class.G (constants.%Class.G)] {
// CHECK:STDOUT: %self.patt: @Class.G.%pattern_type.loc9_8 (%pattern_type.3c1) = binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: @Class.G.%pattern_type.loc9_8 (%pattern_type.3c1) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %return.patt: @Class.G.%pattern_type.loc9_22 (%pattern_type.7dc) = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: @Class.G.%pattern_type.loc9_22 (%pattern_type.7dc) = out_param_pattern %return.patt, call_param1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.ref: type = name_ref T, @Class.%T.loc4_13.2 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %self.param: @Class.G.%Class (%Class) = value_param call_param0
// CHECK:STDOUT: %.loc9_14.1: type = splice_block %Self.ref [symbolic = %Class (constants.%Class)] {
// CHECK:STDOUT: %.loc9_14.2: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc9_14.2 [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @Class.G.%Class (%Class) = bind_name self, %self.param
// CHECK:STDOUT: %return.param: ref @Class.G.%T (%T) = out_param call_param1
// CHECK:STDOUT: %return: ref @Class.G.%T (%T) = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc4_13.2 [symbolic = %T.loc4_13.1 (constants.%T)]
// CHECK:STDOUT: %.loc13: @Class.%Class.elem (%Class.elem) = field_decl n, element0 [concrete]
// CHECK:STDOUT: impl_decl @Class.as.Destroy.impl [concrete] {} {}
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (@Class.as.Destroy.impl.%Class.as.Destroy.impl.Op.decl), @Class.as.Destroy.impl [concrete]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table, @Class.as.Destroy.impl(constants.%T) [symbolic = @Class.as.Destroy.impl.%Destroy.impl_witness (constants.%Destroy.impl_witness)]
// CHECK:STDOUT: %struct_type.n.loc14_1.1: type = struct_type {.n: %T} [symbolic = %struct_type.n.loc14_1.2 (constants.%struct_type.n)]
// CHECK:STDOUT: %complete_type.loc14_1.1: <witness> = complete_type_witness %struct_type.n.loc14_1.1 [symbolic = %complete_type.loc14_1.2 (constants.%complete_type)]
// CHECK:STDOUT: complete_type_witness = %complete_type.loc14_1.1
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .T = <poisoned>
// CHECK:STDOUT: .F = %Class.F.decl
// CHECK:STDOUT: .G = %Class.G.decl
// CHECK:STDOUT: .n = %.loc13
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Class.F(@Class.%T.loc4_13.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %T [symbolic = %pattern_type (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %T [symbolic = %require_complete (constants.%require_complete.4ae)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%n.param: @Class.F.%T (%T)) -> @Class.F.%T (%T) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %n.ref: @Class.F.%T (%T) = name_ref n, %n
// CHECK:STDOUT: return %n.ref
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Class.G(@Class.%T.loc4_13.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: %pattern_type.loc9_8: type = pattern_type %Class [symbolic = %pattern_type.loc9_8 (constants.%pattern_type.3c1)]
// CHECK:STDOUT: %pattern_type.loc9_22: type = pattern_type %T [symbolic = %pattern_type.loc9_22 (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete.loc9: <witness> = require_complete_type %Class [symbolic = %require_complete.loc9 (constants.%require_complete.4f8)]
// CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %T [symbolic = %Class.elem (constants.%Class.elem)]
// CHECK:STDOUT: %require_complete.loc10: <witness> = require_complete_type %T [symbolic = %require_complete.loc10 (constants.%require_complete.4ae)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @Class.G.%Class (%Class)) -> @Class.G.%T (%T) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %self.ref: @Class.G.%Class (%Class) = name_ref self, %self
// CHECK:STDOUT: %n.ref: @Class.G.%Class.elem (%Class.elem) = name_ref n, @Class.%.loc13 [concrete = @Class.%.loc13]
// CHECK:STDOUT: %.loc10_16.1: ref @Class.G.%T (%T) = class_element_access %self.ref, element0
// CHECK:STDOUT: %.loc10_16.2: @Class.G.%T (%T) = bind_value %.loc10_16.1
// CHECK:STDOUT: return %.loc10_16.2
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Class.as.Destroy.impl.Op(@Class.%T.loc4_13.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class)]
// CHECK:STDOUT: %ptr: type = ptr_type %Class [symbolic = %ptr (constants.%ptr.955)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr [symbolic = %pattern_type (constants.%pattern_type.9e0)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @Class.as.Destroy.impl.Op.%ptr (%ptr.955)) = "no_op";
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class(constants.%T) {
// CHECK:STDOUT: %T.loc4_13.1 => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Class.F.type => constants.%Class.F.type
// CHECK:STDOUT: %Class.F => constants.%Class.F
// CHECK:STDOUT: %Class.G.type => constants.%Class.G.type
// CHECK:STDOUT: %Class.G => constants.%Class.G
// CHECK:STDOUT: %require_complete => constants.%require_complete.4ae
// CHECK:STDOUT: %Class => constants.%Class
// CHECK:STDOUT: %Class.elem => constants.%Class.elem
// CHECK:STDOUT: %struct_type.n.loc14_1.2 => constants.%struct_type.n
// CHECK:STDOUT: %complete_type.loc14_1.2 => constants.%complete_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class.F(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class.G(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %Class => constants.%Class
// CHECK:STDOUT: %pattern_type.loc9_8 => constants.%pattern_type.3c1
// CHECK:STDOUT: %pattern_type.loc9_22 => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class.as.Destroy.impl(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %Destroy.impl_witness => constants.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Class.as.Destroy.impl.Op(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %Class => constants.%Class
// CHECK:STDOUT: %ptr => constants.%ptr.955
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.9e0
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_member_inline.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %C.type: type = generic_class_type @C [concrete]
// CHECK:STDOUT: %C.generic: %C.type = struct_value () [concrete]
// CHECK:STDOUT: %C: type = class_type @C, @C(%T) [symbolic]
// CHECK:STDOUT: %C.F.type: type = fn_type @C.F, @C(%T) [symbolic]
// CHECK:STDOUT: %C.F: %C.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %C.elem: type = unbound_element_type %C, %empty_struct_type [symbolic]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %pattern_type.f6d: type = pattern_type auto [concrete]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness @C.%Destroy.impl_witness_table, @C.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT: %ptr.7d2: type = ptr_type %C [symbolic]
// CHECK:STDOUT: %pattern_type.1d2: type = pattern_type %ptr.7d2 [symbolic]
// CHECK:STDOUT: %C.as.Destroy.impl.Op.type: type = fn_type @C.as.Destroy.impl.Op, @C.as.Destroy.impl(%T) [symbolic]
// CHECK:STDOUT: %C.as.Destroy.impl.Op: %C.as.Destroy.impl.Op.type = struct_value () [symbolic]
// CHECK:STDOUT: %struct_type.data: type = struct_type {.data: %empty_struct_type} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.data [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// 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: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: %C.type = class_decl @C [concrete = constants.%C.generic] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.loc4_9.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_9.1 (constants.%T)]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic impl @C.as.Destroy.impl(@C.%T.loc4_9.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness @C.%Destroy.impl_witness_table, @C.as.Destroy.impl(%T) [symbolic = %Destroy.impl_witness (constants.%Destroy.impl_witness)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.as.Destroy.impl.Op.type: type = fn_type @C.as.Destroy.impl.Op, @C.as.Destroy.impl(%T) [symbolic = %C.as.Destroy.impl.Op.type (constants.%C.as.Destroy.impl.Op.type)]
// CHECK:STDOUT: %C.as.Destroy.impl.Op: @C.as.Destroy.impl.%C.as.Destroy.impl.Op.type (%C.as.Destroy.impl.Op.type) = struct_value () [symbolic = %C.as.Destroy.impl.Op (constants.%C.as.Destroy.impl.Op)]
// CHECK:STDOUT:
// CHECK:STDOUT: impl: constants.%C as constants.%Destroy.type {
// CHECK:STDOUT: %C.as.Destroy.impl.Op.decl: @C.as.Destroy.impl.%C.as.Destroy.impl.Op.type (%C.as.Destroy.impl.Op.type) = fn_decl @C.as.Destroy.impl.Op [symbolic = @C.as.Destroy.impl.%C.as.Destroy.impl.Op (constants.%C.as.Destroy.impl.Op)] {
// CHECK:STDOUT: %self.patt: @C.as.Destroy.impl.Op.%pattern_type (%pattern_type.1d2) = binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: @C.as.Destroy.impl.Op.%pattern_type (%pattern_type.1d2) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: %.loc4_19.1: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: @C.as.Destroy.impl.Op.%ptr (%ptr.7d2) = value_param call_param0
// CHECK:STDOUT: %.loc4_19.2: type = splice_block %Self.ref [symbolic = %C (constants.%C)] {
// CHECK:STDOUT: %.loc4_19.3: type = specific_constant constants.%C, @C(constants.%T) [symbolic = %C (constants.%C)]
// CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc4_19.3 [symbolic = %C (constants.%C)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @C.as.Destroy.impl.Op.%ptr (%ptr.7d2) = bind_name self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Op = %C.as.Destroy.impl.Op.decl
// CHECK:STDOUT: witness = @C.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @C(%T.loc4_9.2: type) {
// CHECK:STDOUT: %T.loc4_9.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_9.1 (constants.%T)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.F.type: type = fn_type @C.F, @C(%T.loc4_9.1) [symbolic = %C.F.type (constants.%C.F.type)]
// CHECK:STDOUT: %C.F: @C.%C.F.type (%C.F.type) = struct_value () [symbolic = %C.F (constants.%C.F)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%T.loc4_9.1) [symbolic = %C (constants.%C)]
// CHECK:STDOUT: %C.elem: type = unbound_element_type %C, constants.%empty_struct_type [symbolic = %C.elem (constants.%C.elem)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %C.F.decl: @C.%C.F.type (%C.F.type) = fn_decl @C.F [symbolic = @C.%C.F (constants.%C.F)] {} {}
// CHECK:STDOUT: %.loc12_14.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc12_14.2: type = converted %.loc12_14.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: %.loc12_11: @C.%C.elem (%C.elem) = field_decl data, element0 [concrete]
// CHECK:STDOUT: impl_decl @C.as.Destroy.impl [concrete] {} {}
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (@C.as.Destroy.impl.%C.as.Destroy.impl.Op.decl), @C.as.Destroy.impl [concrete]
// CHECK:STDOUT: %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table, @C.as.Destroy.impl(constants.%T) [symbolic = @C.as.Destroy.impl.%Destroy.impl_witness (constants.%Destroy.impl_witness)]
// CHECK:STDOUT: %struct_type.data: type = struct_type {.data: %empty_struct_type} [concrete = constants.%struct_type.data]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.data [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .F = %C.F.decl
// CHECK:STDOUT: .data = %.loc12_11
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.F(@C.%T.loc4_9.2: type) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%T) [symbolic = %C (constants.%C)]
// CHECK:STDOUT: %C.elem: type = unbound_element_type %C, constants.%empty_struct_type [symbolic = %C.elem (constants.%C.elem)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %data.ref: @C.F.%C.elem (%C.elem) = name_ref data, @C.%.loc12_11 [concrete = @C.%.loc12_11]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @C.as.Destroy.impl.Op(@C.%T.loc4_9.2: type) {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
// CHECK:STDOUT: %C: type = class_type @C, @C(%T) [symbolic = %C (constants.%C)]
// CHECK:STDOUT: %ptr: type = ptr_type %C [symbolic = %ptr (constants.%ptr.7d2)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %ptr [symbolic = %pattern_type (constants.%pattern_type.1d2)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @C.as.Destroy.impl.Op.%ptr (%ptr.7d2)) = "no_op";
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C(constants.%T) {
// CHECK:STDOUT: %T.loc4_9.1 => constants.%T
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %C.F.type => constants.%C.F.type
// CHECK:STDOUT: %C.F => constants.%C.F
// CHECK:STDOUT: %C => constants.%C
// CHECK:STDOUT: %C.elem => constants.%C.elem
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.F(constants.%T) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.Destroy.impl(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %Destroy.impl_witness => constants.%Destroy.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @C.as.Destroy.impl.Op(constants.%T) {
// CHECK:STDOUT: %T => constants.%T
// CHECK:STDOUT: %C => constants.%C
// CHECK:STDOUT: %ptr => constants.%ptr.7d2
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.1d2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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